1 |
commit: 017dcca4be57c6514a165e84650e101f9273aff9 |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Tue Feb 11 15:35:16 2020 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Tue Feb 11 15:35:16 2020 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=017dcca4 |
7 |
|
8 |
Linux patch 5.4.19 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1018_linux-5.4.19.patch | 15537 ++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 15541 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index a0fadf6..b15a5b3 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -115,6 +115,10 @@ Patch: 1017_linux-5.4.18.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 5.4.18 |
23 |
|
24 |
+Patch: 1018_linux-5.4.19.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 5.4.19 |
27 |
+ |
28 |
Patch: 1500_XATTR_USER_PREFIX.patch |
29 |
From: https://bugs.gentoo.org/show_bug.cgi?id=470644 |
30 |
Desc: Support for namespace user.pax.* on tmpfs. |
31 |
|
32 |
diff --git a/1018_linux-5.4.19.patch b/1018_linux-5.4.19.patch |
33 |
new file mode 100644 |
34 |
index 0000000..a769bba |
35 |
--- /dev/null |
36 |
+++ b/1018_linux-5.4.19.patch |
37 |
@@ -0,0 +1,15537 @@ |
38 |
+diff --git a/MAINTAINERS b/MAINTAINERS |
39 |
+index 4f7ac27d8651..d1aeebb59e6a 100644 |
40 |
+--- a/MAINTAINERS |
41 |
++++ b/MAINTAINERS |
42 |
+@@ -8704,8 +8704,10 @@ L: isdn4linux@×××××××××××××××××××.de (subscribers-only) |
43 |
+ L: netdev@×××××××××××.org |
44 |
+ W: http://www.isdn4linux.de |
45 |
+ S: Maintained |
46 |
+-F: drivers/isdn/mISDN |
47 |
+-F: drivers/isdn/hardware |
48 |
++F: drivers/isdn/mISDN/ |
49 |
++F: drivers/isdn/hardware/ |
50 |
++F: drivers/isdn/Kconfig |
51 |
++F: drivers/isdn/Makefile |
52 |
+ |
53 |
+ ISDN/CAPI SUBSYSTEM |
54 |
+ M: Karsten Keil <isdn@×××××××××××.de> |
55 |
+diff --git a/Makefile b/Makefile |
56 |
+index b6c151fd5227..2f55d377f0db 100644 |
57 |
+--- a/Makefile |
58 |
++++ b/Makefile |
59 |
+@@ -1,7 +1,7 @@ |
60 |
+ # SPDX-License-Identifier: GPL-2.0 |
61 |
+ VERSION = 5 |
62 |
+ PATCHLEVEL = 4 |
63 |
+-SUBLEVEL = 18 |
64 |
++SUBLEVEL = 19 |
65 |
+ EXTRAVERSION = |
66 |
+ NAME = Kleptomaniac Octopus |
67 |
+ |
68 |
+diff --git a/arch/Kconfig b/arch/Kconfig |
69 |
+index 5f8a5d84dbbe..43102756304c 100644 |
70 |
+--- a/arch/Kconfig |
71 |
++++ b/arch/Kconfig |
72 |
+@@ -396,9 +396,6 @@ config HAVE_ARCH_JUMP_LABEL_RELATIVE |
73 |
+ config HAVE_RCU_TABLE_FREE |
74 |
+ bool |
75 |
+ |
76 |
+-config HAVE_RCU_TABLE_NO_INVALIDATE |
77 |
+- bool |
78 |
+- |
79 |
+ config HAVE_MMU_GATHER_PAGE_SIZE |
80 |
+ bool |
81 |
+ |
82 |
+diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h |
83 |
+index 40002416efec..8e995ec796c8 100644 |
84 |
+--- a/arch/arm/include/asm/kvm_emulate.h |
85 |
++++ b/arch/arm/include/asm/kvm_emulate.h |
86 |
+@@ -14,13 +14,25 @@ |
87 |
+ #include <asm/cputype.h> |
88 |
+ |
89 |
+ /* arm64 compatibility macros */ |
90 |
++#define PSR_AA32_MODE_FIQ FIQ_MODE |
91 |
++#define PSR_AA32_MODE_SVC SVC_MODE |
92 |
+ #define PSR_AA32_MODE_ABT ABT_MODE |
93 |
+ #define PSR_AA32_MODE_UND UND_MODE |
94 |
+ #define PSR_AA32_T_BIT PSR_T_BIT |
95 |
++#define PSR_AA32_F_BIT PSR_F_BIT |
96 |
+ #define PSR_AA32_I_BIT PSR_I_BIT |
97 |
+ #define PSR_AA32_A_BIT PSR_A_BIT |
98 |
+ #define PSR_AA32_E_BIT PSR_E_BIT |
99 |
+ #define PSR_AA32_IT_MASK PSR_IT_MASK |
100 |
++#define PSR_AA32_GE_MASK 0x000f0000 |
101 |
++#define PSR_AA32_DIT_BIT 0x00200000 |
102 |
++#define PSR_AA32_PAN_BIT 0x00400000 |
103 |
++#define PSR_AA32_SSBS_BIT 0x00800000 |
104 |
++#define PSR_AA32_Q_BIT PSR_Q_BIT |
105 |
++#define PSR_AA32_V_BIT PSR_V_BIT |
106 |
++#define PSR_AA32_C_BIT PSR_C_BIT |
107 |
++#define PSR_AA32_Z_BIT PSR_Z_BIT |
108 |
++#define PSR_AA32_N_BIT PSR_N_BIT |
109 |
+ |
110 |
+ unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num); |
111 |
+ |
112 |
+@@ -41,6 +53,11 @@ static inline void vcpu_write_spsr(struct kvm_vcpu *vcpu, unsigned long v) |
113 |
+ *__vcpu_spsr(vcpu) = v; |
114 |
+ } |
115 |
+ |
116 |
++static inline unsigned long host_spsr_to_spsr32(unsigned long spsr) |
117 |
++{ |
118 |
++ return spsr; |
119 |
++} |
120 |
++ |
121 |
+ static inline unsigned long vcpu_get_reg(struct kvm_vcpu *vcpu, |
122 |
+ u8 reg_num) |
123 |
+ { |
124 |
+@@ -177,6 +194,11 @@ static inline bool kvm_vcpu_dabt_issext(struct kvm_vcpu *vcpu) |
125 |
+ return kvm_vcpu_get_hsr(vcpu) & HSR_SSE; |
126 |
+ } |
127 |
+ |
128 |
++static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu) |
129 |
++{ |
130 |
++ return false; |
131 |
++} |
132 |
++ |
133 |
+ static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu) |
134 |
+ { |
135 |
+ return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT; |
136 |
+diff --git a/arch/arm/include/asm/kvm_mmio.h b/arch/arm/include/asm/kvm_mmio.h |
137 |
+index 7c0eddb0adb2..32fbf82e3ebc 100644 |
138 |
+--- a/arch/arm/include/asm/kvm_mmio.h |
139 |
++++ b/arch/arm/include/asm/kvm_mmio.h |
140 |
+@@ -14,6 +14,8 @@ |
141 |
+ struct kvm_decode { |
142 |
+ unsigned long rt; |
143 |
+ bool sign_extend; |
144 |
++ /* Not used on 32-bit arm */ |
145 |
++ bool sixty_four; |
146 |
+ }; |
147 |
+ |
148 |
+ void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data); |
149 |
+diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S |
150 |
+index b408fa56eb89..6922dd8d3e2d 100644 |
151 |
+--- a/arch/arm/mach-tegra/sleep-tegra30.S |
152 |
++++ b/arch/arm/mach-tegra/sleep-tegra30.S |
153 |
+@@ -370,6 +370,14 @@ _pll_m_c_x_done: |
154 |
+ pll_locked r1, r0, CLK_RESET_PLLC_BASE |
155 |
+ pll_locked r1, r0, CLK_RESET_PLLX_BASE |
156 |
+ |
157 |
++ tegra_get_soc_id TEGRA_APB_MISC_BASE, r1 |
158 |
++ cmp r1, #TEGRA30 |
159 |
++ beq 1f |
160 |
++ ldr r1, [r0, #CLK_RESET_PLLP_BASE] |
161 |
++ bic r1, r1, #(1<<31) @ disable PllP bypass |
162 |
++ str r1, [r0, #CLK_RESET_PLLP_BASE] |
163 |
++1: |
164 |
++ |
165 |
+ mov32 r7, TEGRA_TMRUS_BASE |
166 |
+ ldr r1, [r7] |
167 |
+ add r1, r1, #LOCK_DELAY |
168 |
+@@ -630,7 +638,10 @@ tegra30_switch_cpu_to_clk32k: |
169 |
+ str r0, [r4, #PMC_PLLP_WB0_OVERRIDE] |
170 |
+ |
171 |
+ /* disable PLLP, PLLA, PLLC and PLLX */ |
172 |
++ tegra_get_soc_id TEGRA_APB_MISC_BASE, r1 |
173 |
++ cmp r1, #TEGRA30 |
174 |
+ ldr r0, [r5, #CLK_RESET_PLLP_BASE] |
175 |
++ orrne r0, r0, #(1 << 31) @ enable PllP bypass on fast cluster |
176 |
+ bic r0, r0, #(1 << 30) |
177 |
+ str r0, [r5, #CLK_RESET_PLLP_BASE] |
178 |
+ ldr r0, [r5, #CLK_RESET_PLLA_BASE] |
179 |
+diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c |
180 |
+index 7d042d5c43e3..27576c7b836e 100644 |
181 |
+--- a/arch/arm/mm/dma-mapping.c |
182 |
++++ b/arch/arm/mm/dma-mapping.c |
183 |
+@@ -221,7 +221,7 @@ EXPORT_SYMBOL(arm_coherent_dma_ops); |
184 |
+ |
185 |
+ static int __dma_supported(struct device *dev, u64 mask, bool warn) |
186 |
+ { |
187 |
+- unsigned long max_dma_pfn = min(max_pfn, arm_dma_pfn_limit); |
188 |
++ unsigned long max_dma_pfn = min(max_pfn - 1, arm_dma_pfn_limit); |
189 |
+ |
190 |
+ /* |
191 |
+ * Translate the device's DMA mask to a PFN limit. This |
192 |
+diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi |
193 |
+index 501a7330dbc8..522d3ef72df5 100644 |
194 |
+--- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi |
195 |
++++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi |
196 |
+@@ -73,6 +73,7 @@ |
197 |
+ regulator-always-on; |
198 |
+ regulator-boot-on; |
199 |
+ regulator-name = "vdd_apc"; |
200 |
++ regulator-initial-mode = <1>; |
201 |
+ regulator-min-microvolt = <1048000>; |
202 |
+ regulator-max-microvolt = <1384000>; |
203 |
+ }; |
204 |
+diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c |
205 |
+index 70b1469783f9..24bc0a3f26e2 100644 |
206 |
+--- a/arch/arm64/crypto/ghash-ce-glue.c |
207 |
++++ b/arch/arm64/crypto/ghash-ce-glue.c |
208 |
+@@ -261,7 +261,7 @@ static int ghash_setkey(struct crypto_shash *tfm, |
209 |
+ static struct shash_alg ghash_alg[] = {{ |
210 |
+ .base.cra_name = "ghash", |
211 |
+ .base.cra_driver_name = "ghash-neon", |
212 |
+- .base.cra_priority = 100, |
213 |
++ .base.cra_priority = 150, |
214 |
+ .base.cra_blocksize = GHASH_BLOCK_SIZE, |
215 |
+ .base.cra_ctxsize = sizeof(struct ghash_key), |
216 |
+ .base.cra_module = THIS_MODULE, |
217 |
+diff --git a/arch/arm64/include/asm/daifflags.h b/arch/arm64/include/asm/daifflags.h |
218 |
+index 063c964af705..48bfbf70dbb0 100644 |
219 |
+--- a/arch/arm64/include/asm/daifflags.h |
220 |
++++ b/arch/arm64/include/asm/daifflags.h |
221 |
+@@ -36,7 +36,7 @@ static inline void local_daif_mask(void) |
222 |
+ trace_hardirqs_off(); |
223 |
+ } |
224 |
+ |
225 |
+-static inline unsigned long local_daif_save(void) |
226 |
++static inline unsigned long local_daif_save_flags(void) |
227 |
+ { |
228 |
+ unsigned long flags; |
229 |
+ |
230 |
+@@ -48,6 +48,15 @@ static inline unsigned long local_daif_save(void) |
231 |
+ flags |= PSR_I_BIT; |
232 |
+ } |
233 |
+ |
234 |
++ return flags; |
235 |
++} |
236 |
++ |
237 |
++static inline unsigned long local_daif_save(void) |
238 |
++{ |
239 |
++ unsigned long flags; |
240 |
++ |
241 |
++ flags = local_daif_save_flags(); |
242 |
++ |
243 |
+ local_daif_mask(); |
244 |
+ |
245 |
+ return flags; |
246 |
+diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h |
247 |
+index d69c1efc63e7..6ff84f1f3b4c 100644 |
248 |
+--- a/arch/arm64/include/asm/kvm_emulate.h |
249 |
++++ b/arch/arm64/include/asm/kvm_emulate.h |
250 |
+@@ -204,6 +204,38 @@ static inline void vcpu_write_spsr(struct kvm_vcpu *vcpu, unsigned long v) |
251 |
+ vcpu_gp_regs(vcpu)->spsr[KVM_SPSR_EL1] = v; |
252 |
+ } |
253 |
+ |
254 |
++/* |
255 |
++ * The layout of SPSR for an AArch32 state is different when observed from an |
256 |
++ * AArch64 SPSR_ELx or an AArch32 SPSR_*. This function generates the AArch32 |
257 |
++ * view given an AArch64 view. |
258 |
++ * |
259 |
++ * In ARM DDI 0487E.a see: |
260 |
++ * |
261 |
++ * - The AArch64 view (SPSR_EL2) in section C5.2.18, page C5-426 |
262 |
++ * - The AArch32 view (SPSR_abt) in section G8.2.126, page G8-6256 |
263 |
++ * - The AArch32 view (SPSR_und) in section G8.2.132, page G8-6280 |
264 |
++ * |
265 |
++ * Which show the following differences: |
266 |
++ * |
267 |
++ * | Bit | AA64 | AA32 | Notes | |
268 |
++ * +-----+------+------+-----------------------------| |
269 |
++ * | 24 | DIT | J | J is RES0 in ARMv8 | |
270 |
++ * | 21 | SS | DIT | SS doesn't exist in AArch32 | |
271 |
++ * |
272 |
++ * ... and all other bits are (currently) common. |
273 |
++ */ |
274 |
++static inline unsigned long host_spsr_to_spsr32(unsigned long spsr) |
275 |
++{ |
276 |
++ const unsigned long overlap = BIT(24) | BIT(21); |
277 |
++ unsigned long dit = !!(spsr & PSR_AA32_DIT_BIT); |
278 |
++ |
279 |
++ spsr &= ~overlap; |
280 |
++ |
281 |
++ spsr |= dit << 21; |
282 |
++ |
283 |
++ return spsr; |
284 |
++} |
285 |
++ |
286 |
+ static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu) |
287 |
+ { |
288 |
+ u32 mode; |
289 |
+@@ -263,6 +295,11 @@ static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu) |
290 |
+ return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SSE); |
291 |
+ } |
292 |
+ |
293 |
++static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu) |
294 |
++{ |
295 |
++ return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SF); |
296 |
++} |
297 |
++ |
298 |
+ static inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu) |
299 |
+ { |
300 |
+ return (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; |
301 |
+diff --git a/arch/arm64/include/asm/kvm_mmio.h b/arch/arm64/include/asm/kvm_mmio.h |
302 |
+index 02b5c48fd467..b204501a0c39 100644 |
303 |
+--- a/arch/arm64/include/asm/kvm_mmio.h |
304 |
++++ b/arch/arm64/include/asm/kvm_mmio.h |
305 |
+@@ -10,13 +10,11 @@ |
306 |
+ #include <linux/kvm_host.h> |
307 |
+ #include <asm/kvm_arm.h> |
308 |
+ |
309 |
+-/* |
310 |
+- * This is annoying. The mmio code requires this, even if we don't |
311 |
+- * need any decoding. To be fixed. |
312 |
+- */ |
313 |
+ struct kvm_decode { |
314 |
+ unsigned long rt; |
315 |
+ bool sign_extend; |
316 |
++ /* Witdth of the register accessed by the faulting instruction is 64-bits */ |
317 |
++ bool sixty_four; |
318 |
+ }; |
319 |
+ |
320 |
+ void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data); |
321 |
+diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h |
322 |
+index fbebb411ae20..bf57308fcd63 100644 |
323 |
+--- a/arch/arm64/include/asm/ptrace.h |
324 |
++++ b/arch/arm64/include/asm/ptrace.h |
325 |
+@@ -62,6 +62,7 @@ |
326 |
+ #define PSR_AA32_I_BIT 0x00000080 |
327 |
+ #define PSR_AA32_A_BIT 0x00000100 |
328 |
+ #define PSR_AA32_E_BIT 0x00000200 |
329 |
++#define PSR_AA32_PAN_BIT 0x00400000 |
330 |
+ #define PSR_AA32_SSBS_BIT 0x00800000 |
331 |
+ #define PSR_AA32_DIT_BIT 0x01000000 |
332 |
+ #define PSR_AA32_Q_BIT 0x08000000 |
333 |
+diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h |
334 |
+index 7ed9294e2004..d1bb5b69f1ce 100644 |
335 |
+--- a/arch/arm64/include/uapi/asm/ptrace.h |
336 |
++++ b/arch/arm64/include/uapi/asm/ptrace.h |
337 |
+@@ -49,6 +49,7 @@ |
338 |
+ #define PSR_SSBS_BIT 0x00001000 |
339 |
+ #define PSR_PAN_BIT 0x00400000 |
340 |
+ #define PSR_UAO_BIT 0x00800000 |
341 |
++#define PSR_DIT_BIT 0x01000000 |
342 |
+ #define PSR_V_BIT 0x10000000 |
343 |
+ #define PSR_C_BIT 0x20000000 |
344 |
+ #define PSR_Z_BIT 0x40000000 |
345 |
+diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c |
346 |
+index 3a58e9db5cfe..a100483b47c4 100644 |
347 |
+--- a/arch/arm64/kernel/acpi.c |
348 |
++++ b/arch/arm64/kernel/acpi.c |
349 |
+@@ -274,7 +274,7 @@ int apei_claim_sea(struct pt_regs *regs) |
350 |
+ if (!IS_ENABLED(CONFIG_ACPI_APEI_GHES)) |
351 |
+ return err; |
352 |
+ |
353 |
+- current_flags = arch_local_save_flags(); |
354 |
++ current_flags = local_daif_save_flags(); |
355 |
+ |
356 |
+ /* |
357 |
+ * SEA can interrupt SError, mask it and describe this as an NMI so |
358 |
+diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c |
359 |
+index a9d25a305af5..a364a4ad5479 100644 |
360 |
+--- a/arch/arm64/kvm/inject_fault.c |
361 |
++++ b/arch/arm64/kvm/inject_fault.c |
362 |
+@@ -14,9 +14,6 @@ |
363 |
+ #include <asm/kvm_emulate.h> |
364 |
+ #include <asm/esr.h> |
365 |
+ |
366 |
+-#define PSTATE_FAULT_BITS_64 (PSR_MODE_EL1h | PSR_A_BIT | PSR_F_BIT | \ |
367 |
+- PSR_I_BIT | PSR_D_BIT) |
368 |
+- |
369 |
+ #define CURRENT_EL_SP_EL0_VECTOR 0x0 |
370 |
+ #define CURRENT_EL_SP_ELx_VECTOR 0x200 |
371 |
+ #define LOWER_EL_AArch64_VECTOR 0x400 |
372 |
+@@ -50,6 +47,69 @@ static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type) |
373 |
+ return vcpu_read_sys_reg(vcpu, VBAR_EL1) + exc_offset + type; |
374 |
+ } |
375 |
+ |
376 |
++/* |
377 |
++ * When an exception is taken, most PSTATE fields are left unchanged in the |
378 |
++ * handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all |
379 |
++ * of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx |
380 |
++ * layouts, so we don't need to shuffle these for exceptions from AArch32 EL0. |
381 |
++ * |
382 |
++ * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429. |
383 |
++ * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426. |
384 |
++ * |
385 |
++ * Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from |
386 |
++ * MSB to LSB. |
387 |
++ */ |
388 |
++static unsigned long get_except64_pstate(struct kvm_vcpu *vcpu) |
389 |
++{ |
390 |
++ unsigned long sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1); |
391 |
++ unsigned long old, new; |
392 |
++ |
393 |
++ old = *vcpu_cpsr(vcpu); |
394 |
++ new = 0; |
395 |
++ |
396 |
++ new |= (old & PSR_N_BIT); |
397 |
++ new |= (old & PSR_Z_BIT); |
398 |
++ new |= (old & PSR_C_BIT); |
399 |
++ new |= (old & PSR_V_BIT); |
400 |
++ |
401 |
++ // TODO: TCO (if/when ARMv8.5-MemTag is exposed to guests) |
402 |
++ |
403 |
++ new |= (old & PSR_DIT_BIT); |
404 |
++ |
405 |
++ // PSTATE.UAO is set to zero upon any exception to AArch64 |
406 |
++ // See ARM DDI 0487E.a, page D5-2579. |
407 |
++ |
408 |
++ // PSTATE.PAN is unchanged unless SCTLR_ELx.SPAN == 0b0 |
409 |
++ // SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented |
410 |
++ // See ARM DDI 0487E.a, page D5-2578. |
411 |
++ new |= (old & PSR_PAN_BIT); |
412 |
++ if (!(sctlr & SCTLR_EL1_SPAN)) |
413 |
++ new |= PSR_PAN_BIT; |
414 |
++ |
415 |
++ // PSTATE.SS is set to zero upon any exception to AArch64 |
416 |
++ // See ARM DDI 0487E.a, page D2-2452. |
417 |
++ |
418 |
++ // PSTATE.IL is set to zero upon any exception to AArch64 |
419 |
++ // See ARM DDI 0487E.a, page D1-2306. |
420 |
++ |
421 |
++ // PSTATE.SSBS is set to SCTLR_ELx.DSSBS upon any exception to AArch64 |
422 |
++ // See ARM DDI 0487E.a, page D13-3258 |
423 |
++ if (sctlr & SCTLR_ELx_DSSBS) |
424 |
++ new |= PSR_SSBS_BIT; |
425 |
++ |
426 |
++ // PSTATE.BTYPE is set to zero upon any exception to AArch64 |
427 |
++ // See ARM DDI 0487E.a, pages D1-2293 to D1-2294. |
428 |
++ |
429 |
++ new |= PSR_D_BIT; |
430 |
++ new |= PSR_A_BIT; |
431 |
++ new |= PSR_I_BIT; |
432 |
++ new |= PSR_F_BIT; |
433 |
++ |
434 |
++ new |= PSR_MODE_EL1h; |
435 |
++ |
436 |
++ return new; |
437 |
++} |
438 |
++ |
439 |
+ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr) |
440 |
+ { |
441 |
+ unsigned long cpsr = *vcpu_cpsr(vcpu); |
442 |
+@@ -59,7 +119,7 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr |
443 |
+ vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu)); |
444 |
+ *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); |
445 |
+ |
446 |
+- *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; |
447 |
++ *vcpu_cpsr(vcpu) = get_except64_pstate(vcpu); |
448 |
+ vcpu_write_spsr(vcpu, cpsr); |
449 |
+ |
450 |
+ vcpu_write_sys_reg(vcpu, addr, FAR_EL1); |
451 |
+@@ -94,7 +154,7 @@ static void inject_undef64(struct kvm_vcpu *vcpu) |
452 |
+ vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu)); |
453 |
+ *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); |
454 |
+ |
455 |
+- *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; |
456 |
++ *vcpu_cpsr(vcpu) = get_except64_pstate(vcpu); |
457 |
+ vcpu_write_spsr(vcpu, cpsr); |
458 |
+ |
459 |
+ /* |
460 |
+diff --git a/arch/mips/Makefile.postlink b/arch/mips/Makefile.postlink |
461 |
+index 4eea4188cb20..13e0beb9eee3 100644 |
462 |
+--- a/arch/mips/Makefile.postlink |
463 |
++++ b/arch/mips/Makefile.postlink |
464 |
+@@ -12,7 +12,7 @@ __archpost: |
465 |
+ include scripts/Kbuild.include |
466 |
+ |
467 |
+ CMD_RELOCS = arch/mips/boot/tools/relocs |
468 |
+-quiet_cmd_relocs = RELOCS $@ |
469 |
++quiet_cmd_relocs = RELOCS $@ |
470 |
+ cmd_relocs = $(CMD_RELOCS) $@ |
471 |
+ |
472 |
+ # `@true` prevents complaint when there is nothing to be done |
473 |
+diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile |
474 |
+index 528bd73d530a..4ed45ade32a1 100644 |
475 |
+--- a/arch/mips/boot/Makefile |
476 |
++++ b/arch/mips/boot/Makefile |
477 |
+@@ -123,7 +123,7 @@ $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS |
478 |
+ targets += vmlinux.its |
479 |
+ targets += vmlinux.gz.its |
480 |
+ targets += vmlinux.bz2.its |
481 |
+-targets += vmlinux.lzmo.its |
482 |
++targets += vmlinux.lzma.its |
483 |
+ targets += vmlinux.lzo.its |
484 |
+ |
485 |
+ quiet_cmd_cpp_its_S = ITS $@ |
486 |
+diff --git a/arch/mips/kernel/syscalls/Makefile b/arch/mips/kernel/syscalls/Makefile |
487 |
+index a3d4bec695c6..6efb2f6889a7 100644 |
488 |
+--- a/arch/mips/kernel/syscalls/Makefile |
489 |
++++ b/arch/mips/kernel/syscalls/Makefile |
490 |
+@@ -18,7 +18,7 @@ quiet_cmd_syshdr = SYSHDR $@ |
491 |
+ '$(syshdr_pfx_$(basetarget))' \ |
492 |
+ '$(syshdr_offset_$(basetarget))' |
493 |
+ |
494 |
+-quiet_cmd_sysnr = SYSNR $@ |
495 |
++quiet_cmd_sysnr = SYSNR $@ |
496 |
+ cmd_sysnr = $(CONFIG_SHELL) '$(sysnr)' '$<' '$@' \ |
497 |
+ '$(sysnr_abis_$(basetarget))' \ |
498 |
+ '$(sysnr_pfx_$(basetarget))' \ |
499 |
+diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig |
500 |
+index 3e56c9c2f16e..2b1033f13210 100644 |
501 |
+--- a/arch/powerpc/Kconfig |
502 |
++++ b/arch/powerpc/Kconfig |
503 |
+@@ -221,8 +221,7 @@ config PPC |
504 |
+ select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH |
505 |
+ select HAVE_PERF_REGS |
506 |
+ select HAVE_PERF_USER_STACK_DUMP |
507 |
+- select HAVE_RCU_TABLE_FREE if SMP |
508 |
+- select HAVE_RCU_TABLE_NO_INVALIDATE if HAVE_RCU_TABLE_FREE |
509 |
++ select HAVE_RCU_TABLE_FREE |
510 |
+ select HAVE_MMU_GATHER_PAGE_SIZE |
511 |
+ select HAVE_REGS_AND_STACK_ACCESS_API |
512 |
+ select HAVE_RELIABLE_STACKTRACE if PPC_BOOK3S_64 && CPU_LITTLE_ENDIAN |
513 |
+@@ -237,6 +236,7 @@ config PPC |
514 |
+ select NEED_DMA_MAP_STATE if PPC64 || NOT_COHERENT_CACHE |
515 |
+ select NEED_SG_DMA_LENGTH |
516 |
+ select OF |
517 |
++ select OF_DMA_DEFAULT_COHERENT if !NOT_COHERENT_CACHE |
518 |
+ select OF_EARLY_FLATTREE |
519 |
+ select OLD_SIGACTION if PPC32 |
520 |
+ select OLD_SIGSUSPEND |
521 |
+diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c |
522 |
+index 1699e9531552..00c4d843a023 100644 |
523 |
+--- a/arch/powerpc/boot/4xx.c |
524 |
++++ b/arch/powerpc/boot/4xx.c |
525 |
+@@ -228,7 +228,7 @@ void ibm4xx_denali_fixup_memsize(void) |
526 |
+ dpath = 8; /* 64 bits */ |
527 |
+ |
528 |
+ /* get address pins (rows) */ |
529 |
+- val = SDRAM0_READ(DDR0_42); |
530 |
++ val = SDRAM0_READ(DDR0_42); |
531 |
+ |
532 |
+ row = DDR_GET_VAL(val, DDR_APIN, DDR_APIN_SHIFT); |
533 |
+ if (row > max_row) |
534 |
+diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h |
535 |
+index f9dc597b0b86..91c8f1d9bcee 100644 |
536 |
+--- a/arch/powerpc/include/asm/book3s/32/kup.h |
537 |
++++ b/arch/powerpc/include/asm/book3s/32/kup.h |
538 |
+@@ -102,11 +102,13 @@ static inline void kuap_update_sr(u32 sr, u32 addr, u32 end) |
539 |
+ isync(); /* Context sync required after mtsrin() */ |
540 |
+ } |
541 |
+ |
542 |
+-static inline void allow_user_access(void __user *to, const void __user *from, u32 size) |
543 |
++static __always_inline void allow_user_access(void __user *to, const void __user *from, |
544 |
++ u32 size, unsigned long dir) |
545 |
+ { |
546 |
+ u32 addr, end; |
547 |
+ |
548 |
+- if (__builtin_constant_p(to) && to == NULL) |
549 |
++ BUILD_BUG_ON(!__builtin_constant_p(dir)); |
550 |
++ if (!(dir & KUAP_WRITE)) |
551 |
+ return; |
552 |
+ |
553 |
+ addr = (__force u32)to; |
554 |
+@@ -119,11 +121,16 @@ static inline void allow_user_access(void __user *to, const void __user *from, u |
555 |
+ kuap_update_sr(mfsrin(addr) & ~SR_KS, addr, end); /* Clear Ks */ |
556 |
+ } |
557 |
+ |
558 |
+-static inline void prevent_user_access(void __user *to, const void __user *from, u32 size) |
559 |
++static __always_inline void prevent_user_access(void __user *to, const void __user *from, |
560 |
++ u32 size, unsigned long dir) |
561 |
+ { |
562 |
+ u32 addr = (__force u32)to; |
563 |
+ u32 end = min(addr + size, TASK_SIZE); |
564 |
+ |
565 |
++ BUILD_BUG_ON(!__builtin_constant_p(dir)); |
566 |
++ if (!(dir & KUAP_WRITE)) |
567 |
++ return; |
568 |
++ |
569 |
+ if (!addr || addr >= TASK_SIZE || !size) |
570 |
+ return; |
571 |
+ |
572 |
+@@ -131,12 +138,17 @@ static inline void prevent_user_access(void __user *to, const void __user *from, |
573 |
+ kuap_update_sr(mfsrin(addr) | SR_KS, addr, end); /* set Ks */ |
574 |
+ } |
575 |
+ |
576 |
+-static inline bool bad_kuap_fault(struct pt_regs *regs, bool is_write) |
577 |
++static inline bool |
578 |
++bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) |
579 |
+ { |
580 |
++ unsigned long begin = regs->kuap & 0xf0000000; |
581 |
++ unsigned long end = regs->kuap << 28; |
582 |
++ |
583 |
+ if (!is_write) |
584 |
+ return false; |
585 |
+ |
586 |
+- return WARN(!regs->kuap, "Bug: write fault blocked by segment registers !"); |
587 |
++ return WARN(address < begin || address >= end, |
588 |
++ "Bug: write fault blocked by segment registers !"); |
589 |
+ } |
590 |
+ |
591 |
+ #endif /* CONFIG_PPC_KUAP */ |
592 |
+diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h |
593 |
+index 998317702630..dc5c039eb28e 100644 |
594 |
+--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h |
595 |
++++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h |
596 |
+@@ -49,7 +49,6 @@ static inline void pgtable_free(void *table, unsigned index_size) |
597 |
+ |
598 |
+ #define get_hugepd_cache_index(x) (x) |
599 |
+ |
600 |
+-#ifdef CONFIG_SMP |
601 |
+ static inline void pgtable_free_tlb(struct mmu_gather *tlb, |
602 |
+ void *table, int shift) |
603 |
+ { |
604 |
+@@ -66,13 +65,6 @@ static inline void __tlb_remove_table(void *_table) |
605 |
+ |
606 |
+ pgtable_free(table, shift); |
607 |
+ } |
608 |
+-#else |
609 |
+-static inline void pgtable_free_tlb(struct mmu_gather *tlb, |
610 |
+- void *table, int shift) |
611 |
+-{ |
612 |
+- pgtable_free(table, shift); |
613 |
+-} |
614 |
+-#endif |
615 |
+ |
616 |
+ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, |
617 |
+ unsigned long address) |
618 |
+diff --git a/arch/powerpc/include/asm/book3s/64/kup-radix.h b/arch/powerpc/include/asm/book3s/64/kup-radix.h |
619 |
+index f254de956d6a..c8d1076e0ebb 100644 |
620 |
+--- a/arch/powerpc/include/asm/book3s/64/kup-radix.h |
621 |
++++ b/arch/powerpc/include/asm/book3s/64/kup-radix.h |
622 |
+@@ -77,25 +77,27 @@ static inline void set_kuap(unsigned long value) |
623 |
+ isync(); |
624 |
+ } |
625 |
+ |
626 |
+-static inline void allow_user_access(void __user *to, const void __user *from, |
627 |
+- unsigned long size) |
628 |
++static __always_inline void allow_user_access(void __user *to, const void __user *from, |
629 |
++ unsigned long size, unsigned long dir) |
630 |
+ { |
631 |
+ // This is written so we can resolve to a single case at build time |
632 |
+- if (__builtin_constant_p(to) && to == NULL) |
633 |
++ BUILD_BUG_ON(!__builtin_constant_p(dir)); |
634 |
++ if (dir == KUAP_READ) |
635 |
+ set_kuap(AMR_KUAP_BLOCK_WRITE); |
636 |
+- else if (__builtin_constant_p(from) && from == NULL) |
637 |
++ else if (dir == KUAP_WRITE) |
638 |
+ set_kuap(AMR_KUAP_BLOCK_READ); |
639 |
+ else |
640 |
+ set_kuap(0); |
641 |
+ } |
642 |
+ |
643 |
+ static inline void prevent_user_access(void __user *to, const void __user *from, |
644 |
+- unsigned long size) |
645 |
++ unsigned long size, unsigned long dir) |
646 |
+ { |
647 |
+ set_kuap(AMR_KUAP_BLOCKED); |
648 |
+ } |
649 |
+ |
650 |
+-static inline bool bad_kuap_fault(struct pt_regs *regs, bool is_write) |
651 |
++static inline bool |
652 |
++bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) |
653 |
+ { |
654 |
+ return WARN(mmu_has_feature(MMU_FTR_RADIX_KUAP) && |
655 |
+ (regs->kuap & (is_write ? AMR_KUAP_BLOCK_WRITE : AMR_KUAP_BLOCK_READ)), |
656 |
+diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h |
657 |
+index d5a44912902f..cae9e814593a 100644 |
658 |
+--- a/arch/powerpc/include/asm/book3s/64/pgalloc.h |
659 |
++++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h |
660 |
+@@ -19,9 +19,7 @@ extern struct vmemmap_backing *vmemmap_list; |
661 |
+ extern pmd_t *pmd_fragment_alloc(struct mm_struct *, unsigned long); |
662 |
+ extern void pmd_fragment_free(unsigned long *); |
663 |
+ extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift); |
664 |
+-#ifdef CONFIG_SMP |
665 |
+ extern void __tlb_remove_table(void *_table); |
666 |
+-#endif |
667 |
+ void pte_frag_destroy(void *pte_frag); |
668 |
+ |
669 |
+ static inline pgd_t *radix__pgd_alloc(struct mm_struct *mm) |
670 |
+diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h |
671 |
+index eea28ca679db..bc7d9d06a6d9 100644 |
672 |
+--- a/arch/powerpc/include/asm/futex.h |
673 |
++++ b/arch/powerpc/include/asm/futex.h |
674 |
+@@ -35,7 +35,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval, |
675 |
+ { |
676 |
+ int oldval = 0, ret; |
677 |
+ |
678 |
+- allow_write_to_user(uaddr, sizeof(*uaddr)); |
679 |
++ allow_read_write_user(uaddr, uaddr, sizeof(*uaddr)); |
680 |
+ pagefault_disable(); |
681 |
+ |
682 |
+ switch (op) { |
683 |
+@@ -62,7 +62,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval, |
684 |
+ |
685 |
+ *oval = oldval; |
686 |
+ |
687 |
+- prevent_write_to_user(uaddr, sizeof(*uaddr)); |
688 |
++ prevent_read_write_user(uaddr, uaddr, sizeof(*uaddr)); |
689 |
+ return ret; |
690 |
+ } |
691 |
+ |
692 |
+@@ -76,7 +76,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, |
693 |
+ if (!access_ok(uaddr, sizeof(u32))) |
694 |
+ return -EFAULT; |
695 |
+ |
696 |
+- allow_write_to_user(uaddr, sizeof(*uaddr)); |
697 |
++ allow_read_write_user(uaddr, uaddr, sizeof(*uaddr)); |
698 |
++ |
699 |
+ __asm__ __volatile__ ( |
700 |
+ PPC_ATOMIC_ENTRY_BARRIER |
701 |
+ "1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ |
702 |
+@@ -97,7 +98,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, |
703 |
+ : "cc", "memory"); |
704 |
+ |
705 |
+ *uval = prev; |
706 |
+- prevent_write_to_user(uaddr, sizeof(*uaddr)); |
707 |
++ prevent_read_write_user(uaddr, uaddr, sizeof(*uaddr)); |
708 |
++ |
709 |
+ return ret; |
710 |
+ } |
711 |
+ |
712 |
+diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h |
713 |
+index 5b5e39643a27..94f24928916a 100644 |
714 |
+--- a/arch/powerpc/include/asm/kup.h |
715 |
++++ b/arch/powerpc/include/asm/kup.h |
716 |
+@@ -2,6 +2,10 @@ |
717 |
+ #ifndef _ASM_POWERPC_KUP_H_ |
718 |
+ #define _ASM_POWERPC_KUP_H_ |
719 |
+ |
720 |
++#define KUAP_READ 1 |
721 |
++#define KUAP_WRITE 2 |
722 |
++#define KUAP_READ_WRITE (KUAP_READ | KUAP_WRITE) |
723 |
++ |
724 |
+ #ifdef CONFIG_PPC64 |
725 |
+ #include <asm/book3s/64/kup-radix.h> |
726 |
+ #endif |
727 |
+@@ -42,32 +46,48 @@ void setup_kuap(bool disabled); |
728 |
+ #else |
729 |
+ static inline void setup_kuap(bool disabled) { } |
730 |
+ static inline void allow_user_access(void __user *to, const void __user *from, |
731 |
+- unsigned long size) { } |
732 |
++ unsigned long size, unsigned long dir) { } |
733 |
+ static inline void prevent_user_access(void __user *to, const void __user *from, |
734 |
+- unsigned long size) { } |
735 |
+-static inline bool bad_kuap_fault(struct pt_regs *regs, bool is_write) { return false; } |
736 |
++ unsigned long size, unsigned long dir) { } |
737 |
++static inline bool |
738 |
++bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) |
739 |
++{ |
740 |
++ return false; |
741 |
++} |
742 |
+ #endif /* CONFIG_PPC_KUAP */ |
743 |
+ |
744 |
+ static inline void allow_read_from_user(const void __user *from, unsigned long size) |
745 |
+ { |
746 |
+- allow_user_access(NULL, from, size); |
747 |
++ allow_user_access(NULL, from, size, KUAP_READ); |
748 |
+ } |
749 |
+ |
750 |
+ static inline void allow_write_to_user(void __user *to, unsigned long size) |
751 |
+ { |
752 |
+- allow_user_access(to, NULL, size); |
753 |
++ allow_user_access(to, NULL, size, KUAP_WRITE); |
754 |
++} |
755 |
++ |
756 |
++static inline void allow_read_write_user(void __user *to, const void __user *from, |
757 |
++ unsigned long size) |
758 |
++{ |
759 |
++ allow_user_access(to, from, size, KUAP_READ_WRITE); |
760 |
+ } |
761 |
+ |
762 |
+ static inline void prevent_read_from_user(const void __user *from, unsigned long size) |
763 |
+ { |
764 |
+- prevent_user_access(NULL, from, size); |
765 |
++ prevent_user_access(NULL, from, size, KUAP_READ); |
766 |
+ } |
767 |
+ |
768 |
+ static inline void prevent_write_to_user(void __user *to, unsigned long size) |
769 |
+ { |
770 |
+- prevent_user_access(to, NULL, size); |
771 |
++ prevent_user_access(to, NULL, size, KUAP_WRITE); |
772 |
++} |
773 |
++ |
774 |
++static inline void prevent_read_write_user(void __user *to, const void __user *from, |
775 |
++ unsigned long size) |
776 |
++{ |
777 |
++ prevent_user_access(to, from, size, KUAP_READ_WRITE); |
778 |
+ } |
779 |
+ |
780 |
+ #endif /* !__ASSEMBLY__ */ |
781 |
+ |
782 |
+-#endif /* _ASM_POWERPC_KUP_H_ */ |
783 |
++#endif /* _ASM_POWERPC_KUAP_H_ */ |
784 |
+diff --git a/arch/powerpc/include/asm/nohash/32/kup-8xx.h b/arch/powerpc/include/asm/nohash/32/kup-8xx.h |
785 |
+index 1c3133b5f86a..6fe97465e350 100644 |
786 |
+--- a/arch/powerpc/include/asm/nohash/32/kup-8xx.h |
787 |
++++ b/arch/powerpc/include/asm/nohash/32/kup-8xx.h |
788 |
+@@ -34,18 +34,19 @@ |
789 |
+ #include <asm/reg.h> |
790 |
+ |
791 |
+ static inline void allow_user_access(void __user *to, const void __user *from, |
792 |
+- unsigned long size) |
793 |
++ unsigned long size, unsigned long dir) |
794 |
+ { |
795 |
+ mtspr(SPRN_MD_AP, MD_APG_INIT); |
796 |
+ } |
797 |
+ |
798 |
+ static inline void prevent_user_access(void __user *to, const void __user *from, |
799 |
+- unsigned long size) |
800 |
++ unsigned long size, unsigned long dir) |
801 |
+ { |
802 |
+ mtspr(SPRN_MD_AP, MD_APG_KUAP); |
803 |
+ } |
804 |
+ |
805 |
+-static inline bool bad_kuap_fault(struct pt_regs *regs, bool is_write) |
806 |
++static inline bool |
807 |
++bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) |
808 |
+ { |
809 |
+ return WARN(!((regs->kuap ^ MD_APG_KUAP) & 0xf0000000), |
810 |
+ "Bug: fault blocked by AP register !"); |
811 |
+diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h |
812 |
+index 332b13b4ecdb..29c43665a753 100644 |
813 |
+--- a/arch/powerpc/include/asm/nohash/pgalloc.h |
814 |
++++ b/arch/powerpc/include/asm/nohash/pgalloc.h |
815 |
+@@ -46,7 +46,6 @@ static inline void pgtable_free(void *table, int shift) |
816 |
+ |
817 |
+ #define get_hugepd_cache_index(x) (x) |
818 |
+ |
819 |
+-#ifdef CONFIG_SMP |
820 |
+ static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) |
821 |
+ { |
822 |
+ unsigned long pgf = (unsigned long)table; |
823 |
+@@ -64,13 +63,6 @@ static inline void __tlb_remove_table(void *_table) |
824 |
+ pgtable_free(table, shift); |
825 |
+ } |
826 |
+ |
827 |
+-#else |
828 |
+-static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) |
829 |
+-{ |
830 |
+- pgtable_free(table, shift); |
831 |
+-} |
832 |
+-#endif |
833 |
+- |
834 |
+ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, |
835 |
+ unsigned long address) |
836 |
+ { |
837 |
+diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h |
838 |
+index b2c0be93929d..7f3a8b902325 100644 |
839 |
+--- a/arch/powerpc/include/asm/tlb.h |
840 |
++++ b/arch/powerpc/include/asm/tlb.h |
841 |
+@@ -26,6 +26,17 @@ |
842 |
+ |
843 |
+ #define tlb_flush tlb_flush |
844 |
+ extern void tlb_flush(struct mmu_gather *tlb); |
845 |
++/* |
846 |
++ * book3s: |
847 |
++ * Hash does not use the linux page-tables, so we can avoid |
848 |
++ * the TLB invalidate for page-table freeing, Radix otoh does use the |
849 |
++ * page-tables and needs the TLBI. |
850 |
++ * |
851 |
++ * nohash: |
852 |
++ * We still do TLB invalidate in the __pte_free_tlb routine before we |
853 |
++ * add the page table pages to mmu gather table batch. |
854 |
++ */ |
855 |
++#define tlb_needs_table_invalidate() radix_enabled() |
856 |
+ |
857 |
+ /* Get the generic bits... */ |
858 |
+ #include <asm-generic/tlb.h> |
859 |
+diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h |
860 |
+index c92fe7fe9692..cafad1960e76 100644 |
861 |
+--- a/arch/powerpc/include/asm/uaccess.h |
862 |
++++ b/arch/powerpc/include/asm/uaccess.h |
863 |
+@@ -313,9 +313,9 @@ raw_copy_in_user(void __user *to, const void __user *from, unsigned long n) |
864 |
+ unsigned long ret; |
865 |
+ |
866 |
+ barrier_nospec(); |
867 |
+- allow_user_access(to, from, n); |
868 |
++ allow_read_write_user(to, from, n); |
869 |
+ ret = __copy_tofrom_user(to, from, n); |
870 |
+- prevent_user_access(to, from, n); |
871 |
++ prevent_read_write_user(to, from, n); |
872 |
+ return ret; |
873 |
+ } |
874 |
+ #endif /* __powerpc64__ */ |
875 |
+diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S |
876 |
+index d60908ea37fb..59bb4f4ae316 100644 |
877 |
+--- a/arch/powerpc/kernel/entry_32.S |
878 |
++++ b/arch/powerpc/kernel/entry_32.S |
879 |
+@@ -179,7 +179,7 @@ transfer_to_handler: |
880 |
+ 2: /* if from kernel, check interrupted DOZE/NAP mode and |
881 |
+ * check for stack overflow |
882 |
+ */ |
883 |
+- kuap_save_and_lock r11, r12, r9, r2, r0 |
884 |
++ kuap_save_and_lock r11, r12, r9, r2, r6 |
885 |
+ addi r2, r12, -THREAD |
886 |
+ lwz r9,KSP_LIMIT(r12) |
887 |
+ cmplw r1,r9 /* if r1 <= ksp_limit */ |
888 |
+@@ -284,6 +284,7 @@ reenable_mmu: |
889 |
+ rlwinm r9,r9,0,~MSR_EE |
890 |
+ lwz r12,_LINK(r11) /* and return to address in LR */ |
891 |
+ kuap_restore r11, r2, r3, r4, r5 |
892 |
++ lwz r2, GPR2(r11) |
893 |
+ b fast_exception_return |
894 |
+ #endif |
895 |
+ |
896 |
+diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c |
897 |
+index 709cf1fd4cf4..36abbe3c346d 100644 |
898 |
+--- a/arch/powerpc/kvm/book3s_hv.c |
899 |
++++ b/arch/powerpc/kvm/book3s_hv.c |
900 |
+@@ -2354,7 +2354,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_hv(struct kvm *kvm, |
901 |
+ mutex_unlock(&kvm->lock); |
902 |
+ |
903 |
+ if (!vcore) |
904 |
+- goto free_vcpu; |
905 |
++ goto uninit_vcpu; |
906 |
+ |
907 |
+ spin_lock(&vcore->lock); |
908 |
+ ++vcore->num_threads; |
909 |
+@@ -2371,6 +2371,8 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_hv(struct kvm *kvm, |
910 |
+ |
911 |
+ return vcpu; |
912 |
+ |
913 |
++uninit_vcpu: |
914 |
++ kvm_vcpu_uninit(vcpu); |
915 |
+ free_vcpu: |
916 |
+ kmem_cache_free(kvm_vcpu_cache, vcpu); |
917 |
+ out: |
918 |
+diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c |
919 |
+index cc65af8fe6f7..3f6ad3f58628 100644 |
920 |
+--- a/arch/powerpc/kvm/book3s_pr.c |
921 |
++++ b/arch/powerpc/kvm/book3s_pr.c |
922 |
+@@ -1769,10 +1769,12 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm, |
923 |
+ |
924 |
+ err = kvmppc_mmu_init(vcpu); |
925 |
+ if (err < 0) |
926 |
+- goto uninit_vcpu; |
927 |
++ goto free_shared_page; |
928 |
+ |
929 |
+ return vcpu; |
930 |
+ |
931 |
++free_shared_page: |
932 |
++ free_page((unsigned long)vcpu->arch.shared); |
933 |
+ uninit_vcpu: |
934 |
+ kvm_vcpu_uninit(vcpu); |
935 |
+ free_shadow_vcpu: |
936 |
+diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c |
937 |
+index 5a3373e06e60..235d57d6c205 100644 |
938 |
+--- a/arch/powerpc/kvm/book3s_xive_native.c |
939 |
++++ b/arch/powerpc/kvm/book3s_xive_native.c |
940 |
+@@ -638,7 +638,7 @@ static int kvmppc_xive_native_set_queue_config(struct kvmppc_xive *xive, |
941 |
+ srcu_idx = srcu_read_lock(&kvm->srcu); |
942 |
+ gfn = gpa_to_gfn(kvm_eq.qaddr); |
943 |
+ |
944 |
+- page_size = kvm_host_page_size(kvm, gfn); |
945 |
++ page_size = kvm_host_page_size(vcpu, gfn); |
946 |
+ if (1ull << kvm_eq.qshift > page_size) { |
947 |
+ srcu_read_unlock(&kvm->srcu, srcu_idx); |
948 |
+ pr_warn("Incompatible host page size %lx!\n", page_size); |
949 |
+diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c |
950 |
+index 75483b40fcb1..2bf7e1b4fd82 100644 |
951 |
+--- a/arch/powerpc/mm/book3s64/pgtable.c |
952 |
++++ b/arch/powerpc/mm/book3s64/pgtable.c |
953 |
+@@ -378,7 +378,6 @@ static inline void pgtable_free(void *table, int index) |
954 |
+ } |
955 |
+ } |
956 |
+ |
957 |
+-#ifdef CONFIG_SMP |
958 |
+ void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int index) |
959 |
+ { |
960 |
+ unsigned long pgf = (unsigned long)table; |
961 |
+@@ -395,12 +394,6 @@ void __tlb_remove_table(void *_table) |
962 |
+ |
963 |
+ return pgtable_free(table, index); |
964 |
+ } |
965 |
+-#else |
966 |
+-void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int index) |
967 |
+-{ |
968 |
+- return pgtable_free(table, index); |
969 |
+-} |
970 |
+-#endif |
971 |
+ |
972 |
+ #ifdef CONFIG_PROC_FS |
973 |
+ atomic_long_t direct_pages_count[MMU_PAGE_COUNT]; |
974 |
+diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c |
975 |
+index 8432c281de92..9298905cfe74 100644 |
976 |
+--- a/arch/powerpc/mm/fault.c |
977 |
++++ b/arch/powerpc/mm/fault.c |
978 |
+@@ -233,7 +233,7 @@ static bool bad_kernel_fault(struct pt_regs *regs, unsigned long error_code, |
979 |
+ |
980 |
+ // Read/write fault in a valid region (the exception table search passed |
981 |
+ // above), but blocked by KUAP is bad, it can never succeed. |
982 |
+- if (bad_kuap_fault(regs, is_write)) |
983 |
++ if (bad_kuap_fault(regs, address, is_write)) |
984 |
+ return true; |
985 |
+ |
986 |
+ // What's left? Kernel fault on user in well defined regions (extable |
987 |
+diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c |
988 |
+index 2f9ddc29c535..c73205172447 100644 |
989 |
+--- a/arch/powerpc/mm/ptdump/ptdump.c |
990 |
++++ b/arch/powerpc/mm/ptdump/ptdump.c |
991 |
+@@ -173,10 +173,12 @@ static void dump_addr(struct pg_state *st, unsigned long addr) |
992 |
+ |
993 |
+ static void note_prot_wx(struct pg_state *st, unsigned long addr) |
994 |
+ { |
995 |
++ pte_t pte = __pte(st->current_flags); |
996 |
++ |
997 |
+ if (!IS_ENABLED(CONFIG_PPC_DEBUG_WX) || !st->check_wx) |
998 |
+ return; |
999 |
+ |
1000 |
+- if (!((st->current_flags & pgprot_val(PAGE_KERNEL_X)) == pgprot_val(PAGE_KERNEL_X))) |
1001 |
++ if (!pte_write(pte) || !pte_exec(pte)) |
1002 |
+ return; |
1003 |
+ |
1004 |
+ WARN_ONCE(1, "powerpc/mm: Found insecure W+X mapping at address %p/%pS\n", |
1005 |
+diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c |
1006 |
+index 8e700390f3d6..4c3af2e9eb8e 100644 |
1007 |
+--- a/arch/powerpc/platforms/pseries/hotplug-memory.c |
1008 |
++++ b/arch/powerpc/platforms/pseries/hotplug-memory.c |
1009 |
+@@ -360,8 +360,10 @@ static bool lmb_is_removable(struct drmem_lmb *lmb) |
1010 |
+ |
1011 |
+ for (i = 0; i < scns_per_block; i++) { |
1012 |
+ pfn = PFN_DOWN(phys_addr); |
1013 |
+- if (!pfn_present(pfn)) |
1014 |
++ if (!pfn_present(pfn)) { |
1015 |
++ phys_addr += MIN_MEMORY_BLOCK_SIZE; |
1016 |
+ continue; |
1017 |
++ } |
1018 |
+ |
1019 |
+ rc &= is_mem_section_removable(pfn, PAGES_PER_SECTION); |
1020 |
+ phys_addr += MIN_MEMORY_BLOCK_SIZE; |
1021 |
+diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c |
1022 |
+index d83364ebc5c5..8057aafd5f5e 100644 |
1023 |
+--- a/arch/powerpc/xmon/xmon.c |
1024 |
++++ b/arch/powerpc/xmon/xmon.c |
1025 |
+@@ -1894,15 +1894,14 @@ static void dump_300_sprs(void) |
1026 |
+ |
1027 |
+ printf("pidr = %.16lx tidr = %.16lx\n", |
1028 |
+ mfspr(SPRN_PID), mfspr(SPRN_TIDR)); |
1029 |
+- printf("asdr = %.16lx psscr = %.16lx\n", |
1030 |
+- mfspr(SPRN_ASDR), hv ? mfspr(SPRN_PSSCR) |
1031 |
+- : mfspr(SPRN_PSSCR_PR)); |
1032 |
++ printf("psscr = %.16lx\n", |
1033 |
++ hv ? mfspr(SPRN_PSSCR) : mfspr(SPRN_PSSCR_PR)); |
1034 |
+ |
1035 |
+ if (!hv) |
1036 |
+ return; |
1037 |
+ |
1038 |
+- printf("ptcr = %.16lx\n", |
1039 |
+- mfspr(SPRN_PTCR)); |
1040 |
++ printf("ptcr = %.16lx asdr = %.16lx\n", |
1041 |
++ mfspr(SPRN_PTCR), mfspr(SPRN_ASDR)); |
1042 |
+ #endif |
1043 |
+ } |
1044 |
+ |
1045 |
+diff --git a/arch/riscv/net/bpf_jit_comp.c b/arch/riscv/net/bpf_jit_comp.c |
1046 |
+index 7fbf56aab661..e2279fed8f56 100644 |
1047 |
+--- a/arch/riscv/net/bpf_jit_comp.c |
1048 |
++++ b/arch/riscv/net/bpf_jit_comp.c |
1049 |
+@@ -120,6 +120,11 @@ static bool seen_reg(int reg, struct rv_jit_context *ctx) |
1050 |
+ return false; |
1051 |
+ } |
1052 |
+ |
1053 |
++static void mark_fp(struct rv_jit_context *ctx) |
1054 |
++{ |
1055 |
++ __set_bit(RV_CTX_F_SEEN_S5, &ctx->flags); |
1056 |
++} |
1057 |
++ |
1058 |
+ static void mark_call(struct rv_jit_context *ctx) |
1059 |
+ { |
1060 |
+ __set_bit(RV_CTX_F_SEEN_CALL, &ctx->flags); |
1061 |
+@@ -596,7 +601,8 @@ static void __build_epilogue(u8 reg, struct rv_jit_context *ctx) |
1062 |
+ |
1063 |
+ emit(rv_addi(RV_REG_SP, RV_REG_SP, stack_adjust), ctx); |
1064 |
+ /* Set return value. */ |
1065 |
+- emit(rv_addi(RV_REG_A0, RV_REG_A5, 0), ctx); |
1066 |
++ if (reg == RV_REG_RA) |
1067 |
++ emit(rv_addi(RV_REG_A0, RV_REG_A5, 0), ctx); |
1068 |
+ emit(rv_jalr(RV_REG_ZERO, reg, 0), ctx); |
1069 |
+ } |
1070 |
+ |
1071 |
+@@ -1426,6 +1432,10 @@ static void build_prologue(struct rv_jit_context *ctx) |
1072 |
+ { |
1073 |
+ int stack_adjust = 0, store_offset, bpf_stack_adjust; |
1074 |
+ |
1075 |
++ bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, 16); |
1076 |
++ if (bpf_stack_adjust) |
1077 |
++ mark_fp(ctx); |
1078 |
++ |
1079 |
+ if (seen_reg(RV_REG_RA, ctx)) |
1080 |
+ stack_adjust += 8; |
1081 |
+ stack_adjust += 8; /* RV_REG_FP */ |
1082 |
+@@ -1443,7 +1453,6 @@ static void build_prologue(struct rv_jit_context *ctx) |
1083 |
+ stack_adjust += 8; |
1084 |
+ |
1085 |
+ stack_adjust = round_up(stack_adjust, 16); |
1086 |
+- bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, 16); |
1087 |
+ stack_adjust += bpf_stack_adjust; |
1088 |
+ |
1089 |
+ store_offset = stack_adjust - 8; |
1090 |
+diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h |
1091 |
+index 823578c6b9e2..3f5cb55cde35 100644 |
1092 |
+--- a/arch/s390/include/asm/page.h |
1093 |
++++ b/arch/s390/include/asm/page.h |
1094 |
+@@ -33,6 +33,8 @@ |
1095 |
+ #define ARCH_HAS_PREPARE_HUGEPAGE |
1096 |
+ #define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH |
1097 |
+ |
1098 |
++#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA |
1099 |
++ |
1100 |
+ #include <asm/setup.h> |
1101 |
+ #ifndef __ASSEMBLY__ |
1102 |
+ |
1103 |
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c |
1104 |
+index d047e846e1b9..756c627f7e54 100644 |
1105 |
+--- a/arch/s390/kvm/kvm-s390.c |
1106 |
++++ b/arch/s390/kvm/kvm-s390.c |
1107 |
+@@ -2863,9 +2863,7 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) |
1108 |
+ vcpu->arch.sie_block->gcr[14] = CR14_UNUSED_32 | |
1109 |
+ CR14_UNUSED_33 | |
1110 |
+ CR14_EXTERNAL_DAMAGE_SUBMASK; |
1111 |
+- /* make sure the new fpc will be lazily loaded */ |
1112 |
+- save_fpu_regs(); |
1113 |
+- current->thread.fpu.fpc = 0; |
1114 |
++ vcpu->run->s.regs.fpc = 0; |
1115 |
+ vcpu->arch.sie_block->gbea = 1; |
1116 |
+ vcpu->arch.sie_block->pp = 0; |
1117 |
+ vcpu->arch.sie_block->fpf &= ~FPF_BPBC; |
1118 |
+@@ -4354,7 +4352,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, |
1119 |
+ switch (ioctl) { |
1120 |
+ case KVM_S390_STORE_STATUS: |
1121 |
+ idx = srcu_read_lock(&vcpu->kvm->srcu); |
1122 |
+- r = kvm_s390_vcpu_store_status(vcpu, arg); |
1123 |
++ r = kvm_s390_store_status_unloaded(vcpu, arg); |
1124 |
+ srcu_read_unlock(&vcpu->kvm->srcu, idx); |
1125 |
+ break; |
1126 |
+ case KVM_S390_SET_INITIAL_PSW: { |
1127 |
+diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c |
1128 |
+index b0246c705a19..5674710a4841 100644 |
1129 |
+--- a/arch/s390/mm/hugetlbpage.c |
1130 |
++++ b/arch/s390/mm/hugetlbpage.c |
1131 |
+@@ -2,7 +2,7 @@ |
1132 |
+ /* |
1133 |
+ * IBM System z Huge TLB Page Support for Kernel. |
1134 |
+ * |
1135 |
+- * Copyright IBM Corp. 2007,2016 |
1136 |
++ * Copyright IBM Corp. 2007,2020 |
1137 |
+ * Author(s): Gerald Schaefer <gerald.schaefer@××××××.com> |
1138 |
+ */ |
1139 |
+ |
1140 |
+@@ -11,6 +11,9 @@ |
1141 |
+ |
1142 |
+ #include <linux/mm.h> |
1143 |
+ #include <linux/hugetlb.h> |
1144 |
++#include <linux/mman.h> |
1145 |
++#include <linux/sched/mm.h> |
1146 |
++#include <linux/security.h> |
1147 |
+ |
1148 |
+ /* |
1149 |
+ * If the bit selected by single-bit bitmask "a" is set within "x", move |
1150 |
+@@ -267,3 +270,98 @@ static __init int setup_hugepagesz(char *opt) |
1151 |
+ return 1; |
1152 |
+ } |
1153 |
+ __setup("hugepagesz=", setup_hugepagesz); |
1154 |
++ |
1155 |
++static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, |
1156 |
++ unsigned long addr, unsigned long len, |
1157 |
++ unsigned long pgoff, unsigned long flags) |
1158 |
++{ |
1159 |
++ struct hstate *h = hstate_file(file); |
1160 |
++ struct vm_unmapped_area_info info; |
1161 |
++ |
1162 |
++ info.flags = 0; |
1163 |
++ info.length = len; |
1164 |
++ info.low_limit = current->mm->mmap_base; |
1165 |
++ info.high_limit = TASK_SIZE; |
1166 |
++ info.align_mask = PAGE_MASK & ~huge_page_mask(h); |
1167 |
++ info.align_offset = 0; |
1168 |
++ return vm_unmapped_area(&info); |
1169 |
++} |
1170 |
++ |
1171 |
++static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, |
1172 |
++ unsigned long addr0, unsigned long len, |
1173 |
++ unsigned long pgoff, unsigned long flags) |
1174 |
++{ |
1175 |
++ struct hstate *h = hstate_file(file); |
1176 |
++ struct vm_unmapped_area_info info; |
1177 |
++ unsigned long addr; |
1178 |
++ |
1179 |
++ info.flags = VM_UNMAPPED_AREA_TOPDOWN; |
1180 |
++ info.length = len; |
1181 |
++ info.low_limit = max(PAGE_SIZE, mmap_min_addr); |
1182 |
++ info.high_limit = current->mm->mmap_base; |
1183 |
++ info.align_mask = PAGE_MASK & ~huge_page_mask(h); |
1184 |
++ info.align_offset = 0; |
1185 |
++ addr = vm_unmapped_area(&info); |
1186 |
++ |
1187 |
++ /* |
1188 |
++ * A failed mmap() very likely causes application failure, |
1189 |
++ * so fall back to the bottom-up function here. This scenario |
1190 |
++ * can happen with large stack limits and large mmap() |
1191 |
++ * allocations. |
1192 |
++ */ |
1193 |
++ if (addr & ~PAGE_MASK) { |
1194 |
++ VM_BUG_ON(addr != -ENOMEM); |
1195 |
++ info.flags = 0; |
1196 |
++ info.low_limit = TASK_UNMAPPED_BASE; |
1197 |
++ info.high_limit = TASK_SIZE; |
1198 |
++ addr = vm_unmapped_area(&info); |
1199 |
++ } |
1200 |
++ |
1201 |
++ return addr; |
1202 |
++} |
1203 |
++ |
1204 |
++unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, |
1205 |
++ unsigned long len, unsigned long pgoff, unsigned long flags) |
1206 |
++{ |
1207 |
++ struct hstate *h = hstate_file(file); |
1208 |
++ struct mm_struct *mm = current->mm; |
1209 |
++ struct vm_area_struct *vma; |
1210 |
++ int rc; |
1211 |
++ |
1212 |
++ if (len & ~huge_page_mask(h)) |
1213 |
++ return -EINVAL; |
1214 |
++ if (len > TASK_SIZE - mmap_min_addr) |
1215 |
++ return -ENOMEM; |
1216 |
++ |
1217 |
++ if (flags & MAP_FIXED) { |
1218 |
++ if (prepare_hugepage_range(file, addr, len)) |
1219 |
++ return -EINVAL; |
1220 |
++ goto check_asce_limit; |
1221 |
++ } |
1222 |
++ |
1223 |
++ if (addr) { |
1224 |
++ addr = ALIGN(addr, huge_page_size(h)); |
1225 |
++ vma = find_vma(mm, addr); |
1226 |
++ if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && |
1227 |
++ (!vma || addr + len <= vm_start_gap(vma))) |
1228 |
++ goto check_asce_limit; |
1229 |
++ } |
1230 |
++ |
1231 |
++ if (mm->get_unmapped_area == arch_get_unmapped_area) |
1232 |
++ addr = hugetlb_get_unmapped_area_bottomup(file, addr, len, |
1233 |
++ pgoff, flags); |
1234 |
++ else |
1235 |
++ addr = hugetlb_get_unmapped_area_topdown(file, addr, len, |
1236 |
++ pgoff, flags); |
1237 |
++ if (addr & ~PAGE_MASK) |
1238 |
++ return addr; |
1239 |
++ |
1240 |
++check_asce_limit: |
1241 |
++ if (addr + len > current->mm->context.asce_limit && |
1242 |
++ addr + len <= TASK_SIZE) { |
1243 |
++ rc = crst_table_upgrade(mm, addr + len); |
1244 |
++ if (rc) |
1245 |
++ return (unsigned long) rc; |
1246 |
++ } |
1247 |
++ return addr; |
1248 |
++} |
1249 |
+diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig |
1250 |
+index eb24cb1afc11..18e9fb6fcf1b 100644 |
1251 |
+--- a/arch/sparc/Kconfig |
1252 |
++++ b/arch/sparc/Kconfig |
1253 |
+@@ -65,7 +65,6 @@ config SPARC64 |
1254 |
+ select HAVE_KRETPROBES |
1255 |
+ select HAVE_KPROBES |
1256 |
+ select HAVE_RCU_TABLE_FREE if SMP |
1257 |
+- select HAVE_RCU_TABLE_NO_INVALIDATE if HAVE_RCU_TABLE_FREE |
1258 |
+ select HAVE_MEMBLOCK_NODE_MAP |
1259 |
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE |
1260 |
+ select HAVE_DYNAMIC_FTRACE |
1261 |
+diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h |
1262 |
+index a2f3fa61ee36..8cb8f3833239 100644 |
1263 |
+--- a/arch/sparc/include/asm/tlb_64.h |
1264 |
++++ b/arch/sparc/include/asm/tlb_64.h |
1265 |
+@@ -28,6 +28,15 @@ void flush_tlb_pending(void); |
1266 |
+ #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) |
1267 |
+ #define tlb_flush(tlb) flush_tlb_pending() |
1268 |
+ |
1269 |
++/* |
1270 |
++ * SPARC64's hardware TLB fill does not use the Linux page-tables |
1271 |
++ * and therefore we don't need a TLBI when freeing page-table pages. |
1272 |
++ */ |
1273 |
++ |
1274 |
++#ifdef CONFIG_HAVE_RCU_TABLE_FREE |
1275 |
++#define tlb_needs_table_invalidate() (false) |
1276 |
++#endif |
1277 |
++ |
1278 |
+ #include <asm-generic/tlb.h> |
1279 |
+ |
1280 |
+ #endif /* _SPARC64_TLB_H */ |
1281 |
+diff --git a/arch/sparc/include/uapi/asm/ipcbuf.h b/arch/sparc/include/uapi/asm/ipcbuf.h |
1282 |
+index 9d0d125500e2..084b8949ddff 100644 |
1283 |
+--- a/arch/sparc/include/uapi/asm/ipcbuf.h |
1284 |
++++ b/arch/sparc/include/uapi/asm/ipcbuf.h |
1285 |
+@@ -15,19 +15,19 @@ |
1286 |
+ |
1287 |
+ struct ipc64_perm |
1288 |
+ { |
1289 |
+- __kernel_key_t key; |
1290 |
+- __kernel_uid_t uid; |
1291 |
+- __kernel_gid_t gid; |
1292 |
+- __kernel_uid_t cuid; |
1293 |
+- __kernel_gid_t cgid; |
1294 |
++ __kernel_key_t key; |
1295 |
++ __kernel_uid32_t uid; |
1296 |
++ __kernel_gid32_t gid; |
1297 |
++ __kernel_uid32_t cuid; |
1298 |
++ __kernel_gid32_t cgid; |
1299 |
+ #ifndef __arch64__ |
1300 |
+- unsigned short __pad0; |
1301 |
++ unsigned short __pad0; |
1302 |
+ #endif |
1303 |
+- __kernel_mode_t mode; |
1304 |
+- unsigned short __pad1; |
1305 |
+- unsigned short seq; |
1306 |
+- unsigned long long __unused1; |
1307 |
+- unsigned long long __unused2; |
1308 |
++ __kernel_mode_t mode; |
1309 |
++ unsigned short __pad1; |
1310 |
++ unsigned short seq; |
1311 |
++ unsigned long long __unused1; |
1312 |
++ unsigned long long __unused2; |
1313 |
+ }; |
1314 |
+ |
1315 |
+ #endif /* __SPARC_IPCBUF_H */ |
1316 |
+diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h |
1317 |
+index 2ebc17d9c72c..19e94af9cc5d 100644 |
1318 |
+--- a/arch/x86/include/asm/apic.h |
1319 |
++++ b/arch/x86/include/asm/apic.h |
1320 |
+@@ -140,6 +140,7 @@ extern void apic_soft_disable(void); |
1321 |
+ extern void lapic_shutdown(void); |
1322 |
+ extern void sync_Arb_IDs(void); |
1323 |
+ extern void init_bsp_APIC(void); |
1324 |
++extern void apic_intr_mode_select(void); |
1325 |
+ extern void apic_intr_mode_init(void); |
1326 |
+ extern void init_apic_mappings(void); |
1327 |
+ void register_lapic_address(unsigned long address); |
1328 |
+@@ -188,6 +189,7 @@ static inline void disable_local_APIC(void) { } |
1329 |
+ # define setup_secondary_APIC_clock x86_init_noop |
1330 |
+ static inline void lapic_update_tsc_freq(void) { } |
1331 |
+ static inline void init_bsp_APIC(void) { } |
1332 |
++static inline void apic_intr_mode_select(void) { } |
1333 |
+ static inline void apic_intr_mode_init(void) { } |
1334 |
+ static inline void lapic_assign_system_vectors(void) { } |
1335 |
+ static inline void lapic_assign_legacy_vector(unsigned int i, bool r) { } |
1336 |
+@@ -452,6 +454,14 @@ static inline void ack_APIC_irq(void) |
1337 |
+ apic_eoi(); |
1338 |
+ } |
1339 |
+ |
1340 |
++ |
1341 |
++static inline bool lapic_vector_set_in_irr(unsigned int vector) |
1342 |
++{ |
1343 |
++ u32 irr = apic_read(APIC_IRR + (vector / 32 * 0x10)); |
1344 |
++ |
1345 |
++ return !!(irr & (1U << (vector % 32))); |
1346 |
++} |
1347 |
++ |
1348 |
+ static inline unsigned default_get_apic_id(unsigned long x) |
1349 |
+ { |
1350 |
+ unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); |
1351 |
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h |
1352 |
+index 4fc61483919a..c1ed054c103c 100644 |
1353 |
+--- a/arch/x86/include/asm/kvm_host.h |
1354 |
++++ b/arch/x86/include/asm/kvm_host.h |
1355 |
+@@ -380,12 +380,12 @@ struct kvm_mmu { |
1356 |
+ void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); |
1357 |
+ unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); |
1358 |
+ u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index); |
1359 |
+- int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, |
1360 |
++ int (*page_fault)(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 err, |
1361 |
+ bool prefault); |
1362 |
+ void (*inject_page_fault)(struct kvm_vcpu *vcpu, |
1363 |
+ struct x86_exception *fault); |
1364 |
+- gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, |
1365 |
+- struct x86_exception *exception); |
1366 |
++ gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gpa_t gva_or_gpa, |
1367 |
++ u32 access, struct x86_exception *exception); |
1368 |
+ gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
1369 |
+ struct x86_exception *exception); |
1370 |
+ int (*sync_page)(struct kvm_vcpu *vcpu, |
1371 |
+@@ -667,10 +667,10 @@ struct kvm_vcpu_arch { |
1372 |
+ bool pvclock_set_guest_stopped_request; |
1373 |
+ |
1374 |
+ struct { |
1375 |
++ u8 preempted; |
1376 |
+ u64 msr_val; |
1377 |
+ u64 last_steal; |
1378 |
+- struct gfn_to_hva_cache stime; |
1379 |
+- struct kvm_steal_time steal; |
1380 |
++ struct gfn_to_pfn_cache cache; |
1381 |
+ } st; |
1382 |
+ |
1383 |
+ u64 tsc_offset; |
1384 |
+@@ -1128,6 +1128,7 @@ struct kvm_x86_ops { |
1385 |
+ bool (*xsaves_supported)(void); |
1386 |
+ bool (*umip_emulated)(void); |
1387 |
+ bool (*pt_supported)(void); |
1388 |
++ bool (*pku_supported)(void); |
1389 |
+ |
1390 |
+ int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); |
1391 |
+ void (*request_immediate_exit)(struct kvm_vcpu *vcpu); |
1392 |
+@@ -1450,7 +1451,7 @@ void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu); |
1393 |
+ |
1394 |
+ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); |
1395 |
+ |
1396 |
+-int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u64 error_code, |
1397 |
++int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code, |
1398 |
+ void *insn, int insn_len); |
1399 |
+ void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); |
1400 |
+ void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid); |
1401 |
+diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h |
1402 |
+index 19435858df5f..96d9cd208610 100644 |
1403 |
+--- a/arch/x86/include/asm/x86_init.h |
1404 |
++++ b/arch/x86/include/asm/x86_init.h |
1405 |
+@@ -51,12 +51,14 @@ struct x86_init_resources { |
1406 |
+ * are set up. |
1407 |
+ * @intr_init: interrupt init code |
1408 |
+ * @trap_init: platform specific trap setup |
1409 |
++ * @intr_mode_select: interrupt delivery mode selection |
1410 |
+ * @intr_mode_init: interrupt delivery mode setup |
1411 |
+ */ |
1412 |
+ struct x86_init_irqs { |
1413 |
+ void (*pre_vector_init)(void); |
1414 |
+ void (*intr_init)(void); |
1415 |
+ void (*trap_init)(void); |
1416 |
++ void (*intr_mode_select)(void); |
1417 |
+ void (*intr_mode_init)(void); |
1418 |
+ }; |
1419 |
+ |
1420 |
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c |
1421 |
+index 2b0faf86da1b..df891f874614 100644 |
1422 |
+--- a/arch/x86/kernel/apic/apic.c |
1423 |
++++ b/arch/x86/kernel/apic/apic.c |
1424 |
+@@ -830,8 +830,17 @@ bool __init apic_needs_pit(void) |
1425 |
+ if (!tsc_khz || !cpu_khz) |
1426 |
+ return true; |
1427 |
+ |
1428 |
+- /* Is there an APIC at all? */ |
1429 |
+- if (!boot_cpu_has(X86_FEATURE_APIC)) |
1430 |
++ /* Is there an APIC at all or is it disabled? */ |
1431 |
++ if (!boot_cpu_has(X86_FEATURE_APIC) || disable_apic) |
1432 |
++ return true; |
1433 |
++ |
1434 |
++ /* |
1435 |
++ * If interrupt delivery mode is legacy PIC or virtual wire without |
1436 |
++ * configuration, the local APIC timer wont be set up. Make sure |
1437 |
++ * that the PIT is initialized. |
1438 |
++ */ |
1439 |
++ if (apic_intr_mode == APIC_PIC || |
1440 |
++ apic_intr_mode == APIC_VIRTUAL_WIRE_NO_CONFIG) |
1441 |
+ return true; |
1442 |
+ |
1443 |
+ /* Virt guests may lack ARAT, but still have DEADLINE */ |
1444 |
+@@ -1322,7 +1331,7 @@ void __init sync_Arb_IDs(void) |
1445 |
+ |
1446 |
+ enum apic_intr_mode_id apic_intr_mode __ro_after_init; |
1447 |
+ |
1448 |
+-static int __init apic_intr_mode_select(void) |
1449 |
++static int __init __apic_intr_mode_select(void) |
1450 |
+ { |
1451 |
+ /* Check kernel option */ |
1452 |
+ if (disable_apic) { |
1453 |
+@@ -1384,6 +1393,12 @@ static int __init apic_intr_mode_select(void) |
1454 |
+ return APIC_SYMMETRIC_IO; |
1455 |
+ } |
1456 |
+ |
1457 |
++/* Select the interrupt delivery mode for the BSP */ |
1458 |
++void __init apic_intr_mode_select(void) |
1459 |
++{ |
1460 |
++ apic_intr_mode = __apic_intr_mode_select(); |
1461 |
++} |
1462 |
++ |
1463 |
+ /* |
1464 |
+ * An initial setup of the virtual wire mode. |
1465 |
+ */ |
1466 |
+@@ -1440,8 +1455,6 @@ void __init apic_intr_mode_init(void) |
1467 |
+ { |
1468 |
+ bool upmode = IS_ENABLED(CONFIG_UP_LATE_INIT); |
1469 |
+ |
1470 |
+- apic_intr_mode = apic_intr_mode_select(); |
1471 |
+- |
1472 |
+ switch (apic_intr_mode) { |
1473 |
+ case APIC_PIC: |
1474 |
+ pr_info("APIC: Keep in PIC mode(8259)\n"); |
1475 |
+diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c |
1476 |
+index 7f7533462474..159bd0cb8548 100644 |
1477 |
+--- a/arch/x86/kernel/apic/msi.c |
1478 |
++++ b/arch/x86/kernel/apic/msi.c |
1479 |
+@@ -23,10 +23,8 @@ |
1480 |
+ |
1481 |
+ static struct irq_domain *msi_default_domain; |
1482 |
+ |
1483 |
+-static void irq_msi_compose_msg(struct irq_data *data, struct msi_msg *msg) |
1484 |
++static void __irq_msi_compose_msg(struct irq_cfg *cfg, struct msi_msg *msg) |
1485 |
+ { |
1486 |
+- struct irq_cfg *cfg = irqd_cfg(data); |
1487 |
+- |
1488 |
+ msg->address_hi = MSI_ADDR_BASE_HI; |
1489 |
+ |
1490 |
+ if (x2apic_enabled()) |
1491 |
+@@ -47,6 +45,127 @@ static void irq_msi_compose_msg(struct irq_data *data, struct msi_msg *msg) |
1492 |
+ MSI_DATA_VECTOR(cfg->vector); |
1493 |
+ } |
1494 |
+ |
1495 |
++static void irq_msi_compose_msg(struct irq_data *data, struct msi_msg *msg) |
1496 |
++{ |
1497 |
++ __irq_msi_compose_msg(irqd_cfg(data), msg); |
1498 |
++} |
1499 |
++ |
1500 |
++static void irq_msi_update_msg(struct irq_data *irqd, struct irq_cfg *cfg) |
1501 |
++{ |
1502 |
++ struct msi_msg msg[2] = { [1] = { }, }; |
1503 |
++ |
1504 |
++ __irq_msi_compose_msg(cfg, msg); |
1505 |
++ irq_data_get_irq_chip(irqd)->irq_write_msi_msg(irqd, msg); |
1506 |
++} |
1507 |
++ |
1508 |
++static int |
1509 |
++msi_set_affinity(struct irq_data *irqd, const struct cpumask *mask, bool force) |
1510 |
++{ |
1511 |
++ struct irq_cfg old_cfg, *cfg = irqd_cfg(irqd); |
1512 |
++ struct irq_data *parent = irqd->parent_data; |
1513 |
++ unsigned int cpu; |
1514 |
++ int ret; |
1515 |
++ |
1516 |
++ /* Save the current configuration */ |
1517 |
++ cpu = cpumask_first(irq_data_get_effective_affinity_mask(irqd)); |
1518 |
++ old_cfg = *cfg; |
1519 |
++ |
1520 |
++ /* Allocate a new target vector */ |
1521 |
++ ret = parent->chip->irq_set_affinity(parent, mask, force); |
1522 |
++ if (ret < 0 || ret == IRQ_SET_MASK_OK_DONE) |
1523 |
++ return ret; |
1524 |
++ |
1525 |
++ /* |
1526 |
++ * For non-maskable and non-remapped MSI interrupts the migration |
1527 |
++ * to a different destination CPU and a different vector has to be |
1528 |
++ * done careful to handle the possible stray interrupt which can be |
1529 |
++ * caused by the non-atomic update of the address/data pair. |
1530 |
++ * |
1531 |
++ * Direct update is possible when: |
1532 |
++ * - The MSI is maskable (remapped MSI does not use this code path)). |
1533 |
++ * The quirk bit is not set in this case. |
1534 |
++ * - The new vector is the same as the old vector |
1535 |
++ * - The old vector is MANAGED_IRQ_SHUTDOWN_VECTOR (interrupt starts up) |
1536 |
++ * - The new destination CPU is the same as the old destination CPU |
1537 |
++ */ |
1538 |
++ if (!irqd_msi_nomask_quirk(irqd) || |
1539 |
++ cfg->vector == old_cfg.vector || |
1540 |
++ old_cfg.vector == MANAGED_IRQ_SHUTDOWN_VECTOR || |
1541 |
++ cfg->dest_apicid == old_cfg.dest_apicid) { |
1542 |
++ irq_msi_update_msg(irqd, cfg); |
1543 |
++ return ret; |
1544 |
++ } |
1545 |
++ |
1546 |
++ /* |
1547 |
++ * Paranoia: Validate that the interrupt target is the local |
1548 |
++ * CPU. |
1549 |
++ */ |
1550 |
++ if (WARN_ON_ONCE(cpu != smp_processor_id())) { |
1551 |
++ irq_msi_update_msg(irqd, cfg); |
1552 |
++ return ret; |
1553 |
++ } |
1554 |
++ |
1555 |
++ /* |
1556 |
++ * Redirect the interrupt to the new vector on the current CPU |
1557 |
++ * first. This might cause a spurious interrupt on this vector if |
1558 |
++ * the device raises an interrupt right between this update and the |
1559 |
++ * update to the final destination CPU. |
1560 |
++ * |
1561 |
++ * If the vector is in use then the installed device handler will |
1562 |
++ * denote it as spurious which is no harm as this is a rare event |
1563 |
++ * and interrupt handlers have to cope with spurious interrupts |
1564 |
++ * anyway. If the vector is unused, then it is marked so it won't |
1565 |
++ * trigger the 'No irq handler for vector' warning in do_IRQ(). |
1566 |
++ * |
1567 |
++ * This requires to hold vector lock to prevent concurrent updates to |
1568 |
++ * the affected vector. |
1569 |
++ */ |
1570 |
++ lock_vector_lock(); |
1571 |
++ |
1572 |
++ /* |
1573 |
++ * Mark the new target vector on the local CPU if it is currently |
1574 |
++ * unused. Reuse the VECTOR_RETRIGGERED state which is also used in |
1575 |
++ * the CPU hotplug path for a similar purpose. This cannot be |
1576 |
++ * undone here as the current CPU has interrupts disabled and |
1577 |
++ * cannot handle the interrupt before the whole set_affinity() |
1578 |
++ * section is done. In the CPU unplug case, the current CPU is |
1579 |
++ * about to vanish and will not handle any interrupts anymore. The |
1580 |
++ * vector is cleaned up when the CPU comes online again. |
1581 |
++ */ |
1582 |
++ if (IS_ERR_OR_NULL(this_cpu_read(vector_irq[cfg->vector]))) |
1583 |
++ this_cpu_write(vector_irq[cfg->vector], VECTOR_RETRIGGERED); |
1584 |
++ |
1585 |
++ /* Redirect it to the new vector on the local CPU temporarily */ |
1586 |
++ old_cfg.vector = cfg->vector; |
1587 |
++ irq_msi_update_msg(irqd, &old_cfg); |
1588 |
++ |
1589 |
++ /* Now transition it to the target CPU */ |
1590 |
++ irq_msi_update_msg(irqd, cfg); |
1591 |
++ |
1592 |
++ /* |
1593 |
++ * All interrupts after this point are now targeted at the new |
1594 |
++ * vector/CPU. |
1595 |
++ * |
1596 |
++ * Drop vector lock before testing whether the temporary assignment |
1597 |
++ * to the local CPU was hit by an interrupt raised in the device, |
1598 |
++ * because the retrigger function acquires vector lock again. |
1599 |
++ */ |
1600 |
++ unlock_vector_lock(); |
1601 |
++ |
1602 |
++ /* |
1603 |
++ * Check whether the transition raced with a device interrupt and |
1604 |
++ * is pending in the local APICs IRR. It is safe to do this outside |
1605 |
++ * of vector lock as the irq_desc::lock of this interrupt is still |
1606 |
++ * held and interrupts are disabled: The check is not accessing the |
1607 |
++ * underlying vector store. It's just checking the local APIC's |
1608 |
++ * IRR. |
1609 |
++ */ |
1610 |
++ if (lapic_vector_set_in_irr(cfg->vector)) |
1611 |
++ irq_data_get_irq_chip(irqd)->irq_retrigger(irqd); |
1612 |
++ |
1613 |
++ return ret; |
1614 |
++} |
1615 |
++ |
1616 |
+ /* |
1617 |
+ * IRQ Chip for MSI PCI/PCI-X/PCI-Express Devices, |
1618 |
+ * which implement the MSI or MSI-X Capability Structure. |
1619 |
+@@ -58,6 +177,7 @@ static struct irq_chip pci_msi_controller = { |
1620 |
+ .irq_ack = irq_chip_ack_parent, |
1621 |
+ .irq_retrigger = irq_chip_retrigger_hierarchy, |
1622 |
+ .irq_compose_msi_msg = irq_msi_compose_msg, |
1623 |
++ .irq_set_affinity = msi_set_affinity, |
1624 |
+ .flags = IRQCHIP_SKIP_SET_WAKE, |
1625 |
+ }; |
1626 |
+ |
1627 |
+@@ -146,6 +266,8 @@ void __init arch_init_msi_domain(struct irq_domain *parent) |
1628 |
+ } |
1629 |
+ if (!msi_default_domain) |
1630 |
+ pr_warn("failed to initialize irqdomain for MSI/MSI-x.\n"); |
1631 |
++ else |
1632 |
++ msi_default_domain->flags |= IRQ_DOMAIN_MSI_NOMASK_QUIRK; |
1633 |
+ } |
1634 |
+ |
1635 |
+ #ifdef CONFIG_IRQ_REMAP |
1636 |
+diff --git a/arch/x86/kernel/cpu/tsx.c b/arch/x86/kernel/cpu/tsx.c |
1637 |
+index 3e20d322bc98..032509adf9de 100644 |
1638 |
+--- a/arch/x86/kernel/cpu/tsx.c |
1639 |
++++ b/arch/x86/kernel/cpu/tsx.c |
1640 |
+@@ -115,11 +115,12 @@ void __init tsx_init(void) |
1641 |
+ tsx_disable(); |
1642 |
+ |
1643 |
+ /* |
1644 |
+- * tsx_disable() will change the state of the |
1645 |
+- * RTM CPUID bit. Clear it here since it is now |
1646 |
+- * expected to be not set. |
1647 |
++ * tsx_disable() will change the state of the RTM and HLE CPUID |
1648 |
++ * bits. Clear them here since they are now expected to be not |
1649 |
++ * set. |
1650 |
+ */ |
1651 |
+ setup_clear_cpu_cap(X86_FEATURE_RTM); |
1652 |
++ setup_clear_cpu_cap(X86_FEATURE_HLE); |
1653 |
+ } else if (tsx_ctrl_state == TSX_CTRL_ENABLE) { |
1654 |
+ |
1655 |
+ /* |
1656 |
+@@ -131,10 +132,10 @@ void __init tsx_init(void) |
1657 |
+ tsx_enable(); |
1658 |
+ |
1659 |
+ /* |
1660 |
+- * tsx_enable() will change the state of the |
1661 |
+- * RTM CPUID bit. Force it here since it is now |
1662 |
+- * expected to be set. |
1663 |
++ * tsx_enable() will change the state of the RTM and HLE CPUID |
1664 |
++ * bits. Force them here since they are now expected to be set. |
1665 |
+ */ |
1666 |
+ setup_force_cpu_cap(X86_FEATURE_RTM); |
1667 |
++ setup_force_cpu_cap(X86_FEATURE_HLE); |
1668 |
+ } |
1669 |
+ } |
1670 |
+diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c |
1671 |
+index 7ce29cee9f9e..d8673d8a779b 100644 |
1672 |
+--- a/arch/x86/kernel/time.c |
1673 |
++++ b/arch/x86/kernel/time.c |
1674 |
+@@ -91,10 +91,18 @@ void __init hpet_time_init(void) |
1675 |
+ |
1676 |
+ static __init void x86_late_time_init(void) |
1677 |
+ { |
1678 |
++ /* |
1679 |
++ * Before PIT/HPET init, select the interrupt mode. This is required |
1680 |
++ * to make the decision whether PIT should be initialized correct. |
1681 |
++ */ |
1682 |
++ x86_init.irqs.intr_mode_select(); |
1683 |
++ |
1684 |
++ /* Setup the legacy timers */ |
1685 |
+ x86_init.timers.timer_init(); |
1686 |
++ |
1687 |
+ /* |
1688 |
+- * After PIT/HPET timers init, select and setup |
1689 |
+- * the final interrupt mode for delivering IRQs. |
1690 |
++ * After PIT/HPET timers init, set up the final interrupt mode for |
1691 |
++ * delivering IRQs. |
1692 |
+ */ |
1693 |
+ x86_init.irqs.intr_mode_init(); |
1694 |
+ tsc_init(); |
1695 |
+diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c |
1696 |
+index 18a799c8fa28..1838b10a299c 100644 |
1697 |
+--- a/arch/x86/kernel/x86_init.c |
1698 |
++++ b/arch/x86/kernel/x86_init.c |
1699 |
+@@ -58,6 +58,7 @@ struct x86_init_ops x86_init __initdata = { |
1700 |
+ .pre_vector_init = init_ISA_irqs, |
1701 |
+ .intr_init = native_init_IRQ, |
1702 |
+ .trap_init = x86_init_noop, |
1703 |
++ .intr_mode_select = apic_intr_mode_select, |
1704 |
+ .intr_mode_init = apic_intr_mode_init |
1705 |
+ }, |
1706 |
+ |
1707 |
+diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c |
1708 |
+index b1d5a8c94a57..6fa946f983c9 100644 |
1709 |
+--- a/arch/x86/kvm/cpuid.c |
1710 |
++++ b/arch/x86/kvm/cpuid.c |
1711 |
+@@ -352,6 +352,7 @@ static inline void do_cpuid_7_mask(struct kvm_cpuid_entry2 *entry, int index) |
1712 |
+ unsigned f_umip = kvm_x86_ops->umip_emulated() ? F(UMIP) : 0; |
1713 |
+ unsigned f_intel_pt = kvm_x86_ops->pt_supported() ? F(INTEL_PT) : 0; |
1714 |
+ unsigned f_la57; |
1715 |
++ unsigned f_pku = kvm_x86_ops->pku_supported() ? F(PKU) : 0; |
1716 |
+ |
1717 |
+ /* cpuid 7.0.ebx */ |
1718 |
+ const u32 kvm_cpuid_7_0_ebx_x86_features = |
1719 |
+@@ -363,7 +364,7 @@ static inline void do_cpuid_7_mask(struct kvm_cpuid_entry2 *entry, int index) |
1720 |
+ |
1721 |
+ /* cpuid 7.0.ecx*/ |
1722 |
+ const u32 kvm_cpuid_7_0_ecx_x86_features = |
1723 |
+- F(AVX512VBMI) | F(LA57) | F(PKU) | 0 /*OSPKE*/ | F(RDPID) | |
1724 |
++ F(AVX512VBMI) | F(LA57) | 0 /*PKU*/ | 0 /*OSPKE*/ | F(RDPID) | |
1725 |
+ F(AVX512_VPOPCNTDQ) | F(UMIP) | F(AVX512_VBMI2) | F(GFNI) | |
1726 |
+ F(VAES) | F(VPCLMULQDQ) | F(AVX512_VNNI) | F(AVX512_BITALG) | |
1727 |
+ F(CLDEMOTE) | F(MOVDIRI) | F(MOVDIR64B) | 0 /*WAITPKG*/; |
1728 |
+@@ -392,6 +393,7 @@ static inline void do_cpuid_7_mask(struct kvm_cpuid_entry2 *entry, int index) |
1729 |
+ /* Set LA57 based on hardware capability. */ |
1730 |
+ entry->ecx |= f_la57; |
1731 |
+ entry->ecx |= f_umip; |
1732 |
++ entry->ecx |= f_pku; |
1733 |
+ /* PKU is not yet implemented for shadow paging. */ |
1734 |
+ if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE)) |
1735 |
+ entry->ecx &= ~F(PKU); |
1736 |
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c |
1737 |
+index 698efb8c3897..37aa9ce29b33 100644 |
1738 |
+--- a/arch/x86/kvm/emulate.c |
1739 |
++++ b/arch/x86/kvm/emulate.c |
1740 |
+@@ -22,6 +22,7 @@ |
1741 |
+ #include "kvm_cache_regs.h" |
1742 |
+ #include <asm/kvm_emulate.h> |
1743 |
+ #include <linux/stringify.h> |
1744 |
++#include <asm/fpu/api.h> |
1745 |
+ #include <asm/debugreg.h> |
1746 |
+ #include <asm/nospec-branch.h> |
1747 |
+ |
1748 |
+@@ -1075,8 +1076,23 @@ static void fetch_register_operand(struct operand *op) |
1749 |
+ } |
1750 |
+ } |
1751 |
+ |
1752 |
++static void emulator_get_fpu(void) |
1753 |
++{ |
1754 |
++ fpregs_lock(); |
1755 |
++ |
1756 |
++ fpregs_assert_state_consistent(); |
1757 |
++ if (test_thread_flag(TIF_NEED_FPU_LOAD)) |
1758 |
++ switch_fpu_return(); |
1759 |
++} |
1760 |
++ |
1761 |
++static void emulator_put_fpu(void) |
1762 |
++{ |
1763 |
++ fpregs_unlock(); |
1764 |
++} |
1765 |
++ |
1766 |
+ static void read_sse_reg(struct x86_emulate_ctxt *ctxt, sse128_t *data, int reg) |
1767 |
+ { |
1768 |
++ emulator_get_fpu(); |
1769 |
+ switch (reg) { |
1770 |
+ case 0: asm("movdqa %%xmm0, %0" : "=m"(*data)); break; |
1771 |
+ case 1: asm("movdqa %%xmm1, %0" : "=m"(*data)); break; |
1772 |
+@@ -1098,11 +1114,13 @@ static void read_sse_reg(struct x86_emulate_ctxt *ctxt, sse128_t *data, int reg) |
1773 |
+ #endif |
1774 |
+ default: BUG(); |
1775 |
+ } |
1776 |
++ emulator_put_fpu(); |
1777 |
+ } |
1778 |
+ |
1779 |
+ static void write_sse_reg(struct x86_emulate_ctxt *ctxt, sse128_t *data, |
1780 |
+ int reg) |
1781 |
+ { |
1782 |
++ emulator_get_fpu(); |
1783 |
+ switch (reg) { |
1784 |
+ case 0: asm("movdqa %0, %%xmm0" : : "m"(*data)); break; |
1785 |
+ case 1: asm("movdqa %0, %%xmm1" : : "m"(*data)); break; |
1786 |
+@@ -1124,10 +1142,12 @@ static void write_sse_reg(struct x86_emulate_ctxt *ctxt, sse128_t *data, |
1787 |
+ #endif |
1788 |
+ default: BUG(); |
1789 |
+ } |
1790 |
++ emulator_put_fpu(); |
1791 |
+ } |
1792 |
+ |
1793 |
+ static void read_mmx_reg(struct x86_emulate_ctxt *ctxt, u64 *data, int reg) |
1794 |
+ { |
1795 |
++ emulator_get_fpu(); |
1796 |
+ switch (reg) { |
1797 |
+ case 0: asm("movq %%mm0, %0" : "=m"(*data)); break; |
1798 |
+ case 1: asm("movq %%mm1, %0" : "=m"(*data)); break; |
1799 |
+@@ -1139,10 +1159,12 @@ static void read_mmx_reg(struct x86_emulate_ctxt *ctxt, u64 *data, int reg) |
1800 |
+ case 7: asm("movq %%mm7, %0" : "=m"(*data)); break; |
1801 |
+ default: BUG(); |
1802 |
+ } |
1803 |
++ emulator_put_fpu(); |
1804 |
+ } |
1805 |
+ |
1806 |
+ static void write_mmx_reg(struct x86_emulate_ctxt *ctxt, u64 *data, int reg) |
1807 |
+ { |
1808 |
++ emulator_get_fpu(); |
1809 |
+ switch (reg) { |
1810 |
+ case 0: asm("movq %0, %%mm0" : : "m"(*data)); break; |
1811 |
+ case 1: asm("movq %0, %%mm1" : : "m"(*data)); break; |
1812 |
+@@ -1154,6 +1176,7 @@ static void write_mmx_reg(struct x86_emulate_ctxt *ctxt, u64 *data, int reg) |
1813 |
+ case 7: asm("movq %0, %%mm7" : : "m"(*data)); break; |
1814 |
+ default: BUG(); |
1815 |
+ } |
1816 |
++ emulator_put_fpu(); |
1817 |
+ } |
1818 |
+ |
1819 |
+ static int em_fninit(struct x86_emulate_ctxt *ctxt) |
1820 |
+@@ -1161,7 +1184,9 @@ static int em_fninit(struct x86_emulate_ctxt *ctxt) |
1821 |
+ if (ctxt->ops->get_cr(ctxt, 0) & (X86_CR0_TS | X86_CR0_EM)) |
1822 |
+ return emulate_nm(ctxt); |
1823 |
+ |
1824 |
++ emulator_get_fpu(); |
1825 |
+ asm volatile("fninit"); |
1826 |
++ emulator_put_fpu(); |
1827 |
+ return X86EMUL_CONTINUE; |
1828 |
+ } |
1829 |
+ |
1830 |
+@@ -1172,7 +1197,9 @@ static int em_fnstcw(struct x86_emulate_ctxt *ctxt) |
1831 |
+ if (ctxt->ops->get_cr(ctxt, 0) & (X86_CR0_TS | X86_CR0_EM)) |
1832 |
+ return emulate_nm(ctxt); |
1833 |
+ |
1834 |
++ emulator_get_fpu(); |
1835 |
+ asm volatile("fnstcw %0": "+m"(fcw)); |
1836 |
++ emulator_put_fpu(); |
1837 |
+ |
1838 |
+ ctxt->dst.val = fcw; |
1839 |
+ |
1840 |
+@@ -1186,7 +1213,9 @@ static int em_fnstsw(struct x86_emulate_ctxt *ctxt) |
1841 |
+ if (ctxt->ops->get_cr(ctxt, 0) & (X86_CR0_TS | X86_CR0_EM)) |
1842 |
+ return emulate_nm(ctxt); |
1843 |
+ |
1844 |
++ emulator_get_fpu(); |
1845 |
+ asm volatile("fnstsw %0": "+m"(fsw)); |
1846 |
++ emulator_put_fpu(); |
1847 |
+ |
1848 |
+ ctxt->dst.val = fsw; |
1849 |
+ |
1850 |
+@@ -4094,8 +4123,12 @@ static int em_fxsave(struct x86_emulate_ctxt *ctxt) |
1851 |
+ if (rc != X86EMUL_CONTINUE) |
1852 |
+ return rc; |
1853 |
+ |
1854 |
++ emulator_get_fpu(); |
1855 |
++ |
1856 |
+ rc = asm_safe("fxsave %[fx]", , [fx] "+m"(fx_state)); |
1857 |
+ |
1858 |
++ emulator_put_fpu(); |
1859 |
++ |
1860 |
+ if (rc != X86EMUL_CONTINUE) |
1861 |
+ return rc; |
1862 |
+ |
1863 |
+@@ -4138,6 +4171,8 @@ static int em_fxrstor(struct x86_emulate_ctxt *ctxt) |
1864 |
+ if (rc != X86EMUL_CONTINUE) |
1865 |
+ return rc; |
1866 |
+ |
1867 |
++ emulator_get_fpu(); |
1868 |
++ |
1869 |
+ if (size < __fxstate_size(16)) { |
1870 |
+ rc = fxregs_fixup(&fx_state, size); |
1871 |
+ if (rc != X86EMUL_CONTINUE) |
1872 |
+@@ -4153,6 +4188,8 @@ static int em_fxrstor(struct x86_emulate_ctxt *ctxt) |
1873 |
+ rc = asm_safe("fxrstor %[fx]", : [fx] "m"(fx_state)); |
1874 |
+ |
1875 |
+ out: |
1876 |
++ emulator_put_fpu(); |
1877 |
++ |
1878 |
+ return rc; |
1879 |
+ } |
1880 |
+ |
1881 |
+@@ -5212,16 +5249,28 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) |
1882 |
+ ctxt->ad_bytes = def_ad_bytes ^ 6; |
1883 |
+ break; |
1884 |
+ case 0x26: /* ES override */ |
1885 |
++ has_seg_override = true; |
1886 |
++ ctxt->seg_override = VCPU_SREG_ES; |
1887 |
++ break; |
1888 |
+ case 0x2e: /* CS override */ |
1889 |
++ has_seg_override = true; |
1890 |
++ ctxt->seg_override = VCPU_SREG_CS; |
1891 |
++ break; |
1892 |
+ case 0x36: /* SS override */ |
1893 |
++ has_seg_override = true; |
1894 |
++ ctxt->seg_override = VCPU_SREG_SS; |
1895 |
++ break; |
1896 |
+ case 0x3e: /* DS override */ |
1897 |
+ has_seg_override = true; |
1898 |
+- ctxt->seg_override = (ctxt->b >> 3) & 3; |
1899 |
++ ctxt->seg_override = VCPU_SREG_DS; |
1900 |
+ break; |
1901 |
+ case 0x64: /* FS override */ |
1902 |
++ has_seg_override = true; |
1903 |
++ ctxt->seg_override = VCPU_SREG_FS; |
1904 |
++ break; |
1905 |
+ case 0x65: /* GS override */ |
1906 |
+ has_seg_override = true; |
1907 |
+- ctxt->seg_override = ctxt->b & 7; |
1908 |
++ ctxt->seg_override = VCPU_SREG_GS; |
1909 |
+ break; |
1910 |
+ case 0x40 ... 0x4f: /* REX */ |
1911 |
+ if (mode != X86EMUL_MODE_PROT64) |
1912 |
+@@ -5305,10 +5354,15 @@ done_prefixes: |
1913 |
+ } |
1914 |
+ break; |
1915 |
+ case Escape: |
1916 |
+- if (ctxt->modrm > 0xbf) |
1917 |
+- opcode = opcode.u.esc->high[ctxt->modrm - 0xc0]; |
1918 |
+- else |
1919 |
++ if (ctxt->modrm > 0xbf) { |
1920 |
++ size_t size = ARRAY_SIZE(opcode.u.esc->high); |
1921 |
++ u32 index = array_index_nospec( |
1922 |
++ ctxt->modrm - 0xc0, size); |
1923 |
++ |
1924 |
++ opcode = opcode.u.esc->high[index]; |
1925 |
++ } else { |
1926 |
+ opcode = opcode.u.esc->op[(ctxt->modrm >> 3) & 7]; |
1927 |
++ } |
1928 |
+ break; |
1929 |
+ case InstrDual: |
1930 |
+ if ((ctxt->modrm >> 6) == 3) |
1931 |
+@@ -5450,7 +5504,9 @@ static int flush_pending_x87_faults(struct x86_emulate_ctxt *ctxt) |
1932 |
+ { |
1933 |
+ int rc; |
1934 |
+ |
1935 |
++ emulator_get_fpu(); |
1936 |
+ rc = asm_safe("fwait"); |
1937 |
++ emulator_put_fpu(); |
1938 |
+ |
1939 |
+ if (unlikely(rc != X86EMUL_CONTINUE)) |
1940 |
+ return emulate_exception(ctxt, MF_VECTOR, 0, false); |
1941 |
+diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c |
1942 |
+index 23ff65504d7e..26408434b9bc 100644 |
1943 |
+--- a/arch/x86/kvm/hyperv.c |
1944 |
++++ b/arch/x86/kvm/hyperv.c |
1945 |
+@@ -809,11 +809,12 @@ static int kvm_hv_msr_get_crash_data(struct kvm_vcpu *vcpu, |
1946 |
+ u32 index, u64 *pdata) |
1947 |
+ { |
1948 |
+ struct kvm_hv *hv = &vcpu->kvm->arch.hyperv; |
1949 |
++ size_t size = ARRAY_SIZE(hv->hv_crash_param); |
1950 |
+ |
1951 |
+- if (WARN_ON_ONCE(index >= ARRAY_SIZE(hv->hv_crash_param))) |
1952 |
++ if (WARN_ON_ONCE(index >= size)) |
1953 |
+ return -EINVAL; |
1954 |
+ |
1955 |
+- *pdata = hv->hv_crash_param[index]; |
1956 |
++ *pdata = hv->hv_crash_param[array_index_nospec(index, size)]; |
1957 |
+ return 0; |
1958 |
+ } |
1959 |
+ |
1960 |
+@@ -852,11 +853,12 @@ static int kvm_hv_msr_set_crash_data(struct kvm_vcpu *vcpu, |
1961 |
+ u32 index, u64 data) |
1962 |
+ { |
1963 |
+ struct kvm_hv *hv = &vcpu->kvm->arch.hyperv; |
1964 |
++ size_t size = ARRAY_SIZE(hv->hv_crash_param); |
1965 |
+ |
1966 |
+- if (WARN_ON_ONCE(index >= ARRAY_SIZE(hv->hv_crash_param))) |
1967 |
++ if (WARN_ON_ONCE(index >= size)) |
1968 |
+ return -EINVAL; |
1969 |
+ |
1970 |
+- hv->hv_crash_param[index] = data; |
1971 |
++ hv->hv_crash_param[array_index_nospec(index, size)] = data; |
1972 |
+ return 0; |
1973 |
+ } |
1974 |
+ |
1975 |
+diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c |
1976 |
+index 8b38bb4868a6..629a09ca9860 100644 |
1977 |
+--- a/arch/x86/kvm/i8259.c |
1978 |
++++ b/arch/x86/kvm/i8259.c |
1979 |
+@@ -460,10 +460,14 @@ static int picdev_write(struct kvm_pic *s, |
1980 |
+ switch (addr) { |
1981 |
+ case 0x20: |
1982 |
+ case 0x21: |
1983 |
++ pic_lock(s); |
1984 |
++ pic_ioport_write(&s->pics[0], addr, data); |
1985 |
++ pic_unlock(s); |
1986 |
++ break; |
1987 |
+ case 0xa0: |
1988 |
+ case 0xa1: |
1989 |
+ pic_lock(s); |
1990 |
+- pic_ioport_write(&s->pics[addr >> 7], addr, data); |
1991 |
++ pic_ioport_write(&s->pics[1], addr, data); |
1992 |
+ pic_unlock(s); |
1993 |
+ break; |
1994 |
+ case 0x4d0: |
1995 |
+diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c |
1996 |
+index d859ae8890d0..24a6905d60ee 100644 |
1997 |
+--- a/arch/x86/kvm/ioapic.c |
1998 |
++++ b/arch/x86/kvm/ioapic.c |
1999 |
+@@ -36,6 +36,7 @@ |
2000 |
+ #include <linux/io.h> |
2001 |
+ #include <linux/slab.h> |
2002 |
+ #include <linux/export.h> |
2003 |
++#include <linux/nospec.h> |
2004 |
+ #include <asm/processor.h> |
2005 |
+ #include <asm/page.h> |
2006 |
+ #include <asm/current.h> |
2007 |
+@@ -68,13 +69,14 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic, |
2008 |
+ default: |
2009 |
+ { |
2010 |
+ u32 redir_index = (ioapic->ioregsel - 0x10) >> 1; |
2011 |
+- u64 redir_content; |
2012 |
++ u64 redir_content = ~0ULL; |
2013 |
+ |
2014 |
+- if (redir_index < IOAPIC_NUM_PINS) |
2015 |
+- redir_content = |
2016 |
+- ioapic->redirtbl[redir_index].bits; |
2017 |
+- else |
2018 |
+- redir_content = ~0ULL; |
2019 |
++ if (redir_index < IOAPIC_NUM_PINS) { |
2020 |
++ u32 index = array_index_nospec( |
2021 |
++ redir_index, IOAPIC_NUM_PINS); |
2022 |
++ |
2023 |
++ redir_content = ioapic->redirtbl[index].bits; |
2024 |
++ } |
2025 |
+ |
2026 |
+ result = (ioapic->ioregsel & 0x1) ? |
2027 |
+ (redir_content >> 32) & 0xffffffff : |
2028 |
+@@ -291,6 +293,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) |
2029 |
+ |
2030 |
+ if (index >= IOAPIC_NUM_PINS) |
2031 |
+ return; |
2032 |
++ index = array_index_nospec(index, IOAPIC_NUM_PINS); |
2033 |
+ e = &ioapic->redirtbl[index]; |
2034 |
+ mask_before = e->fields.mask; |
2035 |
+ /* Preserve read-only fields */ |
2036 |
+diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c |
2037 |
+index b29d00b661ff..15728971a430 100644 |
2038 |
+--- a/arch/x86/kvm/lapic.c |
2039 |
++++ b/arch/x86/kvm/lapic.c |
2040 |
+@@ -1926,15 +1926,20 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val) |
2041 |
+ case APIC_LVTTHMR: |
2042 |
+ case APIC_LVTPC: |
2043 |
+ case APIC_LVT1: |
2044 |
+- case APIC_LVTERR: |
2045 |
++ case APIC_LVTERR: { |
2046 |
+ /* TODO: Check vector */ |
2047 |
++ size_t size; |
2048 |
++ u32 index; |
2049 |
++ |
2050 |
+ if (!kvm_apic_sw_enabled(apic)) |
2051 |
+ val |= APIC_LVT_MASKED; |
2052 |
+- |
2053 |
+- val &= apic_lvt_mask[(reg - APIC_LVTT) >> 4]; |
2054 |
++ size = ARRAY_SIZE(apic_lvt_mask); |
2055 |
++ index = array_index_nospec( |
2056 |
++ (reg - APIC_LVTT) >> 4, size); |
2057 |
++ val &= apic_lvt_mask[index]; |
2058 |
+ kvm_lapic_set_reg(apic, reg, val); |
2059 |
+- |
2060 |
+ break; |
2061 |
++ } |
2062 |
+ |
2063 |
+ case APIC_LVTT: |
2064 |
+ if (!kvm_apic_sw_enabled(apic)) |
2065 |
+diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c |
2066 |
+index 2ce9da58611e..518100ea5ef4 100644 |
2067 |
+--- a/arch/x86/kvm/mmu.c |
2068 |
++++ b/arch/x86/kvm/mmu.c |
2069 |
+@@ -418,22 +418,24 @@ static inline bool is_access_track_spte(u64 spte) |
2070 |
+ * requires a full MMU zap). The flag is instead explicitly queried when |
2071 |
+ * checking for MMIO spte cache hits. |
2072 |
+ */ |
2073 |
+-#define MMIO_SPTE_GEN_MASK GENMASK_ULL(18, 0) |
2074 |
++#define MMIO_SPTE_GEN_MASK GENMASK_ULL(17, 0) |
2075 |
+ |
2076 |
+ #define MMIO_SPTE_GEN_LOW_START 3 |
2077 |
+ #define MMIO_SPTE_GEN_LOW_END 11 |
2078 |
+ #define MMIO_SPTE_GEN_LOW_MASK GENMASK_ULL(MMIO_SPTE_GEN_LOW_END, \ |
2079 |
+ MMIO_SPTE_GEN_LOW_START) |
2080 |
+ |
2081 |
+-#define MMIO_SPTE_GEN_HIGH_START 52 |
2082 |
+-#define MMIO_SPTE_GEN_HIGH_END 61 |
2083 |
++#define MMIO_SPTE_GEN_HIGH_START PT64_SECOND_AVAIL_BITS_SHIFT |
2084 |
++#define MMIO_SPTE_GEN_HIGH_END 62 |
2085 |
+ #define MMIO_SPTE_GEN_HIGH_MASK GENMASK_ULL(MMIO_SPTE_GEN_HIGH_END, \ |
2086 |
+ MMIO_SPTE_GEN_HIGH_START) |
2087 |
++ |
2088 |
+ static u64 generation_mmio_spte_mask(u64 gen) |
2089 |
+ { |
2090 |
+ u64 mask; |
2091 |
+ |
2092 |
+ WARN_ON(gen & ~MMIO_SPTE_GEN_MASK); |
2093 |
++ BUILD_BUG_ON((MMIO_SPTE_GEN_HIGH_MASK | MMIO_SPTE_GEN_LOW_MASK) & SPTE_SPECIAL_MASK); |
2094 |
+ |
2095 |
+ mask = (gen << MMIO_SPTE_GEN_LOW_START) & MMIO_SPTE_GEN_LOW_MASK; |
2096 |
+ mask |= (gen << MMIO_SPTE_GEN_HIGH_START) & MMIO_SPTE_GEN_HIGH_MASK; |
2097 |
+@@ -444,8 +446,6 @@ static u64 get_mmio_spte_generation(u64 spte) |
2098 |
+ { |
2099 |
+ u64 gen; |
2100 |
+ |
2101 |
+- spte &= ~shadow_mmio_mask; |
2102 |
+- |
2103 |
+ gen = (spte & MMIO_SPTE_GEN_LOW_MASK) >> MMIO_SPTE_GEN_LOW_START; |
2104 |
+ gen |= (spte & MMIO_SPTE_GEN_HIGH_MASK) >> MMIO_SPTE_GEN_HIGH_START; |
2105 |
+ return gen; |
2106 |
+@@ -538,16 +538,20 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes); |
2107 |
+ static u8 kvm_get_shadow_phys_bits(void) |
2108 |
+ { |
2109 |
+ /* |
2110 |
+- * boot_cpu_data.x86_phys_bits is reduced when MKTME is detected |
2111 |
+- * in CPU detection code, but MKTME treats those reduced bits as |
2112 |
+- * 'keyID' thus they are not reserved bits. Therefore for MKTME |
2113 |
+- * we should still return physical address bits reported by CPUID. |
2114 |
++ * boot_cpu_data.x86_phys_bits is reduced when MKTME or SME are detected |
2115 |
++ * in CPU detection code, but the processor treats those reduced bits as |
2116 |
++ * 'keyID' thus they are not reserved bits. Therefore KVM needs to look at |
2117 |
++ * the physical address bits reported by CPUID. |
2118 |
+ */ |
2119 |
+- if (!boot_cpu_has(X86_FEATURE_TME) || |
2120 |
+- WARN_ON_ONCE(boot_cpu_data.extended_cpuid_level < 0x80000008)) |
2121 |
+- return boot_cpu_data.x86_phys_bits; |
2122 |
++ if (likely(boot_cpu_data.extended_cpuid_level >= 0x80000008)) |
2123 |
++ return cpuid_eax(0x80000008) & 0xff; |
2124 |
+ |
2125 |
+- return cpuid_eax(0x80000008) & 0xff; |
2126 |
++ /* |
2127 |
++ * Quite weird to have VMX or SVM but not MAXPHYADDR; probably a VM with |
2128 |
++ * custom CPUID. Proceed with whatever the kernel found since these features |
2129 |
++ * aren't virtualizable (SME/SEV also require CPUIDs higher than 0x80000008). |
2130 |
++ */ |
2131 |
++ return boot_cpu_data.x86_phys_bits; |
2132 |
+ } |
2133 |
+ |
2134 |
+ static void kvm_mmu_reset_all_pte_masks(void) |
2135 |
+@@ -1282,12 +1286,12 @@ static bool mmu_gfn_lpage_is_disallowed(struct kvm_vcpu *vcpu, gfn_t gfn, |
2136 |
+ return __mmu_gfn_lpage_is_disallowed(gfn, level, slot); |
2137 |
+ } |
2138 |
+ |
2139 |
+-static int host_mapping_level(struct kvm *kvm, gfn_t gfn) |
2140 |
++static int host_mapping_level(struct kvm_vcpu *vcpu, gfn_t gfn) |
2141 |
+ { |
2142 |
+ unsigned long page_size; |
2143 |
+ int i, ret = 0; |
2144 |
+ |
2145 |
+- page_size = kvm_host_page_size(kvm, gfn); |
2146 |
++ page_size = kvm_host_page_size(vcpu, gfn); |
2147 |
+ |
2148 |
+ for (i = PT_PAGE_TABLE_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { |
2149 |
+ if (page_size >= KVM_HPAGE_SIZE(i)) |
2150 |
+@@ -1337,7 +1341,7 @@ static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn, |
2151 |
+ if (unlikely(*force_pt_level)) |
2152 |
+ return PT_PAGE_TABLE_LEVEL; |
2153 |
+ |
2154 |
+- host_level = host_mapping_level(vcpu->kvm, large_gfn); |
2155 |
++ host_level = host_mapping_level(vcpu, large_gfn); |
2156 |
+ |
2157 |
+ if (host_level == PT_PAGE_TABLE_LEVEL) |
2158 |
+ return host_level; |
2159 |
+@@ -3528,7 +3532,7 @@ static bool is_access_allowed(u32 fault_err_code, u64 spte) |
2160 |
+ * - true: let the vcpu to access on the same address again. |
2161 |
+ * - false: let the real page fault path to fix it. |
2162 |
+ */ |
2163 |
+-static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, |
2164 |
++static bool fast_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, int level, |
2165 |
+ u32 error_code) |
2166 |
+ { |
2167 |
+ struct kvm_shadow_walk_iterator iterator; |
2168 |
+@@ -3548,7 +3552,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, |
2169 |
+ do { |
2170 |
+ u64 new_spte; |
2171 |
+ |
2172 |
+- for_each_shadow_entry_lockless(vcpu, gva, iterator, spte) |
2173 |
++ for_each_shadow_entry_lockless(vcpu, cr2_or_gpa, iterator, spte) |
2174 |
+ if (!is_shadow_present_pte(spte) || |
2175 |
+ iterator.level < level) |
2176 |
+ break; |
2177 |
+@@ -3626,7 +3630,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, |
2178 |
+ |
2179 |
+ } while (true); |
2180 |
+ |
2181 |
+- trace_fast_page_fault(vcpu, gva, error_code, iterator.sptep, |
2182 |
++ trace_fast_page_fault(vcpu, cr2_or_gpa, error_code, iterator.sptep, |
2183 |
+ spte, fault_handled); |
2184 |
+ walk_shadow_page_lockless_end(vcpu); |
2185 |
+ |
2186 |
+@@ -3634,10 +3638,11 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, |
2187 |
+ } |
2188 |
+ |
2189 |
+ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, |
2190 |
+- gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable); |
2191 |
++ gpa_t cr2_or_gpa, kvm_pfn_t *pfn, bool write, |
2192 |
++ bool *writable); |
2193 |
+ static int make_mmu_pages_available(struct kvm_vcpu *vcpu); |
2194 |
+ |
2195 |
+-static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code, |
2196 |
++static int nonpaging_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code, |
2197 |
+ gfn_t gfn, bool prefault) |
2198 |
+ { |
2199 |
+ int r; |
2200 |
+@@ -3663,16 +3668,16 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code, |
2201 |
+ gfn &= ~(KVM_PAGES_PER_HPAGE(level) - 1); |
2202 |
+ } |
2203 |
+ |
2204 |
+- if (fast_page_fault(vcpu, v, level, error_code)) |
2205 |
++ if (fast_page_fault(vcpu, gpa, level, error_code)) |
2206 |
+ return RET_PF_RETRY; |
2207 |
+ |
2208 |
+ mmu_seq = vcpu->kvm->mmu_notifier_seq; |
2209 |
+ smp_rmb(); |
2210 |
+ |
2211 |
+- if (try_async_pf(vcpu, prefault, gfn, v, &pfn, write, &map_writable)) |
2212 |
++ if (try_async_pf(vcpu, prefault, gfn, gpa, &pfn, write, &map_writable)) |
2213 |
+ return RET_PF_RETRY; |
2214 |
+ |
2215 |
+- if (handle_abnormal_pfn(vcpu, v, gfn, pfn, ACC_ALL, &r)) |
2216 |
++ if (handle_abnormal_pfn(vcpu, gpa, gfn, pfn, ACC_ALL, &r)) |
2217 |
+ return r; |
2218 |
+ |
2219 |
+ r = RET_PF_RETRY; |
2220 |
+@@ -3683,7 +3688,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code, |
2221 |
+ goto out_unlock; |
2222 |
+ if (likely(!force_pt_level)) |
2223 |
+ transparent_hugepage_adjust(vcpu, gfn, &pfn, &level); |
2224 |
+- r = __direct_map(vcpu, v, write, map_writable, level, pfn, |
2225 |
++ r = __direct_map(vcpu, gpa, write, map_writable, level, pfn, |
2226 |
+ prefault, false); |
2227 |
+ out_unlock: |
2228 |
+ spin_unlock(&vcpu->kvm->mmu_lock); |
2229 |
+@@ -3981,7 +3986,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) |
2230 |
+ } |
2231 |
+ EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots); |
2232 |
+ |
2233 |
+-static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr, |
2234 |
++static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gpa_t vaddr, |
2235 |
+ u32 access, struct x86_exception *exception) |
2236 |
+ { |
2237 |
+ if (exception) |
2238 |
+@@ -3989,7 +3994,7 @@ static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr, |
2239 |
+ return vaddr; |
2240 |
+ } |
2241 |
+ |
2242 |
+-static gpa_t nonpaging_gva_to_gpa_nested(struct kvm_vcpu *vcpu, gva_t vaddr, |
2243 |
++static gpa_t nonpaging_gva_to_gpa_nested(struct kvm_vcpu *vcpu, gpa_t vaddr, |
2244 |
+ u32 access, |
2245 |
+ struct x86_exception *exception) |
2246 |
+ { |
2247 |
+@@ -4149,13 +4154,14 @@ static void shadow_page_table_clear_flood(struct kvm_vcpu *vcpu, gva_t addr) |
2248 |
+ walk_shadow_page_lockless_end(vcpu); |
2249 |
+ } |
2250 |
+ |
2251 |
+-static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva, |
2252 |
++static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, |
2253 |
+ u32 error_code, bool prefault) |
2254 |
+ { |
2255 |
+- gfn_t gfn = gva >> PAGE_SHIFT; |
2256 |
++ gfn_t gfn = gpa >> PAGE_SHIFT; |
2257 |
+ int r; |
2258 |
+ |
2259 |
+- pgprintk("%s: gva %lx error %x\n", __func__, gva, error_code); |
2260 |
++ /* Note, paging is disabled, ergo gva == gpa. */ |
2261 |
++ pgprintk("%s: gva %lx error %x\n", __func__, gpa, error_code); |
2262 |
+ |
2263 |
+ if (page_fault_handle_page_track(vcpu, error_code, gfn)) |
2264 |
+ return RET_PF_EMULATE; |
2265 |
+@@ -4167,11 +4173,12 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva, |
2266 |
+ MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu->root_hpa)); |
2267 |
+ |
2268 |
+ |
2269 |
+- return nonpaging_map(vcpu, gva & PAGE_MASK, |
2270 |
++ return nonpaging_map(vcpu, gpa & PAGE_MASK, |
2271 |
+ error_code, gfn, prefault); |
2272 |
+ } |
2273 |
+ |
2274 |
+-static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn) |
2275 |
++static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
2276 |
++ gfn_t gfn) |
2277 |
+ { |
2278 |
+ struct kvm_arch_async_pf arch; |
2279 |
+ |
2280 |
+@@ -4180,11 +4187,13 @@ static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn) |
2281 |
+ arch.direct_map = vcpu->arch.mmu->direct_map; |
2282 |
+ arch.cr3 = vcpu->arch.mmu->get_cr3(vcpu); |
2283 |
+ |
2284 |
+- return kvm_setup_async_pf(vcpu, gva, kvm_vcpu_gfn_to_hva(vcpu, gfn), &arch); |
2285 |
++ return kvm_setup_async_pf(vcpu, cr2_or_gpa, |
2286 |
++ kvm_vcpu_gfn_to_hva(vcpu, gfn), &arch); |
2287 |
+ } |
2288 |
+ |
2289 |
+ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, |
2290 |
+- gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable) |
2291 |
++ gpa_t cr2_or_gpa, kvm_pfn_t *pfn, bool write, |
2292 |
++ bool *writable) |
2293 |
+ { |
2294 |
+ struct kvm_memory_slot *slot; |
2295 |
+ bool async; |
2296 |
+@@ -4204,12 +4213,12 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, |
2297 |
+ return false; /* *pfn has correct page already */ |
2298 |
+ |
2299 |
+ if (!prefault && kvm_can_do_async_pf(vcpu)) { |
2300 |
+- trace_kvm_try_async_get_page(gva, gfn); |
2301 |
++ trace_kvm_try_async_get_page(cr2_or_gpa, gfn); |
2302 |
+ if (kvm_find_async_pf_gfn(vcpu, gfn)) { |
2303 |
+- trace_kvm_async_pf_doublefault(gva, gfn); |
2304 |
++ trace_kvm_async_pf_doublefault(cr2_or_gpa, gfn); |
2305 |
+ kvm_make_request(KVM_REQ_APF_HALT, vcpu); |
2306 |
+ return true; |
2307 |
+- } else if (kvm_arch_setup_async_pf(vcpu, gva, gfn)) |
2308 |
++ } else if (kvm_arch_setup_async_pf(vcpu, cr2_or_gpa, gfn)) |
2309 |
+ return true; |
2310 |
+ } |
2311 |
+ |
2312 |
+@@ -4222,6 +4231,12 @@ int kvm_handle_page_fault(struct kvm_vcpu *vcpu, u64 error_code, |
2313 |
+ { |
2314 |
+ int r = 1; |
2315 |
+ |
2316 |
++#ifndef CONFIG_X86_64 |
2317 |
++ /* A 64-bit CR2 should be impossible on 32-bit KVM. */ |
2318 |
++ if (WARN_ON_ONCE(fault_address >> 32)) |
2319 |
++ return -EFAULT; |
2320 |
++#endif |
2321 |
++ |
2322 |
+ vcpu->arch.l1tf_flush_l1d = true; |
2323 |
+ switch (vcpu->arch.apf.host_apf_reason) { |
2324 |
+ default: |
2325 |
+@@ -4259,7 +4274,7 @@ check_hugepage_cache_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, int level) |
2326 |
+ return kvm_mtrr_check_gfn_range_consistency(vcpu, gfn, page_num); |
2327 |
+ } |
2328 |
+ |
2329 |
+-static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, |
2330 |
++static int tdp_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code, |
2331 |
+ bool prefault) |
2332 |
+ { |
2333 |
+ kvm_pfn_t pfn; |
2334 |
+@@ -5516,7 +5531,7 @@ static int make_mmu_pages_available(struct kvm_vcpu *vcpu) |
2335 |
+ return 0; |
2336 |
+ } |
2337 |
+ |
2338 |
+-int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, |
2339 |
++int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code, |
2340 |
+ void *insn, int insn_len) |
2341 |
+ { |
2342 |
+ int r, emulation_type = 0; |
2343 |
+@@ -5525,18 +5540,18 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, |
2344 |
+ /* With shadow page tables, fault_address contains a GVA or nGPA. */ |
2345 |
+ if (vcpu->arch.mmu->direct_map) { |
2346 |
+ vcpu->arch.gpa_available = true; |
2347 |
+- vcpu->arch.gpa_val = cr2; |
2348 |
++ vcpu->arch.gpa_val = cr2_or_gpa; |
2349 |
+ } |
2350 |
+ |
2351 |
+ r = RET_PF_INVALID; |
2352 |
+ if (unlikely(error_code & PFERR_RSVD_MASK)) { |
2353 |
+- r = handle_mmio_page_fault(vcpu, cr2, direct); |
2354 |
++ r = handle_mmio_page_fault(vcpu, cr2_or_gpa, direct); |
2355 |
+ if (r == RET_PF_EMULATE) |
2356 |
+ goto emulate; |
2357 |
+ } |
2358 |
+ |
2359 |
+ if (r == RET_PF_INVALID) { |
2360 |
+- r = vcpu->arch.mmu->page_fault(vcpu, cr2, |
2361 |
++ r = vcpu->arch.mmu->page_fault(vcpu, cr2_or_gpa, |
2362 |
+ lower_32_bits(error_code), |
2363 |
+ false); |
2364 |
+ WARN_ON(r == RET_PF_INVALID); |
2365 |
+@@ -5556,7 +5571,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, |
2366 |
+ */ |
2367 |
+ if (vcpu->arch.mmu->direct_map && |
2368 |
+ (error_code & PFERR_NESTED_GUEST_PAGE) == PFERR_NESTED_GUEST_PAGE) { |
2369 |
+- kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(cr2)); |
2370 |
++ kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(cr2_or_gpa)); |
2371 |
+ return 1; |
2372 |
+ } |
2373 |
+ |
2374 |
+@@ -5571,7 +5586,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, |
2375 |
+ * explicitly shadowing L1's page tables, i.e. unprotecting something |
2376 |
+ * for L1 isn't going to magically fix whatever issue cause L2 to fail. |
2377 |
+ */ |
2378 |
+- if (!mmio_info_in_cache(vcpu, cr2, direct) && !is_guest_mode(vcpu)) |
2379 |
++ if (!mmio_info_in_cache(vcpu, cr2_or_gpa, direct) && !is_guest_mode(vcpu)) |
2380 |
+ emulation_type = EMULTYPE_ALLOW_RETRY; |
2381 |
+ emulate: |
2382 |
+ /* |
2383 |
+@@ -5586,7 +5601,7 @@ emulate: |
2384 |
+ return 1; |
2385 |
+ } |
2386 |
+ |
2387 |
+- return x86_emulate_instruction(vcpu, cr2, emulation_type, insn, |
2388 |
++ return x86_emulate_instruction(vcpu, cr2_or_gpa, emulation_type, insn, |
2389 |
+ insn_len); |
2390 |
+ } |
2391 |
+ EXPORT_SYMBOL_GPL(kvm_mmu_page_fault); |
2392 |
+@@ -6249,7 +6264,7 @@ static void kvm_set_mmio_spte_mask(void) |
2393 |
+ * If reserved bit is not supported, clear the present bit to disable |
2394 |
+ * mmio page fault. |
2395 |
+ */ |
2396 |
+- if (IS_ENABLED(CONFIG_X86_64) && shadow_phys_bits == 52) |
2397 |
++ if (shadow_phys_bits == 52) |
2398 |
+ mask &= ~1ull; |
2399 |
+ |
2400 |
+ kvm_mmu_set_mmio_spte_mask(mask, mask, ACC_WRITE_MASK | ACC_USER_MASK); |
2401 |
+diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h |
2402 |
+index 7ca8831c7d1a..3c6522b84ff1 100644 |
2403 |
+--- a/arch/x86/kvm/mmutrace.h |
2404 |
++++ b/arch/x86/kvm/mmutrace.h |
2405 |
+@@ -249,13 +249,13 @@ TRACE_EVENT( |
2406 |
+ |
2407 |
+ TRACE_EVENT( |
2408 |
+ fast_page_fault, |
2409 |
+- TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
2410 |
++ TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
2411 |
+ u64 *sptep, u64 old_spte, bool retry), |
2412 |
+- TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry), |
2413 |
++ TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry), |
2414 |
+ |
2415 |
+ TP_STRUCT__entry( |
2416 |
+ __field(int, vcpu_id) |
2417 |
+- __field(gva_t, gva) |
2418 |
++ __field(gpa_t, cr2_or_gpa) |
2419 |
+ __field(u32, error_code) |
2420 |
+ __field(u64 *, sptep) |
2421 |
+ __field(u64, old_spte) |
2422 |
+@@ -265,7 +265,7 @@ TRACE_EVENT( |
2423 |
+ |
2424 |
+ TP_fast_assign( |
2425 |
+ __entry->vcpu_id = vcpu->vcpu_id; |
2426 |
+- __entry->gva = gva; |
2427 |
++ __entry->cr2_or_gpa = cr2_or_gpa; |
2428 |
+ __entry->error_code = error_code; |
2429 |
+ __entry->sptep = sptep; |
2430 |
+ __entry->old_spte = old_spte; |
2431 |
+@@ -273,9 +273,9 @@ TRACE_EVENT( |
2432 |
+ __entry->retry = retry; |
2433 |
+ ), |
2434 |
+ |
2435 |
+- TP_printk("vcpu %d gva %lx error_code %s sptep %p old %#llx" |
2436 |
++ TP_printk("vcpu %d gva %llx error_code %s sptep %p old %#llx" |
2437 |
+ " new %llx spurious %d fixed %d", __entry->vcpu_id, |
2438 |
+- __entry->gva, __print_flags(__entry->error_code, "|", |
2439 |
++ __entry->cr2_or_gpa, __print_flags(__entry->error_code, "|", |
2440 |
+ kvm_mmu_trace_pferr_flags), __entry->sptep, |
2441 |
+ __entry->old_spte, __entry->new_spte, |
2442 |
+ __spte_satisfied(old_spte), __spte_satisfied(new_spte) |
2443 |
+diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c |
2444 |
+index 25ce3edd1872..7f0059aa30e1 100644 |
2445 |
+--- a/arch/x86/kvm/mtrr.c |
2446 |
++++ b/arch/x86/kvm/mtrr.c |
2447 |
+@@ -192,11 +192,15 @@ static bool fixed_msr_to_seg_unit(u32 msr, int *seg, int *unit) |
2448 |
+ break; |
2449 |
+ case MSR_MTRRfix16K_80000 ... MSR_MTRRfix16K_A0000: |
2450 |
+ *seg = 1; |
2451 |
+- *unit = msr - MSR_MTRRfix16K_80000; |
2452 |
++ *unit = array_index_nospec( |
2453 |
++ msr - MSR_MTRRfix16K_80000, |
2454 |
++ MSR_MTRRfix16K_A0000 - MSR_MTRRfix16K_80000 + 1); |
2455 |
+ break; |
2456 |
+ case MSR_MTRRfix4K_C0000 ... MSR_MTRRfix4K_F8000: |
2457 |
+ *seg = 2; |
2458 |
+- *unit = msr - MSR_MTRRfix4K_C0000; |
2459 |
++ *unit = array_index_nospec( |
2460 |
++ msr - MSR_MTRRfix4K_C0000, |
2461 |
++ MSR_MTRRfix4K_F8000 - MSR_MTRRfix4K_C0000 + 1); |
2462 |
+ break; |
2463 |
+ default: |
2464 |
+ return false; |
2465 |
+diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h |
2466 |
+index 97b21e7fd013..c1d7b866a03f 100644 |
2467 |
+--- a/arch/x86/kvm/paging_tmpl.h |
2468 |
++++ b/arch/x86/kvm/paging_tmpl.h |
2469 |
+@@ -291,11 +291,11 @@ static inline unsigned FNAME(gpte_pkeys)(struct kvm_vcpu *vcpu, u64 gpte) |
2470 |
+ } |
2471 |
+ |
2472 |
+ /* |
2473 |
+- * Fetch a guest pte for a guest virtual address |
2474 |
++ * Fetch a guest pte for a guest virtual address, or for an L2's GPA. |
2475 |
+ */ |
2476 |
+ static int FNAME(walk_addr_generic)(struct guest_walker *walker, |
2477 |
+ struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, |
2478 |
+- gva_t addr, u32 access) |
2479 |
++ gpa_t addr, u32 access) |
2480 |
+ { |
2481 |
+ int ret; |
2482 |
+ pt_element_t pte; |
2483 |
+@@ -496,7 +496,7 @@ error: |
2484 |
+ } |
2485 |
+ |
2486 |
+ static int FNAME(walk_addr)(struct guest_walker *walker, |
2487 |
+- struct kvm_vcpu *vcpu, gva_t addr, u32 access) |
2488 |
++ struct kvm_vcpu *vcpu, gpa_t addr, u32 access) |
2489 |
+ { |
2490 |
+ return FNAME(walk_addr_generic)(walker, vcpu, vcpu->arch.mmu, addr, |
2491 |
+ access); |
2492 |
+@@ -611,7 +611,7 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw, |
2493 |
+ * If the guest tries to write a write-protected page, we need to |
2494 |
+ * emulate this operation, return 1 to indicate this case. |
2495 |
+ */ |
2496 |
+-static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, |
2497 |
++static int FNAME(fetch)(struct kvm_vcpu *vcpu, gpa_t addr, |
2498 |
+ struct guest_walker *gw, |
2499 |
+ int write_fault, int hlevel, |
2500 |
+ kvm_pfn_t pfn, bool map_writable, bool prefault, |
2501 |
+@@ -765,7 +765,7 @@ FNAME(is_self_change_mapping)(struct kvm_vcpu *vcpu, |
2502 |
+ * Returns: 1 if we need to emulate the instruction, 0 otherwise, or |
2503 |
+ * a negative value on error. |
2504 |
+ */ |
2505 |
+-static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code, |
2506 |
++static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gpa_t addr, u32 error_code, |
2507 |
+ bool prefault) |
2508 |
+ { |
2509 |
+ int write_fault = error_code & PFERR_WRITE_MASK; |
2510 |
+@@ -945,18 +945,19 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva, hpa_t root_hpa) |
2511 |
+ spin_unlock(&vcpu->kvm->mmu_lock); |
2512 |
+ } |
2513 |
+ |
2514 |
+-static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr, u32 access, |
2515 |
++/* Note, @addr is a GPA when gva_to_gpa() translates an L2 GPA to an L1 GPA. */ |
2516 |
++static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gpa_t addr, u32 access, |
2517 |
+ struct x86_exception *exception) |
2518 |
+ { |
2519 |
+ struct guest_walker walker; |
2520 |
+ gpa_t gpa = UNMAPPED_GVA; |
2521 |
+ int r; |
2522 |
+ |
2523 |
+- r = FNAME(walk_addr)(&walker, vcpu, vaddr, access); |
2524 |
++ r = FNAME(walk_addr)(&walker, vcpu, addr, access); |
2525 |
+ |
2526 |
+ if (r) { |
2527 |
+ gpa = gfn_to_gpa(walker.gfn); |
2528 |
+- gpa |= vaddr & ~PAGE_MASK; |
2529 |
++ gpa |= addr & ~PAGE_MASK; |
2530 |
+ } else if (exception) |
2531 |
+ *exception = walker.fault; |
2532 |
+ |
2533 |
+@@ -964,7 +965,8 @@ static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr, u32 access, |
2534 |
+ } |
2535 |
+ |
2536 |
+ #if PTTYPE != PTTYPE_EPT |
2537 |
+-static gpa_t FNAME(gva_to_gpa_nested)(struct kvm_vcpu *vcpu, gva_t vaddr, |
2538 |
++/* Note, gva_to_gpa_nested() is only used to translate L2 GVAs. */ |
2539 |
++static gpa_t FNAME(gva_to_gpa_nested)(struct kvm_vcpu *vcpu, gpa_t vaddr, |
2540 |
+ u32 access, |
2541 |
+ struct x86_exception *exception) |
2542 |
+ { |
2543 |
+@@ -972,6 +974,11 @@ static gpa_t FNAME(gva_to_gpa_nested)(struct kvm_vcpu *vcpu, gva_t vaddr, |
2544 |
+ gpa_t gpa = UNMAPPED_GVA; |
2545 |
+ int r; |
2546 |
+ |
2547 |
++#ifndef CONFIG_X86_64 |
2548 |
++ /* A 64-bit GVA should be impossible on 32-bit KVM. */ |
2549 |
++ WARN_ON_ONCE(vaddr >> 32); |
2550 |
++#endif |
2551 |
++ |
2552 |
+ r = FNAME(walk_addr_nested)(&walker, vcpu, vaddr, access); |
2553 |
+ |
2554 |
+ if (r) { |
2555 |
+diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h |
2556 |
+index 58265f761c3b..3fc98afd72a8 100644 |
2557 |
+--- a/arch/x86/kvm/pmu.h |
2558 |
++++ b/arch/x86/kvm/pmu.h |
2559 |
+@@ -2,6 +2,8 @@ |
2560 |
+ #ifndef __KVM_X86_PMU_H |
2561 |
+ #define __KVM_X86_PMU_H |
2562 |
+ |
2563 |
++#include <linux/nospec.h> |
2564 |
++ |
2565 |
+ #define vcpu_to_pmu(vcpu) (&(vcpu)->arch.pmu) |
2566 |
+ #define pmu_to_vcpu(pmu) (container_of((pmu), struct kvm_vcpu, arch.pmu)) |
2567 |
+ #define pmc_to_pmu(pmc) (&(pmc)->vcpu->arch.pmu) |
2568 |
+@@ -86,8 +88,12 @@ static inline bool pmc_is_enabled(struct kvm_pmc *pmc) |
2569 |
+ static inline struct kvm_pmc *get_gp_pmc(struct kvm_pmu *pmu, u32 msr, |
2570 |
+ u32 base) |
2571 |
+ { |
2572 |
+- if (msr >= base && msr < base + pmu->nr_arch_gp_counters) |
2573 |
+- return &pmu->gp_counters[msr - base]; |
2574 |
++ if (msr >= base && msr < base + pmu->nr_arch_gp_counters) { |
2575 |
++ u32 index = array_index_nospec(msr - base, |
2576 |
++ pmu->nr_arch_gp_counters); |
2577 |
++ |
2578 |
++ return &pmu->gp_counters[index]; |
2579 |
++ } |
2580 |
+ |
2581 |
+ return NULL; |
2582 |
+ } |
2583 |
+@@ -97,8 +103,12 @@ static inline struct kvm_pmc *get_fixed_pmc(struct kvm_pmu *pmu, u32 msr) |
2584 |
+ { |
2585 |
+ int base = MSR_CORE_PERF_FIXED_CTR0; |
2586 |
+ |
2587 |
+- if (msr >= base && msr < base + pmu->nr_arch_fixed_counters) |
2588 |
+- return &pmu->fixed_counters[msr - base]; |
2589 |
++ if (msr >= base && msr < base + pmu->nr_arch_fixed_counters) { |
2590 |
++ u32 index = array_index_nospec(msr - base, |
2591 |
++ pmu->nr_arch_fixed_counters); |
2592 |
++ |
2593 |
++ return &pmu->fixed_counters[index]; |
2594 |
++ } |
2595 |
+ |
2596 |
+ return NULL; |
2597 |
+ } |
2598 |
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c |
2599 |
+index c5673bda4b66..8d1be7c61f10 100644 |
2600 |
+--- a/arch/x86/kvm/svm.c |
2601 |
++++ b/arch/x86/kvm/svm.c |
2602 |
+@@ -5986,6 +5986,11 @@ static bool svm_has_wbinvd_exit(void) |
2603 |
+ return true; |
2604 |
+ } |
2605 |
+ |
2606 |
++static bool svm_pku_supported(void) |
2607 |
++{ |
2608 |
++ return false; |
2609 |
++} |
2610 |
++ |
2611 |
+ #define PRE_EX(exit) { .exit_code = (exit), \ |
2612 |
+ .stage = X86_ICPT_PRE_EXCEPT, } |
2613 |
+ #define POST_EX(exit) { .exit_code = (exit), \ |
2614 |
+@@ -7278,6 +7283,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { |
2615 |
+ .xsaves_supported = svm_xsaves_supported, |
2616 |
+ .umip_emulated = svm_umip_emulated, |
2617 |
+ .pt_supported = svm_pt_supported, |
2618 |
++ .pku_supported = svm_pku_supported, |
2619 |
+ |
2620 |
+ .set_supported_cpuid = svm_set_supported_cpuid, |
2621 |
+ |
2622 |
+diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h |
2623 |
+index 7aa69716d516..283bdb7071af 100644 |
2624 |
+--- a/arch/x86/kvm/vmx/capabilities.h |
2625 |
++++ b/arch/x86/kvm/vmx/capabilities.h |
2626 |
+@@ -145,6 +145,11 @@ static inline bool vmx_umip_emulated(void) |
2627 |
+ SECONDARY_EXEC_DESC; |
2628 |
+ } |
2629 |
+ |
2630 |
++static inline bool vmx_pku_supported(void) |
2631 |
++{ |
2632 |
++ return boot_cpu_has(X86_FEATURE_PKU); |
2633 |
++} |
2634 |
++ |
2635 |
+ static inline bool cpu_has_vmx_rdtscp(void) |
2636 |
+ { |
2637 |
+ return vmcs_config.cpu_based_2nd_exec_ctrl & |
2638 |
+diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c |
2639 |
+index d0523741fb03..931d3b5f3acd 100644 |
2640 |
+--- a/arch/x86/kvm/vmx/nested.c |
2641 |
++++ b/arch/x86/kvm/vmx/nested.c |
2642 |
+@@ -4663,8 +4663,10 @@ static int handle_vmread(struct kvm_vcpu *vcpu) |
2643 |
+ vmx_instruction_info, true, len, &gva)) |
2644 |
+ return 1; |
2645 |
+ /* _system ok, nested_vmx_check_permission has verified cpl=0 */ |
2646 |
+- if (kvm_write_guest_virt_system(vcpu, gva, &field_value, len, &e)) |
2647 |
++ if (kvm_write_guest_virt_system(vcpu, gva, &field_value, len, &e)) { |
2648 |
+ kvm_inject_page_fault(vcpu, &e); |
2649 |
++ return 1; |
2650 |
++ } |
2651 |
+ } |
2652 |
+ |
2653 |
+ return nested_vmx_succeed(vcpu); |
2654 |
+diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c |
2655 |
+index 3e9c059099e9..f8998a7bc7d5 100644 |
2656 |
+--- a/arch/x86/kvm/vmx/pmu_intel.c |
2657 |
++++ b/arch/x86/kvm/vmx/pmu_intel.c |
2658 |
+@@ -84,10 +84,14 @@ static unsigned intel_find_arch_event(struct kvm_pmu *pmu, |
2659 |
+ |
2660 |
+ static unsigned intel_find_fixed_event(int idx) |
2661 |
+ { |
2662 |
+- if (idx >= ARRAY_SIZE(fixed_pmc_events)) |
2663 |
++ u32 event; |
2664 |
++ size_t size = ARRAY_SIZE(fixed_pmc_events); |
2665 |
++ |
2666 |
++ if (idx >= size) |
2667 |
+ return PERF_COUNT_HW_MAX; |
2668 |
+ |
2669 |
+- return intel_arch_events[fixed_pmc_events[idx]].event_type; |
2670 |
++ event = fixed_pmc_events[array_index_nospec(idx, size)]; |
2671 |
++ return intel_arch_events[event].event_type; |
2672 |
+ } |
2673 |
+ |
2674 |
+ /* check if a PMC is enabled by comparing it with globl_ctrl bits. */ |
2675 |
+@@ -128,16 +132,20 @@ static struct kvm_pmc *intel_msr_idx_to_pmc(struct kvm_vcpu *vcpu, |
2676 |
+ struct kvm_pmu *pmu = vcpu_to_pmu(vcpu); |
2677 |
+ bool fixed = idx & (1u << 30); |
2678 |
+ struct kvm_pmc *counters; |
2679 |
++ unsigned int num_counters; |
2680 |
+ |
2681 |
+ idx &= ~(3u << 30); |
2682 |
+- if (!fixed && idx >= pmu->nr_arch_gp_counters) |
2683 |
+- return NULL; |
2684 |
+- if (fixed && idx >= pmu->nr_arch_fixed_counters) |
2685 |
++ if (fixed) { |
2686 |
++ counters = pmu->fixed_counters; |
2687 |
++ num_counters = pmu->nr_arch_fixed_counters; |
2688 |
++ } else { |
2689 |
++ counters = pmu->gp_counters; |
2690 |
++ num_counters = pmu->nr_arch_gp_counters; |
2691 |
++ } |
2692 |
++ if (idx >= num_counters) |
2693 |
+ return NULL; |
2694 |
+- counters = fixed ? pmu->fixed_counters : pmu->gp_counters; |
2695 |
+ *mask &= pmu->counter_bitmask[fixed ? KVM_PMC_FIXED : KVM_PMC_GP]; |
2696 |
+- |
2697 |
+- return &counters[idx]; |
2698 |
++ return &counters[array_index_nospec(idx, num_counters)]; |
2699 |
+ } |
2700 |
+ |
2701 |
+ static bool intel_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) |
2702 |
+diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c |
2703 |
+index f09a213fd5cb..dc7c166c4335 100644 |
2704 |
+--- a/arch/x86/kvm/vmx/vmx.c |
2705 |
++++ b/arch/x86/kvm/vmx/vmx.c |
2706 |
+@@ -2140,6 +2140,8 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) |
2707 |
+ (index >= 2 * intel_pt_validate_cap(vmx->pt_desc.caps, |
2708 |
+ PT_CAP_num_address_ranges))) |
2709 |
+ return 1; |
2710 |
++ if (is_noncanonical_address(data, vcpu)) |
2711 |
++ return 1; |
2712 |
+ if (index % 2) |
2713 |
+ vmx->pt_desc.guest.addr_b[index / 2] = data; |
2714 |
+ else |
2715 |
+@@ -7865,6 +7867,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { |
2716 |
+ .xsaves_supported = vmx_xsaves_supported, |
2717 |
+ .umip_emulated = vmx_umip_emulated, |
2718 |
+ .pt_supported = vmx_pt_supported, |
2719 |
++ .pku_supported = vmx_pku_supported, |
2720 |
+ |
2721 |
+ .request_immediate_exit = vmx_request_immediate_exit, |
2722 |
+ |
2723 |
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c |
2724 |
+index 8d82ec0482fc..edde5ee8c6f5 100644 |
2725 |
+--- a/arch/x86/kvm/x86.c |
2726 |
++++ b/arch/x86/kvm/x86.c |
2727 |
+@@ -92,6 +92,8 @@ u64 __read_mostly efer_reserved_bits = ~((u64)(EFER_SCE | EFER_LME | EFER_LMA)); |
2728 |
+ static u64 __read_mostly efer_reserved_bits = ~((u64)EFER_SCE); |
2729 |
+ #endif |
2730 |
+ |
2731 |
++static u64 __read_mostly cr4_reserved_bits = CR4_RESERVED_BITS; |
2732 |
++ |
2733 |
+ #define VM_STAT(x, ...) offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ |
2734 |
+ #define VCPU_STAT(x, ...) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ |
2735 |
+ |
2736 |
+@@ -886,9 +888,38 @@ int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) |
2737 |
+ } |
2738 |
+ EXPORT_SYMBOL_GPL(kvm_set_xcr); |
2739 |
+ |
2740 |
++static u64 kvm_host_cr4_reserved_bits(struct cpuinfo_x86 *c) |
2741 |
++{ |
2742 |
++ u64 reserved_bits = CR4_RESERVED_BITS; |
2743 |
++ |
2744 |
++ if (!cpu_has(c, X86_FEATURE_XSAVE)) |
2745 |
++ reserved_bits |= X86_CR4_OSXSAVE; |
2746 |
++ |
2747 |
++ if (!cpu_has(c, X86_FEATURE_SMEP)) |
2748 |
++ reserved_bits |= X86_CR4_SMEP; |
2749 |
++ |
2750 |
++ if (!cpu_has(c, X86_FEATURE_SMAP)) |
2751 |
++ reserved_bits |= X86_CR4_SMAP; |
2752 |
++ |
2753 |
++ if (!cpu_has(c, X86_FEATURE_FSGSBASE)) |
2754 |
++ reserved_bits |= X86_CR4_FSGSBASE; |
2755 |
++ |
2756 |
++ if (!cpu_has(c, X86_FEATURE_PKU)) |
2757 |
++ reserved_bits |= X86_CR4_PKE; |
2758 |
++ |
2759 |
++ if (!cpu_has(c, X86_FEATURE_LA57) && |
2760 |
++ !(cpuid_ecx(0x7) & bit(X86_FEATURE_LA57))) |
2761 |
++ reserved_bits |= X86_CR4_LA57; |
2762 |
++ |
2763 |
++ if (!cpu_has(c, X86_FEATURE_UMIP) && !kvm_x86_ops->umip_emulated()) |
2764 |
++ reserved_bits |= X86_CR4_UMIP; |
2765 |
++ |
2766 |
++ return reserved_bits; |
2767 |
++} |
2768 |
++ |
2769 |
+ static int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) |
2770 |
+ { |
2771 |
+- if (cr4 & CR4_RESERVED_BITS) |
2772 |
++ if (cr4 & cr4_reserved_bits) |
2773 |
+ return -EINVAL; |
2774 |
+ |
2775 |
+ if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && (cr4 & X86_CR4_OSXSAVE)) |
2776 |
+@@ -1054,9 +1085,11 @@ static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu) |
2777 |
+ |
2778 |
+ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) |
2779 |
+ { |
2780 |
++ size_t size = ARRAY_SIZE(vcpu->arch.db); |
2781 |
++ |
2782 |
+ switch (dr) { |
2783 |
+ case 0 ... 3: |
2784 |
+- vcpu->arch.db[dr] = val; |
2785 |
++ vcpu->arch.db[array_index_nospec(dr, size)] = val; |
2786 |
+ if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) |
2787 |
+ vcpu->arch.eff_db[dr] = val; |
2788 |
+ break; |
2789 |
+@@ -1093,9 +1126,11 @@ EXPORT_SYMBOL_GPL(kvm_set_dr); |
2790 |
+ |
2791 |
+ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val) |
2792 |
+ { |
2793 |
++ size_t size = ARRAY_SIZE(vcpu->arch.db); |
2794 |
++ |
2795 |
+ switch (dr) { |
2796 |
+ case 0 ... 3: |
2797 |
+- *val = vcpu->arch.db[dr]; |
2798 |
++ *val = vcpu->arch.db[array_index_nospec(dr, size)]; |
2799 |
+ break; |
2800 |
+ case 4: |
2801 |
+ /* fall through */ |
2802 |
+@@ -2490,7 +2525,10 @@ static int set_msr_mce(struct kvm_vcpu *vcpu, struct msr_data *msr_info) |
2803 |
+ default: |
2804 |
+ if (msr >= MSR_IA32_MC0_CTL && |
2805 |
+ msr < MSR_IA32_MCx_CTL(bank_num)) { |
2806 |
+- u32 offset = msr - MSR_IA32_MC0_CTL; |
2807 |
++ u32 offset = array_index_nospec( |
2808 |
++ msr - MSR_IA32_MC0_CTL, |
2809 |
++ MSR_IA32_MCx_CTL(bank_num) - MSR_IA32_MC0_CTL); |
2810 |
++ |
2811 |
+ /* only 0 or all 1s can be written to IA32_MCi_CTL |
2812 |
+ * some Linux kernels though clear bit 10 in bank 4 to |
2813 |
+ * workaround a BIOS/GART TBL issue on AMD K8s, ignore |
2814 |
+@@ -2586,45 +2624,47 @@ static void kvm_vcpu_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa) |
2815 |
+ |
2816 |
+ static void record_steal_time(struct kvm_vcpu *vcpu) |
2817 |
+ { |
2818 |
++ struct kvm_host_map map; |
2819 |
++ struct kvm_steal_time *st; |
2820 |
++ |
2821 |
+ if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) |
2822 |
+ return; |
2823 |
+ |
2824 |
+- if (unlikely(kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.st.stime, |
2825 |
+- &vcpu->arch.st.steal, sizeof(struct kvm_steal_time)))) |
2826 |
++ /* -EAGAIN is returned in atomic context so we can just return. */ |
2827 |
++ if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, |
2828 |
++ &map, &vcpu->arch.st.cache, false)) |
2829 |
+ return; |
2830 |
+ |
2831 |
++ st = map.hva + |
2832 |
++ offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); |
2833 |
++ |
2834 |
+ /* |
2835 |
+ * Doing a TLB flush here, on the guest's behalf, can avoid |
2836 |
+ * expensive IPIs. |
2837 |
+ */ |
2838 |
+ trace_kvm_pv_tlb_flush(vcpu->vcpu_id, |
2839 |
+- vcpu->arch.st.steal.preempted & KVM_VCPU_FLUSH_TLB); |
2840 |
+- if (xchg(&vcpu->arch.st.steal.preempted, 0) & KVM_VCPU_FLUSH_TLB) |
2841 |
++ st->preempted & KVM_VCPU_FLUSH_TLB); |
2842 |
++ if (xchg(&st->preempted, 0) & KVM_VCPU_FLUSH_TLB) |
2843 |
+ kvm_vcpu_flush_tlb(vcpu, false); |
2844 |
+ |
2845 |
+- if (vcpu->arch.st.steal.version & 1) |
2846 |
+- vcpu->arch.st.steal.version += 1; /* first time write, random junk */ |
2847 |
++ vcpu->arch.st.preempted = 0; |
2848 |
+ |
2849 |
+- vcpu->arch.st.steal.version += 1; |
2850 |
++ if (st->version & 1) |
2851 |
++ st->version += 1; /* first time write, random junk */ |
2852 |
+ |
2853 |
+- kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.st.stime, |
2854 |
+- &vcpu->arch.st.steal, sizeof(struct kvm_steal_time)); |
2855 |
++ st->version += 1; |
2856 |
+ |
2857 |
+ smp_wmb(); |
2858 |
+ |
2859 |
+- vcpu->arch.st.steal.steal += current->sched_info.run_delay - |
2860 |
++ st->steal += current->sched_info.run_delay - |
2861 |
+ vcpu->arch.st.last_steal; |
2862 |
+ vcpu->arch.st.last_steal = current->sched_info.run_delay; |
2863 |
+ |
2864 |
+- kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.st.stime, |
2865 |
+- &vcpu->arch.st.steal, sizeof(struct kvm_steal_time)); |
2866 |
+- |
2867 |
+ smp_wmb(); |
2868 |
+ |
2869 |
+- vcpu->arch.st.steal.version += 1; |
2870 |
++ st->version += 1; |
2871 |
+ |
2872 |
+- kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.st.stime, |
2873 |
+- &vcpu->arch.st.steal, sizeof(struct kvm_steal_time)); |
2874 |
++ kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, false); |
2875 |
+ } |
2876 |
+ |
2877 |
+ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) |
2878 |
+@@ -2777,11 +2817,6 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) |
2879 |
+ if (data & KVM_STEAL_RESERVED_MASK) |
2880 |
+ return 1; |
2881 |
+ |
2882 |
+- if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.st.stime, |
2883 |
+- data & KVM_STEAL_VALID_BITS, |
2884 |
+- sizeof(struct kvm_steal_time))) |
2885 |
+- return 1; |
2886 |
+- |
2887 |
+ vcpu->arch.st.msr_val = data; |
2888 |
+ |
2889 |
+ if (!(data & KVM_MSR_ENABLED)) |
2890 |
+@@ -2917,7 +2952,10 @@ static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host) |
2891 |
+ default: |
2892 |
+ if (msr >= MSR_IA32_MC0_CTL && |
2893 |
+ msr < MSR_IA32_MCx_CTL(bank_num)) { |
2894 |
+- u32 offset = msr - MSR_IA32_MC0_CTL; |
2895 |
++ u32 offset = array_index_nospec( |
2896 |
++ msr - MSR_IA32_MC0_CTL, |
2897 |
++ MSR_IA32_MCx_CTL(bank_num) - MSR_IA32_MC0_CTL); |
2898 |
++ |
2899 |
+ data = vcpu->arch.mce_banks[offset]; |
2900 |
+ break; |
2901 |
+ } |
2902 |
+@@ -3443,10 +3481,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) |
2903 |
+ |
2904 |
+ kvm_x86_ops->vcpu_load(vcpu, cpu); |
2905 |
+ |
2906 |
+- fpregs_assert_state_consistent(); |
2907 |
+- if (test_thread_flag(TIF_NEED_FPU_LOAD)) |
2908 |
+- switch_fpu_return(); |
2909 |
+- |
2910 |
+ /* Apply any externally detected TSC adjustments (due to suspend) */ |
2911 |
+ if (unlikely(vcpu->arch.tsc_offset_adjustment)) { |
2912 |
+ adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment); |
2913 |
+@@ -3486,15 +3520,25 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) |
2914 |
+ |
2915 |
+ static void kvm_steal_time_set_preempted(struct kvm_vcpu *vcpu) |
2916 |
+ { |
2917 |
++ struct kvm_host_map map; |
2918 |
++ struct kvm_steal_time *st; |
2919 |
++ |
2920 |
+ if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) |
2921 |
+ return; |
2922 |
+ |
2923 |
+- vcpu->arch.st.steal.preempted = KVM_VCPU_PREEMPTED; |
2924 |
++ if (vcpu->arch.st.preempted) |
2925 |
++ return; |
2926 |
++ |
2927 |
++ if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, &map, |
2928 |
++ &vcpu->arch.st.cache, true)) |
2929 |
++ return; |
2930 |
+ |
2931 |
+- kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.st.stime, |
2932 |
+- &vcpu->arch.st.steal.preempted, |
2933 |
+- offsetof(struct kvm_steal_time, preempted), |
2934 |
+- sizeof(vcpu->arch.st.steal.preempted)); |
2935 |
++ st = map.hva + |
2936 |
++ offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); |
2937 |
++ |
2938 |
++ st->preempted = vcpu->arch.st.preempted = KVM_VCPU_PREEMPTED; |
2939 |
++ |
2940 |
++ kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, true); |
2941 |
+ } |
2942 |
+ |
2943 |
+ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) |
2944 |
+@@ -6365,11 +6409,11 @@ static int handle_emulation_failure(struct kvm_vcpu *vcpu, int emulation_type) |
2945 |
+ return 1; |
2946 |
+ } |
2947 |
+ |
2948 |
+-static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2, |
2949 |
++static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
2950 |
+ bool write_fault_to_shadow_pgtable, |
2951 |
+ int emulation_type) |
2952 |
+ { |
2953 |
+- gpa_t gpa = cr2; |
2954 |
++ gpa_t gpa = cr2_or_gpa; |
2955 |
+ kvm_pfn_t pfn; |
2956 |
+ |
2957 |
+ if (!(emulation_type & EMULTYPE_ALLOW_RETRY)) |
2958 |
+@@ -6383,7 +6427,7 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2, |
2959 |
+ * Write permission should be allowed since only |
2960 |
+ * write access need to be emulated. |
2961 |
+ */ |
2962 |
+- gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2, NULL); |
2963 |
++ gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); |
2964 |
+ |
2965 |
+ /* |
2966 |
+ * If the mapping is invalid in guest, let cpu retry |
2967 |
+@@ -6440,10 +6484,10 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2, |
2968 |
+ } |
2969 |
+ |
2970 |
+ static bool retry_instruction(struct x86_emulate_ctxt *ctxt, |
2971 |
+- unsigned long cr2, int emulation_type) |
2972 |
++ gpa_t cr2_or_gpa, int emulation_type) |
2973 |
+ { |
2974 |
+ struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); |
2975 |
+- unsigned long last_retry_eip, last_retry_addr, gpa = cr2; |
2976 |
++ unsigned long last_retry_eip, last_retry_addr, gpa = cr2_or_gpa; |
2977 |
+ |
2978 |
+ last_retry_eip = vcpu->arch.last_retry_eip; |
2979 |
+ last_retry_addr = vcpu->arch.last_retry_addr; |
2980 |
+@@ -6472,14 +6516,14 @@ static bool retry_instruction(struct x86_emulate_ctxt *ctxt, |
2981 |
+ if (x86_page_table_writing_insn(ctxt)) |
2982 |
+ return false; |
2983 |
+ |
2984 |
+- if (ctxt->eip == last_retry_eip && last_retry_addr == cr2) |
2985 |
++ if (ctxt->eip == last_retry_eip && last_retry_addr == cr2_or_gpa) |
2986 |
+ return false; |
2987 |
+ |
2988 |
+ vcpu->arch.last_retry_eip = ctxt->eip; |
2989 |
+- vcpu->arch.last_retry_addr = cr2; |
2990 |
++ vcpu->arch.last_retry_addr = cr2_or_gpa; |
2991 |
+ |
2992 |
+ if (!vcpu->arch.mmu->direct_map) |
2993 |
+- gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2, NULL); |
2994 |
++ gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); |
2995 |
+ |
2996 |
+ kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); |
2997 |
+ |
2998 |
+@@ -6625,11 +6669,8 @@ static bool is_vmware_backdoor_opcode(struct x86_emulate_ctxt *ctxt) |
2999 |
+ return false; |
3000 |
+ } |
3001 |
+ |
3002 |
+-int x86_emulate_instruction(struct kvm_vcpu *vcpu, |
3003 |
+- unsigned long cr2, |
3004 |
+- int emulation_type, |
3005 |
+- void *insn, |
3006 |
+- int insn_len) |
3007 |
++int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
3008 |
++ int emulation_type, void *insn, int insn_len) |
3009 |
+ { |
3010 |
+ int r; |
3011 |
+ struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt; |
3012 |
+@@ -6675,8 +6716,9 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, |
3013 |
+ kvm_queue_exception(vcpu, UD_VECTOR); |
3014 |
+ return 1; |
3015 |
+ } |
3016 |
+- if (reexecute_instruction(vcpu, cr2, write_fault_to_spt, |
3017 |
+- emulation_type)) |
3018 |
++ if (reexecute_instruction(vcpu, cr2_or_gpa, |
3019 |
++ write_fault_to_spt, |
3020 |
++ emulation_type)) |
3021 |
+ return 1; |
3022 |
+ if (ctxt->have_exception) { |
3023 |
+ /* |
3024 |
+@@ -6710,7 +6752,7 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, |
3025 |
+ return 1; |
3026 |
+ } |
3027 |
+ |
3028 |
+- if (retry_instruction(ctxt, cr2, emulation_type)) |
3029 |
++ if (retry_instruction(ctxt, cr2_or_gpa, emulation_type)) |
3030 |
+ return 1; |
3031 |
+ |
3032 |
+ /* this is needed for vmware backdoor interface to work since it |
3033 |
+@@ -6722,7 +6764,7 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, |
3034 |
+ |
3035 |
+ restart: |
3036 |
+ /* Save the faulting GPA (cr2) in the address field */ |
3037 |
+- ctxt->exception.address = cr2; |
3038 |
++ ctxt->exception.address = cr2_or_gpa; |
3039 |
+ |
3040 |
+ r = x86_emulate_insn(ctxt); |
3041 |
+ |
3042 |
+@@ -6730,7 +6772,7 @@ restart: |
3043 |
+ return 1; |
3044 |
+ |
3045 |
+ if (r == EMULATION_FAILED) { |
3046 |
+- if (reexecute_instruction(vcpu, cr2, write_fault_to_spt, |
3047 |
++ if (reexecute_instruction(vcpu, cr2_or_gpa, write_fault_to_spt, |
3048 |
+ emulation_type)) |
3049 |
+ return 1; |
3050 |
+ |
3051 |
+@@ -8172,8 +8214,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) |
3052 |
+ trace_kvm_entry(vcpu->vcpu_id); |
3053 |
+ guest_enter_irqoff(); |
3054 |
+ |
3055 |
+- /* The preempt notifier should have taken care of the FPU already. */ |
3056 |
+- WARN_ON_ONCE(test_thread_flag(TIF_NEED_FPU_LOAD)); |
3057 |
++ fpregs_assert_state_consistent(); |
3058 |
++ if (test_thread_flag(TIF_NEED_FPU_LOAD)) |
3059 |
++ switch_fpu_return(); |
3060 |
+ |
3061 |
+ if (unlikely(vcpu->arch.switch_db_regs)) { |
3062 |
+ set_debugreg(0, 7); |
3063 |
+@@ -8445,12 +8488,26 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) |
3064 |
+ return 0; |
3065 |
+ } |
3066 |
+ |
3067 |
++static void kvm_save_current_fpu(struct fpu *fpu) |
3068 |
++{ |
3069 |
++ /* |
3070 |
++ * If the target FPU state is not resident in the CPU registers, just |
3071 |
++ * memcpy() from current, else save CPU state directly to the target. |
3072 |
++ */ |
3073 |
++ if (test_thread_flag(TIF_NEED_FPU_LOAD)) |
3074 |
++ memcpy(&fpu->state, ¤t->thread.fpu.state, |
3075 |
++ fpu_kernel_xstate_size); |
3076 |
++ else |
3077 |
++ copy_fpregs_to_fpstate(fpu); |
3078 |
++} |
3079 |
++ |
3080 |
+ /* Swap (qemu) user FPU context for the guest FPU context. */ |
3081 |
+ static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) |
3082 |
+ { |
3083 |
+ fpregs_lock(); |
3084 |
+ |
3085 |
+- copy_fpregs_to_fpstate(vcpu->arch.user_fpu); |
3086 |
++ kvm_save_current_fpu(vcpu->arch.user_fpu); |
3087 |
++ |
3088 |
+ /* PKRU is separately restored in kvm_x86_ops->run. */ |
3089 |
+ __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state, |
3090 |
+ ~XFEATURE_MASK_PKRU); |
3091 |
+@@ -8466,7 +8523,8 @@ static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu) |
3092 |
+ { |
3093 |
+ fpregs_lock(); |
3094 |
+ |
3095 |
+- copy_fpregs_to_fpstate(vcpu->arch.guest_fpu); |
3096 |
++ kvm_save_current_fpu(vcpu->arch.guest_fpu); |
3097 |
++ |
3098 |
+ copy_kernel_to_fpregs(&vcpu->arch.user_fpu->state); |
3099 |
+ |
3100 |
+ fpregs_mark_activate(); |
3101 |
+@@ -8688,6 +8746,8 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, |
3102 |
+ struct kvm_mp_state *mp_state) |
3103 |
+ { |
3104 |
+ vcpu_load(vcpu); |
3105 |
++ if (kvm_mpx_supported()) |
3106 |
++ kvm_load_guest_fpu(vcpu); |
3107 |
+ |
3108 |
+ kvm_apic_accept_events(vcpu); |
3109 |
+ if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && |
3110 |
+@@ -8696,6 +8756,8 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, |
3111 |
+ else |
3112 |
+ mp_state->mp_state = vcpu->arch.mp_state; |
3113 |
+ |
3114 |
++ if (kvm_mpx_supported()) |
3115 |
++ kvm_put_guest_fpu(vcpu); |
3116 |
+ vcpu_put(vcpu); |
3117 |
+ return 0; |
3118 |
+ } |
3119 |
+@@ -9055,6 +9117,9 @@ static void fx_init(struct kvm_vcpu *vcpu) |
3120 |
+ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) |
3121 |
+ { |
3122 |
+ void *wbinvd_dirty_mask = vcpu->arch.wbinvd_dirty_mask; |
3123 |
++ struct gfn_to_pfn_cache *cache = &vcpu->arch.st.cache; |
3124 |
++ |
3125 |
++ kvm_release_pfn(cache->pfn, cache->dirty, cache); |
3126 |
+ |
3127 |
+ kvmclock_reset(vcpu); |
3128 |
+ |
3129 |
+@@ -9125,7 +9190,7 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) |
3130 |
+ kvm_mmu_unload(vcpu); |
3131 |
+ vcpu_put(vcpu); |
3132 |
+ |
3133 |
+- kvm_x86_ops->vcpu_free(vcpu); |
3134 |
++ kvm_arch_vcpu_free(vcpu); |
3135 |
+ } |
3136 |
+ |
3137 |
+ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) |
3138 |
+@@ -9317,6 +9382,8 @@ int kvm_arch_hardware_setup(void) |
3139 |
+ if (r != 0) |
3140 |
+ return r; |
3141 |
+ |
3142 |
++ cr4_reserved_bits = kvm_host_cr4_reserved_bits(&boot_cpu_data); |
3143 |
++ |
3144 |
+ if (kvm_has_tsc_control) { |
3145 |
+ /* |
3146 |
+ * Make sure the user can only configure tsc_khz values that |
3147 |
+@@ -9719,11 +9786,18 @@ out_free: |
3148 |
+ |
3149 |
+ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) |
3150 |
+ { |
3151 |
++ struct kvm_vcpu *vcpu; |
3152 |
++ int i; |
3153 |
++ |
3154 |
+ /* |
3155 |
+ * memslots->generation has been incremented. |
3156 |
+ * mmio generation may have reached its maximum value. |
3157 |
+ */ |
3158 |
+ kvm_mmu_invalidate_mmio_sptes(kvm, gen); |
3159 |
++ |
3160 |
++ /* Force re-initialization of steal_time cache */ |
3161 |
++ kvm_for_each_vcpu(i, vcpu, kvm) |
3162 |
++ kvm_vcpu_kick(vcpu); |
3163 |
+ } |
3164 |
+ |
3165 |
+ int kvm_arch_prepare_memory_region(struct kvm *kvm, |
3166 |
+@@ -9975,7 +10049,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) |
3167 |
+ work->arch.cr3 != vcpu->arch.mmu->get_cr3(vcpu)) |
3168 |
+ return; |
3169 |
+ |
3170 |
+- vcpu->arch.mmu->page_fault(vcpu, work->gva, 0, true); |
3171 |
++ vcpu->arch.mmu->page_fault(vcpu, work->cr2_or_gpa, 0, true); |
3172 |
+ } |
3173 |
+ |
3174 |
+ static inline u32 kvm_async_pf_hash_fn(gfn_t gfn) |
3175 |
+@@ -10088,7 +10162,7 @@ void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, |
3176 |
+ { |
3177 |
+ struct x86_exception fault; |
3178 |
+ |
3179 |
+- trace_kvm_async_pf_not_present(work->arch.token, work->gva); |
3180 |
++ trace_kvm_async_pf_not_present(work->arch.token, work->cr2_or_gpa); |
3181 |
+ kvm_add_async_pf_gfn(vcpu, work->arch.gfn); |
3182 |
+ |
3183 |
+ if (kvm_can_deliver_async_pf(vcpu) && |
3184 |
+@@ -10123,7 +10197,7 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, |
3185 |
+ work->arch.token = ~0; /* broadcast wakeup */ |
3186 |
+ else |
3187 |
+ kvm_del_async_pf_gfn(vcpu, work->arch.gfn); |
3188 |
+- trace_kvm_async_pf_ready(work->arch.token, work->gva); |
3189 |
++ trace_kvm_async_pf_ready(work->arch.token, work->cr2_or_gpa); |
3190 |
+ |
3191 |
+ if (vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED && |
3192 |
+ !apf_get_user(vcpu, &val)) { |
3193 |
+diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h |
3194 |
+index dbf7442a822b..de6b55484876 100644 |
3195 |
+--- a/arch/x86/kvm/x86.h |
3196 |
++++ b/arch/x86/kvm/x86.h |
3197 |
+@@ -286,7 +286,7 @@ int kvm_mtrr_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); |
3198 |
+ bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, |
3199 |
+ int page_num); |
3200 |
+ bool kvm_vector_hashing_enabled(void); |
3201 |
+-int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, |
3202 |
++int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
3203 |
+ int emulation_type, void *insn, int insn_len); |
3204 |
+ |
3205 |
+ #define KVM_SUPPORTED_XCR0 (XFEATURE_MASK_FP | XFEATURE_MASK_SSE \ |
3206 |
+diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c |
3207 |
+index 5bfea374a160..6ea215cdeada 100644 |
3208 |
+--- a/arch/x86/xen/enlighten_pv.c |
3209 |
++++ b/arch/x86/xen/enlighten_pv.c |
3210 |
+@@ -1215,6 +1215,7 @@ asmlinkage __visible void __init xen_start_kernel(void) |
3211 |
+ x86_platform.get_nmi_reason = xen_get_nmi_reason; |
3212 |
+ |
3213 |
+ x86_init.resources.memory_setup = xen_memory_setup; |
3214 |
++ x86_init.irqs.intr_mode_select = x86_init_noop; |
3215 |
+ x86_init.irqs.intr_mode_init = x86_init_noop; |
3216 |
+ x86_init.oem.arch_setup = xen_arch_setup; |
3217 |
+ x86_init.oem.banner = xen_banner; |
3218 |
+diff --git a/crypto/algapi.c b/crypto/algapi.c |
3219 |
+index de30ddc952d8..bb8329e49956 100644 |
3220 |
+--- a/crypto/algapi.c |
3221 |
++++ b/crypto/algapi.c |
3222 |
+@@ -257,6 +257,7 @@ void crypto_alg_tested(const char *name, int err) |
3223 |
+ struct crypto_alg *alg; |
3224 |
+ struct crypto_alg *q; |
3225 |
+ LIST_HEAD(list); |
3226 |
++ bool best; |
3227 |
+ |
3228 |
+ down_write(&crypto_alg_sem); |
3229 |
+ list_for_each_entry(q, &crypto_alg_list, cra_list) { |
3230 |
+@@ -280,6 +281,21 @@ found: |
3231 |
+ |
3232 |
+ alg->cra_flags |= CRYPTO_ALG_TESTED; |
3233 |
+ |
3234 |
++ /* Only satisfy larval waiters if we are the best. */ |
3235 |
++ best = true; |
3236 |
++ list_for_each_entry(q, &crypto_alg_list, cra_list) { |
3237 |
++ if (crypto_is_moribund(q) || !crypto_is_larval(q)) |
3238 |
++ continue; |
3239 |
++ |
3240 |
++ if (strcmp(alg->cra_name, q->cra_name)) |
3241 |
++ continue; |
3242 |
++ |
3243 |
++ if (q->cra_priority > alg->cra_priority) { |
3244 |
++ best = false; |
3245 |
++ break; |
3246 |
++ } |
3247 |
++ } |
3248 |
++ |
3249 |
+ list_for_each_entry(q, &crypto_alg_list, cra_list) { |
3250 |
+ if (q == alg) |
3251 |
+ continue; |
3252 |
+@@ -303,10 +319,12 @@ found: |
3253 |
+ continue; |
3254 |
+ if ((q->cra_flags ^ alg->cra_flags) & larval->mask) |
3255 |
+ continue; |
3256 |
+- if (!crypto_mod_get(alg)) |
3257 |
+- continue; |
3258 |
+ |
3259 |
+- larval->adult = alg; |
3260 |
++ if (best && crypto_mod_get(alg)) |
3261 |
++ larval->adult = alg; |
3262 |
++ else |
3263 |
++ larval->adult = ERR_PTR(-EAGAIN); |
3264 |
++ |
3265 |
+ continue; |
3266 |
+ } |
3267 |
+ |
3268 |
+@@ -669,11 +687,9 @@ EXPORT_SYMBOL_GPL(crypto_grab_spawn); |
3269 |
+ |
3270 |
+ void crypto_drop_spawn(struct crypto_spawn *spawn) |
3271 |
+ { |
3272 |
+- if (!spawn->alg) |
3273 |
+- return; |
3274 |
+- |
3275 |
+ down_write(&crypto_alg_sem); |
3276 |
+- list_del(&spawn->list); |
3277 |
++ if (spawn->alg) |
3278 |
++ list_del(&spawn->list); |
3279 |
+ up_write(&crypto_alg_sem); |
3280 |
+ } |
3281 |
+ EXPORT_SYMBOL_GPL(crypto_drop_spawn); |
3282 |
+@@ -681,22 +697,16 @@ EXPORT_SYMBOL_GPL(crypto_drop_spawn); |
3283 |
+ static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn) |
3284 |
+ { |
3285 |
+ struct crypto_alg *alg; |
3286 |
+- struct crypto_alg *alg2; |
3287 |
+ |
3288 |
+ down_read(&crypto_alg_sem); |
3289 |
+ alg = spawn->alg; |
3290 |
+- alg2 = alg; |
3291 |
+- if (alg2) |
3292 |
+- alg2 = crypto_mod_get(alg2); |
3293 |
+- up_read(&crypto_alg_sem); |
3294 |
+- |
3295 |
+- if (!alg2) { |
3296 |
+- if (alg) |
3297 |
+- crypto_shoot_alg(alg); |
3298 |
+- return ERR_PTR(-EAGAIN); |
3299 |
++ if (alg && !crypto_mod_get(alg)) { |
3300 |
++ alg->cra_flags |= CRYPTO_ALG_DYING; |
3301 |
++ alg = NULL; |
3302 |
+ } |
3303 |
++ up_read(&crypto_alg_sem); |
3304 |
+ |
3305 |
+- return alg; |
3306 |
++ return alg ?: ERR_PTR(-EAGAIN); |
3307 |
+ } |
3308 |
+ |
3309 |
+ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type, |
3310 |
+diff --git a/crypto/api.c b/crypto/api.c |
3311 |
+index d8ba54142620..eda0c56b8615 100644 |
3312 |
+--- a/crypto/api.c |
3313 |
++++ b/crypto/api.c |
3314 |
+@@ -97,7 +97,7 @@ static void crypto_larval_destroy(struct crypto_alg *alg) |
3315 |
+ struct crypto_larval *larval = (void *)alg; |
3316 |
+ |
3317 |
+ BUG_ON(!crypto_is_larval(alg)); |
3318 |
+- if (larval->adult) |
3319 |
++ if (!IS_ERR_OR_NULL(larval->adult)) |
3320 |
+ crypto_mod_put(larval->adult); |
3321 |
+ kfree(larval); |
3322 |
+ } |
3323 |
+@@ -178,6 +178,8 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) |
3324 |
+ alg = ERR_PTR(-ETIMEDOUT); |
3325 |
+ else if (!alg) |
3326 |
+ alg = ERR_PTR(-ENOENT); |
3327 |
++ else if (IS_ERR(alg)) |
3328 |
++ ; |
3329 |
+ else if (crypto_is_test_larval(larval) && |
3330 |
+ !(alg->cra_flags & CRYPTO_ALG_TESTED)) |
3331 |
+ alg = ERR_PTR(-EAGAIN); |
3332 |
+@@ -344,13 +346,12 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask) |
3333 |
+ return len; |
3334 |
+ } |
3335 |
+ |
3336 |
+-void crypto_shoot_alg(struct crypto_alg *alg) |
3337 |
++static void crypto_shoot_alg(struct crypto_alg *alg) |
3338 |
+ { |
3339 |
+ down_write(&crypto_alg_sem); |
3340 |
+ alg->cra_flags |= CRYPTO_ALG_DYING; |
3341 |
+ up_write(&crypto_alg_sem); |
3342 |
+ } |
3343 |
+-EXPORT_SYMBOL_GPL(crypto_shoot_alg); |
3344 |
+ |
3345 |
+ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, |
3346 |
+ u32 mask) |
3347 |
+diff --git a/crypto/internal.h b/crypto/internal.h |
3348 |
+index 93df7bec844a..e506a57e2243 100644 |
3349 |
+--- a/crypto/internal.h |
3350 |
++++ b/crypto/internal.h |
3351 |
+@@ -68,7 +68,6 @@ void crypto_alg_tested(const char *name, int err); |
3352 |
+ void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, |
3353 |
+ struct crypto_alg *nalg); |
3354 |
+ void crypto_remove_final(struct list_head *list); |
3355 |
+-void crypto_shoot_alg(struct crypto_alg *alg); |
3356 |
+ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, |
3357 |
+ u32 mask); |
3358 |
+ void *crypto_create_tfm(struct crypto_alg *alg, |
3359 |
+diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c |
3360 |
+index 81bbea7f2ba6..a4f3b3f342c8 100644 |
3361 |
+--- a/crypto/pcrypt.c |
3362 |
++++ b/crypto/pcrypt.c |
3363 |
+@@ -24,6 +24,8 @@ static struct kset *pcrypt_kset; |
3364 |
+ |
3365 |
+ struct pcrypt_instance_ctx { |
3366 |
+ struct crypto_aead_spawn spawn; |
3367 |
++ struct padata_shell *psenc; |
3368 |
++ struct padata_shell *psdec; |
3369 |
+ atomic_t tfm_count; |
3370 |
+ }; |
3371 |
+ |
3372 |
+@@ -32,6 +34,12 @@ struct pcrypt_aead_ctx { |
3373 |
+ unsigned int cb_cpu; |
3374 |
+ }; |
3375 |
+ |
3376 |
++static inline struct pcrypt_instance_ctx *pcrypt_tfm_ictx( |
3377 |
++ struct crypto_aead *tfm) |
3378 |
++{ |
3379 |
++ return aead_instance_ctx(aead_alg_instance(tfm)); |
3380 |
++} |
3381 |
++ |
3382 |
+ static int pcrypt_aead_setkey(struct crypto_aead *parent, |
3383 |
+ const u8 *key, unsigned int keylen) |
3384 |
+ { |
3385 |
+@@ -63,7 +71,6 @@ static void pcrypt_aead_done(struct crypto_async_request *areq, int err) |
3386 |
+ struct padata_priv *padata = pcrypt_request_padata(preq); |
3387 |
+ |
3388 |
+ padata->info = err; |
3389 |
+- req->base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; |
3390 |
+ |
3391 |
+ padata_do_serial(padata); |
3392 |
+ } |
3393 |
+@@ -90,6 +97,9 @@ static int pcrypt_aead_encrypt(struct aead_request *req) |
3394 |
+ struct crypto_aead *aead = crypto_aead_reqtfm(req); |
3395 |
+ struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead); |
3396 |
+ u32 flags = aead_request_flags(req); |
3397 |
++ struct pcrypt_instance_ctx *ictx; |
3398 |
++ |
3399 |
++ ictx = pcrypt_tfm_ictx(aead); |
3400 |
+ |
3401 |
+ memset(padata, 0, sizeof(struct padata_priv)); |
3402 |
+ |
3403 |
+@@ -103,7 +113,7 @@ static int pcrypt_aead_encrypt(struct aead_request *req) |
3404 |
+ req->cryptlen, req->iv); |
3405 |
+ aead_request_set_ad(creq, req->assoclen); |
3406 |
+ |
3407 |
+- err = padata_do_parallel(pencrypt, padata, &ctx->cb_cpu); |
3408 |
++ err = padata_do_parallel(ictx->psenc, padata, &ctx->cb_cpu); |
3409 |
+ if (!err) |
3410 |
+ return -EINPROGRESS; |
3411 |
+ |
3412 |
+@@ -132,6 +142,9 @@ static int pcrypt_aead_decrypt(struct aead_request *req) |
3413 |
+ struct crypto_aead *aead = crypto_aead_reqtfm(req); |
3414 |
+ struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead); |
3415 |
+ u32 flags = aead_request_flags(req); |
3416 |
++ struct pcrypt_instance_ctx *ictx; |
3417 |
++ |
3418 |
++ ictx = pcrypt_tfm_ictx(aead); |
3419 |
+ |
3420 |
+ memset(padata, 0, sizeof(struct padata_priv)); |
3421 |
+ |
3422 |
+@@ -145,7 +158,7 @@ static int pcrypt_aead_decrypt(struct aead_request *req) |
3423 |
+ req->cryptlen, req->iv); |
3424 |
+ aead_request_set_ad(creq, req->assoclen); |
3425 |
+ |
3426 |
+- err = padata_do_parallel(pdecrypt, padata, &ctx->cb_cpu); |
3427 |
++ err = padata_do_parallel(ictx->psdec, padata, &ctx->cb_cpu); |
3428 |
+ if (!err) |
3429 |
+ return -EINPROGRESS; |
3430 |
+ |
3431 |
+@@ -192,6 +205,8 @@ static void pcrypt_free(struct aead_instance *inst) |
3432 |
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst); |
3433 |
+ |
3434 |
+ crypto_drop_aead(&ctx->spawn); |
3435 |
++ padata_free_shell(ctx->psdec); |
3436 |
++ padata_free_shell(ctx->psenc); |
3437 |
+ kfree(inst); |
3438 |
+ } |
3439 |
+ |
3440 |
+@@ -233,12 +248,22 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb, |
3441 |
+ if (!inst) |
3442 |
+ return -ENOMEM; |
3443 |
+ |
3444 |
++ err = -ENOMEM; |
3445 |
++ |
3446 |
+ ctx = aead_instance_ctx(inst); |
3447 |
++ ctx->psenc = padata_alloc_shell(pencrypt); |
3448 |
++ if (!ctx->psenc) |
3449 |
++ goto out_free_inst; |
3450 |
++ |
3451 |
++ ctx->psdec = padata_alloc_shell(pdecrypt); |
3452 |
++ if (!ctx->psdec) |
3453 |
++ goto out_free_psenc; |
3454 |
++ |
3455 |
+ crypto_set_aead_spawn(&ctx->spawn, aead_crypto_instance(inst)); |
3456 |
+ |
3457 |
+ err = crypto_grab_aead(&ctx->spawn, name, 0, 0); |
3458 |
+ if (err) |
3459 |
+- goto out_free_inst; |
3460 |
++ goto out_free_psdec; |
3461 |
+ |
3462 |
+ alg = crypto_spawn_aead_alg(&ctx->spawn); |
3463 |
+ err = pcrypt_init_instance(aead_crypto_instance(inst), &alg->base); |
3464 |
+@@ -271,6 +296,10 @@ out: |
3465 |
+ |
3466 |
+ out_drop_aead: |
3467 |
+ crypto_drop_aead(&ctx->spawn); |
3468 |
++out_free_psdec: |
3469 |
++ padata_free_shell(ctx->psdec); |
3470 |
++out_free_psenc: |
3471 |
++ padata_free_shell(ctx->psenc); |
3472 |
+ out_free_inst: |
3473 |
+ kfree(inst); |
3474 |
+ goto out; |
3475 |
+diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c |
3476 |
+index 558fedf8a7a1..254a7d98b9d4 100644 |
3477 |
+--- a/drivers/acpi/battery.c |
3478 |
++++ b/drivers/acpi/battery.c |
3479 |
+@@ -38,6 +38,8 @@ |
3480 |
+ #define PREFIX "ACPI: " |
3481 |
+ |
3482 |
+ #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF |
3483 |
++#define ACPI_BATTERY_CAPACITY_VALID(capacity) \ |
3484 |
++ ((capacity) != 0 && (capacity) != ACPI_BATTERY_VALUE_UNKNOWN) |
3485 |
+ |
3486 |
+ #define ACPI_BATTERY_DEVICE_NAME "Battery" |
3487 |
+ |
3488 |
+@@ -192,7 +194,8 @@ static int acpi_battery_is_charged(struct acpi_battery *battery) |
3489 |
+ |
3490 |
+ static bool acpi_battery_is_degraded(struct acpi_battery *battery) |
3491 |
+ { |
3492 |
+- return battery->full_charge_capacity && battery->design_capacity && |
3493 |
++ return ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && |
3494 |
++ ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity) && |
3495 |
+ battery->full_charge_capacity < battery->design_capacity; |
3496 |
+ } |
3497 |
+ |
3498 |
+@@ -214,7 +217,7 @@ static int acpi_battery_get_property(struct power_supply *psy, |
3499 |
+ enum power_supply_property psp, |
3500 |
+ union power_supply_propval *val) |
3501 |
+ { |
3502 |
+- int ret = 0; |
3503 |
++ int full_capacity = ACPI_BATTERY_VALUE_UNKNOWN, ret = 0; |
3504 |
+ struct acpi_battery *battery = to_acpi_battery(psy); |
3505 |
+ |
3506 |
+ if (acpi_battery_present(battery)) { |
3507 |
+@@ -263,14 +266,14 @@ static int acpi_battery_get_property(struct power_supply *psy, |
3508 |
+ break; |
3509 |
+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
3510 |
+ case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: |
3511 |
+- if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN) |
3512 |
++ if (!ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) |
3513 |
+ ret = -ENODEV; |
3514 |
+ else |
3515 |
+ val->intval = battery->design_capacity * 1000; |
3516 |
+ break; |
3517 |
+ case POWER_SUPPLY_PROP_CHARGE_FULL: |
3518 |
+ case POWER_SUPPLY_PROP_ENERGY_FULL: |
3519 |
+- if (battery->full_charge_capacity == ACPI_BATTERY_VALUE_UNKNOWN) |
3520 |
++ if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) |
3521 |
+ ret = -ENODEV; |
3522 |
+ else |
3523 |
+ val->intval = battery->full_charge_capacity * 1000; |
3524 |
+@@ -283,11 +286,17 @@ static int acpi_battery_get_property(struct power_supply *psy, |
3525 |
+ val->intval = battery->capacity_now * 1000; |
3526 |
+ break; |
3527 |
+ case POWER_SUPPLY_PROP_CAPACITY: |
3528 |
+- if (battery->capacity_now && battery->full_charge_capacity) |
3529 |
+- val->intval = battery->capacity_now * 100/ |
3530 |
+- battery->full_charge_capacity; |
3531 |
++ if (ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) |
3532 |
++ full_capacity = battery->full_charge_capacity; |
3533 |
++ else if (ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) |
3534 |
++ full_capacity = battery->design_capacity; |
3535 |
++ |
3536 |
++ if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || |
3537 |
++ full_capacity == ACPI_BATTERY_VALUE_UNKNOWN) |
3538 |
++ ret = -ENODEV; |
3539 |
+ else |
3540 |
+- val->intval = 0; |
3541 |
++ val->intval = battery->capacity_now * 100/ |
3542 |
++ full_capacity; |
3543 |
+ break; |
3544 |
+ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: |
3545 |
+ if (battery->state & ACPI_BATTERY_STATE_CRITICAL) |
3546 |
+@@ -333,6 +342,20 @@ static enum power_supply_property charge_battery_props[] = { |
3547 |
+ POWER_SUPPLY_PROP_SERIAL_NUMBER, |
3548 |
+ }; |
3549 |
+ |
3550 |
++static enum power_supply_property charge_battery_full_cap_broken_props[] = { |
3551 |
++ POWER_SUPPLY_PROP_STATUS, |
3552 |
++ POWER_SUPPLY_PROP_PRESENT, |
3553 |
++ POWER_SUPPLY_PROP_TECHNOLOGY, |
3554 |
++ POWER_SUPPLY_PROP_CYCLE_COUNT, |
3555 |
++ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
3556 |
++ POWER_SUPPLY_PROP_VOLTAGE_NOW, |
3557 |
++ POWER_SUPPLY_PROP_CURRENT_NOW, |
3558 |
++ POWER_SUPPLY_PROP_CHARGE_NOW, |
3559 |
++ POWER_SUPPLY_PROP_MODEL_NAME, |
3560 |
++ POWER_SUPPLY_PROP_MANUFACTURER, |
3561 |
++ POWER_SUPPLY_PROP_SERIAL_NUMBER, |
3562 |
++}; |
3563 |
++ |
3564 |
+ static enum power_supply_property energy_battery_props[] = { |
3565 |
+ POWER_SUPPLY_PROP_STATUS, |
3566 |
+ POWER_SUPPLY_PROP_PRESENT, |
3567 |
+@@ -794,20 +817,34 @@ static void __exit battery_hook_exit(void) |
3568 |
+ static int sysfs_add_battery(struct acpi_battery *battery) |
3569 |
+ { |
3570 |
+ struct power_supply_config psy_cfg = { .drv_data = battery, }; |
3571 |
++ bool full_cap_broken = false; |
3572 |
++ |
3573 |
++ if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && |
3574 |
++ !ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) |
3575 |
++ full_cap_broken = true; |
3576 |
+ |
3577 |
+ if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { |
3578 |
+- battery->bat_desc.properties = charge_battery_props; |
3579 |
+- battery->bat_desc.num_properties = |
3580 |
+- ARRAY_SIZE(charge_battery_props); |
3581 |
+- } else if (battery->full_charge_capacity == 0) { |
3582 |
+- battery->bat_desc.properties = |
3583 |
+- energy_battery_full_cap_broken_props; |
3584 |
+- battery->bat_desc.num_properties = |
3585 |
+- ARRAY_SIZE(energy_battery_full_cap_broken_props); |
3586 |
++ if (full_cap_broken) { |
3587 |
++ battery->bat_desc.properties = |
3588 |
++ charge_battery_full_cap_broken_props; |
3589 |
++ battery->bat_desc.num_properties = |
3590 |
++ ARRAY_SIZE(charge_battery_full_cap_broken_props); |
3591 |
++ } else { |
3592 |
++ battery->bat_desc.properties = charge_battery_props; |
3593 |
++ battery->bat_desc.num_properties = |
3594 |
++ ARRAY_SIZE(charge_battery_props); |
3595 |
++ } |
3596 |
+ } else { |
3597 |
+- battery->bat_desc.properties = energy_battery_props; |
3598 |
+- battery->bat_desc.num_properties = |
3599 |
+- ARRAY_SIZE(energy_battery_props); |
3600 |
++ if (full_cap_broken) { |
3601 |
++ battery->bat_desc.properties = |
3602 |
++ energy_battery_full_cap_broken_props; |
3603 |
++ battery->bat_desc.num_properties = |
3604 |
++ ARRAY_SIZE(energy_battery_full_cap_broken_props); |
3605 |
++ } else { |
3606 |
++ battery->bat_desc.properties = energy_battery_props; |
3607 |
++ battery->bat_desc.num_properties = |
3608 |
++ ARRAY_SIZE(energy_battery_props); |
3609 |
++ } |
3610 |
+ } |
3611 |
+ |
3612 |
+ battery->bat_desc.name = acpi_device_bid(battery->device); |
3613 |
+diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c |
3614 |
+index 31014c7d3793..e63fd7bfd3a5 100644 |
3615 |
+--- a/drivers/acpi/video_detect.c |
3616 |
++++ b/drivers/acpi/video_detect.c |
3617 |
+@@ -336,6 +336,11 @@ static const struct dmi_system_id video_detect_dmi_table[] = { |
3618 |
+ DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"), |
3619 |
+ }, |
3620 |
+ }, |
3621 |
++ |
3622 |
++ /* |
3623 |
++ * Desktops which falsely report a backlight and which our heuristics |
3624 |
++ * for this do not catch. |
3625 |
++ */ |
3626 |
+ { |
3627 |
+ .callback = video_detect_force_none, |
3628 |
+ .ident = "Dell OptiPlex 9020M", |
3629 |
+@@ -344,6 +349,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { |
3630 |
+ DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"), |
3631 |
+ }, |
3632 |
+ }, |
3633 |
++ { |
3634 |
++ .callback = video_detect_force_none, |
3635 |
++ .ident = "MSI MS-7721", |
3636 |
++ .matches = { |
3637 |
++ DMI_MATCH(DMI_SYS_VENDOR, "MSI"), |
3638 |
++ DMI_MATCH(DMI_PRODUCT_NAME, "MS-7721"), |
3639 |
++ }, |
3640 |
++ }, |
3641 |
+ { }, |
3642 |
+ }; |
3643 |
+ |
3644 |
+diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c |
3645 |
+index 134a8af51511..0e99a760aebd 100644 |
3646 |
+--- a/drivers/base/power/main.c |
3647 |
++++ b/drivers/base/power/main.c |
3648 |
+@@ -273,10 +273,38 @@ static void dpm_wait_for_suppliers(struct device *dev, bool async) |
3649 |
+ device_links_read_unlock(idx); |
3650 |
+ } |
3651 |
+ |
3652 |
+-static void dpm_wait_for_superior(struct device *dev, bool async) |
3653 |
++static bool dpm_wait_for_superior(struct device *dev, bool async) |
3654 |
+ { |
3655 |
+- dpm_wait(dev->parent, async); |
3656 |
++ struct device *parent; |
3657 |
++ |
3658 |
++ /* |
3659 |
++ * If the device is resumed asynchronously and the parent's callback |
3660 |
++ * deletes both the device and the parent itself, the parent object may |
3661 |
++ * be freed while this function is running, so avoid that by reference |
3662 |
++ * counting the parent once more unless the device has been deleted |
3663 |
++ * already (in which case return right away). |
3664 |
++ */ |
3665 |
++ mutex_lock(&dpm_list_mtx); |
3666 |
++ |
3667 |
++ if (!device_pm_initialized(dev)) { |
3668 |
++ mutex_unlock(&dpm_list_mtx); |
3669 |
++ return false; |
3670 |
++ } |
3671 |
++ |
3672 |
++ parent = get_device(dev->parent); |
3673 |
++ |
3674 |
++ mutex_unlock(&dpm_list_mtx); |
3675 |
++ |
3676 |
++ dpm_wait(parent, async); |
3677 |
++ put_device(parent); |
3678 |
++ |
3679 |
+ dpm_wait_for_suppliers(dev, async); |
3680 |
++ |
3681 |
++ /* |
3682 |
++ * If the parent's callback has deleted the device, attempting to resume |
3683 |
++ * it would be invalid, so avoid doing that then. |
3684 |
++ */ |
3685 |
++ return device_pm_initialized(dev); |
3686 |
+ } |
3687 |
+ |
3688 |
+ static void dpm_wait_for_consumers(struct device *dev, bool async) |
3689 |
+@@ -621,7 +649,8 @@ static int device_resume_noirq(struct device *dev, pm_message_t state, bool asyn |
3690 |
+ if (!dev->power.is_noirq_suspended) |
3691 |
+ goto Out; |
3692 |
+ |
3693 |
+- dpm_wait_for_superior(dev, async); |
3694 |
++ if (!dpm_wait_for_superior(dev, async)) |
3695 |
++ goto Out; |
3696 |
+ |
3697 |
+ skip_resume = dev_pm_may_skip_resume(dev); |
3698 |
+ |
3699 |
+@@ -829,7 +858,8 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn |
3700 |
+ if (!dev->power.is_late_suspended) |
3701 |
+ goto Out; |
3702 |
+ |
3703 |
+- dpm_wait_for_superior(dev, async); |
3704 |
++ if (!dpm_wait_for_superior(dev, async)) |
3705 |
++ goto Out; |
3706 |
+ |
3707 |
+ callback = dpm_subsys_resume_early_cb(dev, state, &info); |
3708 |
+ |
3709 |
+@@ -944,7 +974,9 @@ static int device_resume(struct device *dev, pm_message_t state, bool async) |
3710 |
+ goto Complete; |
3711 |
+ } |
3712 |
+ |
3713 |
+- dpm_wait_for_superior(dev, async); |
3714 |
++ if (!dpm_wait_for_superior(dev, async)) |
3715 |
++ goto Complete; |
3716 |
++ |
3717 |
+ dpm_watchdog_set(&wd, dev); |
3718 |
+ device_lock(dev); |
3719 |
+ |
3720 |
+diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c |
3721 |
+index 4e7ef35f1c8f..9c3b063e1a1f 100644 |
3722 |
+--- a/drivers/bluetooth/btusb.c |
3723 |
++++ b/drivers/bluetooth/btusb.c |
3724 |
+@@ -2850,7 +2850,7 @@ static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) |
3725 |
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); |
3726 |
+ if (err < 0) { |
3727 |
+ bt_dev_err(hdev, "Failed to send wmt rst (%d)", err); |
3728 |
+- return err; |
3729 |
++ goto err_release_fw; |
3730 |
+ } |
3731 |
+ |
3732 |
+ /* Wait a few moments for firmware activation done */ |
3733 |
+@@ -3819,6 +3819,10 @@ static int btusb_probe(struct usb_interface *intf, |
3734 |
+ * (DEVICE_REMOTE_WAKEUP) |
3735 |
+ */ |
3736 |
+ set_bit(BTUSB_WAKEUP_DISABLE, &data->flags); |
3737 |
++ |
3738 |
++ err = usb_autopm_get_interface(intf); |
3739 |
++ if (err < 0) |
3740 |
++ goto out_free_dev; |
3741 |
+ } |
3742 |
+ |
3743 |
+ if (id->driver_info & BTUSB_AMP) { |
3744 |
+diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c |
3745 |
+index 1ed85f120a1b..49b9f2f85bad 100644 |
3746 |
+--- a/drivers/clk/tegra/clk-tegra-periph.c |
3747 |
++++ b/drivers/clk/tegra/clk-tegra-periph.c |
3748 |
+@@ -785,7 +785,11 @@ static struct tegra_periph_init_data gate_clks[] = { |
3749 |
+ GATE("ahbdma", "hclk", 33, 0, tegra_clk_ahbdma, 0), |
3750 |
+ GATE("apbdma", "pclk", 34, 0, tegra_clk_apbdma, 0), |
3751 |
+ GATE("kbc", "clk_32k", 36, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_kbc, 0), |
3752 |
+- GATE("fuse", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse, 0), |
3753 |
++ /* |
3754 |
++ * Critical for RAM re-repair operation, which must occur on resume |
3755 |
++ * from LP1 system suspend and as part of CCPLEX cluster switching. |
3756 |
++ */ |
3757 |
++ GATE("fuse", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse, CLK_IS_CRITICAL), |
3758 |
+ GATE("fuse_burn", "clk_m", 39, TEGRA_PERIPH_ON_APB, tegra_clk_fuse_burn, 0), |
3759 |
+ GATE("kfuse", "clk_m", 40, TEGRA_PERIPH_ON_APB, tegra_clk_kfuse, 0), |
3760 |
+ GATE("apbif", "clk_m", 107, TEGRA_PERIPH_ON_APB, tegra_clk_apbif, 0), |
3761 |
+diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c |
3762 |
+index 8d8da763adc5..8910fd1ae3c6 100644 |
3763 |
+--- a/drivers/cpufreq/cppc_cpufreq.c |
3764 |
++++ b/drivers/cpufreq/cppc_cpufreq.c |
3765 |
+@@ -217,7 +217,7 @@ static int cppc_cpufreq_set_target(struct cpufreq_policy *policy, |
3766 |
+ return ret; |
3767 |
+ } |
3768 |
+ |
3769 |
+-static int cppc_verify_policy(struct cpufreq_policy *policy) |
3770 |
++static int cppc_verify_policy(struct cpufreq_policy_data *policy) |
3771 |
+ { |
3772 |
+ cpufreq_verify_within_cpu_limits(policy); |
3773 |
+ return 0; |
3774 |
+diff --git a/drivers/cpufreq/cpufreq-nforce2.c b/drivers/cpufreq/cpufreq-nforce2.c |
3775 |
+index cd53272e2fa2..f7a7bcf6f52e 100644 |
3776 |
+--- a/drivers/cpufreq/cpufreq-nforce2.c |
3777 |
++++ b/drivers/cpufreq/cpufreq-nforce2.c |
3778 |
+@@ -291,7 +291,7 @@ static int nforce2_target(struct cpufreq_policy *policy, |
3779 |
+ * nforce2_verify - verifies a new CPUFreq policy |
3780 |
+ * @policy: new policy |
3781 |
+ */ |
3782 |
+-static int nforce2_verify(struct cpufreq_policy *policy) |
3783 |
++static int nforce2_verify(struct cpufreq_policy_data *policy) |
3784 |
+ { |
3785 |
+ unsigned int fsb_pol_max; |
3786 |
+ |
3787 |
+diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c |
3788 |
+index a7db4f22a077..7679f8a91745 100644 |
3789 |
+--- a/drivers/cpufreq/cpufreq.c |
3790 |
++++ b/drivers/cpufreq/cpufreq.c |
3791 |
+@@ -74,6 +74,9 @@ static void cpufreq_exit_governor(struct cpufreq_policy *policy); |
3792 |
+ static int cpufreq_start_governor(struct cpufreq_policy *policy); |
3793 |
+ static void cpufreq_stop_governor(struct cpufreq_policy *policy); |
3794 |
+ static void cpufreq_governor_limits(struct cpufreq_policy *policy); |
3795 |
++static int cpufreq_set_policy(struct cpufreq_policy *policy, |
3796 |
++ struct cpufreq_governor *new_gov, |
3797 |
++ unsigned int new_pol); |
3798 |
+ |
3799 |
+ /** |
3800 |
+ * Two notifier lists: the "policy" list is involved in the |
3801 |
+@@ -613,25 +616,22 @@ static struct cpufreq_governor *find_governor(const char *str_governor) |
3802 |
+ return NULL; |
3803 |
+ } |
3804 |
+ |
3805 |
+-static int cpufreq_parse_policy(char *str_governor, |
3806 |
+- struct cpufreq_policy *policy) |
3807 |
++static unsigned int cpufreq_parse_policy(char *str_governor) |
3808 |
+ { |
3809 |
+- if (!strncasecmp(str_governor, "performance", CPUFREQ_NAME_LEN)) { |
3810 |
+- policy->policy = CPUFREQ_POLICY_PERFORMANCE; |
3811 |
+- return 0; |
3812 |
+- } |
3813 |
+- if (!strncasecmp(str_governor, "powersave", CPUFREQ_NAME_LEN)) { |
3814 |
+- policy->policy = CPUFREQ_POLICY_POWERSAVE; |
3815 |
+- return 0; |
3816 |
+- } |
3817 |
+- return -EINVAL; |
3818 |
++ if (!strncasecmp(str_governor, "performance", CPUFREQ_NAME_LEN)) |
3819 |
++ return CPUFREQ_POLICY_PERFORMANCE; |
3820 |
++ |
3821 |
++ if (!strncasecmp(str_governor, "powersave", CPUFREQ_NAME_LEN)) |
3822 |
++ return CPUFREQ_POLICY_POWERSAVE; |
3823 |
++ |
3824 |
++ return CPUFREQ_POLICY_UNKNOWN; |
3825 |
+ } |
3826 |
+ |
3827 |
+ /** |
3828 |
+ * cpufreq_parse_governor - parse a governor string only for has_target() |
3829 |
++ * @str_governor: Governor name. |
3830 |
+ */ |
3831 |
+-static int cpufreq_parse_governor(char *str_governor, |
3832 |
+- struct cpufreq_policy *policy) |
3833 |
++static struct cpufreq_governor *cpufreq_parse_governor(char *str_governor) |
3834 |
+ { |
3835 |
+ struct cpufreq_governor *t; |
3836 |
+ |
3837 |
+@@ -645,7 +645,7 @@ static int cpufreq_parse_governor(char *str_governor, |
3838 |
+ |
3839 |
+ ret = request_module("cpufreq_%s", str_governor); |
3840 |
+ if (ret) |
3841 |
+- return -EINVAL; |
3842 |
++ return NULL; |
3843 |
+ |
3844 |
+ mutex_lock(&cpufreq_governor_mutex); |
3845 |
+ |
3846 |
+@@ -656,12 +656,7 @@ static int cpufreq_parse_governor(char *str_governor, |
3847 |
+ |
3848 |
+ mutex_unlock(&cpufreq_governor_mutex); |
3849 |
+ |
3850 |
+- if (t) { |
3851 |
+- policy->governor = t; |
3852 |
+- return 0; |
3853 |
+- } |
3854 |
+- |
3855 |
+- return -EINVAL; |
3856 |
++ return t; |
3857 |
+ } |
3858 |
+ |
3859 |
+ /** |
3860 |
+@@ -762,28 +757,33 @@ static ssize_t show_scaling_governor(struct cpufreq_policy *policy, char *buf) |
3861 |
+ static ssize_t store_scaling_governor(struct cpufreq_policy *policy, |
3862 |
+ const char *buf, size_t count) |
3863 |
+ { |
3864 |
++ char str_governor[16]; |
3865 |
+ int ret; |
3866 |
+- char str_governor[16]; |
3867 |
+- struct cpufreq_policy new_policy; |
3868 |
+- |
3869 |
+- memcpy(&new_policy, policy, sizeof(*policy)); |
3870 |
+ |
3871 |
+ ret = sscanf(buf, "%15s", str_governor); |
3872 |
+ if (ret != 1) |
3873 |
+ return -EINVAL; |
3874 |
+ |
3875 |
+ if (cpufreq_driver->setpolicy) { |
3876 |
+- if (cpufreq_parse_policy(str_governor, &new_policy)) |
3877 |
++ unsigned int new_pol; |
3878 |
++ |
3879 |
++ new_pol = cpufreq_parse_policy(str_governor); |
3880 |
++ if (!new_pol) |
3881 |
+ return -EINVAL; |
3882 |
++ |
3883 |
++ ret = cpufreq_set_policy(policy, NULL, new_pol); |
3884 |
+ } else { |
3885 |
+- if (cpufreq_parse_governor(str_governor, &new_policy)) |
3886 |
++ struct cpufreq_governor *new_gov; |
3887 |
++ |
3888 |
++ new_gov = cpufreq_parse_governor(str_governor); |
3889 |
++ if (!new_gov) |
3890 |
+ return -EINVAL; |
3891 |
+- } |
3892 |
+ |
3893 |
+- ret = cpufreq_set_policy(policy, &new_policy); |
3894 |
++ ret = cpufreq_set_policy(policy, new_gov, |
3895 |
++ CPUFREQ_POLICY_UNKNOWN); |
3896 |
+ |
3897 |
+- if (new_policy.governor) |
3898 |
+- module_put(new_policy.governor->owner); |
3899 |
++ module_put(new_gov->owner); |
3900 |
++ } |
3901 |
+ |
3902 |
+ return ret ? ret : count; |
3903 |
+ } |
3904 |
+@@ -1050,40 +1050,33 @@ __weak struct cpufreq_governor *cpufreq_default_governor(void) |
3905 |
+ |
3906 |
+ static int cpufreq_init_policy(struct cpufreq_policy *policy) |
3907 |
+ { |
3908 |
+- struct cpufreq_governor *gov = NULL, *def_gov = NULL; |
3909 |
+- struct cpufreq_policy new_policy; |
3910 |
+- |
3911 |
+- memcpy(&new_policy, policy, sizeof(*policy)); |
3912 |
+- |
3913 |
+- def_gov = cpufreq_default_governor(); |
3914 |
++ struct cpufreq_governor *def_gov = cpufreq_default_governor(); |
3915 |
++ struct cpufreq_governor *gov = NULL; |
3916 |
++ unsigned int pol = CPUFREQ_POLICY_UNKNOWN; |
3917 |
+ |
3918 |
+ if (has_target()) { |
3919 |
+- /* |
3920 |
+- * Update governor of new_policy to the governor used before |
3921 |
+- * hotplug |
3922 |
+- */ |
3923 |
++ /* Update policy governor to the one used before hotplug. */ |
3924 |
+ gov = find_governor(policy->last_governor); |
3925 |
+ if (gov) { |
3926 |
+ pr_debug("Restoring governor %s for cpu %d\n", |
3927 |
+- policy->governor->name, policy->cpu); |
3928 |
+- } else { |
3929 |
+- if (!def_gov) |
3930 |
+- return -ENODATA; |
3931 |
++ policy->governor->name, policy->cpu); |
3932 |
++ } else if (def_gov) { |
3933 |
+ gov = def_gov; |
3934 |
++ } else { |
3935 |
++ return -ENODATA; |
3936 |
+ } |
3937 |
+- new_policy.governor = gov; |
3938 |
+ } else { |
3939 |
+ /* Use the default policy if there is no last_policy. */ |
3940 |
+ if (policy->last_policy) { |
3941 |
+- new_policy.policy = policy->last_policy; |
3942 |
++ pol = policy->last_policy; |
3943 |
++ } else if (def_gov) { |
3944 |
++ pol = cpufreq_parse_policy(def_gov->name); |
3945 |
+ } else { |
3946 |
+- if (!def_gov) |
3947 |
+- return -ENODATA; |
3948 |
+- cpufreq_parse_policy(def_gov->name, &new_policy); |
3949 |
++ return -ENODATA; |
3950 |
+ } |
3951 |
+ } |
3952 |
+ |
3953 |
+- return cpufreq_set_policy(policy, &new_policy); |
3954 |
++ return cpufreq_set_policy(policy, gov, pol); |
3955 |
+ } |
3956 |
+ |
3957 |
+ static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy, unsigned int cpu) |
3958 |
+@@ -1111,13 +1104,10 @@ static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy, unsigned int cp |
3959 |
+ |
3960 |
+ void refresh_frequency_limits(struct cpufreq_policy *policy) |
3961 |
+ { |
3962 |
+- struct cpufreq_policy new_policy; |
3963 |
+- |
3964 |
+ if (!policy_is_inactive(policy)) { |
3965 |
+- new_policy = *policy; |
3966 |
+ pr_debug("updating policy for CPU %u\n", policy->cpu); |
3967 |
+ |
3968 |
+- cpufreq_set_policy(policy, &new_policy); |
3969 |
++ cpufreq_set_policy(policy, policy->governor, policy->policy); |
3970 |
+ } |
3971 |
+ } |
3972 |
+ EXPORT_SYMBOL(refresh_frequency_limits); |
3973 |
+@@ -2361,43 +2351,46 @@ EXPORT_SYMBOL(cpufreq_get_policy); |
3974 |
+ /** |
3975 |
+ * cpufreq_set_policy - Modify cpufreq policy parameters. |
3976 |
+ * @policy: Policy object to modify. |
3977 |
+- * @new_policy: New policy data. |
3978 |
++ * @new_gov: Policy governor pointer. |
3979 |
++ * @new_pol: Policy value (for drivers with built-in governors). |
3980 |
+ * |
3981 |
+- * Pass @new_policy to the cpufreq driver's ->verify() callback. Next, copy the |
3982 |
+- * min and max parameters of @new_policy to @policy and either invoke the |
3983 |
+- * driver's ->setpolicy() callback (if present) or carry out a governor update |
3984 |
+- * for @policy. That is, run the current governor's ->limits() callback (if the |
3985 |
+- * governor field in @new_policy points to the same object as the one in |
3986 |
+- * @policy) or replace the governor for @policy with the new one stored in |
3987 |
+- * @new_policy. |
3988 |
++ * Invoke the cpufreq driver's ->verify() callback to sanity-check the frequency |
3989 |
++ * limits to be set for the policy, update @policy with the verified limits |
3990 |
++ * values and either invoke the driver's ->setpolicy() callback (if present) or |
3991 |
++ * carry out a governor update for @policy. That is, run the current governor's |
3992 |
++ * ->limits() callback (if @new_gov points to the same object as the one in |
3993 |
++ * @policy) or replace the governor for @policy with @new_gov. |
3994 |
+ * |
3995 |
+ * The cpuinfo part of @policy is not updated by this function. |
3996 |
+ */ |
3997 |
+-int cpufreq_set_policy(struct cpufreq_policy *policy, |
3998 |
+- struct cpufreq_policy *new_policy) |
3999 |
++static int cpufreq_set_policy(struct cpufreq_policy *policy, |
4000 |
++ struct cpufreq_governor *new_gov, |
4001 |
++ unsigned int new_pol) |
4002 |
+ { |
4003 |
++ struct cpufreq_policy_data new_data; |
4004 |
+ struct cpufreq_governor *old_gov; |
4005 |
+ int ret; |
4006 |
+ |
4007 |
+- pr_debug("setting new policy for CPU %u: %u - %u kHz\n", |
4008 |
+- new_policy->cpu, new_policy->min, new_policy->max); |
4009 |
+- |
4010 |
+- memcpy(&new_policy->cpuinfo, &policy->cpuinfo, sizeof(policy->cpuinfo)); |
4011 |
+- |
4012 |
++ memcpy(&new_data.cpuinfo, &policy->cpuinfo, sizeof(policy->cpuinfo)); |
4013 |
++ new_data.freq_table = policy->freq_table; |
4014 |
++ new_data.cpu = policy->cpu; |
4015 |
+ /* |
4016 |
+ * PM QoS framework collects all the requests from users and provide us |
4017 |
+ * the final aggregated value here. |
4018 |
+ */ |
4019 |
+- new_policy->min = freq_qos_read_value(&policy->constraints, FREQ_QOS_MIN); |
4020 |
+- new_policy->max = freq_qos_read_value(&policy->constraints, FREQ_QOS_MAX); |
4021 |
++ new_data.min = freq_qos_read_value(&policy->constraints, FREQ_QOS_MIN); |
4022 |
++ new_data.max = freq_qos_read_value(&policy->constraints, FREQ_QOS_MAX); |
4023 |
++ |
4024 |
++ pr_debug("setting new policy for CPU %u: %u - %u kHz\n", |
4025 |
++ new_data.cpu, new_data.min, new_data.max); |
4026 |
+ |
4027 |
+ /* verify the cpu speed can be set within this limit */ |
4028 |
+- ret = cpufreq_driver->verify(new_policy); |
4029 |
++ ret = cpufreq_driver->verify(&new_data); |
4030 |
+ if (ret) |
4031 |
+ return ret; |
4032 |
+ |
4033 |
+- policy->min = new_policy->min; |
4034 |
+- policy->max = new_policy->max; |
4035 |
++ policy->min = new_data.min; |
4036 |
++ policy->max = new_data.max; |
4037 |
+ trace_cpu_frequency_limits(policy); |
4038 |
+ |
4039 |
+ policy->cached_target_freq = UINT_MAX; |
4040 |
+@@ -2406,12 +2399,12 @@ int cpufreq_set_policy(struct cpufreq_policy *policy, |
4041 |
+ policy->min, policy->max); |
4042 |
+ |
4043 |
+ if (cpufreq_driver->setpolicy) { |
4044 |
+- policy->policy = new_policy->policy; |
4045 |
++ policy->policy = new_pol; |
4046 |
+ pr_debug("setting range\n"); |
4047 |
+ return cpufreq_driver->setpolicy(policy); |
4048 |
+ } |
4049 |
+ |
4050 |
+- if (new_policy->governor == policy->governor) { |
4051 |
++ if (new_gov == policy->governor) { |
4052 |
+ pr_debug("governor limits update\n"); |
4053 |
+ cpufreq_governor_limits(policy); |
4054 |
+ return 0; |
4055 |
+@@ -2428,7 +2421,7 @@ int cpufreq_set_policy(struct cpufreq_policy *policy, |
4056 |
+ } |
4057 |
+ |
4058 |
+ /* start new governor */ |
4059 |
+- policy->governor = new_policy->governor; |
4060 |
++ policy->governor = new_gov; |
4061 |
+ ret = cpufreq_init_governor(policy); |
4062 |
+ if (!ret) { |
4063 |
+ ret = cpufreq_start_governor(policy); |
4064 |
+diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c |
4065 |
+index ded427e0a488..e117b0059123 100644 |
4066 |
+--- a/drivers/cpufreq/freq_table.c |
4067 |
++++ b/drivers/cpufreq/freq_table.c |
4068 |
+@@ -60,7 +60,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, |
4069 |
+ return 0; |
4070 |
+ } |
4071 |
+ |
4072 |
+-int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, |
4073 |
++int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy, |
4074 |
+ struct cpufreq_frequency_table *table) |
4075 |
+ { |
4076 |
+ struct cpufreq_frequency_table *pos; |
4077 |
+@@ -100,7 +100,7 @@ EXPORT_SYMBOL_GPL(cpufreq_frequency_table_verify); |
4078 |
+ * Generic routine to verify policy & frequency table, requires driver to set |
4079 |
+ * policy->freq_table prior to it. |
4080 |
+ */ |
4081 |
+-int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy) |
4082 |
++int cpufreq_generic_frequency_table_verify(struct cpufreq_policy_data *policy) |
4083 |
+ { |
4084 |
+ if (!policy->freq_table) |
4085 |
+ return -ENODEV; |
4086 |
+diff --git a/drivers/cpufreq/gx-suspmod.c b/drivers/cpufreq/gx-suspmod.c |
4087 |
+index e97b5733aa24..75b3ef7ec679 100644 |
4088 |
+--- a/drivers/cpufreq/gx-suspmod.c |
4089 |
++++ b/drivers/cpufreq/gx-suspmod.c |
4090 |
+@@ -328,7 +328,7 @@ static void gx_set_cpuspeed(struct cpufreq_policy *policy, unsigned int khz) |
4091 |
+ * for the hardware supported by the driver. |
4092 |
+ */ |
4093 |
+ |
4094 |
+-static int cpufreq_gx_verify(struct cpufreq_policy *policy) |
4095 |
++static int cpufreq_gx_verify(struct cpufreq_policy_data *policy) |
4096 |
+ { |
4097 |
+ unsigned int tmp_freq = 0; |
4098 |
+ u8 tmp1, tmp2; |
4099 |
+diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c |
4100 |
+index 8ab31702cf6a..45499e0b9f2f 100644 |
4101 |
+--- a/drivers/cpufreq/intel_pstate.c |
4102 |
++++ b/drivers/cpufreq/intel_pstate.c |
4103 |
+@@ -2036,8 +2036,9 @@ static int intel_pstate_get_max_freq(struct cpudata *cpu) |
4104 |
+ cpu->pstate.max_freq : cpu->pstate.turbo_freq; |
4105 |
+ } |
4106 |
+ |
4107 |
+-static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, |
4108 |
+- struct cpudata *cpu) |
4109 |
++static void intel_pstate_update_perf_limits(struct cpudata *cpu, |
4110 |
++ unsigned int policy_min, |
4111 |
++ unsigned int policy_max) |
4112 |
+ { |
4113 |
+ int max_freq = intel_pstate_get_max_freq(cpu); |
4114 |
+ int32_t max_policy_perf, min_policy_perf; |
4115 |
+@@ -2056,18 +2057,17 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, |
4116 |
+ turbo_max = cpu->pstate.turbo_pstate; |
4117 |
+ } |
4118 |
+ |
4119 |
+- max_policy_perf = max_state * policy->max / max_freq; |
4120 |
+- if (policy->max == policy->min) { |
4121 |
++ max_policy_perf = max_state * policy_max / max_freq; |
4122 |
++ if (policy_max == policy_min) { |
4123 |
+ min_policy_perf = max_policy_perf; |
4124 |
+ } else { |
4125 |
+- min_policy_perf = max_state * policy->min / max_freq; |
4126 |
++ min_policy_perf = max_state * policy_min / max_freq; |
4127 |
+ min_policy_perf = clamp_t(int32_t, min_policy_perf, |
4128 |
+ 0, max_policy_perf); |
4129 |
+ } |
4130 |
+ |
4131 |
+ pr_debug("cpu:%d max_state %d min_policy_perf:%d max_policy_perf:%d\n", |
4132 |
+- policy->cpu, max_state, |
4133 |
+- min_policy_perf, max_policy_perf); |
4134 |
++ cpu->cpu, max_state, min_policy_perf, max_policy_perf); |
4135 |
+ |
4136 |
+ /* Normalize user input to [min_perf, max_perf] */ |
4137 |
+ if (per_cpu_limits) { |
4138 |
+@@ -2081,7 +2081,7 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, |
4139 |
+ global_min = DIV_ROUND_UP(turbo_max * global.min_perf_pct, 100); |
4140 |
+ global_min = clamp_t(int32_t, global_min, 0, global_max); |
4141 |
+ |
4142 |
+- pr_debug("cpu:%d global_min:%d global_max:%d\n", policy->cpu, |
4143 |
++ pr_debug("cpu:%d global_min:%d global_max:%d\n", cpu->cpu, |
4144 |
+ global_min, global_max); |
4145 |
+ |
4146 |
+ cpu->min_perf_ratio = max(min_policy_perf, global_min); |
4147 |
+@@ -2094,7 +2094,7 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, |
4148 |
+ cpu->max_perf_ratio); |
4149 |
+ |
4150 |
+ } |
4151 |
+- pr_debug("cpu:%d max_perf_ratio:%d min_perf_ratio:%d\n", policy->cpu, |
4152 |
++ pr_debug("cpu:%d max_perf_ratio:%d min_perf_ratio:%d\n", cpu->cpu, |
4153 |
+ cpu->max_perf_ratio, |
4154 |
+ cpu->min_perf_ratio); |
4155 |
+ } |
4156 |
+@@ -2114,7 +2114,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) |
4157 |
+ |
4158 |
+ mutex_lock(&intel_pstate_limits_lock); |
4159 |
+ |
4160 |
+- intel_pstate_update_perf_limits(policy, cpu); |
4161 |
++ intel_pstate_update_perf_limits(cpu, policy->min, policy->max); |
4162 |
+ |
4163 |
+ if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) { |
4164 |
+ /* |
4165 |
+@@ -2143,8 +2143,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) |
4166 |
+ return 0; |
4167 |
+ } |
4168 |
+ |
4169 |
+-static void intel_pstate_adjust_policy_max(struct cpufreq_policy *policy, |
4170 |
+- struct cpudata *cpu) |
4171 |
++static void intel_pstate_adjust_policy_max(struct cpudata *cpu, |
4172 |
++ struct cpufreq_policy_data *policy) |
4173 |
+ { |
4174 |
+ if (!hwp_active && |
4175 |
+ cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && |
4176 |
+@@ -2155,7 +2155,7 @@ static void intel_pstate_adjust_policy_max(struct cpufreq_policy *policy, |
4177 |
+ } |
4178 |
+ } |
4179 |
+ |
4180 |
+-static int intel_pstate_verify_policy(struct cpufreq_policy *policy) |
4181 |
++static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) |
4182 |
+ { |
4183 |
+ struct cpudata *cpu = all_cpu_data[policy->cpu]; |
4184 |
+ |
4185 |
+@@ -2163,11 +2163,7 @@ static int intel_pstate_verify_policy(struct cpufreq_policy *policy) |
4186 |
+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, |
4187 |
+ intel_pstate_get_max_freq(cpu)); |
4188 |
+ |
4189 |
+- if (policy->policy != CPUFREQ_POLICY_POWERSAVE && |
4190 |
+- policy->policy != CPUFREQ_POLICY_PERFORMANCE) |
4191 |
+- return -EINVAL; |
4192 |
+- |
4193 |
+- intel_pstate_adjust_policy_max(policy, cpu); |
4194 |
++ intel_pstate_adjust_policy_max(cpu, policy); |
4195 |
+ |
4196 |
+ return 0; |
4197 |
+ } |
4198 |
+@@ -2268,7 +2264,7 @@ static struct cpufreq_driver intel_pstate = { |
4199 |
+ .name = "intel_pstate", |
4200 |
+ }; |
4201 |
+ |
4202 |
+-static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy) |
4203 |
++static int intel_cpufreq_verify_policy(struct cpufreq_policy_data *policy) |
4204 |
+ { |
4205 |
+ struct cpudata *cpu = all_cpu_data[policy->cpu]; |
4206 |
+ |
4207 |
+@@ -2276,9 +2272,9 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy) |
4208 |
+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, |
4209 |
+ intel_pstate_get_max_freq(cpu)); |
4210 |
+ |
4211 |
+- intel_pstate_adjust_policy_max(policy, cpu); |
4212 |
++ intel_pstate_adjust_policy_max(cpu, policy); |
4213 |
+ |
4214 |
+- intel_pstate_update_perf_limits(policy, cpu); |
4215 |
++ intel_pstate_update_perf_limits(cpu, policy->min, policy->max); |
4216 |
+ |
4217 |
+ return 0; |
4218 |
+ } |
4219 |
+diff --git a/drivers/cpufreq/longrun.c b/drivers/cpufreq/longrun.c |
4220 |
+index 64b8689f7a4a..0b08be8bff76 100644 |
4221 |
+--- a/drivers/cpufreq/longrun.c |
4222 |
++++ b/drivers/cpufreq/longrun.c |
4223 |
+@@ -122,7 +122,7 @@ static int longrun_set_policy(struct cpufreq_policy *policy) |
4224 |
+ * Validates a new CPUFreq policy. This function has to be called with |
4225 |
+ * cpufreq_driver locked. |
4226 |
+ */ |
4227 |
+-static int longrun_verify_policy(struct cpufreq_policy *policy) |
4228 |
++static int longrun_verify_policy(struct cpufreq_policy_data *policy) |
4229 |
+ { |
4230 |
+ if (!policy) |
4231 |
+ return -EINVAL; |
4232 |
+@@ -130,10 +130,6 @@ static int longrun_verify_policy(struct cpufreq_policy *policy) |
4233 |
+ policy->cpu = 0; |
4234 |
+ cpufreq_verify_within_cpu_limits(policy); |
4235 |
+ |
4236 |
+- if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) && |
4237 |
+- (policy->policy != CPUFREQ_POLICY_PERFORMANCE)) |
4238 |
+- return -EINVAL; |
4239 |
+- |
4240 |
+ return 0; |
4241 |
+ } |
4242 |
+ |
4243 |
+diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c |
4244 |
+index fdc767fdbe6a..f90273006553 100644 |
4245 |
+--- a/drivers/cpufreq/pcc-cpufreq.c |
4246 |
++++ b/drivers/cpufreq/pcc-cpufreq.c |
4247 |
+@@ -109,7 +109,7 @@ struct pcc_cpu { |
4248 |
+ |
4249 |
+ static struct pcc_cpu __percpu *pcc_cpu_info; |
4250 |
+ |
4251 |
+-static int pcc_cpufreq_verify(struct cpufreq_policy *policy) |
4252 |
++static int pcc_cpufreq_verify(struct cpufreq_policy_data *policy) |
4253 |
+ { |
4254 |
+ cpufreq_verify_within_cpu_limits(policy); |
4255 |
+ return 0; |
4256 |
+diff --git a/drivers/cpufreq/sh-cpufreq.c b/drivers/cpufreq/sh-cpufreq.c |
4257 |
+index 5096c0ab781b..0ac265d47ef0 100644 |
4258 |
+--- a/drivers/cpufreq/sh-cpufreq.c |
4259 |
++++ b/drivers/cpufreq/sh-cpufreq.c |
4260 |
+@@ -87,7 +87,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, |
4261 |
+ return work_on_cpu(policy->cpu, __sh_cpufreq_target, &data); |
4262 |
+ } |
4263 |
+ |
4264 |
+-static int sh_cpufreq_verify(struct cpufreq_policy *policy) |
4265 |
++static int sh_cpufreq_verify(struct cpufreq_policy_data *policy) |
4266 |
+ { |
4267 |
+ struct clk *cpuclk = &per_cpu(sh_cpuclk, policy->cpu); |
4268 |
+ struct cpufreq_frequency_table *freq_table; |
4269 |
+diff --git a/drivers/cpufreq/unicore2-cpufreq.c b/drivers/cpufreq/unicore2-cpufreq.c |
4270 |
+index 707dbc1b7ac8..98d392196df2 100644 |
4271 |
+--- a/drivers/cpufreq/unicore2-cpufreq.c |
4272 |
++++ b/drivers/cpufreq/unicore2-cpufreq.c |
4273 |
+@@ -22,7 +22,7 @@ static struct cpufreq_driver ucv2_driver; |
4274 |
+ /* make sure that only the "userspace" governor is run |
4275 |
+ * -- anything else wouldn't make sense on this platform, anyway. |
4276 |
+ */ |
4277 |
+-static int ucv2_verify_speed(struct cpufreq_policy *policy) |
4278 |
++static int ucv2_verify_speed(struct cpufreq_policy_data *policy) |
4279 |
+ { |
4280 |
+ if (policy->cpu) |
4281 |
+ return -EINVAL; |
4282 |
+diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c |
4283 |
+index db99cee1991c..89f79d763ab8 100644 |
4284 |
+--- a/drivers/crypto/atmel-aes.c |
4285 |
++++ b/drivers/crypto/atmel-aes.c |
4286 |
+@@ -88,7 +88,6 @@ |
4287 |
+ struct atmel_aes_caps { |
4288 |
+ bool has_dualbuff; |
4289 |
+ bool has_cfb64; |
4290 |
+- bool has_ctr32; |
4291 |
+ bool has_gcm; |
4292 |
+ bool has_xts; |
4293 |
+ bool has_authenc; |
4294 |
+@@ -1013,8 +1012,9 @@ static int atmel_aes_ctr_transfer(struct atmel_aes_dev *dd) |
4295 |
+ struct atmel_aes_ctr_ctx *ctx = atmel_aes_ctr_ctx_cast(dd->ctx); |
4296 |
+ struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq); |
4297 |
+ struct scatterlist *src, *dst; |
4298 |
+- u32 ctr, blocks; |
4299 |
+ size_t datalen; |
4300 |
++ u32 ctr; |
4301 |
++ u16 blocks, start, end; |
4302 |
+ bool use_dma, fragmented = false; |
4303 |
+ |
4304 |
+ /* Check for transfer completion. */ |
4305 |
+@@ -1026,27 +1026,17 @@ static int atmel_aes_ctr_transfer(struct atmel_aes_dev *dd) |
4306 |
+ datalen = req->nbytes - ctx->offset; |
4307 |
+ blocks = DIV_ROUND_UP(datalen, AES_BLOCK_SIZE); |
4308 |
+ ctr = be32_to_cpu(ctx->iv[3]); |
4309 |
+- if (dd->caps.has_ctr32) { |
4310 |
+- /* Check 32bit counter overflow. */ |
4311 |
+- u32 start = ctr; |
4312 |
+- u32 end = start + blocks - 1; |
4313 |
+- |
4314 |
+- if (end < start) { |
4315 |
+- ctr |= 0xffffffff; |
4316 |
+- datalen = AES_BLOCK_SIZE * -start; |
4317 |
+- fragmented = true; |
4318 |
+- } |
4319 |
+- } else { |
4320 |
+- /* Check 16bit counter overflow. */ |
4321 |
+- u16 start = ctr & 0xffff; |
4322 |
+- u16 end = start + (u16)blocks - 1; |
4323 |
+- |
4324 |
+- if (blocks >> 16 || end < start) { |
4325 |
+- ctr |= 0xffff; |
4326 |
+- datalen = AES_BLOCK_SIZE * (0x10000-start); |
4327 |
+- fragmented = true; |
4328 |
+- } |
4329 |
++ |
4330 |
++ /* Check 16bit counter overflow. */ |
4331 |
++ start = ctr & 0xffff; |
4332 |
++ end = start + blocks - 1; |
4333 |
++ |
4334 |
++ if (blocks >> 16 || end < start) { |
4335 |
++ ctr |= 0xffff; |
4336 |
++ datalen = AES_BLOCK_SIZE * (0x10000 - start); |
4337 |
++ fragmented = true; |
4338 |
+ } |
4339 |
++ |
4340 |
+ use_dma = (datalen >= ATMEL_AES_DMA_THRESHOLD); |
4341 |
+ |
4342 |
+ /* Jump to offset. */ |
4343 |
+@@ -2550,7 +2540,6 @@ static void atmel_aes_get_cap(struct atmel_aes_dev *dd) |
4344 |
+ { |
4345 |
+ dd->caps.has_dualbuff = 0; |
4346 |
+ dd->caps.has_cfb64 = 0; |
4347 |
+- dd->caps.has_ctr32 = 0; |
4348 |
+ dd->caps.has_gcm = 0; |
4349 |
+ dd->caps.has_xts = 0; |
4350 |
+ dd->caps.has_authenc = 0; |
4351 |
+@@ -2561,7 +2550,6 @@ static void atmel_aes_get_cap(struct atmel_aes_dev *dd) |
4352 |
+ case 0x500: |
4353 |
+ dd->caps.has_dualbuff = 1; |
4354 |
+ dd->caps.has_cfb64 = 1; |
4355 |
+- dd->caps.has_ctr32 = 1; |
4356 |
+ dd->caps.has_gcm = 1; |
4357 |
+ dd->caps.has_xts = 1; |
4358 |
+ dd->caps.has_authenc = 1; |
4359 |
+@@ -2570,7 +2558,6 @@ static void atmel_aes_get_cap(struct atmel_aes_dev *dd) |
4360 |
+ case 0x200: |
4361 |
+ dd->caps.has_dualbuff = 1; |
4362 |
+ dd->caps.has_cfb64 = 1; |
4363 |
+- dd->caps.has_ctr32 = 1; |
4364 |
+ dd->caps.has_gcm = 1; |
4365 |
+ dd->caps.max_burst_size = 4; |
4366 |
+ break; |
4367 |
+diff --git a/drivers/crypto/ccp/ccp-dev-v3.c b/drivers/crypto/ccp/ccp-dev-v3.c |
4368 |
+index 0186b3df4c87..0d5576f6ad21 100644 |
4369 |
+--- a/drivers/crypto/ccp/ccp-dev-v3.c |
4370 |
++++ b/drivers/crypto/ccp/ccp-dev-v3.c |
4371 |
+@@ -586,6 +586,7 @@ const struct ccp_vdata ccpv3_platform = { |
4372 |
+ .setup = NULL, |
4373 |
+ .perform = &ccp3_actions, |
4374 |
+ .offset = 0, |
4375 |
++ .rsamax = CCP_RSA_MAX_WIDTH, |
4376 |
+ }; |
4377 |
+ |
4378 |
+ const struct ccp_vdata ccpv3 = { |
4379 |
+diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c |
4380 |
+index d3e8faa03f15..3d7c8d9e54b9 100644 |
4381 |
+--- a/drivers/crypto/ccree/cc_aead.c |
4382 |
++++ b/drivers/crypto/ccree/cc_aead.c |
4383 |
+@@ -237,7 +237,7 @@ static void cc_aead_complete(struct device *dev, void *cc_req, int err) |
4384 |
+ * revealed the decrypted message --> zero its memory. |
4385 |
+ */ |
4386 |
+ sg_zero_buffer(areq->dst, sg_nents(areq->dst), |
4387 |
+- areq->cryptlen, 0); |
4388 |
++ areq->cryptlen, areq->assoclen); |
4389 |
+ err = -EBADMSG; |
4390 |
+ } |
4391 |
+ /*ENCRYPT*/ |
4392 |
+diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c |
4393 |
+index 254b48797799..cd9c60268bf8 100644 |
4394 |
+--- a/drivers/crypto/ccree/cc_cipher.c |
4395 |
++++ b/drivers/crypto/ccree/cc_cipher.c |
4396 |
+@@ -523,6 +523,7 @@ static void cc_setup_readiv_desc(struct crypto_tfm *tfm, |
4397 |
+ } |
4398 |
+ } |
4399 |
+ |
4400 |
++ |
4401 |
+ static void cc_setup_state_desc(struct crypto_tfm *tfm, |
4402 |
+ struct cipher_req_ctx *req_ctx, |
4403 |
+ unsigned int ivsize, unsigned int nbytes, |
4404 |
+@@ -534,8 +535,6 @@ static void cc_setup_state_desc(struct crypto_tfm *tfm, |
4405 |
+ int cipher_mode = ctx_p->cipher_mode; |
4406 |
+ int flow_mode = ctx_p->flow_mode; |
4407 |
+ int direction = req_ctx->gen_ctx.op_type; |
4408 |
+- dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; |
4409 |
+- unsigned int key_len = ctx_p->keylen; |
4410 |
+ dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; |
4411 |
+ unsigned int du_size = nbytes; |
4412 |
+ |
4413 |
+@@ -570,6 +569,47 @@ static void cc_setup_state_desc(struct crypto_tfm *tfm, |
4414 |
+ break; |
4415 |
+ case DRV_CIPHER_XTS: |
4416 |
+ case DRV_CIPHER_ESSIV: |
4417 |
++ case DRV_CIPHER_BITLOCKER: |
4418 |
++ break; |
4419 |
++ default: |
4420 |
++ dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); |
4421 |
++ } |
4422 |
++} |
4423 |
++ |
4424 |
++ |
4425 |
++static void cc_setup_xex_state_desc(struct crypto_tfm *tfm, |
4426 |
++ struct cipher_req_ctx *req_ctx, |
4427 |
++ unsigned int ivsize, unsigned int nbytes, |
4428 |
++ struct cc_hw_desc desc[], |
4429 |
++ unsigned int *seq_size) |
4430 |
++{ |
4431 |
++ struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); |
4432 |
++ struct device *dev = drvdata_to_dev(ctx_p->drvdata); |
4433 |
++ int cipher_mode = ctx_p->cipher_mode; |
4434 |
++ int flow_mode = ctx_p->flow_mode; |
4435 |
++ int direction = req_ctx->gen_ctx.op_type; |
4436 |
++ dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; |
4437 |
++ unsigned int key_len = ctx_p->keylen; |
4438 |
++ dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; |
4439 |
++ unsigned int du_size = nbytes; |
4440 |
++ |
4441 |
++ struct cc_crypto_alg *cc_alg = |
4442 |
++ container_of(tfm->__crt_alg, struct cc_crypto_alg, |
4443 |
++ skcipher_alg.base); |
4444 |
++ |
4445 |
++ if (cc_alg->data_unit) |
4446 |
++ du_size = cc_alg->data_unit; |
4447 |
++ |
4448 |
++ switch (cipher_mode) { |
4449 |
++ case DRV_CIPHER_ECB: |
4450 |
++ break; |
4451 |
++ case DRV_CIPHER_CBC: |
4452 |
++ case DRV_CIPHER_CBC_CTS: |
4453 |
++ case DRV_CIPHER_CTR: |
4454 |
++ case DRV_CIPHER_OFB: |
4455 |
++ break; |
4456 |
++ case DRV_CIPHER_XTS: |
4457 |
++ case DRV_CIPHER_ESSIV: |
4458 |
+ case DRV_CIPHER_BITLOCKER: |
4459 |
+ /* load XEX key */ |
4460 |
+ hw_desc_init(&desc[*seq_size]); |
4461 |
+@@ -881,12 +921,14 @@ static int cc_cipher_process(struct skcipher_request *req, |
4462 |
+ |
4463 |
+ /* STAT_PHASE_2: Create sequence */ |
4464 |
+ |
4465 |
+- /* Setup IV and XEX key used */ |
4466 |
++ /* Setup state (IV) */ |
4467 |
+ cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); |
4468 |
+ /* Setup MLLI line, if needed */ |
4469 |
+ cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); |
4470 |
+ /* Setup key */ |
4471 |
+ cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len); |
4472 |
++ /* Setup state (IV and XEX key) */ |
4473 |
++ cc_setup_xex_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); |
4474 |
+ /* Data processing */ |
4475 |
+ cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, desc, &seq_len); |
4476 |
+ /* Read next IV */ |
4477 |
+diff --git a/drivers/crypto/ccree/cc_driver.h b/drivers/crypto/ccree/cc_driver.h |
4478 |
+index ab31d4a68c80..7d2f7e2c0bb5 100644 |
4479 |
+--- a/drivers/crypto/ccree/cc_driver.h |
4480 |
++++ b/drivers/crypto/ccree/cc_driver.h |
4481 |
+@@ -161,6 +161,7 @@ struct cc_drvdata { |
4482 |
+ int std_bodies; |
4483 |
+ bool sec_disabled; |
4484 |
+ u32 comp_mask; |
4485 |
++ bool pm_on; |
4486 |
+ }; |
4487 |
+ |
4488 |
+ struct cc_crypto_alg { |
4489 |
+diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c |
4490 |
+index dbc508fb719b..452bd77a9ba0 100644 |
4491 |
+--- a/drivers/crypto/ccree/cc_pm.c |
4492 |
++++ b/drivers/crypto/ccree/cc_pm.c |
4493 |
+@@ -22,14 +22,8 @@ const struct dev_pm_ops ccree_pm = { |
4494 |
+ int cc_pm_suspend(struct device *dev) |
4495 |
+ { |
4496 |
+ struct cc_drvdata *drvdata = dev_get_drvdata(dev); |
4497 |
+- int rc; |
4498 |
+ |
4499 |
+ dev_dbg(dev, "set HOST_POWER_DOWN_EN\n"); |
4500 |
+- rc = cc_suspend_req_queue(drvdata); |
4501 |
+- if (rc) { |
4502 |
+- dev_err(dev, "cc_suspend_req_queue (%x)\n", rc); |
4503 |
+- return rc; |
4504 |
+- } |
4505 |
+ fini_cc_regs(drvdata); |
4506 |
+ cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); |
4507 |
+ cc_clk_off(drvdata); |
4508 |
+@@ -63,13 +57,6 @@ int cc_pm_resume(struct device *dev) |
4509 |
+ /* check if tee fips error occurred during power down */ |
4510 |
+ cc_tee_handle_fips_error(drvdata); |
4511 |
+ |
4512 |
+- rc = cc_resume_req_queue(drvdata); |
4513 |
+- if (rc) { |
4514 |
+- dev_err(dev, "cc_resume_req_queue (%x)\n", rc); |
4515 |
+- return rc; |
4516 |
+- } |
4517 |
+- |
4518 |
+- /* must be after the queue resuming as it uses the HW queue*/ |
4519 |
+ cc_init_hash_sram(drvdata); |
4520 |
+ |
4521 |
+ return 0; |
4522 |
+@@ -80,12 +67,10 @@ int cc_pm_get(struct device *dev) |
4523 |
+ int rc = 0; |
4524 |
+ struct cc_drvdata *drvdata = dev_get_drvdata(dev); |
4525 |
+ |
4526 |
+- if (cc_req_queue_suspended(drvdata)) |
4527 |
++ if (drvdata->pm_on) |
4528 |
+ rc = pm_runtime_get_sync(dev); |
4529 |
+- else |
4530 |
+- pm_runtime_get_noresume(dev); |
4531 |
+ |
4532 |
+- return rc; |
4533 |
++ return (rc == 1 ? 0 : rc); |
4534 |
+ } |
4535 |
+ |
4536 |
+ int cc_pm_put_suspend(struct device *dev) |
4537 |
+@@ -93,14 +78,11 @@ int cc_pm_put_suspend(struct device *dev) |
4538 |
+ int rc = 0; |
4539 |
+ struct cc_drvdata *drvdata = dev_get_drvdata(dev); |
4540 |
+ |
4541 |
+- if (!cc_req_queue_suspended(drvdata)) { |
4542 |
++ if (drvdata->pm_on) { |
4543 |
+ pm_runtime_mark_last_busy(dev); |
4544 |
+ rc = pm_runtime_put_autosuspend(dev); |
4545 |
+- } else { |
4546 |
+- /* Something wrong happens*/ |
4547 |
+- dev_err(dev, "request to suspend already suspended queue"); |
4548 |
+- rc = -EBUSY; |
4549 |
+ } |
4550 |
++ |
4551 |
+ return rc; |
4552 |
+ } |
4553 |
+ |
4554 |
+@@ -117,7 +99,7 @@ int cc_pm_init(struct cc_drvdata *drvdata) |
4555 |
+ /* must be before the enabling to avoid resdundent suspending */ |
4556 |
+ pm_runtime_set_autosuspend_delay(dev, CC_SUSPEND_TIMEOUT); |
4557 |
+ pm_runtime_use_autosuspend(dev); |
4558 |
+- /* activate the PM module */ |
4559 |
++ /* set us as active - note we won't do PM ops until cc_pm_go()! */ |
4560 |
+ return pm_runtime_set_active(dev); |
4561 |
+ } |
4562 |
+ |
4563 |
+@@ -125,9 +107,11 @@ int cc_pm_init(struct cc_drvdata *drvdata) |
4564 |
+ void cc_pm_go(struct cc_drvdata *drvdata) |
4565 |
+ { |
4566 |
+ pm_runtime_enable(drvdata_to_dev(drvdata)); |
4567 |
++ drvdata->pm_on = true; |
4568 |
+ } |
4569 |
+ |
4570 |
+ void cc_pm_fini(struct cc_drvdata *drvdata) |
4571 |
+ { |
4572 |
+ pm_runtime_disable(drvdata_to_dev(drvdata)); |
4573 |
++ drvdata->pm_on = false; |
4574 |
+ } |
4575 |
+diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c |
4576 |
+index a947d5a2cf35..37e6fee37b13 100644 |
4577 |
+--- a/drivers/crypto/ccree/cc_request_mgr.c |
4578 |
++++ b/drivers/crypto/ccree/cc_request_mgr.c |
4579 |
+@@ -41,7 +41,6 @@ struct cc_req_mgr_handle { |
4580 |
+ #else |
4581 |
+ struct tasklet_struct comptask; |
4582 |
+ #endif |
4583 |
+- bool is_runtime_suspended; |
4584 |
+ }; |
4585 |
+ |
4586 |
+ struct cc_bl_item { |
4587 |
+@@ -404,6 +403,7 @@ static void cc_proc_backlog(struct cc_drvdata *drvdata) |
4588 |
+ spin_lock(&mgr->bl_lock); |
4589 |
+ list_del(&bli->list); |
4590 |
+ --mgr->bl_len; |
4591 |
++ kfree(bli); |
4592 |
+ } |
4593 |
+ |
4594 |
+ spin_unlock(&mgr->bl_lock); |
4595 |
+@@ -677,52 +677,3 @@ static void comp_handler(unsigned long devarg) |
4596 |
+ cc_proc_backlog(drvdata); |
4597 |
+ dev_dbg(dev, "Comp. handler done.\n"); |
4598 |
+ } |
4599 |
+- |
4600 |
+-/* |
4601 |
+- * resume the queue configuration - no need to take the lock as this happens |
4602 |
+- * inside the spin lock protection |
4603 |
+- */ |
4604 |
+-#if defined(CONFIG_PM) |
4605 |
+-int cc_resume_req_queue(struct cc_drvdata *drvdata) |
4606 |
+-{ |
4607 |
+- struct cc_req_mgr_handle *request_mgr_handle = |
4608 |
+- drvdata->request_mgr_handle; |
4609 |
+- |
4610 |
+- spin_lock_bh(&request_mgr_handle->hw_lock); |
4611 |
+- request_mgr_handle->is_runtime_suspended = false; |
4612 |
+- spin_unlock_bh(&request_mgr_handle->hw_lock); |
4613 |
+- |
4614 |
+- return 0; |
4615 |
+-} |
4616 |
+- |
4617 |
+-/* |
4618 |
+- * suspend the queue configuration. Since it is used for the runtime suspend |
4619 |
+- * only verify that the queue can be suspended. |
4620 |
+- */ |
4621 |
+-int cc_suspend_req_queue(struct cc_drvdata *drvdata) |
4622 |
+-{ |
4623 |
+- struct cc_req_mgr_handle *request_mgr_handle = |
4624 |
+- drvdata->request_mgr_handle; |
4625 |
+- |
4626 |
+- /* lock the send_request */ |
4627 |
+- spin_lock_bh(&request_mgr_handle->hw_lock); |
4628 |
+- if (request_mgr_handle->req_queue_head != |
4629 |
+- request_mgr_handle->req_queue_tail) { |
4630 |
+- spin_unlock_bh(&request_mgr_handle->hw_lock); |
4631 |
+- return -EBUSY; |
4632 |
+- } |
4633 |
+- request_mgr_handle->is_runtime_suspended = true; |
4634 |
+- spin_unlock_bh(&request_mgr_handle->hw_lock); |
4635 |
+- |
4636 |
+- return 0; |
4637 |
+-} |
4638 |
+- |
4639 |
+-bool cc_req_queue_suspended(struct cc_drvdata *drvdata) |
4640 |
+-{ |
4641 |
+- struct cc_req_mgr_handle *request_mgr_handle = |
4642 |
+- drvdata->request_mgr_handle; |
4643 |
+- |
4644 |
+- return request_mgr_handle->is_runtime_suspended; |
4645 |
+-} |
4646 |
+- |
4647 |
+-#endif |
4648 |
+diff --git a/drivers/crypto/ccree/cc_request_mgr.h b/drivers/crypto/ccree/cc_request_mgr.h |
4649 |
+index f46cf766fe4d..ff7746aaaf35 100644 |
4650 |
+--- a/drivers/crypto/ccree/cc_request_mgr.h |
4651 |
++++ b/drivers/crypto/ccree/cc_request_mgr.h |
4652 |
+@@ -40,12 +40,4 @@ void complete_request(struct cc_drvdata *drvdata); |
4653 |
+ |
4654 |
+ void cc_req_mgr_fini(struct cc_drvdata *drvdata); |
4655 |
+ |
4656 |
+-#if defined(CONFIG_PM) |
4657 |
+-int cc_resume_req_queue(struct cc_drvdata *drvdata); |
4658 |
+- |
4659 |
+-int cc_suspend_req_queue(struct cc_drvdata *drvdata); |
4660 |
+- |
4661 |
+-bool cc_req_queue_suspended(struct cc_drvdata *drvdata); |
4662 |
+-#endif |
4663 |
+- |
4664 |
+ #endif /*__REQUEST_MGR_H__*/ |
4665 |
+diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig |
4666 |
+index 504daff7687d..f7f0a1fb6895 100644 |
4667 |
+--- a/drivers/crypto/hisilicon/Kconfig |
4668 |
++++ b/drivers/crypto/hisilicon/Kconfig |
4669 |
+@@ -35,6 +35,5 @@ config CRYPTO_DEV_HISI_ZIP |
4670 |
+ depends on ARM64 && PCI && PCI_MSI |
4671 |
+ select CRYPTO_DEV_HISI_QM |
4672 |
+ select CRYPTO_HISI_SGL |
4673 |
+- select SG_SPLIT |
4674 |
+ help |
4675 |
+ Support for HiSilicon ZIP Driver |
4676 |
+diff --git a/drivers/crypto/hisilicon/zip/zip.h b/drivers/crypto/hisilicon/zip/zip.h |
4677 |
+index ffb00d987d02..99f21d848d4f 100644 |
4678 |
+--- a/drivers/crypto/hisilicon/zip/zip.h |
4679 |
++++ b/drivers/crypto/hisilicon/zip/zip.h |
4680 |
+@@ -12,6 +12,10 @@ |
4681 |
+ |
4682 |
+ /* hisi_zip_sqe dw3 */ |
4683 |
+ #define HZIP_BD_STATUS_M GENMASK(7, 0) |
4684 |
++/* hisi_zip_sqe dw7 */ |
4685 |
++#define HZIP_IN_SGE_DATA_OFFSET_M GENMASK(23, 0) |
4686 |
++/* hisi_zip_sqe dw8 */ |
4687 |
++#define HZIP_OUT_SGE_DATA_OFFSET_M GENMASK(23, 0) |
4688 |
+ /* hisi_zip_sqe dw9 */ |
4689 |
+ #define HZIP_REQ_TYPE_M GENMASK(7, 0) |
4690 |
+ #define HZIP_ALG_TYPE_ZLIB 0x02 |
4691 |
+diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c |
4692 |
+index 59023545a1c4..cf34bfdfb3e6 100644 |
4693 |
+--- a/drivers/crypto/hisilicon/zip/zip_crypto.c |
4694 |
++++ b/drivers/crypto/hisilicon/zip/zip_crypto.c |
4695 |
+@@ -45,10 +45,8 @@ enum hisi_zip_alg_type { |
4696 |
+ |
4697 |
+ struct hisi_zip_req { |
4698 |
+ struct acomp_req *req; |
4699 |
+- struct scatterlist *src; |
4700 |
+- struct scatterlist *dst; |
4701 |
+- size_t slen; |
4702 |
+- size_t dlen; |
4703 |
++ int sskip; |
4704 |
++ int dskip; |
4705 |
+ struct hisi_acc_hw_sgl *hw_src; |
4706 |
+ struct hisi_acc_hw_sgl *hw_dst; |
4707 |
+ dma_addr_t dma_src; |
4708 |
+@@ -94,13 +92,15 @@ static void hisi_zip_config_tag(struct hisi_zip_sqe *sqe, u32 tag) |
4709 |
+ |
4710 |
+ static void hisi_zip_fill_sqe(struct hisi_zip_sqe *sqe, u8 req_type, |
4711 |
+ dma_addr_t s_addr, dma_addr_t d_addr, u32 slen, |
4712 |
+- u32 dlen) |
4713 |
++ u32 dlen, int sskip, int dskip) |
4714 |
+ { |
4715 |
+ memset(sqe, 0, sizeof(struct hisi_zip_sqe)); |
4716 |
+ |
4717 |
+- sqe->input_data_length = slen; |
4718 |
++ sqe->input_data_length = slen - sskip; |
4719 |
++ sqe->dw7 = FIELD_PREP(HZIP_IN_SGE_DATA_OFFSET_M, sskip); |
4720 |
++ sqe->dw8 = FIELD_PREP(HZIP_OUT_SGE_DATA_OFFSET_M, dskip); |
4721 |
+ sqe->dw9 = FIELD_PREP(HZIP_REQ_TYPE_M, req_type); |
4722 |
+- sqe->dest_avail_out = dlen; |
4723 |
++ sqe->dest_avail_out = dlen - dskip; |
4724 |
+ sqe->source_addr_l = lower_32_bits(s_addr); |
4725 |
+ sqe->source_addr_h = upper_32_bits(s_addr); |
4726 |
+ sqe->dest_addr_l = lower_32_bits(d_addr); |
4727 |
+@@ -301,11 +301,6 @@ static void hisi_zip_remove_req(struct hisi_zip_qp_ctx *qp_ctx, |
4728 |
+ { |
4729 |
+ struct hisi_zip_req_q *req_q = &qp_ctx->req_q; |
4730 |
+ |
4731 |
+- if (qp_ctx->qp->alg_type == HZIP_ALG_TYPE_COMP) |
4732 |
+- kfree(req->dst); |
4733 |
+- else |
4734 |
+- kfree(req->src); |
4735 |
+- |
4736 |
+ write_lock(&req_q->req_lock); |
4737 |
+ clear_bit(req->req_id, req_q->req_bitmap); |
4738 |
+ memset(req, 0, sizeof(struct hisi_zip_req)); |
4739 |
+@@ -333,8 +328,8 @@ static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data) |
4740 |
+ } |
4741 |
+ dlen = sqe->produced; |
4742 |
+ |
4743 |
+- hisi_acc_sg_buf_unmap(dev, req->src, req->hw_src); |
4744 |
+- hisi_acc_sg_buf_unmap(dev, req->dst, req->hw_dst); |
4745 |
++ hisi_acc_sg_buf_unmap(dev, acomp_req->src, req->hw_src); |
4746 |
++ hisi_acc_sg_buf_unmap(dev, acomp_req->dst, req->hw_dst); |
4747 |
+ |
4748 |
+ head_size = (qp->alg_type == 0) ? TO_HEAD_SIZE(qp->req_type) : 0; |
4749 |
+ acomp_req->dlen = dlen + head_size; |
4750 |
+@@ -428,20 +423,6 @@ static size_t get_comp_head_size(struct scatterlist *src, u8 req_type) |
4751 |
+ } |
4752 |
+ } |
4753 |
+ |
4754 |
+-static int get_sg_skip_bytes(struct scatterlist *sgl, size_t bytes, |
4755 |
+- size_t remains, struct scatterlist **out) |
4756 |
+-{ |
4757 |
+-#define SPLIT_NUM 2 |
4758 |
+- size_t split_sizes[SPLIT_NUM]; |
4759 |
+- int out_mapped_nents[SPLIT_NUM]; |
4760 |
+- |
4761 |
+- split_sizes[0] = bytes; |
4762 |
+- split_sizes[1] = remains; |
4763 |
+- |
4764 |
+- return sg_split(sgl, 0, 0, SPLIT_NUM, split_sizes, out, |
4765 |
+- out_mapped_nents, GFP_KERNEL); |
4766 |
+-} |
4767 |
+- |
4768 |
+ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, |
4769 |
+ struct hisi_zip_qp_ctx *qp_ctx, |
4770 |
+ size_t head_size, bool is_comp) |
4771 |
+@@ -449,31 +430,7 @@ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, |
4772 |
+ struct hisi_zip_req_q *req_q = &qp_ctx->req_q; |
4773 |
+ struct hisi_zip_req *q = req_q->q; |
4774 |
+ struct hisi_zip_req *req_cache; |
4775 |
+- struct scatterlist *out[2]; |
4776 |
+- struct scatterlist *sgl; |
4777 |
+- size_t len; |
4778 |
+- int ret, req_id; |
4779 |
+- |
4780 |
+- /* |
4781 |
+- * remove/add zlib/gzip head, as hardware operations do not include |
4782 |
+- * comp head. so split req->src to get sgl without heads in acomp, or |
4783 |
+- * add comp head to req->dst ahead of that hardware output compressed |
4784 |
+- * data in sgl splited from req->dst without comp head. |
4785 |
+- */ |
4786 |
+- if (is_comp) { |
4787 |
+- sgl = req->dst; |
4788 |
+- len = req->dlen - head_size; |
4789 |
+- } else { |
4790 |
+- sgl = req->src; |
4791 |
+- len = req->slen - head_size; |
4792 |
+- } |
4793 |
+- |
4794 |
+- ret = get_sg_skip_bytes(sgl, head_size, len, out); |
4795 |
+- if (ret) |
4796 |
+- return ERR_PTR(ret); |
4797 |
+- |
4798 |
+- /* sgl for comp head is useless, so free it now */ |
4799 |
+- kfree(out[0]); |
4800 |
++ int req_id; |
4801 |
+ |
4802 |
+ write_lock(&req_q->req_lock); |
4803 |
+ |
4804 |
+@@ -481,7 +438,6 @@ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, |
4805 |
+ if (req_id >= req_q->size) { |
4806 |
+ write_unlock(&req_q->req_lock); |
4807 |
+ dev_dbg(&qp_ctx->qp->qm->pdev->dev, "req cache is full!\n"); |
4808 |
+- kfree(out[1]); |
4809 |
+ return ERR_PTR(-EBUSY); |
4810 |
+ } |
4811 |
+ set_bit(req_id, req_q->req_bitmap); |
4812 |
+@@ -489,16 +445,13 @@ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, |
4813 |
+ req_cache = q + req_id; |
4814 |
+ req_cache->req_id = req_id; |
4815 |
+ req_cache->req = req; |
4816 |
++ |
4817 |
+ if (is_comp) { |
4818 |
+- req_cache->src = req->src; |
4819 |
+- req_cache->dst = out[1]; |
4820 |
+- req_cache->slen = req->slen; |
4821 |
+- req_cache->dlen = req->dlen - head_size; |
4822 |
++ req_cache->sskip = 0; |
4823 |
++ req_cache->dskip = head_size; |
4824 |
+ } else { |
4825 |
+- req_cache->src = out[1]; |
4826 |
+- req_cache->dst = req->dst; |
4827 |
+- req_cache->slen = req->slen - head_size; |
4828 |
+- req_cache->dlen = req->dlen; |
4829 |
++ req_cache->sskip = head_size; |
4830 |
++ req_cache->dskip = 0; |
4831 |
+ } |
4832 |
+ |
4833 |
+ write_unlock(&req_q->req_lock); |
4834 |
+@@ -510,6 +463,7 @@ static int hisi_zip_do_work(struct hisi_zip_req *req, |
4835 |
+ struct hisi_zip_qp_ctx *qp_ctx) |
4836 |
+ { |
4837 |
+ struct hisi_zip_sqe *zip_sqe = &qp_ctx->zip_sqe; |
4838 |
++ struct acomp_req *a_req = req->req; |
4839 |
+ struct hisi_qp *qp = qp_ctx->qp; |
4840 |
+ struct device *dev = &qp->qm->pdev->dev; |
4841 |
+ struct hisi_acc_sgl_pool *pool = &qp_ctx->sgl_pool; |
4842 |
+@@ -517,16 +471,16 @@ static int hisi_zip_do_work(struct hisi_zip_req *req, |
4843 |
+ dma_addr_t output; |
4844 |
+ int ret; |
4845 |
+ |
4846 |
+- if (!req->src || !req->slen || !req->dst || !req->dlen) |
4847 |
++ if (!a_req->src || !a_req->slen || !a_req->dst || !a_req->dlen) |
4848 |
+ return -EINVAL; |
4849 |
+ |
4850 |
+- req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, req->src, pool, |
4851 |
++ req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->src, pool, |
4852 |
+ req->req_id << 1, &input); |
4853 |
+ if (IS_ERR(req->hw_src)) |
4854 |
+ return PTR_ERR(req->hw_src); |
4855 |
+ req->dma_src = input; |
4856 |
+ |
4857 |
+- req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, req->dst, pool, |
4858 |
++ req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->dst, pool, |
4859 |
+ (req->req_id << 1) + 1, |
4860 |
+ &output); |
4861 |
+ if (IS_ERR(req->hw_dst)) { |
4862 |
+@@ -535,8 +489,8 @@ static int hisi_zip_do_work(struct hisi_zip_req *req, |
4863 |
+ } |
4864 |
+ req->dma_dst = output; |
4865 |
+ |
4866 |
+- hisi_zip_fill_sqe(zip_sqe, qp->req_type, input, output, req->slen, |
4867 |
+- req->dlen); |
4868 |
++ hisi_zip_fill_sqe(zip_sqe, qp->req_type, input, output, a_req->slen, |
4869 |
++ a_req->dlen, req->sskip, req->dskip); |
4870 |
+ hisi_zip_config_buf_type(zip_sqe, HZIP_SGL); |
4871 |
+ hisi_zip_config_tag(zip_sqe, req->req_id); |
4872 |
+ |
4873 |
+@@ -548,9 +502,9 @@ static int hisi_zip_do_work(struct hisi_zip_req *req, |
4874 |
+ return -EINPROGRESS; |
4875 |
+ |
4876 |
+ err_unmap_output: |
4877 |
+- hisi_acc_sg_buf_unmap(dev, req->dst, req->hw_dst); |
4878 |
++ hisi_acc_sg_buf_unmap(dev, a_req->dst, req->hw_dst); |
4879 |
+ err_unmap_input: |
4880 |
+- hisi_acc_sg_buf_unmap(dev, req->src, req->hw_src); |
4881 |
++ hisi_acc_sg_buf_unmap(dev, a_req->src, req->hw_src); |
4882 |
+ return ret; |
4883 |
+ } |
4884 |
+ |
4885 |
+diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c |
4886 |
+index 3cbefb41b099..2680e1525db5 100644 |
4887 |
+--- a/drivers/crypto/picoxcell_crypto.c |
4888 |
++++ b/drivers/crypto/picoxcell_crypto.c |
4889 |
+@@ -1613,6 +1613,11 @@ static const struct of_device_id spacc_of_id_table[] = { |
4890 |
+ MODULE_DEVICE_TABLE(of, spacc_of_id_table); |
4891 |
+ #endif /* CONFIG_OF */ |
4892 |
+ |
4893 |
++static void spacc_tasklet_kill(void *data) |
4894 |
++{ |
4895 |
++ tasklet_kill(data); |
4896 |
++} |
4897 |
++ |
4898 |
+ static int spacc_probe(struct platform_device *pdev) |
4899 |
+ { |
4900 |
+ int i, err, ret; |
4901 |
+@@ -1655,6 +1660,14 @@ static int spacc_probe(struct platform_device *pdev) |
4902 |
+ return -ENXIO; |
4903 |
+ } |
4904 |
+ |
4905 |
++ tasklet_init(&engine->complete, spacc_spacc_complete, |
4906 |
++ (unsigned long)engine); |
4907 |
++ |
4908 |
++ ret = devm_add_action(&pdev->dev, spacc_tasklet_kill, |
4909 |
++ &engine->complete); |
4910 |
++ if (ret) |
4911 |
++ return ret; |
4912 |
++ |
4913 |
+ if (devm_request_irq(&pdev->dev, irq->start, spacc_spacc_irq, 0, |
4914 |
+ engine->name, engine)) { |
4915 |
+ dev_err(engine->dev, "failed to request IRQ\n"); |
4916 |
+@@ -1712,8 +1725,6 @@ static int spacc_probe(struct platform_device *pdev) |
4917 |
+ INIT_LIST_HEAD(&engine->completed); |
4918 |
+ INIT_LIST_HEAD(&engine->in_progress); |
4919 |
+ engine->in_flight = 0; |
4920 |
+- tasklet_init(&engine->complete, spacc_spacc_complete, |
4921 |
+- (unsigned long)engine); |
4922 |
+ |
4923 |
+ platform_set_drvdata(pdev, engine); |
4924 |
+ |
4925 |
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c |
4926 |
+index ee1dc75f5ddc..1d733b57e60f 100644 |
4927 |
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c |
4928 |
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c |
4929 |
+@@ -247,7 +247,8 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( |
4930 |
+ drm_dp_mst_reset_vcpi_slots(mst_mgr, mst_port); |
4931 |
+ } |
4932 |
+ |
4933 |
+- ret = drm_dp_update_payload_part1(mst_mgr); |
4934 |
++ /* It's OK for this to fail */ |
4935 |
++ drm_dp_update_payload_part1(mst_mgr); |
4936 |
+ |
4937 |
+ /* mst_mgr->->payloads are VC payload notify MST branch using DPCD or |
4938 |
+ * AUX message. The sequence is slot 1-63 allocated sequence for each |
4939 |
+@@ -256,9 +257,6 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( |
4940 |
+ |
4941 |
+ get_payload_table(aconnector, proposed_table); |
4942 |
+ |
4943 |
+- if (ret) |
4944 |
+- return false; |
4945 |
+- |
4946 |
+ return true; |
4947 |
+ } |
4948 |
+ |
4949 |
+@@ -316,7 +314,6 @@ bool dm_helpers_dp_mst_send_payload_allocation( |
4950 |
+ struct amdgpu_dm_connector *aconnector; |
4951 |
+ struct drm_dp_mst_topology_mgr *mst_mgr; |
4952 |
+ struct drm_dp_mst_port *mst_port; |
4953 |
+- int ret; |
4954 |
+ |
4955 |
+ aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; |
4956 |
+ |
4957 |
+@@ -330,10 +327,8 @@ bool dm_helpers_dp_mst_send_payload_allocation( |
4958 |
+ if (!mst_mgr->mst_state) |
4959 |
+ return false; |
4960 |
+ |
4961 |
+- ret = drm_dp_update_payload_part2(mst_mgr); |
4962 |
+- |
4963 |
+- if (ret) |
4964 |
+- return false; |
4965 |
++ /* It's OK for this to fail */ |
4966 |
++ drm_dp_update_payload_part2(mst_mgr); |
4967 |
+ |
4968 |
+ if (!enable) |
4969 |
+ drm_dp_mst_deallocate_vcpi(mst_mgr, mst_port); |
4970 |
+diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c |
4971 |
+index f2e73e6d46b8..10985134ce0b 100644 |
4972 |
+--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c |
4973 |
++++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c |
4974 |
+@@ -73,7 +73,11 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) |
4975 |
+ unsigned long prate; |
4976 |
+ unsigned int mask = ATMEL_HLCDC_CLKDIV_MASK | ATMEL_HLCDC_CLKPOL; |
4977 |
+ unsigned int cfg = 0; |
4978 |
+- int div; |
4979 |
++ int div, ret; |
4980 |
++ |
4981 |
++ ret = clk_prepare_enable(crtc->dc->hlcdc->sys_clk); |
4982 |
++ if (ret) |
4983 |
++ return; |
4984 |
+ |
4985 |
+ vm.vfront_porch = adj->crtc_vsync_start - adj->crtc_vdisplay; |
4986 |
+ vm.vback_porch = adj->crtc_vtotal - adj->crtc_vsync_end; |
4987 |
+@@ -95,14 +99,14 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) |
4988 |
+ (adj->crtc_hdisplay - 1) | |
4989 |
+ ((adj->crtc_vdisplay - 1) << 16)); |
4990 |
+ |
4991 |
++ prate = clk_get_rate(crtc->dc->hlcdc->sys_clk); |
4992 |
++ mode_rate = adj->crtc_clock * 1000; |
4993 |
+ if (!crtc->dc->desc->fixed_clksrc) { |
4994 |
++ prate *= 2; |
4995 |
+ cfg |= ATMEL_HLCDC_CLKSEL; |
4996 |
+ mask |= ATMEL_HLCDC_CLKSEL; |
4997 |
+ } |
4998 |
+ |
4999 |
+- prate = 2 * clk_get_rate(crtc->dc->hlcdc->sys_clk); |
5000 |
+- mode_rate = adj->crtc_clock * 1000; |
5001 |
+- |
5002 |
+ div = DIV_ROUND_UP(prate, mode_rate); |
5003 |
+ if (div < 2) { |
5004 |
+ div = 2; |
5005 |
+@@ -117,8 +121,8 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) |
5006 |
+ int div_low = prate / mode_rate; |
5007 |
+ |
5008 |
+ if (div_low >= 2 && |
5009 |
+- ((prate / div_low - mode_rate) < |
5010 |
+- 10 * (mode_rate - prate / div))) |
5011 |
++ (10 * (prate / div_low - mode_rate) < |
5012 |
++ (mode_rate - prate / div))) |
5013 |
+ /* |
5014 |
+ * At least 10 times better when using a higher |
5015 |
+ * frequency than requested, instead of a lower. |
5016 |
+@@ -147,6 +151,8 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c) |
5017 |
+ ATMEL_HLCDC_VSPSU | ATMEL_HLCDC_VSPHO | |
5018 |
+ ATMEL_HLCDC_GUARDTIME_MASK | ATMEL_HLCDC_MODE_MASK, |
5019 |
+ cfg); |
5020 |
++ |
5021 |
++ clk_disable_unprepare(crtc->dc->hlcdc->sys_clk); |
5022 |
+ } |
5023 |
+ |
5024 |
+ static enum drm_mode_status |
5025 |
+diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c |
5026 |
+index a48a4c21b1b3..c5e9e2305fff 100644 |
5027 |
+--- a/drivers/gpu/drm/drm_dp_mst_topology.c |
5028 |
++++ b/drivers/gpu/drm/drm_dp_mst_topology.c |
5029 |
+@@ -2694,6 +2694,7 @@ static bool drm_dp_get_vc_payload_bw(int dp_link_bw, |
5030 |
+ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state) |
5031 |
+ { |
5032 |
+ int ret = 0; |
5033 |
++ int i = 0; |
5034 |
+ struct drm_dp_mst_branch *mstb = NULL; |
5035 |
+ |
5036 |
+ mutex_lock(&mgr->lock); |
5037 |
+@@ -2754,10 +2755,21 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms |
5038 |
+ /* this can fail if the device is gone */ |
5039 |
+ drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, 0); |
5040 |
+ ret = 0; |
5041 |
++ mutex_lock(&mgr->payload_lock); |
5042 |
+ memset(mgr->payloads, 0, mgr->max_payloads * sizeof(struct drm_dp_payload)); |
5043 |
+ mgr->payload_mask = 0; |
5044 |
+ set_bit(0, &mgr->payload_mask); |
5045 |
++ for (i = 0; i < mgr->max_payloads; i++) { |
5046 |
++ struct drm_dp_vcpi *vcpi = mgr->proposed_vcpis[i]; |
5047 |
++ |
5048 |
++ if (vcpi) { |
5049 |
++ vcpi->vcpi = 0; |
5050 |
++ vcpi->num_slots = 0; |
5051 |
++ } |
5052 |
++ mgr->proposed_vcpis[i] = NULL; |
5053 |
++ } |
5054 |
+ mgr->vcpi_mask = 0; |
5055 |
++ mutex_unlock(&mgr->payload_lock); |
5056 |
+ } |
5057 |
+ |
5058 |
+ out_unlock: |
5059 |
+diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c |
5060 |
+index b8363aaa9032..818738e83d06 100644 |
5061 |
+--- a/drivers/gpu/drm/drm_rect.c |
5062 |
++++ b/drivers/gpu/drm/drm_rect.c |
5063 |
+@@ -54,7 +54,12 @@ EXPORT_SYMBOL(drm_rect_intersect); |
5064 |
+ |
5065 |
+ static u32 clip_scaled(u32 src, u32 dst, u32 clip) |
5066 |
+ { |
5067 |
+- u64 tmp = mul_u32_u32(src, dst - clip); |
5068 |
++ u64 tmp; |
5069 |
++ |
5070 |
++ if (dst == 0) |
5071 |
++ return 0; |
5072 |
++ |
5073 |
++ tmp = mul_u32_u32(src, dst - clip); |
5074 |
+ |
5075 |
+ /* |
5076 |
+ * Round toward 1.0 when clipping so that we don't accidentally |
5077 |
+diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c |
5078 |
+index 772f0753ed38..aaf2f26f8505 100644 |
5079 |
+--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c |
5080 |
++++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c |
5081 |
+@@ -121,7 +121,7 @@ static void mdp4_dsi_encoder_enable(struct drm_encoder *encoder) |
5082 |
+ if (mdp4_dsi_encoder->enabled) |
5083 |
+ return; |
5084 |
+ |
5085 |
+- mdp4_crtc_set_config(encoder->crtc, |
5086 |
++ mdp4_crtc_set_config(encoder->crtc, |
5087 |
+ MDP4_DMA_CONFIG_PACK_ALIGN_MSB | |
5088 |
+ MDP4_DMA_CONFIG_DEFLKR_EN | |
5089 |
+ MDP4_DMA_CONFIG_DITHER_EN | |
5090 |
+diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c |
5091 |
+index 34bd73526afd..930674117533 100644 |
5092 |
+--- a/drivers/hv/hv_balloon.c |
5093 |
++++ b/drivers/hv/hv_balloon.c |
5094 |
+@@ -1213,10 +1213,7 @@ static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm, |
5095 |
+ unsigned int i, j; |
5096 |
+ struct page *pg; |
5097 |
+ |
5098 |
+- if (num_pages < alloc_unit) |
5099 |
+- return 0; |
5100 |
+- |
5101 |
+- for (i = 0; (i * alloc_unit) < num_pages; i++) { |
5102 |
++ for (i = 0; i < num_pages / alloc_unit; i++) { |
5103 |
+ if (bl_resp->hdr.size + sizeof(union dm_mem_page_range) > |
5104 |
+ PAGE_SIZE) |
5105 |
+ return i * alloc_unit; |
5106 |
+@@ -1254,7 +1251,7 @@ static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm, |
5107 |
+ |
5108 |
+ } |
5109 |
+ |
5110 |
+- return num_pages; |
5111 |
++ return i * alloc_unit; |
5112 |
+ } |
5113 |
+ |
5114 |
+ static void balloon_up(struct work_struct *dummy) |
5115 |
+@@ -1269,9 +1266,6 @@ static void balloon_up(struct work_struct *dummy) |
5116 |
+ long avail_pages; |
5117 |
+ unsigned long floor; |
5118 |
+ |
5119 |
+- /* The host balloons pages in 2M granularity. */ |
5120 |
+- WARN_ON_ONCE(num_pages % PAGES_IN_2M != 0); |
5121 |
+- |
5122 |
+ /* |
5123 |
+ * We will attempt 2M allocations. However, if we fail to |
5124 |
+ * allocate 2M chunks, we will go back to 4k allocations. |
5125 |
+@@ -1281,14 +1275,13 @@ static void balloon_up(struct work_struct *dummy) |
5126 |
+ avail_pages = si_mem_available(); |
5127 |
+ floor = compute_balloon_floor(); |
5128 |
+ |
5129 |
+- /* Refuse to balloon below the floor, keep the 2M granularity. */ |
5130 |
++ /* Refuse to balloon below the floor. */ |
5131 |
+ if (avail_pages < num_pages || avail_pages - num_pages < floor) { |
5132 |
+ pr_warn("Balloon request will be partially fulfilled. %s\n", |
5133 |
+ avail_pages < num_pages ? "Not enough memory." : |
5134 |
+ "Balloon floor reached."); |
5135 |
+ |
5136 |
+ num_pages = avail_pages > floor ? (avail_pages - floor) : 0; |
5137 |
+- num_pages -= num_pages % PAGES_IN_2M; |
5138 |
+ } |
5139 |
+ |
5140 |
+ while (!done) { |
5141 |
+diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c |
5142 |
+index 163ff7ba92b7..fedf6829cdec 100644 |
5143 |
+--- a/drivers/infiniband/core/umem_odp.c |
5144 |
++++ b/drivers/infiniband/core/umem_odp.c |
5145 |
+@@ -632,7 +632,7 @@ int ib_umem_odp_map_dma_pages(struct ib_umem_odp *umem_odp, u64 user_virt, |
5146 |
+ |
5147 |
+ while (bcnt > 0) { |
5148 |
+ const size_t gup_num_pages = min_t(size_t, |
5149 |
+- (bcnt + BIT(page_shift) - 1) >> page_shift, |
5150 |
++ ALIGN(bcnt, PAGE_SIZE) / PAGE_SIZE, |
5151 |
+ PAGE_SIZE / sizeof(struct page *)); |
5152 |
+ |
5153 |
+ down_read(&owning_mm->mmap_sem); |
5154 |
+diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c |
5155 |
+index 4950df3f71b6..5c73c0a790fa 100644 |
5156 |
+--- a/drivers/infiniband/hw/mlx5/gsi.c |
5157 |
++++ b/drivers/infiniband/hw/mlx5/gsi.c |
5158 |
+@@ -507,8 +507,7 @@ int mlx5_ib_gsi_post_send(struct ib_qp *qp, const struct ib_send_wr *wr, |
5159 |
+ ret = ib_post_send(tx_qp, &cur_wr.wr, bad_wr); |
5160 |
+ if (ret) { |
5161 |
+ /* Undo the effect of adding the outstanding wr */ |
5162 |
+- gsi->outstanding_pi = (gsi->outstanding_pi - 1) % |
5163 |
+- gsi->cap.max_send_wr; |
5164 |
++ gsi->outstanding_pi--; |
5165 |
+ goto err; |
5166 |
+ } |
5167 |
+ spin_unlock_irqrestore(&gsi->lock, flags); |
5168 |
+diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h |
5169 |
+index deb924e1d790..3d2b63585da9 100644 |
5170 |
+--- a/drivers/md/bcache/bcache.h |
5171 |
++++ b/drivers/md/bcache/bcache.h |
5172 |
+@@ -329,6 +329,9 @@ struct cached_dev { |
5173 |
+ */ |
5174 |
+ atomic_t has_dirty; |
5175 |
+ |
5176 |
++#define BCH_CACHE_READA_ALL 0 |
5177 |
++#define BCH_CACHE_READA_META_ONLY 1 |
5178 |
++ unsigned int cache_readahead_policy; |
5179 |
+ struct bch_ratelimit writeback_rate; |
5180 |
+ struct delayed_work writeback_rate_update; |
5181 |
+ |
5182 |
+diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c |
5183 |
+index 41adcd1546f1..4045ae748f17 100644 |
5184 |
+--- a/drivers/md/bcache/request.c |
5185 |
++++ b/drivers/md/bcache/request.c |
5186 |
+@@ -391,13 +391,20 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) |
5187 |
+ goto skip; |
5188 |
+ |
5189 |
+ /* |
5190 |
+- * Flag for bypass if the IO is for read-ahead or background, |
5191 |
+- * unless the read-ahead request is for metadata |
5192 |
++ * If the bio is for read-ahead or background IO, bypass it or |
5193 |
++ * not depends on the following situations, |
5194 |
++ * - If the IO is for meta data, always cache it and no bypass |
5195 |
++ * - If the IO is not meta data, check dc->cache_reada_policy, |
5196 |
++ * BCH_CACHE_READA_ALL: cache it and not bypass |
5197 |
++ * BCH_CACHE_READA_META_ONLY: not cache it and bypass |
5198 |
++ * That is, read-ahead request for metadata always get cached |
5199 |
+ * (eg, for gfs2 or xfs). |
5200 |
+ */ |
5201 |
+- if (bio->bi_opf & (REQ_RAHEAD|REQ_BACKGROUND) && |
5202 |
+- !(bio->bi_opf & (REQ_META|REQ_PRIO))) |
5203 |
+- goto skip; |
5204 |
++ if ((bio->bi_opf & (REQ_RAHEAD|REQ_BACKGROUND))) { |
5205 |
++ if (!(bio->bi_opf & (REQ_META|REQ_PRIO)) && |
5206 |
++ (dc->cache_readahead_policy != BCH_CACHE_READA_ALL)) |
5207 |
++ goto skip; |
5208 |
++ } |
5209 |
+ |
5210 |
+ if (bio->bi_iter.bi_sector & (c->sb.block_size - 1) || |
5211 |
+ bio_sectors(bio) & (c->sb.block_size - 1)) { |
5212 |
+diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c |
5213 |
+index 627dcea0f5b6..7f0fb4b5755a 100644 |
5214 |
+--- a/drivers/md/bcache/sysfs.c |
5215 |
++++ b/drivers/md/bcache/sysfs.c |
5216 |
+@@ -27,6 +27,12 @@ static const char * const bch_cache_modes[] = { |
5217 |
+ NULL |
5218 |
+ }; |
5219 |
+ |
5220 |
++static const char * const bch_reada_cache_policies[] = { |
5221 |
++ "all", |
5222 |
++ "meta-only", |
5223 |
++ NULL |
5224 |
++}; |
5225 |
++ |
5226 |
+ /* Default is 0 ("auto") */ |
5227 |
+ static const char * const bch_stop_on_failure_modes[] = { |
5228 |
+ "auto", |
5229 |
+@@ -100,6 +106,7 @@ rw_attribute(congested_write_threshold_us); |
5230 |
+ rw_attribute(sequential_cutoff); |
5231 |
+ rw_attribute(data_csum); |
5232 |
+ rw_attribute(cache_mode); |
5233 |
++rw_attribute(readahead_cache_policy); |
5234 |
+ rw_attribute(stop_when_cache_set_failed); |
5235 |
+ rw_attribute(writeback_metadata); |
5236 |
+ rw_attribute(writeback_running); |
5237 |
+@@ -167,6 +174,11 @@ SHOW(__bch_cached_dev) |
5238 |
+ bch_cache_modes, |
5239 |
+ BDEV_CACHE_MODE(&dc->sb)); |
5240 |
+ |
5241 |
++ if (attr == &sysfs_readahead_cache_policy) |
5242 |
++ return bch_snprint_string_list(buf, PAGE_SIZE, |
5243 |
++ bch_reada_cache_policies, |
5244 |
++ dc->cache_readahead_policy); |
5245 |
++ |
5246 |
+ if (attr == &sysfs_stop_when_cache_set_failed) |
5247 |
+ return bch_snprint_string_list(buf, PAGE_SIZE, |
5248 |
+ bch_stop_on_failure_modes, |
5249 |
+@@ -352,6 +364,15 @@ STORE(__cached_dev) |
5250 |
+ } |
5251 |
+ } |
5252 |
+ |
5253 |
++ if (attr == &sysfs_readahead_cache_policy) { |
5254 |
++ v = __sysfs_match_string(bch_reada_cache_policies, -1, buf); |
5255 |
++ if (v < 0) |
5256 |
++ return v; |
5257 |
++ |
5258 |
++ if ((unsigned int) v != dc->cache_readahead_policy) |
5259 |
++ dc->cache_readahead_policy = v; |
5260 |
++ } |
5261 |
++ |
5262 |
+ if (attr == &sysfs_stop_when_cache_set_failed) { |
5263 |
+ v = __sysfs_match_string(bch_stop_on_failure_modes, -1, buf); |
5264 |
+ if (v < 0) |
5265 |
+@@ -466,6 +487,7 @@ static struct attribute *bch_cached_dev_files[] = { |
5266 |
+ &sysfs_data_csum, |
5267 |
+ #endif |
5268 |
+ &sysfs_cache_mode, |
5269 |
++ &sysfs_readahead_cache_policy, |
5270 |
+ &sysfs_stop_when_cache_set_failed, |
5271 |
+ &sysfs_writeback_metadata, |
5272 |
+ &sysfs_writeback_running, |
5273 |
+diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c |
5274 |
+index eb9782fc93fe..492bbe0584d9 100644 |
5275 |
+--- a/drivers/md/dm-crypt.c |
5276 |
++++ b/drivers/md/dm-crypt.c |
5277 |
+@@ -331,8 +331,14 @@ static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, |
5278 |
+ static int crypt_iv_benbi_ctr(struct crypt_config *cc, struct dm_target *ti, |
5279 |
+ const char *opts) |
5280 |
+ { |
5281 |
+- unsigned bs = crypto_skcipher_blocksize(any_tfm(cc)); |
5282 |
+- int log = ilog2(bs); |
5283 |
++ unsigned bs; |
5284 |
++ int log; |
5285 |
++ |
5286 |
++ if (test_bit(CRYPT_MODE_INTEGRITY_AEAD, &cc->cipher_flags)) |
5287 |
++ bs = crypto_aead_blocksize(any_tfm_aead(cc)); |
5288 |
++ else |
5289 |
++ bs = crypto_skcipher_blocksize(any_tfm(cc)); |
5290 |
++ log = ilog2(bs); |
5291 |
+ |
5292 |
+ /* we need to calculate how far we must shift the sector count |
5293 |
+ * to get the cipher block count, we use this shift in _gen */ |
5294 |
+@@ -717,7 +723,7 @@ static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv, |
5295 |
+ struct crypto_wait wait; |
5296 |
+ int err; |
5297 |
+ |
5298 |
+- req = skcipher_request_alloc(any_tfm(cc), GFP_KERNEL | GFP_NOFS); |
5299 |
++ req = skcipher_request_alloc(any_tfm(cc), GFP_NOIO); |
5300 |
+ if (!req) |
5301 |
+ return -ENOMEM; |
5302 |
+ |
5303 |
+diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c |
5304 |
+index b88d6d701f5b..8bb723f1a569 100644 |
5305 |
+--- a/drivers/md/dm-thin-metadata.c |
5306 |
++++ b/drivers/md/dm-thin-metadata.c |
5307 |
+@@ -387,16 +387,15 @@ static int subtree_equal(void *context, const void *value1_le, const void *value |
5308 |
+ * Variant that is used for in-core only changes or code that |
5309 |
+ * shouldn't put the pool in service on its own (e.g. commit). |
5310 |
+ */ |
5311 |
+-static inline void __pmd_write_lock(struct dm_pool_metadata *pmd) |
5312 |
++static inline void pmd_write_lock_in_core(struct dm_pool_metadata *pmd) |
5313 |
+ __acquires(pmd->root_lock) |
5314 |
+ { |
5315 |
+ down_write(&pmd->root_lock); |
5316 |
+ } |
5317 |
+-#define pmd_write_lock_in_core(pmd) __pmd_write_lock((pmd)) |
5318 |
+ |
5319 |
+ static inline void pmd_write_lock(struct dm_pool_metadata *pmd) |
5320 |
+ { |
5321 |
+- __pmd_write_lock(pmd); |
5322 |
++ pmd_write_lock_in_core(pmd); |
5323 |
+ if (unlikely(!pmd->in_service)) |
5324 |
+ pmd->in_service = true; |
5325 |
+ } |
5326 |
+@@ -831,6 +830,7 @@ static int __commit_transaction(struct dm_pool_metadata *pmd) |
5327 |
+ * We need to know if the thin_disk_superblock exceeds a 512-byte sector. |
5328 |
+ */ |
5329 |
+ BUILD_BUG_ON(sizeof(struct thin_disk_superblock) > 512); |
5330 |
++ BUG_ON(!rwsem_is_locked(&pmd->root_lock)); |
5331 |
+ |
5332 |
+ if (unlikely(!pmd->in_service)) |
5333 |
+ return 0; |
5334 |
+@@ -953,6 +953,7 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd) |
5335 |
+ return -EBUSY; |
5336 |
+ } |
5337 |
+ |
5338 |
++ pmd_write_lock_in_core(pmd); |
5339 |
+ if (!dm_bm_is_read_only(pmd->bm) && !pmd->fail_io) { |
5340 |
+ r = __commit_transaction(pmd); |
5341 |
+ if (r < 0) |
5342 |
+@@ -961,6 +962,7 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd) |
5343 |
+ } |
5344 |
+ if (!pmd->fail_io) |
5345 |
+ __destroy_persistent_data_objects(pmd); |
5346 |
++ pmd_write_unlock(pmd); |
5347 |
+ |
5348 |
+ kfree(pmd); |
5349 |
+ return 0; |
5350 |
+@@ -1841,7 +1843,7 @@ int dm_pool_commit_metadata(struct dm_pool_metadata *pmd) |
5351 |
+ * Care is taken to not have commit be what |
5352 |
+ * triggers putting the thin-pool in-service. |
5353 |
+ */ |
5354 |
+- __pmd_write_lock(pmd); |
5355 |
++ pmd_write_lock_in_core(pmd); |
5356 |
+ if (pmd->fail_io) |
5357 |
+ goto out; |
5358 |
+ |
5359 |
+diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c |
5360 |
+index 43d1af1d8173..07c1b0334f57 100644 |
5361 |
+--- a/drivers/md/dm-writecache.c |
5362 |
++++ b/drivers/md/dm-writecache.c |
5363 |
+@@ -442,7 +442,13 @@ static void writecache_notify_io(unsigned long error, void *context) |
5364 |
+ complete(&endio->c); |
5365 |
+ } |
5366 |
+ |
5367 |
+-static void ssd_commit_flushed(struct dm_writecache *wc) |
5368 |
++static void writecache_wait_for_ios(struct dm_writecache *wc, int direction) |
5369 |
++{ |
5370 |
++ wait_event(wc->bio_in_progress_wait[direction], |
5371 |
++ !atomic_read(&wc->bio_in_progress[direction])); |
5372 |
++} |
5373 |
++ |
5374 |
++static void ssd_commit_flushed(struct dm_writecache *wc, bool wait_for_ios) |
5375 |
+ { |
5376 |
+ struct dm_io_region region; |
5377 |
+ struct dm_io_request req; |
5378 |
+@@ -488,17 +494,20 @@ static void ssd_commit_flushed(struct dm_writecache *wc) |
5379 |
+ writecache_notify_io(0, &endio); |
5380 |
+ wait_for_completion_io(&endio.c); |
5381 |
+ |
5382 |
++ if (wait_for_ios) |
5383 |
++ writecache_wait_for_ios(wc, WRITE); |
5384 |
++ |
5385 |
+ writecache_disk_flush(wc, wc->ssd_dev); |
5386 |
+ |
5387 |
+ memset(wc->dirty_bitmap, 0, wc->dirty_bitmap_size); |
5388 |
+ } |
5389 |
+ |
5390 |
+-static void writecache_commit_flushed(struct dm_writecache *wc) |
5391 |
++static void writecache_commit_flushed(struct dm_writecache *wc, bool wait_for_ios) |
5392 |
+ { |
5393 |
+ if (WC_MODE_PMEM(wc)) |
5394 |
+ wmb(); |
5395 |
+ else |
5396 |
+- ssd_commit_flushed(wc); |
5397 |
++ ssd_commit_flushed(wc, wait_for_ios); |
5398 |
+ } |
5399 |
+ |
5400 |
+ static void writecache_disk_flush(struct dm_writecache *wc, struct dm_dev *dev) |
5401 |
+@@ -522,12 +531,6 @@ static void writecache_disk_flush(struct dm_writecache *wc, struct dm_dev *dev) |
5402 |
+ writecache_error(wc, r, "error flushing metadata: %d", r); |
5403 |
+ } |
5404 |
+ |
5405 |
+-static void writecache_wait_for_ios(struct dm_writecache *wc, int direction) |
5406 |
+-{ |
5407 |
+- wait_event(wc->bio_in_progress_wait[direction], |
5408 |
+- !atomic_read(&wc->bio_in_progress[direction])); |
5409 |
+-} |
5410 |
+- |
5411 |
+ #define WFE_RETURN_FOLLOWING 1 |
5412 |
+ #define WFE_LOWEST_SEQ 2 |
5413 |
+ |
5414 |
+@@ -724,15 +727,12 @@ static void writecache_flush(struct dm_writecache *wc) |
5415 |
+ e = e2; |
5416 |
+ cond_resched(); |
5417 |
+ } |
5418 |
+- writecache_commit_flushed(wc); |
5419 |
+- |
5420 |
+- if (!WC_MODE_PMEM(wc)) |
5421 |
+- writecache_wait_for_ios(wc, WRITE); |
5422 |
++ writecache_commit_flushed(wc, true); |
5423 |
+ |
5424 |
+ wc->seq_count++; |
5425 |
+ pmem_assign(sb(wc)->seq_count, cpu_to_le64(wc->seq_count)); |
5426 |
+ writecache_flush_region(wc, &sb(wc)->seq_count, sizeof sb(wc)->seq_count); |
5427 |
+- writecache_commit_flushed(wc); |
5428 |
++ writecache_commit_flushed(wc, false); |
5429 |
+ |
5430 |
+ wc->overwrote_committed = false; |
5431 |
+ |
5432 |
+@@ -756,7 +756,7 @@ static void writecache_flush(struct dm_writecache *wc) |
5433 |
+ } |
5434 |
+ |
5435 |
+ if (need_flush_after_free) |
5436 |
+- writecache_commit_flushed(wc); |
5437 |
++ writecache_commit_flushed(wc, false); |
5438 |
+ } |
5439 |
+ |
5440 |
+ static void writecache_flush_work(struct work_struct *work) |
5441 |
+@@ -809,7 +809,7 @@ static void writecache_discard(struct dm_writecache *wc, sector_t start, sector_ |
5442 |
+ } |
5443 |
+ |
5444 |
+ if (discarded_something) |
5445 |
+- writecache_commit_flushed(wc); |
5446 |
++ writecache_commit_flushed(wc, false); |
5447 |
+ } |
5448 |
+ |
5449 |
+ static bool writecache_wait_for_writeback(struct dm_writecache *wc) |
5450 |
+@@ -958,7 +958,7 @@ erase_this: |
5451 |
+ |
5452 |
+ if (need_flush) { |
5453 |
+ writecache_flush_all_metadata(wc); |
5454 |
+- writecache_commit_flushed(wc); |
5455 |
++ writecache_commit_flushed(wc, false); |
5456 |
+ } |
5457 |
+ |
5458 |
+ wc_unlock(wc); |
5459 |
+@@ -1342,7 +1342,7 @@ static void __writecache_endio_pmem(struct dm_writecache *wc, struct list_head * |
5460 |
+ wc->writeback_size--; |
5461 |
+ n_walked++; |
5462 |
+ if (unlikely(n_walked >= ENDIO_LATENCY)) { |
5463 |
+- writecache_commit_flushed(wc); |
5464 |
++ writecache_commit_flushed(wc, false); |
5465 |
+ wc_unlock(wc); |
5466 |
+ wc_lock(wc); |
5467 |
+ n_walked = 0; |
5468 |
+@@ -1423,7 +1423,7 @@ pop_from_list: |
5469 |
+ writecache_wait_for_ios(wc, READ); |
5470 |
+ } |
5471 |
+ |
5472 |
+- writecache_commit_flushed(wc); |
5473 |
++ writecache_commit_flushed(wc, false); |
5474 |
+ |
5475 |
+ wc_unlock(wc); |
5476 |
+ } |
5477 |
+@@ -1766,10 +1766,10 @@ static int init_memory(struct dm_writecache *wc) |
5478 |
+ write_original_sector_seq_count(wc, &wc->entries[b], -1, -1); |
5479 |
+ |
5480 |
+ writecache_flush_all_metadata(wc); |
5481 |
+- writecache_commit_flushed(wc); |
5482 |
++ writecache_commit_flushed(wc, false); |
5483 |
+ pmem_assign(sb(wc)->magic, cpu_to_le32(MEMORY_SUPERBLOCK_MAGIC)); |
5484 |
+ writecache_flush_region(wc, &sb(wc)->magic, sizeof sb(wc)->magic); |
5485 |
+- writecache_commit_flushed(wc); |
5486 |
++ writecache_commit_flushed(wc, false); |
5487 |
+ |
5488 |
+ return 0; |
5489 |
+ } |
5490 |
+diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c |
5491 |
+index ac1179ca80d9..5205cf9bbfd9 100644 |
5492 |
+--- a/drivers/md/dm-zoned-metadata.c |
5493 |
++++ b/drivers/md/dm-zoned-metadata.c |
5494 |
+@@ -134,6 +134,7 @@ struct dmz_metadata { |
5495 |
+ |
5496 |
+ sector_t zone_bitmap_size; |
5497 |
+ unsigned int zone_nr_bitmap_blocks; |
5498 |
++ unsigned int zone_bits_per_mblk; |
5499 |
+ |
5500 |
+ unsigned int nr_bitmap_blocks; |
5501 |
+ unsigned int nr_map_blocks; |
5502 |
+@@ -1167,7 +1168,10 @@ static int dmz_init_zones(struct dmz_metadata *zmd) |
5503 |
+ |
5504 |
+ /* Init */ |
5505 |
+ zmd->zone_bitmap_size = dev->zone_nr_blocks >> 3; |
5506 |
+- zmd->zone_nr_bitmap_blocks = zmd->zone_bitmap_size >> DMZ_BLOCK_SHIFT; |
5507 |
++ zmd->zone_nr_bitmap_blocks = |
5508 |
++ max_t(sector_t, 1, zmd->zone_bitmap_size >> DMZ_BLOCK_SHIFT); |
5509 |
++ zmd->zone_bits_per_mblk = min_t(sector_t, dev->zone_nr_blocks, |
5510 |
++ DMZ_BLOCK_SIZE_BITS); |
5511 |
+ |
5512 |
+ /* Allocate zone array */ |
5513 |
+ zmd->zones = kcalloc(dev->nr_zones, sizeof(struct dm_zone), GFP_KERNEL); |
5514 |
+@@ -1991,7 +1995,7 @@ int dmz_copy_valid_blocks(struct dmz_metadata *zmd, struct dm_zone *from_zone, |
5515 |
+ dmz_release_mblock(zmd, to_mblk); |
5516 |
+ dmz_release_mblock(zmd, from_mblk); |
5517 |
+ |
5518 |
+- chunk_block += DMZ_BLOCK_SIZE_BITS; |
5519 |
++ chunk_block += zmd->zone_bits_per_mblk; |
5520 |
+ } |
5521 |
+ |
5522 |
+ to_zone->weight = from_zone->weight; |
5523 |
+@@ -2052,7 +2056,7 @@ int dmz_validate_blocks(struct dmz_metadata *zmd, struct dm_zone *zone, |
5524 |
+ |
5525 |
+ /* Set bits */ |
5526 |
+ bit = chunk_block & DMZ_BLOCK_MASK_BITS; |
5527 |
+- nr_bits = min(nr_blocks, DMZ_BLOCK_SIZE_BITS - bit); |
5528 |
++ nr_bits = min(nr_blocks, zmd->zone_bits_per_mblk - bit); |
5529 |
+ |
5530 |
+ count = dmz_set_bits((unsigned long *)mblk->data, bit, nr_bits); |
5531 |
+ if (count) { |
5532 |
+@@ -2131,7 +2135,7 @@ int dmz_invalidate_blocks(struct dmz_metadata *zmd, struct dm_zone *zone, |
5533 |
+ |
5534 |
+ /* Clear bits */ |
5535 |
+ bit = chunk_block & DMZ_BLOCK_MASK_BITS; |
5536 |
+- nr_bits = min(nr_blocks, DMZ_BLOCK_SIZE_BITS - bit); |
5537 |
++ nr_bits = min(nr_blocks, zmd->zone_bits_per_mblk - bit); |
5538 |
+ |
5539 |
+ count = dmz_clear_bits((unsigned long *)mblk->data, |
5540 |
+ bit, nr_bits); |
5541 |
+@@ -2191,6 +2195,7 @@ static int dmz_to_next_set_block(struct dmz_metadata *zmd, struct dm_zone *zone, |
5542 |
+ { |
5543 |
+ struct dmz_mblock *mblk; |
5544 |
+ unsigned int bit, set_bit, nr_bits; |
5545 |
++ unsigned int zone_bits = zmd->zone_bits_per_mblk; |
5546 |
+ unsigned long *bitmap; |
5547 |
+ int n = 0; |
5548 |
+ |
5549 |
+@@ -2205,15 +2210,15 @@ static int dmz_to_next_set_block(struct dmz_metadata *zmd, struct dm_zone *zone, |
5550 |
+ /* Get offset */ |
5551 |
+ bitmap = (unsigned long *) mblk->data; |
5552 |
+ bit = chunk_block & DMZ_BLOCK_MASK_BITS; |
5553 |
+- nr_bits = min(nr_blocks, DMZ_BLOCK_SIZE_BITS - bit); |
5554 |
++ nr_bits = min(nr_blocks, zone_bits - bit); |
5555 |
+ if (set) |
5556 |
+- set_bit = find_next_bit(bitmap, DMZ_BLOCK_SIZE_BITS, bit); |
5557 |
++ set_bit = find_next_bit(bitmap, zone_bits, bit); |
5558 |
+ else |
5559 |
+- set_bit = find_next_zero_bit(bitmap, DMZ_BLOCK_SIZE_BITS, bit); |
5560 |
++ set_bit = find_next_zero_bit(bitmap, zone_bits, bit); |
5561 |
+ dmz_release_mblock(zmd, mblk); |
5562 |
+ |
5563 |
+ n += set_bit - bit; |
5564 |
+- if (set_bit < DMZ_BLOCK_SIZE_BITS) |
5565 |
++ if (set_bit < zone_bits) |
5566 |
+ break; |
5567 |
+ |
5568 |
+ nr_blocks -= nr_bits; |
5569 |
+@@ -2316,7 +2321,7 @@ static void dmz_get_zone_weight(struct dmz_metadata *zmd, struct dm_zone *zone) |
5570 |
+ /* Count bits in this block */ |
5571 |
+ bitmap = mblk->data; |
5572 |
+ bit = chunk_block & DMZ_BLOCK_MASK_BITS; |
5573 |
+- nr_bits = min(nr_blocks, DMZ_BLOCK_SIZE_BITS - bit); |
5574 |
++ nr_bits = min(nr_blocks, zmd->zone_bits_per_mblk - bit); |
5575 |
+ n += dmz_count_bits(bitmap, bit, nr_bits); |
5576 |
+ |
5577 |
+ dmz_release_mblock(zmd, mblk); |
5578 |
+diff --git a/drivers/md/dm.c b/drivers/md/dm.c |
5579 |
+index 1a5e328c443a..6d3cc235f842 100644 |
5580 |
+--- a/drivers/md/dm.c |
5581 |
++++ b/drivers/md/dm.c |
5582 |
+@@ -1880,6 +1880,7 @@ static void dm_init_normal_md_queue(struct mapped_device *md) |
5583 |
+ /* |
5584 |
+ * Initialize aspects of queue that aren't relevant for blk-mq |
5585 |
+ */ |
5586 |
++ md->queue->backing_dev_info->congested_data = md; |
5587 |
+ md->queue->backing_dev_info->congested_fn = dm_any_congested; |
5588 |
+ } |
5589 |
+ |
5590 |
+@@ -1970,7 +1971,12 @@ static struct mapped_device *alloc_dev(int minor) |
5591 |
+ if (!md->queue) |
5592 |
+ goto bad; |
5593 |
+ md->queue->queuedata = md; |
5594 |
+- md->queue->backing_dev_info->congested_data = md; |
5595 |
++ /* |
5596 |
++ * default to bio-based required ->make_request_fn until DM |
5597 |
++ * table is loaded and md->type established. If request-based |
5598 |
++ * table is loaded: blk-mq will override accordingly. |
5599 |
++ */ |
5600 |
++ blk_queue_make_request(md->queue, dm_make_request); |
5601 |
+ |
5602 |
+ md->disk = alloc_disk_node(1, md->numa_node_id); |
5603 |
+ if (!md->disk) |
5604 |
+@@ -2285,7 +2291,6 @@ int dm_setup_md_queue(struct mapped_device *md, struct dm_table *t) |
5605 |
+ case DM_TYPE_DAX_BIO_BASED: |
5606 |
+ case DM_TYPE_NVME_BIO_BASED: |
5607 |
+ dm_init_normal_md_queue(md); |
5608 |
+- blk_queue_make_request(md->queue, dm_make_request); |
5609 |
+ break; |
5610 |
+ case DM_TYPE_NONE: |
5611 |
+ WARN_ON_ONCE(true); |
5612 |
+diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c |
5613 |
+index bd68f6fef694..d8b4125e338c 100644 |
5614 |
+--- a/drivers/md/persistent-data/dm-space-map-common.c |
5615 |
++++ b/drivers/md/persistent-data/dm-space-map-common.c |
5616 |
+@@ -380,6 +380,33 @@ int sm_ll_find_free_block(struct ll_disk *ll, dm_block_t begin, |
5617 |
+ return -ENOSPC; |
5618 |
+ } |
5619 |
+ |
5620 |
++int sm_ll_find_common_free_block(struct ll_disk *old_ll, struct ll_disk *new_ll, |
5621 |
++ dm_block_t begin, dm_block_t end, dm_block_t *b) |
5622 |
++{ |
5623 |
++ int r; |
5624 |
++ uint32_t count; |
5625 |
++ |
5626 |
++ do { |
5627 |
++ r = sm_ll_find_free_block(new_ll, begin, new_ll->nr_blocks, b); |
5628 |
++ if (r) |
5629 |
++ break; |
5630 |
++ |
5631 |
++ /* double check this block wasn't used in the old transaction */ |
5632 |
++ if (*b >= old_ll->nr_blocks) |
5633 |
++ count = 0; |
5634 |
++ else { |
5635 |
++ r = sm_ll_lookup(old_ll, *b, &count); |
5636 |
++ if (r) |
5637 |
++ break; |
5638 |
++ |
5639 |
++ if (count) |
5640 |
++ begin = *b + 1; |
5641 |
++ } |
5642 |
++ } while (count); |
5643 |
++ |
5644 |
++ return r; |
5645 |
++} |
5646 |
++ |
5647 |
+ static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b, |
5648 |
+ int (*mutator)(void *context, uint32_t old, uint32_t *new), |
5649 |
+ void *context, enum allocation_event *ev) |
5650 |
+diff --git a/drivers/md/persistent-data/dm-space-map-common.h b/drivers/md/persistent-data/dm-space-map-common.h |
5651 |
+index b3078d5eda0c..8de63ce39bdd 100644 |
5652 |
+--- a/drivers/md/persistent-data/dm-space-map-common.h |
5653 |
++++ b/drivers/md/persistent-data/dm-space-map-common.h |
5654 |
+@@ -109,6 +109,8 @@ int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result); |
5655 |
+ int sm_ll_lookup(struct ll_disk *ll, dm_block_t b, uint32_t *result); |
5656 |
+ int sm_ll_find_free_block(struct ll_disk *ll, dm_block_t begin, |
5657 |
+ dm_block_t end, dm_block_t *result); |
5658 |
++int sm_ll_find_common_free_block(struct ll_disk *old_ll, struct ll_disk *new_ll, |
5659 |
++ dm_block_t begin, dm_block_t end, dm_block_t *result); |
5660 |
+ int sm_ll_insert(struct ll_disk *ll, dm_block_t b, uint32_t ref_count, enum allocation_event *ev); |
5661 |
+ int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev); |
5662 |
+ int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev); |
5663 |
+diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c |
5664 |
+index 32adf6b4a9c7..bf4c5e2ccb6f 100644 |
5665 |
+--- a/drivers/md/persistent-data/dm-space-map-disk.c |
5666 |
++++ b/drivers/md/persistent-data/dm-space-map-disk.c |
5667 |
+@@ -167,8 +167,10 @@ static int sm_disk_new_block(struct dm_space_map *sm, dm_block_t *b) |
5668 |
+ enum allocation_event ev; |
5669 |
+ struct sm_disk *smd = container_of(sm, struct sm_disk, sm); |
5670 |
+ |
5671 |
+- /* FIXME: we should loop round a couple of times */ |
5672 |
+- r = sm_ll_find_free_block(&smd->old_ll, smd->begin, smd->old_ll.nr_blocks, b); |
5673 |
++ /* |
5674 |
++ * Any block we allocate has to be free in both the old and current ll. |
5675 |
++ */ |
5676 |
++ r = sm_ll_find_common_free_block(&smd->old_ll, &smd->ll, smd->begin, smd->ll.nr_blocks, b); |
5677 |
+ if (r) |
5678 |
+ return r; |
5679 |
+ |
5680 |
+diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c |
5681 |
+index 25328582cc48..9e3c64ec2026 100644 |
5682 |
+--- a/drivers/md/persistent-data/dm-space-map-metadata.c |
5683 |
++++ b/drivers/md/persistent-data/dm-space-map-metadata.c |
5684 |
+@@ -448,7 +448,10 @@ static int sm_metadata_new_block_(struct dm_space_map *sm, dm_block_t *b) |
5685 |
+ enum allocation_event ev; |
5686 |
+ struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); |
5687 |
+ |
5688 |
+- r = sm_ll_find_free_block(&smm->old_ll, smm->begin, smm->old_ll.nr_blocks, b); |
5689 |
++ /* |
5690 |
++ * Any block we allocate has to be free in both the old and current ll. |
5691 |
++ */ |
5692 |
++ r = sm_ll_find_common_free_block(&smm->old_ll, &smm->ll, smm->begin, smm->ll.nr_blocks, b); |
5693 |
+ if (r) |
5694 |
+ return r; |
5695 |
+ |
5696 |
+diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c |
5697 |
+index 872d6441e512..a7deca1fefb7 100644 |
5698 |
+--- a/drivers/media/rc/iguanair.c |
5699 |
++++ b/drivers/media/rc/iguanair.c |
5700 |
+@@ -413,7 +413,7 @@ static int iguanair_probe(struct usb_interface *intf, |
5701 |
+ int ret, pipein, pipeout; |
5702 |
+ struct usb_host_interface *idesc; |
5703 |
+ |
5704 |
+- idesc = intf->altsetting; |
5705 |
++ idesc = intf->cur_altsetting; |
5706 |
+ if (idesc->desc.bNumEndpoints < 2) |
5707 |
+ return -ENODEV; |
5708 |
+ |
5709 |
+diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c |
5710 |
+index 7741151606ef..6f80c251f641 100644 |
5711 |
+--- a/drivers/media/rc/rc-main.c |
5712 |
++++ b/drivers/media/rc/rc-main.c |
5713 |
+@@ -1891,23 +1891,28 @@ int rc_register_device(struct rc_dev *dev) |
5714 |
+ |
5715 |
+ dev->registered = true; |
5716 |
+ |
5717 |
+- if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { |
5718 |
+- rc = rc_setup_rx_device(dev); |
5719 |
+- if (rc) |
5720 |
+- goto out_dev; |
5721 |
+- } |
5722 |
+- |
5723 |
+- /* Ensure that the lirc kfifo is setup before we start the thread */ |
5724 |
++ /* |
5725 |
++ * once the the input device is registered in rc_setup_rx_device, |
5726 |
++ * userspace can open the input device and rc_open() will be called |
5727 |
++ * as a result. This results in driver code being allowed to submit |
5728 |
++ * keycodes with rc_keydown, so lirc must be registered first. |
5729 |
++ */ |
5730 |
+ if (dev->allowed_protocols != RC_PROTO_BIT_CEC) { |
5731 |
+ rc = ir_lirc_register(dev); |
5732 |
+ if (rc < 0) |
5733 |
+- goto out_rx; |
5734 |
++ goto out_dev; |
5735 |
++ } |
5736 |
++ |
5737 |
++ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { |
5738 |
++ rc = rc_setup_rx_device(dev); |
5739 |
++ if (rc) |
5740 |
++ goto out_lirc; |
5741 |
+ } |
5742 |
+ |
5743 |
+ if (dev->driver_type == RC_DRIVER_IR_RAW) { |
5744 |
+ rc = ir_raw_event_register(dev); |
5745 |
+ if (rc < 0) |
5746 |
+- goto out_lirc; |
5747 |
++ goto out_rx; |
5748 |
+ } |
5749 |
+ |
5750 |
+ dev_dbg(&dev->dev, "Registered rc%u (driver: %s)\n", dev->minor, |
5751 |
+@@ -1915,11 +1920,11 @@ int rc_register_device(struct rc_dev *dev) |
5752 |
+ |
5753 |
+ return 0; |
5754 |
+ |
5755 |
++out_rx: |
5756 |
++ rc_free_rx_device(dev); |
5757 |
+ out_lirc: |
5758 |
+ if (dev->allowed_protocols != RC_PROTO_BIT_CEC) |
5759 |
+ ir_lirc_unregister(dev); |
5760 |
+-out_rx: |
5761 |
+- rc_free_rx_device(dev); |
5762 |
+ out_dev: |
5763 |
+ device_del(&dev->dev); |
5764 |
+ out_rx_free: |
5765 |
+diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c |
5766 |
+index 428235ca2635..2b688cc39bb8 100644 |
5767 |
+--- a/drivers/media/usb/uvc/uvc_driver.c |
5768 |
++++ b/drivers/media/usb/uvc/uvc_driver.c |
5769 |
+@@ -1493,6 +1493,11 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain, |
5770 |
+ break; |
5771 |
+ if (forward == prev) |
5772 |
+ continue; |
5773 |
++ if (forward->chain.next || forward->chain.prev) { |
5774 |
++ uvc_trace(UVC_TRACE_DESCR, "Found reference to " |
5775 |
++ "entity %d already in chain.\n", forward->id); |
5776 |
++ return -EINVAL; |
5777 |
++ } |
5778 |
+ |
5779 |
+ switch (UVC_ENTITY_TYPE(forward)) { |
5780 |
+ case UVC_VC_EXTENSION_UNIT: |
5781 |
+@@ -1574,6 +1579,13 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain, |
5782 |
+ return -1; |
5783 |
+ } |
5784 |
+ |
5785 |
++ if (term->chain.next || term->chain.prev) { |
5786 |
++ uvc_trace(UVC_TRACE_DESCR, "Found reference to " |
5787 |
++ "entity %d already in chain.\n", |
5788 |
++ term->id); |
5789 |
++ return -EINVAL; |
5790 |
++ } |
5791 |
++ |
5792 |
+ if (uvc_trace_param & UVC_TRACE_PROBE) |
5793 |
+ printk(KERN_CONT " %d", term->id); |
5794 |
+ |
5795 |
+diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
5796 |
+index e1eaf1135c7f..7ad6db8dd9f6 100644 |
5797 |
+--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
5798 |
++++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
5799 |
+@@ -1183,36 +1183,38 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5800 |
+ u32 aux_space; |
5801 |
+ int compatible_arg = 1; |
5802 |
+ long err = 0; |
5803 |
++ unsigned int ncmd; |
5804 |
+ |
5805 |
+ /* |
5806 |
+ * 1. When struct size is different, converts the command. |
5807 |
+ */ |
5808 |
+ switch (cmd) { |
5809 |
+- case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; |
5810 |
+- case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; |
5811 |
+- case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; |
5812 |
+- case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; |
5813 |
+- case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; |
5814 |
+- case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; |
5815 |
+- case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; |
5816 |
+- case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break; |
5817 |
+- case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break; |
5818 |
+- case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; |
5819 |
+- case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break; |
5820 |
+- case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break; |
5821 |
+- case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break; |
5822 |
+- case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break; |
5823 |
+- case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; |
5824 |
+- case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; |
5825 |
+- case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; |
5826 |
+- case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; |
5827 |
+- case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; |
5828 |
+- case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break; |
5829 |
+- case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break; |
5830 |
+- case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break; |
5831 |
+- case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break; |
5832 |
+- case VIDIOC_G_EDID32: cmd = VIDIOC_G_EDID; break; |
5833 |
+- case VIDIOC_S_EDID32: cmd = VIDIOC_S_EDID; break; |
5834 |
++ case VIDIOC_G_FMT32: ncmd = VIDIOC_G_FMT; break; |
5835 |
++ case VIDIOC_S_FMT32: ncmd = VIDIOC_S_FMT; break; |
5836 |
++ case VIDIOC_QUERYBUF32: ncmd = VIDIOC_QUERYBUF; break; |
5837 |
++ case VIDIOC_G_FBUF32: ncmd = VIDIOC_G_FBUF; break; |
5838 |
++ case VIDIOC_S_FBUF32: ncmd = VIDIOC_S_FBUF; break; |
5839 |
++ case VIDIOC_QBUF32: ncmd = VIDIOC_QBUF; break; |
5840 |
++ case VIDIOC_DQBUF32: ncmd = VIDIOC_DQBUF; break; |
5841 |
++ case VIDIOC_ENUMSTD32: ncmd = VIDIOC_ENUMSTD; break; |
5842 |
++ case VIDIOC_ENUMINPUT32: ncmd = VIDIOC_ENUMINPUT; break; |
5843 |
++ case VIDIOC_TRY_FMT32: ncmd = VIDIOC_TRY_FMT; break; |
5844 |
++ case VIDIOC_G_EXT_CTRLS32: ncmd = VIDIOC_G_EXT_CTRLS; break; |
5845 |
++ case VIDIOC_S_EXT_CTRLS32: ncmd = VIDIOC_S_EXT_CTRLS; break; |
5846 |
++ case VIDIOC_TRY_EXT_CTRLS32: ncmd = VIDIOC_TRY_EXT_CTRLS; break; |
5847 |
++ case VIDIOC_DQEVENT32: ncmd = VIDIOC_DQEVENT; break; |
5848 |
++ case VIDIOC_OVERLAY32: ncmd = VIDIOC_OVERLAY; break; |
5849 |
++ case VIDIOC_STREAMON32: ncmd = VIDIOC_STREAMON; break; |
5850 |
++ case VIDIOC_STREAMOFF32: ncmd = VIDIOC_STREAMOFF; break; |
5851 |
++ case VIDIOC_G_INPUT32: ncmd = VIDIOC_G_INPUT; break; |
5852 |
++ case VIDIOC_S_INPUT32: ncmd = VIDIOC_S_INPUT; break; |
5853 |
++ case VIDIOC_G_OUTPUT32: ncmd = VIDIOC_G_OUTPUT; break; |
5854 |
++ case VIDIOC_S_OUTPUT32: ncmd = VIDIOC_S_OUTPUT; break; |
5855 |
++ case VIDIOC_CREATE_BUFS32: ncmd = VIDIOC_CREATE_BUFS; break; |
5856 |
++ case VIDIOC_PREPARE_BUF32: ncmd = VIDIOC_PREPARE_BUF; break; |
5857 |
++ case VIDIOC_G_EDID32: ncmd = VIDIOC_G_EDID; break; |
5858 |
++ case VIDIOC_S_EDID32: ncmd = VIDIOC_S_EDID; break; |
5859 |
++ default: ncmd = cmd; break; |
5860 |
+ } |
5861 |
+ |
5862 |
+ /* |
5863 |
+@@ -1221,11 +1223,11 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5864 |
+ * argument into it. |
5865 |
+ */ |
5866 |
+ switch (cmd) { |
5867 |
+- case VIDIOC_OVERLAY: |
5868 |
+- case VIDIOC_STREAMON: |
5869 |
+- case VIDIOC_STREAMOFF: |
5870 |
+- case VIDIOC_S_INPUT: |
5871 |
+- case VIDIOC_S_OUTPUT: |
5872 |
++ case VIDIOC_OVERLAY32: |
5873 |
++ case VIDIOC_STREAMON32: |
5874 |
++ case VIDIOC_STREAMOFF32: |
5875 |
++ case VIDIOC_S_INPUT32: |
5876 |
++ case VIDIOC_S_OUTPUT32: |
5877 |
+ err = alloc_userspace(sizeof(unsigned int), 0, &new_p64); |
5878 |
+ if (!err && assign_in_user((unsigned int __user *)new_p64, |
5879 |
+ (compat_uint_t __user *)p32)) |
5880 |
+@@ -1233,23 +1235,23 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5881 |
+ compatible_arg = 0; |
5882 |
+ break; |
5883 |
+ |
5884 |
+- case VIDIOC_G_INPUT: |
5885 |
+- case VIDIOC_G_OUTPUT: |
5886 |
++ case VIDIOC_G_INPUT32: |
5887 |
++ case VIDIOC_G_OUTPUT32: |
5888 |
+ err = alloc_userspace(sizeof(unsigned int), 0, &new_p64); |
5889 |
+ compatible_arg = 0; |
5890 |
+ break; |
5891 |
+ |
5892 |
+- case VIDIOC_G_EDID: |
5893 |
+- case VIDIOC_S_EDID: |
5894 |
++ case VIDIOC_G_EDID32: |
5895 |
++ case VIDIOC_S_EDID32: |
5896 |
+ err = alloc_userspace(sizeof(struct v4l2_edid), 0, &new_p64); |
5897 |
+ if (!err) |
5898 |
+ err = get_v4l2_edid32(new_p64, p32); |
5899 |
+ compatible_arg = 0; |
5900 |
+ break; |
5901 |
+ |
5902 |
+- case VIDIOC_G_FMT: |
5903 |
+- case VIDIOC_S_FMT: |
5904 |
+- case VIDIOC_TRY_FMT: |
5905 |
++ case VIDIOC_G_FMT32: |
5906 |
++ case VIDIOC_S_FMT32: |
5907 |
++ case VIDIOC_TRY_FMT32: |
5908 |
+ err = bufsize_v4l2_format(p32, &aux_space); |
5909 |
+ if (!err) |
5910 |
+ err = alloc_userspace(sizeof(struct v4l2_format), |
5911 |
+@@ -1262,7 +1264,7 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5912 |
+ compatible_arg = 0; |
5913 |
+ break; |
5914 |
+ |
5915 |
+- case VIDIOC_CREATE_BUFS: |
5916 |
++ case VIDIOC_CREATE_BUFS32: |
5917 |
+ err = bufsize_v4l2_create(p32, &aux_space); |
5918 |
+ if (!err) |
5919 |
+ err = alloc_userspace(sizeof(struct v4l2_create_buffers), |
5920 |
+@@ -1275,10 +1277,10 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5921 |
+ compatible_arg = 0; |
5922 |
+ break; |
5923 |
+ |
5924 |
+- case VIDIOC_PREPARE_BUF: |
5925 |
+- case VIDIOC_QUERYBUF: |
5926 |
+- case VIDIOC_QBUF: |
5927 |
+- case VIDIOC_DQBUF: |
5928 |
++ case VIDIOC_PREPARE_BUF32: |
5929 |
++ case VIDIOC_QUERYBUF32: |
5930 |
++ case VIDIOC_QBUF32: |
5931 |
++ case VIDIOC_DQBUF32: |
5932 |
+ err = bufsize_v4l2_buffer(p32, &aux_space); |
5933 |
+ if (!err) |
5934 |
+ err = alloc_userspace(sizeof(struct v4l2_buffer), |
5935 |
+@@ -1291,7 +1293,7 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5936 |
+ compatible_arg = 0; |
5937 |
+ break; |
5938 |
+ |
5939 |
+- case VIDIOC_S_FBUF: |
5940 |
++ case VIDIOC_S_FBUF32: |
5941 |
+ err = alloc_userspace(sizeof(struct v4l2_framebuffer), 0, |
5942 |
+ &new_p64); |
5943 |
+ if (!err) |
5944 |
+@@ -1299,13 +1301,13 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5945 |
+ compatible_arg = 0; |
5946 |
+ break; |
5947 |
+ |
5948 |
+- case VIDIOC_G_FBUF: |
5949 |
++ case VIDIOC_G_FBUF32: |
5950 |
+ err = alloc_userspace(sizeof(struct v4l2_framebuffer), 0, |
5951 |
+ &new_p64); |
5952 |
+ compatible_arg = 0; |
5953 |
+ break; |
5954 |
+ |
5955 |
+- case VIDIOC_ENUMSTD: |
5956 |
++ case VIDIOC_ENUMSTD32: |
5957 |
+ err = alloc_userspace(sizeof(struct v4l2_standard), 0, |
5958 |
+ &new_p64); |
5959 |
+ if (!err) |
5960 |
+@@ -1313,16 +1315,16 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5961 |
+ compatible_arg = 0; |
5962 |
+ break; |
5963 |
+ |
5964 |
+- case VIDIOC_ENUMINPUT: |
5965 |
++ case VIDIOC_ENUMINPUT32: |
5966 |
+ err = alloc_userspace(sizeof(struct v4l2_input), 0, &new_p64); |
5967 |
+ if (!err) |
5968 |
+ err = get_v4l2_input32(new_p64, p32); |
5969 |
+ compatible_arg = 0; |
5970 |
+ break; |
5971 |
+ |
5972 |
+- case VIDIOC_G_EXT_CTRLS: |
5973 |
+- case VIDIOC_S_EXT_CTRLS: |
5974 |
+- case VIDIOC_TRY_EXT_CTRLS: |
5975 |
++ case VIDIOC_G_EXT_CTRLS32: |
5976 |
++ case VIDIOC_S_EXT_CTRLS32: |
5977 |
++ case VIDIOC_TRY_EXT_CTRLS32: |
5978 |
+ err = bufsize_v4l2_ext_controls(p32, &aux_space); |
5979 |
+ if (!err) |
5980 |
+ err = alloc_userspace(sizeof(struct v4l2_ext_controls), |
5981 |
+@@ -1334,7 +1336,7 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5982 |
+ } |
5983 |
+ compatible_arg = 0; |
5984 |
+ break; |
5985 |
+- case VIDIOC_DQEVENT: |
5986 |
++ case VIDIOC_DQEVENT32: |
5987 |
+ err = alloc_userspace(sizeof(struct v4l2_event), 0, &new_p64); |
5988 |
+ compatible_arg = 0; |
5989 |
+ break; |
5990 |
+@@ -1352,9 +1354,9 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
5991 |
+ * Otherwise, it will pass the newly allocated @new_p64 argument. |
5992 |
+ */ |
5993 |
+ if (compatible_arg) |
5994 |
+- err = native_ioctl(file, cmd, (unsigned long)p32); |
5995 |
++ err = native_ioctl(file, ncmd, (unsigned long)p32); |
5996 |
+ else |
5997 |
+- err = native_ioctl(file, cmd, (unsigned long)new_p64); |
5998 |
++ err = native_ioctl(file, ncmd, (unsigned long)new_p64); |
5999 |
+ |
6000 |
+ if (err == -ENOTTY) |
6001 |
+ return err; |
6002 |
+@@ -1370,13 +1372,13 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
6003 |
+ * the blocks to maximum allowed value. |
6004 |
+ */ |
6005 |
+ switch (cmd) { |
6006 |
+- case VIDIOC_G_EXT_CTRLS: |
6007 |
+- case VIDIOC_S_EXT_CTRLS: |
6008 |
+- case VIDIOC_TRY_EXT_CTRLS: |
6009 |
++ case VIDIOC_G_EXT_CTRLS32: |
6010 |
++ case VIDIOC_S_EXT_CTRLS32: |
6011 |
++ case VIDIOC_TRY_EXT_CTRLS32: |
6012 |
+ if (put_v4l2_ext_controls32(file, new_p64, p32)) |
6013 |
+ err = -EFAULT; |
6014 |
+ break; |
6015 |
+- case VIDIOC_S_EDID: |
6016 |
++ case VIDIOC_S_EDID32: |
6017 |
+ if (put_v4l2_edid32(new_p64, p32)) |
6018 |
+ err = -EFAULT; |
6019 |
+ break; |
6020 |
+@@ -1389,49 +1391,49 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar |
6021 |
+ * the original 32 bits structure. |
6022 |
+ */ |
6023 |
+ switch (cmd) { |
6024 |
+- case VIDIOC_S_INPUT: |
6025 |
+- case VIDIOC_S_OUTPUT: |
6026 |
+- case VIDIOC_G_INPUT: |
6027 |
+- case VIDIOC_G_OUTPUT: |
6028 |
++ case VIDIOC_S_INPUT32: |
6029 |
++ case VIDIOC_S_OUTPUT32: |
6030 |
++ case VIDIOC_G_INPUT32: |
6031 |
++ case VIDIOC_G_OUTPUT32: |
6032 |
+ if (assign_in_user((compat_uint_t __user *)p32, |
6033 |
+ ((unsigned int __user *)new_p64))) |
6034 |
+ err = -EFAULT; |
6035 |
+ break; |
6036 |
+ |
6037 |
+- case VIDIOC_G_FBUF: |
6038 |
++ case VIDIOC_G_FBUF32: |
6039 |
+ err = put_v4l2_framebuffer32(new_p64, p32); |
6040 |
+ break; |
6041 |
+ |
6042 |
+- case VIDIOC_DQEVENT: |
6043 |
++ case VIDIOC_DQEVENT32: |
6044 |
+ err = put_v4l2_event32(new_p64, p32); |
6045 |
+ break; |
6046 |
+ |
6047 |
+- case VIDIOC_G_EDID: |
6048 |
++ case VIDIOC_G_EDID32: |
6049 |
+ err = put_v4l2_edid32(new_p64, p32); |
6050 |
+ break; |
6051 |
+ |
6052 |
+- case VIDIOC_G_FMT: |
6053 |
+- case VIDIOC_S_FMT: |
6054 |
+- case VIDIOC_TRY_FMT: |
6055 |
++ case VIDIOC_G_FMT32: |
6056 |
++ case VIDIOC_S_FMT32: |
6057 |
++ case VIDIOC_TRY_FMT32: |
6058 |
+ err = put_v4l2_format32(new_p64, p32); |
6059 |
+ break; |
6060 |
+ |
6061 |
+- case VIDIOC_CREATE_BUFS: |
6062 |
++ case VIDIOC_CREATE_BUFS32: |
6063 |
+ err = put_v4l2_create32(new_p64, p32); |
6064 |
+ break; |
6065 |
+ |
6066 |
+- case VIDIOC_PREPARE_BUF: |
6067 |
+- case VIDIOC_QUERYBUF: |
6068 |
+- case VIDIOC_QBUF: |
6069 |
+- case VIDIOC_DQBUF: |
6070 |
++ case VIDIOC_PREPARE_BUF32: |
6071 |
++ case VIDIOC_QUERYBUF32: |
6072 |
++ case VIDIOC_QBUF32: |
6073 |
++ case VIDIOC_DQBUF32: |
6074 |
+ err = put_v4l2_buffer32(new_p64, p32); |
6075 |
+ break; |
6076 |
+ |
6077 |
+- case VIDIOC_ENUMSTD: |
6078 |
++ case VIDIOC_ENUMSTD32: |
6079 |
+ err = put_v4l2_standard32(new_p64, p32); |
6080 |
+ break; |
6081 |
+ |
6082 |
+- case VIDIOC_ENUMINPUT: |
6083 |
++ case VIDIOC_ENUMINPUT32: |
6084 |
+ err = put_v4l2_input32(new_p64, p32); |
6085 |
+ break; |
6086 |
+ } |
6087 |
+diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c |
6088 |
+index 66a6c6c236a7..28262190c3ab 100644 |
6089 |
+--- a/drivers/media/v4l2-core/videobuf-dma-sg.c |
6090 |
++++ b/drivers/media/v4l2-core/videobuf-dma-sg.c |
6091 |
+@@ -349,8 +349,11 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) |
6092 |
+ BUG_ON(dma->sglen); |
6093 |
+ |
6094 |
+ if (dma->pages) { |
6095 |
+- for (i = 0; i < dma->nr_pages; i++) |
6096 |
++ for (i = 0; i < dma->nr_pages; i++) { |
6097 |
++ if (dma->direction == DMA_FROM_DEVICE) |
6098 |
++ set_page_dirty_lock(dma->pages[i]); |
6099 |
+ put_page(dma->pages[i]); |
6100 |
++ } |
6101 |
+ kfree(dma->pages); |
6102 |
+ dma->pages = NULL; |
6103 |
+ } |
6104 |
+diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c |
6105 |
+index a4aaadaa0cb0..aa59496e4376 100644 |
6106 |
+--- a/drivers/mfd/axp20x.c |
6107 |
++++ b/drivers/mfd/axp20x.c |
6108 |
+@@ -126,7 +126,7 @@ static const struct regmap_range axp288_writeable_ranges[] = { |
6109 |
+ static const struct regmap_range axp288_volatile_ranges[] = { |
6110 |
+ regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON), |
6111 |
+ regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL), |
6112 |
+- regmap_reg_range(AXP288_BC_DET_STAT, AXP288_BC_DET_STAT), |
6113 |
++ regmap_reg_range(AXP288_BC_DET_STAT, AXP20X_VBUS_IPSOUT_MGMT), |
6114 |
+ regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL), |
6115 |
+ regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L), |
6116 |
+ regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL), |
6117 |
+diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c |
6118 |
+index e69626867c26..9143de7b77b8 100644 |
6119 |
+--- a/drivers/mfd/da9062-core.c |
6120 |
++++ b/drivers/mfd/da9062-core.c |
6121 |
+@@ -248,7 +248,7 @@ static const struct mfd_cell da9062_devs[] = { |
6122 |
+ .name = "da9062-watchdog", |
6123 |
+ .num_resources = ARRAY_SIZE(da9062_wdt_resources), |
6124 |
+ .resources = da9062_wdt_resources, |
6125 |
+- .of_compatible = "dlg,da9062-wdt", |
6126 |
++ .of_compatible = "dlg,da9062-watchdog", |
6127 |
+ }, |
6128 |
+ { |
6129 |
+ .name = "da9062-thermal", |
6130 |
+diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c |
6131 |
+index 381593fbe50f..7841c11411d0 100644 |
6132 |
+--- a/drivers/mfd/dln2.c |
6133 |
++++ b/drivers/mfd/dln2.c |
6134 |
+@@ -722,6 +722,8 @@ static int dln2_probe(struct usb_interface *interface, |
6135 |
+ const struct usb_device_id *usb_id) |
6136 |
+ { |
6137 |
+ struct usb_host_interface *hostif = interface->cur_altsetting; |
6138 |
++ struct usb_endpoint_descriptor *epin; |
6139 |
++ struct usb_endpoint_descriptor *epout; |
6140 |
+ struct device *dev = &interface->dev; |
6141 |
+ struct dln2_dev *dln2; |
6142 |
+ int ret; |
6143 |
+@@ -731,12 +733,19 @@ static int dln2_probe(struct usb_interface *interface, |
6144 |
+ hostif->desc.bNumEndpoints < 2) |
6145 |
+ return -ENODEV; |
6146 |
+ |
6147 |
++ epin = &hostif->endpoint[0].desc; |
6148 |
++ epout = &hostif->endpoint[1].desc; |
6149 |
++ if (!usb_endpoint_is_bulk_out(epout)) |
6150 |
++ return -ENODEV; |
6151 |
++ if (!usb_endpoint_is_bulk_in(epin)) |
6152 |
++ return -ENODEV; |
6153 |
++ |
6154 |
+ dln2 = kzalloc(sizeof(*dln2), GFP_KERNEL); |
6155 |
+ if (!dln2) |
6156 |
+ return -ENOMEM; |
6157 |
+ |
6158 |
+- dln2->ep_out = hostif->endpoint[0].desc.bEndpointAddress; |
6159 |
+- dln2->ep_in = hostif->endpoint[1].desc.bEndpointAddress; |
6160 |
++ dln2->ep_out = epout->bEndpointAddress; |
6161 |
++ dln2->ep_in = epin->bEndpointAddress; |
6162 |
+ dln2->usb_dev = usb_get_dev(interface_to_usbdev(interface)); |
6163 |
+ dln2->interface = interface; |
6164 |
+ usb_set_intfdata(interface, dln2); |
6165 |
+diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c |
6166 |
+index da5cd9c92a59..ead2e79036a9 100644 |
6167 |
+--- a/drivers/mfd/rn5t618.c |
6168 |
++++ b/drivers/mfd/rn5t618.c |
6169 |
+@@ -26,6 +26,7 @@ static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg) |
6170 |
+ case RN5T618_WATCHDOGCNT: |
6171 |
+ case RN5T618_DCIRQ: |
6172 |
+ case RN5T618_ILIMDATAH ... RN5T618_AIN0DATAL: |
6173 |
++ case RN5T618_ADCCNT3: |
6174 |
+ case RN5T618_IR_ADC1 ... RN5T618_IR_ADC3: |
6175 |
+ case RN5T618_IR_GPR: |
6176 |
+ case RN5T618_IR_GPF: |
6177 |
+diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c |
6178 |
+index 66e354d51ee9..7083d8ddd495 100644 |
6179 |
+--- a/drivers/mmc/host/mmc_spi.c |
6180 |
++++ b/drivers/mmc/host/mmc_spi.c |
6181 |
+@@ -1134,17 +1134,22 @@ static void mmc_spi_initsequence(struct mmc_spi_host *host) |
6182 |
+ * SPI protocol. Another is that when chipselect is released while |
6183 |
+ * the card returns BUSY status, the clock must issue several cycles |
6184 |
+ * with chipselect high before the card will stop driving its output. |
6185 |
++ * |
6186 |
++ * SPI_CS_HIGH means "asserted" here. In some cases like when using |
6187 |
++ * GPIOs for chip select, SPI_CS_HIGH is set but this will be logically |
6188 |
++ * inverted by gpiolib, so if we want to ascertain to drive it high |
6189 |
++ * we should toggle the default with an XOR as we do here. |
6190 |
+ */ |
6191 |
+- host->spi->mode |= SPI_CS_HIGH; |
6192 |
++ host->spi->mode ^= SPI_CS_HIGH; |
6193 |
+ if (spi_setup(host->spi) != 0) { |
6194 |
+ /* Just warn; most cards work without it. */ |
6195 |
+ dev_warn(&host->spi->dev, |
6196 |
+ "can't change chip-select polarity\n"); |
6197 |
+- host->spi->mode &= ~SPI_CS_HIGH; |
6198 |
++ host->spi->mode ^= SPI_CS_HIGH; |
6199 |
+ } else { |
6200 |
+ mmc_spi_readbytes(host, 18); |
6201 |
+ |
6202 |
+- host->spi->mode &= ~SPI_CS_HIGH; |
6203 |
++ host->spi->mode ^= SPI_CS_HIGH; |
6204 |
+ if (spi_setup(host->spi) != 0) { |
6205 |
+ /* Wot, we can't get the same setup we had before? */ |
6206 |
+ dev_err(&host->spi->dev, |
6207 |
+diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c |
6208 |
+index 0ae986c42bc8..9378d5dc86c8 100644 |
6209 |
+--- a/drivers/mmc/host/sdhci-of-at91.c |
6210 |
++++ b/drivers/mmc/host/sdhci-of-at91.c |
6211 |
+@@ -324,19 +324,22 @@ static int sdhci_at91_probe(struct platform_device *pdev) |
6212 |
+ priv->mainck = devm_clk_get(&pdev->dev, "baseclk"); |
6213 |
+ if (IS_ERR(priv->mainck)) { |
6214 |
+ dev_err(&pdev->dev, "failed to get baseclk\n"); |
6215 |
+- return PTR_ERR(priv->mainck); |
6216 |
++ ret = PTR_ERR(priv->mainck); |
6217 |
++ goto sdhci_pltfm_free; |
6218 |
+ } |
6219 |
+ |
6220 |
+ priv->hclock = devm_clk_get(&pdev->dev, "hclock"); |
6221 |
+ if (IS_ERR(priv->hclock)) { |
6222 |
+ dev_err(&pdev->dev, "failed to get hclock\n"); |
6223 |
+- return PTR_ERR(priv->hclock); |
6224 |
++ ret = PTR_ERR(priv->hclock); |
6225 |
++ goto sdhci_pltfm_free; |
6226 |
+ } |
6227 |
+ |
6228 |
+ priv->gck = devm_clk_get(&pdev->dev, "multclk"); |
6229 |
+ if (IS_ERR(priv->gck)) { |
6230 |
+ dev_err(&pdev->dev, "failed to get multclk\n"); |
6231 |
+- return PTR_ERR(priv->gck); |
6232 |
++ ret = PTR_ERR(priv->gck); |
6233 |
++ goto sdhci_pltfm_free; |
6234 |
+ } |
6235 |
+ |
6236 |
+ ret = sdhci_at91_set_clks_presets(&pdev->dev); |
6237 |
+diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c |
6238 |
+index c9ea365c248c..5091e2c1c0e5 100644 |
6239 |
+--- a/drivers/mmc/host/sdhci-pci-core.c |
6240 |
++++ b/drivers/mmc/host/sdhci-pci-core.c |
6241 |
+@@ -1604,7 +1604,7 @@ static u32 sdhci_read_present_state(struct sdhci_host *host) |
6242 |
+ return sdhci_readl(host, SDHCI_PRESENT_STATE); |
6243 |
+ } |
6244 |
+ |
6245 |
+-void amd_sdhci_reset(struct sdhci_host *host, u8 mask) |
6246 |
++static void amd_sdhci_reset(struct sdhci_host *host, u8 mask) |
6247 |
+ { |
6248 |
+ struct sdhci_pci_slot *slot = sdhci_priv(host); |
6249 |
+ struct pci_dev *pdev = slot->chip->pdev; |
6250 |
+diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c |
6251 |
+index 309c808351ac..f417fb680cd8 100644 |
6252 |
+--- a/drivers/mtd/spi-nor/spi-nor.c |
6253 |
++++ b/drivers/mtd/spi-nor/spi-nor.c |
6254 |
+@@ -2310,15 +2310,16 @@ static const struct flash_info spi_nor_ids[] = { |
6255 |
+ { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, |
6256 |
+ { "n25q256ax1", INFO(0x20bb19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ) }, |
6257 |
+ { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, |
6258 |
++ { "mt25qu512a", INFO6(0x20bb20, 0x104400, 64 * 1024, 1024, |
6259 |
++ SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | |
6260 |
++ SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, |
6261 |
++ { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | |
6262 |
++ SPI_NOR_QUAD_READ) }, |
6263 |
+ { "n25q00", INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, |
6264 |
+ { "n25q00a", INFO(0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, |
6265 |
+ { "mt25ql02g", INFO(0x20ba22, 0, 64 * 1024, 4096, |
6266 |
+ SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | |
6267 |
+ NO_CHIP_ERASE) }, |
6268 |
+- { "mt25qu512a (n25q512a)", INFO(0x20bb20, 0, 64 * 1024, 1024, |
6269 |
+- SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | |
6270 |
+- SPI_NOR_QUAD_READ | |
6271 |
+- SPI_NOR_4B_OPCODES) }, |
6272 |
+ { "mt25qu02g", INFO(0x20bb22, 0, 64 * 1024, 4096, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, |
6273 |
+ |
6274 |
+ /* Micron */ |
6275 |
+diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c |
6276 |
+index 30621c67721a..604772fc4a96 100644 |
6277 |
+--- a/drivers/mtd/ubi/fastmap.c |
6278 |
++++ b/drivers/mtd/ubi/fastmap.c |
6279 |
+@@ -64,7 +64,7 @@ static int self_check_seen(struct ubi_device *ubi, unsigned long *seen) |
6280 |
+ return 0; |
6281 |
+ |
6282 |
+ for (pnum = 0; pnum < ubi->peb_count; pnum++) { |
6283 |
+- if (test_bit(pnum, seen) && ubi->lookuptbl[pnum]) { |
6284 |
++ if (!test_bit(pnum, seen) && ubi->lookuptbl[pnum]) { |
6285 |
+ ubi_err(ubi, "self-check failed for PEB %d, fastmap didn't see it", pnum); |
6286 |
+ ret = -EINVAL; |
6287 |
+ } |
6288 |
+@@ -1137,7 +1137,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6289 |
+ struct rb_node *tmp_rb; |
6290 |
+ int ret, i, j, free_peb_count, used_peb_count, vol_count; |
6291 |
+ int scrub_peb_count, erase_peb_count; |
6292 |
+- unsigned long *seen_pebs = NULL; |
6293 |
++ unsigned long *seen_pebs; |
6294 |
+ |
6295 |
+ fm_raw = ubi->fm_buf; |
6296 |
+ memset(ubi->fm_buf, 0, ubi->fm_size); |
6297 |
+@@ -1151,7 +1151,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6298 |
+ dvbuf = new_fm_vbuf(ubi, UBI_FM_DATA_VOLUME_ID); |
6299 |
+ if (!dvbuf) { |
6300 |
+ ret = -ENOMEM; |
6301 |
+- goto out_kfree; |
6302 |
++ goto out_free_avbuf; |
6303 |
+ } |
6304 |
+ |
6305 |
+ avhdr = ubi_get_vid_hdr(avbuf); |
6306 |
+@@ -1160,7 +1160,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6307 |
+ seen_pebs = init_seen(ubi); |
6308 |
+ if (IS_ERR(seen_pebs)) { |
6309 |
+ ret = PTR_ERR(seen_pebs); |
6310 |
+- goto out_kfree; |
6311 |
++ goto out_free_dvbuf; |
6312 |
+ } |
6313 |
+ |
6314 |
+ spin_lock(&ubi->volumes_lock); |
6315 |
+@@ -1328,7 +1328,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6316 |
+ ret = ubi_io_write_vid_hdr(ubi, new_fm->e[0]->pnum, avbuf); |
6317 |
+ if (ret) { |
6318 |
+ ubi_err(ubi, "unable to write vid_hdr to fastmap SB!"); |
6319 |
+- goto out_kfree; |
6320 |
++ goto out_free_seen; |
6321 |
+ } |
6322 |
+ |
6323 |
+ for (i = 0; i < new_fm->used_blocks; i++) { |
6324 |
+@@ -1350,7 +1350,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6325 |
+ if (ret) { |
6326 |
+ ubi_err(ubi, "unable to write vid_hdr to PEB %i!", |
6327 |
+ new_fm->e[i]->pnum); |
6328 |
+- goto out_kfree; |
6329 |
++ goto out_free_seen; |
6330 |
+ } |
6331 |
+ } |
6332 |
+ |
6333 |
+@@ -1360,7 +1360,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6334 |
+ if (ret) { |
6335 |
+ ubi_err(ubi, "unable to write fastmap to PEB %i!", |
6336 |
+ new_fm->e[i]->pnum); |
6337 |
+- goto out_kfree; |
6338 |
++ goto out_free_seen; |
6339 |
+ } |
6340 |
+ } |
6341 |
+ |
6342 |
+@@ -1370,10 +1370,13 @@ static int ubi_write_fastmap(struct ubi_device *ubi, |
6343 |
+ ret = self_check_seen(ubi, seen_pebs); |
6344 |
+ dbg_bld("fastmap written!"); |
6345 |
+ |
6346 |
+-out_kfree: |
6347 |
+- ubi_free_vid_buf(avbuf); |
6348 |
+- ubi_free_vid_buf(dvbuf); |
6349 |
++out_free_seen: |
6350 |
+ free_seen(seen_pebs); |
6351 |
++out_free_dvbuf: |
6352 |
++ ubi_free_vid_buf(dvbuf); |
6353 |
++out_free_avbuf: |
6354 |
++ ubi_free_vid_buf(avbuf); |
6355 |
++ |
6356 |
+ out: |
6357 |
+ return ret; |
6358 |
+ } |
6359 |
+diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c |
6360 |
+index 4f2e6910c623..1cc2cd894f87 100644 |
6361 |
+--- a/drivers/net/bonding/bond_alb.c |
6362 |
++++ b/drivers/net/bonding/bond_alb.c |
6363 |
+@@ -1383,26 +1383,31 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev) |
6364 |
+ bool do_tx_balance = true; |
6365 |
+ u32 hash_index = 0; |
6366 |
+ const u8 *hash_start = NULL; |
6367 |
+- struct ipv6hdr *ip6hdr; |
6368 |
+ |
6369 |
+ skb_reset_mac_header(skb); |
6370 |
+ eth_data = eth_hdr(skb); |
6371 |
+ |
6372 |
+ switch (ntohs(skb->protocol)) { |
6373 |
+ case ETH_P_IP: { |
6374 |
+- const struct iphdr *iph = ip_hdr(skb); |
6375 |
++ const struct iphdr *iph; |
6376 |
+ |
6377 |
+ if (is_broadcast_ether_addr(eth_data->h_dest) || |
6378 |
+- iph->daddr == ip_bcast || |
6379 |
+- iph->protocol == IPPROTO_IGMP) { |
6380 |
++ !pskb_network_may_pull(skb, sizeof(*iph))) { |
6381 |
++ do_tx_balance = false; |
6382 |
++ break; |
6383 |
++ } |
6384 |
++ iph = ip_hdr(skb); |
6385 |
++ if (iph->daddr == ip_bcast || iph->protocol == IPPROTO_IGMP) { |
6386 |
+ do_tx_balance = false; |
6387 |
+ break; |
6388 |
+ } |
6389 |
+ hash_start = (char *)&(iph->daddr); |
6390 |
+ hash_size = sizeof(iph->daddr); |
6391 |
+- } |
6392 |
+ break; |
6393 |
+- case ETH_P_IPV6: |
6394 |
++ } |
6395 |
++ case ETH_P_IPV6: { |
6396 |
++ const struct ipv6hdr *ip6hdr; |
6397 |
++ |
6398 |
+ /* IPv6 doesn't really use broadcast mac address, but leave |
6399 |
+ * that here just in case. |
6400 |
+ */ |
6401 |
+@@ -1419,7 +1424,11 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev) |
6402 |
+ break; |
6403 |
+ } |
6404 |
+ |
6405 |
+- /* Additianally, DAD probes should not be tx-balanced as that |
6406 |
++ if (!pskb_network_may_pull(skb, sizeof(*ip6hdr))) { |
6407 |
++ do_tx_balance = false; |
6408 |
++ break; |
6409 |
++ } |
6410 |
++ /* Additionally, DAD probes should not be tx-balanced as that |
6411 |
+ * will lead to false positives for duplicate addresses and |
6412 |
+ * prevent address configuration from working. |
6413 |
+ */ |
6414 |
+@@ -1429,17 +1438,26 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev) |
6415 |
+ break; |
6416 |
+ } |
6417 |
+ |
6418 |
+- hash_start = (char *)&(ipv6_hdr(skb)->daddr); |
6419 |
+- hash_size = sizeof(ipv6_hdr(skb)->daddr); |
6420 |
++ hash_start = (char *)&ip6hdr->daddr; |
6421 |
++ hash_size = sizeof(ip6hdr->daddr); |
6422 |
+ break; |
6423 |
+- case ETH_P_IPX: |
6424 |
+- if (ipx_hdr(skb)->ipx_checksum != IPX_NO_CHECKSUM) { |
6425 |
++ } |
6426 |
++ case ETH_P_IPX: { |
6427 |
++ const struct ipxhdr *ipxhdr; |
6428 |
++ |
6429 |
++ if (pskb_network_may_pull(skb, sizeof(*ipxhdr))) { |
6430 |
++ do_tx_balance = false; |
6431 |
++ break; |
6432 |
++ } |
6433 |
++ ipxhdr = (struct ipxhdr *)skb_network_header(skb); |
6434 |
++ |
6435 |
++ if (ipxhdr->ipx_checksum != IPX_NO_CHECKSUM) { |
6436 |
+ /* something is wrong with this packet */ |
6437 |
+ do_tx_balance = false; |
6438 |
+ break; |
6439 |
+ } |
6440 |
+ |
6441 |
+- if (ipx_hdr(skb)->ipx_type != IPX_TYPE_NCP) { |
6442 |
++ if (ipxhdr->ipx_type != IPX_TYPE_NCP) { |
6443 |
+ /* The only protocol worth balancing in |
6444 |
+ * this family since it has an "ARP" like |
6445 |
+ * mechanism |
6446 |
+@@ -1448,9 +1466,11 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev) |
6447 |
+ break; |
6448 |
+ } |
6449 |
+ |
6450 |
++ eth_data = eth_hdr(skb); |
6451 |
+ hash_start = (char *)eth_data->h_dest; |
6452 |
+ hash_size = ETH_ALEN; |
6453 |
+ break; |
6454 |
++ } |
6455 |
+ case ETH_P_ARP: |
6456 |
+ do_tx_balance = false; |
6457 |
+ if (bond_info->rlb_enabled) |
6458 |
+diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c |
6459 |
+index a7132c1593c3..7ed667b304d1 100644 |
6460 |
+--- a/drivers/net/dsa/b53/b53_common.c |
6461 |
++++ b/drivers/net/dsa/b53/b53_common.c |
6462 |
+@@ -680,7 +680,7 @@ int b53_configure_vlan(struct dsa_switch *ds) |
6463 |
+ b53_do_vlan_op(dev, VTA_CMD_CLEAR); |
6464 |
+ } |
6465 |
+ |
6466 |
+- b53_enable_vlan(dev, false, ds->vlan_filtering); |
6467 |
++ b53_enable_vlan(dev, dev->vlan_enabled, ds->vlan_filtering); |
6468 |
+ |
6469 |
+ b53_for_each_port(dev, i) |
6470 |
+ b53_write16(dev, B53_VLAN_PAGE, |
6471 |
+diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c |
6472 |
+index 47b21096b577..fecd5e674e04 100644 |
6473 |
+--- a/drivers/net/dsa/bcm_sf2.c |
6474 |
++++ b/drivers/net/dsa/bcm_sf2.c |
6475 |
+@@ -68,7 +68,9 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) |
6476 |
+ |
6477 |
+ /* Force link status for IMP port */ |
6478 |
+ reg = core_readl(priv, offset); |
6479 |
+- reg |= (MII_SW_OR | LINK_STS | GMII_SPEED_UP_2G); |
6480 |
++ reg |= (MII_SW_OR | LINK_STS); |
6481 |
++ if (priv->type == BCM7278_DEVICE_ID) |
6482 |
++ reg |= GMII_SPEED_UP_2G; |
6483 |
+ core_writel(priv, reg, offset); |
6484 |
+ |
6485 |
+ /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ |
6486 |
+diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c |
6487 |
+index c5f64959a184..1142768969c2 100644 |
6488 |
+--- a/drivers/net/dsa/microchip/ksz9477_spi.c |
6489 |
++++ b/drivers/net/dsa/microchip/ksz9477_spi.c |
6490 |
+@@ -101,6 +101,12 @@ static struct spi_driver ksz9477_spi_driver = { |
6491 |
+ |
6492 |
+ module_spi_driver(ksz9477_spi_driver); |
6493 |
+ |
6494 |
++MODULE_ALIAS("spi:ksz9477"); |
6495 |
++MODULE_ALIAS("spi:ksz9897"); |
6496 |
++MODULE_ALIAS("spi:ksz9893"); |
6497 |
++MODULE_ALIAS("spi:ksz9563"); |
6498 |
++MODULE_ALIAS("spi:ksz8563"); |
6499 |
++MODULE_ALIAS("spi:ksz9567"); |
6500 |
+ MODULE_AUTHOR("Woojung Huh <Woojung.Huh@×××××××××.com>"); |
6501 |
+ MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch SPI access Driver"); |
6502 |
+ MODULE_LICENSE("GPL"); |
6503 |
+diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c |
6504 |
+index b4c664957266..4a27577e137b 100644 |
6505 |
+--- a/drivers/net/ethernet/broadcom/bcmsysport.c |
6506 |
++++ b/drivers/net/ethernet/broadcom/bcmsysport.c |
6507 |
+@@ -2728,6 +2728,9 @@ static int __maybe_unused bcm_sysport_resume(struct device *d) |
6508 |
+ |
6509 |
+ umac_reset(priv); |
6510 |
+ |
6511 |
++ /* Disable the UniMAC RX/TX */ |
6512 |
++ umac_enable_set(priv, CMD_RX_EN | CMD_TX_EN, 0); |
6513 |
++ |
6514 |
+ /* We may have been suspended and never received a WOL event that |
6515 |
+ * would turn off MPD detection, take care of that now |
6516 |
+ */ |
6517 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
6518 |
+index cf292f7c3d3c..41297533b4a8 100644 |
6519 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
6520 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
6521 |
+@@ -7873,7 +7873,7 @@ static void bnxt_setup_msix(struct bnxt *bp) |
6522 |
+ int tcs, i; |
6523 |
+ |
6524 |
+ tcs = netdev_get_num_tc(dev); |
6525 |
+- if (tcs > 1) { |
6526 |
++ if (tcs) { |
6527 |
+ int i, off, count; |
6528 |
+ |
6529 |
+ for (i = 0; i < tcs; i++) { |
6530 |
+@@ -9273,10 +9273,6 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init, |
6531 |
+ bnxt_debug_dev_exit(bp); |
6532 |
+ bnxt_disable_napi(bp); |
6533 |
+ del_timer_sync(&bp->timer); |
6534 |
+- if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state) && |
6535 |
+- pci_is_enabled(bp->pdev)) |
6536 |
+- pci_disable_device(bp->pdev); |
6537 |
+- |
6538 |
+ bnxt_free_skbs(bp); |
6539 |
+ |
6540 |
+ /* Save ring stats before shutdown */ |
6541 |
+@@ -10052,8 +10048,15 @@ static void bnxt_fw_reset_close(struct bnxt *bp) |
6542 |
+ { |
6543 |
+ __bnxt_close_nic(bp, true, false); |
6544 |
+ bnxt_ulp_irq_stop(bp); |
6545 |
++ /* When firmware is fatal state, disable PCI device to prevent |
6546 |
++ * any potential bad DMAs before freeing kernel memory. |
6547 |
++ */ |
6548 |
++ if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) |
6549 |
++ pci_disable_device(bp->pdev); |
6550 |
+ bnxt_clear_int_mode(bp); |
6551 |
+ bnxt_hwrm_func_drv_unrgtr(bp); |
6552 |
++ if (pci_is_enabled(bp->pdev)) |
6553 |
++ pci_disable_device(bp->pdev); |
6554 |
+ bnxt_free_ctx_mem(bp); |
6555 |
+ kfree(bp->ctx); |
6556 |
+ bp->ctx = NULL; |
6557 |
+@@ -11359,9 +11362,9 @@ static void bnxt_remove_one(struct pci_dev *pdev) |
6558 |
+ bnxt_sriov_disable(bp); |
6559 |
+ |
6560 |
+ bnxt_dl_fw_reporters_destroy(bp, true); |
6561 |
+- bnxt_dl_unregister(bp); |
6562 |
+ pci_disable_pcie_error_reporting(pdev); |
6563 |
+ unregister_netdev(dev); |
6564 |
++ bnxt_dl_unregister(bp); |
6565 |
+ bnxt_shutdown_tc(bp); |
6566 |
+ bnxt_cancel_sp_work(bp); |
6567 |
+ bp->sp_event = 0; |
6568 |
+@@ -11850,11 +11853,14 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
6569 |
+ bnxt_init_tc(bp); |
6570 |
+ } |
6571 |
+ |
6572 |
++ bnxt_dl_register(bp); |
6573 |
++ |
6574 |
+ rc = register_netdev(dev); |
6575 |
+ if (rc) |
6576 |
+- goto init_err_cleanup_tc; |
6577 |
++ goto init_err_cleanup; |
6578 |
+ |
6579 |
+- bnxt_dl_register(bp); |
6580 |
++ if (BNXT_PF(bp)) |
6581 |
++ devlink_port_type_eth_set(&bp->dl_port, bp->dev); |
6582 |
+ bnxt_dl_fw_reporters_create(bp); |
6583 |
+ |
6584 |
+ netdev_info(dev, "%s found at mem %lx, node addr %pM\n", |
6585 |
+@@ -11864,7 +11870,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
6586 |
+ |
6587 |
+ return 0; |
6588 |
+ |
6589 |
+-init_err_cleanup_tc: |
6590 |
++init_err_cleanup: |
6591 |
++ bnxt_dl_unregister(bp); |
6592 |
+ bnxt_shutdown_tc(bp); |
6593 |
+ bnxt_clear_int_mode(bp); |
6594 |
+ |
6595 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c |
6596 |
+index 1e236e74ff2f..2d817ba0602c 100644 |
6597 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c |
6598 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c |
6599 |
+@@ -482,7 +482,6 @@ int bnxt_dl_register(struct bnxt *bp) |
6600 |
+ netdev_err(bp->dev, "devlink_port_register failed"); |
6601 |
+ goto err_dl_param_unreg; |
6602 |
+ } |
6603 |
+- devlink_port_type_eth_set(&bp->dl_port, bp->dev); |
6604 |
+ |
6605 |
+ rc = devlink_port_params_register(&bp->dl_port, bnxt_dl_port_params, |
6606 |
+ ARRAY_SIZE(bnxt_dl_port_params)); |
6607 |
+diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c |
6608 |
+index f496b248bda3..95a94507cec1 100644 |
6609 |
+--- a/drivers/net/ethernet/cadence/macb_main.c |
6610 |
++++ b/drivers/net/ethernet/cadence/macb_main.c |
6611 |
+@@ -73,7 +73,11 @@ struct sifive_fu540_macb_mgmt { |
6612 |
+ /* Max length of transmit frame must be a multiple of 8 bytes */ |
6613 |
+ #define MACB_TX_LEN_ALIGN 8 |
6614 |
+ #define MACB_MAX_TX_LEN ((unsigned int)((1 << MACB_TX_FRMLEN_SIZE) - 1) & ~((unsigned int)(MACB_TX_LEN_ALIGN - 1))) |
6615 |
+-#define GEM_MAX_TX_LEN ((unsigned int)((1 << GEM_TX_FRMLEN_SIZE) - 1) & ~((unsigned int)(MACB_TX_LEN_ALIGN - 1))) |
6616 |
++/* Limit maximum TX length as per Cadence TSO errata. This is to avoid a |
6617 |
++ * false amba_error in TX path from the DMA assuming there is not enough |
6618 |
++ * space in the SRAM (16KB) even when there is. |
6619 |
++ */ |
6620 |
++#define GEM_MAX_TX_LEN (unsigned int)(0x3FC0) |
6621 |
+ |
6622 |
+ #define GEM_MTU_MIN_SIZE ETH_MIN_MTU |
6623 |
+ #define MACB_NETIF_LSO NETIF_F_TSO |
6624 |
+@@ -1664,16 +1668,14 @@ static netdev_features_t macb_features_check(struct sk_buff *skb, |
6625 |
+ |
6626 |
+ /* Validate LSO compatibility */ |
6627 |
+ |
6628 |
+- /* there is only one buffer */ |
6629 |
+- if (!skb_is_nonlinear(skb)) |
6630 |
++ /* there is only one buffer or protocol is not UDP */ |
6631 |
++ if (!skb_is_nonlinear(skb) || (ip_hdr(skb)->protocol != IPPROTO_UDP)) |
6632 |
+ return features; |
6633 |
+ |
6634 |
+ /* length of header */ |
6635 |
+ hdrlen = skb_transport_offset(skb); |
6636 |
+- if (ip_hdr(skb)->protocol == IPPROTO_TCP) |
6637 |
+- hdrlen += tcp_hdrlen(skb); |
6638 |
+ |
6639 |
+- /* For LSO: |
6640 |
++ /* For UFO only: |
6641 |
+ * When software supplies two or more payload buffers all payload buffers |
6642 |
+ * apart from the last must be a multiple of 8 bytes in size. |
6643 |
+ */ |
6644 |
+diff --git a/drivers/net/ethernet/dec/tulip/dmfe.c b/drivers/net/ethernet/dec/tulip/dmfe.c |
6645 |
+index 0efdbd1a4a6f..32d470d4122a 100644 |
6646 |
+--- a/drivers/net/ethernet/dec/tulip/dmfe.c |
6647 |
++++ b/drivers/net/ethernet/dec/tulip/dmfe.c |
6648 |
+@@ -2214,15 +2214,16 @@ static int __init dmfe_init_module(void) |
6649 |
+ if (cr6set) |
6650 |
+ dmfe_cr6_user_set = cr6set; |
6651 |
+ |
6652 |
+- switch(mode) { |
6653 |
+- case DMFE_10MHF: |
6654 |
++ switch (mode) { |
6655 |
++ case DMFE_10MHF: |
6656 |
+ case DMFE_100MHF: |
6657 |
+ case DMFE_10MFD: |
6658 |
+ case DMFE_100MFD: |
6659 |
+ case DMFE_1M_HPNA: |
6660 |
+ dmfe_media_mode = mode; |
6661 |
+ break; |
6662 |
+- default:dmfe_media_mode = DMFE_AUTO; |
6663 |
++ default: |
6664 |
++ dmfe_media_mode = DMFE_AUTO; |
6665 |
+ break; |
6666 |
+ } |
6667 |
+ |
6668 |
+diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c |
6669 |
+index b1f30b194300..117ffe08800d 100644 |
6670 |
+--- a/drivers/net/ethernet/dec/tulip/uli526x.c |
6671 |
++++ b/drivers/net/ethernet/dec/tulip/uli526x.c |
6672 |
+@@ -1809,8 +1809,8 @@ static int __init uli526x_init_module(void) |
6673 |
+ if (cr6set) |
6674 |
+ uli526x_cr6_user_set = cr6set; |
6675 |
+ |
6676 |
+- switch (mode) { |
6677 |
+- case ULI526X_10MHF: |
6678 |
++ switch (mode) { |
6679 |
++ case ULI526X_10MHF: |
6680 |
+ case ULI526X_100MHF: |
6681 |
+ case ULI526X_10MFD: |
6682 |
+ case ULI526X_100MFD: |
6683 |
+diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c |
6684 |
+index fcbe01f61aa4..e130233b5085 100644 |
6685 |
+--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c |
6686 |
++++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c |
6687 |
+@@ -2483,6 +2483,9 @@ static void dpaa_adjust_link(struct net_device *net_dev) |
6688 |
+ mac_dev->adjust_link(mac_dev); |
6689 |
+ } |
6690 |
+ |
6691 |
++/* The Aquantia PHYs are capable of performing rate adaptation */ |
6692 |
++#define PHY_VEND_AQUANTIA 0x03a1b400 |
6693 |
++ |
6694 |
+ static int dpaa_phy_init(struct net_device *net_dev) |
6695 |
+ { |
6696 |
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; |
6697 |
+@@ -2501,9 +2504,14 @@ static int dpaa_phy_init(struct net_device *net_dev) |
6698 |
+ return -ENODEV; |
6699 |
+ } |
6700 |
+ |
6701 |
+- /* Remove any features not supported by the controller */ |
6702 |
+- ethtool_convert_legacy_u32_to_link_mode(mask, mac_dev->if_support); |
6703 |
+- linkmode_and(phy_dev->supported, phy_dev->supported, mask); |
6704 |
++ /* Unless the PHY is capable of rate adaptation */ |
6705 |
++ if (mac_dev->phy_if != PHY_INTERFACE_MODE_XGMII || |
6706 |
++ ((phy_dev->drv->phy_id & GENMASK(31, 10)) != PHY_VEND_AQUANTIA)) { |
6707 |
++ /* remove any features not supported by the controller */ |
6708 |
++ ethtool_convert_legacy_u32_to_link_mode(mask, |
6709 |
++ mac_dev->if_support); |
6710 |
++ linkmode_and(phy_dev->supported, phy_dev->supported, mask); |
6711 |
++ } |
6712 |
+ |
6713 |
+ phy_support_asym_pause(phy_dev); |
6714 |
+ |
6715 |
+diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c |
6716 |
+index e49820675c8c..6b1a81df1465 100644 |
6717 |
+--- a/drivers/net/ethernet/marvell/mvneta.c |
6718 |
++++ b/drivers/net/ethernet/marvell/mvneta.c |
6719 |
+@@ -388,6 +388,8 @@ struct mvneta_pcpu_stats { |
6720 |
+ struct u64_stats_sync syncp; |
6721 |
+ u64 rx_packets; |
6722 |
+ u64 rx_bytes; |
6723 |
++ u64 rx_dropped; |
6724 |
++ u64 rx_errors; |
6725 |
+ u64 tx_packets; |
6726 |
+ u64 tx_bytes; |
6727 |
+ }; |
6728 |
+@@ -706,6 +708,8 @@ mvneta_get_stats64(struct net_device *dev, |
6729 |
+ struct mvneta_pcpu_stats *cpu_stats; |
6730 |
+ u64 rx_packets; |
6731 |
+ u64 rx_bytes; |
6732 |
++ u64 rx_dropped; |
6733 |
++ u64 rx_errors; |
6734 |
+ u64 tx_packets; |
6735 |
+ u64 tx_bytes; |
6736 |
+ |
6737 |
+@@ -714,19 +718,20 @@ mvneta_get_stats64(struct net_device *dev, |
6738 |
+ start = u64_stats_fetch_begin_irq(&cpu_stats->syncp); |
6739 |
+ rx_packets = cpu_stats->rx_packets; |
6740 |
+ rx_bytes = cpu_stats->rx_bytes; |
6741 |
++ rx_dropped = cpu_stats->rx_dropped; |
6742 |
++ rx_errors = cpu_stats->rx_errors; |
6743 |
+ tx_packets = cpu_stats->tx_packets; |
6744 |
+ tx_bytes = cpu_stats->tx_bytes; |
6745 |
+ } while (u64_stats_fetch_retry_irq(&cpu_stats->syncp, start)); |
6746 |
+ |
6747 |
+ stats->rx_packets += rx_packets; |
6748 |
+ stats->rx_bytes += rx_bytes; |
6749 |
++ stats->rx_dropped += rx_dropped; |
6750 |
++ stats->rx_errors += rx_errors; |
6751 |
+ stats->tx_packets += tx_packets; |
6752 |
+ stats->tx_bytes += tx_bytes; |
6753 |
+ } |
6754 |
+ |
6755 |
+- stats->rx_errors = dev->stats.rx_errors; |
6756 |
+- stats->rx_dropped = dev->stats.rx_dropped; |
6757 |
+- |
6758 |
+ stats->tx_dropped = dev->stats.tx_dropped; |
6759 |
+ } |
6760 |
+ |
6761 |
+@@ -1703,8 +1708,14 @@ static u32 mvneta_txq_desc_csum(int l3_offs, int l3_proto, |
6762 |
+ static void mvneta_rx_error(struct mvneta_port *pp, |
6763 |
+ struct mvneta_rx_desc *rx_desc) |
6764 |
+ { |
6765 |
++ struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); |
6766 |
+ u32 status = rx_desc->status; |
6767 |
+ |
6768 |
++ /* update per-cpu counter */ |
6769 |
++ u64_stats_update_begin(&stats->syncp); |
6770 |
++ stats->rx_errors++; |
6771 |
++ u64_stats_update_end(&stats->syncp); |
6772 |
++ |
6773 |
+ switch (status & MVNETA_RXD_ERR_CODE_MASK) { |
6774 |
+ case MVNETA_RXD_ERR_CRC: |
6775 |
+ netdev_err(pp->dev, "bad rx status %08x (crc error), size=%d\n", |
6776 |
+@@ -1965,7 +1976,6 @@ static int mvneta_rx_swbm(struct napi_struct *napi, |
6777 |
+ /* Check errors only for FIRST descriptor */ |
6778 |
+ if (rx_status & MVNETA_RXD_ERR_SUMMARY) { |
6779 |
+ mvneta_rx_error(pp, rx_desc); |
6780 |
+- dev->stats.rx_errors++; |
6781 |
+ /* leave the descriptor untouched */ |
6782 |
+ continue; |
6783 |
+ } |
6784 |
+@@ -1976,11 +1986,17 @@ static int mvneta_rx_swbm(struct napi_struct *napi, |
6785 |
+ skb_size = max(rx_copybreak, rx_header_size); |
6786 |
+ rxq->skb = netdev_alloc_skb_ip_align(dev, skb_size); |
6787 |
+ if (unlikely(!rxq->skb)) { |
6788 |
++ struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); |
6789 |
++ |
6790 |
+ netdev_err(dev, |
6791 |
+ "Can't allocate skb on queue %d\n", |
6792 |
+ rxq->id); |
6793 |
+- dev->stats.rx_dropped++; |
6794 |
++ |
6795 |
+ rxq->skb_alloc_err++; |
6796 |
++ |
6797 |
++ u64_stats_update_begin(&stats->syncp); |
6798 |
++ stats->rx_dropped++; |
6799 |
++ u64_stats_update_end(&stats->syncp); |
6800 |
+ continue; |
6801 |
+ } |
6802 |
+ copy_size = min(skb_size, rx_bytes); |
6803 |
+@@ -2137,7 +2153,6 @@ err_drop_frame_ret_pool: |
6804 |
+ mvneta_bm_pool_put_bp(pp->bm_priv, bm_pool, |
6805 |
+ rx_desc->buf_phys_addr); |
6806 |
+ err_drop_frame: |
6807 |
+- dev->stats.rx_errors++; |
6808 |
+ mvneta_rx_error(pp, rx_desc); |
6809 |
+ /* leave the descriptor untouched */ |
6810 |
+ continue; |
6811 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h |
6812 |
+index d787bc0a4155..e09bc3858d57 100644 |
6813 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h |
6814 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h |
6815 |
+@@ -45,7 +45,7 @@ void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id); |
6816 |
+ |
6817 |
+ static inline bool mlx5_accel_is_ktls_device(struct mlx5_core_dev *mdev) |
6818 |
+ { |
6819 |
+- if (!MLX5_CAP_GEN(mdev, tls)) |
6820 |
++ if (!MLX5_CAP_GEN(mdev, tls_tx)) |
6821 |
+ return false; |
6822 |
+ |
6823 |
+ if (!MLX5_CAP_GEN(mdev, log_max_dek)) |
6824 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c |
6825 |
+index 71384ad1a443..ef1ed15a53b4 100644 |
6826 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c |
6827 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c |
6828 |
+@@ -269,7 +269,7 @@ struct sk_buff *mlx5e_tls_handle_tx_skb(struct net_device *netdev, |
6829 |
+ int datalen; |
6830 |
+ u32 skb_seq; |
6831 |
+ |
6832 |
+- if (MLX5_CAP_GEN(sq->channel->mdev, tls)) { |
6833 |
++ if (MLX5_CAP_GEN(sq->channel->mdev, tls_tx)) { |
6834 |
+ skb = mlx5e_ktls_handle_tx_skb(netdev, sq, skb, wqe, pi); |
6835 |
+ goto out; |
6836 |
+ } |
6837 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c |
6838 |
+index c76da309506b..72232e570af7 100644 |
6839 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c |
6840 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c |
6841 |
+@@ -850,6 +850,7 @@ void mlx5_fpga_ipsec_delete_sa_ctx(void *context) |
6842 |
+ mutex_lock(&fpga_xfrm->lock); |
6843 |
+ if (!--fpga_xfrm->num_rules) { |
6844 |
+ mlx5_fpga_ipsec_release_sa_ctx(fpga_xfrm->sa_ctx); |
6845 |
++ kfree(fpga_xfrm->sa_ctx); |
6846 |
+ fpga_xfrm->sa_ctx = NULL; |
6847 |
+ } |
6848 |
+ mutex_unlock(&fpga_xfrm->lock); |
6849 |
+@@ -1478,7 +1479,7 @@ int mlx5_fpga_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm, |
6850 |
+ if (!memcmp(&xfrm->attrs, attrs, sizeof(xfrm->attrs))) |
6851 |
+ return 0; |
6852 |
+ |
6853 |
+- if (!mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) { |
6854 |
++ if (mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) { |
6855 |
+ mlx5_core_warn(mdev, "Tried to create an esp with unsupported attrs\n"); |
6856 |
+ return -EOPNOTSUPP; |
6857 |
+ } |
6858 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c |
6859 |
+index 791e14ac26f4..86e6bbb57482 100644 |
6860 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c |
6861 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c |
6862 |
+@@ -1555,16 +1555,16 @@ struct match_list_head { |
6863 |
+ struct match_list first; |
6864 |
+ }; |
6865 |
+ |
6866 |
+-static void free_match_list(struct match_list_head *head) |
6867 |
++static void free_match_list(struct match_list_head *head, bool ft_locked) |
6868 |
+ { |
6869 |
+ if (!list_empty(&head->list)) { |
6870 |
+ struct match_list *iter, *match_tmp; |
6871 |
+ |
6872 |
+ list_del(&head->first.list); |
6873 |
+- tree_put_node(&head->first.g->node, false); |
6874 |
++ tree_put_node(&head->first.g->node, ft_locked); |
6875 |
+ list_for_each_entry_safe(iter, match_tmp, &head->list, |
6876 |
+ list) { |
6877 |
+- tree_put_node(&iter->g->node, false); |
6878 |
++ tree_put_node(&iter->g->node, ft_locked); |
6879 |
+ list_del(&iter->list); |
6880 |
+ kfree(iter); |
6881 |
+ } |
6882 |
+@@ -1573,7 +1573,8 @@ static void free_match_list(struct match_list_head *head) |
6883 |
+ |
6884 |
+ static int build_match_list(struct match_list_head *match_head, |
6885 |
+ struct mlx5_flow_table *ft, |
6886 |
+- const struct mlx5_flow_spec *spec) |
6887 |
++ const struct mlx5_flow_spec *spec, |
6888 |
++ bool ft_locked) |
6889 |
+ { |
6890 |
+ struct rhlist_head *tmp, *list; |
6891 |
+ struct mlx5_flow_group *g; |
6892 |
+@@ -1598,7 +1599,7 @@ static int build_match_list(struct match_list_head *match_head, |
6893 |
+ |
6894 |
+ curr_match = kmalloc(sizeof(*curr_match), GFP_ATOMIC); |
6895 |
+ if (!curr_match) { |
6896 |
+- free_match_list(match_head); |
6897 |
++ free_match_list(match_head, ft_locked); |
6898 |
+ err = -ENOMEM; |
6899 |
+ goto out; |
6900 |
+ } |
6901 |
+@@ -1778,7 +1779,7 @@ search_again_locked: |
6902 |
+ version = atomic_read(&ft->node.version); |
6903 |
+ |
6904 |
+ /* Collect all fgs which has a matching match_criteria */ |
6905 |
+- err = build_match_list(&match_head, ft, spec); |
6906 |
++ err = build_match_list(&match_head, ft, spec, take_write); |
6907 |
+ if (err) { |
6908 |
+ if (take_write) |
6909 |
+ up_write_ref_node(&ft->node, false); |
6910 |
+@@ -1792,7 +1793,7 @@ search_again_locked: |
6911 |
+ |
6912 |
+ rule = try_add_to_existing_fg(ft, &match_head.list, spec, flow_act, dest, |
6913 |
+ dest_num, version); |
6914 |
+- free_match_list(&match_head); |
6915 |
++ free_match_list(&match_head, take_write); |
6916 |
+ if (!IS_ERR(rule) || |
6917 |
+ (PTR_ERR(rule) != -ENOENT && PTR_ERR(rule) != -EAGAIN)) { |
6918 |
+ if (take_write) |
6919 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c |
6920 |
+index a19790dee7b2..13e86f0b42f5 100644 |
6921 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c |
6922 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c |
6923 |
+@@ -239,7 +239,7 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) |
6924 |
+ return err; |
6925 |
+ } |
6926 |
+ |
6927 |
+- if (MLX5_CAP_GEN(dev, tls)) { |
6928 |
++ if (MLX5_CAP_GEN(dev, tls_tx)) { |
6929 |
+ err = mlx5_core_get_caps(dev, MLX5_CAP_TLS); |
6930 |
+ if (err) |
6931 |
+ return err; |
6932 |
+diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h |
6933 |
+index 5bfdda19f64d..d8745f87f065 100644 |
6934 |
+--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h |
6935 |
++++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h |
6936 |
+@@ -862,7 +862,7 @@ struct ionic_rxq_comp { |
6937 |
+ #define IONIC_RXQ_COMP_CSUM_F_VLAN 0x40 |
6938 |
+ #define IONIC_RXQ_COMP_CSUM_F_CALC 0x80 |
6939 |
+ u8 pkt_type_color; |
6940 |
+-#define IONIC_RXQ_COMP_PKT_TYPE_MASK 0x0f |
6941 |
++#define IONIC_RXQ_COMP_PKT_TYPE_MASK 0x7f |
6942 |
+ }; |
6943 |
+ |
6944 |
+ enum ionic_pkt_type { |
6945 |
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.c b/drivers/net/ethernet/qlogic/qed/qed_ptp.c |
6946 |
+index 0dacf2c18c09..3e613058e225 100644 |
6947 |
+--- a/drivers/net/ethernet/qlogic/qed/qed_ptp.c |
6948 |
++++ b/drivers/net/ethernet/qlogic/qed/qed_ptp.c |
6949 |
+@@ -44,8 +44,8 @@ |
6950 |
+ /* Add/subtract the Adjustment_Value when making a Drift adjustment */ |
6951 |
+ #define QED_DRIFT_CNTR_DIRECTION_SHIFT 31 |
6952 |
+ #define QED_TIMESTAMP_MASK BIT(16) |
6953 |
+-/* Param mask for Hardware to detect/timestamp the unicast PTP packets */ |
6954 |
+-#define QED_PTP_UCAST_PARAM_MASK 0xF |
6955 |
++/* Param mask for Hardware to detect/timestamp the L2/L4 unicast PTP packets */ |
6956 |
++#define QED_PTP_UCAST_PARAM_MASK 0x70F |
6957 |
+ |
6958 |
+ static enum qed_resc_lock qed_ptcdev_to_resc(struct qed_hwfn *p_hwfn) |
6959 |
+ { |
6960 |
+diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c |
6961 |
+index 8d88e4083456..7b65e79d6ae9 100644 |
6962 |
+--- a/drivers/net/ethernet/smsc/smc911x.c |
6963 |
++++ b/drivers/net/ethernet/smsc/smc911x.c |
6964 |
+@@ -936,7 +936,7 @@ static void smc911x_phy_configure(struct work_struct *work) |
6965 |
+ if (lp->ctl_rspeed != 100) |
6966 |
+ my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF); |
6967 |
+ |
6968 |
+- if (!lp->ctl_rfduplx) |
6969 |
++ if (!lp->ctl_rfduplx) |
6970 |
+ my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL); |
6971 |
+ |
6972 |
+ /* Update our Auto-Neg Advertisement Register */ |
6973 |
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c |
6974 |
+index 7ec895407d23..e0a5fe83d8e0 100644 |
6975 |
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c |
6976 |
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c |
6977 |
+@@ -413,6 +413,7 @@ static int ethqos_configure(struct qcom_ethqos *ethqos) |
6978 |
+ dll_lock = rgmii_readl(ethqos, SDC4_STATUS); |
6979 |
+ if (dll_lock & SDC4_STATUS_DLL_LOCK) |
6980 |
+ break; |
6981 |
++ retry--; |
6982 |
+ } while (retry > 0); |
6983 |
+ if (!retry) |
6984 |
+ dev_err(ðqos->pdev->dev, |
6985 |
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
6986 |
+index 06dd65c419c4..582176d869c3 100644 |
6987 |
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
6988 |
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
6989 |
+@@ -4763,6 +4763,7 @@ int stmmac_suspend(struct device *dev) |
6990 |
+ { |
6991 |
+ struct net_device *ndev = dev_get_drvdata(dev); |
6992 |
+ struct stmmac_priv *priv = netdev_priv(ndev); |
6993 |
++ u32 chan; |
6994 |
+ |
6995 |
+ if (!ndev || !netif_running(ndev)) |
6996 |
+ return 0; |
6997 |
+@@ -4776,6 +4777,9 @@ int stmmac_suspend(struct device *dev) |
6998 |
+ |
6999 |
+ stmmac_disable_all_queues(priv); |
7000 |
+ |
7001 |
++ for (chan = 0; chan < priv->plat->tx_queues_to_use; chan++) |
7002 |
++ del_timer_sync(&priv->tx_queue[chan].txtimer); |
7003 |
++ |
7004 |
+ /* Stop TX/RX DMA */ |
7005 |
+ stmmac_stop_all_dma(priv); |
7006 |
+ |
7007 |
+diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c |
7008 |
+index 9b3ba98726d7..3a53d222bfcc 100644 |
7009 |
+--- a/drivers/net/gtp.c |
7010 |
++++ b/drivers/net/gtp.c |
7011 |
+@@ -767,12 +767,12 @@ static int gtp_hashtable_new(struct gtp_dev *gtp, int hsize) |
7012 |
+ int i; |
7013 |
+ |
7014 |
+ gtp->addr_hash = kmalloc_array(hsize, sizeof(struct hlist_head), |
7015 |
+- GFP_KERNEL); |
7016 |
++ GFP_KERNEL | __GFP_NOWARN); |
7017 |
+ if (gtp->addr_hash == NULL) |
7018 |
+ return -ENOMEM; |
7019 |
+ |
7020 |
+ gtp->tid_hash = kmalloc_array(hsize, sizeof(struct hlist_head), |
7021 |
+- GFP_KERNEL); |
7022 |
++ GFP_KERNEL | __GFP_NOWARN); |
7023 |
+ if (gtp->tid_hash == NULL) |
7024 |
+ goto err1; |
7025 |
+ |
7026 |
+diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c |
7027 |
+index 44c2d857a7fa..91b302f0192f 100644 |
7028 |
+--- a/drivers/net/netdevsim/dev.c |
7029 |
++++ b/drivers/net/netdevsim/dev.c |
7030 |
+@@ -73,7 +73,7 @@ static const struct file_operations nsim_dev_take_snapshot_fops = { |
7031 |
+ |
7032 |
+ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev) |
7033 |
+ { |
7034 |
+- char dev_ddir_name[16]; |
7035 |
++ char dev_ddir_name[sizeof(DRV_NAME) + 10]; |
7036 |
+ |
7037 |
+ sprintf(dev_ddir_name, DRV_NAME "%u", nsim_dev->nsim_bus_dev->dev.id); |
7038 |
+ nsim_dev->ddir = debugfs_create_dir(dev_ddir_name, nsim_dev_ddir); |
7039 |
+diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c |
7040 |
+index a7b9cf3269bf..29a0917a81e6 100644 |
7041 |
+--- a/drivers/net/ppp/ppp_async.c |
7042 |
++++ b/drivers/net/ppp/ppp_async.c |
7043 |
+@@ -874,15 +874,15 @@ ppp_async_input(struct asyncppp *ap, const unsigned char *buf, |
7044 |
+ skb = dev_alloc_skb(ap->mru + PPP_HDRLEN + 2); |
7045 |
+ if (!skb) |
7046 |
+ goto nomem; |
7047 |
+- ap->rpkt = skb; |
7048 |
+- } |
7049 |
+- if (skb->len == 0) { |
7050 |
+- /* Try to get the payload 4-byte aligned. |
7051 |
+- * This should match the |
7052 |
+- * PPP_ALLSTATIONS/PPP_UI/compressed tests in |
7053 |
+- * process_input_packet, but we do not have |
7054 |
+- * enough chars here to test buf[1] and buf[2]. |
7055 |
+- */ |
7056 |
++ ap->rpkt = skb; |
7057 |
++ } |
7058 |
++ if (skb->len == 0) { |
7059 |
++ /* Try to get the payload 4-byte aligned. |
7060 |
++ * This should match the |
7061 |
++ * PPP_ALLSTATIONS/PPP_UI/compressed tests in |
7062 |
++ * process_input_packet, but we do not have |
7063 |
++ * enough chars here to test buf[1] and buf[2]. |
7064 |
++ */ |
7065 |
+ if (buf[0] != PPP_ALLSTATIONS) |
7066 |
+ skb_reserve(skb, 2 + (buf[0] & 1)); |
7067 |
+ } |
7068 |
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c |
7069 |
+index 7cdfde9b3dea..575ed19e9195 100644 |
7070 |
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c |
7071 |
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c |
7072 |
+@@ -430,6 +430,7 @@ fail: |
7073 |
+ usb_free_urb(req->urb); |
7074 |
+ list_del(q->next); |
7075 |
+ } |
7076 |
++ kfree(reqs); |
7077 |
+ return NULL; |
7078 |
+ |
7079 |
+ } |
7080 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c |
7081 |
+index b3768d5d852a..8ad2d889179c 100644 |
7082 |
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c |
7083 |
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c |
7084 |
+@@ -3321,6 +3321,10 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm, |
7085 |
+ igtk_cmd.sta_id = cpu_to_le32(sta_id); |
7086 |
+ |
7087 |
+ if (remove_key) { |
7088 |
++ /* This is a valid situation for IGTK */ |
7089 |
++ if (sta_id == IWL_MVM_INVALID_STA) |
7090 |
++ return 0; |
7091 |
++ |
7092 |
+ igtk_cmd.ctrl_flags |= cpu_to_le32(STA_KEY_NOT_VALID); |
7093 |
+ } else { |
7094 |
+ struct ieee80211_key_seq seq; |
7095 |
+@@ -3575,9 +3579,9 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, |
7096 |
+ IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", |
7097 |
+ keyconf->keyidx, sta_id); |
7098 |
+ |
7099 |
+- if (mvm_sta && (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || |
7100 |
+- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || |
7101 |
+- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) |
7102 |
++ if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || |
7103 |
++ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || |
7104 |
++ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) |
7105 |
+ return iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, true); |
7106 |
+ |
7107 |
+ if (!__test_and_clear_bit(keyconf->hw_key_idx, mvm->fw_key_table)) { |
7108 |
+diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c |
7109 |
+index 6dd835f1efc2..fbfa0b15d0c8 100644 |
7110 |
+--- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c |
7111 |
++++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c |
7112 |
+@@ -232,6 +232,7 @@ static int mwifiex_process_country_ie(struct mwifiex_private *priv, |
7113 |
+ |
7114 |
+ if (country_ie_len > |
7115 |
+ (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) { |
7116 |
++ rcu_read_unlock(); |
7117 |
+ mwifiex_dbg(priv->adapter, ERROR, |
7118 |
+ "11D: country_ie_len overflow!, deauth AP\n"); |
7119 |
+ return -EINVAL; |
7120 |
+diff --git a/drivers/nfc/pn544/pn544.c b/drivers/nfc/pn544/pn544.c |
7121 |
+index cda996f6954e..2b83156efe3f 100644 |
7122 |
+--- a/drivers/nfc/pn544/pn544.c |
7123 |
++++ b/drivers/nfc/pn544/pn544.c |
7124 |
+@@ -693,7 +693,7 @@ static int pn544_hci_check_presence(struct nfc_hci_dev *hdev, |
7125 |
+ target->nfcid1_len != 10) |
7126 |
+ return -EOPNOTSUPP; |
7127 |
+ |
7128 |
+- return nfc_hci_send_cmd(hdev, NFC_HCI_RF_READER_A_GATE, |
7129 |
++ return nfc_hci_send_cmd(hdev, NFC_HCI_RF_READER_A_GATE, |
7130 |
+ PN544_RF_READER_CMD_ACTIVATE_NEXT, |
7131 |
+ target->nfcid1, target->nfcid1_len, NULL); |
7132 |
+ } else if (target->supported_protocols & (NFC_PROTO_JEWEL_MASK | |
7133 |
+diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c |
7134 |
+index d16b55ffe79f..4e9004fe5c6f 100644 |
7135 |
+--- a/drivers/nvme/target/fabrics-cmd.c |
7136 |
++++ b/drivers/nvme/target/fabrics-cmd.c |
7137 |
+@@ -105,6 +105,7 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) |
7138 |
+ u16 qid = le16_to_cpu(c->qid); |
7139 |
+ u16 sqsize = le16_to_cpu(c->sqsize); |
7140 |
+ struct nvmet_ctrl *old; |
7141 |
++ u16 ret; |
7142 |
+ |
7143 |
+ old = cmpxchg(&req->sq->ctrl, NULL, ctrl); |
7144 |
+ if (old) { |
7145 |
+@@ -115,7 +116,8 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) |
7146 |
+ if (!sqsize) { |
7147 |
+ pr_warn("queue size zero!\n"); |
7148 |
+ req->error_loc = offsetof(struct nvmf_connect_command, sqsize); |
7149 |
+- return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR; |
7150 |
++ ret = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR; |
7151 |
++ goto err; |
7152 |
+ } |
7153 |
+ |
7154 |
+ /* note: convert queue size from 0's-based value to 1's-based value */ |
7155 |
+@@ -128,16 +130,19 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) |
7156 |
+ } |
7157 |
+ |
7158 |
+ if (ctrl->ops->install_queue) { |
7159 |
+- u16 ret = ctrl->ops->install_queue(req->sq); |
7160 |
+- |
7161 |
++ ret = ctrl->ops->install_queue(req->sq); |
7162 |
+ if (ret) { |
7163 |
+ pr_err("failed to install queue %d cntlid %d ret %x\n", |
7164 |
+- qid, ret, ctrl->cntlid); |
7165 |
+- return ret; |
7166 |
++ qid, ctrl->cntlid, ret); |
7167 |
++ goto err; |
7168 |
+ } |
7169 |
+ } |
7170 |
+ |
7171 |
+ return 0; |
7172 |
++ |
7173 |
++err: |
7174 |
++ req->sq->ctrl = NULL; |
7175 |
++ return ret; |
7176 |
+ } |
7177 |
+ |
7178 |
+ static void nvmet_execute_admin_connect(struct nvmet_req *req) |
7179 |
+diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c |
7180 |
+index 057d1ff87d5d..960542dea5ad 100644 |
7181 |
+--- a/drivers/nvmem/core.c |
7182 |
++++ b/drivers/nvmem/core.c |
7183 |
+@@ -110,7 +110,7 @@ static void nvmem_cell_drop(struct nvmem_cell *cell) |
7184 |
+ list_del(&cell->node); |
7185 |
+ mutex_unlock(&nvmem_mutex); |
7186 |
+ of_node_put(cell->np); |
7187 |
+- kfree(cell->name); |
7188 |
++ kfree_const(cell->name); |
7189 |
+ kfree(cell); |
7190 |
+ } |
7191 |
+ |
7192 |
+@@ -137,7 +137,9 @@ static int nvmem_cell_info_to_nvmem_cell(struct nvmem_device *nvmem, |
7193 |
+ cell->nvmem = nvmem; |
7194 |
+ cell->offset = info->offset; |
7195 |
+ cell->bytes = info->bytes; |
7196 |
+- cell->name = info->name; |
7197 |
++ cell->name = kstrdup_const(info->name, GFP_KERNEL); |
7198 |
++ if (!cell->name) |
7199 |
++ return -ENOMEM; |
7200 |
+ |
7201 |
+ cell->bit_offset = info->bit_offset; |
7202 |
+ cell->nbits = info->nbits; |
7203 |
+@@ -327,7 +329,7 @@ static int nvmem_add_cells_from_of(struct nvmem_device *nvmem) |
7204 |
+ dev_err(dev, "cell %s unaligned to nvmem stride %d\n", |
7205 |
+ cell->name, nvmem->stride); |
7206 |
+ /* Cells already added will be freed later. */ |
7207 |
+- kfree(cell->name); |
7208 |
++ kfree_const(cell->name); |
7209 |
+ kfree(cell); |
7210 |
+ return -EINVAL; |
7211 |
+ } |
7212 |
+diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig |
7213 |
+index 37c2ccbefecd..d91618641be6 100644 |
7214 |
+--- a/drivers/of/Kconfig |
7215 |
++++ b/drivers/of/Kconfig |
7216 |
+@@ -103,4 +103,8 @@ config OF_OVERLAY |
7217 |
+ config OF_NUMA |
7218 |
+ bool |
7219 |
+ |
7220 |
++config OF_DMA_DEFAULT_COHERENT |
7221 |
++ # arches should select this if DMA is coherent by default for OF devices |
7222 |
++ bool |
7223 |
++ |
7224 |
+ endif # OF |
7225 |
+diff --git a/drivers/of/address.c b/drivers/of/address.c |
7226 |
+index 978427a9d5e6..8f74c4626e0e 100644 |
7227 |
+--- a/drivers/of/address.c |
7228 |
++++ b/drivers/of/address.c |
7229 |
+@@ -998,12 +998,16 @@ EXPORT_SYMBOL_GPL(of_dma_get_range); |
7230 |
+ * @np: device node |
7231 |
+ * |
7232 |
+ * It returns true if "dma-coherent" property was found |
7233 |
+- * for this device in DT. |
7234 |
++ * for this device in the DT, or if DMA is coherent by |
7235 |
++ * default for OF devices on the current platform. |
7236 |
+ */ |
7237 |
+ bool of_dma_is_coherent(struct device_node *np) |
7238 |
+ { |
7239 |
+ struct device_node *node = of_node_get(np); |
7240 |
+ |
7241 |
++ if (IS_ENABLED(CONFIG_OF_DMA_DEFAULT_COHERENT)) |
7242 |
++ return true; |
7243 |
++ |
7244 |
+ while (node) { |
7245 |
+ if (of_property_read_bool(node, "dma-coherent")) { |
7246 |
+ of_node_put(node); |
7247 |
+diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c |
7248 |
+index af677254a072..c8c702c494a2 100644 |
7249 |
+--- a/drivers/pci/controller/dwc/pci-keystone.c |
7250 |
++++ b/drivers/pci/controller/dwc/pci-keystone.c |
7251 |
+@@ -422,7 +422,7 @@ static void ks_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie) |
7252 |
+ lower_32_bits(start) | OB_ENABLEN); |
7253 |
+ ks_pcie_app_writel(ks_pcie, OB_OFFSET_HI(i), |
7254 |
+ upper_32_bits(start)); |
7255 |
+- start += OB_WIN_SIZE; |
7256 |
++ start += OB_WIN_SIZE * SZ_1M; |
7257 |
+ } |
7258 |
+ |
7259 |
+ val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); |
7260 |
+@@ -510,7 +510,7 @@ static void ks_pcie_stop_link(struct dw_pcie *pci) |
7261 |
+ /* Disable Link training */ |
7262 |
+ val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); |
7263 |
+ val &= ~LTSSM_EN_VAL; |
7264 |
+- ks_pcie_app_writel(ks_pcie, CMD_STATUS, LTSSM_EN_VAL | val); |
7265 |
++ ks_pcie_app_writel(ks_pcie, CMD_STATUS, val); |
7266 |
+ } |
7267 |
+ |
7268 |
+ static int ks_pcie_start_link(struct dw_pcie *pci) |
7269 |
+@@ -1354,7 +1354,7 @@ static int __init ks_pcie_probe(struct platform_device *pdev) |
7270 |
+ ret = of_property_read_u32(np, "num-viewport", &num_viewport); |
7271 |
+ if (ret < 0) { |
7272 |
+ dev_err(dev, "unable to read *num-viewport* property\n"); |
7273 |
+- return ret; |
7274 |
++ goto err_get_sync; |
7275 |
+ } |
7276 |
+ |
7277 |
+ /* |
7278 |
+diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c |
7279 |
+index 673a1725ef38..090b632965e2 100644 |
7280 |
+--- a/drivers/pci/controller/pci-tegra.c |
7281 |
++++ b/drivers/pci/controller/pci-tegra.c |
7282 |
+@@ -2798,7 +2798,7 @@ static int tegra_pcie_probe(struct platform_device *pdev) |
7283 |
+ |
7284 |
+ pm_runtime_enable(pcie->dev); |
7285 |
+ err = pm_runtime_get_sync(pcie->dev); |
7286 |
+- if (err) { |
7287 |
++ if (err < 0) { |
7288 |
+ dev_err(dev, "fail to enable pcie controller: %d\n", err); |
7289 |
+ goto teardown_msi; |
7290 |
+ } |
7291 |
+diff --git a/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c b/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c |
7292 |
+index 42bc5150dd92..febe0aef68d4 100644 |
7293 |
+--- a/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c |
7294 |
++++ b/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c |
7295 |
+@@ -80,7 +80,7 @@ static int read_poll_timeout(void __iomem *addr, u32 mask) |
7296 |
+ if (readl_relaxed(addr) & mask) |
7297 |
+ return 0; |
7298 |
+ |
7299 |
+- usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); |
7300 |
++ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); |
7301 |
+ } while (!time_after(jiffies, timeout)); |
7302 |
+ |
7303 |
+ return (readl_relaxed(addr) & mask) ? 0 : -ETIMEDOUT; |
7304 |
+diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c |
7305 |
+index cdab916fbf92..e330ec73c465 100644 |
7306 |
+--- a/drivers/platform/x86/intel_scu_ipc.c |
7307 |
++++ b/drivers/platform/x86/intel_scu_ipc.c |
7308 |
+@@ -67,26 +67,22 @@ |
7309 |
+ struct intel_scu_ipc_pdata_t { |
7310 |
+ u32 i2c_base; |
7311 |
+ u32 i2c_len; |
7312 |
+- u8 irq_mode; |
7313 |
+ }; |
7314 |
+ |
7315 |
+ static const struct intel_scu_ipc_pdata_t intel_scu_ipc_lincroft_pdata = { |
7316 |
+ .i2c_base = 0xff12b000, |
7317 |
+ .i2c_len = 0x10, |
7318 |
+- .irq_mode = 0, |
7319 |
+ }; |
7320 |
+ |
7321 |
+ /* Penwell and Cloverview */ |
7322 |
+ static const struct intel_scu_ipc_pdata_t intel_scu_ipc_penwell_pdata = { |
7323 |
+ .i2c_base = 0xff12b000, |
7324 |
+ .i2c_len = 0x10, |
7325 |
+- .irq_mode = 1, |
7326 |
+ }; |
7327 |
+ |
7328 |
+ static const struct intel_scu_ipc_pdata_t intel_scu_ipc_tangier_pdata = { |
7329 |
+ .i2c_base = 0xff00d000, |
7330 |
+ .i2c_len = 0x10, |
7331 |
+- .irq_mode = 0, |
7332 |
+ }; |
7333 |
+ |
7334 |
+ struct intel_scu_ipc_dev { |
7335 |
+@@ -99,6 +95,9 @@ struct intel_scu_ipc_dev { |
7336 |
+ |
7337 |
+ static struct intel_scu_ipc_dev ipcdev; /* Only one for now */ |
7338 |
+ |
7339 |
++#define IPC_STATUS 0x04 |
7340 |
++#define IPC_STATUS_IRQ BIT(2) |
7341 |
++ |
7342 |
+ /* |
7343 |
+ * IPC Read Buffer (Read Only): |
7344 |
+ * 16 byte buffer for receiving data from SCU, if IPC command |
7345 |
+@@ -120,11 +119,8 @@ static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */ |
7346 |
+ */ |
7347 |
+ static inline void ipc_command(struct intel_scu_ipc_dev *scu, u32 cmd) |
7348 |
+ { |
7349 |
+- if (scu->irq_mode) { |
7350 |
+- reinit_completion(&scu->cmd_complete); |
7351 |
+- writel(cmd | IPC_IOC, scu->ipc_base); |
7352 |
+- } |
7353 |
+- writel(cmd, scu->ipc_base); |
7354 |
++ reinit_completion(&scu->cmd_complete); |
7355 |
++ writel(cmd | IPC_IOC, scu->ipc_base); |
7356 |
+ } |
7357 |
+ |
7358 |
+ /* |
7359 |
+@@ -610,9 +606,10 @@ EXPORT_SYMBOL(intel_scu_ipc_i2c_cntrl); |
7360 |
+ static irqreturn_t ioc(int irq, void *dev_id) |
7361 |
+ { |
7362 |
+ struct intel_scu_ipc_dev *scu = dev_id; |
7363 |
++ int status = ipc_read_status(scu); |
7364 |
+ |
7365 |
+- if (scu->irq_mode) |
7366 |
+- complete(&scu->cmd_complete); |
7367 |
++ writel(status | IPC_STATUS_IRQ, scu->ipc_base + IPC_STATUS); |
7368 |
++ complete(&scu->cmd_complete); |
7369 |
+ |
7370 |
+ return IRQ_HANDLED; |
7371 |
+ } |
7372 |
+@@ -638,8 +635,6 @@ static int ipc_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
7373 |
+ if (!pdata) |
7374 |
+ return -ENODEV; |
7375 |
+ |
7376 |
+- scu->irq_mode = pdata->irq_mode; |
7377 |
+- |
7378 |
+ err = pcim_enable_device(pdev); |
7379 |
+ if (err) |
7380 |
+ return err; |
7381 |
+diff --git a/drivers/power/supply/axp20x_ac_power.c b/drivers/power/supply/axp20x_ac_power.c |
7382 |
+index 0d34a932b6d5..f74b0556bb6b 100644 |
7383 |
+--- a/drivers/power/supply/axp20x_ac_power.c |
7384 |
++++ b/drivers/power/supply/axp20x_ac_power.c |
7385 |
+@@ -23,6 +23,8 @@ |
7386 |
+ #define AXP20X_PWR_STATUS_ACIN_PRESENT BIT(7) |
7387 |
+ #define AXP20X_PWR_STATUS_ACIN_AVAIL BIT(6) |
7388 |
+ |
7389 |
++#define AXP813_ACIN_PATH_SEL BIT(7) |
7390 |
++ |
7391 |
+ #define AXP813_VHOLD_MASK GENMASK(5, 3) |
7392 |
+ #define AXP813_VHOLD_UV_TO_BIT(x) ((((x) / 100000) - 40) << 3) |
7393 |
+ #define AXP813_VHOLD_REG_TO_UV(x) \ |
7394 |
+@@ -40,6 +42,7 @@ struct axp20x_ac_power { |
7395 |
+ struct power_supply *supply; |
7396 |
+ struct iio_channel *acin_v; |
7397 |
+ struct iio_channel *acin_i; |
7398 |
++ bool has_acin_path_sel; |
7399 |
+ }; |
7400 |
+ |
7401 |
+ static irqreturn_t axp20x_ac_power_irq(int irq, void *devid) |
7402 |
+@@ -86,6 +89,17 @@ static int axp20x_ac_power_get_property(struct power_supply *psy, |
7403 |
+ return ret; |
7404 |
+ |
7405 |
+ val->intval = !!(reg & AXP20X_PWR_STATUS_ACIN_AVAIL); |
7406 |
++ |
7407 |
++ /* ACIN_PATH_SEL disables ACIN even if ACIN_AVAIL is set. */ |
7408 |
++ if (val->intval && power->has_acin_path_sel) { |
7409 |
++ ret = regmap_read(power->regmap, AXP813_ACIN_PATH_CTRL, |
7410 |
++ ®); |
7411 |
++ if (ret) |
7412 |
++ return ret; |
7413 |
++ |
7414 |
++ val->intval = !!(reg & AXP813_ACIN_PATH_SEL); |
7415 |
++ } |
7416 |
++ |
7417 |
+ return 0; |
7418 |
+ |
7419 |
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
7420 |
+@@ -224,21 +238,25 @@ static const struct power_supply_desc axp813_ac_power_desc = { |
7421 |
+ struct axp_data { |
7422 |
+ const struct power_supply_desc *power_desc; |
7423 |
+ bool acin_adc; |
7424 |
++ bool acin_path_sel; |
7425 |
+ }; |
7426 |
+ |
7427 |
+ static const struct axp_data axp20x_data = { |
7428 |
+- .power_desc = &axp20x_ac_power_desc, |
7429 |
+- .acin_adc = true, |
7430 |
++ .power_desc = &axp20x_ac_power_desc, |
7431 |
++ .acin_adc = true, |
7432 |
++ .acin_path_sel = false, |
7433 |
+ }; |
7434 |
+ |
7435 |
+ static const struct axp_data axp22x_data = { |
7436 |
+- .power_desc = &axp22x_ac_power_desc, |
7437 |
+- .acin_adc = false, |
7438 |
++ .power_desc = &axp22x_ac_power_desc, |
7439 |
++ .acin_adc = false, |
7440 |
++ .acin_path_sel = false, |
7441 |
+ }; |
7442 |
+ |
7443 |
+ static const struct axp_data axp813_data = { |
7444 |
+- .power_desc = &axp813_ac_power_desc, |
7445 |
+- .acin_adc = false, |
7446 |
++ .power_desc = &axp813_ac_power_desc, |
7447 |
++ .acin_adc = false, |
7448 |
++ .acin_path_sel = true, |
7449 |
+ }; |
7450 |
+ |
7451 |
+ static int axp20x_ac_power_probe(struct platform_device *pdev) |
7452 |
+@@ -282,6 +300,7 @@ static int axp20x_ac_power_probe(struct platform_device *pdev) |
7453 |
+ } |
7454 |
+ |
7455 |
+ power->regmap = dev_get_regmap(pdev->dev.parent, NULL); |
7456 |
++ power->has_acin_path_sel = axp_data->acin_path_sel; |
7457 |
+ |
7458 |
+ platform_set_drvdata(pdev, power); |
7459 |
+ |
7460 |
+diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c |
7461 |
+index da49436176cd..30a9014b2f95 100644 |
7462 |
+--- a/drivers/power/supply/ltc2941-battery-gauge.c |
7463 |
++++ b/drivers/power/supply/ltc2941-battery-gauge.c |
7464 |
+@@ -449,7 +449,7 @@ static int ltc294x_i2c_remove(struct i2c_client *client) |
7465 |
+ { |
7466 |
+ struct ltc294x_info *info = i2c_get_clientdata(client); |
7467 |
+ |
7468 |
+- cancel_delayed_work(&info->work); |
7469 |
++ cancel_delayed_work_sync(&info->work); |
7470 |
+ power_supply_unregister(info->supply); |
7471 |
+ return 0; |
7472 |
+ } |
7473 |
+diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c |
7474 |
+index ca3dc3f3bb29..bb16c465426e 100644 |
7475 |
+--- a/drivers/regulator/helpers.c |
7476 |
++++ b/drivers/regulator/helpers.c |
7477 |
+@@ -13,6 +13,8 @@ |
7478 |
+ #include <linux/regulator/driver.h> |
7479 |
+ #include <linux/module.h> |
7480 |
+ |
7481 |
++#include "internal.h" |
7482 |
++ |
7483 |
+ /** |
7484 |
+ * regulator_is_enabled_regmap - standard is_enabled() for regmap users |
7485 |
+ * |
7486 |
+@@ -881,3 +883,15 @@ void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, |
7487 |
+ consumers[i].supply = supply_names[i]; |
7488 |
+ } |
7489 |
+ EXPORT_SYMBOL_GPL(regulator_bulk_set_supply_names); |
7490 |
++ |
7491 |
++/** |
7492 |
++ * regulator_is_equal - test whether two regulators are the same |
7493 |
++ * |
7494 |
++ * @reg1: first regulator to operate on |
7495 |
++ * @reg2: second regulator to operate on |
7496 |
++ */ |
7497 |
++bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2) |
7498 |
++{ |
7499 |
++ return reg1->rdev == reg2->rdev; |
7500 |
++} |
7501 |
++EXPORT_SYMBOL_GPL(regulator_is_equal); |
7502 |
+diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c |
7503 |
+index 469d0bc9f5fe..00cf33573136 100644 |
7504 |
+--- a/drivers/scsi/csiostor/csio_scsi.c |
7505 |
++++ b/drivers/scsi/csiostor/csio_scsi.c |
7506 |
+@@ -1383,7 +1383,7 @@ csio_device_reset(struct device *dev, |
7507 |
+ return -EINVAL; |
7508 |
+ |
7509 |
+ /* Delete NPIV lnodes */ |
7510 |
+- csio_lnodes_exit(hw, 1); |
7511 |
++ csio_lnodes_exit(hw, 1); |
7512 |
+ |
7513 |
+ /* Block upper IOs */ |
7514 |
+ csio_lnodes_block_request(hw); |
7515 |
+diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c |
7516 |
+index 42cf38c1ea99..0cbe6740e0c9 100644 |
7517 |
+--- a/drivers/scsi/megaraid/megaraid_sas_base.c |
7518 |
++++ b/drivers/scsi/megaraid/megaraid_sas_base.c |
7519 |
+@@ -4392,7 +4392,8 @@ dcmd_timeout_ocr_possible(struct megasas_instance *instance) { |
7520 |
+ if (instance->adapter_type == MFI_SERIES) |
7521 |
+ return KILL_ADAPTER; |
7522 |
+ else if (instance->unload || |
7523 |
+- test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) |
7524 |
++ test_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE, |
7525 |
++ &instance->reset_flags)) |
7526 |
+ return IGNORE_TIMEOUT; |
7527 |
+ else |
7528 |
+ return INITIATE_OCR; |
7529 |
+diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c |
7530 |
+index e301458bcbae..46bc062d873e 100644 |
7531 |
+--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c |
7532 |
++++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c |
7533 |
+@@ -4847,6 +4847,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) |
7534 |
+ if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
7535 |
+ del_timer_sync(&instance->sriov_heartbeat_timer); |
7536 |
+ set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
7537 |
++ set_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE, &instance->reset_flags); |
7538 |
+ atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); |
7539 |
+ instance->instancet->disable_intr(instance); |
7540 |
+ megasas_sync_irqs((unsigned long)instance); |
7541 |
+@@ -5046,7 +5047,7 @@ kill_hba: |
7542 |
+ instance->skip_heartbeat_timer_del = 1; |
7543 |
+ retval = FAILED; |
7544 |
+ out: |
7545 |
+- clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
7546 |
++ clear_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE, &instance->reset_flags); |
7547 |
+ mutex_unlock(&instance->reset_mutex); |
7548 |
+ return retval; |
7549 |
+ } |
7550 |
+diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h |
7551 |
+index c013c80fe4e6..dd2e37e40d6b 100644 |
7552 |
+--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h |
7553 |
++++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h |
7554 |
+@@ -89,6 +89,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE { |
7555 |
+ |
7556 |
+ #define MEGASAS_FP_CMD_LEN 16 |
7557 |
+ #define MEGASAS_FUSION_IN_RESET 0 |
7558 |
++#define MEGASAS_FUSION_OCR_NOT_POSSIBLE 1 |
7559 |
+ #define RAID_1_PEER_CMDS 2 |
7560 |
+ #define JBOD_MAPS_COUNT 2 |
7561 |
+ #define MEGASAS_REDUCE_QD_COUNT 64 |
7562 |
+diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c |
7563 |
+index 30afc59c1870..7bbff91f8883 100644 |
7564 |
+--- a/drivers/scsi/qla2xxx/qla_dbg.c |
7565 |
++++ b/drivers/scsi/qla2xxx/qla_dbg.c |
7566 |
+@@ -2519,12 +2519,6 @@ qla83xx_fw_dump_failed: |
7567 |
+ /* Driver Debug Functions. */ |
7568 |
+ /****************************************************************************/ |
7569 |
+ |
7570 |
+-static inline int |
7571 |
+-ql_mask_match(uint level) |
7572 |
+-{ |
7573 |
+- return (level & ql2xextended_error_logging) == level; |
7574 |
+-} |
7575 |
+- |
7576 |
+ /* |
7577 |
+ * This function is for formatting and logging debug information. |
7578 |
+ * It is to be used when vha is available. It formats the message |
7579 |
+diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h |
7580 |
+index bb01b680ce9f..433e95502808 100644 |
7581 |
+--- a/drivers/scsi/qla2xxx/qla_dbg.h |
7582 |
++++ b/drivers/scsi/qla2xxx/qla_dbg.h |
7583 |
+@@ -374,3 +374,9 @@ extern int qla24xx_dump_ram(struct qla_hw_data *, uint32_t, uint32_t *, |
7584 |
+ extern void qla24xx_pause_risc(struct device_reg_24xx __iomem *, |
7585 |
+ struct qla_hw_data *); |
7586 |
+ extern int qla24xx_soft_reset(struct qla_hw_data *); |
7587 |
++ |
7588 |
++static inline int |
7589 |
++ql_mask_match(uint level) |
7590 |
++{ |
7591 |
++ return (level & ql2xextended_error_logging) == level; |
7592 |
++} |
7593 |
+diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h |
7594 |
+index 1eb3fe281cc3..c57b95a20688 100644 |
7595 |
+--- a/drivers/scsi/qla2xxx/qla_def.h |
7596 |
++++ b/drivers/scsi/qla2xxx/qla_def.h |
7597 |
+@@ -2402,6 +2402,7 @@ typedef struct fc_port { |
7598 |
+ unsigned int scan_needed:1; |
7599 |
+ unsigned int n2n_flag:1; |
7600 |
+ unsigned int explicit_logout:1; |
7601 |
++ unsigned int prli_pend_timer:1; |
7602 |
+ |
7603 |
+ struct completion nvme_del_done; |
7604 |
+ uint32_t nvme_prli_service_param; |
7605 |
+@@ -2428,6 +2429,7 @@ typedef struct fc_port { |
7606 |
+ struct work_struct free_work; |
7607 |
+ struct work_struct reg_work; |
7608 |
+ uint64_t jiffies_at_registration; |
7609 |
++ unsigned long prli_expired; |
7610 |
+ struct qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX]; |
7611 |
+ |
7612 |
+ uint16_t tgt_id; |
7613 |
+@@ -4821,6 +4823,9 @@ struct sff_8247_a0 { |
7614 |
+ ha->current_topology == ISP_CFG_N || \ |
7615 |
+ !ha->current_topology) |
7616 |
+ |
7617 |
++#define PRLI_PHASE(_cls) \ |
7618 |
++ ((_cls == DSC_LS_PRLI_PEND) || (_cls == DSC_LS_PRLI_COMP)) |
7619 |
++ |
7620 |
+ #include "qla_target.h" |
7621 |
+ #include "qla_gbl.h" |
7622 |
+ #include "qla_dbg.h" |
7623 |
+diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c |
7624 |
+index 9ffaa920fc8f..ac4c47fc5f4c 100644 |
7625 |
+--- a/drivers/scsi/qla2xxx/qla_init.c |
7626 |
++++ b/drivers/scsi/qla2xxx/qla_init.c |
7627 |
+@@ -686,7 +686,7 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, |
7628 |
+ port_id_t id; |
7629 |
+ u64 wwn; |
7630 |
+ u16 data[2]; |
7631 |
+- u8 current_login_state; |
7632 |
++ u8 current_login_state, nvme_cls; |
7633 |
+ |
7634 |
+ fcport = ea->fcport; |
7635 |
+ ql_dbg(ql_dbg_disc, vha, 0xffff, |
7636 |
+@@ -745,10 +745,17 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, |
7637 |
+ |
7638 |
+ loop_id = le16_to_cpu(e->nport_handle); |
7639 |
+ loop_id = (loop_id & 0x7fff); |
7640 |
+- if (fcport->fc4f_nvme) |
7641 |
+- current_login_state = e->current_login_state >> 4; |
7642 |
+- else |
7643 |
+- current_login_state = e->current_login_state & 0xf; |
7644 |
++ nvme_cls = e->current_login_state >> 4; |
7645 |
++ current_login_state = e->current_login_state & 0xf; |
7646 |
++ |
7647 |
++ if (PRLI_PHASE(nvme_cls)) { |
7648 |
++ current_login_state = nvme_cls; |
7649 |
++ fcport->fc4_type &= ~FS_FC4TYPE_FCP; |
7650 |
++ fcport->fc4_type |= FS_FC4TYPE_NVME; |
7651 |
++ } else if (PRLI_PHASE(current_login_state)) { |
7652 |
++ fcport->fc4_type |= FS_FC4TYPE_FCP; |
7653 |
++ fcport->fc4_type &= ~FS_FC4TYPE_NVME; |
7654 |
++ } |
7655 |
+ |
7656 |
+ |
7657 |
+ ql_dbg(ql_dbg_disc, vha, 0x20e2, |
7658 |
+@@ -1219,12 +1226,19 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) |
7659 |
+ struct srb_iocb *lio; |
7660 |
+ int rval = QLA_FUNCTION_FAILED; |
7661 |
+ |
7662 |
+- if (!vha->flags.online) |
7663 |
++ if (!vha->flags.online) { |
7664 |
++ ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", |
7665 |
++ __func__, __LINE__, fcport->port_name); |
7666 |
+ return rval; |
7667 |
++ } |
7668 |
+ |
7669 |
+- if (fcport->fw_login_state == DSC_LS_PLOGI_PEND || |
7670 |
+- fcport->fw_login_state == DSC_LS_PRLI_PEND) |
7671 |
++ if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND || |
7672 |
++ fcport->fw_login_state == DSC_LS_PRLI_PEND) && |
7673 |
++ qla_dual_mode_enabled(vha)) { |
7674 |
++ ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", |
7675 |
++ __func__, __LINE__, fcport->port_name); |
7676 |
+ return rval; |
7677 |
++ } |
7678 |
+ |
7679 |
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); |
7680 |
+ if (!sp) |
7681 |
+@@ -1602,6 +1616,10 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) |
7682 |
+ break; |
7683 |
+ default: |
7684 |
+ if (fcport->login_pause) { |
7685 |
++ ql_dbg(ql_dbg_disc, vha, 0x20d8, |
7686 |
++ "%s %d %8phC exit\n", |
7687 |
++ __func__, __LINE__, |
7688 |
++ fcport->port_name); |
7689 |
+ fcport->last_rscn_gen = fcport->rscn_gen; |
7690 |
+ fcport->last_login_gen = fcport->login_gen; |
7691 |
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags); |
7692 |
+diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c |
7693 |
+index 7c5f2736ebee..3e9c5768815e 100644 |
7694 |
+--- a/drivers/scsi/qla2xxx/qla_isr.c |
7695 |
++++ b/drivers/scsi/qla2xxx/qla_isr.c |
7696 |
+@@ -1897,6 +1897,18 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
7697 |
+ inbuf = (uint32_t *)&sts->nvme_ersp_data; |
7698 |
+ outbuf = (uint32_t *)fd->rspaddr; |
7699 |
+ iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); |
7700 |
++ if (unlikely(iocb->u.nvme.rsp_pyld_len > |
7701 |
++ sizeof(struct nvme_fc_ersp_iu))) { |
7702 |
++ if (ql_mask_match(ql_dbg_io)) { |
7703 |
++ WARN_ONCE(1, "Unexpected response payload length %u.\n", |
7704 |
++ iocb->u.nvme.rsp_pyld_len); |
7705 |
++ ql_log(ql_log_warn, fcport->vha, 0x5100, |
7706 |
++ "Unexpected response payload length %u.\n", |
7707 |
++ iocb->u.nvme.rsp_pyld_len); |
7708 |
++ } |
7709 |
++ iocb->u.nvme.rsp_pyld_len = |
7710 |
++ sizeof(struct nvme_fc_ersp_iu); |
7711 |
++ } |
7712 |
+ iter = iocb->u.nvme.rsp_pyld_len >> 2; |
7713 |
+ for (; iter; iter--) |
7714 |
+ *outbuf++ = swab32(*inbuf++); |
7715 |
+diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c |
7716 |
+index eac76e934cbe..1ef8907314e5 100644 |
7717 |
+--- a/drivers/scsi/qla2xxx/qla_mbx.c |
7718 |
++++ b/drivers/scsi/qla2xxx/qla_mbx.c |
7719 |
+@@ -6151,9 +6151,8 @@ qla2x00_dump_mctp_data(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr, |
7720 |
+ mcp->mb[7] = LSW(MSD(req_dma)); |
7721 |
+ mcp->mb[8] = MSW(addr); |
7722 |
+ /* Setting RAM ID to valid */ |
7723 |
+- mcp->mb[10] |= BIT_7; |
7724 |
+ /* For MCTP RAM ID is 0x40 */ |
7725 |
+- mcp->mb[10] |= 0x40; |
7726 |
++ mcp->mb[10] = BIT_7 | 0x40; |
7727 |
+ |
7728 |
+ mcp->out_mb |= MBX_10|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1| |
7729 |
+ MBX_0; |
7730 |
+diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c |
7731 |
+index 2b2028f2383e..c855d013ba8a 100644 |
7732 |
+--- a/drivers/scsi/qla2xxx/qla_nx.c |
7733 |
++++ b/drivers/scsi/qla2xxx/qla_nx.c |
7734 |
+@@ -1612,8 +1612,7 @@ qla82xx_get_bootld_offset(struct qla_hw_data *ha) |
7735 |
+ return (u8 *)&ha->hablob->fw->data[offset]; |
7736 |
+ } |
7737 |
+ |
7738 |
+-static __le32 |
7739 |
+-qla82xx_get_fw_size(struct qla_hw_data *ha) |
7740 |
++static u32 qla82xx_get_fw_size(struct qla_hw_data *ha) |
7741 |
+ { |
7742 |
+ struct qla82xx_uri_data_desc *uri_desc = NULL; |
7743 |
+ |
7744 |
+@@ -1624,7 +1623,7 @@ qla82xx_get_fw_size(struct qla_hw_data *ha) |
7745 |
+ return cpu_to_le32(uri_desc->size); |
7746 |
+ } |
7747 |
+ |
7748 |
+- return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]); |
7749 |
++ return get_unaligned_le32(&ha->hablob->fw->data[FW_SIZE_OFFSET]); |
7750 |
+ } |
7751 |
+ |
7752 |
+ static u8 * |
7753 |
+@@ -1816,7 +1815,7 @@ qla82xx_fw_load_from_blob(struct qla_hw_data *ha) |
7754 |
+ } |
7755 |
+ |
7756 |
+ flashaddr = FLASH_ADDR_START; |
7757 |
+- size = (__force u32)qla82xx_get_fw_size(ha) / 8; |
7758 |
++ size = qla82xx_get_fw_size(ha) / 8; |
7759 |
+ ptr64 = (u64 *)qla82xx_get_fw_offs(ha); |
7760 |
+ |
7761 |
+ for (i = 0; i < size; i++) { |
7762 |
+diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c |
7763 |
+index 74a378a91b71..cb8a892e2d39 100644 |
7764 |
+--- a/drivers/scsi/qla2xxx/qla_target.c |
7765 |
++++ b/drivers/scsi/qla2xxx/qla_target.c |
7766 |
+@@ -1257,6 +1257,7 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess) |
7767 |
+ sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; |
7768 |
+ spin_unlock_irqrestore(&sess->vha->work_lock, flags); |
7769 |
+ |
7770 |
++ sess->prli_pend_timer = 0; |
7771 |
+ sess->disc_state = DSC_DELETE_PEND; |
7772 |
+ |
7773 |
+ qla24xx_chk_fcp_state(sess); |
7774 |
+diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c |
7775 |
+index 2323432a0edb..5504ab11decc 100644 |
7776 |
+--- a/drivers/scsi/qla4xxx/ql4_os.c |
7777 |
++++ b/drivers/scsi/qla4xxx/ql4_os.c |
7778 |
+@@ -4145,7 +4145,7 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha) |
7779 |
+ dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, |
7780 |
+ ha->queues_dma); |
7781 |
+ |
7782 |
+- if (ha->fw_dump) |
7783 |
++ if (ha->fw_dump) |
7784 |
+ vfree(ha->fw_dump); |
7785 |
+ |
7786 |
+ ha->queues_len = 0; |
7787 |
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c |
7788 |
+index 1e38bb967871..0d41a7dc1d6b 100644 |
7789 |
+--- a/drivers/scsi/ufs/ufshcd.c |
7790 |
++++ b/drivers/scsi/ufs/ufshcd.c |
7791 |
+@@ -5023,6 +5023,7 @@ static int ufshcd_disable_auto_bkops(struct ufs_hba *hba) |
7792 |
+ |
7793 |
+ hba->auto_bkops_enabled = false; |
7794 |
+ trace_ufshcd_auto_bkops_state(dev_name(hba->dev), "Disabled"); |
7795 |
++ hba->is_urgent_bkops_lvl_checked = false; |
7796 |
+ out: |
7797 |
+ return err; |
7798 |
+ } |
7799 |
+@@ -5047,6 +5048,7 @@ static void ufshcd_force_reset_auto_bkops(struct ufs_hba *hba) |
7800 |
+ hba->ee_ctrl_mask &= ~MASK_EE_URGENT_BKOPS; |
7801 |
+ ufshcd_disable_auto_bkops(hba); |
7802 |
+ } |
7803 |
++ hba->is_urgent_bkops_lvl_checked = false; |
7804 |
+ } |
7805 |
+ |
7806 |
+ static inline int ufshcd_get_bkops_status(struct ufs_hba *hba, u32 *status) |
7807 |
+@@ -5093,6 +5095,7 @@ static int ufshcd_bkops_ctrl(struct ufs_hba *hba, |
7808 |
+ err = ufshcd_enable_auto_bkops(hba); |
7809 |
+ else |
7810 |
+ err = ufshcd_disable_auto_bkops(hba); |
7811 |
++ hba->urgent_bkops_lvl = curr_status; |
7812 |
+ out: |
7813 |
+ return err; |
7814 |
+ } |
7815 |
+diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h |
7816 |
+index 1c8b349379af..77c4a9abe365 100644 |
7817 |
+--- a/drivers/usb/dwc3/core.h |
7818 |
++++ b/drivers/usb/dwc3/core.h |
7819 |
+@@ -688,7 +688,9 @@ struct dwc3_ep { |
7820 |
+ #define DWC3_EP_STALL BIT(1) |
7821 |
+ #define DWC3_EP_WEDGE BIT(2) |
7822 |
+ #define DWC3_EP_TRANSFER_STARTED BIT(3) |
7823 |
++#define DWC3_EP_END_TRANSFER_PENDING BIT(4) |
7824 |
+ #define DWC3_EP_PENDING_REQUEST BIT(5) |
7825 |
++#define DWC3_EP_DELAY_START BIT(6) |
7826 |
+ |
7827 |
+ /* This last one is specific to EP0 */ |
7828 |
+ #define DWC3_EP0_DIR_IN BIT(31) |
7829 |
+diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c |
7830 |
+index fd1b100d2927..6dee4dabc0a4 100644 |
7831 |
+--- a/drivers/usb/dwc3/ep0.c |
7832 |
++++ b/drivers/usb/dwc3/ep0.c |
7833 |
+@@ -1136,8 +1136,10 @@ void dwc3_ep0_interrupt(struct dwc3 *dwc, |
7834 |
+ case DWC3_DEPEVT_EPCMDCMPLT: |
7835 |
+ cmd = DEPEVT_PARAMETER_CMD(event->parameters); |
7836 |
+ |
7837 |
+- if (cmd == DWC3_DEPCMD_ENDTRANSFER) |
7838 |
++ if (cmd == DWC3_DEPCMD_ENDTRANSFER) { |
7839 |
++ dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING; |
7840 |
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED; |
7841 |
++ } |
7842 |
+ break; |
7843 |
+ } |
7844 |
+ } |
7845 |
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c |
7846 |
+index 154f3f3e8cff..8b95be897078 100644 |
7847 |
+--- a/drivers/usb/dwc3/gadget.c |
7848 |
++++ b/drivers/usb/dwc3/gadget.c |
7849 |
+@@ -1447,6 +1447,12 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) |
7850 |
+ list_add_tail(&req->list, &dep->pending_list); |
7851 |
+ req->status = DWC3_REQUEST_STATUS_QUEUED; |
7852 |
+ |
7853 |
++ /* Start the transfer only after the END_TRANSFER is completed */ |
7854 |
++ if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) { |
7855 |
++ dep->flags |= DWC3_EP_DELAY_START; |
7856 |
++ return 0; |
7857 |
++ } |
7858 |
++ |
7859 |
+ /* |
7860 |
+ * NOTICE: Isochronous endpoints should NEVER be prestarted. We must |
7861 |
+ * wait for a XferNotReady event so we will know what's the current |
7862 |
+@@ -2625,8 +2631,14 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, |
7863 |
+ cmd = DEPEVT_PARAMETER_CMD(event->parameters); |
7864 |
+ |
7865 |
+ if (cmd == DWC3_DEPCMD_ENDTRANSFER) { |
7866 |
++ dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING; |
7867 |
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED; |
7868 |
+ dwc3_gadget_ep_cleanup_cancelled_requests(dep); |
7869 |
++ if ((dep->flags & DWC3_EP_DELAY_START) && |
7870 |
++ !usb_endpoint_xfer_isoc(dep->endpoint.desc)) |
7871 |
++ __dwc3_gadget_kick_transfer(dep); |
7872 |
++ |
7873 |
++ dep->flags &= ~DWC3_EP_DELAY_START; |
7874 |
+ } |
7875 |
+ break; |
7876 |
+ case DWC3_DEPEVT_STREAMEVT: |
7877 |
+@@ -2683,7 +2695,8 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, |
7878 |
+ u32 cmd; |
7879 |
+ int ret; |
7880 |
+ |
7881 |
+- if (!(dep->flags & DWC3_EP_TRANSFER_STARTED)) |
7882 |
++ if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) || |
7883 |
++ (dep->flags & DWC3_EP_END_TRANSFER_PENDING)) |
7884 |
+ return; |
7885 |
+ |
7886 |
+ /* |
7887 |
+@@ -2728,6 +2741,8 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, |
7888 |
+ |
7889 |
+ if (!interrupt) |
7890 |
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED; |
7891 |
++ else |
7892 |
++ dep->flags |= DWC3_EP_END_TRANSFER_PENDING; |
7893 |
+ |
7894 |
+ if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A) |
7895 |
+ udelay(100); |
7896 |
+diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c |
7897 |
+index 460d5d7c984f..7f5cf488b2b1 100644 |
7898 |
+--- a/drivers/usb/gadget/function/f_ecm.c |
7899 |
++++ b/drivers/usb/gadget/function/f_ecm.c |
7900 |
+@@ -52,6 +52,7 @@ struct f_ecm { |
7901 |
+ struct usb_ep *notify; |
7902 |
+ struct usb_request *notify_req; |
7903 |
+ u8 notify_state; |
7904 |
++ atomic_t notify_count; |
7905 |
+ bool is_open; |
7906 |
+ |
7907 |
+ /* FIXME is_open needs some irq-ish locking |
7908 |
+@@ -380,7 +381,7 @@ static void ecm_do_notify(struct f_ecm *ecm) |
7909 |
+ int status; |
7910 |
+ |
7911 |
+ /* notification already in flight? */ |
7912 |
+- if (!req) |
7913 |
++ if (atomic_read(&ecm->notify_count)) |
7914 |
+ return; |
7915 |
+ |
7916 |
+ event = req->buf; |
7917 |
+@@ -420,10 +421,10 @@ static void ecm_do_notify(struct f_ecm *ecm) |
7918 |
+ event->bmRequestType = 0xA1; |
7919 |
+ event->wIndex = cpu_to_le16(ecm->ctrl_id); |
7920 |
+ |
7921 |
+- ecm->notify_req = NULL; |
7922 |
++ atomic_inc(&ecm->notify_count); |
7923 |
+ status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC); |
7924 |
+ if (status < 0) { |
7925 |
+- ecm->notify_req = req; |
7926 |
++ atomic_dec(&ecm->notify_count); |
7927 |
+ DBG(cdev, "notify --> %d\n", status); |
7928 |
+ } |
7929 |
+ } |
7930 |
+@@ -448,17 +449,19 @@ static void ecm_notify_complete(struct usb_ep *ep, struct usb_request *req) |
7931 |
+ switch (req->status) { |
7932 |
+ case 0: |
7933 |
+ /* no fault */ |
7934 |
++ atomic_dec(&ecm->notify_count); |
7935 |
+ break; |
7936 |
+ case -ECONNRESET: |
7937 |
+ case -ESHUTDOWN: |
7938 |
++ atomic_set(&ecm->notify_count, 0); |
7939 |
+ ecm->notify_state = ECM_NOTIFY_NONE; |
7940 |
+ break; |
7941 |
+ default: |
7942 |
+ DBG(cdev, "event %02x --> %d\n", |
7943 |
+ event->bNotificationType, req->status); |
7944 |
++ atomic_dec(&ecm->notify_count); |
7945 |
+ break; |
7946 |
+ } |
7947 |
+- ecm->notify_req = req; |
7948 |
+ ecm_do_notify(ecm); |
7949 |
+ } |
7950 |
+ |
7951 |
+@@ -907,6 +910,11 @@ static void ecm_unbind(struct usb_configuration *c, struct usb_function *f) |
7952 |
+ |
7953 |
+ usb_free_all_descriptors(f); |
7954 |
+ |
7955 |
++ if (atomic_read(&ecm->notify_count)) { |
7956 |
++ usb_ep_dequeue(ecm->notify, ecm->notify_req); |
7957 |
++ atomic_set(&ecm->notify_count, 0); |
7958 |
++ } |
7959 |
++ |
7960 |
+ kfree(ecm->notify_req->buf); |
7961 |
+ usb_ep_free_request(ecm->notify, ecm->notify_req); |
7962 |
+ } |
7963 |
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c |
7964 |
+index 59d9d512dcda..ced2581cf99f 100644 |
7965 |
+--- a/drivers/usb/gadget/function/f_fs.c |
7966 |
++++ b/drivers/usb/gadget/function/f_fs.c |
7967 |
+@@ -1062,6 +1062,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) |
7968 |
+ req->num_sgs = io_data->sgt.nents; |
7969 |
+ } else { |
7970 |
+ req->buf = data; |
7971 |
++ req->num_sgs = 0; |
7972 |
+ } |
7973 |
+ req->length = data_len; |
7974 |
+ |
7975 |
+@@ -1105,6 +1106,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) |
7976 |
+ req->num_sgs = io_data->sgt.nents; |
7977 |
+ } else { |
7978 |
+ req->buf = data; |
7979 |
++ req->num_sgs = 0; |
7980 |
+ } |
7981 |
+ req->length = data_len; |
7982 |
+ |
7983 |
+diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c |
7984 |
+index 2d6e76e4cffa..1d900081b1f0 100644 |
7985 |
+--- a/drivers/usb/gadget/function/f_ncm.c |
7986 |
++++ b/drivers/usb/gadget/function/f_ncm.c |
7987 |
+@@ -53,6 +53,7 @@ struct f_ncm { |
7988 |
+ struct usb_ep *notify; |
7989 |
+ struct usb_request *notify_req; |
7990 |
+ u8 notify_state; |
7991 |
++ atomic_t notify_count; |
7992 |
+ bool is_open; |
7993 |
+ |
7994 |
+ const struct ndp_parser_opts *parser_opts; |
7995 |
+@@ -547,7 +548,7 @@ static void ncm_do_notify(struct f_ncm *ncm) |
7996 |
+ int status; |
7997 |
+ |
7998 |
+ /* notification already in flight? */ |
7999 |
+- if (!req) |
8000 |
++ if (atomic_read(&ncm->notify_count)) |
8001 |
+ return; |
8002 |
+ |
8003 |
+ event = req->buf; |
8004 |
+@@ -587,7 +588,8 @@ static void ncm_do_notify(struct f_ncm *ncm) |
8005 |
+ event->bmRequestType = 0xA1; |
8006 |
+ event->wIndex = cpu_to_le16(ncm->ctrl_id); |
8007 |
+ |
8008 |
+- ncm->notify_req = NULL; |
8009 |
++ atomic_inc(&ncm->notify_count); |
8010 |
++ |
8011 |
+ /* |
8012 |
+ * In double buffering if there is a space in FIFO, |
8013 |
+ * completion callback can be called right after the call, |
8014 |
+@@ -597,7 +599,7 @@ static void ncm_do_notify(struct f_ncm *ncm) |
8015 |
+ status = usb_ep_queue(ncm->notify, req, GFP_ATOMIC); |
8016 |
+ spin_lock(&ncm->lock); |
8017 |
+ if (status < 0) { |
8018 |
+- ncm->notify_req = req; |
8019 |
++ atomic_dec(&ncm->notify_count); |
8020 |
+ DBG(cdev, "notify --> %d\n", status); |
8021 |
+ } |
8022 |
+ } |
8023 |
+@@ -632,17 +634,19 @@ static void ncm_notify_complete(struct usb_ep *ep, struct usb_request *req) |
8024 |
+ case 0: |
8025 |
+ VDBG(cdev, "Notification %02x sent\n", |
8026 |
+ event->bNotificationType); |
8027 |
++ atomic_dec(&ncm->notify_count); |
8028 |
+ break; |
8029 |
+ case -ECONNRESET: |
8030 |
+ case -ESHUTDOWN: |
8031 |
++ atomic_set(&ncm->notify_count, 0); |
8032 |
+ ncm->notify_state = NCM_NOTIFY_NONE; |
8033 |
+ break; |
8034 |
+ default: |
8035 |
+ DBG(cdev, "event %02x --> %d\n", |
8036 |
+ event->bNotificationType, req->status); |
8037 |
++ atomic_dec(&ncm->notify_count); |
8038 |
+ break; |
8039 |
+ } |
8040 |
+- ncm->notify_req = req; |
8041 |
+ ncm_do_notify(ncm); |
8042 |
+ spin_unlock(&ncm->lock); |
8043 |
+ } |
8044 |
+@@ -1649,6 +1653,11 @@ static void ncm_unbind(struct usb_configuration *c, struct usb_function *f) |
8045 |
+ ncm_string_defs[0].id = 0; |
8046 |
+ usb_free_all_descriptors(f); |
8047 |
+ |
8048 |
++ if (atomic_read(&ncm->notify_count)) { |
8049 |
++ usb_ep_dequeue(ncm->notify, ncm->notify_req); |
8050 |
++ atomic_set(&ncm->notify_count, 0); |
8051 |
++ } |
8052 |
++ |
8053 |
+ kfree(ncm->notify_req->buf); |
8054 |
+ usb_ep_free_request(ncm->notify, ncm->notify_req); |
8055 |
+ } |
8056 |
+diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c |
8057 |
+index da1c37933ca1..8d7a556ece30 100644 |
8058 |
+--- a/drivers/usb/gadget/legacy/cdc2.c |
8059 |
++++ b/drivers/usb/gadget/legacy/cdc2.c |
8060 |
+@@ -225,7 +225,7 @@ static struct usb_composite_driver cdc_driver = { |
8061 |
+ .name = "g_cdc", |
8062 |
+ .dev = &device_desc, |
8063 |
+ .strings = dev_strings, |
8064 |
+- .max_speed = USB_SPEED_HIGH, |
8065 |
++ .max_speed = USB_SPEED_SUPER, |
8066 |
+ .bind = cdc_bind, |
8067 |
+ .unbind = cdc_unbind, |
8068 |
+ }; |
8069 |
+diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c |
8070 |
+index b640ed3fcf70..ae6d8f7092b8 100644 |
8071 |
+--- a/drivers/usb/gadget/legacy/g_ffs.c |
8072 |
++++ b/drivers/usb/gadget/legacy/g_ffs.c |
8073 |
+@@ -149,7 +149,7 @@ static struct usb_composite_driver gfs_driver = { |
8074 |
+ .name = DRIVER_NAME, |
8075 |
+ .dev = &gfs_dev_desc, |
8076 |
+ .strings = gfs_dev_strings, |
8077 |
+- .max_speed = USB_SPEED_HIGH, |
8078 |
++ .max_speed = USB_SPEED_SUPER, |
8079 |
+ .bind = gfs_bind, |
8080 |
+ .unbind = gfs_unbind, |
8081 |
+ }; |
8082 |
+diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c |
8083 |
+index 50515f9e1022..ec9749845660 100644 |
8084 |
+--- a/drivers/usb/gadget/legacy/multi.c |
8085 |
++++ b/drivers/usb/gadget/legacy/multi.c |
8086 |
+@@ -482,7 +482,7 @@ static struct usb_composite_driver multi_driver = { |
8087 |
+ .name = "g_multi", |
8088 |
+ .dev = &device_desc, |
8089 |
+ .strings = dev_strings, |
8090 |
+- .max_speed = USB_SPEED_HIGH, |
8091 |
++ .max_speed = USB_SPEED_SUPER, |
8092 |
+ .bind = multi_bind, |
8093 |
+ .unbind = multi_unbind, |
8094 |
+ .needs_serial = 1, |
8095 |
+diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c |
8096 |
+index 8465f081e921..c61e71ba7045 100644 |
8097 |
+--- a/drivers/usb/gadget/legacy/ncm.c |
8098 |
++++ b/drivers/usb/gadget/legacy/ncm.c |
8099 |
+@@ -197,7 +197,7 @@ static struct usb_composite_driver ncm_driver = { |
8100 |
+ .name = "g_ncm", |
8101 |
+ .dev = &device_desc, |
8102 |
+ .strings = dev_strings, |
8103 |
+- .max_speed = USB_SPEED_HIGH, |
8104 |
++ .max_speed = USB_SPEED_SUPER, |
8105 |
+ .bind = gncm_bind, |
8106 |
+ .unbind = gncm_unbind, |
8107 |
+ }; |
8108 |
+diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c |
8109 |
+index 8b4ff9fff340..753645bb2527 100644 |
8110 |
+--- a/drivers/usb/typec/tcpm/tcpci.c |
8111 |
++++ b/drivers/usb/typec/tcpm/tcpci.c |
8112 |
+@@ -591,6 +591,12 @@ static int tcpci_probe(struct i2c_client *client, |
8113 |
+ static int tcpci_remove(struct i2c_client *client) |
8114 |
+ { |
8115 |
+ struct tcpci_chip *chip = i2c_get_clientdata(client); |
8116 |
++ int err; |
8117 |
++ |
8118 |
++ /* Disable chip interrupts before unregistering port */ |
8119 |
++ err = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, 0); |
8120 |
++ if (err < 0) |
8121 |
++ return err; |
8122 |
+ |
8123 |
+ tcpci_unregister_port(chip->tcpci); |
8124 |
+ |
8125 |
+diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c |
8126 |
+index 9f4117766bb1..c962d9b370c6 100644 |
8127 |
+--- a/drivers/virtio/virtio_balloon.c |
8128 |
++++ b/drivers/virtio/virtio_balloon.c |
8129 |
+@@ -474,7 +474,9 @@ static int init_vqs(struct virtio_balloon *vb) |
8130 |
+ names[VIRTIO_BALLOON_VQ_INFLATE] = "inflate"; |
8131 |
+ callbacks[VIRTIO_BALLOON_VQ_DEFLATE] = balloon_ack; |
8132 |
+ names[VIRTIO_BALLOON_VQ_DEFLATE] = "deflate"; |
8133 |
++ callbacks[VIRTIO_BALLOON_VQ_STATS] = NULL; |
8134 |
+ names[VIRTIO_BALLOON_VQ_STATS] = NULL; |
8135 |
++ callbacks[VIRTIO_BALLOON_VQ_FREE_PAGE] = NULL; |
8136 |
+ names[VIRTIO_BALLOON_VQ_FREE_PAGE] = NULL; |
8137 |
+ |
8138 |
+ if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { |
8139 |
+@@ -898,8 +900,7 @@ static int virtballoon_probe(struct virtio_device *vdev) |
8140 |
+ vb->vb_dev_info.inode = alloc_anon_inode(balloon_mnt->mnt_sb); |
8141 |
+ if (IS_ERR(vb->vb_dev_info.inode)) { |
8142 |
+ err = PTR_ERR(vb->vb_dev_info.inode); |
8143 |
+- kern_unmount(balloon_mnt); |
8144 |
+- goto out_del_vqs; |
8145 |
++ goto out_kern_unmount; |
8146 |
+ } |
8147 |
+ vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; |
8148 |
+ #endif |
8149 |
+@@ -910,13 +911,13 @@ static int virtballoon_probe(struct virtio_device *vdev) |
8150 |
+ */ |
8151 |
+ if (virtqueue_get_vring_size(vb->free_page_vq) < 2) { |
8152 |
+ err = -ENOSPC; |
8153 |
+- goto out_del_vqs; |
8154 |
++ goto out_iput; |
8155 |
+ } |
8156 |
+ vb->balloon_wq = alloc_workqueue("balloon-wq", |
8157 |
+ WQ_FREEZABLE | WQ_CPU_INTENSIVE, 0); |
8158 |
+ if (!vb->balloon_wq) { |
8159 |
+ err = -ENOMEM; |
8160 |
+- goto out_del_vqs; |
8161 |
++ goto out_iput; |
8162 |
+ } |
8163 |
+ INIT_WORK(&vb->report_free_page_work, report_free_page_func); |
8164 |
+ vb->cmd_id_received_cache = VIRTIO_BALLOON_CMD_ID_STOP; |
8165 |
+@@ -950,6 +951,12 @@ static int virtballoon_probe(struct virtio_device *vdev) |
8166 |
+ out_del_balloon_wq: |
8167 |
+ if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) |
8168 |
+ destroy_workqueue(vb->balloon_wq); |
8169 |
++out_iput: |
8170 |
++#ifdef CONFIG_BALLOON_COMPACTION |
8171 |
++ iput(vb->vb_dev_info.inode); |
8172 |
++out_kern_unmount: |
8173 |
++ kern_unmount(balloon_mnt); |
8174 |
++#endif |
8175 |
+ out_del_vqs: |
8176 |
+ vdev->config->del_vqs(vdev); |
8177 |
+ out_free_vb: |
8178 |
+@@ -965,6 +972,10 @@ static void remove_common(struct virtio_balloon *vb) |
8179 |
+ leak_balloon(vb, vb->num_pages); |
8180 |
+ update_balloon_size(vb); |
8181 |
+ |
8182 |
++ /* There might be free pages that are being reported: release them. */ |
8183 |
++ if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) |
8184 |
++ return_free_pages_to_mm(vb, ULONG_MAX); |
8185 |
++ |
8186 |
+ /* Now we reset the device so we can clean up the queues. */ |
8187 |
+ vb->vdev->config->reset(vb->vdev); |
8188 |
+ |
8189 |
+diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c |
8190 |
+index f2862f66c2ac..222d630c41fc 100644 |
8191 |
+--- a/drivers/virtio/virtio_pci_common.c |
8192 |
++++ b/drivers/virtio/virtio_pci_common.c |
8193 |
+@@ -294,7 +294,7 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs, |
8194 |
+ /* Best option: one for change interrupt, one per vq. */ |
8195 |
+ nvectors = 1; |
8196 |
+ for (i = 0; i < nvqs; ++i) |
8197 |
+- if (callbacks[i]) |
8198 |
++ if (names[i] && callbacks[i]) |
8199 |
+ ++nvectors; |
8200 |
+ } else { |
8201 |
+ /* Second best: one for change, shared for all vqs. */ |
8202 |
+diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c |
8203 |
+index 21e8085b848b..861daf4f37b2 100644 |
8204 |
+--- a/drivers/watchdog/watchdog_core.c |
8205 |
++++ b/drivers/watchdog/watchdog_core.c |
8206 |
+@@ -147,6 +147,25 @@ int watchdog_init_timeout(struct watchdog_device *wdd, |
8207 |
+ } |
8208 |
+ EXPORT_SYMBOL_GPL(watchdog_init_timeout); |
8209 |
+ |
8210 |
++static int watchdog_reboot_notifier(struct notifier_block *nb, |
8211 |
++ unsigned long code, void *data) |
8212 |
++{ |
8213 |
++ struct watchdog_device *wdd; |
8214 |
++ |
8215 |
++ wdd = container_of(nb, struct watchdog_device, reboot_nb); |
8216 |
++ if (code == SYS_DOWN || code == SYS_HALT) { |
8217 |
++ if (watchdog_active(wdd)) { |
8218 |
++ int ret; |
8219 |
++ |
8220 |
++ ret = wdd->ops->stop(wdd); |
8221 |
++ if (ret) |
8222 |
++ return NOTIFY_BAD; |
8223 |
++ } |
8224 |
++ } |
8225 |
++ |
8226 |
++ return NOTIFY_DONE; |
8227 |
++} |
8228 |
++ |
8229 |
+ static int watchdog_restart_notifier(struct notifier_block *nb, |
8230 |
+ unsigned long action, void *data) |
8231 |
+ { |
8232 |
+@@ -235,6 +254,19 @@ static int __watchdog_register_device(struct watchdog_device *wdd) |
8233 |
+ } |
8234 |
+ } |
8235 |
+ |
8236 |
++ if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) { |
8237 |
++ wdd->reboot_nb.notifier_call = watchdog_reboot_notifier; |
8238 |
++ |
8239 |
++ ret = register_reboot_notifier(&wdd->reboot_nb); |
8240 |
++ if (ret) { |
8241 |
++ pr_err("watchdog%d: Cannot register reboot notifier (%d)\n", |
8242 |
++ wdd->id, ret); |
8243 |
++ watchdog_dev_unregister(wdd); |
8244 |
++ ida_simple_remove(&watchdog_ida, id); |
8245 |
++ return ret; |
8246 |
++ } |
8247 |
++ } |
8248 |
++ |
8249 |
+ if (wdd->ops->restart) { |
8250 |
+ wdd->restart_nb.notifier_call = watchdog_restart_notifier; |
8251 |
+ |
8252 |
+@@ -289,6 +321,9 @@ static void __watchdog_unregister_device(struct watchdog_device *wdd) |
8253 |
+ if (wdd->ops->restart) |
8254 |
+ unregister_restart_handler(&wdd->restart_nb); |
8255 |
+ |
8256 |
++ if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) |
8257 |
++ unregister_reboot_notifier(&wdd->reboot_nb); |
8258 |
++ |
8259 |
+ watchdog_dev_unregister(wdd); |
8260 |
+ ida_simple_remove(&watchdog_ida, wdd->id); |
8261 |
+ } |
8262 |
+diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c |
8263 |
+index 62483a99105c..ce04edc69e5f 100644 |
8264 |
+--- a/drivers/watchdog/watchdog_dev.c |
8265 |
++++ b/drivers/watchdog/watchdog_dev.c |
8266 |
+@@ -38,7 +38,6 @@ |
8267 |
+ #include <linux/miscdevice.h> /* For handling misc devices */ |
8268 |
+ #include <linux/module.h> /* For module stuff/... */ |
8269 |
+ #include <linux/mutex.h> /* For mutexes */ |
8270 |
+-#include <linux/reboot.h> /* For reboot notifier */ |
8271 |
+ #include <linux/slab.h> /* For memory functions */ |
8272 |
+ #include <linux/types.h> /* For standard types (like size_t) */ |
8273 |
+ #include <linux/watchdog.h> /* For watchdog specific items */ |
8274 |
+@@ -1077,25 +1076,6 @@ static void watchdog_cdev_unregister(struct watchdog_device *wdd) |
8275 |
+ put_device(&wd_data->dev); |
8276 |
+ } |
8277 |
+ |
8278 |
+-static int watchdog_reboot_notifier(struct notifier_block *nb, |
8279 |
+- unsigned long code, void *data) |
8280 |
+-{ |
8281 |
+- struct watchdog_device *wdd; |
8282 |
+- |
8283 |
+- wdd = container_of(nb, struct watchdog_device, reboot_nb); |
8284 |
+- if (code == SYS_DOWN || code == SYS_HALT) { |
8285 |
+- if (watchdog_active(wdd)) { |
8286 |
+- int ret; |
8287 |
+- |
8288 |
+- ret = wdd->ops->stop(wdd); |
8289 |
+- if (ret) |
8290 |
+- return NOTIFY_BAD; |
8291 |
+- } |
8292 |
+- } |
8293 |
+- |
8294 |
+- return NOTIFY_DONE; |
8295 |
+-} |
8296 |
+- |
8297 |
+ /* |
8298 |
+ * watchdog_dev_register: register a watchdog device |
8299 |
+ * @wdd: watchdog device |
8300 |
+@@ -1114,22 +1094,8 @@ int watchdog_dev_register(struct watchdog_device *wdd) |
8301 |
+ return ret; |
8302 |
+ |
8303 |
+ ret = watchdog_register_pretimeout(wdd); |
8304 |
+- if (ret) { |
8305 |
++ if (ret) |
8306 |
+ watchdog_cdev_unregister(wdd); |
8307 |
+- return ret; |
8308 |
+- } |
8309 |
+- |
8310 |
+- if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) { |
8311 |
+- wdd->reboot_nb.notifier_call = watchdog_reboot_notifier; |
8312 |
+- |
8313 |
+- ret = devm_register_reboot_notifier(&wdd->wd_data->dev, |
8314 |
+- &wdd->reboot_nb); |
8315 |
+- if (ret) { |
8316 |
+- pr_err("watchdog%d: Cannot register reboot notifier (%d)\n", |
8317 |
+- wdd->id, ret); |
8318 |
+- watchdog_dev_unregister(wdd); |
8319 |
+- } |
8320 |
+- } |
8321 |
+ |
8322 |
+ return ret; |
8323 |
+ } |
8324 |
+diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c |
8325 |
+index 6d12fc368210..a8d24433c8e9 100644 |
8326 |
+--- a/drivers/xen/xen-balloon.c |
8327 |
++++ b/drivers/xen/xen-balloon.c |
8328 |
+@@ -94,7 +94,7 @@ static void watch_target(struct xenbus_watch *watch, |
8329 |
+ "%llu", &static_max) == 1)) |
8330 |
+ static_max >>= PAGE_SHIFT - 10; |
8331 |
+ else |
8332 |
+- static_max = new_target; |
8333 |
++ static_max = balloon_stats.current_pages; |
8334 |
+ |
8335 |
+ target_diff = (xen_pv_domain() || xen_initial_domain()) ? 0 |
8336 |
+ : static_max - balloon_stats.target_pages; |
8337 |
+diff --git a/fs/aio.c b/fs/aio.c |
8338 |
+index 0d9a559d488c..4115d5ad6b90 100644 |
8339 |
+--- a/fs/aio.c |
8340 |
++++ b/fs/aio.c |
8341 |
+@@ -1610,6 +1610,14 @@ static int aio_fsync(struct fsync_iocb *req, const struct iocb *iocb, |
8342 |
+ return 0; |
8343 |
+ } |
8344 |
+ |
8345 |
++static void aio_poll_put_work(struct work_struct *work) |
8346 |
++{ |
8347 |
++ struct poll_iocb *req = container_of(work, struct poll_iocb, work); |
8348 |
++ struct aio_kiocb *iocb = container_of(req, struct aio_kiocb, poll); |
8349 |
++ |
8350 |
++ iocb_put(iocb); |
8351 |
++} |
8352 |
++ |
8353 |
+ static void aio_poll_complete_work(struct work_struct *work) |
8354 |
+ { |
8355 |
+ struct poll_iocb *req = container_of(work, struct poll_iocb, work); |
8356 |
+@@ -1674,6 +1682,8 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, |
8357 |
+ list_del_init(&req->wait.entry); |
8358 |
+ |
8359 |
+ if (mask && spin_trylock_irqsave(&iocb->ki_ctx->ctx_lock, flags)) { |
8360 |
++ struct kioctx *ctx = iocb->ki_ctx; |
8361 |
++ |
8362 |
+ /* |
8363 |
+ * Try to complete the iocb inline if we can. Use |
8364 |
+ * irqsave/irqrestore because not all filesystems (e.g. fuse) |
8365 |
+@@ -1683,8 +1693,14 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, |
8366 |
+ list_del(&iocb->ki_list); |
8367 |
+ iocb->ki_res.res = mangle_poll(mask); |
8368 |
+ req->done = true; |
8369 |
+- spin_unlock_irqrestore(&iocb->ki_ctx->ctx_lock, flags); |
8370 |
+- iocb_put(iocb); |
8371 |
++ if (iocb->ki_eventfd && eventfd_signal_count()) { |
8372 |
++ iocb = NULL; |
8373 |
++ INIT_WORK(&req->work, aio_poll_put_work); |
8374 |
++ schedule_work(&req->work); |
8375 |
++ } |
8376 |
++ spin_unlock_irqrestore(&ctx->ctx_lock, flags); |
8377 |
++ if (iocb) |
8378 |
++ iocb_put(iocb); |
8379 |
+ } else { |
8380 |
+ schedule_work(&req->work); |
8381 |
+ } |
8382 |
+diff --git a/fs/attr.c b/fs/attr.c |
8383 |
+index df28035aa23e..b4bbdbd4c8ca 100644 |
8384 |
+--- a/fs/attr.c |
8385 |
++++ b/fs/attr.c |
8386 |
+@@ -183,18 +183,12 @@ void setattr_copy(struct inode *inode, const struct iattr *attr) |
8387 |
+ inode->i_uid = attr->ia_uid; |
8388 |
+ if (ia_valid & ATTR_GID) |
8389 |
+ inode->i_gid = attr->ia_gid; |
8390 |
+- if (ia_valid & ATTR_ATIME) { |
8391 |
+- inode->i_atime = timestamp_truncate(attr->ia_atime, |
8392 |
+- inode); |
8393 |
+- } |
8394 |
+- if (ia_valid & ATTR_MTIME) { |
8395 |
+- inode->i_mtime = timestamp_truncate(attr->ia_mtime, |
8396 |
+- inode); |
8397 |
+- } |
8398 |
+- if (ia_valid & ATTR_CTIME) { |
8399 |
+- inode->i_ctime = timestamp_truncate(attr->ia_ctime, |
8400 |
+- inode); |
8401 |
+- } |
8402 |
++ if (ia_valid & ATTR_ATIME) |
8403 |
++ inode->i_atime = attr->ia_atime; |
8404 |
++ if (ia_valid & ATTR_MTIME) |
8405 |
++ inode->i_mtime = attr->ia_mtime; |
8406 |
++ if (ia_valid & ATTR_CTIME) |
8407 |
++ inode->i_ctime = attr->ia_ctime; |
8408 |
+ if (ia_valid & ATTR_MODE) { |
8409 |
+ umode_t mode = attr->ia_mode; |
8410 |
+ |
8411 |
+@@ -268,8 +262,13 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de |
8412 |
+ attr->ia_ctime = now; |
8413 |
+ if (!(ia_valid & ATTR_ATIME_SET)) |
8414 |
+ attr->ia_atime = now; |
8415 |
++ else |
8416 |
++ attr->ia_atime = timestamp_truncate(attr->ia_atime, inode); |
8417 |
+ if (!(ia_valid & ATTR_MTIME_SET)) |
8418 |
+ attr->ia_mtime = now; |
8419 |
++ else |
8420 |
++ attr->ia_mtime = timestamp_truncate(attr->ia_mtime, inode); |
8421 |
++ |
8422 |
+ if (ia_valid & ATTR_KILL_PRIV) { |
8423 |
+ error = security_inode_need_killpriv(dentry); |
8424 |
+ if (error < 0) |
8425 |
+diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c |
8426 |
+index da9b0f060a9d..a989105d39c8 100644 |
8427 |
+--- a/fs/btrfs/ctree.c |
8428 |
++++ b/fs/btrfs/ctree.c |
8429 |
+@@ -330,12 +330,10 @@ u64 btrfs_get_tree_mod_seq(struct btrfs_fs_info *fs_info, |
8430 |
+ struct seq_list *elem) |
8431 |
+ { |
8432 |
+ write_lock(&fs_info->tree_mod_log_lock); |
8433 |
+- spin_lock(&fs_info->tree_mod_seq_lock); |
8434 |
+ if (!elem->seq) { |
8435 |
+ elem->seq = btrfs_inc_tree_mod_seq(fs_info); |
8436 |
+ list_add_tail(&elem->list, &fs_info->tree_mod_seq_list); |
8437 |
+ } |
8438 |
+- spin_unlock(&fs_info->tree_mod_seq_lock); |
8439 |
+ write_unlock(&fs_info->tree_mod_log_lock); |
8440 |
+ |
8441 |
+ return elem->seq; |
8442 |
+@@ -355,7 +353,7 @@ void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info, |
8443 |
+ if (!seq_putting) |
8444 |
+ return; |
8445 |
+ |
8446 |
+- spin_lock(&fs_info->tree_mod_seq_lock); |
8447 |
++ write_lock(&fs_info->tree_mod_log_lock); |
8448 |
+ list_del(&elem->list); |
8449 |
+ elem->seq = 0; |
8450 |
+ |
8451 |
+@@ -366,19 +364,17 @@ void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info, |
8452 |
+ * blocker with lower sequence number exists, we |
8453 |
+ * cannot remove anything from the log |
8454 |
+ */ |
8455 |
+- spin_unlock(&fs_info->tree_mod_seq_lock); |
8456 |
++ write_unlock(&fs_info->tree_mod_log_lock); |
8457 |
+ return; |
8458 |
+ } |
8459 |
+ min_seq = cur_elem->seq; |
8460 |
+ } |
8461 |
+ } |
8462 |
+- spin_unlock(&fs_info->tree_mod_seq_lock); |
8463 |
+ |
8464 |
+ /* |
8465 |
+ * anything that's lower than the lowest existing (read: blocked) |
8466 |
+ * sequence number can be removed from the tree. |
8467 |
+ */ |
8468 |
+- write_lock(&fs_info->tree_mod_log_lock); |
8469 |
+ tm_root = &fs_info->tree_mod_log; |
8470 |
+ for (node = rb_first(tm_root); node; node = next) { |
8471 |
+ next = rb_next(node); |
8472 |
+diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h |
8473 |
+index 5e9f80b28fcf..290ca193c6c0 100644 |
8474 |
+--- a/fs/btrfs/ctree.h |
8475 |
++++ b/fs/btrfs/ctree.h |
8476 |
+@@ -671,14 +671,12 @@ struct btrfs_fs_info { |
8477 |
+ atomic_t nr_delayed_iputs; |
8478 |
+ wait_queue_head_t delayed_iputs_wait; |
8479 |
+ |
8480 |
+- /* this protects tree_mod_seq_list */ |
8481 |
+- spinlock_t tree_mod_seq_lock; |
8482 |
+ atomic64_t tree_mod_seq; |
8483 |
+- struct list_head tree_mod_seq_list; |
8484 |
+ |
8485 |
+- /* this protects tree_mod_log */ |
8486 |
++ /* this protects tree_mod_log and tree_mod_seq_list */ |
8487 |
+ rwlock_t tree_mod_log_lock; |
8488 |
+ struct rb_root tree_mod_log; |
8489 |
++ struct list_head tree_mod_seq_list; |
8490 |
+ |
8491 |
+ atomic_t async_delalloc_pages; |
8492 |
+ |
8493 |
+diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c |
8494 |
+index df3bd880061d..dfdb7d4f8406 100644 |
8495 |
+--- a/fs/btrfs/delayed-ref.c |
8496 |
++++ b/fs/btrfs/delayed-ref.c |
8497 |
+@@ -492,7 +492,7 @@ void btrfs_merge_delayed_refs(struct btrfs_trans_handle *trans, |
8498 |
+ if (head->is_data) |
8499 |
+ return; |
8500 |
+ |
8501 |
+- spin_lock(&fs_info->tree_mod_seq_lock); |
8502 |
++ read_lock(&fs_info->tree_mod_log_lock); |
8503 |
+ if (!list_empty(&fs_info->tree_mod_seq_list)) { |
8504 |
+ struct seq_list *elem; |
8505 |
+ |
8506 |
+@@ -500,7 +500,7 @@ void btrfs_merge_delayed_refs(struct btrfs_trans_handle *trans, |
8507 |
+ struct seq_list, list); |
8508 |
+ seq = elem->seq; |
8509 |
+ } |
8510 |
+- spin_unlock(&fs_info->tree_mod_seq_lock); |
8511 |
++ read_unlock(&fs_info->tree_mod_log_lock); |
8512 |
+ |
8513 |
+ again: |
8514 |
+ for (node = rb_first_cached(&head->ref_tree); node; |
8515 |
+@@ -518,7 +518,7 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, u64 seq) |
8516 |
+ struct seq_list *elem; |
8517 |
+ int ret = 0; |
8518 |
+ |
8519 |
+- spin_lock(&fs_info->tree_mod_seq_lock); |
8520 |
++ read_lock(&fs_info->tree_mod_log_lock); |
8521 |
+ if (!list_empty(&fs_info->tree_mod_seq_list)) { |
8522 |
+ elem = list_first_entry(&fs_info->tree_mod_seq_list, |
8523 |
+ struct seq_list, list); |
8524 |
+@@ -531,7 +531,7 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, u64 seq) |
8525 |
+ } |
8526 |
+ } |
8527 |
+ |
8528 |
+- spin_unlock(&fs_info->tree_mod_seq_lock); |
8529 |
++ read_unlock(&fs_info->tree_mod_log_lock); |
8530 |
+ return ret; |
8531 |
+ } |
8532 |
+ |
8533 |
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c |
8534 |
+index bae334212ee2..7becc5e96f92 100644 |
8535 |
+--- a/fs/btrfs/disk-io.c |
8536 |
++++ b/fs/btrfs/disk-io.c |
8537 |
+@@ -2016,7 +2016,7 @@ static void free_root_extent_buffers(struct btrfs_root *root) |
8538 |
+ } |
8539 |
+ |
8540 |
+ /* helper to cleanup tree roots */ |
8541 |
+-static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root) |
8542 |
++static void free_root_pointers(struct btrfs_fs_info *info, bool free_chunk_root) |
8543 |
+ { |
8544 |
+ free_root_extent_buffers(info->tree_root); |
8545 |
+ |
8546 |
+@@ -2025,7 +2025,7 @@ static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root) |
8547 |
+ free_root_extent_buffers(info->csum_root); |
8548 |
+ free_root_extent_buffers(info->quota_root); |
8549 |
+ free_root_extent_buffers(info->uuid_root); |
8550 |
+- if (chunk_root) |
8551 |
++ if (free_chunk_root) |
8552 |
+ free_root_extent_buffers(info->chunk_root); |
8553 |
+ free_root_extent_buffers(info->free_space_root); |
8554 |
+ } |
8555 |
+@@ -2652,7 +2652,6 @@ int open_ctree(struct super_block *sb, |
8556 |
+ spin_lock_init(&fs_info->fs_roots_radix_lock); |
8557 |
+ spin_lock_init(&fs_info->delayed_iput_lock); |
8558 |
+ spin_lock_init(&fs_info->defrag_inodes_lock); |
8559 |
+- spin_lock_init(&fs_info->tree_mod_seq_lock); |
8560 |
+ spin_lock_init(&fs_info->super_lock); |
8561 |
+ spin_lock_init(&fs_info->buffer_lock); |
8562 |
+ spin_lock_init(&fs_info->unused_bgs_lock); |
8563 |
+@@ -3324,7 +3323,7 @@ fail_block_groups: |
8564 |
+ btrfs_put_block_group_cache(fs_info); |
8565 |
+ |
8566 |
+ fail_tree_roots: |
8567 |
+- free_root_pointers(fs_info, 1); |
8568 |
++ free_root_pointers(fs_info, true); |
8569 |
+ invalidate_inode_pages2(fs_info->btree_inode->i_mapping); |
8570 |
+ |
8571 |
+ fail_sb_buffer: |
8572 |
+@@ -3356,7 +3355,7 @@ recovery_tree_root: |
8573 |
+ if (!btrfs_test_opt(fs_info, USEBACKUPROOT)) |
8574 |
+ goto fail_tree_roots; |
8575 |
+ |
8576 |
+- free_root_pointers(fs_info, 0); |
8577 |
++ free_root_pointers(fs_info, false); |
8578 |
+ |
8579 |
+ /* don't use the log in recovery mode, it won't be valid */ |
8580 |
+ btrfs_set_super_log_root(disk_super, 0); |
8581 |
+@@ -4047,10 +4046,17 @@ void close_ctree(struct btrfs_fs_info *fs_info) |
8582 |
+ invalidate_inode_pages2(fs_info->btree_inode->i_mapping); |
8583 |
+ btrfs_stop_all_workers(fs_info); |
8584 |
+ |
8585 |
+- btrfs_free_block_groups(fs_info); |
8586 |
+- |
8587 |
+ clear_bit(BTRFS_FS_OPEN, &fs_info->flags); |
8588 |
+- free_root_pointers(fs_info, 1); |
8589 |
++ free_root_pointers(fs_info, true); |
8590 |
++ |
8591 |
++ /* |
8592 |
++ * We must free the block groups after dropping the fs_roots as we could |
8593 |
++ * have had an IO error and have left over tree log blocks that aren't |
8594 |
++ * cleaned up until the fs roots are freed. This makes the block group |
8595 |
++ * accounting appear to be wrong because there's pending reserved bytes, |
8596 |
++ * so make sure we do the block group cleanup afterwards. |
8597 |
++ */ |
8598 |
++ btrfs_free_block_groups(fs_info); |
8599 |
+ |
8600 |
+ iput(fs_info->btree_inode); |
8601 |
+ |
8602 |
+diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c |
8603 |
+index 33c6b191ca59..284540cdbbd9 100644 |
8604 |
+--- a/fs/btrfs/extent_io.c |
8605 |
++++ b/fs/btrfs/extent_io.c |
8606 |
+@@ -1583,21 +1583,25 @@ void find_first_clear_extent_bit(struct extent_io_tree *tree, u64 start, |
8607 |
+ /* Find first extent with bits cleared */ |
8608 |
+ while (1) { |
8609 |
+ node = __etree_search(tree, start, &next, &prev, NULL, NULL); |
8610 |
+- if (!node) { |
8611 |
++ if (!node && !next && !prev) { |
8612 |
++ /* |
8613 |
++ * Tree is completely empty, send full range and let |
8614 |
++ * caller deal with it |
8615 |
++ */ |
8616 |
++ *start_ret = 0; |
8617 |
++ *end_ret = -1; |
8618 |
++ goto out; |
8619 |
++ } else if (!node && !next) { |
8620 |
++ /* |
8621 |
++ * We are past the last allocated chunk, set start at |
8622 |
++ * the end of the last extent. |
8623 |
++ */ |
8624 |
++ state = rb_entry(prev, struct extent_state, rb_node); |
8625 |
++ *start_ret = state->end + 1; |
8626 |
++ *end_ret = -1; |
8627 |
++ goto out; |
8628 |
++ } else if (!node) { |
8629 |
+ node = next; |
8630 |
+- if (!node) { |
8631 |
+- /* |
8632 |
+- * We are past the last allocated chunk, |
8633 |
+- * set start at the end of the last extent. The |
8634 |
+- * device alloc tree should never be empty so |
8635 |
+- * prev is always set. |
8636 |
+- */ |
8637 |
+- ASSERT(prev); |
8638 |
+- state = rb_entry(prev, struct extent_state, rb_node); |
8639 |
+- *start_ret = state->end + 1; |
8640 |
+- *end_ret = -1; |
8641 |
+- goto out; |
8642 |
+- } |
8643 |
+ } |
8644 |
+ /* |
8645 |
+ * At this point 'node' either contains 'start' or start is |
8646 |
+@@ -3938,6 +3942,11 @@ int btree_write_cache_pages(struct address_space *mapping, |
8647 |
+ if (wbc->range_cyclic) { |
8648 |
+ index = mapping->writeback_index; /* Start from prev offset */ |
8649 |
+ end = -1; |
8650 |
++ /* |
8651 |
++ * Start from the beginning does not need to cycle over the |
8652 |
++ * range, mark it as scanned. |
8653 |
++ */ |
8654 |
++ scanned = (index == 0); |
8655 |
+ } else { |
8656 |
+ index = wbc->range_start >> PAGE_SHIFT; |
8657 |
+ end = wbc->range_end >> PAGE_SHIFT; |
8658 |
+@@ -3955,7 +3964,6 @@ retry: |
8659 |
+ tag))) { |
8660 |
+ unsigned i; |
8661 |
+ |
8662 |
+- scanned = 1; |
8663 |
+ for (i = 0; i < nr_pages; i++) { |
8664 |
+ struct page *page = pvec.pages[i]; |
8665 |
+ |
8666 |
+@@ -4084,6 +4092,11 @@ static int extent_write_cache_pages(struct address_space *mapping, |
8667 |
+ if (wbc->range_cyclic) { |
8668 |
+ index = mapping->writeback_index; /* Start from prev offset */ |
8669 |
+ end = -1; |
8670 |
++ /* |
8671 |
++ * Start from the beginning does not need to cycle over the |
8672 |
++ * range, mark it as scanned. |
8673 |
++ */ |
8674 |
++ scanned = (index == 0); |
8675 |
+ } else { |
8676 |
+ index = wbc->range_start >> PAGE_SHIFT; |
8677 |
+ end = wbc->range_end >> PAGE_SHIFT; |
8678 |
+@@ -4117,7 +4130,6 @@ retry: |
8679 |
+ &index, end, tag))) { |
8680 |
+ unsigned i; |
8681 |
+ |
8682 |
+- scanned = 1; |
8683 |
+ for (i = 0; i < nr_pages; i++) { |
8684 |
+ struct page *page = pvec.pages[i]; |
8685 |
+ |
8686 |
+@@ -4177,7 +4189,16 @@ retry: |
8687 |
+ */ |
8688 |
+ scanned = 1; |
8689 |
+ index = 0; |
8690 |
+- goto retry; |
8691 |
++ |
8692 |
++ /* |
8693 |
++ * If we're looping we could run into a page that is locked by a |
8694 |
++ * writer and that writer could be waiting on writeback for a |
8695 |
++ * page in our current bio, and thus deadlock, so flush the |
8696 |
++ * write bio here. |
8697 |
++ */ |
8698 |
++ ret = flush_write_bio(epd); |
8699 |
++ if (!ret) |
8700 |
++ goto retry; |
8701 |
+ } |
8702 |
+ |
8703 |
+ if (wbc->range_cyclic || (wbc->nr_to_write > 0 && range_whole)) |
8704 |
+diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c |
8705 |
+index 8e86b2d700c4..d88b8d8897cc 100644 |
8706 |
+--- a/fs/btrfs/ioctl.c |
8707 |
++++ b/fs/btrfs/ioctl.c |
8708 |
+@@ -3244,6 +3244,7 @@ static void btrfs_double_extent_lock(struct inode *inode1, u64 loff1, |
8709 |
+ static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len, |
8710 |
+ struct inode *dst, u64 dst_loff) |
8711 |
+ { |
8712 |
++ const u64 bs = BTRFS_I(src)->root->fs_info->sb->s_blocksize; |
8713 |
+ int ret; |
8714 |
+ |
8715 |
+ /* |
8716 |
+@@ -3251,7 +3252,7 @@ static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len, |
8717 |
+ * source range to serialize with relocation. |
8718 |
+ */ |
8719 |
+ btrfs_double_extent_lock(src, loff, dst, dst_loff, len); |
8720 |
+- ret = btrfs_clone(src, dst, loff, len, len, dst_loff, 1); |
8721 |
++ ret = btrfs_clone(src, dst, loff, len, ALIGN(len, bs), dst_loff, 1); |
8722 |
+ btrfs_double_extent_unlock(src, loff, dst, dst_loff, len); |
8723 |
+ |
8724 |
+ return ret; |
8725 |
+diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c |
8726 |
+index 99fe9bf3fdac..98f9684e7ffc 100644 |
8727 |
+--- a/fs/btrfs/tests/btrfs-tests.c |
8728 |
++++ b/fs/btrfs/tests/btrfs-tests.c |
8729 |
+@@ -121,7 +121,6 @@ struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize) |
8730 |
+ spin_lock_init(&fs_info->qgroup_lock); |
8731 |
+ spin_lock_init(&fs_info->super_lock); |
8732 |
+ spin_lock_init(&fs_info->fs_roots_radix_lock); |
8733 |
+- spin_lock_init(&fs_info->tree_mod_seq_lock); |
8734 |
+ mutex_init(&fs_info->qgroup_ioctl_lock); |
8735 |
+ mutex_init(&fs_info->qgroup_rescan_lock); |
8736 |
+ rwlock_init(&fs_info->tree_mod_log_lock); |
8737 |
+diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c |
8738 |
+index 123d9a614357..df7ce874a74b 100644 |
8739 |
+--- a/fs/btrfs/tests/extent-io-tests.c |
8740 |
++++ b/fs/btrfs/tests/extent-io-tests.c |
8741 |
+@@ -441,8 +441,17 @@ static int test_find_first_clear_extent_bit(void) |
8742 |
+ int ret = -EINVAL; |
8743 |
+ |
8744 |
+ test_msg("running find_first_clear_extent_bit test"); |
8745 |
++ |
8746 |
+ extent_io_tree_init(NULL, &tree, IO_TREE_SELFTEST, NULL); |
8747 |
+ |
8748 |
++ /* Test correct handling of empty tree */ |
8749 |
++ find_first_clear_extent_bit(&tree, 0, &start, &end, CHUNK_TRIMMED); |
8750 |
++ if (start != 0 || end != -1) { |
8751 |
++ test_err( |
8752 |
++ "error getting a range from completely empty tree: start %llu end %llu", |
8753 |
++ start, end); |
8754 |
++ goto out; |
8755 |
++ } |
8756 |
+ /* |
8757 |
+ * Set 1M-4M alloc/discard and 32M-64M thus leaving a hole between |
8758 |
+ * 4M-32M |
8759 |
+diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c |
8760 |
+index 8624bdee8c5b..ceffec752234 100644 |
8761 |
+--- a/fs/btrfs/transaction.c |
8762 |
++++ b/fs/btrfs/transaction.c |
8763 |
+@@ -77,13 +77,14 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction) |
8764 |
+ } |
8765 |
+ } |
8766 |
+ |
8767 |
+-static noinline void switch_commit_roots(struct btrfs_transaction *trans) |
8768 |
++static noinline void switch_commit_roots(struct btrfs_trans_handle *trans) |
8769 |
+ { |
8770 |
++ struct btrfs_transaction *cur_trans = trans->transaction; |
8771 |
+ struct btrfs_fs_info *fs_info = trans->fs_info; |
8772 |
+ struct btrfs_root *root, *tmp; |
8773 |
+ |
8774 |
+ down_write(&fs_info->commit_root_sem); |
8775 |
+- list_for_each_entry_safe(root, tmp, &trans->switch_commits, |
8776 |
++ list_for_each_entry_safe(root, tmp, &cur_trans->switch_commits, |
8777 |
+ dirty_list) { |
8778 |
+ list_del_init(&root->dirty_list); |
8779 |
+ free_extent_buffer(root->commit_root); |
8780 |
+@@ -95,16 +96,17 @@ static noinline void switch_commit_roots(struct btrfs_transaction *trans) |
8781 |
+ } |
8782 |
+ |
8783 |
+ /* We can free old roots now. */ |
8784 |
+- spin_lock(&trans->dropped_roots_lock); |
8785 |
+- while (!list_empty(&trans->dropped_roots)) { |
8786 |
+- root = list_first_entry(&trans->dropped_roots, |
8787 |
++ spin_lock(&cur_trans->dropped_roots_lock); |
8788 |
++ while (!list_empty(&cur_trans->dropped_roots)) { |
8789 |
++ root = list_first_entry(&cur_trans->dropped_roots, |
8790 |
+ struct btrfs_root, root_list); |
8791 |
+ list_del_init(&root->root_list); |
8792 |
+- spin_unlock(&trans->dropped_roots_lock); |
8793 |
++ spin_unlock(&cur_trans->dropped_roots_lock); |
8794 |
++ btrfs_free_log(trans, root); |
8795 |
+ btrfs_drop_and_free_fs_root(fs_info, root); |
8796 |
+- spin_lock(&trans->dropped_roots_lock); |
8797 |
++ spin_lock(&cur_trans->dropped_roots_lock); |
8798 |
+ } |
8799 |
+- spin_unlock(&trans->dropped_roots_lock); |
8800 |
++ spin_unlock(&cur_trans->dropped_roots_lock); |
8801 |
+ up_write(&fs_info->commit_root_sem); |
8802 |
+ } |
8803 |
+ |
8804 |
+@@ -1359,7 +1361,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans, |
8805 |
+ ret = commit_cowonly_roots(trans); |
8806 |
+ if (ret) |
8807 |
+ goto out; |
8808 |
+- switch_commit_roots(trans->transaction); |
8809 |
++ switch_commit_roots(trans); |
8810 |
+ ret = btrfs_write_and_wait_transaction(trans); |
8811 |
+ if (ret) |
8812 |
+ btrfs_handle_fs_error(fs_info, ret, |
8813 |
+@@ -1949,6 +1951,14 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) |
8814 |
+ struct btrfs_transaction *prev_trans = NULL; |
8815 |
+ int ret; |
8816 |
+ |
8817 |
++ /* |
8818 |
++ * Some places just start a transaction to commit it. We need to make |
8819 |
++ * sure that if this commit fails that the abort code actually marks the |
8820 |
++ * transaction as failed, so set trans->dirty to make the abort code do |
8821 |
++ * the right thing. |
8822 |
++ */ |
8823 |
++ trans->dirty = true; |
8824 |
++ |
8825 |
+ /* Stop the commit early if ->aborted is set */ |
8826 |
+ if (unlikely(READ_ONCE(cur_trans->aborted))) { |
8827 |
+ ret = cur_trans->aborted; |
8828 |
+@@ -2237,7 +2247,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) |
8829 |
+ list_add_tail(&fs_info->chunk_root->dirty_list, |
8830 |
+ &cur_trans->switch_commits); |
8831 |
+ |
8832 |
+- switch_commit_roots(cur_trans); |
8833 |
++ switch_commit_roots(trans); |
8834 |
+ |
8835 |
+ ASSERT(list_empty(&cur_trans->dirty_bgs)); |
8836 |
+ ASSERT(list_empty(&cur_trans->io_bgs)); |
8837 |
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c |
8838 |
+index ab27e6cd9b3e..6f2178618c22 100644 |
8839 |
+--- a/fs/btrfs/tree-log.c |
8840 |
++++ b/fs/btrfs/tree-log.c |
8841 |
+@@ -3953,7 +3953,7 @@ static int log_csums(struct btrfs_trans_handle *trans, |
8842 |
+ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8843 |
+ struct btrfs_inode *inode, |
8844 |
+ struct btrfs_path *dst_path, |
8845 |
+- struct btrfs_path *src_path, u64 *last_extent, |
8846 |
++ struct btrfs_path *src_path, |
8847 |
+ int start_slot, int nr, int inode_only, |
8848 |
+ u64 logged_isize) |
8849 |
+ { |
8850 |
+@@ -3964,7 +3964,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8851 |
+ struct btrfs_file_extent_item *extent; |
8852 |
+ struct btrfs_inode_item *inode_item; |
8853 |
+ struct extent_buffer *src = src_path->nodes[0]; |
8854 |
+- struct btrfs_key first_key, last_key, key; |
8855 |
+ int ret; |
8856 |
+ struct btrfs_key *ins_keys; |
8857 |
+ u32 *ins_sizes; |
8858 |
+@@ -3972,9 +3971,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8859 |
+ int i; |
8860 |
+ struct list_head ordered_sums; |
8861 |
+ int skip_csum = inode->flags & BTRFS_INODE_NODATASUM; |
8862 |
+- bool has_extents = false; |
8863 |
+- bool need_find_last_extent = true; |
8864 |
+- bool done = false; |
8865 |
+ |
8866 |
+ INIT_LIST_HEAD(&ordered_sums); |
8867 |
+ |
8868 |
+@@ -3983,8 +3979,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8869 |
+ if (!ins_data) |
8870 |
+ return -ENOMEM; |
8871 |
+ |
8872 |
+- first_key.objectid = (u64)-1; |
8873 |
+- |
8874 |
+ ins_sizes = (u32 *)ins_data; |
8875 |
+ ins_keys = (struct btrfs_key *)(ins_data + nr * sizeof(u32)); |
8876 |
+ |
8877 |
+@@ -4005,9 +3999,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8878 |
+ |
8879 |
+ src_offset = btrfs_item_ptr_offset(src, start_slot + i); |
8880 |
+ |
8881 |
+- if (i == nr - 1) |
8882 |
+- last_key = ins_keys[i]; |
8883 |
+- |
8884 |
+ if (ins_keys[i].type == BTRFS_INODE_ITEM_KEY) { |
8885 |
+ inode_item = btrfs_item_ptr(dst_path->nodes[0], |
8886 |
+ dst_path->slots[0], |
8887 |
+@@ -4021,20 +4012,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8888 |
+ src_offset, ins_sizes[i]); |
8889 |
+ } |
8890 |
+ |
8891 |
+- /* |
8892 |
+- * We set need_find_last_extent here in case we know we were |
8893 |
+- * processing other items and then walk into the first extent in |
8894 |
+- * the inode. If we don't hit an extent then nothing changes, |
8895 |
+- * we'll do the last search the next time around. |
8896 |
+- */ |
8897 |
+- if (ins_keys[i].type == BTRFS_EXTENT_DATA_KEY) { |
8898 |
+- has_extents = true; |
8899 |
+- if (first_key.objectid == (u64)-1) |
8900 |
+- first_key = ins_keys[i]; |
8901 |
+- } else { |
8902 |
+- need_find_last_extent = false; |
8903 |
+- } |
8904 |
+- |
8905 |
+ /* take a reference on file data extents so that truncates |
8906 |
+ * or deletes of this inode don't have to relog the inode |
8907 |
+ * again |
8908 |
+@@ -4100,167 +4077,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, |
8909 |
+ kfree(sums); |
8910 |
+ } |
8911 |
+ |
8912 |
+- if (!has_extents) |
8913 |
+- return ret; |
8914 |
+- |
8915 |
+- if (need_find_last_extent && *last_extent == first_key.offset) { |
8916 |
+- /* |
8917 |
+- * We don't have any leafs between our current one and the one |
8918 |
+- * we processed before that can have file extent items for our |
8919 |
+- * inode (and have a generation number smaller than our current |
8920 |
+- * transaction id). |
8921 |
+- */ |
8922 |
+- need_find_last_extent = false; |
8923 |
+- } |
8924 |
+- |
8925 |
+- /* |
8926 |
+- * Because we use btrfs_search_forward we could skip leaves that were |
8927 |
+- * not modified and then assume *last_extent is valid when it really |
8928 |
+- * isn't. So back up to the previous leaf and read the end of the last |
8929 |
+- * extent before we go and fill in holes. |
8930 |
+- */ |
8931 |
+- if (need_find_last_extent) { |
8932 |
+- u64 len; |
8933 |
+- |
8934 |
+- ret = btrfs_prev_leaf(inode->root, src_path); |
8935 |
+- if (ret < 0) |
8936 |
+- return ret; |
8937 |
+- if (ret) |
8938 |
+- goto fill_holes; |
8939 |
+- if (src_path->slots[0]) |
8940 |
+- src_path->slots[0]--; |
8941 |
+- src = src_path->nodes[0]; |
8942 |
+- btrfs_item_key_to_cpu(src, &key, src_path->slots[0]); |
8943 |
+- if (key.objectid != btrfs_ino(inode) || |
8944 |
+- key.type != BTRFS_EXTENT_DATA_KEY) |
8945 |
+- goto fill_holes; |
8946 |
+- extent = btrfs_item_ptr(src, src_path->slots[0], |
8947 |
+- struct btrfs_file_extent_item); |
8948 |
+- if (btrfs_file_extent_type(src, extent) == |
8949 |
+- BTRFS_FILE_EXTENT_INLINE) { |
8950 |
+- len = btrfs_file_extent_ram_bytes(src, extent); |
8951 |
+- *last_extent = ALIGN(key.offset + len, |
8952 |
+- fs_info->sectorsize); |
8953 |
+- } else { |
8954 |
+- len = btrfs_file_extent_num_bytes(src, extent); |
8955 |
+- *last_extent = key.offset + len; |
8956 |
+- } |
8957 |
+- } |
8958 |
+-fill_holes: |
8959 |
+- /* So we did prev_leaf, now we need to move to the next leaf, but a few |
8960 |
+- * things could have happened |
8961 |
+- * |
8962 |
+- * 1) A merge could have happened, so we could currently be on a leaf |
8963 |
+- * that holds what we were copying in the first place. |
8964 |
+- * 2) A split could have happened, and now not all of the items we want |
8965 |
+- * are on the same leaf. |
8966 |
+- * |
8967 |
+- * So we need to adjust how we search for holes, we need to drop the |
8968 |
+- * path and re-search for the first extent key we found, and then walk |
8969 |
+- * forward until we hit the last one we copied. |
8970 |
+- */ |
8971 |
+- if (need_find_last_extent) { |
8972 |
+- /* btrfs_prev_leaf could return 1 without releasing the path */ |
8973 |
+- btrfs_release_path(src_path); |
8974 |
+- ret = btrfs_search_slot(NULL, inode->root, &first_key, |
8975 |
+- src_path, 0, 0); |
8976 |
+- if (ret < 0) |
8977 |
+- return ret; |
8978 |
+- ASSERT(ret == 0); |
8979 |
+- src = src_path->nodes[0]; |
8980 |
+- i = src_path->slots[0]; |
8981 |
+- } else { |
8982 |
+- i = start_slot; |
8983 |
+- } |
8984 |
+- |
8985 |
+- /* |
8986 |
+- * Ok so here we need to go through and fill in any holes we may have |
8987 |
+- * to make sure that holes are punched for those areas in case they had |
8988 |
+- * extents previously. |
8989 |
+- */ |
8990 |
+- while (!done) { |
8991 |
+- u64 offset, len; |
8992 |
+- u64 extent_end; |
8993 |
+- |
8994 |
+- if (i >= btrfs_header_nritems(src_path->nodes[0])) { |
8995 |
+- ret = btrfs_next_leaf(inode->root, src_path); |
8996 |
+- if (ret < 0) |
8997 |
+- return ret; |
8998 |
+- ASSERT(ret == 0); |
8999 |
+- src = src_path->nodes[0]; |
9000 |
+- i = 0; |
9001 |
+- need_find_last_extent = true; |
9002 |
+- } |
9003 |
+- |
9004 |
+- btrfs_item_key_to_cpu(src, &key, i); |
9005 |
+- if (!btrfs_comp_cpu_keys(&key, &last_key)) |
9006 |
+- done = true; |
9007 |
+- if (key.objectid != btrfs_ino(inode) || |
9008 |
+- key.type != BTRFS_EXTENT_DATA_KEY) { |
9009 |
+- i++; |
9010 |
+- continue; |
9011 |
+- } |
9012 |
+- extent = btrfs_item_ptr(src, i, struct btrfs_file_extent_item); |
9013 |
+- if (btrfs_file_extent_type(src, extent) == |
9014 |
+- BTRFS_FILE_EXTENT_INLINE) { |
9015 |
+- len = btrfs_file_extent_ram_bytes(src, extent); |
9016 |
+- extent_end = ALIGN(key.offset + len, |
9017 |
+- fs_info->sectorsize); |
9018 |
+- } else { |
9019 |
+- len = btrfs_file_extent_num_bytes(src, extent); |
9020 |
+- extent_end = key.offset + len; |
9021 |
+- } |
9022 |
+- i++; |
9023 |
+- |
9024 |
+- if (*last_extent == key.offset) { |
9025 |
+- *last_extent = extent_end; |
9026 |
+- continue; |
9027 |
+- } |
9028 |
+- offset = *last_extent; |
9029 |
+- len = key.offset - *last_extent; |
9030 |
+- ret = btrfs_insert_file_extent(trans, log, btrfs_ino(inode), |
9031 |
+- offset, 0, 0, len, 0, len, 0, 0, 0); |
9032 |
+- if (ret) |
9033 |
+- break; |
9034 |
+- *last_extent = extent_end; |
9035 |
+- } |
9036 |
+- |
9037 |
+- /* |
9038 |
+- * Check if there is a hole between the last extent found in our leaf |
9039 |
+- * and the first extent in the next leaf. If there is one, we need to |
9040 |
+- * log an explicit hole so that at replay time we can punch the hole. |
9041 |
+- */ |
9042 |
+- if (ret == 0 && |
9043 |
+- key.objectid == btrfs_ino(inode) && |
9044 |
+- key.type == BTRFS_EXTENT_DATA_KEY && |
9045 |
+- i == btrfs_header_nritems(src_path->nodes[0])) { |
9046 |
+- ret = btrfs_next_leaf(inode->root, src_path); |
9047 |
+- need_find_last_extent = true; |
9048 |
+- if (ret > 0) { |
9049 |
+- ret = 0; |
9050 |
+- } else if (ret == 0) { |
9051 |
+- btrfs_item_key_to_cpu(src_path->nodes[0], &key, |
9052 |
+- src_path->slots[0]); |
9053 |
+- if (key.objectid == btrfs_ino(inode) && |
9054 |
+- key.type == BTRFS_EXTENT_DATA_KEY && |
9055 |
+- *last_extent < key.offset) { |
9056 |
+- const u64 len = key.offset - *last_extent; |
9057 |
+- |
9058 |
+- ret = btrfs_insert_file_extent(trans, log, |
9059 |
+- btrfs_ino(inode), |
9060 |
+- *last_extent, 0, |
9061 |
+- 0, len, 0, len, |
9062 |
+- 0, 0, 0); |
9063 |
+- *last_extent += len; |
9064 |
+- } |
9065 |
+- } |
9066 |
+- } |
9067 |
+- /* |
9068 |
+- * Need to let the callers know we dropped the path so they should |
9069 |
+- * re-search. |
9070 |
+- */ |
9071 |
+- if (!ret && need_find_last_extent) |
9072 |
+- ret = 1; |
9073 |
+ return ret; |
9074 |
+ } |
9075 |
+ |
9076 |
+@@ -4425,7 +4241,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans, |
9077 |
+ const u64 i_size = i_size_read(&inode->vfs_inode); |
9078 |
+ const u64 ino = btrfs_ino(inode); |
9079 |
+ struct btrfs_path *dst_path = NULL; |
9080 |
+- u64 last_extent = (u64)-1; |
9081 |
++ bool dropped_extents = false; |
9082 |
+ int ins_nr = 0; |
9083 |
+ int start_slot; |
9084 |
+ int ret; |
9085 |
+@@ -4447,8 +4263,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans, |
9086 |
+ if (slot >= btrfs_header_nritems(leaf)) { |
9087 |
+ if (ins_nr > 0) { |
9088 |
+ ret = copy_items(trans, inode, dst_path, path, |
9089 |
+- &last_extent, start_slot, |
9090 |
+- ins_nr, 1, 0); |
9091 |
++ start_slot, ins_nr, 1, 0); |
9092 |
+ if (ret < 0) |
9093 |
+ goto out; |
9094 |
+ ins_nr = 0; |
9095 |
+@@ -4472,8 +4287,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans, |
9096 |
+ path->slots[0]++; |
9097 |
+ continue; |
9098 |
+ } |
9099 |
+- if (last_extent == (u64)-1) { |
9100 |
+- last_extent = key.offset; |
9101 |
++ if (!dropped_extents) { |
9102 |
+ /* |
9103 |
+ * Avoid logging extent items logged in past fsync calls |
9104 |
+ * and leading to duplicate keys in the log tree. |
9105 |
+@@ -4487,6 +4301,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans, |
9106 |
+ } while (ret == -EAGAIN); |
9107 |
+ if (ret) |
9108 |
+ goto out; |
9109 |
++ dropped_extents = true; |
9110 |
+ } |
9111 |
+ if (ins_nr == 0) |
9112 |
+ start_slot = slot; |
9113 |
+@@ -4501,7 +4316,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans, |
9114 |
+ } |
9115 |
+ } |
9116 |
+ if (ins_nr > 0) { |
9117 |
+- ret = copy_items(trans, inode, dst_path, path, &last_extent, |
9118 |
++ ret = copy_items(trans, inode, dst_path, path, |
9119 |
+ start_slot, ins_nr, 1, 0); |
9120 |
+ if (ret > 0) |
9121 |
+ ret = 0; |
9122 |
+@@ -4688,13 +4503,8 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans, |
9123 |
+ |
9124 |
+ if (slot >= nritems) { |
9125 |
+ if (ins_nr > 0) { |
9126 |
+- u64 last_extent = 0; |
9127 |
+- |
9128 |
+ ret = copy_items(trans, inode, dst_path, path, |
9129 |
+- &last_extent, start_slot, |
9130 |
+- ins_nr, 1, 0); |
9131 |
+- /* can't be 1, extent items aren't processed */ |
9132 |
+- ASSERT(ret <= 0); |
9133 |
++ start_slot, ins_nr, 1, 0); |
9134 |
+ if (ret < 0) |
9135 |
+ return ret; |
9136 |
+ ins_nr = 0; |
9137 |
+@@ -4718,13 +4528,8 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans, |
9138 |
+ cond_resched(); |
9139 |
+ } |
9140 |
+ if (ins_nr > 0) { |
9141 |
+- u64 last_extent = 0; |
9142 |
+- |
9143 |
+ ret = copy_items(trans, inode, dst_path, path, |
9144 |
+- &last_extent, start_slot, |
9145 |
+- ins_nr, 1, 0); |
9146 |
+- /* can't be 1, extent items aren't processed */ |
9147 |
+- ASSERT(ret <= 0); |
9148 |
++ start_slot, ins_nr, 1, 0); |
9149 |
+ if (ret < 0) |
9150 |
+ return ret; |
9151 |
+ } |
9152 |
+@@ -4733,100 +4538,119 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans, |
9153 |
+ } |
9154 |
+ |
9155 |
+ /* |
9156 |
+- * If the no holes feature is enabled we need to make sure any hole between the |
9157 |
+- * last extent and the i_size of our inode is explicitly marked in the log. This |
9158 |
+- * is to make sure that doing something like: |
9159 |
+- * |
9160 |
+- * 1) create file with 128Kb of data |
9161 |
+- * 2) truncate file to 64Kb |
9162 |
+- * 3) truncate file to 256Kb |
9163 |
+- * 4) fsync file |
9164 |
+- * 5) <crash/power failure> |
9165 |
+- * 6) mount fs and trigger log replay |
9166 |
+- * |
9167 |
+- * Will give us a file with a size of 256Kb, the first 64Kb of data match what |
9168 |
+- * the file had in its first 64Kb of data at step 1 and the last 192Kb of the |
9169 |
+- * file correspond to a hole. The presence of explicit holes in a log tree is |
9170 |
+- * what guarantees that log replay will remove/adjust file extent items in the |
9171 |
+- * fs/subvol tree. |
9172 |
+- * |
9173 |
+- * Here we do not need to care about holes between extents, that is already done |
9174 |
+- * by copy_items(). We also only need to do this in the full sync path, where we |
9175 |
+- * lookup for extents from the fs/subvol tree only. In the fast path case, we |
9176 |
+- * lookup the list of modified extent maps and if any represents a hole, we |
9177 |
+- * insert a corresponding extent representing a hole in the log tree. |
9178 |
++ * When using the NO_HOLES feature if we punched a hole that causes the |
9179 |
++ * deletion of entire leafs or all the extent items of the first leaf (the one |
9180 |
++ * that contains the inode item and references) we may end up not processing |
9181 |
++ * any extents, because there are no leafs with a generation matching the |
9182 |
++ * current transaction that have extent items for our inode. So we need to find |
9183 |
++ * if any holes exist and then log them. We also need to log holes after any |
9184 |
++ * truncate operation that changes the inode's size. |
9185 |
+ */ |
9186 |
+-static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans, |
9187 |
+- struct btrfs_root *root, |
9188 |
+- struct btrfs_inode *inode, |
9189 |
+- struct btrfs_path *path) |
9190 |
++static int btrfs_log_holes(struct btrfs_trans_handle *trans, |
9191 |
++ struct btrfs_root *root, |
9192 |
++ struct btrfs_inode *inode, |
9193 |
++ struct btrfs_path *path) |
9194 |
+ { |
9195 |
+ struct btrfs_fs_info *fs_info = root->fs_info; |
9196 |
+- int ret; |
9197 |
+ struct btrfs_key key; |
9198 |
+- u64 hole_start; |
9199 |
+- u64 hole_size; |
9200 |
+- struct extent_buffer *leaf; |
9201 |
+- struct btrfs_root *log = root->log_root; |
9202 |
+ const u64 ino = btrfs_ino(inode); |
9203 |
+ const u64 i_size = i_size_read(&inode->vfs_inode); |
9204 |
++ u64 prev_extent_end = 0; |
9205 |
++ int ret; |
9206 |
+ |
9207 |
+- if (!btrfs_fs_incompat(fs_info, NO_HOLES)) |
9208 |
++ if (!btrfs_fs_incompat(fs_info, NO_HOLES) || i_size == 0) |
9209 |
+ return 0; |
9210 |
+ |
9211 |
+ key.objectid = ino; |
9212 |
+ key.type = BTRFS_EXTENT_DATA_KEY; |
9213 |
+- key.offset = (u64)-1; |
9214 |
++ key.offset = 0; |
9215 |
+ |
9216 |
+ ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); |
9217 |
+- ASSERT(ret != 0); |
9218 |
+ if (ret < 0) |
9219 |
+ return ret; |
9220 |
+ |
9221 |
+- ASSERT(path->slots[0] > 0); |
9222 |
+- path->slots[0]--; |
9223 |
+- leaf = path->nodes[0]; |
9224 |
+- btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); |
9225 |
+- |
9226 |
+- if (key.objectid != ino || key.type != BTRFS_EXTENT_DATA_KEY) { |
9227 |
+- /* inode does not have any extents */ |
9228 |
+- hole_start = 0; |
9229 |
+- hole_size = i_size; |
9230 |
+- } else { |
9231 |
++ while (true) { |
9232 |
+ struct btrfs_file_extent_item *extent; |
9233 |
++ struct extent_buffer *leaf = path->nodes[0]; |
9234 |
+ u64 len; |
9235 |
+ |
9236 |
+- /* |
9237 |
+- * If there's an extent beyond i_size, an explicit hole was |
9238 |
+- * already inserted by copy_items(). |
9239 |
+- */ |
9240 |
+- if (key.offset >= i_size) |
9241 |
+- return 0; |
9242 |
++ if (path->slots[0] >= btrfs_header_nritems(path->nodes[0])) { |
9243 |
++ ret = btrfs_next_leaf(root, path); |
9244 |
++ if (ret < 0) |
9245 |
++ return ret; |
9246 |
++ if (ret > 0) { |
9247 |
++ ret = 0; |
9248 |
++ break; |
9249 |
++ } |
9250 |
++ leaf = path->nodes[0]; |
9251 |
++ } |
9252 |
++ |
9253 |
++ btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); |
9254 |
++ if (key.objectid != ino || key.type != BTRFS_EXTENT_DATA_KEY) |
9255 |
++ break; |
9256 |
++ |
9257 |
++ /* We have a hole, log it. */ |
9258 |
++ if (prev_extent_end < key.offset) { |
9259 |
++ const u64 hole_len = key.offset - prev_extent_end; |
9260 |
++ |
9261 |
++ /* |
9262 |
++ * Release the path to avoid deadlocks with other code |
9263 |
++ * paths that search the root while holding locks on |
9264 |
++ * leafs from the log root. |
9265 |
++ */ |
9266 |
++ btrfs_release_path(path); |
9267 |
++ ret = btrfs_insert_file_extent(trans, root->log_root, |
9268 |
++ ino, prev_extent_end, 0, |
9269 |
++ 0, hole_len, 0, hole_len, |
9270 |
++ 0, 0, 0); |
9271 |
++ if (ret < 0) |
9272 |
++ return ret; |
9273 |
++ |
9274 |
++ /* |
9275 |
++ * Search for the same key again in the root. Since it's |
9276 |
++ * an extent item and we are holding the inode lock, the |
9277 |
++ * key must still exist. If it doesn't just emit warning |
9278 |
++ * and return an error to fall back to a transaction |
9279 |
++ * commit. |
9280 |
++ */ |
9281 |
++ ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); |
9282 |
++ if (ret < 0) |
9283 |
++ return ret; |
9284 |
++ if (WARN_ON(ret > 0)) |
9285 |
++ return -ENOENT; |
9286 |
++ leaf = path->nodes[0]; |
9287 |
++ } |
9288 |
+ |
9289 |
+ extent = btrfs_item_ptr(leaf, path->slots[0], |
9290 |
+ struct btrfs_file_extent_item); |
9291 |
+- |
9292 |
+ if (btrfs_file_extent_type(leaf, extent) == |
9293 |
+- BTRFS_FILE_EXTENT_INLINE) |
9294 |
+- return 0; |
9295 |
++ BTRFS_FILE_EXTENT_INLINE) { |
9296 |
++ len = btrfs_file_extent_ram_bytes(leaf, extent); |
9297 |
++ prev_extent_end = ALIGN(key.offset + len, |
9298 |
++ fs_info->sectorsize); |
9299 |
++ } else { |
9300 |
++ len = btrfs_file_extent_num_bytes(leaf, extent); |
9301 |
++ prev_extent_end = key.offset + len; |
9302 |
++ } |
9303 |
+ |
9304 |
+- len = btrfs_file_extent_num_bytes(leaf, extent); |
9305 |
+- /* Last extent goes beyond i_size, no need to log a hole. */ |
9306 |
+- if (key.offset + len > i_size) |
9307 |
+- return 0; |
9308 |
+- hole_start = key.offset + len; |
9309 |
+- hole_size = i_size - hole_start; |
9310 |
++ path->slots[0]++; |
9311 |
++ cond_resched(); |
9312 |
+ } |
9313 |
+- btrfs_release_path(path); |
9314 |
+ |
9315 |
+- /* Last extent ends at i_size. */ |
9316 |
+- if (hole_size == 0) |
9317 |
+- return 0; |
9318 |
++ if (prev_extent_end < i_size) { |
9319 |
++ u64 hole_len; |
9320 |
+ |
9321 |
+- hole_size = ALIGN(hole_size, fs_info->sectorsize); |
9322 |
+- ret = btrfs_insert_file_extent(trans, log, ino, hole_start, 0, 0, |
9323 |
+- hole_size, 0, hole_size, 0, 0, 0); |
9324 |
+- return ret; |
9325 |
++ btrfs_release_path(path); |
9326 |
++ hole_len = ALIGN(i_size - prev_extent_end, fs_info->sectorsize); |
9327 |
++ ret = btrfs_insert_file_extent(trans, root->log_root, |
9328 |
++ ino, prev_extent_end, 0, 0, |
9329 |
++ hole_len, 0, hole_len, |
9330 |
++ 0, 0, 0); |
9331 |
++ if (ret < 0) |
9332 |
++ return ret; |
9333 |
++ } |
9334 |
++ |
9335 |
++ return 0; |
9336 |
+ } |
9337 |
+ |
9338 |
+ /* |
9339 |
+@@ -5030,6 +4854,50 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, |
9340 |
+ } |
9341 |
+ continue; |
9342 |
+ } |
9343 |
++ /* |
9344 |
++ * If the inode was already logged skip it - otherwise we can |
9345 |
++ * hit an infinite loop. Example: |
9346 |
++ * |
9347 |
++ * From the commit root (previous transaction) we have the |
9348 |
++ * following inodes: |
9349 |
++ * |
9350 |
++ * inode 257 a directory |
9351 |
++ * inode 258 with references "zz" and "zz_link" on inode 257 |
9352 |
++ * inode 259 with reference "a" on inode 257 |
9353 |
++ * |
9354 |
++ * And in the current (uncommitted) transaction we have: |
9355 |
++ * |
9356 |
++ * inode 257 a directory, unchanged |
9357 |
++ * inode 258 with references "a" and "a2" on inode 257 |
9358 |
++ * inode 259 with reference "zz_link" on inode 257 |
9359 |
++ * inode 261 with reference "zz" on inode 257 |
9360 |
++ * |
9361 |
++ * When logging inode 261 the following infinite loop could |
9362 |
++ * happen if we don't skip already logged inodes: |
9363 |
++ * |
9364 |
++ * - we detect inode 258 as a conflicting inode, with inode 261 |
9365 |
++ * on reference "zz", and log it; |
9366 |
++ * |
9367 |
++ * - we detect inode 259 as a conflicting inode, with inode 258 |
9368 |
++ * on reference "a", and log it; |
9369 |
++ * |
9370 |
++ * - we detect inode 258 as a conflicting inode, with inode 259 |
9371 |
++ * on reference "zz_link", and log it - again! After this we |
9372 |
++ * repeat the above steps forever. |
9373 |
++ */ |
9374 |
++ spin_lock(&BTRFS_I(inode)->lock); |
9375 |
++ /* |
9376 |
++ * Check the inode's logged_trans only instead of |
9377 |
++ * btrfs_inode_in_log(). This is because the last_log_commit of |
9378 |
++ * the inode is not updated when we only log that it exists and |
9379 |
++ * and it has the full sync bit set (see btrfs_log_inode()). |
9380 |
++ */ |
9381 |
++ if (BTRFS_I(inode)->logged_trans == trans->transid) { |
9382 |
++ spin_unlock(&BTRFS_I(inode)->lock); |
9383 |
++ btrfs_add_delayed_iput(inode); |
9384 |
++ continue; |
9385 |
++ } |
9386 |
++ spin_unlock(&BTRFS_I(inode)->lock); |
9387 |
+ /* |
9388 |
+ * We are safe logging the other inode without acquiring its |
9389 |
+ * lock as long as we log with the LOG_INODE_EXISTS mode. We |
9390 |
+@@ -5129,7 +4997,6 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, |
9391 |
+ struct btrfs_key min_key; |
9392 |
+ struct btrfs_key max_key; |
9393 |
+ struct btrfs_root *log = root->log_root; |
9394 |
+- u64 last_extent = 0; |
9395 |
+ int err = 0; |
9396 |
+ int ret; |
9397 |
+ int nritems; |
9398 |
+@@ -5307,7 +5174,7 @@ again: |
9399 |
+ ins_start_slot = path->slots[0]; |
9400 |
+ } |
9401 |
+ ret = copy_items(trans, inode, dst_path, path, |
9402 |
+- &last_extent, ins_start_slot, |
9403 |
++ ins_start_slot, |
9404 |
+ ins_nr, inode_only, |
9405 |
+ logged_isize); |
9406 |
+ if (ret < 0) { |
9407 |
+@@ -5330,17 +5197,13 @@ again: |
9408 |
+ if (ins_nr == 0) |
9409 |
+ goto next_slot; |
9410 |
+ ret = copy_items(trans, inode, dst_path, path, |
9411 |
+- &last_extent, ins_start_slot, |
9412 |
++ ins_start_slot, |
9413 |
+ ins_nr, inode_only, logged_isize); |
9414 |
+ if (ret < 0) { |
9415 |
+ err = ret; |
9416 |
+ goto out_unlock; |
9417 |
+ } |
9418 |
+ ins_nr = 0; |
9419 |
+- if (ret) { |
9420 |
+- btrfs_release_path(path); |
9421 |
+- continue; |
9422 |
+- } |
9423 |
+ goto next_slot; |
9424 |
+ } |
9425 |
+ |
9426 |
+@@ -5353,18 +5216,13 @@ again: |
9427 |
+ goto next_slot; |
9428 |
+ } |
9429 |
+ |
9430 |
+- ret = copy_items(trans, inode, dst_path, path, &last_extent, |
9431 |
++ ret = copy_items(trans, inode, dst_path, path, |
9432 |
+ ins_start_slot, ins_nr, inode_only, |
9433 |
+ logged_isize); |
9434 |
+ if (ret < 0) { |
9435 |
+ err = ret; |
9436 |
+ goto out_unlock; |
9437 |
+ } |
9438 |
+- if (ret) { |
9439 |
+- ins_nr = 0; |
9440 |
+- btrfs_release_path(path); |
9441 |
+- continue; |
9442 |
+- } |
9443 |
+ ins_nr = 1; |
9444 |
+ ins_start_slot = path->slots[0]; |
9445 |
+ next_slot: |
9446 |
+@@ -5378,13 +5236,12 @@ next_slot: |
9447 |
+ } |
9448 |
+ if (ins_nr) { |
9449 |
+ ret = copy_items(trans, inode, dst_path, path, |
9450 |
+- &last_extent, ins_start_slot, |
9451 |
++ ins_start_slot, |
9452 |
+ ins_nr, inode_only, logged_isize); |
9453 |
+ if (ret < 0) { |
9454 |
+ err = ret; |
9455 |
+ goto out_unlock; |
9456 |
+ } |
9457 |
+- ret = 0; |
9458 |
+ ins_nr = 0; |
9459 |
+ } |
9460 |
+ btrfs_release_path(path); |
9461 |
+@@ -5399,14 +5256,13 @@ next_key: |
9462 |
+ } |
9463 |
+ } |
9464 |
+ if (ins_nr) { |
9465 |
+- ret = copy_items(trans, inode, dst_path, path, &last_extent, |
9466 |
++ ret = copy_items(trans, inode, dst_path, path, |
9467 |
+ ins_start_slot, ins_nr, inode_only, |
9468 |
+ logged_isize); |
9469 |
+ if (ret < 0) { |
9470 |
+ err = ret; |
9471 |
+ goto out_unlock; |
9472 |
+ } |
9473 |
+- ret = 0; |
9474 |
+ ins_nr = 0; |
9475 |
+ } |
9476 |
+ |
9477 |
+@@ -5419,7 +5275,7 @@ next_key: |
9478 |
+ if (max_key.type >= BTRFS_EXTENT_DATA_KEY && !fast_search) { |
9479 |
+ btrfs_release_path(path); |
9480 |
+ btrfs_release_path(dst_path); |
9481 |
+- err = btrfs_log_trailing_hole(trans, root, inode, path); |
9482 |
++ err = btrfs_log_holes(trans, root, inode, path); |
9483 |
+ if (err) |
9484 |
+ goto out_unlock; |
9485 |
+ } |
9486 |
+diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c |
9487 |
+index 97f1ba7c18b2..f7d9fc1a6fc2 100644 |
9488 |
+--- a/fs/btrfs/volumes.c |
9489 |
++++ b/fs/btrfs/volumes.c |
9490 |
+@@ -881,17 +881,28 @@ static struct btrfs_fs_devices *find_fsid_changed( |
9491 |
+ /* |
9492 |
+ * Handles the case where scanned device is part of an fs that had |
9493 |
+ * multiple successful changes of FSID but curently device didn't |
9494 |
+- * observe it. Meaning our fsid will be different than theirs. |
9495 |
++ * observe it. Meaning our fsid will be different than theirs. We need |
9496 |
++ * to handle two subcases : |
9497 |
++ * 1 - The fs still continues to have different METADATA/FSID uuids. |
9498 |
++ * 2 - The fs is switched back to its original FSID (METADATA/FSID |
9499 |
++ * are equal). |
9500 |
+ */ |
9501 |
+ list_for_each_entry(fs_devices, &fs_uuids, fs_list) { |
9502 |
++ /* Changed UUIDs */ |
9503 |
+ if (memcmp(fs_devices->metadata_uuid, fs_devices->fsid, |
9504 |
+ BTRFS_FSID_SIZE) != 0 && |
9505 |
+ memcmp(fs_devices->metadata_uuid, disk_super->metadata_uuid, |
9506 |
+ BTRFS_FSID_SIZE) == 0 && |
9507 |
+ memcmp(fs_devices->fsid, disk_super->fsid, |
9508 |
+- BTRFS_FSID_SIZE) != 0) { |
9509 |
++ BTRFS_FSID_SIZE) != 0) |
9510 |
++ return fs_devices; |
9511 |
++ |
9512 |
++ /* Unchanged UUIDs */ |
9513 |
++ if (memcmp(fs_devices->metadata_uuid, fs_devices->fsid, |
9514 |
++ BTRFS_FSID_SIZE) == 0 && |
9515 |
++ memcmp(fs_devices->fsid, disk_super->metadata_uuid, |
9516 |
++ BTRFS_FSID_SIZE) == 0) |
9517 |
+ return fs_devices; |
9518 |
+- } |
9519 |
+ } |
9520 |
+ |
9521 |
+ return NULL; |
9522 |
+diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c |
9523 |
+index e1cac715d19e..06d932ed097e 100644 |
9524 |
+--- a/fs/cifs/smb2pdu.c |
9525 |
++++ b/fs/cifs/smb2pdu.c |
9526 |
+@@ -350,9 +350,14 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon) |
9527 |
+ } |
9528 |
+ |
9529 |
+ rc = cifs_negotiate_protocol(0, tcon->ses); |
9530 |
+- if (!rc && tcon->ses->need_reconnect) |
9531 |
++ if (!rc && tcon->ses->need_reconnect) { |
9532 |
+ rc = cifs_setup_session(0, tcon->ses, nls_codepage); |
9533 |
+- |
9534 |
++ if ((rc == -EACCES) && !tcon->retry) { |
9535 |
++ rc = -EHOSTDOWN; |
9536 |
++ mutex_unlock(&tcon->ses->session_mutex); |
9537 |
++ goto failed; |
9538 |
++ } |
9539 |
++ } |
9540 |
+ if (rc || !tcon->need_reconnect) { |
9541 |
+ mutex_unlock(&tcon->ses->session_mutex); |
9542 |
+ goto out; |
9543 |
+@@ -397,6 +402,7 @@ out: |
9544 |
+ case SMB2_SET_INFO: |
9545 |
+ rc = -EAGAIN; |
9546 |
+ } |
9547 |
++failed: |
9548 |
+ unload_nls(nls_codepage); |
9549 |
+ return rc; |
9550 |
+ } |
9551 |
+diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c |
9552 |
+index 680aba9c00d5..fd0b5dd68f9e 100644 |
9553 |
+--- a/fs/configfs/inode.c |
9554 |
++++ b/fs/configfs/inode.c |
9555 |
+@@ -76,14 +76,11 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) |
9556 |
+ if (ia_valid & ATTR_GID) |
9557 |
+ sd_iattr->ia_gid = iattr->ia_gid; |
9558 |
+ if (ia_valid & ATTR_ATIME) |
9559 |
+- sd_iattr->ia_atime = timestamp_truncate(iattr->ia_atime, |
9560 |
+- inode); |
9561 |
++ sd_iattr->ia_atime = iattr->ia_atime; |
9562 |
+ if (ia_valid & ATTR_MTIME) |
9563 |
+- sd_iattr->ia_mtime = timestamp_truncate(iattr->ia_mtime, |
9564 |
+- inode); |
9565 |
++ sd_iattr->ia_mtime = iattr->ia_mtime; |
9566 |
+ if (ia_valid & ATTR_CTIME) |
9567 |
+- sd_iattr->ia_ctime = timestamp_truncate(iattr->ia_ctime, |
9568 |
+- inode); |
9569 |
++ sd_iattr->ia_ctime = iattr->ia_ctime; |
9570 |
+ if (ia_valid & ATTR_MODE) { |
9571 |
+ umode_t mode = iattr->ia_mode; |
9572 |
+ |
9573 |
+diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c |
9574 |
+index c34fa7c61b43..4ee65b2b6247 100644 |
9575 |
+--- a/fs/crypto/keyring.c |
9576 |
++++ b/fs/crypto/keyring.c |
9577 |
+@@ -664,9 +664,6 @@ static int check_for_busy_inodes(struct super_block *sb, |
9578 |
+ struct list_head *pos; |
9579 |
+ size_t busy_count = 0; |
9580 |
+ unsigned long ino; |
9581 |
+- struct dentry *dentry; |
9582 |
+- char _path[256]; |
9583 |
+- char *path = NULL; |
9584 |
+ |
9585 |
+ spin_lock(&mk->mk_decrypted_inodes_lock); |
9586 |
+ |
9587 |
+@@ -685,22 +682,14 @@ static int check_for_busy_inodes(struct super_block *sb, |
9588 |
+ struct fscrypt_info, |
9589 |
+ ci_master_key_link)->ci_inode; |
9590 |
+ ino = inode->i_ino; |
9591 |
+- dentry = d_find_alias(inode); |
9592 |
+ } |
9593 |
+ spin_unlock(&mk->mk_decrypted_inodes_lock); |
9594 |
+ |
9595 |
+- if (dentry) { |
9596 |
+- path = dentry_path(dentry, _path, sizeof(_path)); |
9597 |
+- dput(dentry); |
9598 |
+- } |
9599 |
+- if (IS_ERR_OR_NULL(path)) |
9600 |
+- path = "(unknown)"; |
9601 |
+- |
9602 |
+ fscrypt_warn(NULL, |
9603 |
+- "%s: %zu inode(s) still busy after removing key with %s %*phN, including ino %lu (%s)", |
9604 |
++ "%s: %zu inode(s) still busy after removing key with %s %*phN, including ino %lu", |
9605 |
+ sb->s_id, busy_count, master_key_spec_type(&mk->mk_spec), |
9606 |
+ master_key_spec_len(&mk->mk_spec), (u8 *)&mk->mk_spec.u, |
9607 |
+- ino, path); |
9608 |
++ ino); |
9609 |
+ return -EBUSY; |
9610 |
+ } |
9611 |
+ |
9612 |
+diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c |
9613 |
+index 19f89f9fb10c..23b74b8e8f96 100644 |
9614 |
+--- a/fs/erofs/decompressor.c |
9615 |
++++ b/fs/erofs/decompressor.c |
9616 |
+@@ -306,24 +306,22 @@ static int z_erofs_shifted_transform(const struct z_erofs_decompress_req *rq, |
9617 |
+ } |
9618 |
+ |
9619 |
+ src = kmap_atomic(*rq->in); |
9620 |
+- if (!rq->out[0]) { |
9621 |
+- dst = NULL; |
9622 |
+- } else { |
9623 |
++ if (rq->out[0]) { |
9624 |
+ dst = kmap_atomic(rq->out[0]); |
9625 |
+ memcpy(dst + rq->pageofs_out, src, righthalf); |
9626 |
++ kunmap_atomic(dst); |
9627 |
+ } |
9628 |
+ |
9629 |
+- if (rq->out[1] == *rq->in) { |
9630 |
+- memmove(src, src + righthalf, rq->pageofs_out); |
9631 |
+- } else if (nrpages_out == 2) { |
9632 |
+- if (dst) |
9633 |
+- kunmap_atomic(dst); |
9634 |
++ if (nrpages_out == 2) { |
9635 |
+ DBG_BUGON(!rq->out[1]); |
9636 |
+- dst = kmap_atomic(rq->out[1]); |
9637 |
+- memcpy(dst, src + righthalf, rq->pageofs_out); |
9638 |
++ if (rq->out[1] == *rq->in) { |
9639 |
++ memmove(src, src + righthalf, rq->pageofs_out); |
9640 |
++ } else { |
9641 |
++ dst = kmap_atomic(rq->out[1]); |
9642 |
++ memcpy(dst, src + righthalf, rq->pageofs_out); |
9643 |
++ kunmap_atomic(dst); |
9644 |
++ } |
9645 |
+ } |
9646 |
+- if (dst) |
9647 |
+- kunmap_atomic(dst); |
9648 |
+ kunmap_atomic(src); |
9649 |
+ return 0; |
9650 |
+ } |
9651 |
+diff --git a/fs/eventfd.c b/fs/eventfd.c |
9652 |
+index 8aa0ea8c55e8..78e41c7c3d05 100644 |
9653 |
+--- a/fs/eventfd.c |
9654 |
++++ b/fs/eventfd.c |
9655 |
+@@ -24,6 +24,8 @@ |
9656 |
+ #include <linux/seq_file.h> |
9657 |
+ #include <linux/idr.h> |
9658 |
+ |
9659 |
++DEFINE_PER_CPU(int, eventfd_wake_count); |
9660 |
++ |
9661 |
+ static DEFINE_IDA(eventfd_ida); |
9662 |
+ |
9663 |
+ struct eventfd_ctx { |
9664 |
+@@ -60,12 +62,25 @@ __u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n) |
9665 |
+ { |
9666 |
+ unsigned long flags; |
9667 |
+ |
9668 |
++ /* |
9669 |
++ * Deadlock or stack overflow issues can happen if we recurse here |
9670 |
++ * through waitqueue wakeup handlers. If the caller users potentially |
9671 |
++ * nested waitqueues with custom wakeup handlers, then it should |
9672 |
++ * check eventfd_signal_count() before calling this function. If |
9673 |
++ * it returns true, the eventfd_signal() call should be deferred to a |
9674 |
++ * safe context. |
9675 |
++ */ |
9676 |
++ if (WARN_ON_ONCE(this_cpu_read(eventfd_wake_count))) |
9677 |
++ return 0; |
9678 |
++ |
9679 |
+ spin_lock_irqsave(&ctx->wqh.lock, flags); |
9680 |
++ this_cpu_inc(eventfd_wake_count); |
9681 |
+ if (ULLONG_MAX - ctx->count < n) |
9682 |
+ n = ULLONG_MAX - ctx->count; |
9683 |
+ ctx->count += n; |
9684 |
+ if (waitqueue_active(&ctx->wqh)) |
9685 |
+ wake_up_locked_poll(&ctx->wqh, EPOLLIN); |
9686 |
++ this_cpu_dec(eventfd_wake_count); |
9687 |
+ spin_unlock_irqrestore(&ctx->wqh.lock, flags); |
9688 |
+ |
9689 |
+ return n; |
9690 |
+diff --git a/fs/ext2/super.c b/fs/ext2/super.c |
9691 |
+index 30c630d73f0f..065cd2d1bdc6 100644 |
9692 |
+--- a/fs/ext2/super.c |
9693 |
++++ b/fs/ext2/super.c |
9694 |
+@@ -1082,9 +1082,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) |
9695 |
+ |
9696 |
+ if (EXT2_BLOCKS_PER_GROUP(sb) == 0) |
9697 |
+ goto cantfind_ext2; |
9698 |
+- sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) - |
9699 |
+- le32_to_cpu(es->s_first_data_block) - 1) |
9700 |
+- / EXT2_BLOCKS_PER_GROUP(sb)) + 1; |
9701 |
++ sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) - |
9702 |
++ le32_to_cpu(es->s_first_data_block) - 1) |
9703 |
++ / EXT2_BLOCKS_PER_GROUP(sb)) + 1; |
9704 |
+ db_count = (sbi->s_groups_count + EXT2_DESC_PER_BLOCK(sb) - 1) / |
9705 |
+ EXT2_DESC_PER_BLOCK(sb); |
9706 |
+ sbi->s_group_desc = kmalloc_array (db_count, |
9707 |
+diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c |
9708 |
+index 6305d5ec25af..5ef8d7ae231b 100644 |
9709 |
+--- a/fs/ext4/dir.c |
9710 |
++++ b/fs/ext4/dir.c |
9711 |
+@@ -673,9 +673,11 @@ static int ext4_d_compare(const struct dentry *dentry, unsigned int len, |
9712 |
+ const char *str, const struct qstr *name) |
9713 |
+ { |
9714 |
+ struct qstr qstr = {.name = str, .len = len }; |
9715 |
+- struct inode *inode = dentry->d_parent->d_inode; |
9716 |
++ const struct dentry *parent = READ_ONCE(dentry->d_parent); |
9717 |
++ const struct inode *inode = READ_ONCE(parent->d_inode); |
9718 |
+ |
9719 |
+- if (!IS_CASEFOLDED(inode) || !EXT4_SB(inode->i_sb)->s_encoding) { |
9720 |
++ if (!inode || !IS_CASEFOLDED(inode) || |
9721 |
++ !EXT4_SB(inode->i_sb)->s_encoding) { |
9722 |
+ if (len != name->len) |
9723 |
+ return -1; |
9724 |
+ return memcmp(str, name->name, len); |
9725 |
+@@ -688,10 +690,11 @@ static int ext4_d_hash(const struct dentry *dentry, struct qstr *str) |
9726 |
+ { |
9727 |
+ const struct ext4_sb_info *sbi = EXT4_SB(dentry->d_sb); |
9728 |
+ const struct unicode_map *um = sbi->s_encoding; |
9729 |
++ const struct inode *inode = READ_ONCE(dentry->d_inode); |
9730 |
+ unsigned char *norm; |
9731 |
+ int len, ret = 0; |
9732 |
+ |
9733 |
+- if (!IS_CASEFOLDED(dentry->d_inode) || !um) |
9734 |
++ if (!inode || !IS_CASEFOLDED(inode) || !um) |
9735 |
+ return 0; |
9736 |
+ |
9737 |
+ norm = kmalloc(PATH_MAX, GFP_ATOMIC); |
9738 |
+diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c |
9739 |
+index 12ceadef32c5..2cc9f2168b9e 100644 |
9740 |
+--- a/fs/ext4/page-io.c |
9741 |
++++ b/fs/ext4/page-io.c |
9742 |
+@@ -478,17 +478,26 @@ int ext4_bio_write_page(struct ext4_io_submit *io, |
9743 |
+ gfp_t gfp_flags = GFP_NOFS; |
9744 |
+ unsigned int enc_bytes = round_up(len, i_blocksize(inode)); |
9745 |
+ |
9746 |
++ /* |
9747 |
++ * Since bounce page allocation uses a mempool, we can only use |
9748 |
++ * a waiting mask (i.e. request guaranteed allocation) on the |
9749 |
++ * first page of the bio. Otherwise it can deadlock. |
9750 |
++ */ |
9751 |
++ if (io->io_bio) |
9752 |
++ gfp_flags = GFP_NOWAIT | __GFP_NOWARN; |
9753 |
+ retry_encrypt: |
9754 |
+ bounce_page = fscrypt_encrypt_pagecache_blocks(page, enc_bytes, |
9755 |
+ 0, gfp_flags); |
9756 |
+ if (IS_ERR(bounce_page)) { |
9757 |
+ ret = PTR_ERR(bounce_page); |
9758 |
+- if (ret == -ENOMEM && wbc->sync_mode == WB_SYNC_ALL) { |
9759 |
+- if (io->io_bio) { |
9760 |
++ if (ret == -ENOMEM && |
9761 |
++ (io->io_bio || wbc->sync_mode == WB_SYNC_ALL)) { |
9762 |
++ gfp_flags = GFP_NOFS; |
9763 |
++ if (io->io_bio) |
9764 |
+ ext4_io_submit(io); |
9765 |
+- congestion_wait(BLK_RW_ASYNC, HZ/50); |
9766 |
+- } |
9767 |
+- gfp_flags |= __GFP_NOFAIL; |
9768 |
++ else |
9769 |
++ gfp_flags |= __GFP_NOFAIL; |
9770 |
++ congestion_wait(BLK_RW_ASYNC, HZ/50); |
9771 |
+ goto retry_encrypt; |
9772 |
+ } |
9773 |
+ bounce_page = NULL; |
9774 |
+diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c |
9775 |
+index 4033778bcbbf..84280ad3786c 100644 |
9776 |
+--- a/fs/f2fs/dir.c |
9777 |
++++ b/fs/f2fs/dir.c |
9778 |
+@@ -1068,24 +1068,27 @@ static int f2fs_d_compare(const struct dentry *dentry, unsigned int len, |
9779 |
+ const char *str, const struct qstr *name) |
9780 |
+ { |
9781 |
+ struct qstr qstr = {.name = str, .len = len }; |
9782 |
++ const struct dentry *parent = READ_ONCE(dentry->d_parent); |
9783 |
++ const struct inode *inode = READ_ONCE(parent->d_inode); |
9784 |
+ |
9785 |
+- if (!IS_CASEFOLDED(dentry->d_parent->d_inode)) { |
9786 |
++ if (!inode || !IS_CASEFOLDED(inode)) { |
9787 |
+ if (len != name->len) |
9788 |
+ return -1; |
9789 |
+- return memcmp(str, name, len); |
9790 |
++ return memcmp(str, name->name, len); |
9791 |
+ } |
9792 |
+ |
9793 |
+- return f2fs_ci_compare(dentry->d_parent->d_inode, name, &qstr, false); |
9794 |
++ return f2fs_ci_compare(inode, name, &qstr, false); |
9795 |
+ } |
9796 |
+ |
9797 |
+ static int f2fs_d_hash(const struct dentry *dentry, struct qstr *str) |
9798 |
+ { |
9799 |
+ struct f2fs_sb_info *sbi = F2FS_SB(dentry->d_sb); |
9800 |
+ const struct unicode_map *um = sbi->s_encoding; |
9801 |
++ const struct inode *inode = READ_ONCE(dentry->d_inode); |
9802 |
+ unsigned char *norm; |
9803 |
+ int len, ret = 0; |
9804 |
+ |
9805 |
+- if (!IS_CASEFOLDED(dentry->d_inode)) |
9806 |
++ if (!inode || !IS_CASEFOLDED(inode)) |
9807 |
+ return 0; |
9808 |
+ |
9809 |
+ norm = f2fs_kmalloc(sbi, PATH_MAX, GFP_ATOMIC); |
9810 |
+diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c |
9811 |
+index fae665691481..72f308790a8e 100644 |
9812 |
+--- a/fs/f2fs/file.c |
9813 |
++++ b/fs/f2fs/file.c |
9814 |
+@@ -751,18 +751,12 @@ static void __setattr_copy(struct inode *inode, const struct iattr *attr) |
9815 |
+ inode->i_uid = attr->ia_uid; |
9816 |
+ if (ia_valid & ATTR_GID) |
9817 |
+ inode->i_gid = attr->ia_gid; |
9818 |
+- if (ia_valid & ATTR_ATIME) { |
9819 |
+- inode->i_atime = timestamp_truncate(attr->ia_atime, |
9820 |
+- inode); |
9821 |
+- } |
9822 |
+- if (ia_valid & ATTR_MTIME) { |
9823 |
+- inode->i_mtime = timestamp_truncate(attr->ia_mtime, |
9824 |
+- inode); |
9825 |
+- } |
9826 |
+- if (ia_valid & ATTR_CTIME) { |
9827 |
+- inode->i_ctime = timestamp_truncate(attr->ia_ctime, |
9828 |
+- inode); |
9829 |
+- } |
9830 |
++ if (ia_valid & ATTR_ATIME) |
9831 |
++ inode->i_atime = attr->ia_atime; |
9832 |
++ if (ia_valid & ATTR_MTIME) |
9833 |
++ inode->i_mtime = attr->ia_mtime; |
9834 |
++ if (ia_valid & ATTR_CTIME) |
9835 |
++ inode->i_ctime = attr->ia_ctime; |
9836 |
+ if (ia_valid & ATTR_MODE) { |
9837 |
+ umode_t mode = attr->ia_mode; |
9838 |
+ |
9839 |
+diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c |
9840 |
+index 1443cee15863..ea8dbf1458c9 100644 |
9841 |
+--- a/fs/f2fs/super.c |
9842 |
++++ b/fs/f2fs/super.c |
9843 |
+@@ -1213,9 +1213,11 @@ static int f2fs_statfs_project(struct super_block *sb, |
9844 |
+ return PTR_ERR(dquot); |
9845 |
+ spin_lock(&dquot->dq_dqb_lock); |
9846 |
+ |
9847 |
+- limit = (dquot->dq_dqb.dqb_bsoftlimit ? |
9848 |
+- dquot->dq_dqb.dqb_bsoftlimit : |
9849 |
+- dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits; |
9850 |
++ limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
9851 |
++ dquot->dq_dqb.dqb_bhardlimit); |
9852 |
++ if (limit) |
9853 |
++ limit >>= sb->s_blocksize_bits; |
9854 |
++ |
9855 |
+ if (limit && buf->f_blocks > limit) { |
9856 |
+ curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits; |
9857 |
+ buf->f_blocks = limit; |
9858 |
+@@ -1224,9 +1226,9 @@ static int f2fs_statfs_project(struct super_block *sb, |
9859 |
+ (buf->f_blocks - curblock) : 0; |
9860 |
+ } |
9861 |
+ |
9862 |
+- limit = dquot->dq_dqb.dqb_isoftlimit ? |
9863 |
+- dquot->dq_dqb.dqb_isoftlimit : |
9864 |
+- dquot->dq_dqb.dqb_ihardlimit; |
9865 |
++ limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
9866 |
++ dquot->dq_dqb.dqb_ihardlimit); |
9867 |
++ |
9868 |
+ if (limit && buf->f_files > limit) { |
9869 |
+ buf->f_files = limit; |
9870 |
+ buf->f_ffree = |
9871 |
+diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c |
9872 |
+index 335607b8c5c0..76ac9c7d32ec 100644 |
9873 |
+--- a/fs/fs-writeback.c |
9874 |
++++ b/fs/fs-writeback.c |
9875 |
+@@ -2063,7 +2063,7 @@ void wb_workfn(struct work_struct *work) |
9876 |
+ struct bdi_writeback, dwork); |
9877 |
+ long pages_written; |
9878 |
+ |
9879 |
+- set_worker_desc("flush-%s", dev_name(wb->bdi->dev)); |
9880 |
++ set_worker_desc("flush-%s", bdi_dev_name(wb->bdi)); |
9881 |
+ current->flags |= PF_SWAPWRITE; |
9882 |
+ |
9883 |
+ if (likely(!current_is_workqueue_rescuer() || |
9884 |
+diff --git a/fs/fuse/file.c b/fs/fuse/file.c |
9885 |
+index ce715380143c..695369f46f92 100644 |
9886 |
+--- a/fs/fuse/file.c |
9887 |
++++ b/fs/fuse/file.c |
9888 |
+@@ -1465,6 +1465,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, |
9889 |
+ } |
9890 |
+ ia = NULL; |
9891 |
+ if (nres < 0) { |
9892 |
++ iov_iter_revert(iter, nbytes); |
9893 |
+ err = nres; |
9894 |
+ break; |
9895 |
+ } |
9896 |
+@@ -1473,8 +1474,10 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, |
9897 |
+ count -= nres; |
9898 |
+ res += nres; |
9899 |
+ pos += nres; |
9900 |
+- if (nres != nbytes) |
9901 |
++ if (nres != nbytes) { |
9902 |
++ iov_iter_revert(iter, nbytes - nres); |
9903 |
+ break; |
9904 |
++ } |
9905 |
+ if (count) { |
9906 |
+ max_pages = iov_iter_npages(iter, fc->max_pages); |
9907 |
+ ia = fuse_io_alloc(io, max_pages); |
9908 |
+diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c |
9909 |
+index 01ff37b76652..4a10b4e7092a 100644 |
9910 |
+--- a/fs/gfs2/file.c |
9911 |
++++ b/fs/gfs2/file.c |
9912 |
+@@ -833,7 +833,7 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from) |
9913 |
+ struct file *file = iocb->ki_filp; |
9914 |
+ struct inode *inode = file_inode(file); |
9915 |
+ struct gfs2_inode *ip = GFS2_I(inode); |
9916 |
+- ssize_t written = 0, ret; |
9917 |
++ ssize_t ret; |
9918 |
+ |
9919 |
+ ret = gfs2_rsqa_alloc(ip); |
9920 |
+ if (ret) |
9921 |
+@@ -853,68 +853,58 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from) |
9922 |
+ inode_lock(inode); |
9923 |
+ ret = generic_write_checks(iocb, from); |
9924 |
+ if (ret <= 0) |
9925 |
+- goto out; |
9926 |
+- |
9927 |
+- /* We can write back this queue in page reclaim */ |
9928 |
+- current->backing_dev_info = inode_to_bdi(inode); |
9929 |
++ goto out_unlock; |
9930 |
+ |
9931 |
+ ret = file_remove_privs(file); |
9932 |
+ if (ret) |
9933 |
+- goto out2; |
9934 |
++ goto out_unlock; |
9935 |
+ |
9936 |
+ ret = file_update_time(file); |
9937 |
+ if (ret) |
9938 |
+- goto out2; |
9939 |
++ goto out_unlock; |
9940 |
+ |
9941 |
+ if (iocb->ki_flags & IOCB_DIRECT) { |
9942 |
+ struct address_space *mapping = file->f_mapping; |
9943 |
+- loff_t pos, endbyte; |
9944 |
+- ssize_t buffered; |
9945 |
++ ssize_t buffered, ret2; |
9946 |
+ |
9947 |
+- written = gfs2_file_direct_write(iocb, from); |
9948 |
+- if (written < 0 || !iov_iter_count(from)) |
9949 |
+- goto out2; |
9950 |
++ ret = gfs2_file_direct_write(iocb, from); |
9951 |
++ if (ret < 0 || !iov_iter_count(from)) |
9952 |
++ goto out_unlock; |
9953 |
+ |
9954 |
+- ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops); |
9955 |
+- if (unlikely(ret < 0)) |
9956 |
+- goto out2; |
9957 |
+- buffered = ret; |
9958 |
++ iocb->ki_flags |= IOCB_DSYNC; |
9959 |
++ current->backing_dev_info = inode_to_bdi(inode); |
9960 |
++ buffered = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops); |
9961 |
++ current->backing_dev_info = NULL; |
9962 |
++ if (unlikely(buffered <= 0)) |
9963 |
++ goto out_unlock; |
9964 |
+ |
9965 |
+ /* |
9966 |
+ * We need to ensure that the page cache pages are written to |
9967 |
+ * disk and invalidated to preserve the expected O_DIRECT |
9968 |
+- * semantics. |
9969 |
++ * semantics. If the writeback or invalidate fails, only report |
9970 |
++ * the direct I/O range as we don't know if the buffered pages |
9971 |
++ * made it to disk. |
9972 |
+ */ |
9973 |
+- pos = iocb->ki_pos; |
9974 |
+- endbyte = pos + buffered - 1; |
9975 |
+- ret = filemap_write_and_wait_range(mapping, pos, endbyte); |
9976 |
+- if (!ret) { |
9977 |
+- iocb->ki_pos += buffered; |
9978 |
+- written += buffered; |
9979 |
+- invalidate_mapping_pages(mapping, |
9980 |
+- pos >> PAGE_SHIFT, |
9981 |
+- endbyte >> PAGE_SHIFT); |
9982 |
+- } else { |
9983 |
+- /* |
9984 |
+- * We don't know how much we wrote, so just return |
9985 |
+- * the number of bytes which were direct-written |
9986 |
+- */ |
9987 |
+- } |
9988 |
++ iocb->ki_pos += buffered; |
9989 |
++ ret2 = generic_write_sync(iocb, buffered); |
9990 |
++ invalidate_mapping_pages(mapping, |
9991 |
++ (iocb->ki_pos - buffered) >> PAGE_SHIFT, |
9992 |
++ (iocb->ki_pos - 1) >> PAGE_SHIFT); |
9993 |
++ if (!ret || ret2 > 0) |
9994 |
++ ret += ret2; |
9995 |
+ } else { |
9996 |
++ current->backing_dev_info = inode_to_bdi(inode); |
9997 |
+ ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops); |
9998 |
+- if (likely(ret > 0)) |
9999 |
++ current->backing_dev_info = NULL; |
10000 |
++ if (likely(ret > 0)) { |
10001 |
+ iocb->ki_pos += ret; |
10002 |
++ ret = generic_write_sync(iocb, ret); |
10003 |
++ } |
10004 |
+ } |
10005 |
+ |
10006 |
+-out2: |
10007 |
+- current->backing_dev_info = NULL; |
10008 |
+-out: |
10009 |
++out_unlock: |
10010 |
+ inode_unlock(inode); |
10011 |
+- if (likely(ret > 0)) { |
10012 |
+- /* Handle various SYNC-type writes */ |
10013 |
+- ret = generic_write_sync(iocb, ret); |
10014 |
+- } |
10015 |
+- return written ? written : ret; |
10016 |
++ return ret; |
10017 |
+ } |
10018 |
+ |
10019 |
+ static int fallocate_chunk(struct inode *inode, loff_t offset, loff_t len, |
10020 |
+diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c |
10021 |
+index e7b9d39955d4..7ca84be20cf6 100644 |
10022 |
+--- a/fs/gfs2/lops.c |
10023 |
++++ b/fs/gfs2/lops.c |
10024 |
+@@ -421,7 +421,7 @@ static bool gfs2_jhead_pg_srch(struct gfs2_jdesc *jd, |
10025 |
+ |
10026 |
+ for (offset = 0; offset < PAGE_SIZE; offset += sdp->sd_sb.sb_bsize) { |
10027 |
+ if (!__get_log_header(sdp, kaddr + offset, 0, &lh)) { |
10028 |
+- if (lh.lh_sequence > head->lh_sequence) |
10029 |
++ if (lh.lh_sequence >= head->lh_sequence) |
10030 |
+ *head = lh; |
10031 |
+ else { |
10032 |
+ ret = true; |
10033 |
+diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c |
10034 |
+index 1c58859aa592..ef485f892d1b 100644 |
10035 |
+--- a/fs/jbd2/journal.c |
10036 |
++++ b/fs/jbd2/journal.c |
10037 |
+@@ -981,6 +981,7 @@ static void *jbd2_seq_info_start(struct seq_file *seq, loff_t *pos) |
10038 |
+ |
10039 |
+ static void *jbd2_seq_info_next(struct seq_file *seq, void *v, loff_t *pos) |
10040 |
+ { |
10041 |
++ (*pos)++; |
10042 |
+ return NULL; |
10043 |
+ } |
10044 |
+ |
10045 |
+diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c |
10046 |
+index e180033e35cf..05ed7be8a634 100644 |
10047 |
+--- a/fs/nfs/dir.c |
10048 |
++++ b/fs/nfs/dir.c |
10049 |
+@@ -162,6 +162,17 @@ typedef struct { |
10050 |
+ bool eof; |
10051 |
+ } nfs_readdir_descriptor_t; |
10052 |
+ |
10053 |
++static |
10054 |
++void nfs_readdir_init_array(struct page *page) |
10055 |
++{ |
10056 |
++ struct nfs_cache_array *array; |
10057 |
++ |
10058 |
++ array = kmap_atomic(page); |
10059 |
++ memset(array, 0, sizeof(struct nfs_cache_array)); |
10060 |
++ array->eof_index = -1; |
10061 |
++ kunmap_atomic(array); |
10062 |
++} |
10063 |
++ |
10064 |
+ /* |
10065 |
+ * we are freeing strings created by nfs_add_to_readdir_array() |
10066 |
+ */ |
10067 |
+@@ -174,6 +185,7 @@ void nfs_readdir_clear_array(struct page *page) |
10068 |
+ array = kmap_atomic(page); |
10069 |
+ for (i = 0; i < array->size; i++) |
10070 |
+ kfree(array->array[i].string.name); |
10071 |
++ array->size = 0; |
10072 |
+ kunmap_atomic(array); |
10073 |
+ } |
10074 |
+ |
10075 |
+@@ -610,6 +622,8 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, |
10076 |
+ int status = -ENOMEM; |
10077 |
+ unsigned int array_size = ARRAY_SIZE(pages); |
10078 |
+ |
10079 |
++ nfs_readdir_init_array(page); |
10080 |
++ |
10081 |
+ entry.prev_cookie = 0; |
10082 |
+ entry.cookie = desc->last_cookie; |
10083 |
+ entry.eof = 0; |
10084 |
+@@ -626,8 +640,6 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, |
10085 |
+ } |
10086 |
+ |
10087 |
+ array = kmap(page); |
10088 |
+- memset(array, 0, sizeof(struct nfs_cache_array)); |
10089 |
+- array->eof_index = -1; |
10090 |
+ |
10091 |
+ status = nfs_readdir_alloc_pages(pages, array_size); |
10092 |
+ if (status < 0) |
10093 |
+@@ -682,6 +694,7 @@ int nfs_readdir_filler(void *data, struct page* page) |
10094 |
+ unlock_page(page); |
10095 |
+ return 0; |
10096 |
+ error: |
10097 |
++ nfs_readdir_clear_array(page); |
10098 |
+ unlock_page(page); |
10099 |
+ return ret; |
10100 |
+ } |
10101 |
+@@ -689,8 +702,6 @@ int nfs_readdir_filler(void *data, struct page* page) |
10102 |
+ static |
10103 |
+ void cache_page_release(nfs_readdir_descriptor_t *desc) |
10104 |
+ { |
10105 |
+- if (!desc->page->mapping) |
10106 |
+- nfs_readdir_clear_array(desc->page); |
10107 |
+ put_page(desc->page); |
10108 |
+ desc->page = NULL; |
10109 |
+ } |
10110 |
+@@ -704,19 +715,28 @@ struct page *get_cache_page(nfs_readdir_descriptor_t *desc) |
10111 |
+ |
10112 |
+ /* |
10113 |
+ * Returns 0 if desc->dir_cookie was found on page desc->page_index |
10114 |
++ * and locks the page to prevent removal from the page cache. |
10115 |
+ */ |
10116 |
+ static |
10117 |
+-int find_cache_page(nfs_readdir_descriptor_t *desc) |
10118 |
++int find_and_lock_cache_page(nfs_readdir_descriptor_t *desc) |
10119 |
+ { |
10120 |
+ int res; |
10121 |
+ |
10122 |
+ desc->page = get_cache_page(desc); |
10123 |
+ if (IS_ERR(desc->page)) |
10124 |
+ return PTR_ERR(desc->page); |
10125 |
+- |
10126 |
+- res = nfs_readdir_search_array(desc); |
10127 |
++ res = lock_page_killable(desc->page); |
10128 |
+ if (res != 0) |
10129 |
+- cache_page_release(desc); |
10130 |
++ goto error; |
10131 |
++ res = -EAGAIN; |
10132 |
++ if (desc->page->mapping != NULL) { |
10133 |
++ res = nfs_readdir_search_array(desc); |
10134 |
++ if (res == 0) |
10135 |
++ return 0; |
10136 |
++ } |
10137 |
++ unlock_page(desc->page); |
10138 |
++error: |
10139 |
++ cache_page_release(desc); |
10140 |
+ return res; |
10141 |
+ } |
10142 |
+ |
10143 |
+@@ -731,7 +751,7 @@ int readdir_search_pagecache(nfs_readdir_descriptor_t *desc) |
10144 |
+ desc->last_cookie = 0; |
10145 |
+ } |
10146 |
+ do { |
10147 |
+- res = find_cache_page(desc); |
10148 |
++ res = find_and_lock_cache_page(desc); |
10149 |
+ } while (res == -EAGAIN); |
10150 |
+ return res; |
10151 |
+ } |
10152 |
+@@ -770,7 +790,6 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc) |
10153 |
+ desc->eof = true; |
10154 |
+ |
10155 |
+ kunmap(desc->page); |
10156 |
+- cache_page_release(desc); |
10157 |
+ dfprintk(DIRCACHE, "NFS: nfs_do_filldir() filling ended @ cookie %Lu; returning = %d\n", |
10158 |
+ (unsigned long long)*desc->dir_cookie, res); |
10159 |
+ return res; |
10160 |
+@@ -816,13 +835,13 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc) |
10161 |
+ |
10162 |
+ status = nfs_do_filldir(desc); |
10163 |
+ |
10164 |
++ out_release: |
10165 |
++ nfs_readdir_clear_array(desc->page); |
10166 |
++ cache_page_release(desc); |
10167 |
+ out: |
10168 |
+ dfprintk(DIRCACHE, "NFS: %s: returns %d\n", |
10169 |
+ __func__, status); |
10170 |
+ return status; |
10171 |
+- out_release: |
10172 |
+- cache_page_release(desc); |
10173 |
+- goto out; |
10174 |
+ } |
10175 |
+ |
10176 |
+ /* The file offset position represents the dirent entry number. A |
10177 |
+@@ -887,6 +906,8 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx) |
10178 |
+ break; |
10179 |
+ |
10180 |
+ res = nfs_do_filldir(desc); |
10181 |
++ unlock_page(desc->page); |
10182 |
++ cache_page_release(desc); |
10183 |
+ if (res < 0) |
10184 |
+ break; |
10185 |
+ } while (!desc->eof); |
10186 |
+diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c |
10187 |
+index ef55e9b1cd4e..3007b8945d38 100644 |
10188 |
+--- a/fs/nfsd/filecache.c |
10189 |
++++ b/fs/nfsd/filecache.c |
10190 |
+@@ -791,6 +791,7 @@ nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, |
10191 |
+ struct nfsd_file *nf, *new; |
10192 |
+ struct inode *inode; |
10193 |
+ unsigned int hashval; |
10194 |
++ bool retry = true; |
10195 |
+ |
10196 |
+ /* FIXME: skip this if fh_dentry is already set? */ |
10197 |
+ status = fh_verify(rqstp, fhp, S_IFREG, |
10198 |
+@@ -826,6 +827,11 @@ wait_for_construction: |
10199 |
+ |
10200 |
+ /* Did construction of this file fail? */ |
10201 |
+ if (!test_bit(NFSD_FILE_HASHED, &nf->nf_flags)) { |
10202 |
++ if (!retry) { |
10203 |
++ status = nfserr_jukebox; |
10204 |
++ goto out; |
10205 |
++ } |
10206 |
++ retry = false; |
10207 |
+ nfsd_file_put_noref(nf); |
10208 |
+ goto retry; |
10209 |
+ } |
10210 |
+diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c |
10211 |
+index 2681c70283ce..e12409eca7cc 100644 |
10212 |
+--- a/fs/nfsd/nfs4layouts.c |
10213 |
++++ b/fs/nfsd/nfs4layouts.c |
10214 |
+@@ -675,7 +675,7 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task) |
10215 |
+ |
10216 |
+ /* Client gets 2 lease periods to return it */ |
10217 |
+ cutoff = ktime_add_ns(task->tk_start, |
10218 |
+- nn->nfsd4_lease * NSEC_PER_SEC * 2); |
10219 |
++ (u64)nn->nfsd4_lease * NSEC_PER_SEC * 2); |
10220 |
+ |
10221 |
+ if (ktime_before(now, cutoff)) { |
10222 |
+ rpc_delay(task, HZ/100); /* 10 mili-seconds */ |
10223 |
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c |
10224 |
+index 08f6eb2b73f8..1c82d7dd54df 100644 |
10225 |
+--- a/fs/nfsd/nfs4state.c |
10226 |
++++ b/fs/nfsd/nfs4state.c |
10227 |
+@@ -6550,7 +6550,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
10228 |
+ } |
10229 |
+ |
10230 |
+ if (fl_flags & FL_SLEEP) { |
10231 |
+- nbl->nbl_time = jiffies; |
10232 |
++ nbl->nbl_time = get_seconds(); |
10233 |
+ spin_lock(&nn->blocked_locks_lock); |
10234 |
+ list_add_tail(&nbl->nbl_list, &lock_sop->lo_blocked); |
10235 |
+ list_add_tail(&nbl->nbl_lru, &nn->blocked_locks_lru); |
10236 |
+diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h |
10237 |
+index 46f56afb6cb8..a080789b4d13 100644 |
10238 |
+--- a/fs/nfsd/state.h |
10239 |
++++ b/fs/nfsd/state.h |
10240 |
+@@ -605,7 +605,7 @@ static inline bool nfsd4_stateid_generation_after(stateid_t *a, stateid_t *b) |
10241 |
+ struct nfsd4_blocked_lock { |
10242 |
+ struct list_head nbl_list; |
10243 |
+ struct list_head nbl_lru; |
10244 |
+- unsigned long nbl_time; |
10245 |
++ time_t nbl_time; |
10246 |
+ struct file_lock nbl_lock; |
10247 |
+ struct knfsd_fh nbl_fh; |
10248 |
+ struct nfsd4_callback nbl_cb; |
10249 |
+diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c |
10250 |
+index cf423fea0c6f..fc38b9fe4549 100644 |
10251 |
+--- a/fs/nfsd/vfs.c |
10252 |
++++ b/fs/nfsd/vfs.c |
10253 |
+@@ -975,6 +975,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, |
10254 |
+ host_err = vfs_iter_write(file, &iter, &pos, flags); |
10255 |
+ if (host_err < 0) |
10256 |
+ goto out_nfserr; |
10257 |
++ *cnt = host_err; |
10258 |
+ nfsdstats.io_write += *cnt; |
10259 |
+ fsnotify_modify(file); |
10260 |
+ |
10261 |
+diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c |
10262 |
+index 6c7388430ad3..d4359a1df3d5 100644 |
10263 |
+--- a/fs/ntfs/inode.c |
10264 |
++++ b/fs/ntfs/inode.c |
10265 |
+@@ -2899,18 +2899,12 @@ int ntfs_setattr(struct dentry *dentry, struct iattr *attr) |
10266 |
+ ia_valid |= ATTR_MTIME | ATTR_CTIME; |
10267 |
+ } |
10268 |
+ } |
10269 |
+- if (ia_valid & ATTR_ATIME) { |
10270 |
+- vi->i_atime = timestamp_truncate(attr->ia_atime, |
10271 |
+- vi); |
10272 |
+- } |
10273 |
+- if (ia_valid & ATTR_MTIME) { |
10274 |
+- vi->i_mtime = timestamp_truncate(attr->ia_mtime, |
10275 |
+- vi); |
10276 |
+- } |
10277 |
+- if (ia_valid & ATTR_CTIME) { |
10278 |
+- vi->i_ctime = timestamp_truncate(attr->ia_ctime, |
10279 |
+- vi); |
10280 |
+- } |
10281 |
++ if (ia_valid & ATTR_ATIME) |
10282 |
++ vi->i_atime = attr->ia_atime; |
10283 |
++ if (ia_valid & ATTR_MTIME) |
10284 |
++ vi->i_mtime = attr->ia_mtime; |
10285 |
++ if (ia_valid & ATTR_CTIME) |
10286 |
++ vi->i_ctime = attr->ia_ctime; |
10287 |
+ mark_inode_dirty(vi); |
10288 |
+ out: |
10289 |
+ return err; |
10290 |
+diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c |
10291 |
+index 9876db52913a..6cd5e4924e4d 100644 |
10292 |
+--- a/fs/ocfs2/file.c |
10293 |
++++ b/fs/ocfs2/file.c |
10294 |
+@@ -2101,17 +2101,15 @@ static int ocfs2_is_io_unaligned(struct inode *inode, size_t count, loff_t pos) |
10295 |
+ static int ocfs2_inode_lock_for_extent_tree(struct inode *inode, |
10296 |
+ struct buffer_head **di_bh, |
10297 |
+ int meta_level, |
10298 |
+- int overwrite_io, |
10299 |
+ int write_sem, |
10300 |
+ int wait) |
10301 |
+ { |
10302 |
+ int ret = 0; |
10303 |
+ |
10304 |
+ if (wait) |
10305 |
+- ret = ocfs2_inode_lock(inode, NULL, meta_level); |
10306 |
++ ret = ocfs2_inode_lock(inode, di_bh, meta_level); |
10307 |
+ else |
10308 |
+- ret = ocfs2_try_inode_lock(inode, |
10309 |
+- overwrite_io ? NULL : di_bh, meta_level); |
10310 |
++ ret = ocfs2_try_inode_lock(inode, di_bh, meta_level); |
10311 |
+ if (ret < 0) |
10312 |
+ goto out; |
10313 |
+ |
10314 |
+@@ -2136,6 +2134,7 @@ static int ocfs2_inode_lock_for_extent_tree(struct inode *inode, |
10315 |
+ |
10316 |
+ out_unlock: |
10317 |
+ brelse(*di_bh); |
10318 |
++ *di_bh = NULL; |
10319 |
+ ocfs2_inode_unlock(inode, meta_level); |
10320 |
+ out: |
10321 |
+ return ret; |
10322 |
+@@ -2177,7 +2176,6 @@ static int ocfs2_prepare_inode_for_write(struct file *file, |
10323 |
+ ret = ocfs2_inode_lock_for_extent_tree(inode, |
10324 |
+ &di_bh, |
10325 |
+ meta_level, |
10326 |
+- overwrite_io, |
10327 |
+ write_sem, |
10328 |
+ wait); |
10329 |
+ if (ret < 0) { |
10330 |
+@@ -2233,13 +2231,13 @@ static int ocfs2_prepare_inode_for_write(struct file *file, |
10331 |
+ &di_bh, |
10332 |
+ meta_level, |
10333 |
+ write_sem); |
10334 |
++ meta_level = 1; |
10335 |
++ write_sem = 1; |
10336 |
+ ret = ocfs2_inode_lock_for_extent_tree(inode, |
10337 |
+ &di_bh, |
10338 |
+ meta_level, |
10339 |
+- overwrite_io, |
10340 |
+- 1, |
10341 |
++ write_sem, |
10342 |
+ wait); |
10343 |
+- write_sem = 1; |
10344 |
+ if (ret < 0) { |
10345 |
+ if (ret != -EAGAIN) |
10346 |
+ mlog_errno(ret); |
10347 |
+diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c |
10348 |
+index e235a635d9ec..15e4fa288475 100644 |
10349 |
+--- a/fs/overlayfs/file.c |
10350 |
++++ b/fs/overlayfs/file.c |
10351 |
+@@ -146,7 +146,7 @@ static loff_t ovl_llseek(struct file *file, loff_t offset, int whence) |
10352 |
+ struct inode *inode = file_inode(file); |
10353 |
+ struct fd real; |
10354 |
+ const struct cred *old_cred; |
10355 |
+- ssize_t ret; |
10356 |
++ loff_t ret; |
10357 |
+ |
10358 |
+ /* |
10359 |
+ * The two special cases below do not need to involve real fs, |
10360 |
+diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c |
10361 |
+index 47a91c9733a5..7255e6a5838f 100644 |
10362 |
+--- a/fs/overlayfs/readdir.c |
10363 |
++++ b/fs/overlayfs/readdir.c |
10364 |
+@@ -504,7 +504,13 @@ get: |
10365 |
+ if (err) |
10366 |
+ goto fail; |
10367 |
+ |
10368 |
+- WARN_ON_ONCE(dir->d_sb->s_dev != stat.dev); |
10369 |
++ /* |
10370 |
++ * Directory inode is always on overlay st_dev. |
10371 |
++ * Non-dir with ovl_same_dev() could be on pseudo st_dev in case |
10372 |
++ * of xino bits overflow. |
10373 |
++ */ |
10374 |
++ WARN_ON_ONCE(S_ISDIR(stat.mode) && |
10375 |
++ dir->d_sb->s_dev != stat.dev); |
10376 |
+ ino = stat.ino; |
10377 |
+ } else if (xinobits && !OVL_TYPE_UPPER(type)) { |
10378 |
+ ino = ovl_remap_lower_ino(ino, xinobits, |
10379 |
+diff --git a/fs/read_write.c b/fs/read_write.c |
10380 |
+index 5bbf587f5bc1..7458fccc59e1 100644 |
10381 |
+--- a/fs/read_write.c |
10382 |
++++ b/fs/read_write.c |
10383 |
+@@ -1777,10 +1777,9 @@ static int remap_verify_area(struct file *file, loff_t pos, loff_t len, |
10384 |
+ * else. Assume that the offsets have already been checked for block |
10385 |
+ * alignment. |
10386 |
+ * |
10387 |
+- * For deduplication we always scale down to the previous block because we |
10388 |
+- * can't meaningfully compare post-EOF contents. |
10389 |
+- * |
10390 |
+- * For clone we only link a partial EOF block above the destination file's EOF. |
10391 |
++ * For clone we only link a partial EOF block above or at the destination file's |
10392 |
++ * EOF. For deduplication we accept a partial EOF block only if it ends at the |
10393 |
++ * destination file's EOF (can not link it into the middle of a file). |
10394 |
+ * |
10395 |
+ * Shorten the request if possible. |
10396 |
+ */ |
10397 |
+@@ -1796,8 +1795,7 @@ static int generic_remap_check_len(struct inode *inode_in, |
10398 |
+ if ((*len & blkmask) == 0) |
10399 |
+ return 0; |
10400 |
+ |
10401 |
+- if ((remap_flags & REMAP_FILE_DEDUP) || |
10402 |
+- pos_out + *len < i_size_read(inode_out)) |
10403 |
++ if (pos_out + *len < i_size_read(inode_out)) |
10404 |
+ new_len &= ~blkmask; |
10405 |
+ |
10406 |
+ if (new_len == *len) |
10407 |
+diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c |
10408 |
+index 0b98e3c8b461..6c0e19f7a21f 100644 |
10409 |
+--- a/fs/ubifs/dir.c |
10410 |
++++ b/fs/ubifs/dir.c |
10411 |
+@@ -228,6 +228,8 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, |
10412 |
+ if (nm.hash) { |
10413 |
+ ubifs_assert(c, fname_len(&nm) == 0); |
10414 |
+ ubifs_assert(c, fname_name(&nm) == NULL); |
10415 |
++ if (nm.hash & ~UBIFS_S_KEY_HASH_MASK) |
10416 |
++ goto done; /* ENOENT */ |
10417 |
+ dent_key_init_hash(c, &key, dir->i_ino, nm.hash); |
10418 |
+ err = ubifs_tnc_lookup_dh(c, &key, dent, nm.minor_hash); |
10419 |
+ } else { |
10420 |
+diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c |
10421 |
+index cd52585c8f4f..a771273fba7e 100644 |
10422 |
+--- a/fs/ubifs/file.c |
10423 |
++++ b/fs/ubifs/file.c |
10424 |
+@@ -786,7 +786,9 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu, |
10425 |
+ |
10426 |
+ if (page_offset > end_index) |
10427 |
+ break; |
10428 |
+- page = find_or_create_page(mapping, page_offset, ra_gfp_mask); |
10429 |
++ page = pagecache_get_page(mapping, page_offset, |
10430 |
++ FGP_LOCK|FGP_ACCESSED|FGP_CREAT|FGP_NOWAIT, |
10431 |
++ ra_gfp_mask); |
10432 |
+ if (!page) |
10433 |
+ break; |
10434 |
+ if (!PageUptodate(page)) |
10435 |
+@@ -1078,18 +1080,12 @@ static void do_attr_changes(struct inode *inode, const struct iattr *attr) |
10436 |
+ inode->i_uid = attr->ia_uid; |
10437 |
+ if (attr->ia_valid & ATTR_GID) |
10438 |
+ inode->i_gid = attr->ia_gid; |
10439 |
+- if (attr->ia_valid & ATTR_ATIME) { |
10440 |
+- inode->i_atime = timestamp_truncate(attr->ia_atime, |
10441 |
+- inode); |
10442 |
+- } |
10443 |
+- if (attr->ia_valid & ATTR_MTIME) { |
10444 |
+- inode->i_mtime = timestamp_truncate(attr->ia_mtime, |
10445 |
+- inode); |
10446 |
+- } |
10447 |
+- if (attr->ia_valid & ATTR_CTIME) { |
10448 |
+- inode->i_ctime = timestamp_truncate(attr->ia_ctime, |
10449 |
+- inode); |
10450 |
+- } |
10451 |
++ if (attr->ia_valid & ATTR_ATIME) |
10452 |
++ inode->i_atime = attr->ia_atime; |
10453 |
++ if (attr->ia_valid & ATTR_MTIME) |
10454 |
++ inode->i_mtime = attr->ia_mtime; |
10455 |
++ if (attr->ia_valid & ATTR_CTIME) |
10456 |
++ inode->i_ctime = attr->ia_ctime; |
10457 |
+ if (attr->ia_valid & ATTR_MODE) { |
10458 |
+ umode_t mode = attr->ia_mode; |
10459 |
+ |
10460 |
+diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c |
10461 |
+index 5dc5abca11c7..eeb1be259888 100644 |
10462 |
+--- a/fs/ubifs/ioctl.c |
10463 |
++++ b/fs/ubifs/ioctl.c |
10464 |
+@@ -113,7 +113,8 @@ static int setflags(struct inode *inode, int flags) |
10465 |
+ if (err) |
10466 |
+ goto out_unlock; |
10467 |
+ |
10468 |
+- ui->flags = ioctl2ubifs(flags); |
10469 |
++ ui->flags &= ~ioctl2ubifs(UBIFS_SUPPORTED_IOCTL_FLAGS); |
10470 |
++ ui->flags |= ioctl2ubifs(flags); |
10471 |
+ ubifs_set_inode_flags(inode); |
10472 |
+ inode->i_ctime = current_time(inode); |
10473 |
+ release = ui->dirty; |
10474 |
+diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c |
10475 |
+index a551eb3e9b89..6681c18e52b8 100644 |
10476 |
+--- a/fs/ubifs/sb.c |
10477 |
++++ b/fs/ubifs/sb.c |
10478 |
+@@ -161,7 +161,7 @@ static int create_default_filesystem(struct ubifs_info *c) |
10479 |
+ sup = kzalloc(ALIGN(UBIFS_SB_NODE_SZ, c->min_io_size), GFP_KERNEL); |
10480 |
+ mst = kzalloc(c->mst_node_alsz, GFP_KERNEL); |
10481 |
+ idx_node_size = ubifs_idx_node_sz(c, 1); |
10482 |
+- idx = kzalloc(ALIGN(tmp, c->min_io_size), GFP_KERNEL); |
10483 |
++ idx = kzalloc(ALIGN(idx_node_size, c->min_io_size), GFP_KERNEL); |
10484 |
+ ino = kzalloc(ALIGN(UBIFS_INO_NODE_SZ, c->min_io_size), GFP_KERNEL); |
10485 |
+ cs = kzalloc(ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size), GFP_KERNEL); |
10486 |
+ |
10487 |
+diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c |
10488 |
+index 5e1e8ec0589e..7fc2f3f07c16 100644 |
10489 |
+--- a/fs/ubifs/super.c |
10490 |
++++ b/fs/ubifs/super.c |
10491 |
+@@ -1599,6 +1599,7 @@ out_free: |
10492 |
+ vfree(c->ileb_buf); |
10493 |
+ vfree(c->sbuf); |
10494 |
+ kfree(c->bottom_up_buf); |
10495 |
++ kfree(c->sup_node); |
10496 |
+ ubifs_debugging_exit(c); |
10497 |
+ return err; |
10498 |
+ } |
10499 |
+@@ -1641,6 +1642,7 @@ static void ubifs_umount(struct ubifs_info *c) |
10500 |
+ vfree(c->ileb_buf); |
10501 |
+ vfree(c->sbuf); |
10502 |
+ kfree(c->bottom_up_buf); |
10503 |
++ kfree(c->sup_node); |
10504 |
+ ubifs_debugging_exit(c); |
10505 |
+ } |
10506 |
+ |
10507 |
+diff --git a/fs/utimes.c b/fs/utimes.c |
10508 |
+index 1ba3f7883870..090739322463 100644 |
10509 |
+--- a/fs/utimes.c |
10510 |
++++ b/fs/utimes.c |
10511 |
+@@ -36,14 +36,14 @@ static int utimes_common(const struct path *path, struct timespec64 *times) |
10512 |
+ if (times[0].tv_nsec == UTIME_OMIT) |
10513 |
+ newattrs.ia_valid &= ~ATTR_ATIME; |
10514 |
+ else if (times[0].tv_nsec != UTIME_NOW) { |
10515 |
+- newattrs.ia_atime = timestamp_truncate(times[0], inode); |
10516 |
++ newattrs.ia_atime = times[0]; |
10517 |
+ newattrs.ia_valid |= ATTR_ATIME_SET; |
10518 |
+ } |
10519 |
+ |
10520 |
+ if (times[1].tv_nsec == UTIME_OMIT) |
10521 |
+ newattrs.ia_valid &= ~ATTR_MTIME; |
10522 |
+ else if (times[1].tv_nsec != UTIME_NOW) { |
10523 |
+- newattrs.ia_mtime = timestamp_truncate(times[1], inode); |
10524 |
++ newattrs.ia_mtime = times[1]; |
10525 |
+ newattrs.ia_valid |= ATTR_MTIME_SET; |
10526 |
+ } |
10527 |
+ /* |
10528 |
+diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h |
10529 |
+index 04c0644006fd..c716ea81e653 100644 |
10530 |
+--- a/include/asm-generic/tlb.h |
10531 |
++++ b/include/asm-generic/tlb.h |
10532 |
+@@ -137,13 +137,6 @@ |
10533 |
+ * When used, an architecture is expected to provide __tlb_remove_table() |
10534 |
+ * which does the actual freeing of these pages. |
10535 |
+ * |
10536 |
+- * HAVE_RCU_TABLE_NO_INVALIDATE |
10537 |
+- * |
10538 |
+- * This makes HAVE_RCU_TABLE_FREE avoid calling tlb_flush_mmu_tlbonly() before |
10539 |
+- * freeing the page-table pages. This can be avoided if you use |
10540 |
+- * HAVE_RCU_TABLE_FREE and your architecture does _NOT_ use the Linux |
10541 |
+- * page-tables natively. |
10542 |
+- * |
10543 |
+ * MMU_GATHER_NO_RANGE |
10544 |
+ * |
10545 |
+ * Use this if your architecture lacks an efficient flush_tlb_range(). |
10546 |
+@@ -189,8 +182,23 @@ struct mmu_table_batch { |
10547 |
+ |
10548 |
+ extern void tlb_remove_table(struct mmu_gather *tlb, void *table); |
10549 |
+ |
10550 |
++/* |
10551 |
++ * This allows an architecture that does not use the linux page-tables for |
10552 |
++ * hardware to skip the TLBI when freeing page tables. |
10553 |
++ */ |
10554 |
++#ifndef tlb_needs_table_invalidate |
10555 |
++#define tlb_needs_table_invalidate() (true) |
10556 |
++#endif |
10557 |
++ |
10558 |
++#else |
10559 |
++ |
10560 |
++#ifdef tlb_needs_table_invalidate |
10561 |
++#error tlb_needs_table_invalidate() requires HAVE_RCU_TABLE_FREE |
10562 |
+ #endif |
10563 |
+ |
10564 |
++#endif /* CONFIG_HAVE_RCU_TABLE_FREE */ |
10565 |
++ |
10566 |
++ |
10567 |
+ #ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER |
10568 |
+ /* |
10569 |
+ * If we can't allocate a page to make a big batch of page pointers |
10570 |
+diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h |
10571 |
+index 97967ce06de3..f88197c1ffc2 100644 |
10572 |
+--- a/include/linux/backing-dev.h |
10573 |
++++ b/include/linux/backing-dev.h |
10574 |
+@@ -13,6 +13,7 @@ |
10575 |
+ #include <linux/fs.h> |
10576 |
+ #include <linux/sched.h> |
10577 |
+ #include <linux/blkdev.h> |
10578 |
++#include <linux/device.h> |
10579 |
+ #include <linux/writeback.h> |
10580 |
+ #include <linux/blk-cgroup.h> |
10581 |
+ #include <linux/backing-dev-defs.h> |
10582 |
+@@ -504,4 +505,13 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi) |
10583 |
+ (1 << WB_async_congested)); |
10584 |
+ } |
10585 |
+ |
10586 |
++extern const char *bdi_unknown_name; |
10587 |
++ |
10588 |
++static inline const char *bdi_dev_name(struct backing_dev_info *bdi) |
10589 |
++{ |
10590 |
++ if (!bdi || !bdi->dev) |
10591 |
++ return bdi_unknown_name; |
10592 |
++ return dev_name(bdi->dev); |
10593 |
++} |
10594 |
++ |
10595 |
+ #endif /* _LINUX_BACKING_DEV_H */ |
10596 |
+diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h |
10597 |
+index 31b1b0e03df8..018dce868de6 100644 |
10598 |
+--- a/include/linux/cpufreq.h |
10599 |
++++ b/include/linux/cpufreq.h |
10600 |
+@@ -148,6 +148,20 @@ struct cpufreq_policy { |
10601 |
+ struct notifier_block nb_max; |
10602 |
+ }; |
10603 |
+ |
10604 |
++/* |
10605 |
++ * Used for passing new cpufreq policy data to the cpufreq driver's ->verify() |
10606 |
++ * callback for sanitization. That callback is only expected to modify the min |
10607 |
++ * and max values, if necessary, and specifically it must not update the |
10608 |
++ * frequency table. |
10609 |
++ */ |
10610 |
++struct cpufreq_policy_data { |
10611 |
++ struct cpufreq_cpuinfo cpuinfo; |
10612 |
++ struct cpufreq_frequency_table *freq_table; |
10613 |
++ unsigned int cpu; |
10614 |
++ unsigned int min; /* in kHz */ |
10615 |
++ unsigned int max; /* in kHz */ |
10616 |
++}; |
10617 |
++ |
10618 |
+ struct cpufreq_freqs { |
10619 |
+ struct cpufreq_policy *policy; |
10620 |
+ unsigned int old; |
10621 |
+@@ -201,8 +215,6 @@ u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy); |
10622 |
+ struct cpufreq_policy *cpufreq_cpu_acquire(unsigned int cpu); |
10623 |
+ void cpufreq_cpu_release(struct cpufreq_policy *policy); |
10624 |
+ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu); |
10625 |
+-int cpufreq_set_policy(struct cpufreq_policy *policy, |
10626 |
+- struct cpufreq_policy *new_policy); |
10627 |
+ void refresh_frequency_limits(struct cpufreq_policy *policy); |
10628 |
+ void cpufreq_update_policy(unsigned int cpu); |
10629 |
+ void cpufreq_update_limits(unsigned int cpu); |
10630 |
+@@ -284,7 +296,7 @@ struct cpufreq_driver { |
10631 |
+ |
10632 |
+ /* needed by all drivers */ |
10633 |
+ int (*init)(struct cpufreq_policy *policy); |
10634 |
+- int (*verify)(struct cpufreq_policy *policy); |
10635 |
++ int (*verify)(struct cpufreq_policy_data *policy); |
10636 |
+ |
10637 |
+ /* define one out of two */ |
10638 |
+ int (*setpolicy)(struct cpufreq_policy *policy); |
10639 |
+@@ -415,8 +427,9 @@ static inline int cpufreq_thermal_control_enabled(struct cpufreq_driver *drv) |
10640 |
+ (drv->flags & CPUFREQ_IS_COOLING_DEV); |
10641 |
+ } |
10642 |
+ |
10643 |
+-static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, |
10644 |
+- unsigned int min, unsigned int max) |
10645 |
++static inline void cpufreq_verify_within_limits(struct cpufreq_policy_data *policy, |
10646 |
++ unsigned int min, |
10647 |
++ unsigned int max) |
10648 |
+ { |
10649 |
+ if (policy->min < min) |
10650 |
+ policy->min = min; |
10651 |
+@@ -432,10 +445,10 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, |
10652 |
+ } |
10653 |
+ |
10654 |
+ static inline void |
10655 |
+-cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy) |
10656 |
++cpufreq_verify_within_cpu_limits(struct cpufreq_policy_data *policy) |
10657 |
+ { |
10658 |
+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, |
10659 |
+- policy->cpuinfo.max_freq); |
10660 |
++ policy->cpuinfo.max_freq); |
10661 |
+ } |
10662 |
+ |
10663 |
+ #ifdef CONFIG_CPU_FREQ |
10664 |
+@@ -513,6 +526,7 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div, |
10665 |
+ * CPUFREQ GOVERNORS * |
10666 |
+ *********************************************************************/ |
10667 |
+ |
10668 |
++#define CPUFREQ_POLICY_UNKNOWN (0) |
10669 |
+ /* |
10670 |
+ * If (cpufreq_driver->target) exists, the ->governor decides what frequency |
10671 |
+ * within the limits is used. If (cpufreq_driver->setpolicy> exists, these |
10672 |
+@@ -684,9 +698,9 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, |
10673 |
+ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, |
10674 |
+ struct cpufreq_frequency_table *table); |
10675 |
+ |
10676 |
+-int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, |
10677 |
++int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy, |
10678 |
+ struct cpufreq_frequency_table *table); |
10679 |
+-int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy); |
10680 |
++int cpufreq_generic_frequency_table_verify(struct cpufreq_policy_data *policy); |
10681 |
+ |
10682 |
+ int cpufreq_table_index_unsorted(struct cpufreq_policy *policy, |
10683 |
+ unsigned int target_freq, |
10684 |
+diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h |
10685 |
+index ffcc7724ca21..dc4fd8a6644d 100644 |
10686 |
+--- a/include/linux/eventfd.h |
10687 |
++++ b/include/linux/eventfd.h |
10688 |
+@@ -12,6 +12,8 @@ |
10689 |
+ #include <linux/fcntl.h> |
10690 |
+ #include <linux/wait.h> |
10691 |
+ #include <linux/err.h> |
10692 |
++#include <linux/percpu-defs.h> |
10693 |
++#include <linux/percpu.h> |
10694 |
+ |
10695 |
+ /* |
10696 |
+ * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining |
10697 |
+@@ -40,6 +42,13 @@ __u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n); |
10698 |
+ int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait, |
10699 |
+ __u64 *cnt); |
10700 |
+ |
10701 |
++DECLARE_PER_CPU(int, eventfd_wake_count); |
10702 |
++ |
10703 |
++static inline bool eventfd_signal_count(void) |
10704 |
++{ |
10705 |
++ return this_cpu_read(eventfd_wake_count); |
10706 |
++} |
10707 |
++ |
10708 |
+ #else /* CONFIG_EVENTFD */ |
10709 |
+ |
10710 |
+ /* |
10711 |
+@@ -68,6 +77,11 @@ static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, |
10712 |
+ return -ENOSYS; |
10713 |
+ } |
10714 |
+ |
10715 |
++static inline bool eventfd_signal_count(void) |
10716 |
++{ |
10717 |
++ return false; |
10718 |
++} |
10719 |
++ |
10720 |
+ #endif |
10721 |
+ |
10722 |
+ #endif /* _LINUX_EVENTFD_H */ |
10723 |
+diff --git a/include/linux/irq.h b/include/linux/irq.h |
10724 |
+index fb301cf29148..f8755e5fcd74 100644 |
10725 |
+--- a/include/linux/irq.h |
10726 |
++++ b/include/linux/irq.h |
10727 |
+@@ -209,6 +209,8 @@ struct irq_data { |
10728 |
+ * IRQD_SINGLE_TARGET - IRQ allows only a single affinity target |
10729 |
+ * IRQD_DEFAULT_TRIGGER_SET - Expected trigger already been set |
10730 |
+ * IRQD_CAN_RESERVE - Can use reservation mode |
10731 |
++ * IRQD_MSI_NOMASK_QUIRK - Non-maskable MSI quirk for affinity change |
10732 |
++ * required |
10733 |
+ */ |
10734 |
+ enum { |
10735 |
+ IRQD_TRIGGER_MASK = 0xf, |
10736 |
+@@ -231,6 +233,7 @@ enum { |
10737 |
+ IRQD_SINGLE_TARGET = (1 << 24), |
10738 |
+ IRQD_DEFAULT_TRIGGER_SET = (1 << 25), |
10739 |
+ IRQD_CAN_RESERVE = (1 << 26), |
10740 |
++ IRQD_MSI_NOMASK_QUIRK = (1 << 27), |
10741 |
+ }; |
10742 |
+ |
10743 |
+ #define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors) |
10744 |
+@@ -390,6 +393,21 @@ static inline bool irqd_can_reserve(struct irq_data *d) |
10745 |
+ return __irqd_to_state(d) & IRQD_CAN_RESERVE; |
10746 |
+ } |
10747 |
+ |
10748 |
++static inline void irqd_set_msi_nomask_quirk(struct irq_data *d) |
10749 |
++{ |
10750 |
++ __irqd_to_state(d) |= IRQD_MSI_NOMASK_QUIRK; |
10751 |
++} |
10752 |
++ |
10753 |
++static inline void irqd_clr_msi_nomask_quirk(struct irq_data *d) |
10754 |
++{ |
10755 |
++ __irqd_to_state(d) &= ~IRQD_MSI_NOMASK_QUIRK; |
10756 |
++} |
10757 |
++ |
10758 |
++static inline bool irqd_msi_nomask_quirk(struct irq_data *d) |
10759 |
++{ |
10760 |
++ return __irqd_to_state(d) & IRQD_MSI_NOMASK_QUIRK; |
10761 |
++} |
10762 |
++ |
10763 |
+ #undef __irqd_to_state |
10764 |
+ |
10765 |
+ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) |
10766 |
+diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h |
10767 |
+index 583e7abd07f9..aba5ada373d6 100644 |
10768 |
+--- a/include/linux/irqdomain.h |
10769 |
++++ b/include/linux/irqdomain.h |
10770 |
+@@ -205,6 +205,13 @@ enum { |
10771 |
+ /* Irq domain implements MSI remapping */ |
10772 |
+ IRQ_DOMAIN_FLAG_MSI_REMAP = (1 << 5), |
10773 |
+ |
10774 |
++ /* |
10775 |
++ * Quirk to handle MSI implementations which do not provide |
10776 |
++ * masking. Currently known to affect x86, but partially |
10777 |
++ * handled in core code. |
10778 |
++ */ |
10779 |
++ IRQ_DOMAIN_MSI_NOMASK_QUIRK = (1 << 6), |
10780 |
++ |
10781 |
+ /* |
10782 |
+ * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved |
10783 |
+ * for implementation specific purposes and ignored by the |
10784 |
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h |
10785 |
+index d41c521a39da..b81f0f1ded5f 100644 |
10786 |
+--- a/include/linux/kvm_host.h |
10787 |
++++ b/include/linux/kvm_host.h |
10788 |
+@@ -204,7 +204,7 @@ struct kvm_async_pf { |
10789 |
+ struct list_head queue; |
10790 |
+ struct kvm_vcpu *vcpu; |
10791 |
+ struct mm_struct *mm; |
10792 |
+- gva_t gva; |
10793 |
++ gpa_t cr2_or_gpa; |
10794 |
+ unsigned long addr; |
10795 |
+ struct kvm_arch_async_pf arch; |
10796 |
+ bool wakeup_all; |
10797 |
+@@ -212,8 +212,8 @@ struct kvm_async_pf { |
10798 |
+ |
10799 |
+ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu); |
10800 |
+ void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu); |
10801 |
+-int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, unsigned long hva, |
10802 |
+- struct kvm_arch_async_pf *arch); |
10803 |
++int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
10804 |
++ unsigned long hva, struct kvm_arch_async_pf *arch); |
10805 |
+ int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu); |
10806 |
+ #endif |
10807 |
+ |
10808 |
+@@ -728,6 +728,7 @@ void kvm_set_pfn_dirty(kvm_pfn_t pfn); |
10809 |
+ void kvm_set_pfn_accessed(kvm_pfn_t pfn); |
10810 |
+ void kvm_get_pfn(kvm_pfn_t pfn); |
10811 |
+ |
10812 |
++void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache); |
10813 |
+ int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, |
10814 |
+ int len); |
10815 |
+ int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data, |
10816 |
+@@ -750,7 +751,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); |
10817 |
+ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); |
10818 |
+ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); |
10819 |
+ bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); |
10820 |
+-unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn); |
10821 |
++unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn); |
10822 |
+ void mark_page_dirty(struct kvm *kvm, gfn_t gfn); |
10823 |
+ |
10824 |
+ struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu); |
10825 |
+@@ -758,8 +759,12 @@ struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn |
10826 |
+ kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn); |
10827 |
+ kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
10828 |
+ int kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa, struct kvm_host_map *map); |
10829 |
++int kvm_map_gfn(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map, |
10830 |
++ struct gfn_to_pfn_cache *cache, bool atomic); |
10831 |
+ struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn); |
10832 |
+ void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, bool dirty); |
10833 |
++int kvm_unmap_gfn(struct kvm_vcpu *vcpu, struct kvm_host_map *map, |
10834 |
++ struct gfn_to_pfn_cache *cache, bool dirty, bool atomic); |
10835 |
+ unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn); |
10836 |
+ unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable); |
10837 |
+ int kvm_vcpu_read_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, int offset, |
10838 |
+diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h |
10839 |
+index bde5374ae021..2382cb58969d 100644 |
10840 |
+--- a/include/linux/kvm_types.h |
10841 |
++++ b/include/linux/kvm_types.h |
10842 |
+@@ -18,7 +18,7 @@ struct kvm_memslots; |
10843 |
+ |
10844 |
+ enum kvm_mr_change; |
10845 |
+ |
10846 |
+-#include <asm/types.h> |
10847 |
++#include <linux/types.h> |
10848 |
+ |
10849 |
+ /* |
10850 |
+ * Address types: |
10851 |
+@@ -49,4 +49,11 @@ struct gfn_to_hva_cache { |
10852 |
+ struct kvm_memory_slot *memslot; |
10853 |
+ }; |
10854 |
+ |
10855 |
++struct gfn_to_pfn_cache { |
10856 |
++ u64 generation; |
10857 |
++ gfn_t gfn; |
10858 |
++ kvm_pfn_t pfn; |
10859 |
++ bool dirty; |
10860 |
++}; |
10861 |
++ |
10862 |
+ #endif /* __KVM_TYPES_H__ */ |
10863 |
+diff --git a/include/linux/mfd/rohm-bd70528.h b/include/linux/mfd/rohm-bd70528.h |
10864 |
+index 1013e60c5b25..b0109ee6dae2 100644 |
10865 |
+--- a/include/linux/mfd/rohm-bd70528.h |
10866 |
++++ b/include/linux/mfd/rohm-bd70528.h |
10867 |
+@@ -317,7 +317,7 @@ enum { |
10868 |
+ #define BD70528_MASK_RTC_MINUTE 0x7f |
10869 |
+ #define BD70528_MASK_RTC_HOUR_24H 0x80 |
10870 |
+ #define BD70528_MASK_RTC_HOUR_PM 0x20 |
10871 |
+-#define BD70528_MASK_RTC_HOUR 0x1f |
10872 |
++#define BD70528_MASK_RTC_HOUR 0x3f |
10873 |
+ #define BD70528_MASK_RTC_DAY 0x3f |
10874 |
+ #define BD70528_MASK_RTC_WEEK 0x07 |
10875 |
+ #define BD70528_MASK_RTC_MONTH 0x1f |
10876 |
+diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h |
10877 |
+index 0836fe232f97..0cdc8d12785a 100644 |
10878 |
+--- a/include/linux/mlx5/mlx5_ifc.h |
10879 |
++++ b/include/linux/mlx5/mlx5_ifc.h |
10880 |
+@@ -1417,14 +1417,15 @@ struct mlx5_ifc_cmd_hca_cap_bits { |
10881 |
+ |
10882 |
+ u8 reserved_at_440[0x20]; |
10883 |
+ |
10884 |
+- u8 tls[0x1]; |
10885 |
+- u8 reserved_at_461[0x2]; |
10886 |
++ u8 reserved_at_460[0x3]; |
10887 |
+ u8 log_max_uctx[0x5]; |
10888 |
+ u8 reserved_at_468[0x3]; |
10889 |
+ u8 log_max_umem[0x5]; |
10890 |
+ u8 max_num_eqs[0x10]; |
10891 |
+ |
10892 |
+- u8 reserved_at_480[0x3]; |
10893 |
++ u8 reserved_at_480[0x1]; |
10894 |
++ u8 tls_tx[0x1]; |
10895 |
++ u8 reserved_at_482[0x1]; |
10896 |
+ u8 log_max_l2_table[0x5]; |
10897 |
+ u8 reserved_at_488[0x8]; |
10898 |
+ u8 log_uar_page_sz[0x10]; |
10899 |
+diff --git a/include/linux/padata.h b/include/linux/padata.h |
10900 |
+index 23717eeaad23..cccab7a59787 100644 |
10901 |
+--- a/include/linux/padata.h |
10902 |
++++ b/include/linux/padata.h |
10903 |
+@@ -9,6 +9,7 @@ |
10904 |
+ #ifndef PADATA_H |
10905 |
+ #define PADATA_H |
10906 |
+ |
10907 |
++#include <linux/compiler_types.h> |
10908 |
+ #include <linux/workqueue.h> |
10909 |
+ #include <linux/spinlock.h> |
10910 |
+ #include <linux/list.h> |
10911 |
+@@ -98,7 +99,7 @@ struct padata_cpumask { |
10912 |
+ * struct parallel_data - Internal control structure, covers everything |
10913 |
+ * that depends on the cpumask in use. |
10914 |
+ * |
10915 |
+- * @pinst: padata instance. |
10916 |
++ * @sh: padata_shell object. |
10917 |
+ * @pqueue: percpu padata queues used for parallelization. |
10918 |
+ * @squeue: percpu padata queues used for serialuzation. |
10919 |
+ * @reorder_objects: Number of objects waiting in the reorder queues. |
10920 |
+@@ -111,7 +112,7 @@ struct padata_cpumask { |
10921 |
+ * @lock: Reorder lock. |
10922 |
+ */ |
10923 |
+ struct parallel_data { |
10924 |
+- struct padata_instance *pinst; |
10925 |
++ struct padata_shell *ps; |
10926 |
+ struct padata_parallel_queue __percpu *pqueue; |
10927 |
+ struct padata_serial_queue __percpu *squeue; |
10928 |
+ atomic_t reorder_objects; |
10929 |
+@@ -124,14 +125,33 @@ struct parallel_data { |
10930 |
+ spinlock_t lock ____cacheline_aligned; |
10931 |
+ }; |
10932 |
+ |
10933 |
++/** |
10934 |
++ * struct padata_shell - Wrapper around struct parallel_data, its |
10935 |
++ * purpose is to allow the underlying control structure to be replaced |
10936 |
++ * on the fly using RCU. |
10937 |
++ * |
10938 |
++ * @pinst: padat instance. |
10939 |
++ * @pd: Actual parallel_data structure which may be substituted on the fly. |
10940 |
++ * @opd: Pointer to old pd to be freed by padata_replace. |
10941 |
++ * @list: List entry in padata_instance list. |
10942 |
++ */ |
10943 |
++struct padata_shell { |
10944 |
++ struct padata_instance *pinst; |
10945 |
++ struct parallel_data __rcu *pd; |
10946 |
++ struct parallel_data *opd; |
10947 |
++ struct list_head list; |
10948 |
++}; |
10949 |
++ |
10950 |
+ /** |
10951 |
+ * struct padata_instance - The overall control structure. |
10952 |
+ * |
10953 |
+ * @cpu_notifier: cpu hotplug notifier. |
10954 |
+ * @parallel_wq: The workqueue used for parallel work. |
10955 |
+ * @serial_wq: The workqueue used for serial work. |
10956 |
+- * @pd: The internal control structure. |
10957 |
++ * @pslist: List of padata_shell objects attached to this instance. |
10958 |
+ * @cpumask: User supplied cpumasks for parallel and serial works. |
10959 |
++ * @rcpumask: Actual cpumasks based on user cpumask and cpu_online_mask. |
10960 |
++ * @omask: Temporary storage used to compute the notification mask. |
10961 |
+ * @cpumask_change_notifier: Notifiers chain for user-defined notify |
10962 |
+ * callbacks that will be called when either @pcpu or @cbcpu |
10963 |
+ * or both cpumasks change. |
10964 |
+@@ -143,8 +163,10 @@ struct padata_instance { |
10965 |
+ struct hlist_node node; |
10966 |
+ struct workqueue_struct *parallel_wq; |
10967 |
+ struct workqueue_struct *serial_wq; |
10968 |
+- struct parallel_data *pd; |
10969 |
++ struct list_head pslist; |
10970 |
+ struct padata_cpumask cpumask; |
10971 |
++ struct padata_cpumask rcpumask; |
10972 |
++ cpumask_var_t omask; |
10973 |
+ struct blocking_notifier_head cpumask_change_notifier; |
10974 |
+ struct kobject kobj; |
10975 |
+ struct mutex lock; |
10976 |
+@@ -156,7 +178,9 @@ struct padata_instance { |
10977 |
+ |
10978 |
+ extern struct padata_instance *padata_alloc_possible(const char *name); |
10979 |
+ extern void padata_free(struct padata_instance *pinst); |
10980 |
+-extern int padata_do_parallel(struct padata_instance *pinst, |
10981 |
++extern struct padata_shell *padata_alloc_shell(struct padata_instance *pinst); |
10982 |
++extern void padata_free_shell(struct padata_shell *ps); |
10983 |
++extern int padata_do_parallel(struct padata_shell *ps, |
10984 |
+ struct padata_priv *padata, int *cb_cpu); |
10985 |
+ extern void padata_do_serial(struct padata_priv *padata); |
10986 |
+ extern int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type, |
10987 |
+diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h |
10988 |
+index a6fabd865211..176bfbd52d97 100644 |
10989 |
+--- a/include/linux/percpu-defs.h |
10990 |
++++ b/include/linux/percpu-defs.h |
10991 |
+@@ -175,8 +175,7 @@ |
10992 |
+ * Declaration/definition used for per-CPU variables that should be accessed |
10993 |
+ * as decrypted when memory encryption is enabled in the guest. |
10994 |
+ */ |
10995 |
+-#if defined(CONFIG_VIRTUALIZATION) && defined(CONFIG_AMD_MEM_ENCRYPT) |
10996 |
+- |
10997 |
++#ifdef CONFIG_AMD_MEM_ENCRYPT |
10998 |
+ #define DECLARE_PER_CPU_DECRYPTED(type, name) \ |
10999 |
+ DECLARE_PER_CPU_SECTION(type, name, "..decrypted") |
11000 |
+ |
11001 |
+diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h |
11002 |
+index 337a46391527..6a92fd3105a3 100644 |
11003 |
+--- a/include/linux/regulator/consumer.h |
11004 |
++++ b/include/linux/regulator/consumer.h |
11005 |
+@@ -287,6 +287,8 @@ void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, |
11006 |
+ const char *const *supply_names, |
11007 |
+ unsigned int num_supplies); |
11008 |
+ |
11009 |
++bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2); |
11010 |
++ |
11011 |
+ #else |
11012 |
+ |
11013 |
+ /* |
11014 |
+@@ -593,6 +595,11 @@ regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, |
11015 |
+ { |
11016 |
+ } |
11017 |
+ |
11018 |
++static inline bool |
11019 |
++regulator_is_equal(struct regulator *reg1, struct regulator *reg2) |
11020 |
++{ |
11021 |
++ return false; |
11022 |
++} |
11023 |
+ #endif |
11024 |
+ |
11025 |
+ static inline int regulator_set_voltage_triplet(struct regulator *regulator, |
11026 |
+diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h |
11027 |
+index c86474dc7b55..8800a640c224 100644 |
11028 |
+--- a/include/media/v4l2-rect.h |
11029 |
++++ b/include/media/v4l2-rect.h |
11030 |
+@@ -63,10 +63,10 @@ static inline void v4l2_rect_map_inside(struct v4l2_rect *r, |
11031 |
+ r->left = boundary->left; |
11032 |
+ if (r->top < boundary->top) |
11033 |
+ r->top = boundary->top; |
11034 |
+- if (r->left + r->width > boundary->width) |
11035 |
+- r->left = boundary->width - r->width; |
11036 |
+- if (r->top + r->height > boundary->height) |
11037 |
+- r->top = boundary->height - r->height; |
11038 |
++ if (r->left + r->width > boundary->left + boundary->width) |
11039 |
++ r->left = boundary->left + boundary->width - r->width; |
11040 |
++ if (r->top + r->height > boundary->top + boundary->height) |
11041 |
++ r->top = boundary->top + boundary->height - r->height; |
11042 |
+ } |
11043 |
+ |
11044 |
+ /** |
11045 |
+diff --git a/include/net/ipx.h b/include/net/ipx.h |
11046 |
+index baf090390998..9d1342807b59 100644 |
11047 |
+--- a/include/net/ipx.h |
11048 |
++++ b/include/net/ipx.h |
11049 |
+@@ -47,11 +47,6 @@ struct ipxhdr { |
11050 |
+ /* From af_ipx.c */ |
11051 |
+ extern int sysctl_ipx_pprop_broadcasting; |
11052 |
+ |
11053 |
+-static __inline__ struct ipxhdr *ipx_hdr(struct sk_buff *skb) |
11054 |
+-{ |
11055 |
+- return (struct ipxhdr *)skb_transport_header(skb); |
11056 |
+-} |
11057 |
+- |
11058 |
+ struct ipx_interface { |
11059 |
+ /* IPX address */ |
11060 |
+ __be32 if_netnum; |
11061 |
+diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h |
11062 |
+index e05b95e83d5a..fb9dce4c6928 100644 |
11063 |
+--- a/include/sound/hdaudio.h |
11064 |
++++ b/include/sound/hdaudio.h |
11065 |
+@@ -8,6 +8,7 @@ |
11066 |
+ |
11067 |
+ #include <linux/device.h> |
11068 |
+ #include <linux/interrupt.h> |
11069 |
++#include <linux/io.h> |
11070 |
+ #include <linux/pm_runtime.h> |
11071 |
+ #include <linux/timecounter.h> |
11072 |
+ #include <sound/core.h> |
11073 |
+@@ -330,6 +331,7 @@ struct hdac_bus { |
11074 |
+ bool chip_init:1; /* h/w initialized */ |
11075 |
+ |
11076 |
+ /* behavior flags */ |
11077 |
++ bool aligned_mmio:1; /* aligned MMIO access */ |
11078 |
+ bool sync_write:1; /* sync after verb write */ |
11079 |
+ bool use_posbuf:1; /* use position buffer */ |
11080 |
+ bool snoop:1; /* enable snooping */ |
11081 |
+@@ -405,34 +407,61 @@ void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus); |
11082 |
+ unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask); |
11083 |
+ void snd_hdac_aligned_write(unsigned int val, void __iomem *addr, |
11084 |
+ unsigned int mask); |
11085 |
+-#define snd_hdac_reg_writeb(v, addr) snd_hdac_aligned_write(v, addr, 0xff) |
11086 |
+-#define snd_hdac_reg_writew(v, addr) snd_hdac_aligned_write(v, addr, 0xffff) |
11087 |
+-#define snd_hdac_reg_readb(addr) snd_hdac_aligned_read(addr, 0xff) |
11088 |
+-#define snd_hdac_reg_readw(addr) snd_hdac_aligned_read(addr, 0xffff) |
11089 |
+-#else /* CONFIG_SND_HDA_ALIGNED_MMIO */ |
11090 |
+-#define snd_hdac_reg_writeb(val, addr) writeb(val, addr) |
11091 |
+-#define snd_hdac_reg_writew(val, addr) writew(val, addr) |
11092 |
+-#define snd_hdac_reg_readb(addr) readb(addr) |
11093 |
+-#define snd_hdac_reg_readw(addr) readw(addr) |
11094 |
+-#endif /* CONFIG_SND_HDA_ALIGNED_MMIO */ |
11095 |
+-#define snd_hdac_reg_writel(val, addr) writel(val, addr) |
11096 |
+-#define snd_hdac_reg_readl(addr) readl(addr) |
11097 |
++#define snd_hdac_aligned_mmio(bus) (bus)->aligned_mmio |
11098 |
++#else |
11099 |
++#define snd_hdac_aligned_mmio(bus) false |
11100 |
++#define snd_hdac_aligned_read(addr, mask) 0 |
11101 |
++#define snd_hdac_aligned_write(val, addr, mask) do {} while (0) |
11102 |
++#endif |
11103 |
++ |
11104 |
++static inline void snd_hdac_reg_writeb(struct hdac_bus *bus, void __iomem *addr, |
11105 |
++ u8 val) |
11106 |
++{ |
11107 |
++ if (snd_hdac_aligned_mmio(bus)) |
11108 |
++ snd_hdac_aligned_write(val, addr, 0xff); |
11109 |
++ else |
11110 |
++ writeb(val, addr); |
11111 |
++} |
11112 |
++ |
11113 |
++static inline void snd_hdac_reg_writew(struct hdac_bus *bus, void __iomem *addr, |
11114 |
++ u16 val) |
11115 |
++{ |
11116 |
++ if (snd_hdac_aligned_mmio(bus)) |
11117 |
++ snd_hdac_aligned_write(val, addr, 0xffff); |
11118 |
++ else |
11119 |
++ writew(val, addr); |
11120 |
++} |
11121 |
++ |
11122 |
++static inline u8 snd_hdac_reg_readb(struct hdac_bus *bus, void __iomem *addr) |
11123 |
++{ |
11124 |
++ return snd_hdac_aligned_mmio(bus) ? |
11125 |
++ snd_hdac_aligned_read(addr, 0xff) : readb(addr); |
11126 |
++} |
11127 |
++ |
11128 |
++static inline u16 snd_hdac_reg_readw(struct hdac_bus *bus, void __iomem *addr) |
11129 |
++{ |
11130 |
++ return snd_hdac_aligned_mmio(bus) ? |
11131 |
++ snd_hdac_aligned_read(addr, 0xffff) : readw(addr); |
11132 |
++} |
11133 |
++ |
11134 |
++#define snd_hdac_reg_writel(bus, addr, val) writel(val, addr) |
11135 |
++#define snd_hdac_reg_readl(bus, addr) readl(addr) |
11136 |
+ |
11137 |
+ /* |
11138 |
+ * macros for easy use |
11139 |
+ */ |
11140 |
+ #define _snd_hdac_chip_writeb(chip, reg, value) \ |
11141 |
+- snd_hdac_reg_writeb(value, (chip)->remap_addr + (reg)) |
11142 |
++ snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value) |
11143 |
+ #define _snd_hdac_chip_readb(chip, reg) \ |
11144 |
+- snd_hdac_reg_readb((chip)->remap_addr + (reg)) |
11145 |
++ snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg)) |
11146 |
+ #define _snd_hdac_chip_writew(chip, reg, value) \ |
11147 |
+- snd_hdac_reg_writew(value, (chip)->remap_addr + (reg)) |
11148 |
++ snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value) |
11149 |
+ #define _snd_hdac_chip_readw(chip, reg) \ |
11150 |
+- snd_hdac_reg_readw((chip)->remap_addr + (reg)) |
11151 |
++ snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg)) |
11152 |
+ #define _snd_hdac_chip_writel(chip, reg, value) \ |
11153 |
+- snd_hdac_reg_writel(value, (chip)->remap_addr + (reg)) |
11154 |
++ snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value) |
11155 |
+ #define _snd_hdac_chip_readl(chip, reg) \ |
11156 |
+- snd_hdac_reg_readl((chip)->remap_addr + (reg)) |
11157 |
++ snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg)) |
11158 |
+ |
11159 |
+ /* read/write a register, pass without AZX_REG_ prefix */ |
11160 |
+ #define snd_hdac_chip_writel(chip, reg, value) \ |
11161 |
+@@ -540,17 +569,17 @@ int snd_hdac_get_stream_stripe_ctl(struct hdac_bus *bus, |
11162 |
+ */ |
11163 |
+ /* read/write a register, pass without AZX_REG_ prefix */ |
11164 |
+ #define snd_hdac_stream_writel(dev, reg, value) \ |
11165 |
+- snd_hdac_reg_writel(value, (dev)->sd_addr + AZX_REG_ ## reg) |
11166 |
++ snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
11167 |
+ #define snd_hdac_stream_writew(dev, reg, value) \ |
11168 |
+- snd_hdac_reg_writew(value, (dev)->sd_addr + AZX_REG_ ## reg) |
11169 |
++ snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
11170 |
+ #define snd_hdac_stream_writeb(dev, reg, value) \ |
11171 |
+- snd_hdac_reg_writeb(value, (dev)->sd_addr + AZX_REG_ ## reg) |
11172 |
++ snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
11173 |
+ #define snd_hdac_stream_readl(dev, reg) \ |
11174 |
+- snd_hdac_reg_readl((dev)->sd_addr + AZX_REG_ ## reg) |
11175 |
++ snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
11176 |
+ #define snd_hdac_stream_readw(dev, reg) \ |
11177 |
+- snd_hdac_reg_readw((dev)->sd_addr + AZX_REG_ ## reg) |
11178 |
++ snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
11179 |
+ #define snd_hdac_stream_readb(dev, reg) \ |
11180 |
+- snd_hdac_reg_readb((dev)->sd_addr + AZX_REG_ ## reg) |
11181 |
++ snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
11182 |
+ |
11183 |
+ /* update a register, pass without AZX_REG_ prefix */ |
11184 |
+ #define snd_hdac_stream_updatel(dev, reg, mask, val) \ |
11185 |
+diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h |
11186 |
+index c2ce6480b4b1..66282552db20 100644 |
11187 |
+--- a/include/trace/events/writeback.h |
11188 |
++++ b/include/trace/events/writeback.h |
11189 |
+@@ -67,8 +67,8 @@ DECLARE_EVENT_CLASS(writeback_page_template, |
11190 |
+ |
11191 |
+ TP_fast_assign( |
11192 |
+ strscpy_pad(__entry->name, |
11193 |
+- mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", |
11194 |
+- 32); |
11195 |
++ bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : |
11196 |
++ NULL), 32); |
11197 |
+ __entry->ino = mapping ? mapping->host->i_ino : 0; |
11198 |
+ __entry->index = page->index; |
11199 |
+ ), |
11200 |
+@@ -111,8 +111,7 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template, |
11201 |
+ struct backing_dev_info *bdi = inode_to_bdi(inode); |
11202 |
+ |
11203 |
+ /* may be called for files on pseudo FSes w/ unregistered bdi */ |
11204 |
+- strscpy_pad(__entry->name, |
11205 |
+- bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); |
11206 |
++ strscpy_pad(__entry->name, bdi_dev_name(bdi), 32); |
11207 |
+ __entry->ino = inode->i_ino; |
11208 |
+ __entry->state = inode->i_state; |
11209 |
+ __entry->flags = flags; |
11210 |
+@@ -193,7 +192,7 @@ TRACE_EVENT(inode_foreign_history, |
11211 |
+ ), |
11212 |
+ |
11213 |
+ TP_fast_assign( |
11214 |
+- strncpy(__entry->name, dev_name(inode_to_bdi(inode)->dev), 32); |
11215 |
++ strncpy(__entry->name, bdi_dev_name(inode_to_bdi(inode)), 32); |
11216 |
+ __entry->ino = inode->i_ino; |
11217 |
+ __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); |
11218 |
+ __entry->history = history; |
11219 |
+@@ -222,7 +221,7 @@ TRACE_EVENT(inode_switch_wbs, |
11220 |
+ ), |
11221 |
+ |
11222 |
+ TP_fast_assign( |
11223 |
+- strncpy(__entry->name, dev_name(old_wb->bdi->dev), 32); |
11224 |
++ strncpy(__entry->name, bdi_dev_name(old_wb->bdi), 32); |
11225 |
+ __entry->ino = inode->i_ino; |
11226 |
+ __entry->old_cgroup_ino = __trace_wb_assign_cgroup(old_wb); |
11227 |
+ __entry->new_cgroup_ino = __trace_wb_assign_cgroup(new_wb); |
11228 |
+@@ -255,7 +254,7 @@ TRACE_EVENT(track_foreign_dirty, |
11229 |
+ struct address_space *mapping = page_mapping(page); |
11230 |
+ struct inode *inode = mapping ? mapping->host : NULL; |
11231 |
+ |
11232 |
+- strncpy(__entry->name, dev_name(wb->bdi->dev), 32); |
11233 |
++ strncpy(__entry->name, bdi_dev_name(wb->bdi), 32); |
11234 |
+ __entry->bdi_id = wb->bdi->id; |
11235 |
+ __entry->ino = inode ? inode->i_ino : 0; |
11236 |
+ __entry->memcg_id = wb->memcg_css->id; |
11237 |
+@@ -288,7 +287,7 @@ TRACE_EVENT(flush_foreign, |
11238 |
+ ), |
11239 |
+ |
11240 |
+ TP_fast_assign( |
11241 |
+- strncpy(__entry->name, dev_name(wb->bdi->dev), 32); |
11242 |
++ strncpy(__entry->name, bdi_dev_name(wb->bdi), 32); |
11243 |
+ __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); |
11244 |
+ __entry->frn_bdi_id = frn_bdi_id; |
11245 |
+ __entry->frn_memcg_id = frn_memcg_id; |
11246 |
+@@ -318,7 +317,7 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template, |
11247 |
+ |
11248 |
+ TP_fast_assign( |
11249 |
+ strscpy_pad(__entry->name, |
11250 |
+- dev_name(inode_to_bdi(inode)->dev), 32); |
11251 |
++ bdi_dev_name(inode_to_bdi(inode)), 32); |
11252 |
+ __entry->ino = inode->i_ino; |
11253 |
+ __entry->sync_mode = wbc->sync_mode; |
11254 |
+ __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); |
11255 |
+@@ -361,9 +360,7 @@ DECLARE_EVENT_CLASS(writeback_work_class, |
11256 |
+ __field(unsigned int, cgroup_ino) |
11257 |
+ ), |
11258 |
+ TP_fast_assign( |
11259 |
+- strscpy_pad(__entry->name, |
11260 |
+- wb->bdi->dev ? dev_name(wb->bdi->dev) : |
11261 |
+- "(unknown)", 32); |
11262 |
++ strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32); |
11263 |
+ __entry->nr_pages = work->nr_pages; |
11264 |
+ __entry->sb_dev = work->sb ? work->sb->s_dev : 0; |
11265 |
+ __entry->sync_mode = work->sync_mode; |
11266 |
+@@ -416,7 +413,7 @@ DECLARE_EVENT_CLASS(writeback_class, |
11267 |
+ __field(unsigned int, cgroup_ino) |
11268 |
+ ), |
11269 |
+ TP_fast_assign( |
11270 |
+- strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32); |
11271 |
++ strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32); |
11272 |
+ __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); |
11273 |
+ ), |
11274 |
+ TP_printk("bdi %s: cgroup_ino=%u", |
11275 |
+@@ -438,7 +435,7 @@ TRACE_EVENT(writeback_bdi_register, |
11276 |
+ __array(char, name, 32) |
11277 |
+ ), |
11278 |
+ TP_fast_assign( |
11279 |
+- strscpy_pad(__entry->name, dev_name(bdi->dev), 32); |
11280 |
++ strscpy_pad(__entry->name, bdi_dev_name(bdi), 32); |
11281 |
+ ), |
11282 |
+ TP_printk("bdi %s", |
11283 |
+ __entry->name |
11284 |
+@@ -463,7 +460,7 @@ DECLARE_EVENT_CLASS(wbc_class, |
11285 |
+ ), |
11286 |
+ |
11287 |
+ TP_fast_assign( |
11288 |
+- strscpy_pad(__entry->name, dev_name(bdi->dev), 32); |
11289 |
++ strscpy_pad(__entry->name, bdi_dev_name(bdi), 32); |
11290 |
+ __entry->nr_to_write = wbc->nr_to_write; |
11291 |
+ __entry->pages_skipped = wbc->pages_skipped; |
11292 |
+ __entry->sync_mode = wbc->sync_mode; |
11293 |
+@@ -514,7 +511,7 @@ TRACE_EVENT(writeback_queue_io, |
11294 |
+ ), |
11295 |
+ TP_fast_assign( |
11296 |
+ unsigned long *older_than_this = work->older_than_this; |
11297 |
+- strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32); |
11298 |
++ strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32); |
11299 |
+ __entry->older = older_than_this ? *older_than_this : 0; |
11300 |
+ __entry->age = older_than_this ? |
11301 |
+ (jiffies - *older_than_this) * 1000 / HZ : -1; |
11302 |
+@@ -600,7 +597,7 @@ TRACE_EVENT(bdi_dirty_ratelimit, |
11303 |
+ ), |
11304 |
+ |
11305 |
+ TP_fast_assign( |
11306 |
+- strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32); |
11307 |
++ strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32); |
11308 |
+ __entry->write_bw = KBps(wb->write_bandwidth); |
11309 |
+ __entry->avg_write_bw = KBps(wb->avg_write_bandwidth); |
11310 |
+ __entry->dirty_rate = KBps(dirty_rate); |
11311 |
+@@ -665,7 +662,7 @@ TRACE_EVENT(balance_dirty_pages, |
11312 |
+ |
11313 |
+ TP_fast_assign( |
11314 |
+ unsigned long freerun = (thresh + bg_thresh) / 2; |
11315 |
+- strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32); |
11316 |
++ strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32); |
11317 |
+ |
11318 |
+ __entry->limit = global_wb_domain.dirty_limit; |
11319 |
+ __entry->setpoint = (global_wb_domain.dirty_limit + |
11320 |
+@@ -726,7 +723,7 @@ TRACE_EVENT(writeback_sb_inodes_requeue, |
11321 |
+ |
11322 |
+ TP_fast_assign( |
11323 |
+ strscpy_pad(__entry->name, |
11324 |
+- dev_name(inode_to_bdi(inode)->dev), 32); |
11325 |
++ bdi_dev_name(inode_to_bdi(inode)), 32); |
11326 |
+ __entry->ino = inode->i_ino; |
11327 |
+ __entry->state = inode->i_state; |
11328 |
+ __entry->dirtied_when = inode->dirtied_when; |
11329 |
+@@ -800,7 +797,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, |
11330 |
+ |
11331 |
+ TP_fast_assign( |
11332 |
+ strscpy_pad(__entry->name, |
11333 |
+- dev_name(inode_to_bdi(inode)->dev), 32); |
11334 |
++ bdi_dev_name(inode_to_bdi(inode)), 32); |
11335 |
+ __entry->ino = inode->i_ino; |
11336 |
+ __entry->state = inode->i_state; |
11337 |
+ __entry->dirtied_when = inode->dirtied_when; |
11338 |
+diff --git a/ipc/msg.c b/ipc/msg.c |
11339 |
+index 8dec945fa030..767587ab45a3 100644 |
11340 |
+--- a/ipc/msg.c |
11341 |
++++ b/ipc/msg.c |
11342 |
+@@ -377,7 +377,7 @@ copy_msqid_from_user(struct msqid64_ds *out, void __user *buf, int version) |
11343 |
+ * NOTE: no locks must be held, the rwsem is taken inside this function. |
11344 |
+ */ |
11345 |
+ static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd, |
11346 |
+- struct msqid64_ds *msqid64) |
11347 |
++ struct ipc64_perm *perm, int msg_qbytes) |
11348 |
+ { |
11349 |
+ struct kern_ipc_perm *ipcp; |
11350 |
+ struct msg_queue *msq; |
11351 |
+@@ -387,7 +387,7 @@ static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd, |
11352 |
+ rcu_read_lock(); |
11353 |
+ |
11354 |
+ ipcp = ipcctl_obtain_check(ns, &msg_ids(ns), msqid, cmd, |
11355 |
+- &msqid64->msg_perm, msqid64->msg_qbytes); |
11356 |
++ perm, msg_qbytes); |
11357 |
+ if (IS_ERR(ipcp)) { |
11358 |
+ err = PTR_ERR(ipcp); |
11359 |
+ goto out_unlock1; |
11360 |
+@@ -409,18 +409,18 @@ static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd, |
11361 |
+ { |
11362 |
+ DEFINE_WAKE_Q(wake_q); |
11363 |
+ |
11364 |
+- if (msqid64->msg_qbytes > ns->msg_ctlmnb && |
11365 |
++ if (msg_qbytes > ns->msg_ctlmnb && |
11366 |
+ !capable(CAP_SYS_RESOURCE)) { |
11367 |
+ err = -EPERM; |
11368 |
+ goto out_unlock1; |
11369 |
+ } |
11370 |
+ |
11371 |
+ ipc_lock_object(&msq->q_perm); |
11372 |
+- err = ipc_update_perm(&msqid64->msg_perm, ipcp); |
11373 |
++ err = ipc_update_perm(perm, ipcp); |
11374 |
+ if (err) |
11375 |
+ goto out_unlock0; |
11376 |
+ |
11377 |
+- msq->q_qbytes = msqid64->msg_qbytes; |
11378 |
++ msq->q_qbytes = msg_qbytes; |
11379 |
+ |
11380 |
+ msq->q_ctime = ktime_get_real_seconds(); |
11381 |
+ /* |
11382 |
+@@ -601,9 +601,10 @@ static long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf, int ver |
11383 |
+ case IPC_SET: |
11384 |
+ if (copy_msqid_from_user(&msqid64, buf, version)) |
11385 |
+ return -EFAULT; |
11386 |
+- /* fallthru */ |
11387 |
++ return msgctl_down(ns, msqid, cmd, &msqid64.msg_perm, |
11388 |
++ msqid64.msg_qbytes); |
11389 |
+ case IPC_RMID: |
11390 |
+- return msgctl_down(ns, msqid, cmd, &msqid64); |
11391 |
++ return msgctl_down(ns, msqid, cmd, NULL, 0); |
11392 |
+ default: |
11393 |
+ return -EINVAL; |
11394 |
+ } |
11395 |
+@@ -735,9 +736,9 @@ static long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr, int versio |
11396 |
+ case IPC_SET: |
11397 |
+ if (copy_compat_msqid_from_user(&msqid64, uptr, version)) |
11398 |
+ return -EFAULT; |
11399 |
+- /* fallthru */ |
11400 |
++ return msgctl_down(ns, msqid, cmd, &msqid64.msg_perm, msqid64.msg_qbytes); |
11401 |
+ case IPC_RMID: |
11402 |
+- return msgctl_down(ns, msqid, cmd, &msqid64); |
11403 |
++ return msgctl_down(ns, msqid, cmd, NULL, 0); |
11404 |
+ default: |
11405 |
+ return -EINVAL; |
11406 |
+ } |
11407 |
+diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c |
11408 |
+index 3d3d61b5985b..b4b6b77f309c 100644 |
11409 |
+--- a/kernel/bpf/devmap.c |
11410 |
++++ b/kernel/bpf/devmap.c |
11411 |
+@@ -293,7 +293,8 @@ struct bpf_dtab_netdev *__dev_map_hash_lookup_elem(struct bpf_map *map, u32 key) |
11412 |
+ struct hlist_head *head = dev_map_index_hash(dtab, key); |
11413 |
+ struct bpf_dtab_netdev *dev; |
11414 |
+ |
11415 |
+- hlist_for_each_entry_rcu(dev, head, index_hlist) |
11416 |
++ hlist_for_each_entry_rcu(dev, head, index_hlist, |
11417 |
++ lockdep_is_held(&dtab->index_lock)) |
11418 |
+ if (dev->idx == key) |
11419 |
+ return dev; |
11420 |
+ |
11421 |
+diff --git a/kernel/events/core.c b/kernel/events/core.c |
11422 |
+index 6c829e22bad3..15b123bdcaf5 100644 |
11423 |
+--- a/kernel/events/core.c |
11424 |
++++ b/kernel/events/core.c |
11425 |
+@@ -5823,7 +5823,15 @@ accounting: |
11426 |
+ */ |
11427 |
+ user_lock_limit *= num_online_cpus(); |
11428 |
+ |
11429 |
+- user_locked = atomic_long_read(&user->locked_vm) + user_extra; |
11430 |
++ user_locked = atomic_long_read(&user->locked_vm); |
11431 |
++ |
11432 |
++ /* |
11433 |
++ * sysctl_perf_event_mlock may have changed, so that |
11434 |
++ * user->locked_vm > user_lock_limit |
11435 |
++ */ |
11436 |
++ if (user_locked > user_lock_limit) |
11437 |
++ user_locked = user_lock_limit; |
11438 |
++ user_locked += user_extra; |
11439 |
+ |
11440 |
+ if (user_locked <= user_lock_limit) { |
11441 |
+ /* charge all to locked_vm */ |
11442 |
+diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c |
11443 |
+index c1eccd4f6520..a949bd39e343 100644 |
11444 |
+--- a/kernel/irq/debugfs.c |
11445 |
++++ b/kernel/irq/debugfs.c |
11446 |
+@@ -114,6 +114,7 @@ static const struct irq_bit_descr irqdata_states[] = { |
11447 |
+ BIT_MASK_DESCR(IRQD_AFFINITY_MANAGED), |
11448 |
+ BIT_MASK_DESCR(IRQD_MANAGED_SHUTDOWN), |
11449 |
+ BIT_MASK_DESCR(IRQD_CAN_RESERVE), |
11450 |
++ BIT_MASK_DESCR(IRQD_MSI_NOMASK_QUIRK), |
11451 |
+ |
11452 |
+ BIT_MASK_DESCR(IRQD_FORWARDED_TO_VCPU), |
11453 |
+ |
11454 |
+diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c |
11455 |
+index dd822fd8a7d5..480df3659720 100644 |
11456 |
+--- a/kernel/irq/irqdomain.c |
11457 |
++++ b/kernel/irq/irqdomain.c |
11458 |
+@@ -1459,6 +1459,7 @@ int irq_domain_push_irq(struct irq_domain *domain, int virq, void *arg) |
11459 |
+ if (rv) { |
11460 |
+ /* Restore the original irq_data. */ |
11461 |
+ *root_irq_data = *child_irq_data; |
11462 |
++ kfree(child_irq_data); |
11463 |
+ goto error; |
11464 |
+ } |
11465 |
+ |
11466 |
+diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c |
11467 |
+index ad26fbcfbfc8..eb95f6106a1e 100644 |
11468 |
+--- a/kernel/irq/msi.c |
11469 |
++++ b/kernel/irq/msi.c |
11470 |
+@@ -453,8 +453,11 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, |
11471 |
+ continue; |
11472 |
+ |
11473 |
+ irq_data = irq_domain_get_irq_data(domain, desc->irq); |
11474 |
+- if (!can_reserve) |
11475 |
++ if (!can_reserve) { |
11476 |
+ irqd_clr_can_reserve(irq_data); |
11477 |
++ if (domain->flags & IRQ_DOMAIN_MSI_NOMASK_QUIRK) |
11478 |
++ irqd_set_msi_nomask_quirk(irq_data); |
11479 |
++ } |
11480 |
+ ret = irq_domain_activate_irq(irq_data, can_reserve); |
11481 |
+ if (ret) |
11482 |
+ goto cleanup; |
11483 |
+diff --git a/kernel/padata.c b/kernel/padata.c |
11484 |
+index c3fec1413295..9c82ee4a9732 100644 |
11485 |
+--- a/kernel/padata.c |
11486 |
++++ b/kernel/padata.c |
11487 |
+@@ -35,6 +35,8 @@ |
11488 |
+ |
11489 |
+ #define MAX_OBJ_NUM 1000 |
11490 |
+ |
11491 |
++static void padata_free_pd(struct parallel_data *pd); |
11492 |
++ |
11493 |
+ static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index) |
11494 |
+ { |
11495 |
+ int cpu, target_cpu; |
11496 |
+@@ -87,7 +89,7 @@ static void padata_parallel_worker(struct work_struct *parallel_work) |
11497 |
+ /** |
11498 |
+ * padata_do_parallel - padata parallelization function |
11499 |
+ * |
11500 |
+- * @pinst: padata instance |
11501 |
++ * @ps: padatashell |
11502 |
+ * @padata: object to be parallelized |
11503 |
+ * @cb_cpu: pointer to the CPU that the serialization callback function should |
11504 |
+ * run on. If it's not in the serial cpumask of @pinst |
11505 |
+@@ -98,16 +100,17 @@ static void padata_parallel_worker(struct work_struct *parallel_work) |
11506 |
+ * Note: Every object which is parallelized by padata_do_parallel |
11507 |
+ * must be seen by padata_do_serial. |
11508 |
+ */ |
11509 |
+-int padata_do_parallel(struct padata_instance *pinst, |
11510 |
++int padata_do_parallel(struct padata_shell *ps, |
11511 |
+ struct padata_priv *padata, int *cb_cpu) |
11512 |
+ { |
11513 |
++ struct padata_instance *pinst = ps->pinst; |
11514 |
+ int i, cpu, cpu_index, target_cpu, err; |
11515 |
+ struct padata_parallel_queue *queue; |
11516 |
+ struct parallel_data *pd; |
11517 |
+ |
11518 |
+ rcu_read_lock_bh(); |
11519 |
+ |
11520 |
+- pd = rcu_dereference_bh(pinst->pd); |
11521 |
++ pd = rcu_dereference_bh(ps->pd); |
11522 |
+ |
11523 |
+ err = -EINVAL; |
11524 |
+ if (!(pinst->flags & PADATA_INIT) || pinst->flags & PADATA_INVALID) |
11525 |
+@@ -210,10 +213,10 @@ static struct padata_priv *padata_find_next(struct parallel_data *pd, |
11526 |
+ |
11527 |
+ static void padata_reorder(struct parallel_data *pd) |
11528 |
+ { |
11529 |
++ struct padata_instance *pinst = pd->ps->pinst; |
11530 |
+ int cb_cpu; |
11531 |
+ struct padata_priv *padata; |
11532 |
+ struct padata_serial_queue *squeue; |
11533 |
+- struct padata_instance *pinst = pd->pinst; |
11534 |
+ struct padata_parallel_queue *next_queue; |
11535 |
+ |
11536 |
+ /* |
11537 |
+@@ -283,6 +286,7 @@ static void padata_serial_worker(struct work_struct *serial_work) |
11538 |
+ struct padata_serial_queue *squeue; |
11539 |
+ struct parallel_data *pd; |
11540 |
+ LIST_HEAD(local_list); |
11541 |
++ int cnt; |
11542 |
+ |
11543 |
+ local_bh_disable(); |
11544 |
+ squeue = container_of(serial_work, struct padata_serial_queue, work); |
11545 |
+@@ -292,6 +296,8 @@ static void padata_serial_worker(struct work_struct *serial_work) |
11546 |
+ list_replace_init(&squeue->serial.list, &local_list); |
11547 |
+ spin_unlock(&squeue->serial.lock); |
11548 |
+ |
11549 |
++ cnt = 0; |
11550 |
++ |
11551 |
+ while (!list_empty(&local_list)) { |
11552 |
+ struct padata_priv *padata; |
11553 |
+ |
11554 |
+@@ -301,9 +307,12 @@ static void padata_serial_worker(struct work_struct *serial_work) |
11555 |
+ list_del_init(&padata->list); |
11556 |
+ |
11557 |
+ padata->serial(padata); |
11558 |
+- atomic_dec(&pd->refcnt); |
11559 |
++ cnt++; |
11560 |
+ } |
11561 |
+ local_bh_enable(); |
11562 |
++ |
11563 |
++ if (atomic_sub_and_test(cnt, &pd->refcnt)) |
11564 |
++ padata_free_pd(pd); |
11565 |
+ } |
11566 |
+ |
11567 |
+ /** |
11568 |
+@@ -341,36 +350,39 @@ void padata_do_serial(struct padata_priv *padata) |
11569 |
+ } |
11570 |
+ EXPORT_SYMBOL(padata_do_serial); |
11571 |
+ |
11572 |
+-static int padata_setup_cpumasks(struct parallel_data *pd, |
11573 |
+- const struct cpumask *pcpumask, |
11574 |
+- const struct cpumask *cbcpumask) |
11575 |
++static int padata_setup_cpumasks(struct padata_instance *pinst) |
11576 |
+ { |
11577 |
+ struct workqueue_attrs *attrs; |
11578 |
++ int err; |
11579 |
++ |
11580 |
++ attrs = alloc_workqueue_attrs(); |
11581 |
++ if (!attrs) |
11582 |
++ return -ENOMEM; |
11583 |
++ |
11584 |
++ /* Restrict parallel_wq workers to pd->cpumask.pcpu. */ |
11585 |
++ cpumask_copy(attrs->cpumask, pinst->cpumask.pcpu); |
11586 |
++ err = apply_workqueue_attrs(pinst->parallel_wq, attrs); |
11587 |
++ free_workqueue_attrs(attrs); |
11588 |
++ |
11589 |
++ return err; |
11590 |
++} |
11591 |
++ |
11592 |
++static int pd_setup_cpumasks(struct parallel_data *pd, |
11593 |
++ const struct cpumask *pcpumask, |
11594 |
++ const struct cpumask *cbcpumask) |
11595 |
++{ |
11596 |
+ int err = -ENOMEM; |
11597 |
+ |
11598 |
+ if (!alloc_cpumask_var(&pd->cpumask.pcpu, GFP_KERNEL)) |
11599 |
+ goto out; |
11600 |
+- cpumask_and(pd->cpumask.pcpu, pcpumask, cpu_online_mask); |
11601 |
+- |
11602 |
+ if (!alloc_cpumask_var(&pd->cpumask.cbcpu, GFP_KERNEL)) |
11603 |
+ goto free_pcpu_mask; |
11604 |
+- cpumask_and(pd->cpumask.cbcpu, cbcpumask, cpu_online_mask); |
11605 |
+- |
11606 |
+- attrs = alloc_workqueue_attrs(); |
11607 |
+- if (!attrs) |
11608 |
+- goto free_cbcpu_mask; |
11609 |
+ |
11610 |
+- /* Restrict parallel_wq workers to pd->cpumask.pcpu. */ |
11611 |
+- cpumask_copy(attrs->cpumask, pd->cpumask.pcpu); |
11612 |
+- err = apply_workqueue_attrs(pd->pinst->parallel_wq, attrs); |
11613 |
+- free_workqueue_attrs(attrs); |
11614 |
+- if (err < 0) |
11615 |
+- goto free_cbcpu_mask; |
11616 |
++ cpumask_copy(pd->cpumask.pcpu, pcpumask); |
11617 |
++ cpumask_copy(pd->cpumask.cbcpu, cbcpumask); |
11618 |
+ |
11619 |
+ return 0; |
11620 |
+ |
11621 |
+-free_cbcpu_mask: |
11622 |
+- free_cpumask_var(pd->cpumask.cbcpu); |
11623 |
+ free_pcpu_mask: |
11624 |
+ free_cpumask_var(pd->cpumask.pcpu); |
11625 |
+ out: |
11626 |
+@@ -414,12 +426,16 @@ static void padata_init_pqueues(struct parallel_data *pd) |
11627 |
+ } |
11628 |
+ |
11629 |
+ /* Allocate and initialize the internal cpumask dependend resources. */ |
11630 |
+-static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst, |
11631 |
+- const struct cpumask *pcpumask, |
11632 |
+- const struct cpumask *cbcpumask) |
11633 |
++static struct parallel_data *padata_alloc_pd(struct padata_shell *ps) |
11634 |
+ { |
11635 |
++ struct padata_instance *pinst = ps->pinst; |
11636 |
++ const struct cpumask *cbcpumask; |
11637 |
++ const struct cpumask *pcpumask; |
11638 |
+ struct parallel_data *pd; |
11639 |
+ |
11640 |
++ cbcpumask = pinst->rcpumask.cbcpu; |
11641 |
++ pcpumask = pinst->rcpumask.pcpu; |
11642 |
++ |
11643 |
+ pd = kzalloc(sizeof(struct parallel_data), GFP_KERNEL); |
11644 |
+ if (!pd) |
11645 |
+ goto err; |
11646 |
+@@ -432,15 +448,15 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst, |
11647 |
+ if (!pd->squeue) |
11648 |
+ goto err_free_pqueue; |
11649 |
+ |
11650 |
+- pd->pinst = pinst; |
11651 |
+- if (padata_setup_cpumasks(pd, pcpumask, cbcpumask) < 0) |
11652 |
++ pd->ps = ps; |
11653 |
++ if (pd_setup_cpumasks(pd, pcpumask, cbcpumask)) |
11654 |
+ goto err_free_squeue; |
11655 |
+ |
11656 |
+ padata_init_pqueues(pd); |
11657 |
+ padata_init_squeues(pd); |
11658 |
+ atomic_set(&pd->seq_nr, -1); |
11659 |
+ atomic_set(&pd->reorder_objects, 0); |
11660 |
+- atomic_set(&pd->refcnt, 0); |
11661 |
++ atomic_set(&pd->refcnt, 1); |
11662 |
+ spin_lock_init(&pd->lock); |
11663 |
+ pd->cpu = cpumask_first(pd->cpumask.pcpu); |
11664 |
+ INIT_WORK(&pd->reorder_work, invoke_padata_reorder); |
11665 |
+@@ -466,29 +482,6 @@ static void padata_free_pd(struct parallel_data *pd) |
11666 |
+ kfree(pd); |
11667 |
+ } |
11668 |
+ |
11669 |
+-/* Flush all objects out of the padata queues. */ |
11670 |
+-static void padata_flush_queues(struct parallel_data *pd) |
11671 |
+-{ |
11672 |
+- int cpu; |
11673 |
+- struct padata_parallel_queue *pqueue; |
11674 |
+- struct padata_serial_queue *squeue; |
11675 |
+- |
11676 |
+- for_each_cpu(cpu, pd->cpumask.pcpu) { |
11677 |
+- pqueue = per_cpu_ptr(pd->pqueue, cpu); |
11678 |
+- flush_work(&pqueue->work); |
11679 |
+- } |
11680 |
+- |
11681 |
+- if (atomic_read(&pd->reorder_objects)) |
11682 |
+- padata_reorder(pd); |
11683 |
+- |
11684 |
+- for_each_cpu(cpu, pd->cpumask.cbcpu) { |
11685 |
+- squeue = per_cpu_ptr(pd->squeue, cpu); |
11686 |
+- flush_work(&squeue->work); |
11687 |
+- } |
11688 |
+- |
11689 |
+- BUG_ON(atomic_read(&pd->refcnt) != 0); |
11690 |
+-} |
11691 |
+- |
11692 |
+ static void __padata_start(struct padata_instance *pinst) |
11693 |
+ { |
11694 |
+ pinst->flags |= PADATA_INIT; |
11695 |
+@@ -502,39 +495,67 @@ static void __padata_stop(struct padata_instance *pinst) |
11696 |
+ pinst->flags &= ~PADATA_INIT; |
11697 |
+ |
11698 |
+ synchronize_rcu(); |
11699 |
+- |
11700 |
+- get_online_cpus(); |
11701 |
+- padata_flush_queues(pinst->pd); |
11702 |
+- put_online_cpus(); |
11703 |
+ } |
11704 |
+ |
11705 |
+ /* Replace the internal control structure with a new one. */ |
11706 |
+-static void padata_replace(struct padata_instance *pinst, |
11707 |
+- struct parallel_data *pd_new) |
11708 |
++static int padata_replace_one(struct padata_shell *ps) |
11709 |
+ { |
11710 |
+- struct parallel_data *pd_old = pinst->pd; |
11711 |
+- int notification_mask = 0; |
11712 |
++ struct parallel_data *pd_new; |
11713 |
+ |
11714 |
+- pinst->flags |= PADATA_RESET; |
11715 |
++ pd_new = padata_alloc_pd(ps); |
11716 |
++ if (!pd_new) |
11717 |
++ return -ENOMEM; |
11718 |
+ |
11719 |
+- rcu_assign_pointer(pinst->pd, pd_new); |
11720 |
++ ps->opd = rcu_dereference_protected(ps->pd, 1); |
11721 |
++ rcu_assign_pointer(ps->pd, pd_new); |
11722 |
+ |
11723 |
+- synchronize_rcu(); |
11724 |
++ return 0; |
11725 |
++} |
11726 |
++ |
11727 |
++static int padata_replace(struct padata_instance *pinst, int cpu) |
11728 |
++{ |
11729 |
++ int notification_mask = 0; |
11730 |
++ struct padata_shell *ps; |
11731 |
++ int err; |
11732 |
++ |
11733 |
++ pinst->flags |= PADATA_RESET; |
11734 |
+ |
11735 |
+- if (!cpumask_equal(pd_old->cpumask.pcpu, pd_new->cpumask.pcpu)) |
11736 |
++ cpumask_copy(pinst->omask, pinst->rcpumask.pcpu); |
11737 |
++ cpumask_and(pinst->rcpumask.pcpu, pinst->cpumask.pcpu, |
11738 |
++ cpu_online_mask); |
11739 |
++ if (cpu >= 0) |
11740 |
++ cpumask_clear_cpu(cpu, pinst->rcpumask.pcpu); |
11741 |
++ if (!cpumask_equal(pinst->omask, pinst->rcpumask.pcpu)) |
11742 |
+ notification_mask |= PADATA_CPU_PARALLEL; |
11743 |
+- if (!cpumask_equal(pd_old->cpumask.cbcpu, pd_new->cpumask.cbcpu)) |
11744 |
++ |
11745 |
++ cpumask_copy(pinst->omask, pinst->rcpumask.cbcpu); |
11746 |
++ cpumask_and(pinst->rcpumask.cbcpu, pinst->cpumask.cbcpu, |
11747 |
++ cpu_online_mask); |
11748 |
++ if (cpu >= 0) |
11749 |
++ cpumask_clear_cpu(cpu, pinst->rcpumask.cbcpu); |
11750 |
++ if (!cpumask_equal(pinst->omask, pinst->rcpumask.cbcpu)) |
11751 |
+ notification_mask |= PADATA_CPU_SERIAL; |
11752 |
+ |
11753 |
+- padata_flush_queues(pd_old); |
11754 |
+- padata_free_pd(pd_old); |
11755 |
++ list_for_each_entry(ps, &pinst->pslist, list) { |
11756 |
++ err = padata_replace_one(ps); |
11757 |
++ if (err) |
11758 |
++ break; |
11759 |
++ } |
11760 |
++ |
11761 |
++ synchronize_rcu(); |
11762 |
++ |
11763 |
++ list_for_each_entry_continue_reverse(ps, &pinst->pslist, list) |
11764 |
++ if (atomic_dec_and_test(&ps->opd->refcnt)) |
11765 |
++ padata_free_pd(ps->opd); |
11766 |
+ |
11767 |
+ if (notification_mask) |
11768 |
+ blocking_notifier_call_chain(&pinst->cpumask_change_notifier, |
11769 |
+ notification_mask, |
11770 |
+- &pd_new->cpumask); |
11771 |
++ &pinst->cpumask); |
11772 |
+ |
11773 |
+ pinst->flags &= ~PADATA_RESET; |
11774 |
++ |
11775 |
++ return err; |
11776 |
+ } |
11777 |
+ |
11778 |
+ /** |
11779 |
+@@ -587,7 +608,7 @@ static int __padata_set_cpumasks(struct padata_instance *pinst, |
11780 |
+ cpumask_var_t cbcpumask) |
11781 |
+ { |
11782 |
+ int valid; |
11783 |
+- struct parallel_data *pd; |
11784 |
++ int err; |
11785 |
+ |
11786 |
+ valid = padata_validate_cpumask(pinst, pcpumask); |
11787 |
+ if (!valid) { |
11788 |
+@@ -600,19 +621,15 @@ static int __padata_set_cpumasks(struct padata_instance *pinst, |
11789 |
+ __padata_stop(pinst); |
11790 |
+ |
11791 |
+ out_replace: |
11792 |
+- pd = padata_alloc_pd(pinst, pcpumask, cbcpumask); |
11793 |
+- if (!pd) |
11794 |
+- return -ENOMEM; |
11795 |
+- |
11796 |
+ cpumask_copy(pinst->cpumask.pcpu, pcpumask); |
11797 |
+ cpumask_copy(pinst->cpumask.cbcpu, cbcpumask); |
11798 |
+ |
11799 |
+- padata_replace(pinst, pd); |
11800 |
++ err = padata_setup_cpumasks(pinst) ?: padata_replace(pinst, -1); |
11801 |
+ |
11802 |
+ if (valid) |
11803 |
+ __padata_start(pinst); |
11804 |
+ |
11805 |
+- return 0; |
11806 |
++ return err; |
11807 |
+ } |
11808 |
+ |
11809 |
+ /** |
11810 |
+@@ -695,46 +712,32 @@ EXPORT_SYMBOL(padata_stop); |
11811 |
+ |
11812 |
+ static int __padata_add_cpu(struct padata_instance *pinst, int cpu) |
11813 |
+ { |
11814 |
+- struct parallel_data *pd; |
11815 |
++ int err = 0; |
11816 |
+ |
11817 |
+ if (cpumask_test_cpu(cpu, cpu_online_mask)) { |
11818 |
+- pd = padata_alloc_pd(pinst, pinst->cpumask.pcpu, |
11819 |
+- pinst->cpumask.cbcpu); |
11820 |
+- if (!pd) |
11821 |
+- return -ENOMEM; |
11822 |
+- |
11823 |
+- padata_replace(pinst, pd); |
11824 |
++ err = padata_replace(pinst, -1); |
11825 |
+ |
11826 |
+ if (padata_validate_cpumask(pinst, pinst->cpumask.pcpu) && |
11827 |
+ padata_validate_cpumask(pinst, pinst->cpumask.cbcpu)) |
11828 |
+ __padata_start(pinst); |
11829 |
+ } |
11830 |
+ |
11831 |
+- return 0; |
11832 |
++ return err; |
11833 |
+ } |
11834 |
+ |
11835 |
+ static int __padata_remove_cpu(struct padata_instance *pinst, int cpu) |
11836 |
+ { |
11837 |
+- struct parallel_data *pd = NULL; |
11838 |
++ int err = 0; |
11839 |
+ |
11840 |
+ if (cpumask_test_cpu(cpu, cpu_online_mask)) { |
11841 |
+- |
11842 |
+ if (!padata_validate_cpumask(pinst, pinst->cpumask.pcpu) || |
11843 |
+ !padata_validate_cpumask(pinst, pinst->cpumask.cbcpu)) |
11844 |
+ __padata_stop(pinst); |
11845 |
+ |
11846 |
+- pd = padata_alloc_pd(pinst, pinst->cpumask.pcpu, |
11847 |
+- pinst->cpumask.cbcpu); |
11848 |
+- if (!pd) |
11849 |
+- return -ENOMEM; |
11850 |
+- |
11851 |
+- padata_replace(pinst, pd); |
11852 |
+- |
11853 |
+- cpumask_clear_cpu(cpu, pd->cpumask.cbcpu); |
11854 |
+- cpumask_clear_cpu(cpu, pd->cpumask.pcpu); |
11855 |
++ err = padata_replace(pinst, cpu); |
11856 |
+ } |
11857 |
+ |
11858 |
+- return 0; |
11859 |
++ return err; |
11860 |
+ } |
11861 |
+ |
11862 |
+ /** |
11863 |
+@@ -817,8 +820,12 @@ static void __padata_free(struct padata_instance *pinst) |
11864 |
+ cpuhp_state_remove_instance_nocalls(hp_online, &pinst->node); |
11865 |
+ #endif |
11866 |
+ |
11867 |
++ WARN_ON(!list_empty(&pinst->pslist)); |
11868 |
++ |
11869 |
+ padata_stop(pinst); |
11870 |
+- padata_free_pd(pinst->pd); |
11871 |
++ free_cpumask_var(pinst->omask); |
11872 |
++ free_cpumask_var(pinst->rcpumask.cbcpu); |
11873 |
++ free_cpumask_var(pinst->rcpumask.pcpu); |
11874 |
+ free_cpumask_var(pinst->cpumask.pcpu); |
11875 |
+ free_cpumask_var(pinst->cpumask.cbcpu); |
11876 |
+ destroy_workqueue(pinst->serial_wq); |
11877 |
+@@ -965,7 +972,6 @@ static struct padata_instance *padata_alloc(const char *name, |
11878 |
+ const struct cpumask *cbcpumask) |
11879 |
+ { |
11880 |
+ struct padata_instance *pinst; |
11881 |
+- struct parallel_data *pd = NULL; |
11882 |
+ |
11883 |
+ pinst = kzalloc(sizeof(struct padata_instance), GFP_KERNEL); |
11884 |
+ if (!pinst) |
11885 |
+@@ -993,14 +999,22 @@ static struct padata_instance *padata_alloc(const char *name, |
11886 |
+ !padata_validate_cpumask(pinst, cbcpumask)) |
11887 |
+ goto err_free_masks; |
11888 |
+ |
11889 |
+- pd = padata_alloc_pd(pinst, pcpumask, cbcpumask); |
11890 |
+- if (!pd) |
11891 |
++ if (!alloc_cpumask_var(&pinst->rcpumask.pcpu, GFP_KERNEL)) |
11892 |
+ goto err_free_masks; |
11893 |
++ if (!alloc_cpumask_var(&pinst->rcpumask.cbcpu, GFP_KERNEL)) |
11894 |
++ goto err_free_rcpumask_pcpu; |
11895 |
++ if (!alloc_cpumask_var(&pinst->omask, GFP_KERNEL)) |
11896 |
++ goto err_free_rcpumask_cbcpu; |
11897 |
+ |
11898 |
+- rcu_assign_pointer(pinst->pd, pd); |
11899 |
++ INIT_LIST_HEAD(&pinst->pslist); |
11900 |
+ |
11901 |
+ cpumask_copy(pinst->cpumask.pcpu, pcpumask); |
11902 |
+ cpumask_copy(pinst->cpumask.cbcpu, cbcpumask); |
11903 |
++ cpumask_and(pinst->rcpumask.pcpu, pcpumask, cpu_online_mask); |
11904 |
++ cpumask_and(pinst->rcpumask.cbcpu, cbcpumask, cpu_online_mask); |
11905 |
++ |
11906 |
++ if (padata_setup_cpumasks(pinst)) |
11907 |
++ goto err_free_omask; |
11908 |
+ |
11909 |
+ pinst->flags = 0; |
11910 |
+ |
11911 |
+@@ -1016,6 +1030,12 @@ static struct padata_instance *padata_alloc(const char *name, |
11912 |
+ |
11913 |
+ return pinst; |
11914 |
+ |
11915 |
++err_free_omask: |
11916 |
++ free_cpumask_var(pinst->omask); |
11917 |
++err_free_rcpumask_cbcpu: |
11918 |
++ free_cpumask_var(pinst->rcpumask.cbcpu); |
11919 |
++err_free_rcpumask_pcpu: |
11920 |
++ free_cpumask_var(pinst->rcpumask.pcpu); |
11921 |
+ err_free_masks: |
11922 |
+ free_cpumask_var(pinst->cpumask.pcpu); |
11923 |
+ free_cpumask_var(pinst->cpumask.cbcpu); |
11924 |
+@@ -1054,6 +1074,61 @@ void padata_free(struct padata_instance *pinst) |
11925 |
+ } |
11926 |
+ EXPORT_SYMBOL(padata_free); |
11927 |
+ |
11928 |
++/** |
11929 |
++ * padata_alloc_shell - Allocate and initialize padata shell. |
11930 |
++ * |
11931 |
++ * @pinst: Parent padata_instance object. |
11932 |
++ */ |
11933 |
++struct padata_shell *padata_alloc_shell(struct padata_instance *pinst) |
11934 |
++{ |
11935 |
++ struct parallel_data *pd; |
11936 |
++ struct padata_shell *ps; |
11937 |
++ |
11938 |
++ ps = kzalloc(sizeof(*ps), GFP_KERNEL); |
11939 |
++ if (!ps) |
11940 |
++ goto out; |
11941 |
++ |
11942 |
++ ps->pinst = pinst; |
11943 |
++ |
11944 |
++ get_online_cpus(); |
11945 |
++ pd = padata_alloc_pd(ps); |
11946 |
++ put_online_cpus(); |
11947 |
++ |
11948 |
++ if (!pd) |
11949 |
++ goto out_free_ps; |
11950 |
++ |
11951 |
++ mutex_lock(&pinst->lock); |
11952 |
++ RCU_INIT_POINTER(ps->pd, pd); |
11953 |
++ list_add(&ps->list, &pinst->pslist); |
11954 |
++ mutex_unlock(&pinst->lock); |
11955 |
++ |
11956 |
++ return ps; |
11957 |
++ |
11958 |
++out_free_ps: |
11959 |
++ kfree(ps); |
11960 |
++out: |
11961 |
++ return NULL; |
11962 |
++} |
11963 |
++EXPORT_SYMBOL(padata_alloc_shell); |
11964 |
++ |
11965 |
++/** |
11966 |
++ * padata_free_shell - free a padata shell |
11967 |
++ * |
11968 |
++ * @ps: padata shell to free |
11969 |
++ */ |
11970 |
++void padata_free_shell(struct padata_shell *ps) |
11971 |
++{ |
11972 |
++ struct padata_instance *pinst = ps->pinst; |
11973 |
++ |
11974 |
++ mutex_lock(&pinst->lock); |
11975 |
++ list_del(&ps->list); |
11976 |
++ padata_free_pd(rcu_dereference_protected(ps->pd, 1)); |
11977 |
++ mutex_unlock(&pinst->lock); |
11978 |
++ |
11979 |
++ kfree(ps); |
11980 |
++} |
11981 |
++EXPORT_SYMBOL(padata_free_shell); |
11982 |
++ |
11983 |
+ #ifdef CONFIG_HOTPLUG_CPU |
11984 |
+ |
11985 |
+ static __init int padata_driver_init(void) |
11986 |
+diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c |
11987 |
+index 5dffade2d7cd..21acdff3bd27 100644 |
11988 |
+--- a/kernel/rcu/srcutree.c |
11989 |
++++ b/kernel/rcu/srcutree.c |
11990 |
+@@ -530,7 +530,7 @@ static void srcu_gp_end(struct srcu_struct *ssp) |
11991 |
+ idx = rcu_seq_state(ssp->srcu_gp_seq); |
11992 |
+ WARN_ON_ONCE(idx != SRCU_STATE_SCAN2); |
11993 |
+ cbdelay = srcu_get_delay(ssp); |
11994 |
+- ssp->srcu_last_gp_end = ktime_get_mono_fast_ns(); |
11995 |
++ WRITE_ONCE(ssp->srcu_last_gp_end, ktime_get_mono_fast_ns()); |
11996 |
+ rcu_seq_end(&ssp->srcu_gp_seq); |
11997 |
+ gpseq = rcu_seq_current(&ssp->srcu_gp_seq); |
11998 |
+ if (ULONG_CMP_LT(ssp->srcu_gp_seq_needed_exp, gpseq)) |
11999 |
+@@ -762,6 +762,7 @@ static bool srcu_might_be_idle(struct srcu_struct *ssp) |
12000 |
+ unsigned long flags; |
12001 |
+ struct srcu_data *sdp; |
12002 |
+ unsigned long t; |
12003 |
++ unsigned long tlast; |
12004 |
+ |
12005 |
+ /* If the local srcu_data structure has callbacks, not idle. */ |
12006 |
+ local_irq_save(flags); |
12007 |
+@@ -780,9 +781,9 @@ static bool srcu_might_be_idle(struct srcu_struct *ssp) |
12008 |
+ |
12009 |
+ /* First, see if enough time has passed since the last GP. */ |
12010 |
+ t = ktime_get_mono_fast_ns(); |
12011 |
++ tlast = READ_ONCE(ssp->srcu_last_gp_end); |
12012 |
+ if (exp_holdoff == 0 || |
12013 |
+- time_in_range_open(t, ssp->srcu_last_gp_end, |
12014 |
+- ssp->srcu_last_gp_end + exp_holdoff)) |
12015 |
++ time_in_range_open(t, tlast, tlast + exp_holdoff)) |
12016 |
+ return false; /* Too soon after last GP. */ |
12017 |
+ |
12018 |
+ /* Next, check for probable idleness. */ |
12019 |
+diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h |
12020 |
+index d632cd019597..69c5aa64fcfd 100644 |
12021 |
+--- a/kernel/rcu/tree_exp.h |
12022 |
++++ b/kernel/rcu/tree_exp.h |
12023 |
+@@ -134,7 +134,7 @@ static void __maybe_unused sync_exp_reset_tree(void) |
12024 |
+ rcu_for_each_node_breadth_first(rnp) { |
12025 |
+ raw_spin_lock_irqsave_rcu_node(rnp, flags); |
12026 |
+ WARN_ON_ONCE(rnp->expmask); |
12027 |
+- rnp->expmask = rnp->expmaskinit; |
12028 |
++ WRITE_ONCE(rnp->expmask, rnp->expmaskinit); |
12029 |
+ raw_spin_unlock_irqrestore_rcu_node(rnp, flags); |
12030 |
+ } |
12031 |
+ } |
12032 |
+@@ -211,7 +211,7 @@ static void __rcu_report_exp_rnp(struct rcu_node *rnp, |
12033 |
+ rnp = rnp->parent; |
12034 |
+ raw_spin_lock_rcu_node(rnp); /* irqs already disabled */ |
12035 |
+ WARN_ON_ONCE(!(rnp->expmask & mask)); |
12036 |
+- rnp->expmask &= ~mask; |
12037 |
++ WRITE_ONCE(rnp->expmask, rnp->expmask & ~mask); |
12038 |
+ } |
12039 |
+ } |
12040 |
+ |
12041 |
+@@ -241,7 +241,7 @@ static void rcu_report_exp_cpu_mult(struct rcu_node *rnp, |
12042 |
+ raw_spin_unlock_irqrestore_rcu_node(rnp, flags); |
12043 |
+ return; |
12044 |
+ } |
12045 |
+- rnp->expmask &= ~mask; |
12046 |
++ WRITE_ONCE(rnp->expmask, rnp->expmask & ~mask); |
12047 |
+ __rcu_report_exp_rnp(rnp, wake, flags); /* Releases rnp->lock. */ |
12048 |
+ } |
12049 |
+ |
12050 |
+@@ -372,12 +372,10 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp) |
12051 |
+ raw_spin_unlock_irqrestore_rcu_node(rnp, flags); |
12052 |
+ |
12053 |
+ /* IPI the remaining CPUs for expedited quiescent state. */ |
12054 |
+- for_each_leaf_node_cpu_mask(rnp, cpu, rnp->expmask) { |
12055 |
++ for_each_leaf_node_cpu_mask(rnp, cpu, mask_ofl_ipi) { |
12056 |
+ unsigned long mask = leaf_node_cpu_bit(rnp, cpu); |
12057 |
+ struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu); |
12058 |
+ |
12059 |
+- if (!(mask_ofl_ipi & mask)) |
12060 |
+- continue; |
12061 |
+ retry_ipi: |
12062 |
+ if (rcu_dynticks_in_eqs_since(rdp, rdp->exp_dynticks_snap)) { |
12063 |
+ mask_ofl_test |= mask; |
12064 |
+@@ -491,7 +489,7 @@ static void synchronize_sched_expedited_wait(void) |
12065 |
+ struct rcu_data *rdp; |
12066 |
+ |
12067 |
+ mask = leaf_node_cpu_bit(rnp, cpu); |
12068 |
+- if (!(rnp->expmask & mask)) |
12069 |
++ if (!(READ_ONCE(rnp->expmask) & mask)) |
12070 |
+ continue; |
12071 |
+ ndetected++; |
12072 |
+ rdp = per_cpu_ptr(&rcu_data, cpu); |
12073 |
+@@ -503,7 +501,8 @@ static void synchronize_sched_expedited_wait(void) |
12074 |
+ } |
12075 |
+ pr_cont(" } %lu jiffies s: %lu root: %#lx/%c\n", |
12076 |
+ jiffies - jiffies_start, rcu_state.expedited_sequence, |
12077 |
+- rnp_root->expmask, ".T"[!!rnp_root->exp_tasks]); |
12078 |
++ READ_ONCE(rnp_root->expmask), |
12079 |
++ ".T"[!!rnp_root->exp_tasks]); |
12080 |
+ if (ndetected) { |
12081 |
+ pr_err("blocking rcu_node structures:"); |
12082 |
+ rcu_for_each_node_breadth_first(rnp) { |
12083 |
+@@ -513,7 +512,7 @@ static void synchronize_sched_expedited_wait(void) |
12084 |
+ continue; |
12085 |
+ pr_cont(" l=%u:%d-%d:%#lx/%c", |
12086 |
+ rnp->level, rnp->grplo, rnp->grphi, |
12087 |
+- rnp->expmask, |
12088 |
++ READ_ONCE(rnp->expmask), |
12089 |
+ ".T"[!!rnp->exp_tasks]); |
12090 |
+ } |
12091 |
+ pr_cont("\n"); |
12092 |
+@@ -521,7 +520,7 @@ static void synchronize_sched_expedited_wait(void) |
12093 |
+ rcu_for_each_leaf_node(rnp) { |
12094 |
+ for_each_leaf_node_possible_cpu(rnp, cpu) { |
12095 |
+ mask = leaf_node_cpu_bit(rnp, cpu); |
12096 |
+- if (!(rnp->expmask & mask)) |
12097 |
++ if (!(READ_ONCE(rnp->expmask) & mask)) |
12098 |
+ continue; |
12099 |
+ dump_cpu_task(cpu); |
12100 |
+ } |
12101 |
+diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h |
12102 |
+index fa08d55f7040..f849e7429816 100644 |
12103 |
+--- a/kernel/rcu/tree_plugin.h |
12104 |
++++ b/kernel/rcu/tree_plugin.h |
12105 |
+@@ -220,7 +220,7 @@ static void rcu_preempt_ctxt_queue(struct rcu_node *rnp, struct rcu_data *rdp) |
12106 |
+ * blocked tasks. |
12107 |
+ */ |
12108 |
+ if (!rnp->gp_tasks && (blkd_state & RCU_GP_BLKD)) { |
12109 |
+- rnp->gp_tasks = &t->rcu_node_entry; |
12110 |
++ WRITE_ONCE(rnp->gp_tasks, &t->rcu_node_entry); |
12111 |
+ WARN_ON_ONCE(rnp->completedqs == rnp->gp_seq); |
12112 |
+ } |
12113 |
+ if (!rnp->exp_tasks && (blkd_state & RCU_EXP_BLKD)) |
12114 |
+@@ -340,7 +340,7 @@ EXPORT_SYMBOL_GPL(rcu_note_context_switch); |
12115 |
+ */ |
12116 |
+ static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp) |
12117 |
+ { |
12118 |
+- return rnp->gp_tasks != NULL; |
12119 |
++ return READ_ONCE(rnp->gp_tasks) != NULL; |
12120 |
+ } |
12121 |
+ |
12122 |
+ /* Bias and limit values for ->rcu_read_lock_nesting. */ |
12123 |
+@@ -493,7 +493,7 @@ rcu_preempt_deferred_qs_irqrestore(struct task_struct *t, unsigned long flags) |
12124 |
+ trace_rcu_unlock_preempted_task(TPS("rcu_preempt"), |
12125 |
+ rnp->gp_seq, t->pid); |
12126 |
+ if (&t->rcu_node_entry == rnp->gp_tasks) |
12127 |
+- rnp->gp_tasks = np; |
12128 |
++ WRITE_ONCE(rnp->gp_tasks, np); |
12129 |
+ if (&t->rcu_node_entry == rnp->exp_tasks) |
12130 |
+ rnp->exp_tasks = np; |
12131 |
+ if (IS_ENABLED(CONFIG_RCU_BOOST)) { |
12132 |
+@@ -612,7 +612,7 @@ static void rcu_read_unlock_special(struct task_struct *t) |
12133 |
+ |
12134 |
+ t->rcu_read_unlock_special.b.exp_hint = false; |
12135 |
+ exp = (t->rcu_blocked_node && t->rcu_blocked_node->exp_tasks) || |
12136 |
+- (rdp->grpmask & rnp->expmask) || |
12137 |
++ (rdp->grpmask & READ_ONCE(rnp->expmask)) || |
12138 |
+ tick_nohz_full_cpu(rdp->cpu); |
12139 |
+ // Need to defer quiescent state until everything is enabled. |
12140 |
+ if (irqs_were_disabled && use_softirq && |
12141 |
+@@ -663,7 +663,7 @@ static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp) |
12142 |
+ dump_blkd_tasks(rnp, 10); |
12143 |
+ if (rcu_preempt_has_tasks(rnp) && |
12144 |
+ (rnp->qsmaskinit || rnp->wait_blkd_tasks)) { |
12145 |
+- rnp->gp_tasks = rnp->blkd_tasks.next; |
12146 |
++ WRITE_ONCE(rnp->gp_tasks, rnp->blkd_tasks.next); |
12147 |
+ t = container_of(rnp->gp_tasks, struct task_struct, |
12148 |
+ rcu_node_entry); |
12149 |
+ trace_rcu_unlock_preempted_task(TPS("rcu_preempt-GPS"), |
12150 |
+@@ -757,7 +757,8 @@ dump_blkd_tasks(struct rcu_node *rnp, int ncheck) |
12151 |
+ pr_info("%s: %d:%d ->qsmask %#lx ->qsmaskinit %#lx ->qsmaskinitnext %#lx\n", |
12152 |
+ __func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext); |
12153 |
+ pr_info("%s: ->gp_tasks %p ->boost_tasks %p ->exp_tasks %p\n", |
12154 |
+- __func__, rnp->gp_tasks, rnp->boost_tasks, rnp->exp_tasks); |
12155 |
++ __func__, READ_ONCE(rnp->gp_tasks), rnp->boost_tasks, |
12156 |
++ rnp->exp_tasks); |
12157 |
+ pr_info("%s: ->blkd_tasks", __func__); |
12158 |
+ i = 0; |
12159 |
+ list_for_each(lhp, &rnp->blkd_tasks) { |
12160 |
+diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c |
12161 |
+index 451f9d05ccfe..4b11f0309eee 100644 |
12162 |
+--- a/kernel/time/alarmtimer.c |
12163 |
++++ b/kernel/time/alarmtimer.c |
12164 |
+@@ -88,6 +88,7 @@ static int alarmtimer_rtc_add_device(struct device *dev, |
12165 |
+ unsigned long flags; |
12166 |
+ struct rtc_device *rtc = to_rtc_device(dev); |
12167 |
+ struct wakeup_source *__ws; |
12168 |
++ int ret = 0; |
12169 |
+ |
12170 |
+ if (rtcdev) |
12171 |
+ return -EBUSY; |
12172 |
+@@ -102,8 +103,8 @@ static int alarmtimer_rtc_add_device(struct device *dev, |
12173 |
+ spin_lock_irqsave(&rtcdev_lock, flags); |
12174 |
+ if (!rtcdev) { |
12175 |
+ if (!try_module_get(rtc->owner)) { |
12176 |
+- spin_unlock_irqrestore(&rtcdev_lock, flags); |
12177 |
+- return -1; |
12178 |
++ ret = -1; |
12179 |
++ goto unlock; |
12180 |
+ } |
12181 |
+ |
12182 |
+ rtcdev = rtc; |
12183 |
+@@ -112,11 +113,12 @@ static int alarmtimer_rtc_add_device(struct device *dev, |
12184 |
+ ws = __ws; |
12185 |
+ __ws = NULL; |
12186 |
+ } |
12187 |
++unlock: |
12188 |
+ spin_unlock_irqrestore(&rtcdev_lock, flags); |
12189 |
+ |
12190 |
+ wakeup_source_unregister(__ws); |
12191 |
+ |
12192 |
+- return 0; |
12193 |
++ return ret; |
12194 |
+ } |
12195 |
+ |
12196 |
+ static inline void alarmtimer_rtc_timer_init(void) |
12197 |
+diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c |
12198 |
+index fff5f64981c6..428beb69426a 100644 |
12199 |
+--- a/kernel/time/clocksource.c |
12200 |
++++ b/kernel/time/clocksource.c |
12201 |
+@@ -293,8 +293,15 @@ static void clocksource_watchdog(struct timer_list *unused) |
12202 |
+ next_cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask); |
12203 |
+ if (next_cpu >= nr_cpu_ids) |
12204 |
+ next_cpu = cpumask_first(cpu_online_mask); |
12205 |
+- watchdog_timer.expires += WATCHDOG_INTERVAL; |
12206 |
+- add_timer_on(&watchdog_timer, next_cpu); |
12207 |
++ |
12208 |
++ /* |
12209 |
++ * Arm timer if not already pending: could race with concurrent |
12210 |
++ * pair clocksource_stop_watchdog() clocksource_start_watchdog(). |
12211 |
++ */ |
12212 |
++ if (!timer_pending(&watchdog_timer)) { |
12213 |
++ watchdog_timer.expires += WATCHDOG_INTERVAL; |
12214 |
++ add_timer_on(&watchdog_timer, next_cpu); |
12215 |
++ } |
12216 |
+ out: |
12217 |
+ spin_unlock(&watchdog_lock); |
12218 |
+ } |
12219 |
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c |
12220 |
+index 0708a41cfe2d..407d8bf4ed93 100644 |
12221 |
+--- a/kernel/trace/ftrace.c |
12222 |
++++ b/kernel/trace/ftrace.c |
12223 |
+@@ -5102,8 +5102,8 @@ static const struct file_operations ftrace_notrace_fops = { |
12224 |
+ |
12225 |
+ static DEFINE_MUTEX(graph_lock); |
12226 |
+ |
12227 |
+-struct ftrace_hash *ftrace_graph_hash = EMPTY_HASH; |
12228 |
+-struct ftrace_hash *ftrace_graph_notrace_hash = EMPTY_HASH; |
12229 |
++struct ftrace_hash __rcu *ftrace_graph_hash = EMPTY_HASH; |
12230 |
++struct ftrace_hash __rcu *ftrace_graph_notrace_hash = EMPTY_HASH; |
12231 |
+ |
12232 |
+ enum graph_filter_type { |
12233 |
+ GRAPH_FILTER_NOTRACE = 0, |
12234 |
+@@ -5378,8 +5378,15 @@ ftrace_graph_release(struct inode *inode, struct file *file) |
12235 |
+ |
12236 |
+ mutex_unlock(&graph_lock); |
12237 |
+ |
12238 |
+- /* Wait till all users are no longer using the old hash */ |
12239 |
+- synchronize_rcu(); |
12240 |
++ /* |
12241 |
++ * We need to do a hard force of sched synchronization. |
12242 |
++ * This is because we use preempt_disable() to do RCU, but |
12243 |
++ * the function tracers can be called where RCU is not watching |
12244 |
++ * (like before user_exit()). We can not rely on the RCU |
12245 |
++ * infrastructure to do the synchronization, thus we must do it |
12246 |
++ * ourselves. |
12247 |
++ */ |
12248 |
++ schedule_on_each_cpu(ftrace_sync); |
12249 |
+ |
12250 |
+ free_ftrace_hash(old_hash); |
12251 |
+ } |
12252 |
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h |
12253 |
+index d685c61085c0..a3c29d5fcc61 100644 |
12254 |
+--- a/kernel/trace/trace.h |
12255 |
++++ b/kernel/trace/trace.h |
12256 |
+@@ -932,22 +932,31 @@ extern void __trace_graph_return(struct trace_array *tr, |
12257 |
+ unsigned long flags, int pc); |
12258 |
+ |
12259 |
+ #ifdef CONFIG_DYNAMIC_FTRACE |
12260 |
+-extern struct ftrace_hash *ftrace_graph_hash; |
12261 |
+-extern struct ftrace_hash *ftrace_graph_notrace_hash; |
12262 |
++extern struct ftrace_hash __rcu *ftrace_graph_hash; |
12263 |
++extern struct ftrace_hash __rcu *ftrace_graph_notrace_hash; |
12264 |
+ |
12265 |
+ static inline int ftrace_graph_addr(struct ftrace_graph_ent *trace) |
12266 |
+ { |
12267 |
+ unsigned long addr = trace->func; |
12268 |
+ int ret = 0; |
12269 |
++ struct ftrace_hash *hash; |
12270 |
+ |
12271 |
+ preempt_disable_notrace(); |
12272 |
+ |
12273 |
+- if (ftrace_hash_empty(ftrace_graph_hash)) { |
12274 |
++ /* |
12275 |
++ * Have to open code "rcu_dereference_sched()" because the |
12276 |
++ * function graph tracer can be called when RCU is not |
12277 |
++ * "watching". |
12278 |
++ * Protected with schedule_on_each_cpu(ftrace_sync) |
12279 |
++ */ |
12280 |
++ hash = rcu_dereference_protected(ftrace_graph_hash, !preemptible()); |
12281 |
++ |
12282 |
++ if (ftrace_hash_empty(hash)) { |
12283 |
+ ret = 1; |
12284 |
+ goto out; |
12285 |
+ } |
12286 |
+ |
12287 |
+- if (ftrace_lookup_ip(ftrace_graph_hash, addr)) { |
12288 |
++ if (ftrace_lookup_ip(hash, addr)) { |
12289 |
+ |
12290 |
+ /* |
12291 |
+ * This needs to be cleared on the return functions |
12292 |
+@@ -983,10 +992,20 @@ static inline void ftrace_graph_addr_finish(struct ftrace_graph_ret *trace) |
12293 |
+ static inline int ftrace_graph_notrace_addr(unsigned long addr) |
12294 |
+ { |
12295 |
+ int ret = 0; |
12296 |
++ struct ftrace_hash *notrace_hash; |
12297 |
+ |
12298 |
+ preempt_disable_notrace(); |
12299 |
+ |
12300 |
+- if (ftrace_lookup_ip(ftrace_graph_notrace_hash, addr)) |
12301 |
++ /* |
12302 |
++ * Have to open code "rcu_dereference_sched()" because the |
12303 |
++ * function graph tracer can be called when RCU is not |
12304 |
++ * "watching". |
12305 |
++ * Protected with schedule_on_each_cpu(ftrace_sync) |
12306 |
++ */ |
12307 |
++ notrace_hash = rcu_dereference_protected(ftrace_graph_notrace_hash, |
12308 |
++ !preemptible()); |
12309 |
++ |
12310 |
++ if (ftrace_lookup_ip(notrace_hash, addr)) |
12311 |
+ ret = 1; |
12312 |
+ |
12313 |
+ preempt_enable_notrace(); |
12314 |
+diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c |
12315 |
+index 205692181e7b..4be7fc84d6b6 100644 |
12316 |
+--- a/kernel/trace/trace_events_hist.c |
12317 |
++++ b/kernel/trace/trace_events_hist.c |
12318 |
+@@ -470,11 +470,12 @@ struct action_data { |
12319 |
+ * When a histogram trigger is hit, the values of any |
12320 |
+ * references to variables, including variables being passed |
12321 |
+ * as parameters to synthetic events, are collected into a |
12322 |
+- * var_ref_vals array. This var_ref_idx is the index of the |
12323 |
+- * first param in the array to be passed to the synthetic |
12324 |
+- * event invocation. |
12325 |
++ * var_ref_vals array. This var_ref_idx array is an array of |
12326 |
++ * indices into the var_ref_vals array, one for each synthetic |
12327 |
++ * event param, and is passed to the synthetic event |
12328 |
++ * invocation. |
12329 |
+ */ |
12330 |
+- unsigned int var_ref_idx; |
12331 |
++ unsigned int var_ref_idx[TRACING_MAP_VARS_MAX]; |
12332 |
+ struct synth_event *synth_event; |
12333 |
+ bool use_trace_keyword; |
12334 |
+ char *synth_event_name; |
12335 |
+@@ -875,14 +876,14 @@ static struct trace_event_functions synth_event_funcs = { |
12336 |
+ |
12337 |
+ static notrace void trace_event_raw_event_synth(void *__data, |
12338 |
+ u64 *var_ref_vals, |
12339 |
+- unsigned int var_ref_idx) |
12340 |
++ unsigned int *var_ref_idx) |
12341 |
+ { |
12342 |
+ struct trace_event_file *trace_file = __data; |
12343 |
+ struct synth_trace_event *entry; |
12344 |
+ struct trace_event_buffer fbuffer; |
12345 |
+ struct ring_buffer *buffer; |
12346 |
+ struct synth_event *event; |
12347 |
+- unsigned int i, n_u64; |
12348 |
++ unsigned int i, n_u64, val_idx; |
12349 |
+ int fields_size = 0; |
12350 |
+ |
12351 |
+ event = trace_file->event_call->data; |
12352 |
+@@ -905,15 +906,16 @@ static notrace void trace_event_raw_event_synth(void *__data, |
12353 |
+ goto out; |
12354 |
+ |
12355 |
+ for (i = 0, n_u64 = 0; i < event->n_fields; i++) { |
12356 |
++ val_idx = var_ref_idx[i]; |
12357 |
+ if (event->fields[i]->is_string) { |
12358 |
+- char *str_val = (char *)(long)var_ref_vals[var_ref_idx + i]; |
12359 |
++ char *str_val = (char *)(long)var_ref_vals[val_idx]; |
12360 |
+ char *str_field = (char *)&entry->fields[n_u64]; |
12361 |
+ |
12362 |
+ strscpy(str_field, str_val, STR_VAR_LEN_MAX); |
12363 |
+ n_u64 += STR_VAR_LEN_MAX / sizeof(u64); |
12364 |
+ } else { |
12365 |
+ struct synth_field *field = event->fields[i]; |
12366 |
+- u64 val = var_ref_vals[var_ref_idx + i]; |
12367 |
++ u64 val = var_ref_vals[val_idx]; |
12368 |
+ |
12369 |
+ switch (field->size) { |
12370 |
+ case 1: |
12371 |
+@@ -1113,10 +1115,10 @@ static struct tracepoint *alloc_synth_tracepoint(char *name) |
12372 |
+ } |
12373 |
+ |
12374 |
+ typedef void (*synth_probe_func_t) (void *__data, u64 *var_ref_vals, |
12375 |
+- unsigned int var_ref_idx); |
12376 |
++ unsigned int *var_ref_idx); |
12377 |
+ |
12378 |
+ static inline void trace_synth(struct synth_event *event, u64 *var_ref_vals, |
12379 |
+- unsigned int var_ref_idx) |
12380 |
++ unsigned int *var_ref_idx) |
12381 |
+ { |
12382 |
+ struct tracepoint *tp = event->tp; |
12383 |
+ |
12384 |
+@@ -2655,6 +2657,22 @@ static int init_var_ref(struct hist_field *ref_field, |
12385 |
+ goto out; |
12386 |
+ } |
12387 |
+ |
12388 |
++static int find_var_ref_idx(struct hist_trigger_data *hist_data, |
12389 |
++ struct hist_field *var_field) |
12390 |
++{ |
12391 |
++ struct hist_field *ref_field; |
12392 |
++ int i; |
12393 |
++ |
12394 |
++ for (i = 0; i < hist_data->n_var_refs; i++) { |
12395 |
++ ref_field = hist_data->var_refs[i]; |
12396 |
++ if (ref_field->var.idx == var_field->var.idx && |
12397 |
++ ref_field->var.hist_data == var_field->hist_data) |
12398 |
++ return i; |
12399 |
++ } |
12400 |
++ |
12401 |
++ return -ENOENT; |
12402 |
++} |
12403 |
++ |
12404 |
+ /** |
12405 |
+ * create_var_ref - Create a variable reference and attach it to trigger |
12406 |
+ * @hist_data: The trigger that will be referencing the variable |
12407 |
+@@ -4228,11 +4246,11 @@ static int trace_action_create(struct hist_trigger_data *hist_data, |
12408 |
+ struct trace_array *tr = hist_data->event_file->tr; |
12409 |
+ char *event_name, *param, *system = NULL; |
12410 |
+ struct hist_field *hist_field, *var_ref; |
12411 |
+- unsigned int i, var_ref_idx; |
12412 |
++ unsigned int i; |
12413 |
+ unsigned int field_pos = 0; |
12414 |
+ struct synth_event *event; |
12415 |
+ char *synth_event_name; |
12416 |
+- int ret = 0; |
12417 |
++ int var_ref_idx, ret = 0; |
12418 |
+ |
12419 |
+ lockdep_assert_held(&event_mutex); |
12420 |
+ |
12421 |
+@@ -4249,8 +4267,6 @@ static int trace_action_create(struct hist_trigger_data *hist_data, |
12422 |
+ |
12423 |
+ event->ref++; |
12424 |
+ |
12425 |
+- var_ref_idx = hist_data->n_var_refs; |
12426 |
+- |
12427 |
+ for (i = 0; i < data->n_params; i++) { |
12428 |
+ char *p; |
12429 |
+ |
12430 |
+@@ -4299,6 +4315,14 @@ static int trace_action_create(struct hist_trigger_data *hist_data, |
12431 |
+ goto err; |
12432 |
+ } |
12433 |
+ |
12434 |
++ var_ref_idx = find_var_ref_idx(hist_data, var_ref); |
12435 |
++ if (WARN_ON(var_ref_idx < 0)) { |
12436 |
++ ret = var_ref_idx; |
12437 |
++ goto err; |
12438 |
++ } |
12439 |
++ |
12440 |
++ data->var_ref_idx[i] = var_ref_idx; |
12441 |
++ |
12442 |
+ field_pos++; |
12443 |
+ kfree(p); |
12444 |
+ continue; |
12445 |
+@@ -4317,7 +4341,6 @@ static int trace_action_create(struct hist_trigger_data *hist_data, |
12446 |
+ } |
12447 |
+ |
12448 |
+ data->synth_event = event; |
12449 |
+- data->var_ref_idx = var_ref_idx; |
12450 |
+ out: |
12451 |
+ return ret; |
12452 |
+ err: |
12453 |
+diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c |
12454 |
+index 9ae87be422f2..ab8b6436d53f 100644 |
12455 |
+--- a/kernel/trace/trace_probe.c |
12456 |
++++ b/kernel/trace/trace_probe.c |
12457 |
+@@ -876,7 +876,8 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len, |
12458 |
+ for (i = 0; i < tp->nr_args; i++) { |
12459 |
+ parg = tp->args + i; |
12460 |
+ if (parg->count) { |
12461 |
+- if (strcmp(parg->type->name, "string") == 0) |
12462 |
++ if ((strcmp(parg->type->name, "string") == 0) || |
12463 |
++ (strcmp(parg->type->name, "ustring") == 0)) |
12464 |
+ fmt = ", __get_str(%s[%d])"; |
12465 |
+ else |
12466 |
+ fmt = ", REC->%s[%d]"; |
12467 |
+@@ -884,7 +885,8 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len, |
12468 |
+ pos += snprintf(buf + pos, LEN_OR_ZERO, |
12469 |
+ fmt, parg->name, j); |
12470 |
+ } else { |
12471 |
+- if (strcmp(parg->type->name, "string") == 0) |
12472 |
++ if ((strcmp(parg->type->name, "string") == 0) || |
12473 |
++ (strcmp(parg->type->name, "ustring") == 0)) |
12474 |
+ fmt = ", __get_str(%s)"; |
12475 |
+ else |
12476 |
+ fmt = ", REC->%s"; |
12477 |
+diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c |
12478 |
+index e288168661e1..e304196d7c28 100644 |
12479 |
+--- a/kernel/trace/trace_sched_switch.c |
12480 |
++++ b/kernel/trace/trace_sched_switch.c |
12481 |
+@@ -89,8 +89,10 @@ static void tracing_sched_unregister(void) |
12482 |
+ |
12483 |
+ static void tracing_start_sched_switch(int ops) |
12484 |
+ { |
12485 |
+- bool sched_register = (!sched_cmdline_ref && !sched_tgid_ref); |
12486 |
++ bool sched_register; |
12487 |
++ |
12488 |
+ mutex_lock(&sched_register_mutex); |
12489 |
++ sched_register = (!sched_cmdline_ref && !sched_tgid_ref); |
12490 |
+ |
12491 |
+ switch (ops) { |
12492 |
+ case RECORD_CMDLINE: |
12493 |
+diff --git a/lib/test_kasan.c b/lib/test_kasan.c |
12494 |
+index 49cc4d570a40..bd3d9ef7d39e 100644 |
12495 |
+--- a/lib/test_kasan.c |
12496 |
++++ b/lib/test_kasan.c |
12497 |
+@@ -157,6 +157,7 @@ static noinline void __init kmalloc_oob_krealloc_more(void) |
12498 |
+ if (!ptr1 || !ptr2) { |
12499 |
+ pr_err("Allocation failed\n"); |
12500 |
+ kfree(ptr1); |
12501 |
++ kfree(ptr2); |
12502 |
+ return; |
12503 |
+ } |
12504 |
+ |
12505 |
+diff --git a/mm/backing-dev.c b/mm/backing-dev.c |
12506 |
+index c360f6a6c844..62f05f605fb5 100644 |
12507 |
+--- a/mm/backing-dev.c |
12508 |
++++ b/mm/backing-dev.c |
12509 |
+@@ -21,6 +21,7 @@ struct backing_dev_info noop_backing_dev_info = { |
12510 |
+ EXPORT_SYMBOL_GPL(noop_backing_dev_info); |
12511 |
+ |
12512 |
+ static struct class *bdi_class; |
12513 |
++const char *bdi_unknown_name = "(unknown)"; |
12514 |
+ |
12515 |
+ /* |
12516 |
+ * bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU |
12517 |
+diff --git a/mm/memcontrol.c b/mm/memcontrol.c |
12518 |
+index ef4e9eb572a4..b5b4e310fe70 100644 |
12519 |
+--- a/mm/memcontrol.c |
12520 |
++++ b/mm/memcontrol.c |
12521 |
+@@ -5465,14 +5465,6 @@ static int mem_cgroup_move_account(struct page *page, |
12522 |
+ __mod_lruvec_state(to_vec, NR_WRITEBACK, nr_pages); |
12523 |
+ } |
12524 |
+ |
12525 |
+-#ifdef CONFIG_TRANSPARENT_HUGEPAGE |
12526 |
+- if (compound && !list_empty(page_deferred_list(page))) { |
12527 |
+- spin_lock(&from->deferred_split_queue.split_queue_lock); |
12528 |
+- list_del_init(page_deferred_list(page)); |
12529 |
+- from->deferred_split_queue.split_queue_len--; |
12530 |
+- spin_unlock(&from->deferred_split_queue.split_queue_lock); |
12531 |
+- } |
12532 |
+-#endif |
12533 |
+ /* |
12534 |
+ * It is safe to change page->mem_cgroup here because the page |
12535 |
+ * is referenced, charged, and isolated - we can't race with |
12536 |
+@@ -5482,16 +5474,6 @@ static int mem_cgroup_move_account(struct page *page, |
12537 |
+ /* caller should have done css_get */ |
12538 |
+ page->mem_cgroup = to; |
12539 |
+ |
12540 |
+-#ifdef CONFIG_TRANSPARENT_HUGEPAGE |
12541 |
+- if (compound && list_empty(page_deferred_list(page))) { |
12542 |
+- spin_lock(&to->deferred_split_queue.split_queue_lock); |
12543 |
+- list_add_tail(page_deferred_list(page), |
12544 |
+- &to->deferred_split_queue.split_queue); |
12545 |
+- to->deferred_split_queue.split_queue_len++; |
12546 |
+- spin_unlock(&to->deferred_split_queue.split_queue_lock); |
12547 |
+- } |
12548 |
+-#endif |
12549 |
+- |
12550 |
+ spin_unlock_irqrestore(&from->move_lock, flags); |
12551 |
+ |
12552 |
+ ret = 0; |
12553 |
+diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c |
12554 |
+index fab540685279..0aa154be3a52 100644 |
12555 |
+--- a/mm/memory_hotplug.c |
12556 |
++++ b/mm/memory_hotplug.c |
12557 |
+@@ -1738,8 +1738,6 @@ static int __ref try_remove_memory(int nid, u64 start, u64 size) |
12558 |
+ |
12559 |
+ BUG_ON(check_hotplug_memory_range(start, size)); |
12560 |
+ |
12561 |
+- mem_hotplug_begin(); |
12562 |
+- |
12563 |
+ /* |
12564 |
+ * All memory blocks must be offlined before removing memory. Check |
12565 |
+ * whether all memory blocks in question are offline and return error |
12566 |
+@@ -1754,9 +1752,14 @@ static int __ref try_remove_memory(int nid, u64 start, u64 size) |
12567 |
+ memblock_free(start, size); |
12568 |
+ memblock_remove(start, size); |
12569 |
+ |
12570 |
+- /* remove memory block devices before removing memory */ |
12571 |
++ /* |
12572 |
++ * Memory block device removal under the device_hotplug_lock is |
12573 |
++ * a barrier against racing online attempts. |
12574 |
++ */ |
12575 |
+ remove_memory_block_devices(start, size); |
12576 |
+ |
12577 |
++ mem_hotplug_begin(); |
12578 |
++ |
12579 |
+ arch_remove_memory(nid, start, size, NULL); |
12580 |
+ __release_memory_resource(start, size); |
12581 |
+ |
12582 |
+diff --git a/mm/migrate.c b/mm/migrate.c |
12583 |
+index 6956627ebf8b..c4c313e47f12 100644 |
12584 |
+--- a/mm/migrate.c |
12585 |
++++ b/mm/migrate.c |
12586 |
+@@ -1631,8 +1631,19 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes, |
12587 |
+ start = i; |
12588 |
+ } else if (node != current_node) { |
12589 |
+ err = do_move_pages_to_node(mm, &pagelist, current_node); |
12590 |
+- if (err) |
12591 |
++ if (err) { |
12592 |
++ /* |
12593 |
++ * Positive err means the number of failed |
12594 |
++ * pages to migrate. Since we are going to |
12595 |
++ * abort and return the number of non-migrated |
12596 |
++ * pages, so need to incude the rest of the |
12597 |
++ * nr_pages that have not been attempted as |
12598 |
++ * well. |
12599 |
++ */ |
12600 |
++ if (err > 0) |
12601 |
++ err += nr_pages - i - 1; |
12602 |
+ goto out; |
12603 |
++ } |
12604 |
+ err = store_status(status, start, current_node, i - start); |
12605 |
+ if (err) |
12606 |
+ goto out; |
12607 |
+@@ -1663,8 +1674,11 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes, |
12608 |
+ goto out_flush; |
12609 |
+ |
12610 |
+ err = do_move_pages_to_node(mm, &pagelist, current_node); |
12611 |
+- if (err) |
12612 |
++ if (err) { |
12613 |
++ if (err > 0) |
12614 |
++ err += nr_pages - i - 1; |
12615 |
+ goto out; |
12616 |
++ } |
12617 |
+ if (i > start) { |
12618 |
+ err = store_status(status, start, current_node, i - start); |
12619 |
+ if (err) |
12620 |
+@@ -1678,6 +1692,13 @@ out_flush: |
12621 |
+ |
12622 |
+ /* Make sure we do not overwrite the existing error */ |
12623 |
+ err1 = do_move_pages_to_node(mm, &pagelist, current_node); |
12624 |
++ /* |
12625 |
++ * Don't have to report non-attempted pages here since: |
12626 |
++ * - If the above loop is done gracefully all pages have been |
12627 |
++ * attempted. |
12628 |
++ * - If the above loop is aborted it means a fatal error |
12629 |
++ * happened, should return ret. |
12630 |
++ */ |
12631 |
+ if (!err1) |
12632 |
+ err1 = store_status(status, start, current_node, i - start); |
12633 |
+ if (err >= 0) |
12634 |
+diff --git a/mm/mmu_gather.c b/mm/mmu_gather.c |
12635 |
+index 7d70e5c78f97..7c1b8f67af7b 100644 |
12636 |
+--- a/mm/mmu_gather.c |
12637 |
++++ b/mm/mmu_gather.c |
12638 |
+@@ -102,14 +102,14 @@ bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_ |
12639 |
+ */ |
12640 |
+ static inline void tlb_table_invalidate(struct mmu_gather *tlb) |
12641 |
+ { |
12642 |
+-#ifndef CONFIG_HAVE_RCU_TABLE_NO_INVALIDATE |
12643 |
+- /* |
12644 |
+- * Invalidate page-table caches used by hardware walkers. Then we still |
12645 |
+- * need to RCU-sched wait while freeing the pages because software |
12646 |
+- * walkers can still be in-flight. |
12647 |
+- */ |
12648 |
+- tlb_flush_mmu_tlbonly(tlb); |
12649 |
+-#endif |
12650 |
++ if (tlb_needs_table_invalidate()) { |
12651 |
++ /* |
12652 |
++ * Invalidate page-table caches used by hardware walkers. Then |
12653 |
++ * we still need to RCU-sched wait while freeing the pages |
12654 |
++ * because software walkers can still be in-flight. |
12655 |
++ */ |
12656 |
++ tlb_flush_mmu_tlbonly(tlb); |
12657 |
++ } |
12658 |
+ } |
12659 |
+ |
12660 |
+ static void tlb_remove_table_smp_sync(void *arg) |
12661 |
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c |
12662 |
+index 45e39131a716..d387ca74cb5a 100644 |
12663 |
+--- a/mm/page_alloc.c |
12664 |
++++ b/mm/page_alloc.c |
12665 |
+@@ -6933,7 +6933,8 @@ static u64 zero_pfn_range(unsigned long spfn, unsigned long epfn) |
12666 |
+ * This function also addresses a similar issue where struct pages are left |
12667 |
+ * uninitialized because the physical address range is not covered by |
12668 |
+ * memblock.memory or memblock.reserved. That could happen when memblock |
12669 |
+- * layout is manually configured via memmap=. |
12670 |
++ * layout is manually configured via memmap=, or when the highest physical |
12671 |
++ * address (max_pfn) does not end on a section boundary. |
12672 |
+ */ |
12673 |
+ void __init zero_resv_unavail(void) |
12674 |
+ { |
12675 |
+@@ -6951,7 +6952,16 @@ void __init zero_resv_unavail(void) |
12676 |
+ pgcnt += zero_pfn_range(PFN_DOWN(next), PFN_UP(start)); |
12677 |
+ next = end; |
12678 |
+ } |
12679 |
+- pgcnt += zero_pfn_range(PFN_DOWN(next), max_pfn); |
12680 |
++ |
12681 |
++ /* |
12682 |
++ * Early sections always have a fully populated memmap for the whole |
12683 |
++ * section - see pfn_valid(). If the last section has holes at the |
12684 |
++ * end and that section is marked "online", the memmap will be |
12685 |
++ * considered initialized. Make sure that memmap has a well defined |
12686 |
++ * state. |
12687 |
++ */ |
12688 |
++ pgcnt += zero_pfn_range(PFN_DOWN(next), |
12689 |
++ round_up(max_pfn, PAGES_PER_SECTION)); |
12690 |
+ |
12691 |
+ /* |
12692 |
+ * Struct pages that do not have backing memory. This could be because |
12693 |
+diff --git a/mm/sparse.c b/mm/sparse.c |
12694 |
+index 1100fdb9649c..69b41b6046a5 100644 |
12695 |
+--- a/mm/sparse.c |
12696 |
++++ b/mm/sparse.c |
12697 |
+@@ -787,7 +787,7 @@ static void section_deactivate(unsigned long pfn, unsigned long nr_pages, |
12698 |
+ ms->usage = NULL; |
12699 |
+ } |
12700 |
+ memmap = sparse_decode_mem_map(ms->section_mem_map, section_nr); |
12701 |
+- ms->section_mem_map = sparse_encode_mem_map(NULL, section_nr); |
12702 |
++ ms->section_mem_map = (unsigned long)NULL; |
12703 |
+ } |
12704 |
+ |
12705 |
+ if (section_is_early && memmap) |
12706 |
+diff --git a/net/core/devlink.c b/net/core/devlink.c |
12707 |
+index ae614965c8c2..61bc67047f56 100644 |
12708 |
+--- a/net/core/devlink.c |
12709 |
++++ b/net/core/devlink.c |
12710 |
+@@ -3863,6 +3863,12 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, |
12711 |
+ goto out_unlock; |
12712 |
+ } |
12713 |
+ |
12714 |
++ /* return 0 if there is no further data to read */ |
12715 |
++ if (start_offset >= region->size) { |
12716 |
++ err = 0; |
12717 |
++ goto out_unlock; |
12718 |
++ } |
12719 |
++ |
12720 |
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, |
12721 |
+ &devlink_nl_family, NLM_F_ACK | NLM_F_MULTI, |
12722 |
+ DEVLINK_CMD_REGION_READ); |
12723 |
+diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c |
12724 |
+index 536e032d95c8..246a258b1fac 100644 |
12725 |
+--- a/net/core/drop_monitor.c |
12726 |
++++ b/net/core/drop_monitor.c |
12727 |
+@@ -1004,8 +1004,10 @@ static void net_dm_hw_monitor_stop(struct netlink_ext_ack *extack) |
12728 |
+ { |
12729 |
+ int cpu; |
12730 |
+ |
12731 |
+- if (!monitor_hw) |
12732 |
++ if (!monitor_hw) { |
12733 |
+ NL_SET_ERR_MSG_MOD(extack, "Hardware monitoring already disabled"); |
12734 |
++ return; |
12735 |
++ } |
12736 |
+ |
12737 |
+ monitor_hw = false; |
12738 |
+ |
12739 |
+diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c |
12740 |
+index ee561297d8a7..fbfd0db182b7 100644 |
12741 |
+--- a/net/hsr/hsr_slave.c |
12742 |
++++ b/net/hsr/hsr_slave.c |
12743 |
+@@ -27,6 +27,8 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb) |
12744 |
+ |
12745 |
+ rcu_read_lock(); /* hsr->node_db, hsr->ports */ |
12746 |
+ port = hsr_port_get_rcu(skb->dev); |
12747 |
++ if (!port) |
12748 |
++ goto finish_pass; |
12749 |
+ |
12750 |
+ if (hsr_addr_is_self(port->hsr, eth_hdr(skb)->h_source)) { |
12751 |
+ /* Directly kill frames sent by ourselves */ |
12752 |
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c |
12753 |
+index 3640e8563a10..deb466fc3d1f 100644 |
12754 |
+--- a/net/ipv4/tcp.c |
12755 |
++++ b/net/ipv4/tcp.c |
12756 |
+@@ -2618,10 +2618,12 @@ int tcp_disconnect(struct sock *sk, int flags) |
12757 |
+ tp->snd_cwnd = TCP_INIT_CWND; |
12758 |
+ tp->snd_cwnd_cnt = 0; |
12759 |
+ tp->window_clamp = 0; |
12760 |
++ tp->delivered = 0; |
12761 |
+ tp->delivered_ce = 0; |
12762 |
+ tcp_set_ca_state(sk, TCP_CA_Open); |
12763 |
+ tp->is_sack_reneg = 0; |
12764 |
+ tcp_clear_retrans(tp); |
12765 |
++ tp->total_retrans = 0; |
12766 |
+ inet_csk_delack_init(sk); |
12767 |
+ /* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0 |
12768 |
+ * issue in __tcp_select_window() |
12769 |
+@@ -2633,10 +2635,14 @@ int tcp_disconnect(struct sock *sk, int flags) |
12770 |
+ sk->sk_rx_dst = NULL; |
12771 |
+ tcp_saved_syn_free(tp); |
12772 |
+ tp->compressed_ack = 0; |
12773 |
++ tp->segs_in = 0; |
12774 |
++ tp->segs_out = 0; |
12775 |
+ tp->bytes_sent = 0; |
12776 |
+ tp->bytes_acked = 0; |
12777 |
+ tp->bytes_received = 0; |
12778 |
+ tp->bytes_retrans = 0; |
12779 |
++ tp->data_segs_in = 0; |
12780 |
++ tp->data_segs_out = 0; |
12781 |
+ tp->duplicate_sack[0].start_seq = 0; |
12782 |
+ tp->duplicate_sack[0].end_seq = 0; |
12783 |
+ tp->dsack_dups = 0; |
12784 |
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c |
12785 |
+index f9b5690e94fd..b11ccb53c7e0 100644 |
12786 |
+--- a/net/ipv6/addrconf.c |
12787 |
++++ b/net/ipv6/addrconf.c |
12788 |
+@@ -5719,6 +5719,9 @@ static int inet6_set_link_af(struct net_device *dev, const struct nlattr *nla) |
12789 |
+ struct nlattr *tb[IFLA_INET6_MAX + 1]; |
12790 |
+ int err; |
12791 |
+ |
12792 |
++ if (!idev) |
12793 |
++ return -EAFNOSUPPORT; |
12794 |
++ |
12795 |
+ if (nla_parse_nested_deprecated(tb, IFLA_INET6_MAX, nla, NULL, NULL) < 0) |
12796 |
+ BUG(); |
12797 |
+ |
12798 |
+diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c |
12799 |
+index f82ea12bac37..425b95eb7e87 100644 |
12800 |
+--- a/net/l2tp/l2tp_core.c |
12801 |
++++ b/net/l2tp/l2tp_core.c |
12802 |
+@@ -322,8 +322,13 @@ int l2tp_session_register(struct l2tp_session *session, |
12803 |
+ |
12804 |
+ spin_lock_bh(&pn->l2tp_session_hlist_lock); |
12805 |
+ |
12806 |
++ /* IP encap expects session IDs to be globally unique, while |
12807 |
++ * UDP encap doesn't. |
12808 |
++ */ |
12809 |
+ hlist_for_each_entry(session_walk, g_head, global_hlist) |
12810 |
+- if (session_walk->session_id == session->session_id) { |
12811 |
++ if (session_walk->session_id == session->session_id && |
12812 |
++ (session_walk->tunnel->encap == L2TP_ENCAPTYPE_IP || |
12813 |
++ tunnel->encap == L2TP_ENCAPTYPE_IP)) { |
12814 |
+ err = -EEXIST; |
12815 |
+ goto err_tlock_pnlock; |
12816 |
+ } |
12817 |
+diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c |
12818 |
+index d8143a8c034d..a9df9dac57b2 100644 |
12819 |
+--- a/net/netfilter/ipset/ip_set_core.c |
12820 |
++++ b/net/netfilter/ipset/ip_set_core.c |
12821 |
+@@ -1293,31 +1293,34 @@ ip_set_dump_policy[IPSET_ATTR_CMD_MAX + 1] = { |
12822 |
+ }; |
12823 |
+ |
12824 |
+ static int |
12825 |
+-dump_init(struct netlink_callback *cb, struct ip_set_net *inst) |
12826 |
++ip_set_dump_start(struct netlink_callback *cb) |
12827 |
+ { |
12828 |
+ struct nlmsghdr *nlh = nlmsg_hdr(cb->skb); |
12829 |
+ int min_len = nlmsg_total_size(sizeof(struct nfgenmsg)); |
12830 |
+ struct nlattr *cda[IPSET_ATTR_CMD_MAX + 1]; |
12831 |
+ struct nlattr *attr = (void *)nlh + min_len; |
12832 |
++ struct sk_buff *skb = cb->skb; |
12833 |
++ struct ip_set_net *inst = ip_set_pernet(sock_net(skb->sk)); |
12834 |
+ u32 dump_type; |
12835 |
+- ip_set_id_t index; |
12836 |
+ int ret; |
12837 |
+ |
12838 |
+ ret = nla_parse(cda, IPSET_ATTR_CMD_MAX, attr, |
12839 |
+ nlh->nlmsg_len - min_len, |
12840 |
+ ip_set_dump_policy, NULL); |
12841 |
+ if (ret) |
12842 |
+- return ret; |
12843 |
++ goto error; |
12844 |
+ |
12845 |
+ cb->args[IPSET_CB_PROTO] = nla_get_u8(cda[IPSET_ATTR_PROTOCOL]); |
12846 |
+ if (cda[IPSET_ATTR_SETNAME]) { |
12847 |
++ ip_set_id_t index; |
12848 |
+ struct ip_set *set; |
12849 |
+ |
12850 |
+ set = find_set_and_id(inst, nla_data(cda[IPSET_ATTR_SETNAME]), |
12851 |
+ &index); |
12852 |
+- if (!set) |
12853 |
+- return -ENOENT; |
12854 |
+- |
12855 |
++ if (!set) { |
12856 |
++ ret = -ENOENT; |
12857 |
++ goto error; |
12858 |
++ } |
12859 |
+ dump_type = DUMP_ONE; |
12860 |
+ cb->args[IPSET_CB_INDEX] = index; |
12861 |
+ } else { |
12862 |
+@@ -1333,10 +1336,17 @@ dump_init(struct netlink_callback *cb, struct ip_set_net *inst) |
12863 |
+ cb->args[IPSET_CB_DUMP] = dump_type; |
12864 |
+ |
12865 |
+ return 0; |
12866 |
++ |
12867 |
++error: |
12868 |
++ /* We have to create and send the error message manually :-( */ |
12869 |
++ if (nlh->nlmsg_flags & NLM_F_ACK) { |
12870 |
++ netlink_ack(cb->skb, nlh, ret, NULL); |
12871 |
++ } |
12872 |
++ return ret; |
12873 |
+ } |
12874 |
+ |
12875 |
+ static int |
12876 |
+-ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb) |
12877 |
++ip_set_dump_do(struct sk_buff *skb, struct netlink_callback *cb) |
12878 |
+ { |
12879 |
+ ip_set_id_t index = IPSET_INVALID_ID, max; |
12880 |
+ struct ip_set *set = NULL; |
12881 |
+@@ -1347,18 +1357,8 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb) |
12882 |
+ bool is_destroyed; |
12883 |
+ int ret = 0; |
12884 |
+ |
12885 |
+- if (!cb->args[IPSET_CB_DUMP]) { |
12886 |
+- ret = dump_init(cb, inst); |
12887 |
+- if (ret < 0) { |
12888 |
+- nlh = nlmsg_hdr(cb->skb); |
12889 |
+- /* We have to create and send the error message |
12890 |
+- * manually :-( |
12891 |
+- */ |
12892 |
+- if (nlh->nlmsg_flags & NLM_F_ACK) |
12893 |
+- netlink_ack(cb->skb, nlh, ret, NULL); |
12894 |
+- return ret; |
12895 |
+- } |
12896 |
+- } |
12897 |
++ if (!cb->args[IPSET_CB_DUMP]) |
12898 |
++ return -EINVAL; |
12899 |
+ |
12900 |
+ if (cb->args[IPSET_CB_INDEX] >= inst->ip_set_max) |
12901 |
+ goto out; |
12902 |
+@@ -1494,7 +1494,8 @@ static int ip_set_dump(struct net *net, struct sock *ctnl, struct sk_buff *skb, |
12903 |
+ |
12904 |
+ { |
12905 |
+ struct netlink_dump_control c = { |
12906 |
+- .dump = ip_set_dump_start, |
12907 |
++ .start = ip_set_dump_start, |
12908 |
++ .dump = ip_set_dump_do, |
12909 |
+ .done = ip_set_dump_done, |
12910 |
+ }; |
12911 |
+ return netlink_dump_start(ctnl, skb, nlh, &c); |
12912 |
+diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c |
12913 |
+index d72ddb67bb74..4a6ca9723a12 100644 |
12914 |
+--- a/net/rxrpc/af_rxrpc.c |
12915 |
++++ b/net/rxrpc/af_rxrpc.c |
12916 |
+@@ -194,6 +194,7 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len) |
12917 |
+ service_in_use: |
12918 |
+ write_unlock(&local->services_lock); |
12919 |
+ rxrpc_unuse_local(local); |
12920 |
++ rxrpc_put_local(local); |
12921 |
+ ret = -EADDRINUSE; |
12922 |
+ error_unlock: |
12923 |
+ release_sock(&rx->sk); |
12924 |
+@@ -899,6 +900,7 @@ static int rxrpc_release_sock(struct sock *sk) |
12925 |
+ rxrpc_purge_queue(&sk->sk_receive_queue); |
12926 |
+ |
12927 |
+ rxrpc_unuse_local(rx->local); |
12928 |
++ rxrpc_put_local(rx->local); |
12929 |
+ rx->local = NULL; |
12930 |
+ key_put(rx->key); |
12931 |
+ rx->key = NULL; |
12932 |
+diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h |
12933 |
+index 5e99df80e80a..7d730c438404 100644 |
12934 |
+--- a/net/rxrpc/ar-internal.h |
12935 |
++++ b/net/rxrpc/ar-internal.h |
12936 |
+@@ -490,6 +490,7 @@ enum rxrpc_call_flag { |
12937 |
+ RXRPC_CALL_RX_HEARD, /* The peer responded at least once to this call */ |
12938 |
+ RXRPC_CALL_RX_UNDERRUN, /* Got data underrun */ |
12939 |
+ RXRPC_CALL_IS_INTR, /* The call is interruptible */ |
12940 |
++ RXRPC_CALL_DISCONNECTED, /* The call has been disconnected */ |
12941 |
+ }; |
12942 |
+ |
12943 |
+ /* |
12944 |
+@@ -1021,6 +1022,16 @@ void rxrpc_unuse_local(struct rxrpc_local *); |
12945 |
+ void rxrpc_queue_local(struct rxrpc_local *); |
12946 |
+ void rxrpc_destroy_all_locals(struct rxrpc_net *); |
12947 |
+ |
12948 |
++static inline bool __rxrpc_unuse_local(struct rxrpc_local *local) |
12949 |
++{ |
12950 |
++ return atomic_dec_return(&local->active_users) == 0; |
12951 |
++} |
12952 |
++ |
12953 |
++static inline bool __rxrpc_use_local(struct rxrpc_local *local) |
12954 |
++{ |
12955 |
++ return atomic_fetch_add_unless(&local->active_users, 1, 0) != 0; |
12956 |
++} |
12957 |
++ |
12958 |
+ /* |
12959 |
+ * misc.c |
12960 |
+ */ |
12961 |
+diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c |
12962 |
+index a31c18c09894..dbdbc4f18b5e 100644 |
12963 |
+--- a/net/rxrpc/call_object.c |
12964 |
++++ b/net/rxrpc/call_object.c |
12965 |
+@@ -493,7 +493,7 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call) |
12966 |
+ |
12967 |
+ _debug("RELEASE CALL %p (%d CONN %p)", call, call->debug_id, conn); |
12968 |
+ |
12969 |
+- if (conn) |
12970 |
++ if (conn && !test_bit(RXRPC_CALL_DISCONNECTED, &call->flags)) |
12971 |
+ rxrpc_disconnect_call(call); |
12972 |
+ if (call->security) |
12973 |
+ call->security->free_call_crypto(call); |
12974 |
+@@ -569,6 +569,7 @@ static void rxrpc_rcu_destroy_call(struct rcu_head *rcu) |
12975 |
+ struct rxrpc_call *call = container_of(rcu, struct rxrpc_call, rcu); |
12976 |
+ struct rxrpc_net *rxnet = call->rxnet; |
12977 |
+ |
12978 |
++ rxrpc_put_connection(call->conn); |
12979 |
+ rxrpc_put_peer(call->peer); |
12980 |
+ kfree(call->rxtx_buffer); |
12981 |
+ kfree(call->rxtx_annotations); |
12982 |
+@@ -590,7 +591,6 @@ void rxrpc_cleanup_call(struct rxrpc_call *call) |
12983 |
+ |
12984 |
+ ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE); |
12985 |
+ ASSERT(test_bit(RXRPC_CALL_RELEASED, &call->flags)); |
12986 |
+- ASSERTCMP(call->conn, ==, NULL); |
12987 |
+ |
12988 |
+ rxrpc_cleanup_ring(call); |
12989 |
+ rxrpc_free_skb(call->tx_pending, rxrpc_skb_cleaned); |
12990 |
+diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c |
12991 |
+index 376370cd9285..ea7d4c21f889 100644 |
12992 |
+--- a/net/rxrpc/conn_client.c |
12993 |
++++ b/net/rxrpc/conn_client.c |
12994 |
+@@ -785,6 +785,7 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *call) |
12995 |
+ u32 cid; |
12996 |
+ |
12997 |
+ spin_lock(&conn->channel_lock); |
12998 |
++ set_bit(RXRPC_CALL_DISCONNECTED, &call->flags); |
12999 |
+ |
13000 |
+ cid = call->cid; |
13001 |
+ if (cid) { |
13002 |
+@@ -792,7 +793,6 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *call) |
13003 |
+ chan = &conn->channels[channel]; |
13004 |
+ } |
13005 |
+ trace_rxrpc_client(conn, channel, rxrpc_client_chan_disconnect); |
13006 |
+- call->conn = NULL; |
13007 |
+ |
13008 |
+ /* Calls that have never actually been assigned a channel can simply be |
13009 |
+ * discarded. If the conn didn't get used either, it will follow |
13010 |
+@@ -908,7 +908,6 @@ out: |
13011 |
+ spin_unlock(&rxnet->client_conn_cache_lock); |
13012 |
+ out_2: |
13013 |
+ spin_unlock(&conn->channel_lock); |
13014 |
+- rxrpc_put_connection(conn); |
13015 |
+ _leave(""); |
13016 |
+ return; |
13017 |
+ |
13018 |
+diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c |
13019 |
+index 808a4723f868..06fcff2ebbba 100644 |
13020 |
+--- a/net/rxrpc/conn_event.c |
13021 |
++++ b/net/rxrpc/conn_event.c |
13022 |
+@@ -438,16 +438,12 @@ again: |
13023 |
+ /* |
13024 |
+ * connection-level event processor |
13025 |
+ */ |
13026 |
+-void rxrpc_process_connection(struct work_struct *work) |
13027 |
++static void rxrpc_do_process_connection(struct rxrpc_connection *conn) |
13028 |
+ { |
13029 |
+- struct rxrpc_connection *conn = |
13030 |
+- container_of(work, struct rxrpc_connection, processor); |
13031 |
+ struct sk_buff *skb; |
13032 |
+ u32 abort_code = RX_PROTOCOL_ERROR; |
13033 |
+ int ret; |
13034 |
+ |
13035 |
+- rxrpc_see_connection(conn); |
13036 |
+- |
13037 |
+ if (test_and_clear_bit(RXRPC_CONN_EV_CHALLENGE, &conn->events)) |
13038 |
+ rxrpc_secure_connection(conn); |
13039 |
+ |
13040 |
+@@ -475,18 +471,32 @@ void rxrpc_process_connection(struct work_struct *work) |
13041 |
+ } |
13042 |
+ } |
13043 |
+ |
13044 |
+-out: |
13045 |
+- rxrpc_put_connection(conn); |
13046 |
+- _leave(""); |
13047 |
+ return; |
13048 |
+ |
13049 |
+ requeue_and_leave: |
13050 |
+ skb_queue_head(&conn->rx_queue, skb); |
13051 |
+- goto out; |
13052 |
++ return; |
13053 |
+ |
13054 |
+ protocol_error: |
13055 |
+ if (rxrpc_abort_connection(conn, ret, abort_code) < 0) |
13056 |
+ goto requeue_and_leave; |
13057 |
+ rxrpc_free_skb(skb, rxrpc_skb_freed); |
13058 |
+- goto out; |
13059 |
++ return; |
13060 |
++} |
13061 |
++ |
13062 |
++void rxrpc_process_connection(struct work_struct *work) |
13063 |
++{ |
13064 |
++ struct rxrpc_connection *conn = |
13065 |
++ container_of(work, struct rxrpc_connection, processor); |
13066 |
++ |
13067 |
++ rxrpc_see_connection(conn); |
13068 |
++ |
13069 |
++ if (__rxrpc_use_local(conn->params.local)) { |
13070 |
++ rxrpc_do_process_connection(conn); |
13071 |
++ rxrpc_unuse_local(conn->params.local); |
13072 |
++ } |
13073 |
++ |
13074 |
++ rxrpc_put_connection(conn); |
13075 |
++ _leave(""); |
13076 |
++ return; |
13077 |
+ } |
13078 |
+diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c |
13079 |
+index 38d718e90dc6..19e141eeed17 100644 |
13080 |
+--- a/net/rxrpc/conn_object.c |
13081 |
++++ b/net/rxrpc/conn_object.c |
13082 |
+@@ -223,9 +223,8 @@ void rxrpc_disconnect_call(struct rxrpc_call *call) |
13083 |
+ __rxrpc_disconnect_call(conn, call); |
13084 |
+ spin_unlock(&conn->channel_lock); |
13085 |
+ |
13086 |
+- call->conn = NULL; |
13087 |
++ set_bit(RXRPC_CALL_DISCONNECTED, &call->flags); |
13088 |
+ conn->idle_timestamp = jiffies; |
13089 |
+- rxrpc_put_connection(conn); |
13090 |
+ } |
13091 |
+ |
13092 |
+ /* |
13093 |
+diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c |
13094 |
+index 96d54e5bf7bc..ef10fbf71b15 100644 |
13095 |
+--- a/net/rxrpc/input.c |
13096 |
++++ b/net/rxrpc/input.c |
13097 |
+@@ -599,10 +599,8 @@ ack: |
13098 |
+ false, true, |
13099 |
+ rxrpc_propose_ack_input_data); |
13100 |
+ |
13101 |
+- if (seq0 == READ_ONCE(call->rx_hard_ack) + 1) { |
13102 |
+- trace_rxrpc_notify_socket(call->debug_id, serial); |
13103 |
+- rxrpc_notify_socket(call); |
13104 |
+- } |
13105 |
++ trace_rxrpc_notify_socket(call->debug_id, serial); |
13106 |
++ rxrpc_notify_socket(call); |
13107 |
+ |
13108 |
+ unlock: |
13109 |
+ spin_unlock(&call->input_lock); |
13110 |
+diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c |
13111 |
+index 36587260cabd..a6c1349e965d 100644 |
13112 |
+--- a/net/rxrpc/local_object.c |
13113 |
++++ b/net/rxrpc/local_object.c |
13114 |
+@@ -364,11 +364,14 @@ void rxrpc_queue_local(struct rxrpc_local *local) |
13115 |
+ void rxrpc_put_local(struct rxrpc_local *local) |
13116 |
+ { |
13117 |
+ const void *here = __builtin_return_address(0); |
13118 |
++ unsigned int debug_id; |
13119 |
+ int n; |
13120 |
+ |
13121 |
+ if (local) { |
13122 |
++ debug_id = local->debug_id; |
13123 |
++ |
13124 |
+ n = atomic_dec_return(&local->usage); |
13125 |
+- trace_rxrpc_local(local->debug_id, rxrpc_local_put, n, here); |
13126 |
++ trace_rxrpc_local(debug_id, rxrpc_local_put, n, here); |
13127 |
+ |
13128 |
+ if (n == 0) |
13129 |
+ call_rcu(&local->rcu, rxrpc_local_rcu); |
13130 |
+@@ -380,14 +383,11 @@ void rxrpc_put_local(struct rxrpc_local *local) |
13131 |
+ */ |
13132 |
+ struct rxrpc_local *rxrpc_use_local(struct rxrpc_local *local) |
13133 |
+ { |
13134 |
+- unsigned int au; |
13135 |
+- |
13136 |
+ local = rxrpc_get_local_maybe(local); |
13137 |
+ if (!local) |
13138 |
+ return NULL; |
13139 |
+ |
13140 |
+- au = atomic_fetch_add_unless(&local->active_users, 1, 0); |
13141 |
+- if (au == 0) { |
13142 |
++ if (!__rxrpc_use_local(local)) { |
13143 |
+ rxrpc_put_local(local); |
13144 |
+ return NULL; |
13145 |
+ } |
13146 |
+@@ -401,14 +401,11 @@ struct rxrpc_local *rxrpc_use_local(struct rxrpc_local *local) |
13147 |
+ */ |
13148 |
+ void rxrpc_unuse_local(struct rxrpc_local *local) |
13149 |
+ { |
13150 |
+- unsigned int au; |
13151 |
+- |
13152 |
+ if (local) { |
13153 |
+- au = atomic_dec_return(&local->active_users); |
13154 |
+- if (au == 0) |
13155 |
++ if (__rxrpc_unuse_local(local)) { |
13156 |
++ rxrpc_get_local(local); |
13157 |
+ rxrpc_queue_local(local); |
13158 |
+- else |
13159 |
+- rxrpc_put_local(local); |
13160 |
++ } |
13161 |
+ } |
13162 |
+ } |
13163 |
+ |
13164 |
+@@ -465,7 +462,7 @@ static void rxrpc_local_processor(struct work_struct *work) |
13165 |
+ |
13166 |
+ do { |
13167 |
+ again = false; |
13168 |
+- if (atomic_read(&local->active_users) == 0) { |
13169 |
++ if (!__rxrpc_use_local(local)) { |
13170 |
+ rxrpc_local_destroyer(local); |
13171 |
+ break; |
13172 |
+ } |
13173 |
+@@ -479,6 +476,8 @@ static void rxrpc_local_processor(struct work_struct *work) |
13174 |
+ rxrpc_process_local_events(local); |
13175 |
+ again = true; |
13176 |
+ } |
13177 |
++ |
13178 |
++ __rxrpc_unuse_local(local); |
13179 |
+ } while (again); |
13180 |
+ |
13181 |
+ rxrpc_put_local(local); |
13182 |
+diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c |
13183 |
+index 935bb60fff56..bad3d2420344 100644 |
13184 |
+--- a/net/rxrpc/output.c |
13185 |
++++ b/net/rxrpc/output.c |
13186 |
+@@ -129,7 +129,7 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, |
13187 |
+ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, |
13188 |
+ rxrpc_serial_t *_serial) |
13189 |
+ { |
13190 |
+- struct rxrpc_connection *conn = NULL; |
13191 |
++ struct rxrpc_connection *conn; |
13192 |
+ struct rxrpc_ack_buffer *pkt; |
13193 |
+ struct msghdr msg; |
13194 |
+ struct kvec iov[2]; |
13195 |
+@@ -139,18 +139,14 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, |
13196 |
+ int ret; |
13197 |
+ u8 reason; |
13198 |
+ |
13199 |
+- spin_lock_bh(&call->lock); |
13200 |
+- if (call->conn) |
13201 |
+- conn = rxrpc_get_connection_maybe(call->conn); |
13202 |
+- spin_unlock_bh(&call->lock); |
13203 |
+- if (!conn) |
13204 |
++ if (test_bit(RXRPC_CALL_DISCONNECTED, &call->flags)) |
13205 |
+ return -ECONNRESET; |
13206 |
+ |
13207 |
+ pkt = kzalloc(sizeof(*pkt), GFP_KERNEL); |
13208 |
+- if (!pkt) { |
13209 |
+- rxrpc_put_connection(conn); |
13210 |
++ if (!pkt) |
13211 |
+ return -ENOMEM; |
13212 |
+- } |
13213 |
++ |
13214 |
++ conn = call->conn; |
13215 |
+ |
13216 |
+ msg.msg_name = &call->peer->srx.transport; |
13217 |
+ msg.msg_namelen = call->peer->srx.transport_len; |
13218 |
+@@ -244,7 +240,6 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, |
13219 |
+ } |
13220 |
+ |
13221 |
+ out: |
13222 |
+- rxrpc_put_connection(conn); |
13223 |
+ kfree(pkt); |
13224 |
+ return ret; |
13225 |
+ } |
13226 |
+@@ -254,7 +249,7 @@ out: |
13227 |
+ */ |
13228 |
+ int rxrpc_send_abort_packet(struct rxrpc_call *call) |
13229 |
+ { |
13230 |
+- struct rxrpc_connection *conn = NULL; |
13231 |
++ struct rxrpc_connection *conn; |
13232 |
+ struct rxrpc_abort_buffer pkt; |
13233 |
+ struct msghdr msg; |
13234 |
+ struct kvec iov[1]; |
13235 |
+@@ -271,13 +266,11 @@ int rxrpc_send_abort_packet(struct rxrpc_call *call) |
13236 |
+ test_bit(RXRPC_CALL_TX_LAST, &call->flags)) |
13237 |
+ return 0; |
13238 |
+ |
13239 |
+- spin_lock_bh(&call->lock); |
13240 |
+- if (call->conn) |
13241 |
+- conn = rxrpc_get_connection_maybe(call->conn); |
13242 |
+- spin_unlock_bh(&call->lock); |
13243 |
+- if (!conn) |
13244 |
++ if (test_bit(RXRPC_CALL_DISCONNECTED, &call->flags)) |
13245 |
+ return -ECONNRESET; |
13246 |
+ |
13247 |
++ conn = call->conn; |
13248 |
++ |
13249 |
+ msg.msg_name = &call->peer->srx.transport; |
13250 |
+ msg.msg_namelen = call->peer->srx.transport_len; |
13251 |
+ msg.msg_control = NULL; |
13252 |
+@@ -312,8 +305,6 @@ int rxrpc_send_abort_packet(struct rxrpc_call *call) |
13253 |
+ trace_rxrpc_tx_packet(call->debug_id, &pkt.whdr, |
13254 |
+ rxrpc_tx_point_call_abort); |
13255 |
+ rxrpc_tx_backoff(call, ret); |
13256 |
+- |
13257 |
+- rxrpc_put_connection(conn); |
13258 |
+ return ret; |
13259 |
+ } |
13260 |
+ |
13261 |
+diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c |
13262 |
+index 48f67a9b1037..923b263c401b 100644 |
13263 |
+--- a/net/rxrpc/peer_event.c |
13264 |
++++ b/net/rxrpc/peer_event.c |
13265 |
+@@ -364,27 +364,31 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet, |
13266 |
+ if (!rxrpc_get_peer_maybe(peer)) |
13267 |
+ continue; |
13268 |
+ |
13269 |
+- spin_unlock_bh(&rxnet->peer_hash_lock); |
13270 |
+- |
13271 |
+- keepalive_at = peer->last_tx_at + RXRPC_KEEPALIVE_TIME; |
13272 |
+- slot = keepalive_at - base; |
13273 |
+- _debug("%02x peer %u t=%d {%pISp}", |
13274 |
+- cursor, peer->debug_id, slot, &peer->srx.transport); |
13275 |
++ if (__rxrpc_use_local(peer->local)) { |
13276 |
++ spin_unlock_bh(&rxnet->peer_hash_lock); |
13277 |
++ |
13278 |
++ keepalive_at = peer->last_tx_at + RXRPC_KEEPALIVE_TIME; |
13279 |
++ slot = keepalive_at - base; |
13280 |
++ _debug("%02x peer %u t=%d {%pISp}", |
13281 |
++ cursor, peer->debug_id, slot, &peer->srx.transport); |
13282 |
++ |
13283 |
++ if (keepalive_at <= base || |
13284 |
++ keepalive_at > base + RXRPC_KEEPALIVE_TIME) { |
13285 |
++ rxrpc_send_keepalive(peer); |
13286 |
++ slot = RXRPC_KEEPALIVE_TIME; |
13287 |
++ } |
13288 |
+ |
13289 |
+- if (keepalive_at <= base || |
13290 |
+- keepalive_at > base + RXRPC_KEEPALIVE_TIME) { |
13291 |
+- rxrpc_send_keepalive(peer); |
13292 |
+- slot = RXRPC_KEEPALIVE_TIME; |
13293 |
++ /* A transmission to this peer occurred since last we |
13294 |
++ * examined it so put it into the appropriate future |
13295 |
++ * bucket. |
13296 |
++ */ |
13297 |
++ slot += cursor; |
13298 |
++ slot &= mask; |
13299 |
++ spin_lock_bh(&rxnet->peer_hash_lock); |
13300 |
++ list_add_tail(&peer->keepalive_link, |
13301 |
++ &rxnet->peer_keepalive[slot & mask]); |
13302 |
++ rxrpc_unuse_local(peer->local); |
13303 |
+ } |
13304 |
+- |
13305 |
+- /* A transmission to this peer occurred since last we examined |
13306 |
+- * it so put it into the appropriate future bucket. |
13307 |
+- */ |
13308 |
+- slot += cursor; |
13309 |
+- slot &= mask; |
13310 |
+- spin_lock_bh(&rxnet->peer_hash_lock); |
13311 |
+- list_add_tail(&peer->keepalive_link, |
13312 |
+- &rxnet->peer_keepalive[slot & mask]); |
13313 |
+ rxrpc_put_peer_locked(peer); |
13314 |
+ } |
13315 |
+ |
13316 |
+diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h |
13317 |
+index c22624131949..d36949d9382c 100644 |
13318 |
+--- a/net/sched/cls_rsvp.h |
13319 |
++++ b/net/sched/cls_rsvp.h |
13320 |
+@@ -463,10 +463,8 @@ static u32 gen_tunnel(struct rsvp_head *data) |
13321 |
+ |
13322 |
+ static const struct nla_policy rsvp_policy[TCA_RSVP_MAX + 1] = { |
13323 |
+ [TCA_RSVP_CLASSID] = { .type = NLA_U32 }, |
13324 |
+- [TCA_RSVP_DST] = { .type = NLA_BINARY, |
13325 |
+- .len = RSVP_DST_LEN * sizeof(u32) }, |
13326 |
+- [TCA_RSVP_SRC] = { .type = NLA_BINARY, |
13327 |
+- .len = RSVP_DST_LEN * sizeof(u32) }, |
13328 |
++ [TCA_RSVP_DST] = { .len = RSVP_DST_LEN * sizeof(u32) }, |
13329 |
++ [TCA_RSVP_SRC] = { .len = RSVP_DST_LEN * sizeof(u32) }, |
13330 |
+ [TCA_RSVP_PINFO] = { .len = sizeof(struct tc_rsvp_pinfo) }, |
13331 |
+ }; |
13332 |
+ |
13333 |
+diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c |
13334 |
+index 3d4a1280352f..09b7dc5fe7e0 100644 |
13335 |
+--- a/net/sched/cls_tcindex.c |
13336 |
++++ b/net/sched/cls_tcindex.c |
13337 |
+@@ -333,12 +333,31 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, |
13338 |
+ cp->fall_through = p->fall_through; |
13339 |
+ cp->tp = tp; |
13340 |
+ |
13341 |
++ if (tb[TCA_TCINDEX_HASH]) |
13342 |
++ cp->hash = nla_get_u32(tb[TCA_TCINDEX_HASH]); |
13343 |
++ |
13344 |
++ if (tb[TCA_TCINDEX_MASK]) |
13345 |
++ cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]); |
13346 |
++ |
13347 |
++ if (tb[TCA_TCINDEX_SHIFT]) |
13348 |
++ cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]); |
13349 |
++ |
13350 |
++ if (!cp->hash) { |
13351 |
++ /* Hash not specified, use perfect hash if the upper limit |
13352 |
++ * of the hashing index is below the threshold. |
13353 |
++ */ |
13354 |
++ if ((cp->mask >> cp->shift) < PERFECT_HASH_THRESHOLD) |
13355 |
++ cp->hash = (cp->mask >> cp->shift) + 1; |
13356 |
++ else |
13357 |
++ cp->hash = DEFAULT_HASH_SIZE; |
13358 |
++ } |
13359 |
++ |
13360 |
+ if (p->perfect) { |
13361 |
+ int i; |
13362 |
+ |
13363 |
+ if (tcindex_alloc_perfect_hash(net, cp) < 0) |
13364 |
+ goto errout; |
13365 |
+- for (i = 0; i < cp->hash; i++) |
13366 |
++ for (i = 0; i < min(cp->hash, p->hash); i++) |
13367 |
+ cp->perfect[i].res = p->perfect[i].res; |
13368 |
+ balloc = 1; |
13369 |
+ } |
13370 |
+@@ -346,19 +365,10 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, |
13371 |
+ |
13372 |
+ err = tcindex_filter_result_init(&new_filter_result, net); |
13373 |
+ if (err < 0) |
13374 |
+- goto errout1; |
13375 |
++ goto errout_alloc; |
13376 |
+ if (old_r) |
13377 |
+ cr = r->res; |
13378 |
+ |
13379 |
+- if (tb[TCA_TCINDEX_HASH]) |
13380 |
+- cp->hash = nla_get_u32(tb[TCA_TCINDEX_HASH]); |
13381 |
+- |
13382 |
+- if (tb[TCA_TCINDEX_MASK]) |
13383 |
+- cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]); |
13384 |
+- |
13385 |
+- if (tb[TCA_TCINDEX_SHIFT]) |
13386 |
+- cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]); |
13387 |
+- |
13388 |
+ err = -EBUSY; |
13389 |
+ |
13390 |
+ /* Hash already allocated, make sure that we still meet the |
13391 |
+@@ -376,16 +386,6 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, |
13392 |
+ if (tb[TCA_TCINDEX_FALL_THROUGH]) |
13393 |
+ cp->fall_through = nla_get_u32(tb[TCA_TCINDEX_FALL_THROUGH]); |
13394 |
+ |
13395 |
+- if (!cp->hash) { |
13396 |
+- /* Hash not specified, use perfect hash if the upper limit |
13397 |
+- * of the hashing index is below the threshold. |
13398 |
+- */ |
13399 |
+- if ((cp->mask >> cp->shift) < PERFECT_HASH_THRESHOLD) |
13400 |
+- cp->hash = (cp->mask >> cp->shift) + 1; |
13401 |
+- else |
13402 |
+- cp->hash = DEFAULT_HASH_SIZE; |
13403 |
+- } |
13404 |
+- |
13405 |
+ if (!cp->perfect && !cp->h) |
13406 |
+ cp->alloc_hash = cp->hash; |
13407 |
+ |
13408 |
+@@ -484,7 +484,6 @@ errout_alloc: |
13409 |
+ tcindex_free_perfect_hash(cp); |
13410 |
+ else if (balloc == 2) |
13411 |
+ kfree(cp->h); |
13412 |
+-errout1: |
13413 |
+ tcf_exts_destroy(&new_filter_result.exts); |
13414 |
+ errout: |
13415 |
+ kfree(cp); |
13416 |
+diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c |
13417 |
+index c609373c8661..660fc45ee40f 100644 |
13418 |
+--- a/net/sched/sch_taprio.c |
13419 |
++++ b/net/sched/sch_taprio.c |
13420 |
+@@ -31,6 +31,7 @@ static DEFINE_SPINLOCK(taprio_list_lock); |
13421 |
+ |
13422 |
+ #define TXTIME_ASSIST_IS_ENABLED(flags) ((flags) & TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST) |
13423 |
+ #define FULL_OFFLOAD_IS_ENABLED(flags) ((flags) & TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD) |
13424 |
++#define TAPRIO_FLAGS_INVALID U32_MAX |
13425 |
+ |
13426 |
+ struct sched_entry { |
13427 |
+ struct list_head list; |
13428 |
+@@ -766,6 +767,7 @@ static const struct nla_policy taprio_policy[TCA_TAPRIO_ATTR_MAX + 1] = { |
13429 |
+ [TCA_TAPRIO_ATTR_SCHED_CLOCKID] = { .type = NLA_S32 }, |
13430 |
+ [TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME] = { .type = NLA_S64 }, |
13431 |
+ [TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME_EXTENSION] = { .type = NLA_S64 }, |
13432 |
++ [TCA_TAPRIO_ATTR_FLAGS] = { .type = NLA_U32 }, |
13433 |
+ }; |
13434 |
+ |
13435 |
+ static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, |
13436 |
+@@ -1367,6 +1369,33 @@ static int taprio_mqprio_cmp(const struct net_device *dev, |
13437 |
+ return 0; |
13438 |
+ } |
13439 |
+ |
13440 |
++/* The semantics of the 'flags' argument in relation to 'change()' |
13441 |
++ * requests, are interpreted following two rules (which are applied in |
13442 |
++ * this order): (1) an omitted 'flags' argument is interpreted as |
13443 |
++ * zero; (2) the 'flags' of a "running" taprio instance cannot be |
13444 |
++ * changed. |
13445 |
++ */ |
13446 |
++static int taprio_new_flags(const struct nlattr *attr, u32 old, |
13447 |
++ struct netlink_ext_ack *extack) |
13448 |
++{ |
13449 |
++ u32 new = 0; |
13450 |
++ |
13451 |
++ if (attr) |
13452 |
++ new = nla_get_u32(attr); |
13453 |
++ |
13454 |
++ if (old != TAPRIO_FLAGS_INVALID && old != new) { |
13455 |
++ NL_SET_ERR_MSG_MOD(extack, "Changing 'flags' of a running schedule is not supported"); |
13456 |
++ return -EOPNOTSUPP; |
13457 |
++ } |
13458 |
++ |
13459 |
++ if (!taprio_flags_valid(new)) { |
13460 |
++ NL_SET_ERR_MSG_MOD(extack, "Specified 'flags' are not valid"); |
13461 |
++ return -EINVAL; |
13462 |
++ } |
13463 |
++ |
13464 |
++ return new; |
13465 |
++} |
13466 |
++ |
13467 |
+ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13468 |
+ struct netlink_ext_ack *extack) |
13469 |
+ { |
13470 |
+@@ -1375,7 +1404,6 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13471 |
+ struct taprio_sched *q = qdisc_priv(sch); |
13472 |
+ struct net_device *dev = qdisc_dev(sch); |
13473 |
+ struct tc_mqprio_qopt *mqprio = NULL; |
13474 |
+- u32 taprio_flags = 0; |
13475 |
+ unsigned long flags; |
13476 |
+ ktime_t start; |
13477 |
+ int i, err; |
13478 |
+@@ -1388,21 +1416,14 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13479 |
+ if (tb[TCA_TAPRIO_ATTR_PRIOMAP]) |
13480 |
+ mqprio = nla_data(tb[TCA_TAPRIO_ATTR_PRIOMAP]); |
13481 |
+ |
13482 |
+- if (tb[TCA_TAPRIO_ATTR_FLAGS]) { |
13483 |
+- taprio_flags = nla_get_u32(tb[TCA_TAPRIO_ATTR_FLAGS]); |
13484 |
+- |
13485 |
+- if (q->flags != 0 && q->flags != taprio_flags) { |
13486 |
+- NL_SET_ERR_MSG_MOD(extack, "Changing 'flags' of a running schedule is not supported"); |
13487 |
+- return -EOPNOTSUPP; |
13488 |
+- } else if (!taprio_flags_valid(taprio_flags)) { |
13489 |
+- NL_SET_ERR_MSG_MOD(extack, "Specified 'flags' are not valid"); |
13490 |
+- return -EINVAL; |
13491 |
+- } |
13492 |
++ err = taprio_new_flags(tb[TCA_TAPRIO_ATTR_FLAGS], |
13493 |
++ q->flags, extack); |
13494 |
++ if (err < 0) |
13495 |
++ return err; |
13496 |
+ |
13497 |
+- q->flags = taprio_flags; |
13498 |
+- } |
13499 |
++ q->flags = err; |
13500 |
+ |
13501 |
+- err = taprio_parse_mqprio_opt(dev, mqprio, extack, taprio_flags); |
13502 |
++ err = taprio_parse_mqprio_opt(dev, mqprio, extack, q->flags); |
13503 |
+ if (err < 0) |
13504 |
+ return err; |
13505 |
+ |
13506 |
+@@ -1444,7 +1465,20 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13507 |
+ |
13508 |
+ taprio_set_picos_per_byte(dev, q); |
13509 |
+ |
13510 |
+- if (FULL_OFFLOAD_IS_ENABLED(taprio_flags)) |
13511 |
++ if (mqprio) { |
13512 |
++ netdev_set_num_tc(dev, mqprio->num_tc); |
13513 |
++ for (i = 0; i < mqprio->num_tc; i++) |
13514 |
++ netdev_set_tc_queue(dev, i, |
13515 |
++ mqprio->count[i], |
13516 |
++ mqprio->offset[i]); |
13517 |
++ |
13518 |
++ /* Always use supplied priority mappings */ |
13519 |
++ for (i = 0; i <= TC_BITMASK; i++) |
13520 |
++ netdev_set_prio_tc_map(dev, i, |
13521 |
++ mqprio->prio_tc_map[i]); |
13522 |
++ } |
13523 |
++ |
13524 |
++ if (FULL_OFFLOAD_IS_ENABLED(q->flags)) |
13525 |
+ err = taprio_enable_offload(dev, mqprio, q, new_admin, extack); |
13526 |
+ else |
13527 |
+ err = taprio_disable_offload(dev, q, extack); |
13528 |
+@@ -1464,27 +1498,14 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13529 |
+ q->txtime_delay = nla_get_u32(tb[TCA_TAPRIO_ATTR_TXTIME_DELAY]); |
13530 |
+ } |
13531 |
+ |
13532 |
+- if (!TXTIME_ASSIST_IS_ENABLED(taprio_flags) && |
13533 |
+- !FULL_OFFLOAD_IS_ENABLED(taprio_flags) && |
13534 |
++ if (!TXTIME_ASSIST_IS_ENABLED(q->flags) && |
13535 |
++ !FULL_OFFLOAD_IS_ENABLED(q->flags) && |
13536 |
+ !hrtimer_active(&q->advance_timer)) { |
13537 |
+ hrtimer_init(&q->advance_timer, q->clockid, HRTIMER_MODE_ABS); |
13538 |
+ q->advance_timer.function = advance_sched; |
13539 |
+ } |
13540 |
+ |
13541 |
+- if (mqprio) { |
13542 |
+- netdev_set_num_tc(dev, mqprio->num_tc); |
13543 |
+- for (i = 0; i < mqprio->num_tc; i++) |
13544 |
+- netdev_set_tc_queue(dev, i, |
13545 |
+- mqprio->count[i], |
13546 |
+- mqprio->offset[i]); |
13547 |
+- |
13548 |
+- /* Always use supplied priority mappings */ |
13549 |
+- for (i = 0; i <= TC_BITMASK; i++) |
13550 |
+- netdev_set_prio_tc_map(dev, i, |
13551 |
+- mqprio->prio_tc_map[i]); |
13552 |
+- } |
13553 |
+- |
13554 |
+- if (FULL_OFFLOAD_IS_ENABLED(taprio_flags)) { |
13555 |
++ if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { |
13556 |
+ q->dequeue = taprio_dequeue_offload; |
13557 |
+ q->peek = taprio_peek_offload; |
13558 |
+ } else { |
13559 |
+@@ -1501,9 +1522,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13560 |
+ goto unlock; |
13561 |
+ } |
13562 |
+ |
13563 |
+- if (TXTIME_ASSIST_IS_ENABLED(taprio_flags)) { |
13564 |
+- setup_txtime(q, new_admin, start); |
13565 |
++ setup_txtime(q, new_admin, start); |
13566 |
+ |
13567 |
++ if (TXTIME_ASSIST_IS_ENABLED(q->flags)) { |
13568 |
+ if (!oper) { |
13569 |
+ rcu_assign_pointer(q->oper_sched, new_admin); |
13570 |
+ err = 0; |
13571 |
+@@ -1528,7 +1549,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, |
13572 |
+ |
13573 |
+ spin_unlock_irqrestore(&q->current_entry_lock, flags); |
13574 |
+ |
13575 |
+- if (FULL_OFFLOAD_IS_ENABLED(taprio_flags)) |
13576 |
++ if (FULL_OFFLOAD_IS_ENABLED(q->flags)) |
13577 |
+ taprio_offload_config_changed(q); |
13578 |
+ } |
13579 |
+ |
13580 |
+@@ -1567,7 +1588,7 @@ static void taprio_destroy(struct Qdisc *sch) |
13581 |
+ } |
13582 |
+ q->qdiscs = NULL; |
13583 |
+ |
13584 |
+- netdev_set_num_tc(dev, 0); |
13585 |
++ netdev_reset_tc(dev); |
13586 |
+ |
13587 |
+ if (q->oper_sched) |
13588 |
+ call_rcu(&q->oper_sched->rcu, taprio_free_sched_cb); |
13589 |
+@@ -1597,6 +1618,7 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt, |
13590 |
+ * and get the valid one on taprio_change(). |
13591 |
+ */ |
13592 |
+ q->clockid = -1; |
13593 |
++ q->flags = TAPRIO_FLAGS_INVALID; |
13594 |
+ |
13595 |
+ spin_lock(&taprio_list_lock); |
13596 |
+ list_add(&q->taprio_list, &taprio_list); |
13597 |
+diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c |
13598 |
+index 908b60a72d95..ed20fa8a6f70 100644 |
13599 |
+--- a/net/sunrpc/auth_gss/svcauth_gss.c |
13600 |
++++ b/net/sunrpc/auth_gss/svcauth_gss.c |
13601 |
+@@ -1245,6 +1245,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, |
13602 |
+ dprintk("RPC: No creds found!\n"); |
13603 |
+ goto out; |
13604 |
+ } else { |
13605 |
++ struct timespec64 boot; |
13606 |
+ |
13607 |
+ /* steal creds */ |
13608 |
+ rsci.cred = ud->creds; |
13609 |
+@@ -1265,6 +1266,9 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, |
13610 |
+ &expiry, GFP_KERNEL); |
13611 |
+ if (status) |
13612 |
+ goto out; |
13613 |
++ |
13614 |
++ getboottime64(&boot); |
13615 |
++ expiry -= boot.tv_sec; |
13616 |
+ } |
13617 |
+ |
13618 |
+ rsci.h.expiry_time = expiry; |
13619 |
+diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile |
13620 |
+index 42b571cde177..e7ad48c605e0 100644 |
13621 |
+--- a/samples/bpf/Makefile |
13622 |
++++ b/samples/bpf/Makefile |
13623 |
+@@ -236,7 +236,7 @@ all: |
13624 |
+ |
13625 |
+ clean: |
13626 |
+ $(MAKE) -C ../../ M=$(CURDIR) clean |
13627 |
+- @rm -f *~ |
13628 |
++ @find $(CURDIR) -type f -name '*~' -delete |
13629 |
+ |
13630 |
+ $(LIBBPF): FORCE |
13631 |
+ # Fix up variables inherited from Kbuild that tools/ build system won't like |
13632 |
+diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c |
13633 |
+index 0da6e9e7132e..8b862a7a6c6a 100644 |
13634 |
+--- a/samples/bpf/xdp_redirect_cpu_user.c |
13635 |
++++ b/samples/bpf/xdp_redirect_cpu_user.c |
13636 |
+@@ -16,6 +16,10 @@ static const char *__doc__ = |
13637 |
+ #include <getopt.h> |
13638 |
+ #include <net/if.h> |
13639 |
+ #include <time.h> |
13640 |
++#include <linux/limits.h> |
13641 |
++ |
13642 |
++#define __must_check |
13643 |
++#include <linux/err.h> |
13644 |
+ |
13645 |
+ #include <arpa/inet.h> |
13646 |
+ #include <linux/if_link.h> |
13647 |
+@@ -46,6 +50,10 @@ static int cpus_count_map_fd; |
13648 |
+ static int cpus_iterator_map_fd; |
13649 |
+ static int exception_cnt_map_fd; |
13650 |
+ |
13651 |
++#define NUM_TP 5 |
13652 |
++struct bpf_link *tp_links[NUM_TP] = { 0 }; |
13653 |
++static int tp_cnt = 0; |
13654 |
++ |
13655 |
+ /* Exit return codes */ |
13656 |
+ #define EXIT_OK 0 |
13657 |
+ #define EXIT_FAIL 1 |
13658 |
+@@ -88,6 +96,10 @@ static void int_exit(int sig) |
13659 |
+ printf("program on interface changed, not removing\n"); |
13660 |
+ } |
13661 |
+ } |
13662 |
++ /* Detach tracepoints */ |
13663 |
++ while (tp_cnt) |
13664 |
++ bpf_link__destroy(tp_links[--tp_cnt]); |
13665 |
++ |
13666 |
+ exit(EXIT_OK); |
13667 |
+ } |
13668 |
+ |
13669 |
+@@ -588,23 +600,61 @@ static void stats_poll(int interval, bool use_separators, char *prog_name, |
13670 |
+ free_stats_record(prev); |
13671 |
+ } |
13672 |
+ |
13673 |
++static struct bpf_link * attach_tp(struct bpf_object *obj, |
13674 |
++ const char *tp_category, |
13675 |
++ const char* tp_name) |
13676 |
++{ |
13677 |
++ struct bpf_program *prog; |
13678 |
++ struct bpf_link *link; |
13679 |
++ char sec_name[PATH_MAX]; |
13680 |
++ int len; |
13681 |
++ |
13682 |
++ len = snprintf(sec_name, PATH_MAX, "tracepoint/%s/%s", |
13683 |
++ tp_category, tp_name); |
13684 |
++ if (len < 0) |
13685 |
++ exit(EXIT_FAIL); |
13686 |
++ |
13687 |
++ prog = bpf_object__find_program_by_title(obj, sec_name); |
13688 |
++ if (!prog) { |
13689 |
++ fprintf(stderr, "ERR: finding progsec: %s\n", sec_name); |
13690 |
++ exit(EXIT_FAIL_BPF); |
13691 |
++ } |
13692 |
++ |
13693 |
++ link = bpf_program__attach_tracepoint(prog, tp_category, tp_name); |
13694 |
++ if (IS_ERR(link)) |
13695 |
++ exit(EXIT_FAIL_BPF); |
13696 |
++ |
13697 |
++ return link; |
13698 |
++} |
13699 |
++ |
13700 |
++static void init_tracepoints(struct bpf_object *obj) { |
13701 |
++ tp_links[tp_cnt++] = attach_tp(obj, "xdp", "xdp_redirect_err"); |
13702 |
++ tp_links[tp_cnt++] = attach_tp(obj, "xdp", "xdp_redirect_map_err"); |
13703 |
++ tp_links[tp_cnt++] = attach_tp(obj, "xdp", "xdp_exception"); |
13704 |
++ tp_links[tp_cnt++] = attach_tp(obj, "xdp", "xdp_cpumap_enqueue"); |
13705 |
++ tp_links[tp_cnt++] = attach_tp(obj, "xdp", "xdp_cpumap_kthread"); |
13706 |
++} |
13707 |
++ |
13708 |
+ static int init_map_fds(struct bpf_object *obj) |
13709 |
+ { |
13710 |
+- cpu_map_fd = bpf_object__find_map_fd_by_name(obj, "cpu_map"); |
13711 |
+- rx_cnt_map_fd = bpf_object__find_map_fd_by_name(obj, "rx_cnt"); |
13712 |
++ /* Maps updated by tracepoints */ |
13713 |
+ redirect_err_cnt_map_fd = |
13714 |
+ bpf_object__find_map_fd_by_name(obj, "redirect_err_cnt"); |
13715 |
++ exception_cnt_map_fd = |
13716 |
++ bpf_object__find_map_fd_by_name(obj, "exception_cnt"); |
13717 |
+ cpumap_enqueue_cnt_map_fd = |
13718 |
+ bpf_object__find_map_fd_by_name(obj, "cpumap_enqueue_cnt"); |
13719 |
+ cpumap_kthread_cnt_map_fd = |
13720 |
+ bpf_object__find_map_fd_by_name(obj, "cpumap_kthread_cnt"); |
13721 |
++ |
13722 |
++ /* Maps used by XDP */ |
13723 |
++ rx_cnt_map_fd = bpf_object__find_map_fd_by_name(obj, "rx_cnt"); |
13724 |
++ cpu_map_fd = bpf_object__find_map_fd_by_name(obj, "cpu_map"); |
13725 |
+ cpus_available_map_fd = |
13726 |
+ bpf_object__find_map_fd_by_name(obj, "cpus_available"); |
13727 |
+ cpus_count_map_fd = bpf_object__find_map_fd_by_name(obj, "cpus_count"); |
13728 |
+ cpus_iterator_map_fd = |
13729 |
+ bpf_object__find_map_fd_by_name(obj, "cpus_iterator"); |
13730 |
+- exception_cnt_map_fd = |
13731 |
+- bpf_object__find_map_fd_by_name(obj, "exception_cnt"); |
13732 |
+ |
13733 |
+ if (cpu_map_fd < 0 || rx_cnt_map_fd < 0 || |
13734 |
+ redirect_err_cnt_map_fd < 0 || cpumap_enqueue_cnt_map_fd < 0 || |
13735 |
+@@ -662,6 +712,7 @@ int main(int argc, char **argv) |
13736 |
+ strerror(errno)); |
13737 |
+ return EXIT_FAIL; |
13738 |
+ } |
13739 |
++ init_tracepoints(obj); |
13740 |
+ if (init_map_fds(obj) < 0) { |
13741 |
+ fprintf(stderr, "bpf_object__find_map_fd_by_name failed\n"); |
13742 |
+ return EXIT_FAIL; |
13743 |
+diff --git a/scripts/find-unused-docs.sh b/scripts/find-unused-docs.sh |
13744 |
+index 3f46f8977dc4..ee6a50e33aba 100755 |
13745 |
+--- a/scripts/find-unused-docs.sh |
13746 |
++++ b/scripts/find-unused-docs.sh |
13747 |
+@@ -54,7 +54,7 @@ for file in `find $1 -name '*.c'`; do |
13748 |
+ if [[ ${FILES_INCLUDED[$file]+_} ]]; then |
13749 |
+ continue; |
13750 |
+ fi |
13751 |
+- str=$(scripts/kernel-doc -text -export "$file" 2>/dev/null) |
13752 |
++ str=$(scripts/kernel-doc -export "$file" 2>/dev/null) |
13753 |
+ if [[ -n "$str" ]]; then |
13754 |
+ echo "$file" |
13755 |
+ fi |
13756 |
+diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c |
13757 |
+index abeb09c30633..ad22066eba04 100644 |
13758 |
+--- a/security/smack/smack_lsm.c |
13759 |
++++ b/security/smack/smack_lsm.c |
13760 |
+@@ -2832,42 +2832,39 @@ static int smack_socket_connect(struct socket *sock, struct sockaddr *sap, |
13761 |
+ int addrlen) |
13762 |
+ { |
13763 |
+ int rc = 0; |
13764 |
+-#if IS_ENABLED(CONFIG_IPV6) |
13765 |
+- struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap; |
13766 |
+-#endif |
13767 |
+-#ifdef SMACK_IPV6_SECMARK_LABELING |
13768 |
+- struct smack_known *rsp; |
13769 |
+- struct socket_smack *ssp; |
13770 |
+-#endif |
13771 |
+ |
13772 |
+ if (sock->sk == NULL) |
13773 |
+ return 0; |
13774 |
+- |
13775 |
++ if (sock->sk->sk_family != PF_INET && |
13776 |
++ (!IS_ENABLED(CONFIG_IPV6) || sock->sk->sk_family != PF_INET6)) |
13777 |
++ return 0; |
13778 |
++ if (addrlen < offsetofend(struct sockaddr, sa_family)) |
13779 |
++ return 0; |
13780 |
++ if (IS_ENABLED(CONFIG_IPV6) && sap->sa_family == AF_INET6) { |
13781 |
++ struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap; |
13782 |
+ #ifdef SMACK_IPV6_SECMARK_LABELING |
13783 |
+- ssp = sock->sk->sk_security; |
13784 |
++ struct smack_known *rsp; |
13785 |
+ #endif |
13786 |
+ |
13787 |
+- switch (sock->sk->sk_family) { |
13788 |
+- case PF_INET: |
13789 |
+- if (addrlen < sizeof(struct sockaddr_in) || |
13790 |
+- sap->sa_family != AF_INET) |
13791 |
+- return -EINVAL; |
13792 |
+- rc = smack_netlabel_send(sock->sk, (struct sockaddr_in *)sap); |
13793 |
+- break; |
13794 |
+- case PF_INET6: |
13795 |
+- if (addrlen < SIN6_LEN_RFC2133 || sap->sa_family != AF_INET6) |
13796 |
+- return -EINVAL; |
13797 |
++ if (addrlen < SIN6_LEN_RFC2133) |
13798 |
++ return 0; |
13799 |
+ #ifdef SMACK_IPV6_SECMARK_LABELING |
13800 |
+ rsp = smack_ipv6host_label(sip); |
13801 |
+- if (rsp != NULL) |
13802 |
++ if (rsp != NULL) { |
13803 |
++ struct socket_smack *ssp = sock->sk->sk_security; |
13804 |
++ |
13805 |
+ rc = smk_ipv6_check(ssp->smk_out, rsp, sip, |
13806 |
+- SMK_CONNECTING); |
13807 |
++ SMK_CONNECTING); |
13808 |
++ } |
13809 |
+ #endif |
13810 |
+ #ifdef SMACK_IPV6_PORT_LABELING |
13811 |
+ rc = smk_ipv6_port_check(sock->sk, sip, SMK_CONNECTING); |
13812 |
+ #endif |
13813 |
+- break; |
13814 |
++ return rc; |
13815 |
+ } |
13816 |
++ if (sap->sa_family != AF_INET || addrlen < sizeof(struct sockaddr_in)) |
13817 |
++ return 0; |
13818 |
++ rc = smack_netlabel_send(sock->sk, (struct sockaddr_in *)sap); |
13819 |
+ return rc; |
13820 |
+ } |
13821 |
+ |
13822 |
+diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c |
13823 |
+index aee7c04d49e5..b61ba0321a72 100644 |
13824 |
+--- a/sound/drivers/dummy.c |
13825 |
++++ b/sound/drivers/dummy.c |
13826 |
+@@ -915,7 +915,7 @@ static void print_formats(struct snd_dummy *dummy, |
13827 |
+ { |
13828 |
+ int i; |
13829 |
+ |
13830 |
+- for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) { |
13831 |
++ for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) { |
13832 |
+ if (dummy->pcm_hw.formats & (1ULL << i)) |
13833 |
+ snd_iprintf(buffer, " %s", snd_pcm_format_name(i)); |
13834 |
+ } |
13835 |
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c |
13836 |
+index f6cbb831b86a..85beb172d810 100644 |
13837 |
+--- a/sound/pci/hda/hda_intel.c |
13838 |
++++ b/sound/pci/hda/hda_intel.c |
13839 |
+@@ -2156,6 +2156,8 @@ static struct snd_pci_quirk power_save_blacklist[] = { |
13840 |
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ |
13841 |
+ SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), |
13842 |
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ |
13843 |
++ SND_PCI_QUIRK(0x1558, 0x6504, "Clevo W65_67SB", 0), |
13844 |
++ /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ |
13845 |
+ SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0), |
13846 |
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ |
13847 |
+ /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */ |
13848 |
+@@ -2415,6 +2417,8 @@ static const struct pci_device_id azx_ids[] = { |
13849 |
+ /* Jasperlake */ |
13850 |
+ { PCI_DEVICE(0x8086, 0x38c8), |
13851 |
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, |
13852 |
++ { PCI_DEVICE(0x8086, 0x4dc8), |
13853 |
++ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, |
13854 |
+ /* Tigerlake */ |
13855 |
+ { PCI_DEVICE(0x8086, 0xa0c8), |
13856 |
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, |
13857 |
+diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c |
13858 |
+index 8350954b7986..e5191584638a 100644 |
13859 |
+--- a/sound/pci/hda/hda_tegra.c |
13860 |
++++ b/sound/pci/hda/hda_tegra.c |
13861 |
+@@ -398,6 +398,7 @@ static int hda_tegra_create(struct snd_card *card, |
13862 |
+ return err; |
13863 |
+ |
13864 |
+ chip->bus.needs_damn_long_delay = 1; |
13865 |
++ chip->bus.core.aligned_mmio = 1; |
13866 |
+ |
13867 |
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
13868 |
+ if (err < 0) { |
13869 |
+diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c |
13870 |
+index 488c17c9f375..8ac805a634f4 100644 |
13871 |
+--- a/sound/pci/hda/patch_hdmi.c |
13872 |
++++ b/sound/pci/hda/patch_hdmi.c |
13873 |
+@@ -4153,6 +4153,7 @@ HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), |
13874 |
+ HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), |
13875 |
+ HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), |
13876 |
+ HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), |
13877 |
++HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), |
13878 |
+ HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), |
13879 |
+ HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), |
13880 |
+ HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), |
13881 |
+diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c |
13882 |
+index aa1f9637d895..e949b372cead 100644 |
13883 |
+--- a/sound/soc/codecs/sgtl5000.c |
13884 |
++++ b/sound/soc/codecs/sgtl5000.c |
13885 |
+@@ -1344,7 +1344,8 @@ static int sgtl5000_set_power_regs(struct snd_soc_component *component) |
13886 |
+ * if vddio == vdda the source of charge pump should be |
13887 |
+ * assigned manually to VDDIO |
13888 |
+ */ |
13889 |
+- if (vddio == vdda) { |
13890 |
++ if (regulator_is_equal(sgtl5000->supplies[VDDA].consumer, |
13891 |
++ sgtl5000->supplies[VDDIO].consumer)) { |
13892 |
+ lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; |
13893 |
+ lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << |
13894 |
+ SGTL5000_VDDC_MAN_ASSN_SHIFT; |
13895 |
+diff --git a/sound/soc/intel/boards/skl_hda_dsp_common.c b/sound/soc/intel/boards/skl_hda_dsp_common.c |
13896 |
+index 58409b6e476e..e3d405e57c5f 100644 |
13897 |
+--- a/sound/soc/intel/boards/skl_hda_dsp_common.c |
13898 |
++++ b/sound/soc/intel/boards/skl_hda_dsp_common.c |
13899 |
+@@ -38,16 +38,19 @@ int skl_hda_hdmi_add_pcm(struct snd_soc_card *card, int device) |
13900 |
+ return 0; |
13901 |
+ } |
13902 |
+ |
13903 |
+-SND_SOC_DAILINK_DEFS(idisp1, |
13904 |
+- DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")), |
13905 |
++SND_SOC_DAILINK_DEF(idisp1_cpu, |
13906 |
++ DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); |
13907 |
++SND_SOC_DAILINK_DEF(idisp1_codec, |
13908 |
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); |
13909 |
+ |
13910 |
+-SND_SOC_DAILINK_DEFS(idisp2, |
13911 |
+- DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")), |
13912 |
++SND_SOC_DAILINK_DEF(idisp2_cpu, |
13913 |
++ DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); |
13914 |
++SND_SOC_DAILINK_DEF(idisp2_codec, |
13915 |
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); |
13916 |
+ |
13917 |
+-SND_SOC_DAILINK_DEFS(idisp3, |
13918 |
+- DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")), |
13919 |
++SND_SOC_DAILINK_DEF(idisp3_cpu, |
13920 |
++ DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); |
13921 |
++SND_SOC_DAILINK_DEF(idisp3_codec, |
13922 |
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); |
13923 |
+ |
13924 |
+ SND_SOC_DAILINK_DEF(analog_cpu, |
13925 |
+@@ -80,21 +83,21 @@ struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS] = { |
13926 |
+ .id = 1, |
13927 |
+ .dpcm_playback = 1, |
13928 |
+ .no_pcm = 1, |
13929 |
+- SND_SOC_DAILINK_REG(idisp1), |
13930 |
++ SND_SOC_DAILINK_REG(idisp1_cpu, idisp1_codec, platform), |
13931 |
+ }, |
13932 |
+ { |
13933 |
+ .name = "iDisp2", |
13934 |
+ .id = 2, |
13935 |
+ .dpcm_playback = 1, |
13936 |
+ .no_pcm = 1, |
13937 |
+- SND_SOC_DAILINK_REG(idisp2), |
13938 |
++ SND_SOC_DAILINK_REG(idisp2_cpu, idisp2_codec, platform), |
13939 |
+ }, |
13940 |
+ { |
13941 |
+ .name = "iDisp3", |
13942 |
+ .id = 3, |
13943 |
+ .dpcm_playback = 1, |
13944 |
+ .no_pcm = 1, |
13945 |
+- SND_SOC_DAILINK_REG(idisp3), |
13946 |
++ SND_SOC_DAILINK_REG(idisp3_cpu, idisp3_codec, platform), |
13947 |
+ }, |
13948 |
+ { |
13949 |
+ .name = "Analog Playback and Capture", |
13950 |
+diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c |
13951 |
+index 5a3749938900..d286dff3171d 100644 |
13952 |
+--- a/sound/soc/meson/axg-fifo.c |
13953 |
++++ b/sound/soc/meson/axg-fifo.c |
13954 |
+@@ -108,10 +108,12 @@ static int axg_fifo_pcm_hw_params(struct snd_pcm_substream *ss, |
13955 |
+ { |
13956 |
+ struct snd_pcm_runtime *runtime = ss->runtime; |
13957 |
+ struct axg_fifo *fifo = axg_fifo_data(ss); |
13958 |
++ unsigned int burst_num, period, threshold; |
13959 |
+ dma_addr_t end_ptr; |
13960 |
+- unsigned int burst_num; |
13961 |
+ int ret; |
13962 |
+ |
13963 |
++ period = params_period_bytes(params); |
13964 |
++ |
13965 |
+ ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(params)); |
13966 |
+ if (ret < 0) |
13967 |
+ return ret; |
13968 |
+@@ -122,9 +124,25 @@ static int axg_fifo_pcm_hw_params(struct snd_pcm_substream *ss, |
13969 |
+ regmap_write(fifo->map, FIFO_FINISH_ADDR, end_ptr); |
13970 |
+ |
13971 |
+ /* Setup interrupt periodicity */ |
13972 |
+- burst_num = params_period_bytes(params) / AXG_FIFO_BURST; |
13973 |
++ burst_num = period / AXG_FIFO_BURST; |
13974 |
+ regmap_write(fifo->map, FIFO_INT_ADDR, burst_num); |
13975 |
+ |
13976 |
++ /* |
13977 |
++ * Start the fifo request on the smallest of the following: |
13978 |
++ * - Half the fifo size |
13979 |
++ * - Half the period size |
13980 |
++ */ |
13981 |
++ threshold = min(period / 2, |
13982 |
++ (unsigned int)AXG_FIFO_MIN_DEPTH / 2); |
13983 |
++ |
13984 |
++ /* |
13985 |
++ * With the threshold in bytes, register value is: |
13986 |
++ * V = (threshold / burst) - 1 |
13987 |
++ */ |
13988 |
++ threshold /= AXG_FIFO_BURST; |
13989 |
++ regmap_field_write(fifo->field_threshold, |
13990 |
++ threshold ? threshold - 1 : 0); |
13991 |
++ |
13992 |
+ /* Enable block count irq */ |
13993 |
+ regmap_update_bits(fifo->map, FIFO_CTRL0, |
13994 |
+ CTRL0_INT_EN(FIFO_INT_COUNT_REPEAT), |
13995 |
+@@ -360,6 +378,11 @@ int axg_fifo_probe(struct platform_device *pdev) |
13996 |
+ return fifo->irq; |
13997 |
+ } |
13998 |
+ |
13999 |
++ fifo->field_threshold = |
14000 |
++ devm_regmap_field_alloc(dev, fifo->map, data->field_threshold); |
14001 |
++ if (IS_ERR(fifo->field_threshold)) |
14002 |
++ return PTR_ERR(fifo->field_threshold); |
14003 |
++ |
14004 |
+ return devm_snd_soc_register_component(dev, data->component_drv, |
14005 |
+ data->dai_drv, 1); |
14006 |
+ } |
14007 |
+diff --git a/sound/soc/meson/axg-fifo.h b/sound/soc/meson/axg-fifo.h |
14008 |
+index bb1e2ce50256..ab546a3cf940 100644 |
14009 |
+--- a/sound/soc/meson/axg-fifo.h |
14010 |
++++ b/sound/soc/meson/axg-fifo.h |
14011 |
+@@ -9,7 +9,9 @@ |
14012 |
+ |
14013 |
+ struct clk; |
14014 |
+ struct platform_device; |
14015 |
++struct reg_field; |
14016 |
+ struct regmap; |
14017 |
++struct regmap_field; |
14018 |
+ struct reset_control; |
14019 |
+ |
14020 |
+ struct snd_soc_component_driver; |
14021 |
+@@ -50,8 +52,6 @@ struct snd_soc_pcm_runtime; |
14022 |
+ #define CTRL1_STATUS2_SEL_MASK GENMASK(11, 8) |
14023 |
+ #define CTRL1_STATUS2_SEL(x) ((x) << 8) |
14024 |
+ #define STATUS2_SEL_DDR_READ 0 |
14025 |
+-#define CTRL1_THRESHOLD_MASK GENMASK(23, 16) |
14026 |
+-#define CTRL1_THRESHOLD(x) ((x) << 16) |
14027 |
+ #define CTRL1_FRDDR_DEPTH_MASK GENMASK(31, 24) |
14028 |
+ #define CTRL1_FRDDR_DEPTH(x) ((x) << 24) |
14029 |
+ #define FIFO_START_ADDR 0x08 |
14030 |
+@@ -67,12 +67,14 @@ struct axg_fifo { |
14031 |
+ struct regmap *map; |
14032 |
+ struct clk *pclk; |
14033 |
+ struct reset_control *arb; |
14034 |
++ struct regmap_field *field_threshold; |
14035 |
+ int irq; |
14036 |
+ }; |
14037 |
+ |
14038 |
+ struct axg_fifo_match_data { |
14039 |
+ const struct snd_soc_component_driver *component_drv; |
14040 |
+ struct snd_soc_dai_driver *dai_drv; |
14041 |
++ struct reg_field field_threshold; |
14042 |
+ }; |
14043 |
+ |
14044 |
+ extern const struct snd_pcm_ops axg_fifo_pcm_ops; |
14045 |
+diff --git a/sound/soc/meson/axg-frddr.c b/sound/soc/meson/axg-frddr.c |
14046 |
+index 6ab111c31b28..09773a9ae964 100644 |
14047 |
+--- a/sound/soc/meson/axg-frddr.c |
14048 |
++++ b/sound/soc/meson/axg-frddr.c |
14049 |
+@@ -50,7 +50,7 @@ static int axg_frddr_dai_startup(struct snd_pcm_substream *substream, |
14050 |
+ struct snd_soc_dai *dai) |
14051 |
+ { |
14052 |
+ struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); |
14053 |
+- unsigned int fifo_depth, fifo_threshold; |
14054 |
++ unsigned int fifo_depth; |
14055 |
+ int ret; |
14056 |
+ |
14057 |
+ /* Enable pclk to access registers and clock the fifo ip */ |
14058 |
+@@ -68,11 +68,8 @@ static int axg_frddr_dai_startup(struct snd_pcm_substream *substream, |
14059 |
+ * Depth and threshold are zero based. |
14060 |
+ */ |
14061 |
+ fifo_depth = AXG_FIFO_MIN_CNT - 1; |
14062 |
+- fifo_threshold = (AXG_FIFO_MIN_CNT / 2) - 1; |
14063 |
+- regmap_update_bits(fifo->map, FIFO_CTRL1, |
14064 |
+- CTRL1_FRDDR_DEPTH_MASK | CTRL1_THRESHOLD_MASK, |
14065 |
+- CTRL1_FRDDR_DEPTH(fifo_depth) | |
14066 |
+- CTRL1_THRESHOLD(fifo_threshold)); |
14067 |
++ regmap_update_bits(fifo->map, FIFO_CTRL1, CTRL1_FRDDR_DEPTH_MASK, |
14068 |
++ CTRL1_FRDDR_DEPTH(fifo_depth)); |
14069 |
+ |
14070 |
+ return 0; |
14071 |
+ } |
14072 |
+@@ -153,8 +150,9 @@ static const struct snd_soc_component_driver axg_frddr_component_drv = { |
14073 |
+ }; |
14074 |
+ |
14075 |
+ static const struct axg_fifo_match_data axg_frddr_match_data = { |
14076 |
+- .component_drv = &axg_frddr_component_drv, |
14077 |
+- .dai_drv = &axg_frddr_dai_drv |
14078 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
14079 |
++ .component_drv = &axg_frddr_component_drv, |
14080 |
++ .dai_drv = &axg_frddr_dai_drv |
14081 |
+ }; |
14082 |
+ |
14083 |
+ static const struct snd_soc_dai_ops g12a_frddr_ops = { |
14084 |
+@@ -271,8 +269,9 @@ static const struct snd_soc_component_driver g12a_frddr_component_drv = { |
14085 |
+ }; |
14086 |
+ |
14087 |
+ static const struct axg_fifo_match_data g12a_frddr_match_data = { |
14088 |
+- .component_drv = &g12a_frddr_component_drv, |
14089 |
+- .dai_drv = &g12a_frddr_dai_drv |
14090 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
14091 |
++ .component_drv = &g12a_frddr_component_drv, |
14092 |
++ .dai_drv = &g12a_frddr_dai_drv |
14093 |
+ }; |
14094 |
+ |
14095 |
+ /* On SM1, the output selection in on CTRL2 */ |
14096 |
+@@ -335,8 +334,9 @@ static const struct snd_soc_component_driver sm1_frddr_component_drv = { |
14097 |
+ }; |
14098 |
+ |
14099 |
+ static const struct axg_fifo_match_data sm1_frddr_match_data = { |
14100 |
+- .component_drv = &sm1_frddr_component_drv, |
14101 |
+- .dai_drv = &g12a_frddr_dai_drv |
14102 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
14103 |
++ .component_drv = &sm1_frddr_component_drv, |
14104 |
++ .dai_drv = &g12a_frddr_dai_drv |
14105 |
+ }; |
14106 |
+ |
14107 |
+ static const struct of_device_id axg_frddr_of_match[] = { |
14108 |
+diff --git a/sound/soc/meson/axg-toddr.c b/sound/soc/meson/axg-toddr.c |
14109 |
+index c8ea2145f576..ecf41c7549a6 100644 |
14110 |
+--- a/sound/soc/meson/axg-toddr.c |
14111 |
++++ b/sound/soc/meson/axg-toddr.c |
14112 |
+@@ -89,7 +89,6 @@ static int axg_toddr_dai_startup(struct snd_pcm_substream *substream, |
14113 |
+ struct snd_soc_dai *dai) |
14114 |
+ { |
14115 |
+ struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); |
14116 |
+- unsigned int fifo_threshold; |
14117 |
+ int ret; |
14118 |
+ |
14119 |
+ /* Enable pclk to access registers and clock the fifo ip */ |
14120 |
+@@ -107,11 +106,6 @@ static int axg_toddr_dai_startup(struct snd_pcm_substream *substream, |
14121 |
+ /* Apply single buffer mode to the interface */ |
14122 |
+ regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_PP_MODE, 0); |
14123 |
+ |
14124 |
+- /* TODDR does not have a configurable fifo depth */ |
14125 |
+- fifo_threshold = AXG_FIFO_MIN_CNT - 1; |
14126 |
+- regmap_update_bits(fifo->map, FIFO_CTRL1, CTRL1_THRESHOLD_MASK, |
14127 |
+- CTRL1_THRESHOLD(fifo_threshold)); |
14128 |
+- |
14129 |
+ return 0; |
14130 |
+ } |
14131 |
+ |
14132 |
+@@ -185,8 +179,9 @@ static const struct snd_soc_component_driver axg_toddr_component_drv = { |
14133 |
+ }; |
14134 |
+ |
14135 |
+ static const struct axg_fifo_match_data axg_toddr_match_data = { |
14136 |
+- .component_drv = &axg_toddr_component_drv, |
14137 |
+- .dai_drv = &axg_toddr_dai_drv |
14138 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
14139 |
++ .component_drv = &axg_toddr_component_drv, |
14140 |
++ .dai_drv = &axg_toddr_dai_drv |
14141 |
+ }; |
14142 |
+ |
14143 |
+ static const struct snd_soc_dai_ops g12a_toddr_ops = { |
14144 |
+@@ -218,8 +213,9 @@ static const struct snd_soc_component_driver g12a_toddr_component_drv = { |
14145 |
+ }; |
14146 |
+ |
14147 |
+ static const struct axg_fifo_match_data g12a_toddr_match_data = { |
14148 |
+- .component_drv = &g12a_toddr_component_drv, |
14149 |
+- .dai_drv = &g12a_toddr_dai_drv |
14150 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
14151 |
++ .component_drv = &g12a_toddr_component_drv, |
14152 |
++ .dai_drv = &g12a_toddr_dai_drv |
14153 |
+ }; |
14154 |
+ |
14155 |
+ static const char * const sm1_toddr_sel_texts[] = { |
14156 |
+@@ -282,8 +278,9 @@ static const struct snd_soc_component_driver sm1_toddr_component_drv = { |
14157 |
+ }; |
14158 |
+ |
14159 |
+ static const struct axg_fifo_match_data sm1_toddr_match_data = { |
14160 |
+- .component_drv = &sm1_toddr_component_drv, |
14161 |
+- .dai_drv = &g12a_toddr_dai_drv |
14162 |
++ .field_threshold = REG_FIELD(FIFO_CTRL1, 12, 23), |
14163 |
++ .component_drv = &sm1_toddr_component_drv, |
14164 |
++ .dai_drv = &g12a_toddr_dai_drv |
14165 |
+ }; |
14166 |
+ |
14167 |
+ static const struct of_device_id axg_toddr_of_match[] = { |
14168 |
+diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c |
14169 |
+index 81f28f7ff1a0..12aec140819a 100644 |
14170 |
+--- a/sound/soc/sof/core.c |
14171 |
++++ b/sound/soc/sof/core.c |
14172 |
+@@ -288,6 +288,46 @@ static int sof_machine_check(struct snd_sof_dev *sdev) |
14173 |
+ #endif |
14174 |
+ } |
14175 |
+ |
14176 |
++/* |
14177 |
++ * FW Boot State Transition Diagram |
14178 |
++ * |
14179 |
++ * +-----------------------------------------------------------------------+ |
14180 |
++ * | | |
14181 |
++ * ------------------ ------------------ | |
14182 |
++ * | | | | | |
14183 |
++ * | BOOT_FAILED | | READY_FAILED |-------------------------+ | |
14184 |
++ * | | | | | | |
14185 |
++ * ------------------ ------------------ | | |
14186 |
++ * ^ ^ | | |
14187 |
++ * | | | | |
14188 |
++ * (FW Boot Timeout) (FW_READY FAIL) | | |
14189 |
++ * | | | | |
14190 |
++ * | | | | |
14191 |
++ * ------------------ | ------------------ | | |
14192 |
++ * | | | | | | | |
14193 |
++ * | IN_PROGRESS |---------------+------------->| COMPLETE | | | |
14194 |
++ * | | (FW Boot OK) (FW_READY OK) | | | | |
14195 |
++ * ------------------ ------------------ | | |
14196 |
++ * ^ | | | |
14197 |
++ * | | | | |
14198 |
++ * (FW Loading OK) (System Suspend/Runtime Suspend) |
14199 |
++ * | | | | |
14200 |
++ * | | | | |
14201 |
++ * ------------------ ------------------ | | | |
14202 |
++ * | | | |<-----+ | | |
14203 |
++ * | PREPARE | | NOT_STARTED |<---------------------+ | |
14204 |
++ * | | | |<---------------------------+ |
14205 |
++ * ------------------ ------------------ |
14206 |
++ * | ^ | ^ |
14207 |
++ * | | | | |
14208 |
++ * | +-----------------------+ | |
14209 |
++ * | (DSP Probe OK) | |
14210 |
++ * | | |
14211 |
++ * | | |
14212 |
++ * +------------------------------------+ |
14213 |
++ * (System Suspend/Runtime Suspend) |
14214 |
++ */ |
14215 |
++ |
14216 |
+ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14217 |
+ { |
14218 |
+ struct snd_sof_pdata *plat_data = sdev->pdata; |
14219 |
+@@ -303,6 +343,8 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14220 |
+ return ret; |
14221 |
+ } |
14222 |
+ |
14223 |
++ sdev->fw_state = SOF_FW_BOOT_PREPARE; |
14224 |
++ |
14225 |
+ /* check machine info */ |
14226 |
+ ret = sof_machine_check(sdev); |
14227 |
+ if (ret < 0) { |
14228 |
+@@ -342,7 +384,12 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14229 |
+ goto fw_load_err; |
14230 |
+ } |
14231 |
+ |
14232 |
+- /* boot the firmware */ |
14233 |
++ sdev->fw_state = SOF_FW_BOOT_IN_PROGRESS; |
14234 |
++ |
14235 |
++ /* |
14236 |
++ * Boot the firmware. The FW boot status will be modified |
14237 |
++ * in snd_sof_run_firmware() depending on the outcome. |
14238 |
++ */ |
14239 |
+ ret = snd_sof_run_firmware(sdev); |
14240 |
+ if (ret < 0) { |
14241 |
+ dev_err(sdev->dev, "error: failed to boot DSP firmware %d\n", |
14242 |
+@@ -368,7 +415,7 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14243 |
+ if (ret < 0) { |
14244 |
+ dev_err(sdev->dev, |
14245 |
+ "error: failed to register DSP DAI driver %d\n", ret); |
14246 |
+- goto fw_run_err; |
14247 |
++ goto fw_trace_err; |
14248 |
+ } |
14249 |
+ |
14250 |
+ drv_name = plat_data->machine->drv_name; |
14251 |
+@@ -382,7 +429,7 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14252 |
+ |
14253 |
+ if (IS_ERR(plat_data->pdev_mach)) { |
14254 |
+ ret = PTR_ERR(plat_data->pdev_mach); |
14255 |
+- goto fw_run_err; |
14256 |
++ goto fw_trace_err; |
14257 |
+ } |
14258 |
+ |
14259 |
+ dev_dbg(sdev->dev, "created machine %s\n", |
14260 |
+@@ -393,7 +440,8 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) |
14261 |
+ |
14262 |
+ return 0; |
14263 |
+ |
14264 |
+-#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) |
14265 |
++fw_trace_err: |
14266 |
++ snd_sof_free_trace(sdev); |
14267 |
+ fw_run_err: |
14268 |
+ snd_sof_fw_unload(sdev); |
14269 |
+ fw_load_err: |
14270 |
+@@ -402,21 +450,10 @@ ipc_err: |
14271 |
+ snd_sof_free_debug(sdev); |
14272 |
+ dbg_err: |
14273 |
+ snd_sof_remove(sdev); |
14274 |
+-#else |
14275 |
+- |
14276 |
+- /* |
14277 |
+- * when the probe_continue is handled in a work queue, the |
14278 |
+- * probe does not fail so we don't release resources here. |
14279 |
+- * They will be released with an explicit call to |
14280 |
+- * snd_sof_device_remove() when the PCI/ACPI device is removed |
14281 |
+- */ |
14282 |
+ |
14283 |
+-fw_run_err: |
14284 |
+-fw_load_err: |
14285 |
+-ipc_err: |
14286 |
+-dbg_err: |
14287 |
+- |
14288 |
+-#endif |
14289 |
++ /* all resources freed, update state to match */ |
14290 |
++ sdev->fw_state = SOF_FW_BOOT_NOT_STARTED; |
14291 |
++ sdev->first_boot = true; |
14292 |
+ |
14293 |
+ return ret; |
14294 |
+ } |
14295 |
+@@ -447,6 +484,7 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data) |
14296 |
+ |
14297 |
+ sdev->pdata = plat_data; |
14298 |
+ sdev->first_boot = true; |
14299 |
++ sdev->fw_state = SOF_FW_BOOT_NOT_STARTED; |
14300 |
+ dev_set_drvdata(dev, sdev); |
14301 |
+ |
14302 |
+ /* check all mandatory ops */ |
14303 |
+@@ -494,10 +532,12 @@ int snd_sof_device_remove(struct device *dev) |
14304 |
+ if (IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)) |
14305 |
+ cancel_work_sync(&sdev->probe_work); |
14306 |
+ |
14307 |
+- snd_sof_fw_unload(sdev); |
14308 |
+- snd_sof_ipc_free(sdev); |
14309 |
+- snd_sof_free_debug(sdev); |
14310 |
+- snd_sof_free_trace(sdev); |
14311 |
++ if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) { |
14312 |
++ snd_sof_fw_unload(sdev); |
14313 |
++ snd_sof_ipc_free(sdev); |
14314 |
++ snd_sof_free_debug(sdev); |
14315 |
++ snd_sof_free_trace(sdev); |
14316 |
++ } |
14317 |
+ |
14318 |
+ /* |
14319 |
+ * Unregister machine driver. This will unbind the snd_card which |
14320 |
+@@ -513,7 +553,8 @@ int snd_sof_device_remove(struct device *dev) |
14321 |
+ * scheduled on, when they are unloaded. Therefore, the DSP must be |
14322 |
+ * removed only after the topology has been unloaded. |
14323 |
+ */ |
14324 |
+- snd_sof_remove(sdev); |
14325 |
++ if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) |
14326 |
++ snd_sof_remove(sdev); |
14327 |
+ |
14328 |
+ /* release firmware */ |
14329 |
+ release_firmware(pdata->fw); |
14330 |
+diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c |
14331 |
+index 65c2af3fcaab..356bb134ae93 100644 |
14332 |
+--- a/sound/soc/sof/intel/hda-loader.c |
14333 |
++++ b/sound/soc/sof/intel/hda-loader.c |
14334 |
+@@ -278,7 +278,6 @@ int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev) |
14335 |
+ |
14336 |
+ /* init for booting wait */ |
14337 |
+ init_waitqueue_head(&sdev->boot_wait); |
14338 |
+- sdev->boot_complete = false; |
14339 |
+ |
14340 |
+ /* prepare DMA for code loader stream */ |
14341 |
+ tag = cl_stream_prepare(sdev, 0x40, stripped_firmware.size, |
14342 |
+diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c |
14343 |
+index 5a5163eef2ef..3c4b604412f0 100644 |
14344 |
+--- a/sound/soc/sof/intel/hda.c |
14345 |
++++ b/sound/soc/sof/intel/hda.c |
14346 |
+@@ -166,7 +166,7 @@ void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags) |
14347 |
+ panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
14348 |
+ HDA_ADSP_ERROR_CODE_SKL + 0x4); |
14349 |
+ |
14350 |
+- if (sdev->boot_complete) { |
14351 |
++ if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { |
14352 |
+ hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, |
14353 |
+ HDA_DSP_STACK_DUMP_SIZE); |
14354 |
+ snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, |
14355 |
+@@ -193,7 +193,7 @@ void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) |
14356 |
+ HDA_DSP_SRAM_REG_FW_STATUS); |
14357 |
+ panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); |
14358 |
+ |
14359 |
+- if (sdev->boot_complete) { |
14360 |
++ if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { |
14361 |
+ hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, |
14362 |
+ HDA_DSP_STACK_DUMP_SIZE); |
14363 |
+ snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, |
14364 |
+diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c |
14365 |
+index 7b6d69783e16..8984d965037d 100644 |
14366 |
+--- a/sound/soc/sof/ipc.c |
14367 |
++++ b/sound/soc/sof/ipc.c |
14368 |
+@@ -348,19 +348,12 @@ void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev) |
14369 |
+ break; |
14370 |
+ case SOF_IPC_FW_READY: |
14371 |
+ /* check for FW boot completion */ |
14372 |
+- if (!sdev->boot_complete) { |
14373 |
++ if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) { |
14374 |
+ err = sof_ops(sdev)->fw_ready(sdev, cmd); |
14375 |
+- if (err < 0) { |
14376 |
+- /* |
14377 |
+- * this indicates a mismatch in ABI |
14378 |
+- * between the driver and fw |
14379 |
+- */ |
14380 |
+- dev_err(sdev->dev, "error: ABI mismatch %d\n", |
14381 |
+- err); |
14382 |
+- } else { |
14383 |
+- /* firmware boot completed OK */ |
14384 |
+- sdev->boot_complete = true; |
14385 |
+- } |
14386 |
++ if (err < 0) |
14387 |
++ sdev->fw_state = SOF_FW_BOOT_READY_FAILED; |
14388 |
++ else |
14389 |
++ sdev->fw_state = SOF_FW_BOOT_COMPLETE; |
14390 |
+ |
14391 |
+ /* wake up firmware loader */ |
14392 |
+ wake_up(&sdev->boot_wait); |
14393 |
+diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c |
14394 |
+index a041adf0669d..ce114df5e4fc 100644 |
14395 |
+--- a/sound/soc/sof/loader.c |
14396 |
++++ b/sound/soc/sof/loader.c |
14397 |
+@@ -511,7 +511,6 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev) |
14398 |
+ int init_core_mask; |
14399 |
+ |
14400 |
+ init_waitqueue_head(&sdev->boot_wait); |
14401 |
+- sdev->boot_complete = false; |
14402 |
+ |
14403 |
+ /* create read-only fw_version debugfs to store boot version info */ |
14404 |
+ if (sdev->first_boot) { |
14405 |
+@@ -543,19 +542,27 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev) |
14406 |
+ |
14407 |
+ init_core_mask = ret; |
14408 |
+ |
14409 |
+- /* now wait for the DSP to boot */ |
14410 |
+- ret = wait_event_timeout(sdev->boot_wait, sdev->boot_complete, |
14411 |
++ /* |
14412 |
++ * now wait for the DSP to boot. There are 3 possible outcomes: |
14413 |
++ * 1. Boot wait times out indicating FW boot failure. |
14414 |
++ * 2. FW boots successfully and fw_ready op succeeds. |
14415 |
++ * 3. FW boots but fw_ready op fails. |
14416 |
++ */ |
14417 |
++ ret = wait_event_timeout(sdev->boot_wait, |
14418 |
++ sdev->fw_state > SOF_FW_BOOT_IN_PROGRESS, |
14419 |
+ msecs_to_jiffies(sdev->boot_timeout)); |
14420 |
+ if (ret == 0) { |
14421 |
+ dev_err(sdev->dev, "error: firmware boot failure\n"); |
14422 |
+ snd_sof_dsp_dbg_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX | |
14423 |
+ SOF_DBG_TEXT | SOF_DBG_PCI); |
14424 |
+- /* after this point FW_READY msg should be ignored */ |
14425 |
+- sdev->boot_complete = true; |
14426 |
++ sdev->fw_state = SOF_FW_BOOT_FAILED; |
14427 |
+ return -EIO; |
14428 |
+ } |
14429 |
+ |
14430 |
+- dev_info(sdev->dev, "firmware boot complete\n"); |
14431 |
++ if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) |
14432 |
++ dev_info(sdev->dev, "firmware boot complete\n"); |
14433 |
++ else |
14434 |
++ return -EIO; /* FW boots but fw_ready op failed */ |
14435 |
+ |
14436 |
+ /* perform post fw run operations */ |
14437 |
+ ret = snd_sof_dsp_post_fw_run(sdev); |
14438 |
+diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c |
14439 |
+index e23beaeefe00..195af259e78e 100644 |
14440 |
+--- a/sound/soc/sof/pm.c |
14441 |
++++ b/sound/soc/sof/pm.c |
14442 |
+@@ -269,6 +269,10 @@ static int sof_resume(struct device *dev, bool runtime_resume) |
14443 |
+ if (!sof_ops(sdev)->resume || !sof_ops(sdev)->runtime_resume) |
14444 |
+ return 0; |
14445 |
+ |
14446 |
++ /* DSP was never successfully started, nothing to resume */ |
14447 |
++ if (sdev->first_boot) |
14448 |
++ return 0; |
14449 |
++ |
14450 |
+ /* |
14451 |
+ * if the runtime_resume flag is set, call the runtime_resume routine |
14452 |
+ * or else call the system resume routine |
14453 |
+@@ -283,6 +287,8 @@ static int sof_resume(struct device *dev, bool runtime_resume) |
14454 |
+ return ret; |
14455 |
+ } |
14456 |
+ |
14457 |
++ sdev->fw_state = SOF_FW_BOOT_PREPARE; |
14458 |
++ |
14459 |
+ /* load the firmware */ |
14460 |
+ ret = snd_sof_load_firmware(sdev); |
14461 |
+ if (ret < 0) { |
14462 |
+@@ -292,7 +298,12 @@ static int sof_resume(struct device *dev, bool runtime_resume) |
14463 |
+ return ret; |
14464 |
+ } |
14465 |
+ |
14466 |
+- /* boot the firmware */ |
14467 |
++ sdev->fw_state = SOF_FW_BOOT_IN_PROGRESS; |
14468 |
++ |
14469 |
++ /* |
14470 |
++ * Boot the firmware. The FW boot status will be modified |
14471 |
++ * in snd_sof_run_firmware() depending on the outcome. |
14472 |
++ */ |
14473 |
+ ret = snd_sof_run_firmware(sdev); |
14474 |
+ if (ret < 0) { |
14475 |
+ dev_err(sdev->dev, |
14476 |
+@@ -338,6 +349,9 @@ static int sof_suspend(struct device *dev, bool runtime_suspend) |
14477 |
+ if (!sof_ops(sdev)->suspend) |
14478 |
+ return 0; |
14479 |
+ |
14480 |
++ if (sdev->fw_state != SOF_FW_BOOT_COMPLETE) |
14481 |
++ goto power_down; |
14482 |
++ |
14483 |
+ /* release trace */ |
14484 |
+ snd_sof_release_trace(sdev); |
14485 |
+ |
14486 |
+@@ -375,6 +389,12 @@ static int sof_suspend(struct device *dev, bool runtime_suspend) |
14487 |
+ ret); |
14488 |
+ } |
14489 |
+ |
14490 |
++power_down: |
14491 |
++ |
14492 |
++ /* return if the DSP was not probed successfully */ |
14493 |
++ if (sdev->fw_state == SOF_FW_BOOT_NOT_STARTED) |
14494 |
++ return 0; |
14495 |
++ |
14496 |
+ /* power down all DSP cores */ |
14497 |
+ if (runtime_suspend) |
14498 |
+ ret = snd_sof_dsp_runtime_suspend(sdev); |
14499 |
+@@ -385,6 +405,9 @@ static int sof_suspend(struct device *dev, bool runtime_suspend) |
14500 |
+ "error: failed to power down DSP during suspend %d\n", |
14501 |
+ ret); |
14502 |
+ |
14503 |
++ /* reset FW state */ |
14504 |
++ sdev->fw_state = SOF_FW_BOOT_NOT_STARTED; |
14505 |
++ |
14506 |
+ return ret; |
14507 |
+ } |
14508 |
+ |
14509 |
+diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h |
14510 |
+index 730f3259dd02..7b329bd99674 100644 |
14511 |
+--- a/sound/soc/sof/sof-priv.h |
14512 |
++++ b/sound/soc/sof/sof-priv.h |
14513 |
+@@ -356,6 +356,15 @@ struct snd_sof_dai { |
14514 |
+ struct list_head list; /* list in sdev dai list */ |
14515 |
+ }; |
14516 |
+ |
14517 |
++enum snd_sof_fw_state { |
14518 |
++ SOF_FW_BOOT_NOT_STARTED = 0, |
14519 |
++ SOF_FW_BOOT_PREPARE, |
14520 |
++ SOF_FW_BOOT_IN_PROGRESS, |
14521 |
++ SOF_FW_BOOT_FAILED, |
14522 |
++ SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */ |
14523 |
++ SOF_FW_BOOT_COMPLETE, |
14524 |
++}; |
14525 |
++ |
14526 |
+ /* |
14527 |
+ * SOF Device Level. |
14528 |
+ */ |
14529 |
+@@ -372,7 +381,7 @@ struct snd_sof_dev { |
14530 |
+ |
14531 |
+ /* DSP firmware boot */ |
14532 |
+ wait_queue_head_t boot_wait; |
14533 |
+- u32 boot_complete; |
14534 |
++ enum snd_sof_fw_state fw_state; |
14535 |
+ u32 first_boot; |
14536 |
+ |
14537 |
+ /* work queue in case the probe is implemented in two steps */ |
14538 |
+diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c |
14539 |
+index 94b903d95afa..74c00c905d24 100644 |
14540 |
+--- a/sound/usb/mixer_scarlett_gen2.c |
14541 |
++++ b/sound/usb/mixer_scarlett_gen2.c |
14542 |
+@@ -558,11 +558,11 @@ static const struct scarlett2_config |
14543 |
+ |
14544 |
+ /* proprietary request/response format */ |
14545 |
+ struct scarlett2_usb_packet { |
14546 |
+- u32 cmd; |
14547 |
+- u16 size; |
14548 |
+- u16 seq; |
14549 |
+- u32 error; |
14550 |
+- u32 pad; |
14551 |
++ __le32 cmd; |
14552 |
++ __le16 size; |
14553 |
++ __le16 seq; |
14554 |
++ __le32 error; |
14555 |
++ __le32 pad; |
14556 |
+ u8 data[]; |
14557 |
+ }; |
14558 |
+ |
14559 |
+@@ -664,11 +664,11 @@ static int scarlett2_usb( |
14560 |
+ "Scarlett Gen 2 USB invalid response; " |
14561 |
+ "cmd tx/rx %d/%d seq %d/%d size %d/%d " |
14562 |
+ "error %d pad %d\n", |
14563 |
+- le16_to_cpu(req->cmd), le16_to_cpu(resp->cmd), |
14564 |
++ le32_to_cpu(req->cmd), le32_to_cpu(resp->cmd), |
14565 |
+ le16_to_cpu(req->seq), le16_to_cpu(resp->seq), |
14566 |
+ resp_size, le16_to_cpu(resp->size), |
14567 |
+- le16_to_cpu(resp->error), |
14568 |
+- le16_to_cpu(resp->pad)); |
14569 |
++ le32_to_cpu(resp->error), |
14570 |
++ le32_to_cpu(resp->pad)); |
14571 |
+ err = -EINVAL; |
14572 |
+ goto unlock; |
14573 |
+ } |
14574 |
+@@ -687,7 +687,7 @@ error: |
14575 |
+ /* Send SCARLETT2_USB_DATA_CMD SCARLETT2_USB_CONFIG_SAVE */ |
14576 |
+ static void scarlett2_config_save(struct usb_mixer_interface *mixer) |
14577 |
+ { |
14578 |
+- u32 req = cpu_to_le32(SCARLETT2_USB_CONFIG_SAVE); |
14579 |
++ __le32 req = cpu_to_le32(SCARLETT2_USB_CONFIG_SAVE); |
14580 |
+ |
14581 |
+ scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, |
14582 |
+ &req, sizeof(u32), |
14583 |
+@@ -713,11 +713,11 @@ static int scarlett2_usb_set_config( |
14584 |
+ const struct scarlett2_config config_item = |
14585 |
+ scarlett2_config_items[config_item_num]; |
14586 |
+ struct { |
14587 |
+- u32 offset; |
14588 |
+- u32 bytes; |
14589 |
+- s32 value; |
14590 |
++ __le32 offset; |
14591 |
++ __le32 bytes; |
14592 |
++ __le32 value; |
14593 |
+ } __packed req; |
14594 |
+- u32 req2; |
14595 |
++ __le32 req2; |
14596 |
+ int err; |
14597 |
+ struct scarlett2_mixer_data *private = mixer->private_data; |
14598 |
+ |
14599 |
+@@ -753,8 +753,8 @@ static int scarlett2_usb_get( |
14600 |
+ int offset, void *buf, int size) |
14601 |
+ { |
14602 |
+ struct { |
14603 |
+- u32 offset; |
14604 |
+- u32 size; |
14605 |
++ __le32 offset; |
14606 |
++ __le32 size; |
14607 |
+ } __packed req; |
14608 |
+ |
14609 |
+ req.offset = cpu_to_le32(offset); |
14610 |
+@@ -794,8 +794,8 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, |
14611 |
+ const struct scarlett2_device_info *info = private->info; |
14612 |
+ |
14613 |
+ struct { |
14614 |
+- u16 mix_num; |
14615 |
+- u16 data[SCARLETT2_INPUT_MIX_MAX]; |
14616 |
++ __le16 mix_num; |
14617 |
++ __le16 data[SCARLETT2_INPUT_MIX_MAX]; |
14618 |
+ } __packed req; |
14619 |
+ |
14620 |
+ int i, j; |
14621 |
+@@ -850,9 +850,9 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) |
14622 |
+ }; |
14623 |
+ |
14624 |
+ struct { |
14625 |
+- u16 pad; |
14626 |
+- u16 num; |
14627 |
+- u32 data[SCARLETT2_MUX_MAX]; |
14628 |
++ __le16 pad; |
14629 |
++ __le16 num; |
14630 |
++ __le32 data[SCARLETT2_MUX_MAX]; |
14631 |
+ } __packed req; |
14632 |
+ |
14633 |
+ req.pad = 0; |
14634 |
+@@ -911,9 +911,9 @@ static int scarlett2_usb_get_meter_levels(struct usb_mixer_interface *mixer, |
14635 |
+ u16 *levels) |
14636 |
+ { |
14637 |
+ struct { |
14638 |
+- u16 pad; |
14639 |
+- u16 num_meters; |
14640 |
+- u32 magic; |
14641 |
++ __le16 pad; |
14642 |
++ __le16 num_meters; |
14643 |
++ __le32 magic; |
14644 |
+ } __packed req; |
14645 |
+ u32 resp[SCARLETT2_NUM_METERS]; |
14646 |
+ int i, err; |
14647 |
+diff --git a/sound/usb/validate.c b/sound/usb/validate.c |
14648 |
+index 389e8657434a..5a3c4f7882b0 100644 |
14649 |
+--- a/sound/usb/validate.c |
14650 |
++++ b/sound/usb/validate.c |
14651 |
+@@ -110,7 +110,7 @@ static bool validate_processing_unit(const void *p, |
14652 |
+ default: |
14653 |
+ if (v->type == UAC1_EXTENSION_UNIT) |
14654 |
+ return true; /* OK */ |
14655 |
+- switch (d->wProcessType) { |
14656 |
++ switch (le16_to_cpu(d->wProcessType)) { |
14657 |
+ case UAC_PROCESS_UP_DOWNMIX: |
14658 |
+ case UAC_PROCESS_DOLBY_PROLOGIC: |
14659 |
+ if (d->bLength < len + 1) /* bNrModes */ |
14660 |
+@@ -125,7 +125,7 @@ static bool validate_processing_unit(const void *p, |
14661 |
+ case UAC_VERSION_2: |
14662 |
+ if (v->type == UAC2_EXTENSION_UNIT_V2) |
14663 |
+ return true; /* OK */ |
14664 |
+- switch (d->wProcessType) { |
14665 |
++ switch (le16_to_cpu(d->wProcessType)) { |
14666 |
+ case UAC2_PROCESS_UP_DOWNMIX: |
14667 |
+ case UAC2_PROCESS_DOLBY_PROLOCIC: /* SiC! */ |
14668 |
+ if (d->bLength < len + 1) /* bNrModes */ |
14669 |
+@@ -142,7 +142,7 @@ static bool validate_processing_unit(const void *p, |
14670 |
+ len += 2; /* wClusterDescrID */ |
14671 |
+ break; |
14672 |
+ } |
14673 |
+- switch (d->wProcessType) { |
14674 |
++ switch (le16_to_cpu(d->wProcessType)) { |
14675 |
+ case UAC3_PROCESS_UP_DOWNMIX: |
14676 |
+ if (d->bLength < len + 1) /* bNrModes */ |
14677 |
+ return false; |
14678 |
+diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat |
14679 |
+index ad1b9e646c49..4cf93110c259 100755 |
14680 |
+--- a/tools/kvm/kvm_stat/kvm_stat |
14681 |
++++ b/tools/kvm/kvm_stat/kvm_stat |
14682 |
+@@ -270,6 +270,7 @@ class ArchX86(Arch): |
14683 |
+ def __init__(self, exit_reasons): |
14684 |
+ self.sc_perf_evt_open = 298 |
14685 |
+ self.ioctl_numbers = IOCTL_NUMBERS |
14686 |
++ self.exit_reason_field = 'exit_reason' |
14687 |
+ self.exit_reasons = exit_reasons |
14688 |
+ |
14689 |
+ def debugfs_is_child(self, field): |
14690 |
+@@ -289,6 +290,7 @@ class ArchPPC(Arch): |
14691 |
+ # numbers depend on the wordsize. |
14692 |
+ char_ptr_size = ctypes.sizeof(ctypes.c_char_p) |
14693 |
+ self.ioctl_numbers['SET_FILTER'] = 0x80002406 | char_ptr_size << 16 |
14694 |
++ self.exit_reason_field = 'exit_nr' |
14695 |
+ self.exit_reasons = {} |
14696 |
+ |
14697 |
+ def debugfs_is_child(self, field): |
14698 |
+@@ -300,6 +302,7 @@ class ArchA64(Arch): |
14699 |
+ def __init__(self): |
14700 |
+ self.sc_perf_evt_open = 241 |
14701 |
+ self.ioctl_numbers = IOCTL_NUMBERS |
14702 |
++ self.exit_reason_field = 'esr_ec' |
14703 |
+ self.exit_reasons = AARCH64_EXIT_REASONS |
14704 |
+ |
14705 |
+ def debugfs_is_child(self, field): |
14706 |
+@@ -311,6 +314,7 @@ class ArchS390(Arch): |
14707 |
+ def __init__(self): |
14708 |
+ self.sc_perf_evt_open = 331 |
14709 |
+ self.ioctl_numbers = IOCTL_NUMBERS |
14710 |
++ self.exit_reason_field = None |
14711 |
+ self.exit_reasons = None |
14712 |
+ |
14713 |
+ def debugfs_is_child(self, field): |
14714 |
+@@ -541,8 +545,8 @@ class TracepointProvider(Provider): |
14715 |
+ """ |
14716 |
+ filters = {} |
14717 |
+ filters['kvm_userspace_exit'] = ('reason', USERSPACE_EXIT_REASONS) |
14718 |
+- if ARCH.exit_reasons: |
14719 |
+- filters['kvm_exit'] = ('exit_reason', ARCH.exit_reasons) |
14720 |
++ if ARCH.exit_reason_field and ARCH.exit_reasons: |
14721 |
++ filters['kvm_exit'] = (ARCH.exit_reason_field, ARCH.exit_reasons) |
14722 |
+ return filters |
14723 |
+ |
14724 |
+ def _get_available_fields(self): |
14725 |
+diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c |
14726 |
+index d98838c5820c..b6403712c2f4 100644 |
14727 |
+--- a/tools/lib/bpf/libbpf.c |
14728 |
++++ b/tools/lib/bpf/libbpf.c |
14729 |
+@@ -2541,7 +2541,9 @@ static struct ids_vec *bpf_core_find_cands(const struct btf *local_btf, |
14730 |
+ if (strncmp(local_name, targ_name, local_essent_len) == 0) { |
14731 |
+ pr_debug("[%d] %s: found candidate [%d] %s\n", |
14732 |
+ local_type_id, local_name, i, targ_name); |
14733 |
+- new_ids = realloc(cand_ids->data, cand_ids->len + 1); |
14734 |
++ new_ids = reallocarray(cand_ids->data, |
14735 |
++ cand_ids->len + 1, |
14736 |
++ sizeof(*cand_ids->data)); |
14737 |
+ if (!new_ids) { |
14738 |
+ err = -ENOMEM; |
14739 |
+ goto err_out; |
14740 |
+diff --git a/tools/objtool/sync-check.sh b/tools/objtool/sync-check.sh |
14741 |
+index 0a832e265a50..c3ae1e8ae119 100755 |
14742 |
+--- a/tools/objtool/sync-check.sh |
14743 |
++++ b/tools/objtool/sync-check.sh |
14744 |
+@@ -47,5 +47,3 @@ check arch/x86/include/asm/inat.h '-I "^#include [\"<]\(asm/\)*inat_types.h[ |
14745 |
+ check arch/x86/include/asm/insn.h '-I "^#include [\"<]\(asm/\)*inat.h[\">]"' |
14746 |
+ check arch/x86/lib/inat.c '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"' |
14747 |
+ check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]"' |
14748 |
+- |
14749 |
+-cd - |
14750 |
+diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c |
14751 |
+index 2f55d4d23446..6e04304560ca 100644 |
14752 |
+--- a/tools/power/cpupower/lib/cpufreq.c |
14753 |
++++ b/tools/power/cpupower/lib/cpufreq.c |
14754 |
+@@ -332,21 +332,74 @@ void cpufreq_put_available_governors(struct cpufreq_available_governors *any) |
14755 |
+ } |
14756 |
+ |
14757 |
+ |
14758 |
+-struct cpufreq_frequencies |
14759 |
+-*cpufreq_get_frequencies(const char *type, unsigned int cpu) |
14760 |
++struct cpufreq_available_frequencies |
14761 |
++*cpufreq_get_available_frequencies(unsigned int cpu) |
14762 |
+ { |
14763 |
+- struct cpufreq_frequencies *first = NULL; |
14764 |
+- struct cpufreq_frequencies *current = NULL; |
14765 |
++ struct cpufreq_available_frequencies *first = NULL; |
14766 |
++ struct cpufreq_available_frequencies *current = NULL; |
14767 |
+ char one_value[SYSFS_PATH_MAX]; |
14768 |
+ char linebuf[MAX_LINE_LEN]; |
14769 |
+- char fname[MAX_LINE_LEN]; |
14770 |
+ unsigned int pos, i; |
14771 |
+ unsigned int len; |
14772 |
+ |
14773 |
+- snprintf(fname, MAX_LINE_LEN, "scaling_%s_frequencies", type); |
14774 |
++ len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies", |
14775 |
++ linebuf, sizeof(linebuf)); |
14776 |
++ if (len == 0) |
14777 |
++ return NULL; |
14778 |
+ |
14779 |
+- len = sysfs_cpufreq_read_file(cpu, fname, |
14780 |
+- linebuf, sizeof(linebuf)); |
14781 |
++ pos = 0; |
14782 |
++ for (i = 0; i < len; i++) { |
14783 |
++ if (linebuf[i] == ' ' || linebuf[i] == '\n') { |
14784 |
++ if (i - pos < 2) |
14785 |
++ continue; |
14786 |
++ if (i - pos >= SYSFS_PATH_MAX) |
14787 |
++ goto error_out; |
14788 |
++ if (current) { |
14789 |
++ current->next = malloc(sizeof(*current)); |
14790 |
++ if (!current->next) |
14791 |
++ goto error_out; |
14792 |
++ current = current->next; |
14793 |
++ } else { |
14794 |
++ first = malloc(sizeof(*first)); |
14795 |
++ if (!first) |
14796 |
++ goto error_out; |
14797 |
++ current = first; |
14798 |
++ } |
14799 |
++ current->first = first; |
14800 |
++ current->next = NULL; |
14801 |
++ |
14802 |
++ memcpy(one_value, linebuf + pos, i - pos); |
14803 |
++ one_value[i - pos] = '\0'; |
14804 |
++ if (sscanf(one_value, "%lu", ¤t->frequency) != 1) |
14805 |
++ goto error_out; |
14806 |
++ |
14807 |
++ pos = i + 1; |
14808 |
++ } |
14809 |
++ } |
14810 |
++ |
14811 |
++ return first; |
14812 |
++ |
14813 |
++ error_out: |
14814 |
++ while (first) { |
14815 |
++ current = first->next; |
14816 |
++ free(first); |
14817 |
++ first = current; |
14818 |
++ } |
14819 |
++ return NULL; |
14820 |
++} |
14821 |
++ |
14822 |
++struct cpufreq_available_frequencies |
14823 |
++*cpufreq_get_boost_frequencies(unsigned int cpu) |
14824 |
++{ |
14825 |
++ struct cpufreq_available_frequencies *first = NULL; |
14826 |
++ struct cpufreq_available_frequencies *current = NULL; |
14827 |
++ char one_value[SYSFS_PATH_MAX]; |
14828 |
++ char linebuf[MAX_LINE_LEN]; |
14829 |
++ unsigned int pos, i; |
14830 |
++ unsigned int len; |
14831 |
++ |
14832 |
++ len = sysfs_cpufreq_read_file(cpu, "scaling_boost_frequencies", |
14833 |
++ linebuf, sizeof(linebuf)); |
14834 |
+ if (len == 0) |
14835 |
+ return NULL; |
14836 |
+ |
14837 |
+@@ -391,9 +444,9 @@ struct cpufreq_frequencies |
14838 |
+ return NULL; |
14839 |
+ } |
14840 |
+ |
14841 |
+-void cpufreq_put_frequencies(struct cpufreq_frequencies *any) |
14842 |
++void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies *any) |
14843 |
+ { |
14844 |
+- struct cpufreq_frequencies *tmp, *next; |
14845 |
++ struct cpufreq_available_frequencies *tmp, *next; |
14846 |
+ |
14847 |
+ if (!any) |
14848 |
+ return; |
14849 |
+@@ -406,6 +459,11 @@ void cpufreq_put_frequencies(struct cpufreq_frequencies *any) |
14850 |
+ } |
14851 |
+ } |
14852 |
+ |
14853 |
++void cpufreq_put_boost_frequencies(struct cpufreq_available_frequencies *any) |
14854 |
++{ |
14855 |
++ cpufreq_put_available_frequencies(any); |
14856 |
++} |
14857 |
++ |
14858 |
+ static struct cpufreq_affected_cpus *sysfs_get_cpu_list(unsigned int cpu, |
14859 |
+ const char *file) |
14860 |
+ { |
14861 |
+diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h |
14862 |
+index a55f0d19215b..95f4fd9e2656 100644 |
14863 |
+--- a/tools/power/cpupower/lib/cpufreq.h |
14864 |
++++ b/tools/power/cpupower/lib/cpufreq.h |
14865 |
+@@ -20,10 +20,10 @@ struct cpufreq_available_governors { |
14866 |
+ struct cpufreq_available_governors *first; |
14867 |
+ }; |
14868 |
+ |
14869 |
+-struct cpufreq_frequencies { |
14870 |
++struct cpufreq_available_frequencies { |
14871 |
+ unsigned long frequency; |
14872 |
+- struct cpufreq_frequencies *next; |
14873 |
+- struct cpufreq_frequencies *first; |
14874 |
++ struct cpufreq_available_frequencies *next; |
14875 |
++ struct cpufreq_available_frequencies *first; |
14876 |
+ }; |
14877 |
+ |
14878 |
+ |
14879 |
+@@ -124,11 +124,17 @@ void cpufreq_put_available_governors( |
14880 |
+ * cpufreq_put_frequencies after use. |
14881 |
+ */ |
14882 |
+ |
14883 |
+-struct cpufreq_frequencies |
14884 |
+-*cpufreq_get_frequencies(const char *type, unsigned int cpu); |
14885 |
++struct cpufreq_available_frequencies |
14886 |
++*cpufreq_get_available_frequencies(unsigned int cpu); |
14887 |
+ |
14888 |
+-void cpufreq_put_frequencies( |
14889 |
+- struct cpufreq_frequencies *first); |
14890 |
++void cpufreq_put_available_frequencies( |
14891 |
++ struct cpufreq_available_frequencies *first); |
14892 |
++ |
14893 |
++struct cpufreq_available_frequencies |
14894 |
++*cpufreq_get_boost_frequencies(unsigned int cpu); |
14895 |
++ |
14896 |
++void cpufreq_put_boost_frequencies( |
14897 |
++ struct cpufreq_available_frequencies *first); |
14898 |
+ |
14899 |
+ |
14900 |
+ /* determine affected CPUs |
14901 |
+diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c |
14902 |
+index e63cf55f81cf..6efc0f6b1b11 100644 |
14903 |
+--- a/tools/power/cpupower/utils/cpufreq-info.c |
14904 |
++++ b/tools/power/cpupower/utils/cpufreq-info.c |
14905 |
+@@ -244,14 +244,14 @@ static int get_boost_mode_x86(unsigned int cpu) |
14906 |
+ |
14907 |
+ static int get_boost_mode(unsigned int cpu) |
14908 |
+ { |
14909 |
+- struct cpufreq_frequencies *freqs; |
14910 |
++ struct cpufreq_available_frequencies *freqs; |
14911 |
+ |
14912 |
+ if (cpupower_cpu_info.vendor == X86_VENDOR_AMD || |
14913 |
+ cpupower_cpu_info.vendor == X86_VENDOR_HYGON || |
14914 |
+ cpupower_cpu_info.vendor == X86_VENDOR_INTEL) |
14915 |
+ return get_boost_mode_x86(cpu); |
14916 |
+ |
14917 |
+- freqs = cpufreq_get_frequencies("boost", cpu); |
14918 |
++ freqs = cpufreq_get_boost_frequencies(cpu); |
14919 |
+ if (freqs) { |
14920 |
+ printf(_(" boost frequency steps: ")); |
14921 |
+ while (freqs->next) { |
14922 |
+@@ -261,7 +261,7 @@ static int get_boost_mode(unsigned int cpu) |
14923 |
+ } |
14924 |
+ print_speed(freqs->frequency); |
14925 |
+ printf("\n"); |
14926 |
+- cpufreq_put_frequencies(freqs); |
14927 |
++ cpufreq_put_available_frequencies(freqs); |
14928 |
+ } |
14929 |
+ |
14930 |
+ return 0; |
14931 |
+@@ -475,7 +475,7 @@ static int get_latency(unsigned int cpu, unsigned int human) |
14932 |
+ |
14933 |
+ static void debug_output_one(unsigned int cpu) |
14934 |
+ { |
14935 |
+- struct cpufreq_frequencies *freqs; |
14936 |
++ struct cpufreq_available_frequencies *freqs; |
14937 |
+ |
14938 |
+ get_driver(cpu); |
14939 |
+ get_related_cpus(cpu); |
14940 |
+@@ -483,7 +483,7 @@ static void debug_output_one(unsigned int cpu) |
14941 |
+ get_latency(cpu, 1); |
14942 |
+ get_hardware_limits(cpu, 1); |
14943 |
+ |
14944 |
+- freqs = cpufreq_get_frequencies("available", cpu); |
14945 |
++ freqs = cpufreq_get_available_frequencies(cpu); |
14946 |
+ if (freqs) { |
14947 |
+ printf(_(" available frequency steps: ")); |
14948 |
+ while (freqs->next) { |
14949 |
+@@ -493,7 +493,7 @@ static void debug_output_one(unsigned int cpu) |
14950 |
+ } |
14951 |
+ print_speed(freqs->frequency); |
14952 |
+ printf("\n"); |
14953 |
+- cpufreq_put_frequencies(freqs); |
14954 |
++ cpufreq_put_available_frequencies(freqs); |
14955 |
+ } |
14956 |
+ |
14957 |
+ get_available_governors(cpu); |
14958 |
+diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c |
14959 |
+index 5ecc267d98b0..fad615c22e4d 100644 |
14960 |
+--- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c |
14961 |
++++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c |
14962 |
+@@ -2,7 +2,7 @@ |
14963 |
+ #include <test_progs.h> |
14964 |
+ |
14965 |
+ ssize_t get_base_addr() { |
14966 |
+- size_t start; |
14967 |
++ size_t start, offset; |
14968 |
+ char buf[256]; |
14969 |
+ FILE *f; |
14970 |
+ |
14971 |
+@@ -10,10 +10,11 @@ ssize_t get_base_addr() { |
14972 |
+ if (!f) |
14973 |
+ return -errno; |
14974 |
+ |
14975 |
+- while (fscanf(f, "%zx-%*x %s %*s\n", &start, buf) == 2) { |
14976 |
++ while (fscanf(f, "%zx-%*x %s %zx %*[^\n]\n", |
14977 |
++ &start, buf, &offset) == 3) { |
14978 |
+ if (strcmp(buf, "r-xp") == 0) { |
14979 |
+ fclose(f); |
14980 |
+- return start; |
14981 |
++ return start - offset; |
14982 |
+ } |
14983 |
+ } |
14984 |
+ |
14985 |
+diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c |
14986 |
+index 3003fddc0613..cf6c87936c69 100644 |
14987 |
+--- a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c |
14988 |
++++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c |
14989 |
+@@ -4,6 +4,7 @@ |
14990 |
+ #include <sched.h> |
14991 |
+ #include <sys/socket.h> |
14992 |
+ #include <test_progs.h> |
14993 |
++#include "libbpf_internal.h" |
14994 |
+ |
14995 |
+ static void on_sample(void *ctx, int cpu, void *data, __u32 size) |
14996 |
+ { |
14997 |
+@@ -19,7 +20,7 @@ static void on_sample(void *ctx, int cpu, void *data, __u32 size) |
14998 |
+ |
14999 |
+ void test_perf_buffer(void) |
15000 |
+ { |
15001 |
+- int err, prog_fd, nr_cpus, i, duration = 0; |
15002 |
++ int err, prog_fd, on_len, nr_on_cpus = 0, nr_cpus, i, duration = 0; |
15003 |
+ const char *prog_name = "kprobe/sys_nanosleep"; |
15004 |
+ const char *file = "./test_perf_buffer.o"; |
15005 |
+ struct perf_buffer_opts pb_opts = {}; |
15006 |
+@@ -29,15 +30,27 @@ void test_perf_buffer(void) |
15007 |
+ struct bpf_object *obj; |
15008 |
+ struct perf_buffer *pb; |
15009 |
+ struct bpf_link *link; |
15010 |
++ bool *online; |
15011 |
+ |
15012 |
+ nr_cpus = libbpf_num_possible_cpus(); |
15013 |
+ if (CHECK(nr_cpus < 0, "nr_cpus", "err %d\n", nr_cpus)) |
15014 |
+ return; |
15015 |
+ |
15016 |
++ err = parse_cpu_mask_file("/sys/devices/system/cpu/online", |
15017 |
++ &online, &on_len); |
15018 |
++ if (CHECK(err, "nr_on_cpus", "err %d\n", err)) |
15019 |
++ return; |
15020 |
++ |
15021 |
++ for (i = 0; i < on_len; i++) |
15022 |
++ if (online[i]) |
15023 |
++ nr_on_cpus++; |
15024 |
++ |
15025 |
+ /* load program */ |
15026 |
+ err = bpf_prog_load(file, BPF_PROG_TYPE_KPROBE, &obj, &prog_fd); |
15027 |
+- if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno)) |
15028 |
+- return; |
15029 |
++ if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno)) { |
15030 |
++ obj = NULL; |
15031 |
++ goto out_close; |
15032 |
++ } |
15033 |
+ |
15034 |
+ prog = bpf_object__find_program_by_title(obj, prog_name); |
15035 |
+ if (CHECK(!prog, "find_probe", "prog '%s' not found\n", prog_name)) |
15036 |
+@@ -64,6 +77,11 @@ void test_perf_buffer(void) |
15037 |
+ /* trigger kprobe on every CPU */ |
15038 |
+ CPU_ZERO(&cpu_seen); |
15039 |
+ for (i = 0; i < nr_cpus; i++) { |
15040 |
++ if (i >= on_len || !online[i]) { |
15041 |
++ printf("skipping offline CPU #%d\n", i); |
15042 |
++ continue; |
15043 |
++ } |
15044 |
++ |
15045 |
+ CPU_ZERO(&cpu_set); |
15046 |
+ CPU_SET(i, &cpu_set); |
15047 |
+ |
15048 |
+@@ -81,8 +99,8 @@ void test_perf_buffer(void) |
15049 |
+ if (CHECK(err < 0, "perf_buffer__poll", "err %d\n", err)) |
15050 |
+ goto out_free_pb; |
15051 |
+ |
15052 |
+- if (CHECK(CPU_COUNT(&cpu_seen) != nr_cpus, "seen_cpu_cnt", |
15053 |
+- "expect %d, seen %d\n", nr_cpus, CPU_COUNT(&cpu_seen))) |
15054 |
++ if (CHECK(CPU_COUNT(&cpu_seen) != nr_on_cpus, "seen_cpu_cnt", |
15055 |
++ "expect %d, seen %d\n", nr_on_cpus, CPU_COUNT(&cpu_seen))) |
15056 |
+ goto out_free_pb; |
15057 |
+ |
15058 |
+ out_free_pb: |
15059 |
+@@ -91,4 +109,5 @@ out_detach: |
15060 |
+ bpf_link__destroy(link); |
15061 |
+ out_close: |
15062 |
+ bpf_object__close(obj); |
15063 |
++ free(online); |
15064 |
+ } |
15065 |
+diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c |
15066 |
+index f62aa0eb959b..1735faf17536 100644 |
15067 |
+--- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c |
15068 |
++++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c |
15069 |
+@@ -49,8 +49,12 @@ retry: |
15070 |
+ pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, |
15071 |
+ 0 /* cpu 0 */, -1 /* group id */, |
15072 |
+ 0 /* flags */); |
15073 |
+- if (CHECK(pmu_fd < 0, "perf_event_open", |
15074 |
+- "err %d errno %d. Does the test host support PERF_COUNT_HW_CPU_CYCLES?\n", |
15075 |
++ if (pmu_fd < 0 && errno == ENOENT) { |
15076 |
++ printf("%s:SKIP:no PERF_COUNT_HW_CPU_CYCLES\n", __func__); |
15077 |
++ test__skip(); |
15078 |
++ goto cleanup; |
15079 |
++ } |
15080 |
++ if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", |
15081 |
+ pmu_fd, errno)) |
15082 |
+ goto close_prog; |
15083 |
+ |
15084 |
+diff --git a/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c |
15085 |
+index ea7d84f01235..e6be383a003f 100644 |
15086 |
+--- a/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c |
15087 |
++++ b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c |
15088 |
+@@ -113,6 +113,12 @@ int _select_by_skb_data(struct sk_reuseport_md *reuse_md) |
15089 |
+ data_check.skb_ports[0] = th->source; |
15090 |
+ data_check.skb_ports[1] = th->dest; |
15091 |
+ |
15092 |
++ if (th->fin) |
15093 |
++ /* The connection is being torn down at the end of a |
15094 |
++ * test. It can't contain a cmd, so return early. |
15095 |
++ */ |
15096 |
++ return SK_PASS; |
15097 |
++ |
15098 |
+ if ((th->doff << 2) + sizeof(*cmd) > data_check.len) |
15099 |
+ GOTO_DONE(DROP_ERR_SKB_DATA); |
15100 |
+ if (bpf_skb_load_bytes(reuse_md, th->doff << 2, &cmd_copy, |
15101 |
+diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c |
15102 |
+index 4a851513c842..779e11da979c 100644 |
15103 |
+--- a/tools/testing/selftests/bpf/test_sockmap.c |
15104 |
++++ b/tools/testing/selftests/bpf/test_sockmap.c |
15105 |
+@@ -331,7 +331,7 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt, |
15106 |
+ FILE *file; |
15107 |
+ int i, fp; |
15108 |
+ |
15109 |
+- file = fopen(".sendpage_tst.tmp", "w+"); |
15110 |
++ file = tmpfile(); |
15111 |
+ if (!file) { |
15112 |
+ perror("create file for sendpage"); |
15113 |
+ return 1; |
15114 |
+@@ -340,13 +340,8 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt, |
15115 |
+ fwrite(&k, sizeof(char), 1, file); |
15116 |
+ fflush(file); |
15117 |
+ fseek(file, 0, SEEK_SET); |
15118 |
+- fclose(file); |
15119 |
+ |
15120 |
+- fp = open(".sendpage_tst.tmp", O_RDONLY); |
15121 |
+- if (fp < 0) { |
15122 |
+- perror("reopen file for sendpage"); |
15123 |
+- return 1; |
15124 |
+- } |
15125 |
++ fp = fileno(file); |
15126 |
+ |
15127 |
+ clock_gettime(CLOCK_MONOTONIC, &s->start); |
15128 |
+ for (i = 0; i < cnt; i++) { |
15129 |
+@@ -354,11 +349,11 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt, |
15130 |
+ |
15131 |
+ if (!drop && sent < 0) { |
15132 |
+ perror("send loop error"); |
15133 |
+- close(fp); |
15134 |
++ fclose(file); |
15135 |
+ return sent; |
15136 |
+ } else if (drop && sent >= 0) { |
15137 |
+ printf("sendpage loop error expected: %i\n", sent); |
15138 |
+- close(fp); |
15139 |
++ fclose(file); |
15140 |
+ return -EIO; |
15141 |
+ } |
15142 |
+ |
15143 |
+@@ -366,7 +361,7 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt, |
15144 |
+ s->bytes_sent += sent; |
15145 |
+ } |
15146 |
+ clock_gettime(CLOCK_MONOTONIC, &s->end); |
15147 |
+- close(fp); |
15148 |
++ fclose(file); |
15149 |
+ return 0; |
15150 |
+ } |
15151 |
+ |
15152 |
+diff --git a/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py |
15153 |
+index e98c36750fae..d34fe06268d2 100644 |
15154 |
+--- a/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py |
15155 |
++++ b/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py |
15156 |
+@@ -54,7 +54,7 @@ class SubPlugin(TdcPlugin): |
15157 |
+ shell=True, |
15158 |
+ stdout=subprocess.PIPE, |
15159 |
+ stderr=subprocess.PIPE, |
15160 |
+- env=ENVIR) |
15161 |
++ env=os.environ.copy()) |
15162 |
+ (rawout, serr) = proc.communicate() |
15163 |
+ |
15164 |
+ if proc.returncode != 0 and len(serr) > 0: |
15165 |
+diff --git a/virt/kvm/arm/aarch32.c b/virt/kvm/arm/aarch32.c |
15166 |
+index c4c57ba99e90..631d397ac81b 100644 |
15167 |
+--- a/virt/kvm/arm/aarch32.c |
15168 |
++++ b/virt/kvm/arm/aarch32.c |
15169 |
+@@ -10,6 +10,7 @@ |
15170 |
+ * Author: Christoffer Dall <c.dall@××××××××××××××××××.com> |
15171 |
+ */ |
15172 |
+ |
15173 |
++#include <linux/bits.h> |
15174 |
+ #include <linux/kvm_host.h> |
15175 |
+ #include <asm/kvm_emulate.h> |
15176 |
+ #include <asm/kvm_hyp.h> |
15177 |
+@@ -28,25 +29,115 @@ static const u8 return_offsets[8][2] = { |
15178 |
+ [7] = { 4, 4 }, /* FIQ, unused */ |
15179 |
+ }; |
15180 |
+ |
15181 |
++/* |
15182 |
++ * When an exception is taken, most CPSR fields are left unchanged in the |
15183 |
++ * handler. However, some are explicitly overridden (e.g. M[4:0]). |
15184 |
++ * |
15185 |
++ * The SPSR/SPSR_ELx layouts differ, and the below is intended to work with |
15186 |
++ * either format. Note: SPSR.J bit doesn't exist in SPSR_ELx, but this bit was |
15187 |
++ * obsoleted by the ARMv7 virtualization extensions and is RES0. |
15188 |
++ * |
15189 |
++ * For the SPSR layout seen from AArch32, see: |
15190 |
++ * - ARM DDI 0406C.d, page B1-1148 |
15191 |
++ * - ARM DDI 0487E.a, page G8-6264 |
15192 |
++ * |
15193 |
++ * For the SPSR_ELx layout for AArch32 seen from AArch64, see: |
15194 |
++ * - ARM DDI 0487E.a, page C5-426 |
15195 |
++ * |
15196 |
++ * Here we manipulate the fields in order of the AArch32 SPSR_ELx layout, from |
15197 |
++ * MSB to LSB. |
15198 |
++ */ |
15199 |
++static unsigned long get_except32_cpsr(struct kvm_vcpu *vcpu, u32 mode) |
15200 |
++{ |
15201 |
++ u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR); |
15202 |
++ unsigned long old, new; |
15203 |
++ |
15204 |
++ old = *vcpu_cpsr(vcpu); |
15205 |
++ new = 0; |
15206 |
++ |
15207 |
++ new |= (old & PSR_AA32_N_BIT); |
15208 |
++ new |= (old & PSR_AA32_Z_BIT); |
15209 |
++ new |= (old & PSR_AA32_C_BIT); |
15210 |
++ new |= (old & PSR_AA32_V_BIT); |
15211 |
++ new |= (old & PSR_AA32_Q_BIT); |
15212 |
++ |
15213 |
++ // CPSR.IT[7:0] are set to zero upon any exception |
15214 |
++ // See ARM DDI 0487E.a, section G1.12.3 |
15215 |
++ // See ARM DDI 0406C.d, section B1.8.3 |
15216 |
++ |
15217 |
++ new |= (old & PSR_AA32_DIT_BIT); |
15218 |
++ |
15219 |
++ // CPSR.SSBS is set to SCTLR.DSSBS upon any exception |
15220 |
++ // See ARM DDI 0487E.a, page G8-6244 |
15221 |
++ if (sctlr & BIT(31)) |
15222 |
++ new |= PSR_AA32_SSBS_BIT; |
15223 |
++ |
15224 |
++ // CPSR.PAN is unchanged unless SCTLR.SPAN == 0b0 |
15225 |
++ // SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented |
15226 |
++ // See ARM DDI 0487E.a, page G8-6246 |
15227 |
++ new |= (old & PSR_AA32_PAN_BIT); |
15228 |
++ if (!(sctlr & BIT(23))) |
15229 |
++ new |= PSR_AA32_PAN_BIT; |
15230 |
++ |
15231 |
++ // SS does not exist in AArch32, so ignore |
15232 |
++ |
15233 |
++ // CPSR.IL is set to zero upon any exception |
15234 |
++ // See ARM DDI 0487E.a, page G1-5527 |
15235 |
++ |
15236 |
++ new |= (old & PSR_AA32_GE_MASK); |
15237 |
++ |
15238 |
++ // CPSR.IT[7:0] are set to zero upon any exception |
15239 |
++ // See prior comment above |
15240 |
++ |
15241 |
++ // CPSR.E is set to SCTLR.EE upon any exception |
15242 |
++ // See ARM DDI 0487E.a, page G8-6245 |
15243 |
++ // See ARM DDI 0406C.d, page B4-1701 |
15244 |
++ if (sctlr & BIT(25)) |
15245 |
++ new |= PSR_AA32_E_BIT; |
15246 |
++ |
15247 |
++ // CPSR.A is unchanged upon an exception to Undefined, Supervisor |
15248 |
++ // CPSR.A is set upon an exception to other modes |
15249 |
++ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516 |
15250 |
++ // See ARM DDI 0406C.d, page B1-1182 |
15251 |
++ new |= (old & PSR_AA32_A_BIT); |
15252 |
++ if (mode != PSR_AA32_MODE_UND && mode != PSR_AA32_MODE_SVC) |
15253 |
++ new |= PSR_AA32_A_BIT; |
15254 |
++ |
15255 |
++ // CPSR.I is set upon any exception |
15256 |
++ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516 |
15257 |
++ // See ARM DDI 0406C.d, page B1-1182 |
15258 |
++ new |= PSR_AA32_I_BIT; |
15259 |
++ |
15260 |
++ // CPSR.F is set upon an exception to FIQ |
15261 |
++ // CPSR.F is unchanged upon an exception to other modes |
15262 |
++ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516 |
15263 |
++ // See ARM DDI 0406C.d, page B1-1182 |
15264 |
++ new |= (old & PSR_AA32_F_BIT); |
15265 |
++ if (mode == PSR_AA32_MODE_FIQ) |
15266 |
++ new |= PSR_AA32_F_BIT; |
15267 |
++ |
15268 |
++ // CPSR.T is set to SCTLR.TE upon any exception |
15269 |
++ // See ARM DDI 0487E.a, page G8-5514 |
15270 |
++ // See ARM DDI 0406C.d, page B1-1181 |
15271 |
++ if (sctlr & BIT(30)) |
15272 |
++ new |= PSR_AA32_T_BIT; |
15273 |
++ |
15274 |
++ new |= mode; |
15275 |
++ |
15276 |
++ return new; |
15277 |
++} |
15278 |
++ |
15279 |
+ static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset) |
15280 |
+ { |
15281 |
+- unsigned long cpsr; |
15282 |
+- unsigned long new_spsr_value = *vcpu_cpsr(vcpu); |
15283 |
+- bool is_thumb = (new_spsr_value & PSR_AA32_T_BIT); |
15284 |
++ unsigned long spsr = *vcpu_cpsr(vcpu); |
15285 |
++ bool is_thumb = (spsr & PSR_AA32_T_BIT); |
15286 |
+ u32 return_offset = return_offsets[vect_offset >> 2][is_thumb]; |
15287 |
+ u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR); |
15288 |
+ |
15289 |
+- cpsr = mode | PSR_AA32_I_BIT; |
15290 |
+- |
15291 |
+- if (sctlr & (1 << 30)) |
15292 |
+- cpsr |= PSR_AA32_T_BIT; |
15293 |
+- if (sctlr & (1 << 25)) |
15294 |
+- cpsr |= PSR_AA32_E_BIT; |
15295 |
+- |
15296 |
+- *vcpu_cpsr(vcpu) = cpsr; |
15297 |
++ *vcpu_cpsr(vcpu) = get_except32_cpsr(vcpu, mode); |
15298 |
+ |
15299 |
+ /* Note: These now point to the banked copies */ |
15300 |
+- vcpu_write_spsr(vcpu, new_spsr_value); |
15301 |
++ vcpu_write_spsr(vcpu, host_spsr_to_spsr32(spsr)); |
15302 |
+ *vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; |
15303 |
+ |
15304 |
+ /* Branch to exception vector */ |
15305 |
+@@ -84,7 +175,7 @@ static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt, |
15306 |
+ fsr = &vcpu_cp15(vcpu, c5_DFSR); |
15307 |
+ } |
15308 |
+ |
15309 |
+- prepare_fault32(vcpu, PSR_AA32_MODE_ABT | PSR_AA32_A_BIT, vect_offset); |
15310 |
++ prepare_fault32(vcpu, PSR_AA32_MODE_ABT, vect_offset); |
15311 |
+ |
15312 |
+ *far = addr; |
15313 |
+ |
15314 |
+diff --git a/virt/kvm/arm/mmio.c b/virt/kvm/arm/mmio.c |
15315 |
+index 6af5c91337f2..f274fabb4301 100644 |
15316 |
+--- a/virt/kvm/arm/mmio.c |
15317 |
++++ b/virt/kvm/arm/mmio.c |
15318 |
+@@ -105,6 +105,9 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run) |
15319 |
+ data = (data ^ mask) - mask; |
15320 |
+ } |
15321 |
+ |
15322 |
++ if (!vcpu->arch.mmio_decode.sixty_four) |
15323 |
++ data = data & 0xffffffff; |
15324 |
++ |
15325 |
+ trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr, |
15326 |
+ &data); |
15327 |
+ data = vcpu_data_host_to_guest(vcpu, data, len); |
15328 |
+@@ -125,6 +128,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len) |
15329 |
+ unsigned long rt; |
15330 |
+ int access_size; |
15331 |
+ bool sign_extend; |
15332 |
++ bool sixty_four; |
15333 |
+ |
15334 |
+ if (kvm_vcpu_dabt_iss1tw(vcpu)) { |
15335 |
+ /* page table accesses IO mem: tell guest to fix its TTBR */ |
15336 |
+@@ -138,11 +142,13 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len) |
15337 |
+ |
15338 |
+ *is_write = kvm_vcpu_dabt_iswrite(vcpu); |
15339 |
+ sign_extend = kvm_vcpu_dabt_issext(vcpu); |
15340 |
++ sixty_four = kvm_vcpu_dabt_issf(vcpu); |
15341 |
+ rt = kvm_vcpu_dabt_get_rd(vcpu); |
15342 |
+ |
15343 |
+ *len = access_size; |
15344 |
+ vcpu->arch.mmio_decode.sign_extend = sign_extend; |
15345 |
+ vcpu->arch.mmio_decode.rt = rt; |
15346 |
++ vcpu->arch.mmio_decode.sixty_four = sixty_four; |
15347 |
+ |
15348 |
+ return 0; |
15349 |
+ } |
15350 |
+diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c |
15351 |
+index 35305d6e68cc..d8ef708a2ef6 100644 |
15352 |
+--- a/virt/kvm/async_pf.c |
15353 |
++++ b/virt/kvm/async_pf.c |
15354 |
+@@ -64,7 +64,7 @@ static void async_pf_execute(struct work_struct *work) |
15355 |
+ struct mm_struct *mm = apf->mm; |
15356 |
+ struct kvm_vcpu *vcpu = apf->vcpu; |
15357 |
+ unsigned long addr = apf->addr; |
15358 |
+- gva_t gva = apf->gva; |
15359 |
++ gpa_t cr2_or_gpa = apf->cr2_or_gpa; |
15360 |
+ int locked = 1; |
15361 |
+ |
15362 |
+ might_sleep(); |
15363 |
+@@ -92,7 +92,7 @@ static void async_pf_execute(struct work_struct *work) |
15364 |
+ * this point |
15365 |
+ */ |
15366 |
+ |
15367 |
+- trace_kvm_async_pf_completed(addr, gva); |
15368 |
++ trace_kvm_async_pf_completed(addr, cr2_or_gpa); |
15369 |
+ |
15370 |
+ if (swq_has_sleeper(&vcpu->wq)) |
15371 |
+ swake_up_one(&vcpu->wq); |
15372 |
+@@ -165,8 +165,8 @@ void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu) |
15373 |
+ } |
15374 |
+ } |
15375 |
+ |
15376 |
+-int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, unsigned long hva, |
15377 |
+- struct kvm_arch_async_pf *arch) |
15378 |
++int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, |
15379 |
++ unsigned long hva, struct kvm_arch_async_pf *arch) |
15380 |
+ { |
15381 |
+ struct kvm_async_pf *work; |
15382 |
+ |
15383 |
+@@ -185,7 +185,7 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, unsigned long hva, |
15384 |
+ |
15385 |
+ work->wakeup_all = false; |
15386 |
+ work->vcpu = vcpu; |
15387 |
+- work->gva = gva; |
15388 |
++ work->cr2_or_gpa = cr2_or_gpa; |
15389 |
+ work->addr = hva; |
15390 |
+ work->arch = *arch; |
15391 |
+ work->mm = current->mm; |
15392 |
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c |
15393 |
+index 13efc291b1c7..b5ea1bafe513 100644 |
15394 |
+--- a/virt/kvm/kvm_main.c |
15395 |
++++ b/virt/kvm/kvm_main.c |
15396 |
+@@ -1394,14 +1394,14 @@ bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn) |
15397 |
+ } |
15398 |
+ EXPORT_SYMBOL_GPL(kvm_is_visible_gfn); |
15399 |
+ |
15400 |
+-unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn) |
15401 |
++unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn) |
15402 |
+ { |
15403 |
+ struct vm_area_struct *vma; |
15404 |
+ unsigned long addr, size; |
15405 |
+ |
15406 |
+ size = PAGE_SIZE; |
15407 |
+ |
15408 |
+- addr = gfn_to_hva(kvm, gfn); |
15409 |
++ addr = kvm_vcpu_gfn_to_hva_prot(vcpu, gfn, NULL); |
15410 |
+ if (kvm_is_error_hva(addr)) |
15411 |
+ return PAGE_SIZE; |
15412 |
+ |
15413 |
+@@ -1809,26 +1809,72 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) |
15414 |
+ } |
15415 |
+ EXPORT_SYMBOL_GPL(gfn_to_page); |
15416 |
+ |
15417 |
+-static int __kvm_map_gfn(struct kvm_memory_slot *slot, gfn_t gfn, |
15418 |
+- struct kvm_host_map *map) |
15419 |
++void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache) |
15420 |
++{ |
15421 |
++ if (pfn == 0) |
15422 |
++ return; |
15423 |
++ |
15424 |
++ if (cache) |
15425 |
++ cache->pfn = cache->gfn = 0; |
15426 |
++ |
15427 |
++ if (dirty) |
15428 |
++ kvm_release_pfn_dirty(pfn); |
15429 |
++ else |
15430 |
++ kvm_release_pfn_clean(pfn); |
15431 |
++} |
15432 |
++ |
15433 |
++static void kvm_cache_gfn_to_pfn(struct kvm_memory_slot *slot, gfn_t gfn, |
15434 |
++ struct gfn_to_pfn_cache *cache, u64 gen) |
15435 |
++{ |
15436 |
++ kvm_release_pfn(cache->pfn, cache->dirty, cache); |
15437 |
++ |
15438 |
++ cache->pfn = gfn_to_pfn_memslot(slot, gfn); |
15439 |
++ cache->gfn = gfn; |
15440 |
++ cache->dirty = false; |
15441 |
++ cache->generation = gen; |
15442 |
++} |
15443 |
++ |
15444 |
++static int __kvm_map_gfn(struct kvm_memslots *slots, gfn_t gfn, |
15445 |
++ struct kvm_host_map *map, |
15446 |
++ struct gfn_to_pfn_cache *cache, |
15447 |
++ bool atomic) |
15448 |
+ { |
15449 |
+ kvm_pfn_t pfn; |
15450 |
+ void *hva = NULL; |
15451 |
+ struct page *page = KVM_UNMAPPED_PAGE; |
15452 |
++ struct kvm_memory_slot *slot = __gfn_to_memslot(slots, gfn); |
15453 |
++ u64 gen = slots->generation; |
15454 |
+ |
15455 |
+ if (!map) |
15456 |
+ return -EINVAL; |
15457 |
+ |
15458 |
+- pfn = gfn_to_pfn_memslot(slot, gfn); |
15459 |
++ if (cache) { |
15460 |
++ if (!cache->pfn || cache->gfn != gfn || |
15461 |
++ cache->generation != gen) { |
15462 |
++ if (atomic) |
15463 |
++ return -EAGAIN; |
15464 |
++ kvm_cache_gfn_to_pfn(slot, gfn, cache, gen); |
15465 |
++ } |
15466 |
++ pfn = cache->pfn; |
15467 |
++ } else { |
15468 |
++ if (atomic) |
15469 |
++ return -EAGAIN; |
15470 |
++ pfn = gfn_to_pfn_memslot(slot, gfn); |
15471 |
++ } |
15472 |
+ if (is_error_noslot_pfn(pfn)) |
15473 |
+ return -EINVAL; |
15474 |
+ |
15475 |
+ if (pfn_valid(pfn)) { |
15476 |
+ page = pfn_to_page(pfn); |
15477 |
+- hva = kmap(page); |
15478 |
++ if (atomic) |
15479 |
++ hva = kmap_atomic(page); |
15480 |
++ else |
15481 |
++ hva = kmap(page); |
15482 |
+ #ifdef CONFIG_HAS_IOMEM |
15483 |
+- } else { |
15484 |
++ } else if (!atomic) { |
15485 |
+ hva = memremap(pfn_to_hpa(pfn), PAGE_SIZE, MEMREMAP_WB); |
15486 |
++ } else { |
15487 |
++ return -EINVAL; |
15488 |
+ #endif |
15489 |
+ } |
15490 |
+ |
15491 |
+@@ -1843,14 +1889,25 @@ static int __kvm_map_gfn(struct kvm_memory_slot *slot, gfn_t gfn, |
15492 |
+ return 0; |
15493 |
+ } |
15494 |
+ |
15495 |
++int kvm_map_gfn(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map, |
15496 |
++ struct gfn_to_pfn_cache *cache, bool atomic) |
15497 |
++{ |
15498 |
++ return __kvm_map_gfn(kvm_memslots(vcpu->kvm), gfn, map, |
15499 |
++ cache, atomic); |
15500 |
++} |
15501 |
++EXPORT_SYMBOL_GPL(kvm_map_gfn); |
15502 |
++ |
15503 |
+ int kvm_vcpu_map(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map) |
15504 |
+ { |
15505 |
+- return __kvm_map_gfn(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn, map); |
15506 |
++ return __kvm_map_gfn(kvm_vcpu_memslots(vcpu), gfn, map, |
15507 |
++ NULL, false); |
15508 |
+ } |
15509 |
+ EXPORT_SYMBOL_GPL(kvm_vcpu_map); |
15510 |
+ |
15511 |
+-void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, |
15512 |
+- bool dirty) |
15513 |
++static void __kvm_unmap_gfn(struct kvm_memory_slot *memslot, |
15514 |
++ struct kvm_host_map *map, |
15515 |
++ struct gfn_to_pfn_cache *cache, |
15516 |
++ bool dirty, bool atomic) |
15517 |
+ { |
15518 |
+ if (!map) |
15519 |
+ return; |
15520 |
+@@ -1858,23 +1915,45 @@ void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, |
15521 |
+ if (!map->hva) |
15522 |
+ return; |
15523 |
+ |
15524 |
+- if (map->page != KVM_UNMAPPED_PAGE) |
15525 |
+- kunmap(map->page); |
15526 |
++ if (map->page != KVM_UNMAPPED_PAGE) { |
15527 |
++ if (atomic) |
15528 |
++ kunmap_atomic(map->hva); |
15529 |
++ else |
15530 |
++ kunmap(map->page); |
15531 |
++ } |
15532 |
+ #ifdef CONFIG_HAS_IOMEM |
15533 |
+- else |
15534 |
++ else if (!atomic) |
15535 |
+ memunmap(map->hva); |
15536 |
++ else |
15537 |
++ WARN_ONCE(1, "Unexpected unmapping in atomic context"); |
15538 |
+ #endif |
15539 |
+ |
15540 |
+- if (dirty) { |
15541 |
+- kvm_vcpu_mark_page_dirty(vcpu, map->gfn); |
15542 |
+- kvm_release_pfn_dirty(map->pfn); |
15543 |
+- } else { |
15544 |
+- kvm_release_pfn_clean(map->pfn); |
15545 |
+- } |
15546 |
++ if (dirty) |
15547 |
++ mark_page_dirty_in_slot(memslot, map->gfn); |
15548 |
++ |
15549 |
++ if (cache) |
15550 |
++ cache->dirty |= dirty; |
15551 |
++ else |
15552 |
++ kvm_release_pfn(map->pfn, dirty, NULL); |
15553 |
+ |
15554 |
+ map->hva = NULL; |
15555 |
+ map->page = NULL; |
15556 |
+ } |
15557 |
++ |
15558 |
++int kvm_unmap_gfn(struct kvm_vcpu *vcpu, struct kvm_host_map *map, |
15559 |
++ struct gfn_to_pfn_cache *cache, bool dirty, bool atomic) |
15560 |
++{ |
15561 |
++ __kvm_unmap_gfn(gfn_to_memslot(vcpu->kvm, map->gfn), map, |
15562 |
++ cache, dirty, atomic); |
15563 |
++ return 0; |
15564 |
++} |
15565 |
++EXPORT_SYMBOL_GPL(kvm_unmap_gfn); |
15566 |
++ |
15567 |
++void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, bool dirty) |
15568 |
++{ |
15569 |
++ __kvm_unmap_gfn(kvm_vcpu_gfn_to_memslot(vcpu, map->gfn), map, NULL, |
15570 |
++ dirty, false); |
15571 |
++} |
15572 |
+ EXPORT_SYMBOL_GPL(kvm_vcpu_unmap); |
15573 |
+ |
15574 |
+ struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn) |