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commit: 13a0ba67243adf18e654cb01e36e3016691fbdfc |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Wed Dec 1 12:49:07 2021 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Wed Dec 1 12:49:07 2021 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=13a0ba67 |
7 |
|
8 |
Linux patch 5.10.83 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1082_linux-5.10.83.patch | 5729 ++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 5733 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index db2b4487..7050b7a7 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -371,6 +371,10 @@ Patch: 1081_linux-5.10.82.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 5.10.82 |
23 |
|
24 |
+Patch: 1082_linux-5.10.83.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 5.10.83 |
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/1082_linux-5.10.83.patch b/1082_linux-5.10.83.patch |
33 |
new file mode 100644 |
34 |
index 00000000..3905baee |
35 |
--- /dev/null |
36 |
+++ b/1082_linux-5.10.83.patch |
37 |
@@ -0,0 +1,5729 @@ |
38 |
+diff --git a/Documentation/networking/ipvs-sysctl.rst b/Documentation/networking/ipvs-sysctl.rst |
39 |
+index 2afccc63856ee..1cfbf1add2fc9 100644 |
40 |
+--- a/Documentation/networking/ipvs-sysctl.rst |
41 |
++++ b/Documentation/networking/ipvs-sysctl.rst |
42 |
+@@ -37,8 +37,7 @@ conn_reuse_mode - INTEGER |
43 |
+ |
44 |
+ 0: disable any special handling on port reuse. The new |
45 |
+ connection will be delivered to the same real server that was |
46 |
+- servicing the previous connection. This will effectively |
47 |
+- disable expire_nodest_conn. |
48 |
++ servicing the previous connection. |
49 |
+ |
50 |
+ bit 1: enable rescheduling of new connections when it is safe. |
51 |
+ That is, whenever expire_nodest_conn and for TCP sockets, when |
52 |
+diff --git a/Makefile b/Makefile |
53 |
+index 84b15766ad66f..4646baabfe783 100644 |
54 |
+--- a/Makefile |
55 |
++++ b/Makefile |
56 |
+@@ -1,7 +1,7 @@ |
57 |
+ # SPDX-License-Identifier: GPL-2.0 |
58 |
+ VERSION = 5 |
59 |
+ PATCHLEVEL = 10 |
60 |
+-SUBLEVEL = 82 |
61 |
++SUBLEVEL = 83 |
62 |
+ EXTRAVERSION = |
63 |
+ NAME = Dare mighty things |
64 |
+ |
65 |
+diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi |
66 |
+index 398ecd7b9b68b..4ade854bdcdaf 100644 |
67 |
+--- a/arch/arm/boot/dts/bcm2711.dtsi |
68 |
++++ b/arch/arm/boot/dts/bcm2711.dtsi |
69 |
+@@ -480,11 +480,17 @@ |
70 |
+ #address-cells = <3>; |
71 |
+ #interrupt-cells = <1>; |
72 |
+ #size-cells = <2>; |
73 |
+- interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>, |
74 |
++ interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>, |
75 |
+ <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>; |
76 |
+ interrupt-names = "pcie", "msi"; |
77 |
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>; |
78 |
+ interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143 |
79 |
++ IRQ_TYPE_LEVEL_HIGH>, |
80 |
++ <0 0 0 2 &gicv2 GIC_SPI 144 |
81 |
++ IRQ_TYPE_LEVEL_HIGH>, |
82 |
++ <0 0 0 3 &gicv2 GIC_SPI 145 |
83 |
++ IRQ_TYPE_LEVEL_HIGH>, |
84 |
++ <0 0 0 4 &gicv2 GIC_SPI 146 |
85 |
+ IRQ_TYPE_LEVEL_HIGH>; |
86 |
+ msi-controller; |
87 |
+ msi-parent = <&pcie0>; |
88 |
+diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi |
89 |
+index 72b0df6910bd5..9fdad20c40d17 100644 |
90 |
+--- a/arch/arm/boot/dts/bcm5301x.dtsi |
91 |
++++ b/arch/arm/boot/dts/bcm5301x.dtsi |
92 |
+@@ -242,6 +242,8 @@ |
93 |
+ |
94 |
+ gpio-controller; |
95 |
+ #gpio-cells = <2>; |
96 |
++ interrupt-controller; |
97 |
++ #interrupt-cells = <2>; |
98 |
+ }; |
99 |
+ |
100 |
+ pcie0: pcie@12000 { |
101 |
+@@ -408,7 +410,7 @@ |
102 |
+ i2c0: i2c@18009000 { |
103 |
+ compatible = "brcm,iproc-i2c"; |
104 |
+ reg = <0x18009000 0x50>; |
105 |
+- interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>; |
106 |
++ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; |
107 |
+ #address-cells = <1>; |
108 |
+ #size-cells = <0>; |
109 |
+ clock-frequency = <100000>; |
110 |
+diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h |
111 |
+index fc2608b18a0d0..18f01190dcfd4 100644 |
112 |
+--- a/arch/arm/mach-socfpga/core.h |
113 |
++++ b/arch/arm/mach-socfpga/core.h |
114 |
+@@ -33,7 +33,7 @@ extern void __iomem *sdr_ctl_base_addr; |
115 |
+ u32 socfpga_sdram_self_refresh(u32 sdr_base); |
116 |
+ extern unsigned int socfpga_sdram_self_refresh_sz; |
117 |
+ |
118 |
+-extern char secondary_trampoline, secondary_trampoline_end; |
119 |
++extern char secondary_trampoline[], secondary_trampoline_end[]; |
120 |
+ |
121 |
+ extern unsigned long socfpga_cpu1start_addr; |
122 |
+ |
123 |
+diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c |
124 |
+index fbb80b883e5dd..201191cf68f32 100644 |
125 |
+--- a/arch/arm/mach-socfpga/platsmp.c |
126 |
++++ b/arch/arm/mach-socfpga/platsmp.c |
127 |
+@@ -20,14 +20,14 @@ |
128 |
+ |
129 |
+ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) |
130 |
+ { |
131 |
+- int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; |
132 |
++ int trampoline_size = secondary_trampoline_end - secondary_trampoline; |
133 |
+ |
134 |
+ if (socfpga_cpu1start_addr) { |
135 |
+ /* This will put CPU #1 into reset. */ |
136 |
+ writel(RSTMGR_MPUMODRST_CPU1, |
137 |
+ rst_manager_base_addr + SOCFPGA_RSTMGR_MODMPURST); |
138 |
+ |
139 |
+- memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); |
140 |
++ memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size); |
141 |
+ |
142 |
+ writel(__pa_symbol(secondary_startup), |
143 |
+ sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff)); |
144 |
+@@ -45,12 +45,12 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) |
145 |
+ |
146 |
+ static int socfpga_a10_boot_secondary(unsigned int cpu, struct task_struct *idle) |
147 |
+ { |
148 |
+- int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; |
149 |
++ int trampoline_size = secondary_trampoline_end - secondary_trampoline; |
150 |
+ |
151 |
+ if (socfpga_cpu1start_addr) { |
152 |
+ writel(RSTMGR_MPUMODRST_CPU1, rst_manager_base_addr + |
153 |
+ SOCFPGA_A10_RSTMGR_MODMPURST); |
154 |
+- memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); |
155 |
++ memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size); |
156 |
+ |
157 |
+ writel(__pa_symbol(secondary_startup), |
158 |
+ sys_manager_base_addr + (socfpga_cpu1start_addr & 0x00000fff)); |
159 |
+diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig |
160 |
+index 94a748e95231b..23d756fe0fd6c 100644 |
161 |
+--- a/arch/mips/Kconfig |
162 |
++++ b/arch/mips/Kconfig |
163 |
+@@ -3189,7 +3189,7 @@ config STACKTRACE_SUPPORT |
164 |
+ config PGTABLE_LEVELS |
165 |
+ int |
166 |
+ default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 |
167 |
+- default 3 if 64BIT && !PAGE_SIZE_64KB |
168 |
++ default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) |
169 |
+ default 2 |
170 |
+ |
171 |
+ config MIPS_AUTO_PFN_OFFSET |
172 |
+diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c |
173 |
+index 067cb3eb16141..d120201910acf 100644 |
174 |
+--- a/arch/mips/kernel/cpu-probe.c |
175 |
++++ b/arch/mips/kernel/cpu-probe.c |
176 |
+@@ -1721,8 +1721,6 @@ static inline void decode_cpucfg(struct cpuinfo_mips *c) |
177 |
+ |
178 |
+ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) |
179 |
+ { |
180 |
+- decode_configs(c); |
181 |
+- |
182 |
+ /* All Loongson processors covered here define ExcCode 16 as GSExc. */ |
183 |
+ c->options |= MIPS_CPU_GSEXCEX; |
184 |
+ |
185 |
+@@ -1783,6 +1781,8 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) |
186 |
+ panic("Unknown Loongson Processor ID!"); |
187 |
+ break; |
188 |
+ } |
189 |
++ |
190 |
++ decode_configs(c); |
191 |
+ } |
192 |
+ #else |
193 |
+ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) { } |
194 |
+diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S |
195 |
+index 3d208afd15bc6..2769eb991f58d 100644 |
196 |
+--- a/arch/parisc/kernel/vmlinux.lds.S |
197 |
++++ b/arch/parisc/kernel/vmlinux.lds.S |
198 |
+@@ -57,8 +57,6 @@ SECTIONS |
199 |
+ { |
200 |
+ . = KERNEL_BINARY_TEXT_START; |
201 |
+ |
202 |
+- _stext = .; /* start of kernel text, includes init code & data */ |
203 |
+- |
204 |
+ __init_begin = .; |
205 |
+ HEAD_TEXT_SECTION |
206 |
+ MLONGCALL_DISCARD(INIT_TEXT_SECTION(8)) |
207 |
+@@ -82,6 +80,7 @@ SECTIONS |
208 |
+ /* freed after init ends here */ |
209 |
+ |
210 |
+ _text = .; /* Text and read-only data */ |
211 |
++ _stext = .; |
212 |
+ MLONGCALL_KEEP(INIT_TEXT_SECTION(8)) |
213 |
+ .text ALIGN(PAGE_SIZE) : { |
214 |
+ TEXT_TEXT |
215 |
+diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h |
216 |
+index f8e3d15ddf694..abb057a86739b 100644 |
217 |
+--- a/arch/powerpc/kernel/head_32.h |
218 |
++++ b/arch/powerpc/kernel/head_32.h |
219 |
+@@ -333,11 +333,11 @@ label: |
220 |
+ mfspr r1, SPRN_SPRG_THREAD |
221 |
+ lwz r1, TASK_CPU - THREAD(r1) |
222 |
+ slwi r1, r1, 3 |
223 |
+- addis r1, r1, emergency_ctx@ha |
224 |
++ addis r1, r1, emergency_ctx-PAGE_OFFSET@ha |
225 |
+ #else |
226 |
+- lis r1, emergency_ctx@ha |
227 |
++ lis r1, emergency_ctx-PAGE_OFFSET@ha |
228 |
+ #endif |
229 |
+- lwz r1, emergency_ctx@l(r1) |
230 |
++ lwz r1, emergency_ctx-PAGE_OFFSET@l(r1) |
231 |
+ addi r1, r1, THREAD_SIZE - INT_FRAME_SIZE |
232 |
+ EXCEPTION_PROLOG_2 |
233 |
+ SAVE_NVGPRS(r11) |
234 |
+diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c |
235 |
+index 4621905bdd9ea..121fca2bcd82b 100644 |
236 |
+--- a/arch/powerpc/kvm/book3s_hv_builtin.c |
237 |
++++ b/arch/powerpc/kvm/book3s_hv_builtin.c |
238 |
+@@ -867,6 +867,7 @@ static void flush_guest_tlb(struct kvm *kvm) |
239 |
+ "r" (0) : "memory"); |
240 |
+ } |
241 |
+ asm volatile("ptesync": : :"memory"); |
242 |
++ // POWER9 congruence-class TLBIEL leaves ERAT. Flush it now. |
243 |
+ asm volatile(PPC_RADIX_INVALIDATE_ERAT_GUEST : : :"memory"); |
244 |
+ } else { |
245 |
+ for (set = 0; set < kvm->arch.tlb_sets; ++set) { |
246 |
+@@ -877,7 +878,9 @@ static void flush_guest_tlb(struct kvm *kvm) |
247 |
+ rb += PPC_BIT(51); /* increment set number */ |
248 |
+ } |
249 |
+ asm volatile("ptesync": : :"memory"); |
250 |
+- asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT : : :"memory"); |
251 |
++ // POWER9 congruence-class TLBIEL leaves ERAT. Flush it now. |
252 |
++ if (cpu_has_feature(CPU_FTR_ARCH_300)) |
253 |
++ asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT : : :"memory"); |
254 |
+ } |
255 |
+ } |
256 |
+ |
257 |
+diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c |
258 |
+index 18205f851c247..fabaedddc90cb 100644 |
259 |
+--- a/arch/s390/mm/pgtable.c |
260 |
++++ b/arch/s390/mm/pgtable.c |
261 |
+@@ -988,6 +988,7 @@ EXPORT_SYMBOL(get_guest_storage_key); |
262 |
+ int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc, |
263 |
+ unsigned long *oldpte, unsigned long *oldpgste) |
264 |
+ { |
265 |
++ struct vm_area_struct *vma; |
266 |
+ unsigned long pgstev; |
267 |
+ spinlock_t *ptl; |
268 |
+ pgste_t pgste; |
269 |
+@@ -997,6 +998,10 @@ int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc, |
270 |
+ WARN_ON_ONCE(orc > ESSA_MAX); |
271 |
+ if (unlikely(orc > ESSA_MAX)) |
272 |
+ return -EINVAL; |
273 |
++ |
274 |
++ vma = find_vma(mm, hva); |
275 |
++ if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) |
276 |
++ return -EFAULT; |
277 |
+ ptep = get_locked_pte(mm, hva, &ptl); |
278 |
+ if (unlikely(!ptep)) |
279 |
+ return -EFAULT; |
280 |
+@@ -1089,10 +1094,14 @@ EXPORT_SYMBOL(pgste_perform_essa); |
281 |
+ int set_pgste_bits(struct mm_struct *mm, unsigned long hva, |
282 |
+ unsigned long bits, unsigned long value) |
283 |
+ { |
284 |
++ struct vm_area_struct *vma; |
285 |
+ spinlock_t *ptl; |
286 |
+ pgste_t new; |
287 |
+ pte_t *ptep; |
288 |
+ |
289 |
++ vma = find_vma(mm, hva); |
290 |
++ if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) |
291 |
++ return -EFAULT; |
292 |
+ ptep = get_locked_pte(mm, hva, &ptl); |
293 |
+ if (unlikely(!ptep)) |
294 |
+ return -EFAULT; |
295 |
+@@ -1117,9 +1126,13 @@ EXPORT_SYMBOL(set_pgste_bits); |
296 |
+ */ |
297 |
+ int get_pgste(struct mm_struct *mm, unsigned long hva, unsigned long *pgstep) |
298 |
+ { |
299 |
++ struct vm_area_struct *vma; |
300 |
+ spinlock_t *ptl; |
301 |
+ pte_t *ptep; |
302 |
+ |
303 |
++ vma = find_vma(mm, hva); |
304 |
++ if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) |
305 |
++ return -EFAULT; |
306 |
+ ptep = get_locked_pte(mm, hva, &ptl); |
307 |
+ if (unlikely(!ptep)) |
308 |
+ return -EFAULT; |
309 |
+diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c |
310 |
+index e3dd64aa43737..18bd428f11ac0 100644 |
311 |
+--- a/drivers/acpi/property.c |
312 |
++++ b/drivers/acpi/property.c |
313 |
+@@ -1110,15 +1110,10 @@ struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode) |
314 |
+ /* All data nodes have parent pointer so just return that */ |
315 |
+ return to_acpi_data_node(fwnode)->parent; |
316 |
+ } else if (is_acpi_device_node(fwnode)) { |
317 |
+- acpi_handle handle, parent_handle; |
318 |
++ struct device *dev = to_acpi_device_node(fwnode)->dev.parent; |
319 |
+ |
320 |
+- handle = to_acpi_device_node(fwnode)->handle; |
321 |
+- if (ACPI_SUCCESS(acpi_get_parent(handle, &parent_handle))) { |
322 |
+- struct acpi_device *adev; |
323 |
+- |
324 |
+- if (!acpi_bus_get_device(parent_handle, &adev)) |
325 |
+- return acpi_fwnode_handle(adev); |
326 |
+- } |
327 |
++ if (dev) |
328 |
++ return acpi_fwnode_handle(to_acpi_device(dev)); |
329 |
+ } |
330 |
+ |
331 |
+ return NULL; |
332 |
+diff --git a/drivers/android/binder.c b/drivers/android/binder.c |
333 |
+index 8f14ad7ab5bd8..a1255971e50ce 100644 |
334 |
+--- a/drivers/android/binder.c |
335 |
++++ b/drivers/android/binder.c |
336 |
+@@ -3091,7 +3091,7 @@ static void binder_transaction(struct binder_proc *proc, |
337 |
+ t->from = thread; |
338 |
+ else |
339 |
+ t->from = NULL; |
340 |
+- t->sender_euid = proc->cred->euid; |
341 |
++ t->sender_euid = task_euid(proc->tsk); |
342 |
+ t->to_proc = target_proc; |
343 |
+ t->to_thread = target_thread; |
344 |
+ t->code = tr->code; |
345 |
+diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c |
346 |
+index 10078a7435644..ff7b62597b525 100644 |
347 |
+--- a/drivers/block/xen-blkfront.c |
348 |
++++ b/drivers/block/xen-blkfront.c |
349 |
+@@ -80,6 +80,7 @@ enum blkif_state { |
350 |
+ BLKIF_STATE_DISCONNECTED, |
351 |
+ BLKIF_STATE_CONNECTED, |
352 |
+ BLKIF_STATE_SUSPENDED, |
353 |
++ BLKIF_STATE_ERROR, |
354 |
+ }; |
355 |
+ |
356 |
+ struct grant { |
357 |
+@@ -89,6 +90,7 @@ struct grant { |
358 |
+ }; |
359 |
+ |
360 |
+ enum blk_req_status { |
361 |
++ REQ_PROCESSING, |
362 |
+ REQ_WAITING, |
363 |
+ REQ_DONE, |
364 |
+ REQ_ERROR, |
365 |
+@@ -543,10 +545,10 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo, |
366 |
+ |
367 |
+ id = get_id_from_freelist(rinfo); |
368 |
+ rinfo->shadow[id].request = req; |
369 |
+- rinfo->shadow[id].status = REQ_WAITING; |
370 |
++ rinfo->shadow[id].status = REQ_PROCESSING; |
371 |
+ rinfo->shadow[id].associated_id = NO_ASSOCIATED_ID; |
372 |
+ |
373 |
+- (*ring_req)->u.rw.id = id; |
374 |
++ rinfo->shadow[id].req.u.rw.id = id; |
375 |
+ |
376 |
+ return id; |
377 |
+ } |
378 |
+@@ -554,11 +556,12 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo, |
379 |
+ static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_info *rinfo) |
380 |
+ { |
381 |
+ struct blkfront_info *info = rinfo->dev_info; |
382 |
+- struct blkif_request *ring_req; |
383 |
++ struct blkif_request *ring_req, *final_ring_req; |
384 |
+ unsigned long id; |
385 |
+ |
386 |
+ /* Fill out a communications ring structure. */ |
387 |
+- id = blkif_ring_get_request(rinfo, req, &ring_req); |
388 |
++ id = blkif_ring_get_request(rinfo, req, &final_ring_req); |
389 |
++ ring_req = &rinfo->shadow[id].req; |
390 |
+ |
391 |
+ ring_req->operation = BLKIF_OP_DISCARD; |
392 |
+ ring_req->u.discard.nr_sectors = blk_rq_sectors(req); |
393 |
+@@ -569,8 +572,9 @@ static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_inf |
394 |
+ else |
395 |
+ ring_req->u.discard.flag = 0; |
396 |
+ |
397 |
+- /* Keep a private copy so we can reissue requests when recovering. */ |
398 |
+- rinfo->shadow[id].req = *ring_req; |
399 |
++ /* Copy the request to the ring page. */ |
400 |
++ *final_ring_req = *ring_req; |
401 |
++ rinfo->shadow[id].status = REQ_WAITING; |
402 |
+ |
403 |
+ return 0; |
404 |
+ } |
405 |
+@@ -703,6 +707,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri |
406 |
+ { |
407 |
+ struct blkfront_info *info = rinfo->dev_info; |
408 |
+ struct blkif_request *ring_req, *extra_ring_req = NULL; |
409 |
++ struct blkif_request *final_ring_req, *final_extra_ring_req = NULL; |
410 |
+ unsigned long id, extra_id = NO_ASSOCIATED_ID; |
411 |
+ bool require_extra_req = false; |
412 |
+ int i; |
413 |
+@@ -747,7 +752,8 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri |
414 |
+ } |
415 |
+ |
416 |
+ /* Fill out a communications ring structure. */ |
417 |
+- id = blkif_ring_get_request(rinfo, req, &ring_req); |
418 |
++ id = blkif_ring_get_request(rinfo, req, &final_ring_req); |
419 |
++ ring_req = &rinfo->shadow[id].req; |
420 |
+ |
421 |
+ num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg); |
422 |
+ num_grant = 0; |
423 |
+@@ -798,7 +804,9 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri |
424 |
+ ring_req->u.rw.nr_segments = num_grant; |
425 |
+ if (unlikely(require_extra_req)) { |
426 |
+ extra_id = blkif_ring_get_request(rinfo, req, |
427 |
+- &extra_ring_req); |
428 |
++ &final_extra_ring_req); |
429 |
++ extra_ring_req = &rinfo->shadow[extra_id].req; |
430 |
++ |
431 |
+ /* |
432 |
+ * Only the first request contains the scatter-gather |
433 |
+ * list. |
434 |
+@@ -840,10 +848,13 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri |
435 |
+ if (setup.segments) |
436 |
+ kunmap_atomic(setup.segments); |
437 |
+ |
438 |
+- /* Keep a private copy so we can reissue requests when recovering. */ |
439 |
+- rinfo->shadow[id].req = *ring_req; |
440 |
+- if (unlikely(require_extra_req)) |
441 |
+- rinfo->shadow[extra_id].req = *extra_ring_req; |
442 |
++ /* Copy request(s) to the ring page. */ |
443 |
++ *final_ring_req = *ring_req; |
444 |
++ rinfo->shadow[id].status = REQ_WAITING; |
445 |
++ if (unlikely(require_extra_req)) { |
446 |
++ *final_extra_ring_req = *extra_ring_req; |
447 |
++ rinfo->shadow[extra_id].status = REQ_WAITING; |
448 |
++ } |
449 |
+ |
450 |
+ if (new_persistent_gnts) |
451 |
+ gnttab_free_grant_references(setup.gref_head); |
452 |
+@@ -1415,8 +1426,8 @@ static enum blk_req_status blkif_rsp_to_req_status(int rsp) |
453 |
+ static int blkif_get_final_status(enum blk_req_status s1, |
454 |
+ enum blk_req_status s2) |
455 |
+ { |
456 |
+- BUG_ON(s1 == REQ_WAITING); |
457 |
+- BUG_ON(s2 == REQ_WAITING); |
458 |
++ BUG_ON(s1 < REQ_DONE); |
459 |
++ BUG_ON(s2 < REQ_DONE); |
460 |
+ |
461 |
+ if (s1 == REQ_ERROR || s2 == REQ_ERROR) |
462 |
+ return BLKIF_RSP_ERROR; |
463 |
+@@ -1449,7 +1460,7 @@ static bool blkif_completion(unsigned long *id, |
464 |
+ s->status = blkif_rsp_to_req_status(bret->status); |
465 |
+ |
466 |
+ /* Wait the second response if not yet here. */ |
467 |
+- if (s2->status == REQ_WAITING) |
468 |
++ if (s2->status < REQ_DONE) |
469 |
+ return false; |
470 |
+ |
471 |
+ bret->status = blkif_get_final_status(s->status, |
472 |
+@@ -1557,7 +1568,7 @@ static bool blkif_completion(unsigned long *id, |
473 |
+ static irqreturn_t blkif_interrupt(int irq, void *dev_id) |
474 |
+ { |
475 |
+ struct request *req; |
476 |
+- struct blkif_response *bret; |
477 |
++ struct blkif_response bret; |
478 |
+ RING_IDX i, rp; |
479 |
+ unsigned long flags; |
480 |
+ struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)dev_id; |
481 |
+@@ -1568,54 +1579,76 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) |
482 |
+ |
483 |
+ spin_lock_irqsave(&rinfo->ring_lock, flags); |
484 |
+ again: |
485 |
+- rp = rinfo->ring.sring->rsp_prod; |
486 |
+- rmb(); /* Ensure we see queued responses up to 'rp'. */ |
487 |
++ rp = READ_ONCE(rinfo->ring.sring->rsp_prod); |
488 |
++ virt_rmb(); /* Ensure we see queued responses up to 'rp'. */ |
489 |
++ if (RING_RESPONSE_PROD_OVERFLOW(&rinfo->ring, rp)) { |
490 |
++ pr_alert("%s: illegal number of responses %u\n", |
491 |
++ info->gd->disk_name, rp - rinfo->ring.rsp_cons); |
492 |
++ goto err; |
493 |
++ } |
494 |
+ |
495 |
+ for (i = rinfo->ring.rsp_cons; i != rp; i++) { |
496 |
+ unsigned long id; |
497 |
++ unsigned int op; |
498 |
++ |
499 |
++ RING_COPY_RESPONSE(&rinfo->ring, i, &bret); |
500 |
++ id = bret.id; |
501 |
+ |
502 |
+- bret = RING_GET_RESPONSE(&rinfo->ring, i); |
503 |
+- id = bret->id; |
504 |
+ /* |
505 |
+ * The backend has messed up and given us an id that we would |
506 |
+ * never have given to it (we stamp it up to BLK_RING_SIZE - |
507 |
+ * look in get_id_from_freelist. |
508 |
+ */ |
509 |
+ if (id >= BLK_RING_SIZE(info)) { |
510 |
+- WARN(1, "%s: response to %s has incorrect id (%ld)\n", |
511 |
+- info->gd->disk_name, op_name(bret->operation), id); |
512 |
+- /* We can't safely get the 'struct request' as |
513 |
+- * the id is busted. */ |
514 |
+- continue; |
515 |
++ pr_alert("%s: response has incorrect id (%ld)\n", |
516 |
++ info->gd->disk_name, id); |
517 |
++ goto err; |
518 |
+ } |
519 |
++ if (rinfo->shadow[id].status != REQ_WAITING) { |
520 |
++ pr_alert("%s: response references no pending request\n", |
521 |
++ info->gd->disk_name); |
522 |
++ goto err; |
523 |
++ } |
524 |
++ |
525 |
++ rinfo->shadow[id].status = REQ_PROCESSING; |
526 |
+ req = rinfo->shadow[id].request; |
527 |
+ |
528 |
+- if (bret->operation != BLKIF_OP_DISCARD) { |
529 |
++ op = rinfo->shadow[id].req.operation; |
530 |
++ if (op == BLKIF_OP_INDIRECT) |
531 |
++ op = rinfo->shadow[id].req.u.indirect.indirect_op; |
532 |
++ if (bret.operation != op) { |
533 |
++ pr_alert("%s: response has wrong operation (%u instead of %u)\n", |
534 |
++ info->gd->disk_name, bret.operation, op); |
535 |
++ goto err; |
536 |
++ } |
537 |
++ |
538 |
++ if (bret.operation != BLKIF_OP_DISCARD) { |
539 |
+ /* |
540 |
+ * We may need to wait for an extra response if the |
541 |
+ * I/O request is split in 2 |
542 |
+ */ |
543 |
+- if (!blkif_completion(&id, rinfo, bret)) |
544 |
++ if (!blkif_completion(&id, rinfo, &bret)) |
545 |
+ continue; |
546 |
+ } |
547 |
+ |
548 |
+ if (add_id_to_freelist(rinfo, id)) { |
549 |
+ WARN(1, "%s: response to %s (id %ld) couldn't be recycled!\n", |
550 |
+- info->gd->disk_name, op_name(bret->operation), id); |
551 |
++ info->gd->disk_name, op_name(bret.operation), id); |
552 |
+ continue; |
553 |
+ } |
554 |
+ |
555 |
+- if (bret->status == BLKIF_RSP_OKAY) |
556 |
++ if (bret.status == BLKIF_RSP_OKAY) |
557 |
+ blkif_req(req)->error = BLK_STS_OK; |
558 |
+ else |
559 |
+ blkif_req(req)->error = BLK_STS_IOERR; |
560 |
+ |
561 |
+- switch (bret->operation) { |
562 |
++ switch (bret.operation) { |
563 |
+ case BLKIF_OP_DISCARD: |
564 |
+- if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { |
565 |
++ if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) { |
566 |
+ struct request_queue *rq = info->rq; |
567 |
+- printk(KERN_WARNING "blkfront: %s: %s op failed\n", |
568 |
+- info->gd->disk_name, op_name(bret->operation)); |
569 |
++ |
570 |
++ pr_warn_ratelimited("blkfront: %s: %s op failed\n", |
571 |
++ info->gd->disk_name, op_name(bret.operation)); |
572 |
+ blkif_req(req)->error = BLK_STS_NOTSUPP; |
573 |
+ info->feature_discard = 0; |
574 |
+ info->feature_secdiscard = 0; |
575 |
+@@ -1625,15 +1658,15 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) |
576 |
+ break; |
577 |
+ case BLKIF_OP_FLUSH_DISKCACHE: |
578 |
+ case BLKIF_OP_WRITE_BARRIER: |
579 |
+- if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { |
580 |
+- printk(KERN_WARNING "blkfront: %s: %s op failed\n", |
581 |
+- info->gd->disk_name, op_name(bret->operation)); |
582 |
++ if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) { |
583 |
++ pr_warn_ratelimited("blkfront: %s: %s op failed\n", |
584 |
++ info->gd->disk_name, op_name(bret.operation)); |
585 |
+ blkif_req(req)->error = BLK_STS_NOTSUPP; |
586 |
+ } |
587 |
+- if (unlikely(bret->status == BLKIF_RSP_ERROR && |
588 |
++ if (unlikely(bret.status == BLKIF_RSP_ERROR && |
589 |
+ rinfo->shadow[id].req.u.rw.nr_segments == 0)) { |
590 |
+- printk(KERN_WARNING "blkfront: %s: empty %s op failed\n", |
591 |
+- info->gd->disk_name, op_name(bret->operation)); |
592 |
++ pr_warn_ratelimited("blkfront: %s: empty %s op failed\n", |
593 |
++ info->gd->disk_name, op_name(bret.operation)); |
594 |
+ blkif_req(req)->error = BLK_STS_NOTSUPP; |
595 |
+ } |
596 |
+ if (unlikely(blkif_req(req)->error)) { |
597 |
+@@ -1646,9 +1679,10 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) |
598 |
+ fallthrough; |
599 |
+ case BLKIF_OP_READ: |
600 |
+ case BLKIF_OP_WRITE: |
601 |
+- if (unlikely(bret->status != BLKIF_RSP_OKAY)) |
602 |
+- dev_dbg(&info->xbdev->dev, "Bad return from blkdev data " |
603 |
+- "request: %x\n", bret->status); |
604 |
++ if (unlikely(bret.status != BLKIF_RSP_OKAY)) |
605 |
++ dev_dbg_ratelimited(&info->xbdev->dev, |
606 |
++ "Bad return from blkdev data request: %#x\n", |
607 |
++ bret.status); |
608 |
+ |
609 |
+ break; |
610 |
+ default: |
611 |
+@@ -1674,6 +1708,14 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) |
612 |
+ spin_unlock_irqrestore(&rinfo->ring_lock, flags); |
613 |
+ |
614 |
+ return IRQ_HANDLED; |
615 |
++ |
616 |
++ err: |
617 |
++ info->connected = BLKIF_STATE_ERROR; |
618 |
++ |
619 |
++ spin_unlock_irqrestore(&rinfo->ring_lock, flags); |
620 |
++ |
621 |
++ pr_alert("%s disabled for further use\n", info->gd->disk_name); |
622 |
++ return IRQ_HANDLED; |
623 |
+ } |
624 |
+ |
625 |
+ |
626 |
+diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c |
627 |
+index 9e44479f02842..a4e4aa9a35426 100644 |
628 |
+--- a/drivers/firmware/arm_scmi/scmi_pm_domain.c |
629 |
++++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c |
630 |
+@@ -106,9 +106,7 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) |
631 |
+ scmi_pd_data->domains = domains; |
632 |
+ scmi_pd_data->num_domains = num_domains; |
633 |
+ |
634 |
+- of_genpd_add_provider_onecell(np, scmi_pd_data); |
635 |
+- |
636 |
+- return 0; |
637 |
++ return of_genpd_add_provider_onecell(np, scmi_pd_data); |
638 |
+ } |
639 |
+ |
640 |
+ static const struct scmi_device_id scmi_id_table[] = { |
641 |
+diff --git a/drivers/firmware/smccc/soc_id.c b/drivers/firmware/smccc/soc_id.c |
642 |
+index 581aa5e9b0778..dd7c3d5e8b0bb 100644 |
643 |
+--- a/drivers/firmware/smccc/soc_id.c |
644 |
++++ b/drivers/firmware/smccc/soc_id.c |
645 |
+@@ -50,7 +50,7 @@ static int __init smccc_soc_init(void) |
646 |
+ arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID, |
647 |
+ ARM_SMCCC_ARCH_SOC_ID, &res); |
648 |
+ |
649 |
+- if (res.a0 == SMCCC_RET_NOT_SUPPORTED) { |
650 |
++ if ((int)res.a0 == SMCCC_RET_NOT_SUPPORTED) { |
651 |
+ pr_info("ARCH_SOC_ID not implemented, skipping ....\n"); |
652 |
+ return 0; |
653 |
+ } |
654 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |
655 |
+index c7d6a677d86d8..bea451a39d601 100644 |
656 |
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |
657 |
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |
658 |
+@@ -137,6 +137,11 @@ MODULE_FIRMWARE("amdgpu/green_sardine_rlc.bin"); |
659 |
+ #define mmTCP_CHAN_STEER_5_ARCT 0x0b0c |
660 |
+ #define mmTCP_CHAN_STEER_5_ARCT_BASE_IDX 0 |
661 |
+ |
662 |
++#define mmGOLDEN_TSC_COUNT_UPPER_Renoir 0x0025 |
663 |
++#define mmGOLDEN_TSC_COUNT_UPPER_Renoir_BASE_IDX 1 |
664 |
++#define mmGOLDEN_TSC_COUNT_LOWER_Renoir 0x0026 |
665 |
++#define mmGOLDEN_TSC_COUNT_LOWER_Renoir_BASE_IDX 1 |
666 |
++ |
667 |
+ enum ta_ras_gfx_subblock { |
668 |
+ /*CPC*/ |
669 |
+ TA_RAS_BLOCK__GFX_CPC_INDEX_START = 0, |
670 |
+@@ -4147,19 +4152,38 @@ failed_kiq_read: |
671 |
+ |
672 |
+ static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev) |
673 |
+ { |
674 |
+- uint64_t clock; |
675 |
++ uint64_t clock, clock_lo, clock_hi, hi_check; |
676 |
+ |
677 |
+- amdgpu_gfx_off_ctrl(adev, false); |
678 |
+- mutex_lock(&adev->gfx.gpu_clock_mutex); |
679 |
+- if (adev->asic_type == CHIP_VEGA10 && amdgpu_sriov_runtime(adev)) { |
680 |
+- clock = gfx_v9_0_kiq_read_clock(adev); |
681 |
+- } else { |
682 |
+- WREG32_SOC15(GC, 0, mmRLC_CAPTURE_GPU_CLOCK_COUNT, 1); |
683 |
+- clock = (uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_LSB) | |
684 |
+- ((uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB) << 32ULL); |
685 |
++ switch (adev->asic_type) { |
686 |
++ case CHIP_RENOIR: |
687 |
++ preempt_disable(); |
688 |
++ clock_hi = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_UPPER_Renoir); |
689 |
++ clock_lo = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_LOWER_Renoir); |
690 |
++ hi_check = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_UPPER_Renoir); |
691 |
++ /* The SMUIO TSC clock frequency is 100MHz, which sets 32-bit carry over |
692 |
++ * roughly every 42 seconds. |
693 |
++ */ |
694 |
++ if (hi_check != clock_hi) { |
695 |
++ clock_lo = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_LOWER_Renoir); |
696 |
++ clock_hi = hi_check; |
697 |
++ } |
698 |
++ preempt_enable(); |
699 |
++ clock = clock_lo | (clock_hi << 32ULL); |
700 |
++ break; |
701 |
++ default: |
702 |
++ amdgpu_gfx_off_ctrl(adev, false); |
703 |
++ mutex_lock(&adev->gfx.gpu_clock_mutex); |
704 |
++ if (adev->asic_type == CHIP_VEGA10 && amdgpu_sriov_runtime(adev)) { |
705 |
++ clock = gfx_v9_0_kiq_read_clock(adev); |
706 |
++ } else { |
707 |
++ WREG32_SOC15(GC, 0, mmRLC_CAPTURE_GPU_CLOCK_COUNT, 1); |
708 |
++ clock = (uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_LSB) | |
709 |
++ ((uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB) << 32ULL); |
710 |
++ } |
711 |
++ mutex_unlock(&adev->gfx.gpu_clock_mutex); |
712 |
++ amdgpu_gfx_off_ctrl(adev, true); |
713 |
++ break; |
714 |
+ } |
715 |
+- mutex_unlock(&adev->gfx.gpu_clock_mutex); |
716 |
+- amdgpu_gfx_off_ctrl(adev, true); |
717 |
+ return clock; |
718 |
+ } |
719 |
+ |
720 |
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |
721 |
+index d9525fbedad2d..a5b6f36fe1d72 100644 |
722 |
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |
723 |
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |
724 |
+@@ -1963,8 +1963,8 @@ static int dm_resume(void *handle) |
725 |
+ |
726 |
+ for (i = 0; i < dc_state->stream_count; i++) { |
727 |
+ dc_state->streams[i]->mode_changed = true; |
728 |
+- for (j = 0; j < dc_state->stream_status->plane_count; j++) { |
729 |
+- dc_state->stream_status->plane_states[j]->update_flags.raw |
730 |
++ for (j = 0; j < dc_state->stream_status[i].plane_count; j++) { |
731 |
++ dc_state->stream_status[i].plane_states[j]->update_flags.raw |
732 |
+ = 0xffffffff; |
733 |
+ } |
734 |
+ } |
735 |
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gm200.c |
736 |
+index cd41b2e6cc879..18502fd6ebaa0 100644 |
737 |
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gm200.c |
738 |
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gm200.c |
739 |
+@@ -207,11 +207,13 @@ int |
740 |
+ gm200_acr_wpr_parse(struct nvkm_acr *acr) |
741 |
+ { |
742 |
+ const struct wpr_header *hdr = (void *)acr->wpr_fw->data; |
743 |
++ struct nvkm_acr_lsfw *lsfw; |
744 |
+ |
745 |
+ while (hdr->falcon_id != WPR_HEADER_V0_FALCON_ID_INVALID) { |
746 |
+ wpr_header_dump(&acr->subdev, hdr); |
747 |
+- if (!nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id)) |
748 |
+- return -ENOMEM; |
749 |
++ lsfw = nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id); |
750 |
++ if (IS_ERR(lsfw)) |
751 |
++ return PTR_ERR(lsfw); |
752 |
+ } |
753 |
+ |
754 |
+ return 0; |
755 |
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gp102.c |
756 |
+index 80eb9d8dbc803..e5c8303a5b7b7 100644 |
757 |
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gp102.c |
758 |
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gp102.c |
759 |
+@@ -161,11 +161,13 @@ int |
760 |
+ gp102_acr_wpr_parse(struct nvkm_acr *acr) |
761 |
+ { |
762 |
+ const struct wpr_header_v1 *hdr = (void *)acr->wpr_fw->data; |
763 |
++ struct nvkm_acr_lsfw *lsfw; |
764 |
+ |
765 |
+ while (hdr->falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID) { |
766 |
+ wpr_header_v1_dump(&acr->subdev, hdr); |
767 |
+- if (!nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id)) |
768 |
+- return -ENOMEM; |
769 |
++ lsfw = nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id); |
770 |
++ if (IS_ERR(lsfw)) |
771 |
++ return PTR_ERR(lsfw); |
772 |
+ } |
773 |
+ |
774 |
+ return 0; |
775 |
+diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c |
776 |
+index cc74a3f3a07af..9006b9861c90c 100644 |
777 |
+--- a/drivers/gpu/drm/vc4/vc4_bo.c |
778 |
++++ b/drivers/gpu/drm/vc4/vc4_bo.c |
779 |
+@@ -389,7 +389,7 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size) |
780 |
+ |
781 |
+ bo = kzalloc(sizeof(*bo), GFP_KERNEL); |
782 |
+ if (!bo) |
783 |
+- return ERR_PTR(-ENOMEM); |
784 |
++ return NULL; |
785 |
+ |
786 |
+ bo->madv = VC4_MADV_WILLNEED; |
787 |
+ refcount_set(&bo->usecnt, 0); |
788 |
+diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c |
789 |
+index b2719cf37aa52..c25274275258f 100644 |
790 |
+--- a/drivers/hid/wacom_wac.c |
791 |
++++ b/drivers/hid/wacom_wac.c |
792 |
+@@ -2578,6 +2578,9 @@ static void wacom_wac_finger_event(struct hid_device *hdev, |
793 |
+ return; |
794 |
+ |
795 |
+ switch (equivalent_usage) { |
796 |
++ case HID_DG_CONFIDENCE: |
797 |
++ wacom_wac->hid_data.confidence = value; |
798 |
++ break; |
799 |
+ case HID_GD_X: |
800 |
+ wacom_wac->hid_data.x = value; |
801 |
+ break; |
802 |
+@@ -2610,7 +2613,8 @@ static void wacom_wac_finger_event(struct hid_device *hdev, |
803 |
+ } |
804 |
+ |
805 |
+ if (usage->usage_index + 1 == field->report_count) { |
806 |
+- if (equivalent_usage == wacom_wac->hid_data.last_slot_field) |
807 |
++ if (equivalent_usage == wacom_wac->hid_data.last_slot_field && |
808 |
++ wacom_wac->hid_data.confidence) |
809 |
+ wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); |
810 |
+ } |
811 |
+ } |
812 |
+@@ -2625,6 +2629,8 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, |
813 |
+ |
814 |
+ wacom_wac->is_invalid_bt_frame = false; |
815 |
+ |
816 |
++ hid_data->confidence = true; |
817 |
++ |
818 |
+ for (i = 0; i < report->maxfield; i++) { |
819 |
+ struct hid_field *field = report->field[i]; |
820 |
+ int j; |
821 |
+diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h |
822 |
+index e3835407e8d23..8dea7cb298e69 100644 |
823 |
+--- a/drivers/hid/wacom_wac.h |
824 |
++++ b/drivers/hid/wacom_wac.h |
825 |
+@@ -300,6 +300,7 @@ struct hid_data { |
826 |
+ bool tipswitch; |
827 |
+ bool barrelswitch; |
828 |
+ bool barrelswitch2; |
829 |
++ bool confidence; |
830 |
+ int x; |
831 |
+ int y; |
832 |
+ int pressure; |
833 |
+diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c |
834 |
+index 5ecc0bc608ec6..fb61bdca4c2c1 100644 |
835 |
+--- a/drivers/iommu/amd/iommu_v2.c |
836 |
++++ b/drivers/iommu/amd/iommu_v2.c |
837 |
+@@ -927,10 +927,8 @@ static int __init amd_iommu_v2_init(void) |
838 |
+ { |
839 |
+ int ret; |
840 |
+ |
841 |
+- pr_info("AMD IOMMUv2 driver by Joerg Roedel <jroedel@××××.de>\n"); |
842 |
+- |
843 |
+ if (!amd_iommu_v2_supported()) { |
844 |
+- pr_info("AMD IOMMUv2 functionality not available on this system\n"); |
845 |
++ pr_info("AMD IOMMUv2 functionality not available on this system - This is not a bug.\n"); |
846 |
+ /* |
847 |
+ * Load anyway to provide the symbols to other modules |
848 |
+ * which may use AMD IOMMUv2 optionally. |
849 |
+@@ -947,6 +945,8 @@ static int __init amd_iommu_v2_init(void) |
850 |
+ |
851 |
+ amd_iommu_register_ppr_notifier(&ppr_nb); |
852 |
+ |
853 |
++ pr_info("AMD IOMMUv2 loaded and initialized\n"); |
854 |
++ |
855 |
+ return 0; |
856 |
+ |
857 |
+ out: |
858 |
+diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c |
859 |
+index d5d5d28d0b36a..2e5698fbc3a87 100644 |
860 |
+--- a/drivers/media/cec/core/cec-adap.c |
861 |
++++ b/drivers/media/cec/core/cec-adap.c |
862 |
+@@ -1199,6 +1199,7 @@ void cec_received_msg_ts(struct cec_adapter *adap, |
863 |
+ if (abort) |
864 |
+ dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT; |
865 |
+ msg->flags = dst->flags; |
866 |
++ msg->sequence = dst->sequence; |
867 |
+ /* Remove it from the wait_queue */ |
868 |
+ list_del_init(&data->list); |
869 |
+ |
870 |
+diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c |
871 |
+index 20cbd71cba9d9..a4bd85b200a3e 100644 |
872 |
+--- a/drivers/mmc/host/sdhci-esdhc-imx.c |
873 |
++++ b/drivers/mmc/host/sdhci-esdhc-imx.c |
874 |
+@@ -263,7 +263,6 @@ static struct esdhc_soc_data usdhc_imx8qxp_data = { |
875 |
+ .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING |
876 |
+ | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 |
877 |
+ | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES |
878 |
+- | ESDHC_FLAG_CQHCI |
879 |
+ | ESDHC_FLAG_STATE_LOST_IN_LPMODE |
880 |
+ | ESDHC_FLAG_CLK_RATE_LOST_IN_PM_RUNTIME, |
881 |
+ }; |
882 |
+@@ -272,7 +271,6 @@ static struct esdhc_soc_data usdhc_imx8mm_data = { |
883 |
+ .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING |
884 |
+ | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 |
885 |
+ | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES |
886 |
+- | ESDHC_FLAG_CQHCI |
887 |
+ | ESDHC_FLAG_STATE_LOST_IN_LPMODE, |
888 |
+ }; |
889 |
+ |
890 |
+diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c |
891 |
+index 07d131fac7606..d42e86cdff12e 100644 |
892 |
+--- a/drivers/mmc/host/sdhci.c |
893 |
++++ b/drivers/mmc/host/sdhci.c |
894 |
+@@ -772,7 +772,19 @@ static void sdhci_adma_table_pre(struct sdhci_host *host, |
895 |
+ len -= offset; |
896 |
+ } |
897 |
+ |
898 |
+- BUG_ON(len > 65536); |
899 |
++ /* |
900 |
++ * The block layer forces a minimum segment size of PAGE_SIZE, |
901 |
++ * so 'len' can be too big here if PAGE_SIZE >= 64KiB. Write |
902 |
++ * multiple descriptors, noting that the ADMA table is sized |
903 |
++ * for 4KiB chunks anyway, so it will be big enough. |
904 |
++ */ |
905 |
++ while (len > host->max_adma) { |
906 |
++ int n = 32 * 1024; /* 32KiB*/ |
907 |
++ |
908 |
++ __sdhci_adma_write_desc(host, &desc, addr, n, ADMA2_TRAN_VALID); |
909 |
++ addr += n; |
910 |
++ len -= n; |
911 |
++ } |
912 |
+ |
913 |
+ /* tran, valid */ |
914 |
+ if (len) |
915 |
+@@ -3948,6 +3960,7 @@ struct sdhci_host *sdhci_alloc_host(struct device *dev, |
916 |
+ * descriptor for each segment, plus 1 for a nop end descriptor. |
917 |
+ */ |
918 |
+ host->adma_table_cnt = SDHCI_MAX_SEGS * 2 + 1; |
919 |
++ host->max_adma = 65536; |
920 |
+ |
921 |
+ return host; |
922 |
+ } |
923 |
+@@ -4611,10 +4624,12 @@ int sdhci_setup_host(struct sdhci_host *host) |
924 |
+ * be larger than 64 KiB though. |
925 |
+ */ |
926 |
+ if (host->flags & SDHCI_USE_ADMA) { |
927 |
+- if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC) |
928 |
++ if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC) { |
929 |
++ host->max_adma = 65532; /* 32-bit alignment */ |
930 |
+ mmc->max_seg_size = 65535; |
931 |
+- else |
932 |
++ } else { |
933 |
+ mmc->max_seg_size = 65536; |
934 |
++ } |
935 |
+ } else { |
936 |
+ mmc->max_seg_size = mmc->max_req_size; |
937 |
+ } |
938 |
+diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h |
939 |
+index 960fed78529e1..8b1650f37fbba 100644 |
940 |
+--- a/drivers/mmc/host/sdhci.h |
941 |
++++ b/drivers/mmc/host/sdhci.h |
942 |
+@@ -338,7 +338,8 @@ struct sdhci_adma2_64_desc { |
943 |
+ |
944 |
+ /* |
945 |
+ * Maximum segments assuming a 512KiB maximum requisition size and a minimum |
946 |
+- * 4KiB page size. |
947 |
++ * 4KiB page size. Note this also allows enough for multiple descriptors in |
948 |
++ * case of PAGE_SIZE >= 64KiB. |
949 |
+ */ |
950 |
+ #define SDHCI_MAX_SEGS 128 |
951 |
+ |
952 |
+@@ -540,6 +541,7 @@ struct sdhci_host { |
953 |
+ unsigned int blocks; /* remaining PIO blocks */ |
954 |
+ |
955 |
+ int sg_count; /* Mapped sg entries */ |
956 |
++ int max_adma; /* Max. length in ADMA descriptor */ |
957 |
+ |
958 |
+ void *adma_table; /* ADMA descriptor table */ |
959 |
+ void *align_buffer; /* Bounce buffer */ |
960 |
+diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c |
961 |
+index e27af38f6b161..6e7da1dc2e8c3 100644 |
962 |
+--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c |
963 |
++++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c |
964 |
+@@ -679,9 +679,9 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) |
965 |
+ roundup_size = ilog2(roundup_size); |
966 |
+ |
967 |
+ for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { |
968 |
+- tc_valid[i] = !!(hdev->hw_tc_map & BIT(i)); |
969 |
++ tc_valid[i] = 1; |
970 |
+ tc_size[i] = roundup_size; |
971 |
+- tc_offset[i] = rss_size * i; |
972 |
++ tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0; |
973 |
+ } |
974 |
+ |
975 |
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false); |
976 |
+diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c |
977 |
+index ea85b06857fa2..90f5ec982d513 100644 |
978 |
+--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c |
979 |
++++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c |
980 |
+@@ -719,12 +719,31 @@ static int iavf_get_per_queue_coalesce(struct net_device *netdev, u32 queue, |
981 |
+ * |
982 |
+ * Change the ITR settings for a specific queue. |
983 |
+ **/ |
984 |
+-static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, |
985 |
+- struct ethtool_coalesce *ec, int queue) |
986 |
++static int iavf_set_itr_per_queue(struct iavf_adapter *adapter, |
987 |
++ struct ethtool_coalesce *ec, int queue) |
988 |
+ { |
989 |
+ struct iavf_ring *rx_ring = &adapter->rx_rings[queue]; |
990 |
+ struct iavf_ring *tx_ring = &adapter->tx_rings[queue]; |
991 |
+ struct iavf_q_vector *q_vector; |
992 |
++ u16 itr_setting; |
993 |
++ |
994 |
++ itr_setting = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; |
995 |
++ |
996 |
++ if (ec->rx_coalesce_usecs != itr_setting && |
997 |
++ ec->use_adaptive_rx_coalesce) { |
998 |
++ netif_info(adapter, drv, adapter->netdev, |
999 |
++ "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); |
1000 |
++ return -EINVAL; |
1001 |
++ } |
1002 |
++ |
1003 |
++ itr_setting = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; |
1004 |
++ |
1005 |
++ if (ec->tx_coalesce_usecs != itr_setting && |
1006 |
++ ec->use_adaptive_tx_coalesce) { |
1007 |
++ netif_info(adapter, drv, adapter->netdev, |
1008 |
++ "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); |
1009 |
++ return -EINVAL; |
1010 |
++ } |
1011 |
+ |
1012 |
+ rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); |
1013 |
+ tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); |
1014 |
+@@ -747,6 +766,7 @@ static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, |
1015 |
+ * the Tx and Rx ITR values based on the values we have entered |
1016 |
+ * into the q_vector, no need to write the values now. |
1017 |
+ */ |
1018 |
++ return 0; |
1019 |
+ } |
1020 |
+ |
1021 |
+ /** |
1022 |
+@@ -788,9 +808,11 @@ static int __iavf_set_coalesce(struct net_device *netdev, |
1023 |
+ */ |
1024 |
+ if (queue < 0) { |
1025 |
+ for (i = 0; i < adapter->num_active_queues; i++) |
1026 |
+- iavf_set_itr_per_queue(adapter, ec, i); |
1027 |
++ if (iavf_set_itr_per_queue(adapter, ec, i)) |
1028 |
++ return -EINVAL; |
1029 |
+ } else if (queue < adapter->num_active_queues) { |
1030 |
+- iavf_set_itr_per_queue(adapter, ec, queue); |
1031 |
++ if (iavf_set_itr_per_queue(adapter, ec, queue)) |
1032 |
++ return -EINVAL; |
1033 |
+ } else { |
1034 |
+ netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", |
1035 |
+ adapter->num_active_queues - 1); |
1036 |
+diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c |
1037 |
+index dc944d605a741..52ac6cc08e83e 100644 |
1038 |
+--- a/drivers/net/ethernet/intel/ice/ice_lib.c |
1039 |
++++ b/drivers/net/ethernet/intel/ice/ice_lib.c |
1040 |
+@@ -83,8 +83,13 @@ static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) |
1041 |
+ if (!vsi->rx_rings) |
1042 |
+ goto err_rings; |
1043 |
+ |
1044 |
+- /* XDP will have vsi->alloc_txq Tx queues as well, so double the size */ |
1045 |
+- vsi->txq_map = devm_kcalloc(dev, (2 * vsi->alloc_txq), |
1046 |
++ /* txq_map needs to have enough space to track both Tx (stack) rings |
1047 |
++ * and XDP rings; at this point vsi->num_xdp_txq might not be set, |
1048 |
++ * so use num_possible_cpus() as we want to always provide XDP ring |
1049 |
++ * per CPU, regardless of queue count settings from user that might |
1050 |
++ * have come from ethtool's set_channels() callback; |
1051 |
++ */ |
1052 |
++ vsi->txq_map = devm_kcalloc(dev, (vsi->alloc_txq + num_possible_cpus()), |
1053 |
+ sizeof(*vsi->txq_map), GFP_KERNEL); |
1054 |
+ |
1055 |
+ if (!vsi->txq_map) |
1056 |
+diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c |
1057 |
+index 5b67d24b2b5ed..746a5bd178d3b 100644 |
1058 |
+--- a/drivers/net/ethernet/intel/ice/ice_main.c |
1059 |
++++ b/drivers/net/ethernet/intel/ice/ice_main.c |
1060 |
+@@ -2397,7 +2397,18 @@ int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) |
1061 |
+ ice_stat_str(status)); |
1062 |
+ goto clear_xdp_rings; |
1063 |
+ } |
1064 |
+- ice_vsi_assign_bpf_prog(vsi, prog); |
1065 |
++ |
1066 |
++ /* assign the prog only when it's not already present on VSI; |
1067 |
++ * this flow is a subject of both ethtool -L and ndo_bpf flows; |
1068 |
++ * VSI rebuild that happens under ethtool -L can expose us to |
1069 |
++ * the bpf_prog refcount issues as we would be swapping same |
1070 |
++ * bpf_prog pointers from vsi->xdp_prog and calling bpf_prog_put |
1071 |
++ * on it as it would be treated as an 'old_prog'; for ndo_bpf |
1072 |
++ * this is not harmful as dev_xdp_install bumps the refcount |
1073 |
++ * before calling the op exposed by the driver; |
1074 |
++ */ |
1075 |
++ if (!ice_is_xdp_ena_vsi(vsi)) |
1076 |
++ ice_vsi_assign_bpf_prog(vsi, prog); |
1077 |
+ |
1078 |
+ return 0; |
1079 |
+ clear_xdp_rings: |
1080 |
+@@ -2527,6 +2538,11 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, |
1081 |
+ if (xdp_ring_err) |
1082 |
+ NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); |
1083 |
+ } else { |
1084 |
++ /* safe to call even when prog == vsi->xdp_prog as |
1085 |
++ * dev_xdp_install in net/core/dev.c incremented prog's |
1086 |
++ * refcount so corresponding bpf_prog_put won't cause |
1087 |
++ * underflow |
1088 |
++ */ |
1089 |
+ ice_vsi_assign_bpf_prog(vsi, prog); |
1090 |
+ } |
1091 |
+ |
1092 |
+diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c |
1093 |
+index e24fb122c03a2..d5432d1448c05 100644 |
1094 |
+--- a/drivers/net/ethernet/intel/igb/igb_main.c |
1095 |
++++ b/drivers/net/ethernet/intel/igb/igb_main.c |
1096 |
+@@ -8032,7 +8032,7 @@ static int igb_poll(struct napi_struct *napi, int budget) |
1097 |
+ if (likely(napi_complete_done(napi, work_done))) |
1098 |
+ igb_ring_irq_enable(q_vector); |
1099 |
+ |
1100 |
+- return min(work_done, budget - 1); |
1101 |
++ return work_done; |
1102 |
+ } |
1103 |
+ |
1104 |
+ /** |
1105 |
+diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1106 |
+index ec9b6c564300e..e220d44df2e65 100644 |
1107 |
+--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1108 |
++++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1109 |
+@@ -4652,11 +4652,13 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu) |
1110 |
+ mtu = ALIGN(MVPP2_RX_PKT_SIZE(mtu), 8); |
1111 |
+ } |
1112 |
+ |
1113 |
++ if (port->xdp_prog && mtu > MVPP2_MAX_RX_BUF_SIZE) { |
1114 |
++ netdev_err(dev, "Illegal MTU value %d (> %d) for XDP mode\n", |
1115 |
++ mtu, (int)MVPP2_MAX_RX_BUF_SIZE); |
1116 |
++ return -EINVAL; |
1117 |
++ } |
1118 |
++ |
1119 |
+ if (MVPP2_RX_PKT_SIZE(mtu) > MVPP2_BM_LONG_PKT_SIZE) { |
1120 |
+- if (port->xdp_prog) { |
1121 |
+- netdev_err(dev, "Jumbo frames are not supported with XDP\n"); |
1122 |
+- return -EINVAL; |
1123 |
+- } |
1124 |
+ if (priv->percpu_pools) { |
1125 |
+ netdev_warn(dev, "mtu %d too high, switching to shared buffers", mtu); |
1126 |
+ mvpp2_bm_switch_buffers(priv, false); |
1127 |
+@@ -4942,8 +4944,8 @@ static int mvpp2_xdp_setup(struct mvpp2_port *port, struct netdev_bpf *bpf) |
1128 |
+ bool running = netif_running(port->dev); |
1129 |
+ bool reset = !prog != !port->xdp_prog; |
1130 |
+ |
1131 |
+- if (port->dev->mtu > ETH_DATA_LEN) { |
1132 |
+- NL_SET_ERR_MSG_MOD(bpf->extack, "XDP is not supported with jumbo frames enabled"); |
1133 |
++ if (port->dev->mtu > MVPP2_MAX_RX_BUF_SIZE) { |
1134 |
++ NL_SET_ERR_MSG_MOD(bpf->extack, "MTU too large for XDP"); |
1135 |
+ return -EOPNOTSUPP; |
1136 |
+ } |
1137 |
+ |
1138 |
+diff --git a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c |
1139 |
+index 7d83e1f91ef17..9101d00e96b9d 100644 |
1140 |
+--- a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c |
1141 |
++++ b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c |
1142 |
+@@ -439,8 +439,8 @@ static int prestera_port_bridge_join(struct prestera_port *port, |
1143 |
+ |
1144 |
+ br_port = prestera_bridge_port_add(bridge, port->dev); |
1145 |
+ if (IS_ERR(br_port)) { |
1146 |
+- err = PTR_ERR(br_port); |
1147 |
+- goto err_brport_create; |
1148 |
++ prestera_bridge_put(bridge); |
1149 |
++ return PTR_ERR(br_port); |
1150 |
+ } |
1151 |
+ |
1152 |
+ if (bridge->vlan_enabled) |
1153 |
+@@ -454,8 +454,6 @@ static int prestera_port_bridge_join(struct prestera_port *port, |
1154 |
+ |
1155 |
+ err_port_join: |
1156 |
+ prestera_bridge_port_put(br_port); |
1157 |
+-err_brport_create: |
1158 |
+- prestera_bridge_put(bridge); |
1159 |
+ return err; |
1160 |
+ } |
1161 |
+ |
1162 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/minimal.c b/drivers/net/ethernet/mellanox/mlxsw/minimal.c |
1163 |
+index c010db2c9dba9..443dc44452ef8 100644 |
1164 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/minimal.c |
1165 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/minimal.c |
1166 |
+@@ -234,6 +234,7 @@ static void mlxsw_m_port_remove(struct mlxsw_m *mlxsw_m, u8 local_port) |
1167 |
+ static int mlxsw_m_port_module_map(struct mlxsw_m *mlxsw_m, u8 local_port, |
1168 |
+ u8 *last_module) |
1169 |
+ { |
1170 |
++ unsigned int max_ports = mlxsw_core_max_ports(mlxsw_m->core); |
1171 |
+ u8 module, width; |
1172 |
+ int err; |
1173 |
+ |
1174 |
+@@ -249,6 +250,9 @@ static int mlxsw_m_port_module_map(struct mlxsw_m *mlxsw_m, u8 local_port, |
1175 |
+ if (module == *last_module) |
1176 |
+ return 0; |
1177 |
+ *last_module = module; |
1178 |
++ |
1179 |
++ if (WARN_ON_ONCE(module >= max_ports)) |
1180 |
++ return -EINVAL; |
1181 |
+ mlxsw_m->module_to_port[module] = ++mlxsw_m->max_ports; |
1182 |
+ |
1183 |
+ return 0; |
1184 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c |
1185 |
+index b08853f71b2be..4110e15c22c79 100644 |
1186 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c |
1187 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c |
1188 |
+@@ -2052,9 +2052,14 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, |
1189 |
+ struct mlxsw_sp *mlxsw_sp = priv; |
1190 |
+ struct mlxsw_sp_port *mlxsw_sp_port; |
1191 |
+ enum mlxsw_reg_pude_oper_status status; |
1192 |
++ unsigned int max_ports; |
1193 |
+ u8 local_port; |
1194 |
+ |
1195 |
++ max_ports = mlxsw_core_max_ports(mlxsw_sp->core); |
1196 |
+ local_port = mlxsw_reg_pude_local_port_get(pude_pl); |
1197 |
++ |
1198 |
++ if (WARN_ON_ONCE(!local_port || local_port >= max_ports)) |
1199 |
++ return; |
1200 |
+ mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1201 |
+ if (!mlxsw_sp_port) |
1202 |
+ return; |
1203 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c |
1204 |
+index ca8090a28dec6..50eca2daad843 100644 |
1205 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c |
1206 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c |
1207 |
+@@ -568,10 +568,13 @@ void mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress, |
1208 |
+ u8 domain_number, u16 sequence_id, |
1209 |
+ u64 timestamp) |
1210 |
+ { |
1211 |
++ unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); |
1212 |
+ struct mlxsw_sp_port *mlxsw_sp_port; |
1213 |
+ struct mlxsw_sp1_ptp_key key; |
1214 |
+ u8 types; |
1215 |
+ |
1216 |
++ if (WARN_ON_ONCE(local_port >= max_ports)) |
1217 |
++ return; |
1218 |
+ mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1219 |
+ if (!mlxsw_sp_port) |
1220 |
+ return; |
1221 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c |
1222 |
+index 4381f8c6c3fb7..53128382fc2e0 100644 |
1223 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c |
1224 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c |
1225 |
+@@ -2177,6 +2177,7 @@ static void mlxsw_sp_router_neigh_ent_ipv4_process(struct mlxsw_sp *mlxsw_sp, |
1226 |
+ char *rauhtd_pl, |
1227 |
+ int ent_index) |
1228 |
+ { |
1229 |
++ u64 max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); |
1230 |
+ struct net_device *dev; |
1231 |
+ struct neighbour *n; |
1232 |
+ __be32 dipn; |
1233 |
+@@ -2185,6 +2186,8 @@ static void mlxsw_sp_router_neigh_ent_ipv4_process(struct mlxsw_sp *mlxsw_sp, |
1234 |
+ |
1235 |
+ mlxsw_reg_rauhtd_ent_ipv4_unpack(rauhtd_pl, ent_index, &rif, &dip); |
1236 |
+ |
1237 |
++ if (WARN_ON_ONCE(rif >= max_rifs)) |
1238 |
++ return; |
1239 |
+ if (!mlxsw_sp->router->rifs[rif]) { |
1240 |
+ dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect RIF in neighbour entry\n"); |
1241 |
+ return; |
1242 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c |
1243 |
+index 6501ce94ace58..368fa0e5ad315 100644 |
1244 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c |
1245 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c |
1246 |
+@@ -2410,6 +2410,7 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1247 |
+ char *sfn_pl, int rec_index, |
1248 |
+ bool adding) |
1249 |
+ { |
1250 |
++ unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); |
1251 |
+ struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
1252 |
+ struct mlxsw_sp_bridge_device *bridge_device; |
1253 |
+ struct mlxsw_sp_bridge_port *bridge_port; |
1254 |
+@@ -2422,6 +2423,9 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1255 |
+ int err; |
1256 |
+ |
1257 |
+ mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
1258 |
++ |
1259 |
++ if (WARN_ON_ONCE(local_port >= max_ports)) |
1260 |
++ return; |
1261 |
+ mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1262 |
+ if (!mlxsw_sp_port) { |
1263 |
+ dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); |
1264 |
+diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c |
1265 |
+index 3eea8cf076c48..481f89d193f77 100644 |
1266 |
+--- a/drivers/net/ethernet/microchip/lan743x_main.c |
1267 |
++++ b/drivers/net/ethernet/microchip/lan743x_main.c |
1268 |
+@@ -922,8 +922,7 @@ static int lan743x_phy_reset(struct lan743x_adapter *adapter) |
1269 |
+ } |
1270 |
+ |
1271 |
+ static void lan743x_phy_update_flowcontrol(struct lan743x_adapter *adapter, |
1272 |
+- u8 duplex, u16 local_adv, |
1273 |
+- u16 remote_adv) |
1274 |
++ u16 local_adv, u16 remote_adv) |
1275 |
+ { |
1276 |
+ struct lan743x_phy *phy = &adapter->phy; |
1277 |
+ u8 cap; |
1278 |
+@@ -951,7 +950,6 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) |
1279 |
+ |
1280 |
+ phy_print_status(phydev); |
1281 |
+ if (phydev->state == PHY_RUNNING) { |
1282 |
+- struct ethtool_link_ksettings ksettings; |
1283 |
+ int remote_advertisement = 0; |
1284 |
+ int local_advertisement = 0; |
1285 |
+ |
1286 |
+@@ -988,18 +986,14 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) |
1287 |
+ } |
1288 |
+ lan743x_csr_write(adapter, MAC_CR, data); |
1289 |
+ |
1290 |
+- memset(&ksettings, 0, sizeof(ksettings)); |
1291 |
+- phy_ethtool_get_link_ksettings(netdev, &ksettings); |
1292 |
+ local_advertisement = |
1293 |
+ linkmode_adv_to_mii_adv_t(phydev->advertising); |
1294 |
+ remote_advertisement = |
1295 |
+ linkmode_adv_to_mii_adv_t(phydev->lp_advertising); |
1296 |
+ |
1297 |
+- lan743x_phy_update_flowcontrol(adapter, |
1298 |
+- ksettings.base.duplex, |
1299 |
+- local_advertisement, |
1300 |
++ lan743x_phy_update_flowcontrol(adapter, local_advertisement, |
1301 |
+ remote_advertisement); |
1302 |
+- lan743x_ptp_update_latency(adapter, ksettings.base.speed); |
1303 |
++ lan743x_ptp_update_latency(adapter, phydev->speed); |
1304 |
+ } |
1305 |
+ } |
1306 |
+ |
1307 |
+diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c |
1308 |
+index 8c45b236649a9..52401915828a1 100644 |
1309 |
+--- a/drivers/net/ethernet/mscc/ocelot.c |
1310 |
++++ b/drivers/net/ethernet/mscc/ocelot.c |
1311 |
+@@ -811,12 +811,6 @@ int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr) |
1312 |
+ switch (cfg.rx_filter) { |
1313 |
+ case HWTSTAMP_FILTER_NONE: |
1314 |
+ break; |
1315 |
+- case HWTSTAMP_FILTER_ALL: |
1316 |
+- case HWTSTAMP_FILTER_SOME: |
1317 |
+- case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: |
1318 |
+- case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: |
1319 |
+- case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: |
1320 |
+- case HWTSTAMP_FILTER_NTP_ALL: |
1321 |
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: |
1322 |
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: |
1323 |
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: |
1324 |
+@@ -935,7 +929,10 @@ int ocelot_get_ts_info(struct ocelot *ocelot, int port, |
1325 |
+ SOF_TIMESTAMPING_RAW_HARDWARE; |
1326 |
+ info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON) | |
1327 |
+ BIT(HWTSTAMP_TX_ONESTEP_SYNC); |
1328 |
+- info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); |
1329 |
++ info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | |
1330 |
++ BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | |
1331 |
++ BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | |
1332 |
++ BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT); |
1333 |
+ |
1334 |
+ return 0; |
1335 |
+ } |
1336 |
+diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h |
1337 |
+index df5b748be068c..cc2ce452000a3 100644 |
1338 |
+--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h |
1339 |
++++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h |
1340 |
+@@ -557,7 +557,6 @@ struct nfp_net_dp { |
1341 |
+ * @exn_name: Name for Exception interrupt |
1342 |
+ * @shared_handler: Handler for shared interrupts |
1343 |
+ * @shared_name: Name for shared interrupt |
1344 |
+- * @me_freq_mhz: ME clock_freq (MHz) |
1345 |
+ * @reconfig_lock: Protects @reconfig_posted, @reconfig_timer_active, |
1346 |
+ * @reconfig_sync_present and HW reconfiguration request |
1347 |
+ * regs/machinery from async requests (sync must take |
1348 |
+@@ -640,8 +639,6 @@ struct nfp_net { |
1349 |
+ irq_handler_t shared_handler; |
1350 |
+ char shared_name[IFNAMSIZ + 8]; |
1351 |
+ |
1352 |
+- u32 me_freq_mhz; |
1353 |
+- |
1354 |
+ bool link_up; |
1355 |
+ spinlock_t link_status_lock; |
1356 |
+ |
1357 |
+diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c |
1358 |
+index c036a1d0f8de6..cd0c9623f7dd2 100644 |
1359 |
+--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c |
1360 |
++++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c |
1361 |
+@@ -1347,7 +1347,7 @@ static int nfp_net_set_coalesce(struct net_device *netdev, |
1362 |
+ * ME timestamp ticks. There are 16 ME clock cycles for each timestamp |
1363 |
+ * count. |
1364 |
+ */ |
1365 |
+- factor = nn->me_freq_mhz / 16; |
1366 |
++ factor = nn->tlv_caps.me_freq_mhz / 16; |
1367 |
+ |
1368 |
+ /* Each pair of (usecs, max_frames) fields specifies that interrupts |
1369 |
+ * should be coalesced until |
1370 |
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h |
1371 |
+index a4ca283e02284..617c960cfb5a5 100644 |
1372 |
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h |
1373 |
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h |
1374 |
+@@ -258,6 +258,7 @@ int stmmac_mdio_register(struct net_device *ndev); |
1375 |
+ int stmmac_mdio_reset(struct mii_bus *mii); |
1376 |
+ void stmmac_set_ethtool_ops(struct net_device *netdev); |
1377 |
+ |
1378 |
++int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags); |
1379 |
+ void stmmac_ptp_register(struct stmmac_priv *priv); |
1380 |
+ void stmmac_ptp_unregister(struct stmmac_priv *priv); |
1381 |
+ int stmmac_resume(struct device *dev); |
1382 |
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
1383 |
+index 4a75e73f06bbd..a8c5492cb39be 100644 |
1384 |
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
1385 |
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |
1386 |
+@@ -47,6 +47,13 @@ |
1387 |
+ #include "dwxgmac2.h" |
1388 |
+ #include "hwif.h" |
1389 |
+ |
1390 |
++/* As long as the interface is active, we keep the timestamping counter enabled |
1391 |
++ * with fine resolution and binary rollover. This avoid non-monotonic behavior |
1392 |
++ * (clock jumps) when changing timestamping settings at runtime. |
1393 |
++ */ |
1394 |
++#define STMMAC_HWTS_ACTIVE (PTP_TCR_TSENA | PTP_TCR_TSCFUPDT | \ |
1395 |
++ PTP_TCR_TSCTRLSSR) |
1396 |
++ |
1397 |
+ #define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16) |
1398 |
+ #define TSO_MAX_BUFF_SIZE (SZ_16K - 1) |
1399 |
+ |
1400 |
+@@ -508,8 +515,6 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) |
1401 |
+ { |
1402 |
+ struct stmmac_priv *priv = netdev_priv(dev); |
1403 |
+ struct hwtstamp_config config; |
1404 |
+- struct timespec64 now; |
1405 |
+- u64 temp = 0; |
1406 |
+ u32 ptp_v2 = 0; |
1407 |
+ u32 tstamp_all = 0; |
1408 |
+ u32 ptp_over_ipv4_udp = 0; |
1409 |
+@@ -518,11 +523,6 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) |
1410 |
+ u32 snap_type_sel = 0; |
1411 |
+ u32 ts_master_en = 0; |
1412 |
+ u32 ts_event_en = 0; |
1413 |
+- u32 sec_inc = 0; |
1414 |
+- u32 value = 0; |
1415 |
+- bool xmac; |
1416 |
+- |
1417 |
+- xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; |
1418 |
+ |
1419 |
+ if (!(priv->dma_cap.time_stamp || priv->adv_ts)) { |
1420 |
+ netdev_alert(priv->dev, "No support for HW time stamping\n"); |
1421 |
+@@ -684,42 +684,17 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) |
1422 |
+ priv->hwts_rx_en = ((config.rx_filter == HWTSTAMP_FILTER_NONE) ? 0 : 1); |
1423 |
+ priv->hwts_tx_en = config.tx_type == HWTSTAMP_TX_ON; |
1424 |
+ |
1425 |
+- if (!priv->hwts_tx_en && !priv->hwts_rx_en) |
1426 |
+- stmmac_config_hw_tstamping(priv, priv->ptpaddr, 0); |
1427 |
+- else { |
1428 |
+- value = (PTP_TCR_TSENA | PTP_TCR_TSCFUPDT | PTP_TCR_TSCTRLSSR | |
1429 |
+- tstamp_all | ptp_v2 | ptp_over_ethernet | |
1430 |
+- ptp_over_ipv6_udp | ptp_over_ipv4_udp | ts_event_en | |
1431 |
+- ts_master_en | snap_type_sel); |
1432 |
+- stmmac_config_hw_tstamping(priv, priv->ptpaddr, value); |
1433 |
+- |
1434 |
+- /* program Sub Second Increment reg */ |
1435 |
+- stmmac_config_sub_second_increment(priv, |
1436 |
+- priv->ptpaddr, priv->plat->clk_ptp_rate, |
1437 |
+- xmac, &sec_inc); |
1438 |
+- temp = div_u64(1000000000ULL, sec_inc); |
1439 |
+- |
1440 |
+- /* Store sub second increment and flags for later use */ |
1441 |
+- priv->sub_second_inc = sec_inc; |
1442 |
+- priv->systime_flags = value; |
1443 |
+- |
1444 |
+- /* calculate default added value: |
1445 |
+- * formula is : |
1446 |
+- * addend = (2^32)/freq_div_ratio; |
1447 |
+- * where, freq_div_ratio = 1e9ns/sec_inc |
1448 |
+- */ |
1449 |
+- temp = (u64)(temp << 32); |
1450 |
+- priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); |
1451 |
+- stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); |
1452 |
+- |
1453 |
+- /* initialize system time */ |
1454 |
+- ktime_get_real_ts64(&now); |
1455 |
++ priv->systime_flags = STMMAC_HWTS_ACTIVE; |
1456 |
+ |
1457 |
+- /* lower 32 bits of tv_sec are safe until y2106 */ |
1458 |
+- stmmac_init_systime(priv, priv->ptpaddr, |
1459 |
+- (u32)now.tv_sec, now.tv_nsec); |
1460 |
++ if (priv->hwts_tx_en || priv->hwts_rx_en) { |
1461 |
++ priv->systime_flags |= tstamp_all | ptp_v2 | |
1462 |
++ ptp_over_ethernet | ptp_over_ipv6_udp | |
1463 |
++ ptp_over_ipv4_udp | ts_event_en | |
1464 |
++ ts_master_en | snap_type_sel; |
1465 |
+ } |
1466 |
+ |
1467 |
++ stmmac_config_hw_tstamping(priv, priv->ptpaddr, priv->systime_flags); |
1468 |
++ |
1469 |
+ memcpy(&priv->tstamp_config, &config, sizeof(config)); |
1470 |
+ |
1471 |
+ return copy_to_user(ifr->ifr_data, &config, |
1472 |
+@@ -747,6 +722,66 @@ static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) |
1473 |
+ sizeof(*config)) ? -EFAULT : 0; |
1474 |
+ } |
1475 |
+ |
1476 |
++/** |
1477 |
++ * stmmac_init_tstamp_counter - init hardware timestamping counter |
1478 |
++ * @priv: driver private structure |
1479 |
++ * @systime_flags: timestamping flags |
1480 |
++ * Description: |
1481 |
++ * Initialize hardware counter for packet timestamping. |
1482 |
++ * This is valid as long as the interface is open and not suspended. |
1483 |
++ * Will be rerun after resuming from suspend, case in which the timestamping |
1484 |
++ * flags updated by stmmac_hwtstamp_set() also need to be restored. |
1485 |
++ */ |
1486 |
++int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags) |
1487 |
++{ |
1488 |
++ bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; |
1489 |
++ struct timespec64 now; |
1490 |
++ u32 sec_inc = 0; |
1491 |
++ u64 temp = 0; |
1492 |
++ int ret; |
1493 |
++ |
1494 |
++ if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) |
1495 |
++ return -EOPNOTSUPP; |
1496 |
++ |
1497 |
++ ret = clk_prepare_enable(priv->plat->clk_ptp_ref); |
1498 |
++ if (ret < 0) { |
1499 |
++ netdev_warn(priv->dev, |
1500 |
++ "failed to enable PTP reference clock: %pe\n", |
1501 |
++ ERR_PTR(ret)); |
1502 |
++ return ret; |
1503 |
++ } |
1504 |
++ |
1505 |
++ stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags); |
1506 |
++ priv->systime_flags = systime_flags; |
1507 |
++ |
1508 |
++ /* program Sub Second Increment reg */ |
1509 |
++ stmmac_config_sub_second_increment(priv, priv->ptpaddr, |
1510 |
++ priv->plat->clk_ptp_rate, |
1511 |
++ xmac, &sec_inc); |
1512 |
++ temp = div_u64(1000000000ULL, sec_inc); |
1513 |
++ |
1514 |
++ /* Store sub second increment for later use */ |
1515 |
++ priv->sub_second_inc = sec_inc; |
1516 |
++ |
1517 |
++ /* calculate default added value: |
1518 |
++ * formula is : |
1519 |
++ * addend = (2^32)/freq_div_ratio; |
1520 |
++ * where, freq_div_ratio = 1e9ns/sec_inc |
1521 |
++ */ |
1522 |
++ temp = (u64)(temp << 32); |
1523 |
++ priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); |
1524 |
++ stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); |
1525 |
++ |
1526 |
++ /* initialize system time */ |
1527 |
++ ktime_get_real_ts64(&now); |
1528 |
++ |
1529 |
++ /* lower 32 bits of tv_sec are safe until y2106 */ |
1530 |
++ stmmac_init_systime(priv, priv->ptpaddr, (u32)now.tv_sec, now.tv_nsec); |
1531 |
++ |
1532 |
++ return 0; |
1533 |
++} |
1534 |
++EXPORT_SYMBOL_GPL(stmmac_init_tstamp_counter); |
1535 |
++ |
1536 |
+ /** |
1537 |
+ * stmmac_init_ptp - init PTP |
1538 |
+ * @priv: driver private structure |
1539 |
+@@ -757,9 +792,11 @@ static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) |
1540 |
+ static int stmmac_init_ptp(struct stmmac_priv *priv) |
1541 |
+ { |
1542 |
+ bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; |
1543 |
++ int ret; |
1544 |
+ |
1545 |
+- if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) |
1546 |
+- return -EOPNOTSUPP; |
1547 |
++ ret = stmmac_init_tstamp_counter(priv, STMMAC_HWTS_ACTIVE); |
1548 |
++ if (ret) |
1549 |
++ return ret; |
1550 |
+ |
1551 |
+ priv->adv_ts = 0; |
1552 |
+ /* Check if adv_ts can be enabled for dwmac 4.x / xgmac core */ |
1553 |
+@@ -2721,10 +2758,6 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) |
1554 |
+ stmmac_mmc_setup(priv); |
1555 |
+ |
1556 |
+ if (init_ptp) { |
1557 |
+- ret = clk_prepare_enable(priv->plat->clk_ptp_ref); |
1558 |
+- if (ret < 0) |
1559 |
+- netdev_warn(priv->dev, "failed to enable PTP reference clock: %d\n", ret); |
1560 |
+- |
1561 |
+ ret = stmmac_init_ptp(priv); |
1562 |
+ if (ret == -EOPNOTSUPP) |
1563 |
+ netdev_warn(priv->dev, "PTP not supported by HW\n"); |
1564 |
+@@ -5238,7 +5271,6 @@ int stmmac_suspend(struct device *dev) |
1565 |
+ struct net_device *ndev = dev_get_drvdata(dev); |
1566 |
+ struct stmmac_priv *priv = netdev_priv(ndev); |
1567 |
+ u32 chan; |
1568 |
+- int ret; |
1569 |
+ |
1570 |
+ if (!ndev || !netif_running(ndev)) |
1571 |
+ return 0; |
1572 |
+@@ -5280,13 +5312,6 @@ int stmmac_suspend(struct device *dev) |
1573 |
+ |
1574 |
+ stmmac_mac_set(priv, priv->ioaddr, false); |
1575 |
+ pinctrl_pm_select_sleep_state(priv->device); |
1576 |
+- /* Disable clock in case of PWM is off */ |
1577 |
+- clk_disable_unprepare(priv->plat->clk_ptp_ref); |
1578 |
+- ret = pm_runtime_force_suspend(dev); |
1579 |
+- if (ret) { |
1580 |
+- mutex_unlock(&priv->lock); |
1581 |
+- return ret; |
1582 |
+- } |
1583 |
+ } |
1584 |
+ mutex_unlock(&priv->lock); |
1585 |
+ |
1586 |
+@@ -5351,12 +5376,6 @@ int stmmac_resume(struct device *dev) |
1587 |
+ priv->irq_wake = 0; |
1588 |
+ } else { |
1589 |
+ pinctrl_pm_select_default_state(priv->device); |
1590 |
+- /* enable the clk previously disabled */ |
1591 |
+- ret = pm_runtime_force_resume(dev); |
1592 |
+- if (ret) |
1593 |
+- return ret; |
1594 |
+- if (priv->plat->clk_ptp_ref) |
1595 |
+- clk_prepare_enable(priv->plat->clk_ptp_ref); |
1596 |
+ /* reset the phy so that it's ready */ |
1597 |
+ if (priv->mii) |
1598 |
+ stmmac_mdio_reset(priv->mii); |
1599 |
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c |
1600 |
+index 035f9aef4308f..3183d8826981e 100644 |
1601 |
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c |
1602 |
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c |
1603 |
+@@ -9,6 +9,7 @@ |
1604 |
+ *******************************************************************************/ |
1605 |
+ |
1606 |
+ #include <linux/platform_device.h> |
1607 |
++#include <linux/pm_runtime.h> |
1608 |
+ #include <linux/module.h> |
1609 |
+ #include <linux/io.h> |
1610 |
+ #include <linux/of.h> |
1611 |
+@@ -778,9 +779,52 @@ static int __maybe_unused stmmac_runtime_resume(struct device *dev) |
1612 |
+ return stmmac_bus_clks_config(priv, true); |
1613 |
+ } |
1614 |
+ |
1615 |
++static int __maybe_unused stmmac_pltfr_noirq_suspend(struct device *dev) |
1616 |
++{ |
1617 |
++ struct net_device *ndev = dev_get_drvdata(dev); |
1618 |
++ struct stmmac_priv *priv = netdev_priv(ndev); |
1619 |
++ int ret; |
1620 |
++ |
1621 |
++ if (!netif_running(ndev)) |
1622 |
++ return 0; |
1623 |
++ |
1624 |
++ if (!device_may_wakeup(priv->device) || !priv->plat->pmt) { |
1625 |
++ /* Disable clock in case of PWM is off */ |
1626 |
++ clk_disable_unprepare(priv->plat->clk_ptp_ref); |
1627 |
++ |
1628 |
++ ret = pm_runtime_force_suspend(dev); |
1629 |
++ if (ret) |
1630 |
++ return ret; |
1631 |
++ } |
1632 |
++ |
1633 |
++ return 0; |
1634 |
++} |
1635 |
++ |
1636 |
++static int __maybe_unused stmmac_pltfr_noirq_resume(struct device *dev) |
1637 |
++{ |
1638 |
++ struct net_device *ndev = dev_get_drvdata(dev); |
1639 |
++ struct stmmac_priv *priv = netdev_priv(ndev); |
1640 |
++ int ret; |
1641 |
++ |
1642 |
++ if (!netif_running(ndev)) |
1643 |
++ return 0; |
1644 |
++ |
1645 |
++ if (!device_may_wakeup(priv->device) || !priv->plat->pmt) { |
1646 |
++ /* enable the clk previously disabled */ |
1647 |
++ ret = pm_runtime_force_resume(dev); |
1648 |
++ if (ret) |
1649 |
++ return ret; |
1650 |
++ |
1651 |
++ stmmac_init_tstamp_counter(priv, priv->systime_flags); |
1652 |
++ } |
1653 |
++ |
1654 |
++ return 0; |
1655 |
++} |
1656 |
++ |
1657 |
+ const struct dev_pm_ops stmmac_pltfr_pm_ops = { |
1658 |
+ SET_SYSTEM_SLEEP_PM_OPS(stmmac_pltfr_suspend, stmmac_pltfr_resume) |
1659 |
+ SET_RUNTIME_PM_OPS(stmmac_runtime_suspend, stmmac_runtime_resume, NULL) |
1660 |
++ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(stmmac_pltfr_noirq_suspend, stmmac_pltfr_noirq_resume) |
1661 |
+ }; |
1662 |
+ EXPORT_SYMBOL_GPL(stmmac_pltfr_pm_ops); |
1663 |
+ |
1664 |
+diff --git a/drivers/net/mdio/mdio-aspeed.c b/drivers/net/mdio/mdio-aspeed.c |
1665 |
+index cad820568f751..966c3b4ad59d1 100644 |
1666 |
+--- a/drivers/net/mdio/mdio-aspeed.c |
1667 |
++++ b/drivers/net/mdio/mdio-aspeed.c |
1668 |
+@@ -61,6 +61,13 @@ static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) |
1669 |
+ |
1670 |
+ iowrite32(ctrl, ctx->base + ASPEED_MDIO_CTRL); |
1671 |
+ |
1672 |
++ rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_CTRL, ctrl, |
1673 |
++ !(ctrl & ASPEED_MDIO_CTRL_FIRE), |
1674 |
++ ASPEED_MDIO_INTERVAL_US, |
1675 |
++ ASPEED_MDIO_TIMEOUT_US); |
1676 |
++ if (rc < 0) |
1677 |
++ return rc; |
1678 |
++ |
1679 |
+ rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_DATA, data, |
1680 |
+ data & ASPEED_MDIO_DATA_IDLE, |
1681 |
+ ASPEED_MDIO_INTERVAL_US, |
1682 |
+diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c |
1683 |
+index 899496f089d2e..57b1b138522e0 100644 |
1684 |
+--- a/drivers/net/phy/phylink.c |
1685 |
++++ b/drivers/net/phy/phylink.c |
1686 |
+@@ -644,6 +644,7 @@ static void phylink_resolve(struct work_struct *w) |
1687 |
+ struct phylink_link_state link_state; |
1688 |
+ struct net_device *ndev = pl->netdev; |
1689 |
+ bool mac_config = false; |
1690 |
++ bool retrigger = false; |
1691 |
+ bool cur_link_state; |
1692 |
+ |
1693 |
+ mutex_lock(&pl->state_mutex); |
1694 |
+@@ -657,6 +658,7 @@ static void phylink_resolve(struct work_struct *w) |
1695 |
+ link_state.link = false; |
1696 |
+ } else if (pl->mac_link_dropped) { |
1697 |
+ link_state.link = false; |
1698 |
++ retrigger = true; |
1699 |
+ } else { |
1700 |
+ switch (pl->cur_link_an_mode) { |
1701 |
+ case MLO_AN_PHY: |
1702 |
+@@ -673,6 +675,19 @@ static void phylink_resolve(struct work_struct *w) |
1703 |
+ case MLO_AN_INBAND: |
1704 |
+ phylink_mac_pcs_get_state(pl, &link_state); |
1705 |
+ |
1706 |
++ /* The PCS may have a latching link-fail indicator. |
1707 |
++ * If the link was up, bring the link down and |
1708 |
++ * re-trigger the resolve. Otherwise, re-read the |
1709 |
++ * PCS state to get the current status of the link. |
1710 |
++ */ |
1711 |
++ if (!link_state.link) { |
1712 |
++ if (cur_link_state) |
1713 |
++ retrigger = true; |
1714 |
++ else |
1715 |
++ phylink_mac_pcs_get_state(pl, |
1716 |
++ &link_state); |
1717 |
++ } |
1718 |
++ |
1719 |
+ /* If we have a phy, the "up" state is the union of |
1720 |
+ * both the PHY and the MAC */ |
1721 |
+ if (pl->phydev) |
1722 |
+@@ -680,6 +695,15 @@ static void phylink_resolve(struct work_struct *w) |
1723 |
+ |
1724 |
+ /* Only update if the PHY link is up */ |
1725 |
+ if (pl->phydev && pl->phy_state.link) { |
1726 |
++ /* If the interface has changed, force a |
1727 |
++ * link down event if the link isn't already |
1728 |
++ * down, and re-resolve. |
1729 |
++ */ |
1730 |
++ if (link_state.interface != |
1731 |
++ pl->phy_state.interface) { |
1732 |
++ retrigger = true; |
1733 |
++ link_state.link = false; |
1734 |
++ } |
1735 |
+ link_state.interface = pl->phy_state.interface; |
1736 |
+ |
1737 |
+ /* If we have a PHY, we need to update with |
1738 |
+@@ -721,7 +745,7 @@ static void phylink_resolve(struct work_struct *w) |
1739 |
+ else |
1740 |
+ phylink_link_up(pl, link_state); |
1741 |
+ } |
1742 |
+- if (!link_state.link && pl->mac_link_dropped) { |
1743 |
++ if (!link_state.link && retrigger) { |
1744 |
+ pl->mac_link_dropped = false; |
1745 |
+ queue_work(system_power_efficient_wq, &pl->resolve); |
1746 |
+ } |
1747 |
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c |
1748 |
+index dd79534910b05..8505024b89e9e 100644 |
1749 |
+--- a/drivers/net/xen-netfront.c |
1750 |
++++ b/drivers/net/xen-netfront.c |
1751 |
+@@ -126,21 +126,17 @@ struct netfront_queue { |
1752 |
+ |
1753 |
+ /* |
1754 |
+ * {tx,rx}_skbs store outstanding skbuffs. Free tx_skb entries |
1755 |
+- * are linked from tx_skb_freelist through skb_entry.link. |
1756 |
+- * |
1757 |
+- * NB. Freelist index entries are always going to be less than |
1758 |
+- * PAGE_OFFSET, whereas pointers to skbs will always be equal or |
1759 |
+- * greater than PAGE_OFFSET: we use this property to distinguish |
1760 |
+- * them. |
1761 |
++ * are linked from tx_skb_freelist through tx_link. |
1762 |
+ */ |
1763 |
+- union skb_entry { |
1764 |
+- struct sk_buff *skb; |
1765 |
+- unsigned long link; |
1766 |
+- } tx_skbs[NET_TX_RING_SIZE]; |
1767 |
++ struct sk_buff *tx_skbs[NET_TX_RING_SIZE]; |
1768 |
++ unsigned short tx_link[NET_TX_RING_SIZE]; |
1769 |
++#define TX_LINK_NONE 0xffff |
1770 |
++#define TX_PENDING 0xfffe |
1771 |
+ grant_ref_t gref_tx_head; |
1772 |
+ grant_ref_t grant_tx_ref[NET_TX_RING_SIZE]; |
1773 |
+ struct page *grant_tx_page[NET_TX_RING_SIZE]; |
1774 |
+ unsigned tx_skb_freelist; |
1775 |
++ unsigned int tx_pend_queue; |
1776 |
+ |
1777 |
+ spinlock_t rx_lock ____cacheline_aligned_in_smp; |
1778 |
+ struct xen_netif_rx_front_ring rx; |
1779 |
+@@ -173,6 +169,9 @@ struct netfront_info { |
1780 |
+ bool netback_has_xdp_headroom; |
1781 |
+ bool netfront_xdp_enabled; |
1782 |
+ |
1783 |
++ /* Is device behaving sane? */ |
1784 |
++ bool broken; |
1785 |
++ |
1786 |
+ atomic_t rx_gso_checksum_fixup; |
1787 |
+ }; |
1788 |
+ |
1789 |
+@@ -181,33 +180,25 @@ struct netfront_rx_info { |
1790 |
+ struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX - 1]; |
1791 |
+ }; |
1792 |
+ |
1793 |
+-static void skb_entry_set_link(union skb_entry *list, unsigned short id) |
1794 |
+-{ |
1795 |
+- list->link = id; |
1796 |
+-} |
1797 |
+- |
1798 |
+-static int skb_entry_is_link(const union skb_entry *list) |
1799 |
+-{ |
1800 |
+- BUILD_BUG_ON(sizeof(list->skb) != sizeof(list->link)); |
1801 |
+- return (unsigned long)list->skb < PAGE_OFFSET; |
1802 |
+-} |
1803 |
+- |
1804 |
+ /* |
1805 |
+ * Access macros for acquiring freeing slots in tx_skbs[]. |
1806 |
+ */ |
1807 |
+ |
1808 |
+-static void add_id_to_freelist(unsigned *head, union skb_entry *list, |
1809 |
+- unsigned short id) |
1810 |
++static void add_id_to_list(unsigned *head, unsigned short *list, |
1811 |
++ unsigned short id) |
1812 |
+ { |
1813 |
+- skb_entry_set_link(&list[id], *head); |
1814 |
++ list[id] = *head; |
1815 |
+ *head = id; |
1816 |
+ } |
1817 |
+ |
1818 |
+-static unsigned short get_id_from_freelist(unsigned *head, |
1819 |
+- union skb_entry *list) |
1820 |
++static unsigned short get_id_from_list(unsigned *head, unsigned short *list) |
1821 |
+ { |
1822 |
+ unsigned int id = *head; |
1823 |
+- *head = list[id].link; |
1824 |
++ |
1825 |
++ if (id != TX_LINK_NONE) { |
1826 |
++ *head = list[id]; |
1827 |
++ list[id] = TX_LINK_NONE; |
1828 |
++ } |
1829 |
+ return id; |
1830 |
+ } |
1831 |
+ |
1832 |
+@@ -363,7 +354,7 @@ static int xennet_open(struct net_device *dev) |
1833 |
+ unsigned int i = 0; |
1834 |
+ struct netfront_queue *queue = NULL; |
1835 |
+ |
1836 |
+- if (!np->queues) |
1837 |
++ if (!np->queues || np->broken) |
1838 |
+ return -ENODEV; |
1839 |
+ |
1840 |
+ for (i = 0; i < num_queues; ++i) { |
1841 |
+@@ -391,27 +382,47 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) |
1842 |
+ unsigned short id; |
1843 |
+ struct sk_buff *skb; |
1844 |
+ bool more_to_do; |
1845 |
++ const struct device *dev = &queue->info->netdev->dev; |
1846 |
+ |
1847 |
+ BUG_ON(!netif_carrier_ok(queue->info->netdev)); |
1848 |
+ |
1849 |
+ do { |
1850 |
+ prod = queue->tx.sring->rsp_prod; |
1851 |
++ if (RING_RESPONSE_PROD_OVERFLOW(&queue->tx, prod)) { |
1852 |
++ dev_alert(dev, "Illegal number of responses %u\n", |
1853 |
++ prod - queue->tx.rsp_cons); |
1854 |
++ goto err; |
1855 |
++ } |
1856 |
+ rmb(); /* Ensure we see responses up to 'rp'. */ |
1857 |
+ |
1858 |
+ for (cons = queue->tx.rsp_cons; cons != prod; cons++) { |
1859 |
+- struct xen_netif_tx_response *txrsp; |
1860 |
++ struct xen_netif_tx_response txrsp; |
1861 |
+ |
1862 |
+- txrsp = RING_GET_RESPONSE(&queue->tx, cons); |
1863 |
+- if (txrsp->status == XEN_NETIF_RSP_NULL) |
1864 |
++ RING_COPY_RESPONSE(&queue->tx, cons, &txrsp); |
1865 |
++ if (txrsp.status == XEN_NETIF_RSP_NULL) |
1866 |
+ continue; |
1867 |
+ |
1868 |
+- id = txrsp->id; |
1869 |
+- skb = queue->tx_skbs[id].skb; |
1870 |
++ id = txrsp.id; |
1871 |
++ if (id >= RING_SIZE(&queue->tx)) { |
1872 |
++ dev_alert(dev, |
1873 |
++ "Response has incorrect id (%u)\n", |
1874 |
++ id); |
1875 |
++ goto err; |
1876 |
++ } |
1877 |
++ if (queue->tx_link[id] != TX_PENDING) { |
1878 |
++ dev_alert(dev, |
1879 |
++ "Response for inactive request\n"); |
1880 |
++ goto err; |
1881 |
++ } |
1882 |
++ |
1883 |
++ queue->tx_link[id] = TX_LINK_NONE; |
1884 |
++ skb = queue->tx_skbs[id]; |
1885 |
++ queue->tx_skbs[id] = NULL; |
1886 |
+ if (unlikely(gnttab_query_foreign_access( |
1887 |
+ queue->grant_tx_ref[id]) != 0)) { |
1888 |
+- pr_alert("%s: warning -- grant still in use by backend domain\n", |
1889 |
+- __func__); |
1890 |
+- BUG(); |
1891 |
++ dev_alert(dev, |
1892 |
++ "Grant still in use by backend domain\n"); |
1893 |
++ goto err; |
1894 |
+ } |
1895 |
+ gnttab_end_foreign_access_ref( |
1896 |
+ queue->grant_tx_ref[id], GNTMAP_readonly); |
1897 |
+@@ -419,7 +430,7 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) |
1898 |
+ &queue->gref_tx_head, queue->grant_tx_ref[id]); |
1899 |
+ queue->grant_tx_ref[id] = GRANT_INVALID_REF; |
1900 |
+ queue->grant_tx_page[id] = NULL; |
1901 |
+- add_id_to_freelist(&queue->tx_skb_freelist, queue->tx_skbs, id); |
1902 |
++ add_id_to_list(&queue->tx_skb_freelist, queue->tx_link, id); |
1903 |
+ dev_kfree_skb_irq(skb); |
1904 |
+ } |
1905 |
+ |
1906 |
+@@ -429,13 +440,20 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) |
1907 |
+ } while (more_to_do); |
1908 |
+ |
1909 |
+ xennet_maybe_wake_tx(queue); |
1910 |
++ |
1911 |
++ return; |
1912 |
++ |
1913 |
++ err: |
1914 |
++ queue->info->broken = true; |
1915 |
++ dev_alert(dev, "Disabled for further use\n"); |
1916 |
+ } |
1917 |
+ |
1918 |
+ struct xennet_gnttab_make_txreq { |
1919 |
+ struct netfront_queue *queue; |
1920 |
+ struct sk_buff *skb; |
1921 |
+ struct page *page; |
1922 |
+- struct xen_netif_tx_request *tx; /* Last request */ |
1923 |
++ struct xen_netif_tx_request *tx; /* Last request on ring page */ |
1924 |
++ struct xen_netif_tx_request tx_local; /* Last request local copy*/ |
1925 |
+ unsigned int size; |
1926 |
+ }; |
1927 |
+ |
1928 |
+@@ -451,7 +469,7 @@ static void xennet_tx_setup_grant(unsigned long gfn, unsigned int offset, |
1929 |
+ struct netfront_queue *queue = info->queue; |
1930 |
+ struct sk_buff *skb = info->skb; |
1931 |
+ |
1932 |
+- id = get_id_from_freelist(&queue->tx_skb_freelist, queue->tx_skbs); |
1933 |
++ id = get_id_from_list(&queue->tx_skb_freelist, queue->tx_link); |
1934 |
+ tx = RING_GET_REQUEST(&queue->tx, queue->tx.req_prod_pvt++); |
1935 |
+ ref = gnttab_claim_grant_reference(&queue->gref_tx_head); |
1936 |
+ WARN_ON_ONCE(IS_ERR_VALUE((unsigned long)(int)ref)); |
1937 |
+@@ -459,34 +477,37 @@ static void xennet_tx_setup_grant(unsigned long gfn, unsigned int offset, |
1938 |
+ gnttab_grant_foreign_access_ref(ref, queue->info->xbdev->otherend_id, |
1939 |
+ gfn, GNTMAP_readonly); |
1940 |
+ |
1941 |
+- queue->tx_skbs[id].skb = skb; |
1942 |
++ queue->tx_skbs[id] = skb; |
1943 |
+ queue->grant_tx_page[id] = page; |
1944 |
+ queue->grant_tx_ref[id] = ref; |
1945 |
+ |
1946 |
+- tx->id = id; |
1947 |
+- tx->gref = ref; |
1948 |
+- tx->offset = offset; |
1949 |
+- tx->size = len; |
1950 |
+- tx->flags = 0; |
1951 |
++ info->tx_local.id = id; |
1952 |
++ info->tx_local.gref = ref; |
1953 |
++ info->tx_local.offset = offset; |
1954 |
++ info->tx_local.size = len; |
1955 |
++ info->tx_local.flags = 0; |
1956 |
++ |
1957 |
++ *tx = info->tx_local; |
1958 |
++ |
1959 |
++ /* |
1960 |
++ * Put the request in the pending queue, it will be set to be pending |
1961 |
++ * when the producer index is about to be raised. |
1962 |
++ */ |
1963 |
++ add_id_to_list(&queue->tx_pend_queue, queue->tx_link, id); |
1964 |
+ |
1965 |
+ info->tx = tx; |
1966 |
+- info->size += tx->size; |
1967 |
++ info->size += info->tx_local.size; |
1968 |
+ } |
1969 |
+ |
1970 |
+ static struct xen_netif_tx_request *xennet_make_first_txreq( |
1971 |
+- struct netfront_queue *queue, struct sk_buff *skb, |
1972 |
+- struct page *page, unsigned int offset, unsigned int len) |
1973 |
++ struct xennet_gnttab_make_txreq *info, |
1974 |
++ unsigned int offset, unsigned int len) |
1975 |
+ { |
1976 |
+- struct xennet_gnttab_make_txreq info = { |
1977 |
+- .queue = queue, |
1978 |
+- .skb = skb, |
1979 |
+- .page = page, |
1980 |
+- .size = 0, |
1981 |
+- }; |
1982 |
++ info->size = 0; |
1983 |
+ |
1984 |
+- gnttab_for_one_grant(page, offset, len, xennet_tx_setup_grant, &info); |
1985 |
++ gnttab_for_one_grant(info->page, offset, len, xennet_tx_setup_grant, info); |
1986 |
+ |
1987 |
+- return info.tx; |
1988 |
++ return info->tx; |
1989 |
+ } |
1990 |
+ |
1991 |
+ static void xennet_make_one_txreq(unsigned long gfn, unsigned int offset, |
1992 |
+@@ -499,35 +520,27 @@ static void xennet_make_one_txreq(unsigned long gfn, unsigned int offset, |
1993 |
+ xennet_tx_setup_grant(gfn, offset, len, data); |
1994 |
+ } |
1995 |
+ |
1996 |
+-static struct xen_netif_tx_request *xennet_make_txreqs( |
1997 |
+- struct netfront_queue *queue, struct xen_netif_tx_request *tx, |
1998 |
+- struct sk_buff *skb, struct page *page, |
1999 |
++static void xennet_make_txreqs( |
2000 |
++ struct xennet_gnttab_make_txreq *info, |
2001 |
++ struct page *page, |
2002 |
+ unsigned int offset, unsigned int len) |
2003 |
+ { |
2004 |
+- struct xennet_gnttab_make_txreq info = { |
2005 |
+- .queue = queue, |
2006 |
+- .skb = skb, |
2007 |
+- .tx = tx, |
2008 |
+- }; |
2009 |
+- |
2010 |
+ /* Skip unused frames from start of page */ |
2011 |
+ page += offset >> PAGE_SHIFT; |
2012 |
+ offset &= ~PAGE_MASK; |
2013 |
+ |
2014 |
+ while (len) { |
2015 |
+- info.page = page; |
2016 |
+- info.size = 0; |
2017 |
++ info->page = page; |
2018 |
++ info->size = 0; |
2019 |
+ |
2020 |
+ gnttab_foreach_grant_in_range(page, offset, len, |
2021 |
+ xennet_make_one_txreq, |
2022 |
+- &info); |
2023 |
++ info); |
2024 |
+ |
2025 |
+ page++; |
2026 |
+ offset = 0; |
2027 |
+- len -= info.size; |
2028 |
++ len -= info->size; |
2029 |
+ } |
2030 |
+- |
2031 |
+- return info.tx; |
2032 |
+ } |
2033 |
+ |
2034 |
+ /* |
2035 |
+@@ -574,19 +587,34 @@ static u16 xennet_select_queue(struct net_device *dev, struct sk_buff *skb, |
2036 |
+ return queue_idx; |
2037 |
+ } |
2038 |
+ |
2039 |
++static void xennet_mark_tx_pending(struct netfront_queue *queue) |
2040 |
++{ |
2041 |
++ unsigned int i; |
2042 |
++ |
2043 |
++ while ((i = get_id_from_list(&queue->tx_pend_queue, queue->tx_link)) != |
2044 |
++ TX_LINK_NONE) |
2045 |
++ queue->tx_link[i] = TX_PENDING; |
2046 |
++} |
2047 |
++ |
2048 |
+ static int xennet_xdp_xmit_one(struct net_device *dev, |
2049 |
+ struct netfront_queue *queue, |
2050 |
+ struct xdp_frame *xdpf) |
2051 |
+ { |
2052 |
+ struct netfront_info *np = netdev_priv(dev); |
2053 |
+ struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats); |
2054 |
++ struct xennet_gnttab_make_txreq info = { |
2055 |
++ .queue = queue, |
2056 |
++ .skb = NULL, |
2057 |
++ .page = virt_to_page(xdpf->data), |
2058 |
++ }; |
2059 |
+ int notify; |
2060 |
+ |
2061 |
+- xennet_make_first_txreq(queue, NULL, |
2062 |
+- virt_to_page(xdpf->data), |
2063 |
++ xennet_make_first_txreq(&info, |
2064 |
+ offset_in_page(xdpf->data), |
2065 |
+ xdpf->len); |
2066 |
+ |
2067 |
++ xennet_mark_tx_pending(queue); |
2068 |
++ |
2069 |
+ RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(&queue->tx, notify); |
2070 |
+ if (notify) |
2071 |
+ notify_remote_via_irq(queue->tx_irq); |
2072 |
+@@ -611,6 +639,8 @@ static int xennet_xdp_xmit(struct net_device *dev, int n, |
2073 |
+ int drops = 0; |
2074 |
+ int i, err; |
2075 |
+ |
2076 |
++ if (unlikely(np->broken)) |
2077 |
++ return -ENODEV; |
2078 |
+ if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) |
2079 |
+ return -EINVAL; |
2080 |
+ |
2081 |
+@@ -640,7 +670,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2082 |
+ { |
2083 |
+ struct netfront_info *np = netdev_priv(dev); |
2084 |
+ struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats); |
2085 |
+- struct xen_netif_tx_request *tx, *first_tx; |
2086 |
++ struct xen_netif_tx_request *first_tx; |
2087 |
+ unsigned int i; |
2088 |
+ int notify; |
2089 |
+ int slots; |
2090 |
+@@ -649,6 +679,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2091 |
+ unsigned int len; |
2092 |
+ unsigned long flags; |
2093 |
+ struct netfront_queue *queue = NULL; |
2094 |
++ struct xennet_gnttab_make_txreq info = { }; |
2095 |
+ unsigned int num_queues = dev->real_num_tx_queues; |
2096 |
+ u16 queue_index; |
2097 |
+ struct sk_buff *nskb; |
2098 |
+@@ -656,6 +687,8 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2099 |
+ /* Drop the packet if no queues are set up */ |
2100 |
+ if (num_queues < 1) |
2101 |
+ goto drop; |
2102 |
++ if (unlikely(np->broken)) |
2103 |
++ goto drop; |
2104 |
+ /* Determine which queue to transmit this SKB on */ |
2105 |
+ queue_index = skb_get_queue_mapping(skb); |
2106 |
+ queue = &np->queues[queue_index]; |
2107 |
+@@ -706,21 +739,24 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2108 |
+ } |
2109 |
+ |
2110 |
+ /* First request for the linear area. */ |
2111 |
+- first_tx = tx = xennet_make_first_txreq(queue, skb, |
2112 |
+- page, offset, len); |
2113 |
+- offset += tx->size; |
2114 |
++ info.queue = queue; |
2115 |
++ info.skb = skb; |
2116 |
++ info.page = page; |
2117 |
++ first_tx = xennet_make_first_txreq(&info, offset, len); |
2118 |
++ offset += info.tx_local.size; |
2119 |
+ if (offset == PAGE_SIZE) { |
2120 |
+ page++; |
2121 |
+ offset = 0; |
2122 |
+ } |
2123 |
+- len -= tx->size; |
2124 |
++ len -= info.tx_local.size; |
2125 |
+ |
2126 |
+ if (skb->ip_summed == CHECKSUM_PARTIAL) |
2127 |
+ /* local packet? */ |
2128 |
+- tx->flags |= XEN_NETTXF_csum_blank | XEN_NETTXF_data_validated; |
2129 |
++ first_tx->flags |= XEN_NETTXF_csum_blank | |
2130 |
++ XEN_NETTXF_data_validated; |
2131 |
+ else if (skb->ip_summed == CHECKSUM_UNNECESSARY) |
2132 |
+ /* remote but checksummed. */ |
2133 |
+- tx->flags |= XEN_NETTXF_data_validated; |
2134 |
++ first_tx->flags |= XEN_NETTXF_data_validated; |
2135 |
+ |
2136 |
+ /* Optional extra info after the first request. */ |
2137 |
+ if (skb_shinfo(skb)->gso_size) { |
2138 |
+@@ -729,7 +765,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2139 |
+ gso = (struct xen_netif_extra_info *) |
2140 |
+ RING_GET_REQUEST(&queue->tx, queue->tx.req_prod_pvt++); |
2141 |
+ |
2142 |
+- tx->flags |= XEN_NETTXF_extra_info; |
2143 |
++ first_tx->flags |= XEN_NETTXF_extra_info; |
2144 |
+ |
2145 |
+ gso->u.gso.size = skb_shinfo(skb)->gso_size; |
2146 |
+ gso->u.gso.type = (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) ? |
2147 |
+@@ -743,12 +779,12 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2148 |
+ } |
2149 |
+ |
2150 |
+ /* Requests for the rest of the linear area. */ |
2151 |
+- tx = xennet_make_txreqs(queue, tx, skb, page, offset, len); |
2152 |
++ xennet_make_txreqs(&info, page, offset, len); |
2153 |
+ |
2154 |
+ /* Requests for all the frags. */ |
2155 |
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
2156 |
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
2157 |
+- tx = xennet_make_txreqs(queue, tx, skb, skb_frag_page(frag), |
2158 |
++ xennet_make_txreqs(&info, skb_frag_page(frag), |
2159 |
+ skb_frag_off(frag), |
2160 |
+ skb_frag_size(frag)); |
2161 |
+ } |
2162 |
+@@ -759,6 +795,8 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev |
2163 |
+ /* timestamp packet in software */ |
2164 |
+ skb_tx_timestamp(skb); |
2165 |
+ |
2166 |
++ xennet_mark_tx_pending(queue); |
2167 |
++ |
2168 |
+ RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(&queue->tx, notify); |
2169 |
+ if (notify) |
2170 |
+ notify_remote_via_irq(queue->tx_irq); |
2171 |
+@@ -816,7 +854,7 @@ static int xennet_get_extras(struct netfront_queue *queue, |
2172 |
+ RING_IDX rp) |
2173 |
+ |
2174 |
+ { |
2175 |
+- struct xen_netif_extra_info *extra; |
2176 |
++ struct xen_netif_extra_info extra; |
2177 |
+ struct device *dev = &queue->info->netdev->dev; |
2178 |
+ RING_IDX cons = queue->rx.rsp_cons; |
2179 |
+ int err = 0; |
2180 |
+@@ -832,24 +870,22 @@ static int xennet_get_extras(struct netfront_queue *queue, |
2181 |
+ break; |
2182 |
+ } |
2183 |
+ |
2184 |
+- extra = (struct xen_netif_extra_info *) |
2185 |
+- RING_GET_RESPONSE(&queue->rx, ++cons); |
2186 |
++ RING_COPY_RESPONSE(&queue->rx, ++cons, &extra); |
2187 |
+ |
2188 |
+- if (unlikely(!extra->type || |
2189 |
+- extra->type >= XEN_NETIF_EXTRA_TYPE_MAX)) { |
2190 |
++ if (unlikely(!extra.type || |
2191 |
++ extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) { |
2192 |
+ if (net_ratelimit()) |
2193 |
+ dev_warn(dev, "Invalid extra type: %d\n", |
2194 |
+- extra->type); |
2195 |
++ extra.type); |
2196 |
+ err = -EINVAL; |
2197 |
+ } else { |
2198 |
+- memcpy(&extras[extra->type - 1], extra, |
2199 |
+- sizeof(*extra)); |
2200 |
++ extras[extra.type - 1] = extra; |
2201 |
+ } |
2202 |
+ |
2203 |
+ skb = xennet_get_rx_skb(queue, cons); |
2204 |
+ ref = xennet_get_rx_ref(queue, cons); |
2205 |
+ xennet_move_rx_slot(queue, skb, ref); |
2206 |
+- } while (extra->flags & XEN_NETIF_EXTRA_FLAG_MORE); |
2207 |
++ } while (extra.flags & XEN_NETIF_EXTRA_FLAG_MORE); |
2208 |
+ |
2209 |
+ queue->rx.rsp_cons = cons; |
2210 |
+ return err; |
2211 |
+@@ -907,7 +943,7 @@ static int xennet_get_responses(struct netfront_queue *queue, |
2212 |
+ struct sk_buff_head *list, |
2213 |
+ bool *need_xdp_flush) |
2214 |
+ { |
2215 |
+- struct xen_netif_rx_response *rx = &rinfo->rx; |
2216 |
++ struct xen_netif_rx_response *rx = &rinfo->rx, rx_local; |
2217 |
+ int max = XEN_NETIF_NR_SLOTS_MIN + (rx->status <= RX_COPY_THRESHOLD); |
2218 |
+ RING_IDX cons = queue->rx.rsp_cons; |
2219 |
+ struct sk_buff *skb = xennet_get_rx_skb(queue, cons); |
2220 |
+@@ -991,7 +1027,8 @@ next: |
2221 |
+ break; |
2222 |
+ } |
2223 |
+ |
2224 |
+- rx = RING_GET_RESPONSE(&queue->rx, cons + slots); |
2225 |
++ RING_COPY_RESPONSE(&queue->rx, cons + slots, &rx_local); |
2226 |
++ rx = &rx_local; |
2227 |
+ skb = xennet_get_rx_skb(queue, cons + slots); |
2228 |
+ ref = xennet_get_rx_ref(queue, cons + slots); |
2229 |
+ slots++; |
2230 |
+@@ -1046,10 +1083,11 @@ static int xennet_fill_frags(struct netfront_queue *queue, |
2231 |
+ struct sk_buff *nskb; |
2232 |
+ |
2233 |
+ while ((nskb = __skb_dequeue(list))) { |
2234 |
+- struct xen_netif_rx_response *rx = |
2235 |
+- RING_GET_RESPONSE(&queue->rx, ++cons); |
2236 |
++ struct xen_netif_rx_response rx; |
2237 |
+ skb_frag_t *nfrag = &skb_shinfo(nskb)->frags[0]; |
2238 |
+ |
2239 |
++ RING_COPY_RESPONSE(&queue->rx, ++cons, &rx); |
2240 |
++ |
2241 |
+ if (skb_shinfo(skb)->nr_frags == MAX_SKB_FRAGS) { |
2242 |
+ unsigned int pull_to = NETFRONT_SKB_CB(skb)->pull_to; |
2243 |
+ |
2244 |
+@@ -1064,7 +1102,7 @@ static int xennet_fill_frags(struct netfront_queue *queue, |
2245 |
+ |
2246 |
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, |
2247 |
+ skb_frag_page(nfrag), |
2248 |
+- rx->offset, rx->status, PAGE_SIZE); |
2249 |
++ rx.offset, rx.status, PAGE_SIZE); |
2250 |
+ |
2251 |
+ skb_shinfo(nskb)->nr_frags = 0; |
2252 |
+ kfree_skb(nskb); |
2253 |
+@@ -1158,12 +1196,19 @@ static int xennet_poll(struct napi_struct *napi, int budget) |
2254 |
+ skb_queue_head_init(&tmpq); |
2255 |
+ |
2256 |
+ rp = queue->rx.sring->rsp_prod; |
2257 |
++ if (RING_RESPONSE_PROD_OVERFLOW(&queue->rx, rp)) { |
2258 |
++ dev_alert(&dev->dev, "Illegal number of responses %u\n", |
2259 |
++ rp - queue->rx.rsp_cons); |
2260 |
++ queue->info->broken = true; |
2261 |
++ spin_unlock(&queue->rx_lock); |
2262 |
++ return 0; |
2263 |
++ } |
2264 |
+ rmb(); /* Ensure we see queued responses up to 'rp'. */ |
2265 |
+ |
2266 |
+ i = queue->rx.rsp_cons; |
2267 |
+ work_done = 0; |
2268 |
+ while ((i != rp) && (work_done < budget)) { |
2269 |
+- memcpy(rx, RING_GET_RESPONSE(&queue->rx, i), sizeof(*rx)); |
2270 |
++ RING_COPY_RESPONSE(&queue->rx, i, rx); |
2271 |
+ memset(extras, 0, sizeof(rinfo.extras)); |
2272 |
+ |
2273 |
+ err = xennet_get_responses(queue, &rinfo, rp, &tmpq, |
2274 |
+@@ -1288,17 +1333,18 @@ static void xennet_release_tx_bufs(struct netfront_queue *queue) |
2275 |
+ |
2276 |
+ for (i = 0; i < NET_TX_RING_SIZE; i++) { |
2277 |
+ /* Skip over entries which are actually freelist references */ |
2278 |
+- if (skb_entry_is_link(&queue->tx_skbs[i])) |
2279 |
++ if (!queue->tx_skbs[i]) |
2280 |
+ continue; |
2281 |
+ |
2282 |
+- skb = queue->tx_skbs[i].skb; |
2283 |
++ skb = queue->tx_skbs[i]; |
2284 |
++ queue->tx_skbs[i] = NULL; |
2285 |
+ get_page(queue->grant_tx_page[i]); |
2286 |
+ gnttab_end_foreign_access(queue->grant_tx_ref[i], |
2287 |
+ GNTMAP_readonly, |
2288 |
+ (unsigned long)page_address(queue->grant_tx_page[i])); |
2289 |
+ queue->grant_tx_page[i] = NULL; |
2290 |
+ queue->grant_tx_ref[i] = GRANT_INVALID_REF; |
2291 |
+- add_id_to_freelist(&queue->tx_skb_freelist, queue->tx_skbs, i); |
2292 |
++ add_id_to_list(&queue->tx_skb_freelist, queue->tx_link, i); |
2293 |
+ dev_kfree_skb_irq(skb); |
2294 |
+ } |
2295 |
+ } |
2296 |
+@@ -1378,6 +1424,9 @@ static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id) |
2297 |
+ struct netfront_queue *queue = dev_id; |
2298 |
+ unsigned long flags; |
2299 |
+ |
2300 |
++ if (queue->info->broken) |
2301 |
++ return IRQ_HANDLED; |
2302 |
++ |
2303 |
+ spin_lock_irqsave(&queue->tx_lock, flags); |
2304 |
+ xennet_tx_buf_gc(queue); |
2305 |
+ spin_unlock_irqrestore(&queue->tx_lock, flags); |
2306 |
+@@ -1390,6 +1439,9 @@ static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) |
2307 |
+ struct netfront_queue *queue = dev_id; |
2308 |
+ struct net_device *dev = queue->info->netdev; |
2309 |
+ |
2310 |
++ if (queue->info->broken) |
2311 |
++ return IRQ_HANDLED; |
2312 |
++ |
2313 |
+ if (likely(netif_carrier_ok(dev) && |
2314 |
+ RING_HAS_UNCONSUMED_RESPONSES(&queue->rx))) |
2315 |
+ napi_schedule(&queue->napi); |
2316 |
+@@ -1411,6 +1463,10 @@ static void xennet_poll_controller(struct net_device *dev) |
2317 |
+ struct netfront_info *info = netdev_priv(dev); |
2318 |
+ unsigned int num_queues = dev->real_num_tx_queues; |
2319 |
+ unsigned int i; |
2320 |
++ |
2321 |
++ if (info->broken) |
2322 |
++ return; |
2323 |
++ |
2324 |
+ for (i = 0; i < num_queues; ++i) |
2325 |
+ xennet_interrupt(0, &info->queues[i]); |
2326 |
+ } |
2327 |
+@@ -1482,6 +1538,11 @@ static int xennet_xdp_set(struct net_device *dev, struct bpf_prog *prog, |
2328 |
+ |
2329 |
+ static int xennet_xdp(struct net_device *dev, struct netdev_bpf *xdp) |
2330 |
+ { |
2331 |
++ struct netfront_info *np = netdev_priv(dev); |
2332 |
++ |
2333 |
++ if (np->broken) |
2334 |
++ return -ENODEV; |
2335 |
++ |
2336 |
+ switch (xdp->command) { |
2337 |
+ case XDP_SETUP_PROG: |
2338 |
+ return xennet_xdp_set(dev, xdp->prog, xdp->extack); |
2339 |
+@@ -1859,13 +1920,15 @@ static int xennet_init_queue(struct netfront_queue *queue) |
2340 |
+ snprintf(queue->name, sizeof(queue->name), "vif%s-q%u", |
2341 |
+ devid, queue->id); |
2342 |
+ |
2343 |
+- /* Initialise tx_skbs as a free chain containing every entry. */ |
2344 |
++ /* Initialise tx_skb_freelist as a free chain containing every entry. */ |
2345 |
+ queue->tx_skb_freelist = 0; |
2346 |
++ queue->tx_pend_queue = TX_LINK_NONE; |
2347 |
+ for (i = 0; i < NET_TX_RING_SIZE; i++) { |
2348 |
+- skb_entry_set_link(&queue->tx_skbs[i], i+1); |
2349 |
++ queue->tx_link[i] = i + 1; |
2350 |
+ queue->grant_tx_ref[i] = GRANT_INVALID_REF; |
2351 |
+ queue->grant_tx_page[i] = NULL; |
2352 |
+ } |
2353 |
++ queue->tx_link[NET_TX_RING_SIZE - 1] = TX_LINK_NONE; |
2354 |
+ |
2355 |
+ /* Clear out rx_skbs */ |
2356 |
+ for (i = 0; i < NET_RX_RING_SIZE; i++) { |
2357 |
+@@ -2134,6 +2197,9 @@ static int talk_to_netback(struct xenbus_device *dev, |
2358 |
+ if (info->queues) |
2359 |
+ xennet_destroy_queues(info); |
2360 |
+ |
2361 |
++ /* For the case of a reconnect reset the "broken" indicator. */ |
2362 |
++ info->broken = false; |
2363 |
++ |
2364 |
+ err = xennet_create_queues(info, &num_queues); |
2365 |
+ if (err < 0) { |
2366 |
+ xenbus_dev_fatal(dev, err, "creating queues"); |
2367 |
+diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c |
2368 |
+index b575997244482..c81690b2a681b 100644 |
2369 |
+--- a/drivers/nvme/target/io-cmd-file.c |
2370 |
++++ b/drivers/nvme/target/io-cmd-file.c |
2371 |
+@@ -8,6 +8,7 @@ |
2372 |
+ #include <linux/uio.h> |
2373 |
+ #include <linux/falloc.h> |
2374 |
+ #include <linux/file.h> |
2375 |
++#include <linux/fs.h> |
2376 |
+ #include "nvmet.h" |
2377 |
+ |
2378 |
+ #define NVMET_MAX_MPOOL_BVEC 16 |
2379 |
+@@ -266,7 +267,8 @@ static void nvmet_file_execute_rw(struct nvmet_req *req) |
2380 |
+ |
2381 |
+ if (req->ns->buffered_io) { |
2382 |
+ if (likely(!req->f.mpool_alloc) && |
2383 |
+- nvmet_file_execute_io(req, IOCB_NOWAIT)) |
2384 |
++ (req->ns->file->f_mode & FMODE_NOWAIT) && |
2385 |
++ nvmet_file_execute_io(req, IOCB_NOWAIT)) |
2386 |
+ return; |
2387 |
+ nvmet_file_submit_buffered_io(req); |
2388 |
+ } else |
2389 |
+diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c |
2390 |
+index 1251fd6e92780..96b67a70cbbbd 100644 |
2391 |
+--- a/drivers/nvme/target/tcp.c |
2392 |
++++ b/drivers/nvme/target/tcp.c |
2393 |
+@@ -688,10 +688,11 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch) |
2394 |
+ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch) |
2395 |
+ { |
2396 |
+ struct nvmet_tcp_queue *queue = cmd->queue; |
2397 |
++ int left = NVME_TCP_DIGEST_LENGTH - cmd->offset; |
2398 |
+ struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; |
2399 |
+ struct kvec iov = { |
2400 |
+ .iov_base = (u8 *)&cmd->exp_ddgst + cmd->offset, |
2401 |
+- .iov_len = NVME_TCP_DIGEST_LENGTH - cmd->offset |
2402 |
++ .iov_len = left |
2403 |
+ }; |
2404 |
+ int ret; |
2405 |
+ |
2406 |
+@@ -705,6 +706,10 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch) |
2407 |
+ return ret; |
2408 |
+ |
2409 |
+ cmd->offset += ret; |
2410 |
++ left -= ret; |
2411 |
++ |
2412 |
++ if (left) |
2413 |
++ return -EAGAIN; |
2414 |
+ |
2415 |
+ if (queue->nvme_sq.sqhd_disabled) { |
2416 |
+ cmd->queue->snd_cmd = NULL; |
2417 |
+diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c |
2418 |
+index 434522465d983..604b294bb15c9 100644 |
2419 |
+--- a/drivers/pci/controller/pci-aardvark.c |
2420 |
++++ b/drivers/pci/controller/pci-aardvark.c |
2421 |
+@@ -306,11 +306,6 @@ static inline u32 advk_readl(struct advk_pcie *pcie, u64 reg) |
2422 |
+ return readl(pcie->base + reg); |
2423 |
+ } |
2424 |
+ |
2425 |
+-static inline u16 advk_read16(struct advk_pcie *pcie, u64 reg) |
2426 |
+-{ |
2427 |
+- return advk_readl(pcie, (reg & ~0x3)) >> ((reg & 0x3) * 8); |
2428 |
+-} |
2429 |
+- |
2430 |
+ static u8 advk_pcie_ltssm_state(struct advk_pcie *pcie) |
2431 |
+ { |
2432 |
+ u32 val; |
2433 |
+@@ -384,16 +379,9 @@ static void advk_pcie_wait_for_retrain(struct advk_pcie *pcie) |
2434 |
+ |
2435 |
+ static void advk_pcie_issue_perst(struct advk_pcie *pcie) |
2436 |
+ { |
2437 |
+- u32 reg; |
2438 |
+- |
2439 |
+ if (!pcie->reset_gpio) |
2440 |
+ return; |
2441 |
+ |
2442 |
+- /* PERST does not work for some cards when link training is enabled */ |
2443 |
+- reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); |
2444 |
+- reg &= ~LINK_TRAINING_EN; |
2445 |
+- advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); |
2446 |
+- |
2447 |
+ /* 10ms delay is needed for some cards */ |
2448 |
+ dev_info(&pcie->pdev->dev, "issuing PERST via reset GPIO for 10ms\n"); |
2449 |
+ gpiod_set_value_cansleep(pcie->reset_gpio, 1); |
2450 |
+@@ -401,53 +389,46 @@ static void advk_pcie_issue_perst(struct advk_pcie *pcie) |
2451 |
+ gpiod_set_value_cansleep(pcie->reset_gpio, 0); |
2452 |
+ } |
2453 |
+ |
2454 |
+-static int advk_pcie_train_at_gen(struct advk_pcie *pcie, int gen) |
2455 |
++static void advk_pcie_train_link(struct advk_pcie *pcie) |
2456 |
+ { |
2457 |
+- int ret, neg_gen; |
2458 |
++ struct device *dev = &pcie->pdev->dev; |
2459 |
+ u32 reg; |
2460 |
++ int ret; |
2461 |
+ |
2462 |
+- /* Setup link speed */ |
2463 |
++ /* |
2464 |
++ * Setup PCIe rev / gen compliance based on device tree property |
2465 |
++ * 'max-link-speed' which also forces maximal link speed. |
2466 |
++ */ |
2467 |
+ reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); |
2468 |
+ reg &= ~PCIE_GEN_SEL_MSK; |
2469 |
+- if (gen == 3) |
2470 |
++ if (pcie->link_gen == 3) |
2471 |
+ reg |= SPEED_GEN_3; |
2472 |
+- else if (gen == 2) |
2473 |
++ else if (pcie->link_gen == 2) |
2474 |
+ reg |= SPEED_GEN_2; |
2475 |
+ else |
2476 |
+ reg |= SPEED_GEN_1; |
2477 |
+ advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); |
2478 |
+ |
2479 |
+ /* |
2480 |
+- * Enable link training. This is not needed in every call to this |
2481 |
+- * function, just once suffices, but it does not break anything either. |
2482 |
++ * Set maximal link speed value also into PCIe Link Control 2 register. |
2483 |
++ * Armada 3700 Functional Specification says that default value is based |
2484 |
++ * on SPEED_GEN but tests showed that default value is always 8.0 GT/s. |
2485 |
+ */ |
2486 |
++ reg = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL2); |
2487 |
++ reg &= ~PCI_EXP_LNKCTL2_TLS; |
2488 |
++ if (pcie->link_gen == 3) |
2489 |
++ reg |= PCI_EXP_LNKCTL2_TLS_8_0GT; |
2490 |
++ else if (pcie->link_gen == 2) |
2491 |
++ reg |= PCI_EXP_LNKCTL2_TLS_5_0GT; |
2492 |
++ else |
2493 |
++ reg |= PCI_EXP_LNKCTL2_TLS_2_5GT; |
2494 |
++ advk_writel(pcie, reg, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL2); |
2495 |
++ |
2496 |
++ /* Enable link training after selecting PCIe generation */ |
2497 |
+ reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); |
2498 |
+ reg |= LINK_TRAINING_EN; |
2499 |
+ advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); |
2500 |
+ |
2501 |
+- /* |
2502 |
+- * Start link training immediately after enabling it. |
2503 |
+- * This solves problems for some buggy cards. |
2504 |
+- */ |
2505 |
+- reg = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL); |
2506 |
+- reg |= PCI_EXP_LNKCTL_RL; |
2507 |
+- advk_writel(pcie, reg, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL); |
2508 |
+- |
2509 |
+- ret = advk_pcie_wait_for_link(pcie); |
2510 |
+- if (ret) |
2511 |
+- return ret; |
2512 |
+- |
2513 |
+- reg = advk_read16(pcie, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKSTA); |
2514 |
+- neg_gen = reg & PCI_EXP_LNKSTA_CLS; |
2515 |
+- |
2516 |
+- return neg_gen; |
2517 |
+-} |
2518 |
+- |
2519 |
+-static void advk_pcie_train_link(struct advk_pcie *pcie) |
2520 |
+-{ |
2521 |
+- struct device *dev = &pcie->pdev->dev; |
2522 |
+- int neg_gen = -1, gen; |
2523 |
+- |
2524 |
+ /* |
2525 |
+ * Reset PCIe card via PERST# signal. Some cards are not detected |
2526 |
+ * during link training when they are in some non-initial state. |
2527 |
+@@ -458,41 +439,18 @@ static void advk_pcie_train_link(struct advk_pcie *pcie) |
2528 |
+ * PERST# signal could have been asserted by pinctrl subsystem before |
2529 |
+ * probe() callback has been called or issued explicitly by reset gpio |
2530 |
+ * function advk_pcie_issue_perst(), making the endpoint going into |
2531 |
+- * fundamental reset. As required by PCI Express spec a delay for at |
2532 |
+- * least 100ms after such a reset before link training is needed. |
2533 |
+- */ |
2534 |
+- msleep(PCI_PM_D3COLD_WAIT); |
2535 |
+- |
2536 |
+- /* |
2537 |
+- * Try link training at link gen specified by device tree property |
2538 |
+- * 'max-link-speed'. If this fails, iteratively train at lower gen. |
2539 |
+- */ |
2540 |
+- for (gen = pcie->link_gen; gen > 0; --gen) { |
2541 |
+- neg_gen = advk_pcie_train_at_gen(pcie, gen); |
2542 |
+- if (neg_gen > 0) |
2543 |
+- break; |
2544 |
+- } |
2545 |
+- |
2546 |
+- if (neg_gen < 0) |
2547 |
+- goto err; |
2548 |
+- |
2549 |
+- /* |
2550 |
+- * After successful training if negotiated gen is lower than requested, |
2551 |
+- * train again on negotiated gen. This solves some stability issues for |
2552 |
+- * some buggy gen1 cards. |
2553 |
++ * fundamental reset. As required by PCI Express spec (PCI Express |
2554 |
++ * Base Specification, REV. 4.0 PCI Express, February 19 2014, 6.6.1 |
2555 |
++ * Conventional Reset) a delay for at least 100ms after such a reset |
2556 |
++ * before sending a Configuration Request to the device is needed. |
2557 |
++ * So wait until PCIe link is up. Function advk_pcie_wait_for_link() |
2558 |
++ * waits for link at least 900ms. |
2559 |
+ */ |
2560 |
+- if (neg_gen < gen) { |
2561 |
+- gen = neg_gen; |
2562 |
+- neg_gen = advk_pcie_train_at_gen(pcie, gen); |
2563 |
+- } |
2564 |
+- |
2565 |
+- if (neg_gen == gen) { |
2566 |
+- dev_info(dev, "link up at gen %i\n", gen); |
2567 |
+- return; |
2568 |
+- } |
2569 |
+- |
2570 |
+-err: |
2571 |
+- dev_err(dev, "link never came up\n"); |
2572 |
++ ret = advk_pcie_wait_for_link(pcie); |
2573 |
++ if (ret < 0) |
2574 |
++ dev_err(dev, "link never came up\n"); |
2575 |
++ else |
2576 |
++ dev_info(dev, "link up\n"); |
2577 |
+ } |
2578 |
+ |
2579 |
+ /* |
2580 |
+@@ -692,6 +650,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2581 |
+ u32 reg; |
2582 |
+ unsigned int status; |
2583 |
+ char *strcomp_status, *str_posted; |
2584 |
++ int ret; |
2585 |
+ |
2586 |
+ reg = advk_readl(pcie, PIO_STAT); |
2587 |
+ status = (reg & PIO_COMPLETION_STATUS_MASK) >> |
2588 |
+@@ -716,6 +675,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2589 |
+ case PIO_COMPLETION_STATUS_OK: |
2590 |
+ if (reg & PIO_ERR_STATUS) { |
2591 |
+ strcomp_status = "COMP_ERR"; |
2592 |
++ ret = -EFAULT; |
2593 |
+ break; |
2594 |
+ } |
2595 |
+ /* Get the read result */ |
2596 |
+@@ -723,9 +683,11 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2597 |
+ *val = advk_readl(pcie, PIO_RD_DATA); |
2598 |
+ /* No error */ |
2599 |
+ strcomp_status = NULL; |
2600 |
++ ret = 0; |
2601 |
+ break; |
2602 |
+ case PIO_COMPLETION_STATUS_UR: |
2603 |
+ strcomp_status = "UR"; |
2604 |
++ ret = -EOPNOTSUPP; |
2605 |
+ break; |
2606 |
+ case PIO_COMPLETION_STATUS_CRS: |
2607 |
+ if (allow_crs && val) { |
2608 |
+@@ -743,6 +705,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2609 |
+ */ |
2610 |
+ *val = CFG_RD_CRS_VAL; |
2611 |
+ strcomp_status = NULL; |
2612 |
++ ret = 0; |
2613 |
+ break; |
2614 |
+ } |
2615 |
+ /* PCIe r4.0, sec 2.3.2, says: |
2616 |
+@@ -758,21 +721,24 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2617 |
+ * Request and taking appropriate action, e.g., complete the |
2618 |
+ * Request to the host as a failed transaction. |
2619 |
+ * |
2620 |
+- * To simplify implementation do not re-issue the Configuration |
2621 |
+- * Request and complete the Request as a failed transaction. |
2622 |
++ * So return -EAGAIN and caller (pci-aardvark.c driver) will |
2623 |
++ * re-issue request again up to the PIO_RETRY_CNT retries. |
2624 |
+ */ |
2625 |
+ strcomp_status = "CRS"; |
2626 |
++ ret = -EAGAIN; |
2627 |
+ break; |
2628 |
+ case PIO_COMPLETION_STATUS_CA: |
2629 |
+ strcomp_status = "CA"; |
2630 |
++ ret = -ECANCELED; |
2631 |
+ break; |
2632 |
+ default: |
2633 |
+ strcomp_status = "Unknown"; |
2634 |
++ ret = -EINVAL; |
2635 |
+ break; |
2636 |
+ } |
2637 |
+ |
2638 |
+ if (!strcomp_status) |
2639 |
+- return 0; |
2640 |
++ return ret; |
2641 |
+ |
2642 |
+ if (reg & PIO_NON_POSTED_REQ) |
2643 |
+ str_posted = "Non-posted"; |
2644 |
+@@ -782,7 +748,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 |
2645 |
+ dev_dbg(dev, "%s PIO Response Status: %s, %#x @ %#x\n", |
2646 |
+ str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS)); |
2647 |
+ |
2648 |
+- return -EFAULT; |
2649 |
++ return ret; |
2650 |
+ } |
2651 |
+ |
2652 |
+ static int advk_pcie_wait_pio(struct advk_pcie *pcie) |
2653 |
+@@ -790,13 +756,13 @@ static int advk_pcie_wait_pio(struct advk_pcie *pcie) |
2654 |
+ struct device *dev = &pcie->pdev->dev; |
2655 |
+ int i; |
2656 |
+ |
2657 |
+- for (i = 0; i < PIO_RETRY_CNT; i++) { |
2658 |
++ for (i = 1; i <= PIO_RETRY_CNT; i++) { |
2659 |
+ u32 start, isr; |
2660 |
+ |
2661 |
+ start = advk_readl(pcie, PIO_START); |
2662 |
+ isr = advk_readl(pcie, PIO_ISR); |
2663 |
+ if (!start && isr) |
2664 |
+- return 0; |
2665 |
++ return i; |
2666 |
+ udelay(PIO_RETRY_DELAY); |
2667 |
+ } |
2668 |
+ |
2669 |
+@@ -984,7 +950,6 @@ static struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = { |
2670 |
+ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie) |
2671 |
+ { |
2672 |
+ struct pci_bridge_emul *bridge = &pcie->bridge; |
2673 |
+- int ret; |
2674 |
+ |
2675 |
+ bridge->conf.vendor = |
2676 |
+ cpu_to_le16(advk_readl(pcie, PCIE_CORE_DEV_ID_REG) & 0xffff); |
2677 |
+@@ -1004,19 +969,14 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie) |
2678 |
+ /* Support interrupt A for MSI feature */ |
2679 |
+ bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE; |
2680 |
+ |
2681 |
++ /* Indicates supports for Completion Retry Status */ |
2682 |
++ bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS); |
2683 |
++ |
2684 |
+ bridge->has_pcie = true; |
2685 |
+ bridge->data = pcie; |
2686 |
+ bridge->ops = &advk_pci_bridge_emul_ops; |
2687 |
+ |
2688 |
+- /* PCIe config space can be initialized after pci_bridge_emul_init() */ |
2689 |
+- ret = pci_bridge_emul_init(bridge, 0); |
2690 |
+- if (ret < 0) |
2691 |
+- return ret; |
2692 |
+- |
2693 |
+- /* Indicates supports for Completion Retry Status */ |
2694 |
+- bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS); |
2695 |
+- |
2696 |
+- return 0; |
2697 |
++ return pci_bridge_emul_init(bridge, 0); |
2698 |
+ } |
2699 |
+ |
2700 |
+ static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus, |
2701 |
+@@ -1068,6 +1028,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, |
2702 |
+ int where, int size, u32 *val) |
2703 |
+ { |
2704 |
+ struct advk_pcie *pcie = bus->sysdata; |
2705 |
++ int retry_count; |
2706 |
+ bool allow_crs; |
2707 |
+ u32 reg; |
2708 |
+ int ret; |
2709 |
+@@ -1090,18 +1051,8 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, |
2710 |
+ (le16_to_cpu(pcie->bridge.pcie_conf.rootctl) & |
2711 |
+ PCI_EXP_RTCTL_CRSSVE); |
2712 |
+ |
2713 |
+- if (advk_pcie_pio_is_running(pcie)) { |
2714 |
+- /* |
2715 |
+- * If it is possible return Completion Retry Status so caller |
2716 |
+- * tries to issue the request again instead of failing. |
2717 |
+- */ |
2718 |
+- if (allow_crs) { |
2719 |
+- *val = CFG_RD_CRS_VAL; |
2720 |
+- return PCIBIOS_SUCCESSFUL; |
2721 |
+- } |
2722 |
+- *val = 0xffffffff; |
2723 |
+- return PCIBIOS_SET_FAILED; |
2724 |
+- } |
2725 |
++ if (advk_pcie_pio_is_running(pcie)) |
2726 |
++ goto try_crs; |
2727 |
+ |
2728 |
+ /* Program the control register */ |
2729 |
+ reg = advk_readl(pcie, PIO_CTRL); |
2730 |
+@@ -1120,30 +1071,24 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, |
2731 |
+ /* Program the data strobe */ |
2732 |
+ advk_writel(pcie, 0xf, PIO_WR_DATA_STRB); |
2733 |
+ |
2734 |
+- /* Clear PIO DONE ISR and start the transfer */ |
2735 |
+- advk_writel(pcie, 1, PIO_ISR); |
2736 |
+- advk_writel(pcie, 1, PIO_START); |
2737 |
++ retry_count = 0; |
2738 |
++ do { |
2739 |
++ /* Clear PIO DONE ISR and start the transfer */ |
2740 |
++ advk_writel(pcie, 1, PIO_ISR); |
2741 |
++ advk_writel(pcie, 1, PIO_START); |
2742 |
+ |
2743 |
+- ret = advk_pcie_wait_pio(pcie); |
2744 |
+- if (ret < 0) { |
2745 |
+- /* |
2746 |
+- * If it is possible return Completion Retry Status so caller |
2747 |
+- * tries to issue the request again instead of failing. |
2748 |
+- */ |
2749 |
+- if (allow_crs) { |
2750 |
+- *val = CFG_RD_CRS_VAL; |
2751 |
+- return PCIBIOS_SUCCESSFUL; |
2752 |
+- } |
2753 |
+- *val = 0xffffffff; |
2754 |
+- return PCIBIOS_SET_FAILED; |
2755 |
+- } |
2756 |
++ ret = advk_pcie_wait_pio(pcie); |
2757 |
++ if (ret < 0) |
2758 |
++ goto try_crs; |
2759 |
+ |
2760 |
+- /* Check PIO status and get the read result */ |
2761 |
+- ret = advk_pcie_check_pio_status(pcie, allow_crs, val); |
2762 |
+- if (ret < 0) { |
2763 |
+- *val = 0xffffffff; |
2764 |
+- return PCIBIOS_SET_FAILED; |
2765 |
+- } |
2766 |
++ retry_count += ret; |
2767 |
++ |
2768 |
++ /* Check PIO status and get the read result */ |
2769 |
++ ret = advk_pcie_check_pio_status(pcie, allow_crs, val); |
2770 |
++ } while (ret == -EAGAIN && retry_count < PIO_RETRY_CNT); |
2771 |
++ |
2772 |
++ if (ret < 0) |
2773 |
++ goto fail; |
2774 |
+ |
2775 |
+ if (size == 1) |
2776 |
+ *val = (*val >> (8 * (where & 3))) & 0xff; |
2777 |
+@@ -1151,6 +1096,20 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, |
2778 |
+ *val = (*val >> (8 * (where & 3))) & 0xffff; |
2779 |
+ |
2780 |
+ return PCIBIOS_SUCCESSFUL; |
2781 |
++ |
2782 |
++try_crs: |
2783 |
++ /* |
2784 |
++ * If it is possible, return Completion Retry Status so that caller |
2785 |
++ * tries to issue the request again instead of failing. |
2786 |
++ */ |
2787 |
++ if (allow_crs) { |
2788 |
++ *val = CFG_RD_CRS_VAL; |
2789 |
++ return PCIBIOS_SUCCESSFUL; |
2790 |
++ } |
2791 |
++ |
2792 |
++fail: |
2793 |
++ *val = 0xffffffff; |
2794 |
++ return PCIBIOS_SET_FAILED; |
2795 |
+ } |
2796 |
+ |
2797 |
+ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, |
2798 |
+@@ -1159,6 +1118,7 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, |
2799 |
+ struct advk_pcie *pcie = bus->sysdata; |
2800 |
+ u32 reg; |
2801 |
+ u32 data_strobe = 0x0; |
2802 |
++ int retry_count; |
2803 |
+ int offset; |
2804 |
+ int ret; |
2805 |
+ |
2806 |
+@@ -1200,19 +1160,22 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, |
2807 |
+ /* Program the data strobe */ |
2808 |
+ advk_writel(pcie, data_strobe, PIO_WR_DATA_STRB); |
2809 |
+ |
2810 |
+- /* Clear PIO DONE ISR and start the transfer */ |
2811 |
+- advk_writel(pcie, 1, PIO_ISR); |
2812 |
+- advk_writel(pcie, 1, PIO_START); |
2813 |
++ retry_count = 0; |
2814 |
++ do { |
2815 |
++ /* Clear PIO DONE ISR and start the transfer */ |
2816 |
++ advk_writel(pcie, 1, PIO_ISR); |
2817 |
++ advk_writel(pcie, 1, PIO_START); |
2818 |
+ |
2819 |
+- ret = advk_pcie_wait_pio(pcie); |
2820 |
+- if (ret < 0) |
2821 |
+- return PCIBIOS_SET_FAILED; |
2822 |
++ ret = advk_pcie_wait_pio(pcie); |
2823 |
++ if (ret < 0) |
2824 |
++ return PCIBIOS_SET_FAILED; |
2825 |
+ |
2826 |
+- ret = advk_pcie_check_pio_status(pcie, false, NULL); |
2827 |
+- if (ret < 0) |
2828 |
+- return PCIBIOS_SET_FAILED; |
2829 |
++ retry_count += ret; |
2830 |
+ |
2831 |
+- return PCIBIOS_SUCCESSFUL; |
2832 |
++ ret = advk_pcie_check_pio_status(pcie, false, NULL); |
2833 |
++ } while (ret == -EAGAIN && retry_count < PIO_RETRY_CNT); |
2834 |
++ |
2835 |
++ return ret < 0 ? PCIBIOS_SET_FAILED : PCIBIOS_SUCCESSFUL; |
2836 |
+ } |
2837 |
+ |
2838 |
+ static struct pci_ops advk_pcie_ops = { |
2839 |
+diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c |
2840 |
+index 31c384108bc9c..8418b59b3743b 100644 |
2841 |
+--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c |
2842 |
++++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c |
2843 |
+@@ -3675,7 +3675,7 @@ _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) |
2844 |
+ |
2845 |
+ shost_for_each_device(sdev, ioc->shost) { |
2846 |
+ sas_device_priv_data = sdev->hostdata; |
2847 |
+- if (!sas_device_priv_data) |
2848 |
++ if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
2849 |
+ continue; |
2850 |
+ if (sas_device_priv_data->sas_target->sas_address |
2851 |
+ != sas_address) |
2852 |
+diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c |
2853 |
+index 3fc7c2a31c191..1a3f5adc68849 100644 |
2854 |
+--- a/drivers/scsi/scsi_debug.c |
2855 |
++++ b/drivers/scsi/scsi_debug.c |
2856 |
+@@ -4628,6 +4628,7 @@ static void zbc_rwp_zone(struct sdebug_dev_info *devip, |
2857 |
+ struct sdeb_zone_state *zsp) |
2858 |
+ { |
2859 |
+ enum sdebug_z_cond zc; |
2860 |
++ struct sdeb_store_info *sip = devip2sip(devip, false); |
2861 |
+ |
2862 |
+ if (zbc_zone_is_conv(zsp)) |
2863 |
+ return; |
2864 |
+@@ -4639,6 +4640,10 @@ static void zbc_rwp_zone(struct sdebug_dev_info *devip, |
2865 |
+ if (zsp->z_cond == ZC4_CLOSED) |
2866 |
+ devip->nr_closed--; |
2867 |
+ |
2868 |
++ if (zsp->z_wp > zsp->z_start) |
2869 |
++ memset(sip->storep + zsp->z_start * sdebug_sector_size, 0, |
2870 |
++ (zsp->z_wp - zsp->z_start) * sdebug_sector_size); |
2871 |
++ |
2872 |
+ zsp->z_non_seq_resource = false; |
2873 |
+ zsp->z_wp = zsp->z_start; |
2874 |
+ zsp->z_cond = ZC1_EMPTY; |
2875 |
+diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c |
2876 |
+index 8de67679a8782..42db9c52208e6 100644 |
2877 |
+--- a/drivers/scsi/scsi_sysfs.c |
2878 |
++++ b/drivers/scsi/scsi_sysfs.c |
2879 |
+@@ -816,7 +816,7 @@ store_state_field(struct device *dev, struct device_attribute *attr, |
2880 |
+ |
2881 |
+ mutex_lock(&sdev->state_mutex); |
2882 |
+ if (sdev->sdev_state == SDEV_RUNNING && state == SDEV_RUNNING) { |
2883 |
+- ret = count; |
2884 |
++ ret = 0; |
2885 |
+ } else { |
2886 |
+ ret = scsi_device_set_state(sdev, state); |
2887 |
+ if (ret == 0 && state == SDEV_RUNNING) |
2888 |
+diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c |
2889 |
+index cf263a58a1489..6fd549a424d53 100644 |
2890 |
+--- a/drivers/staging/fbtft/fb_ssd1351.c |
2891 |
++++ b/drivers/staging/fbtft/fb_ssd1351.c |
2892 |
+@@ -187,7 +187,6 @@ static struct fbtft_display display = { |
2893 |
+ }, |
2894 |
+ }; |
2895 |
+ |
2896 |
+-#ifdef CONFIG_FB_BACKLIGHT |
2897 |
+ static int update_onboard_backlight(struct backlight_device *bd) |
2898 |
+ { |
2899 |
+ struct fbtft_par *par = bl_get_data(bd); |
2900 |
+@@ -231,9 +230,6 @@ static void register_onboard_backlight(struct fbtft_par *par) |
2901 |
+ if (!par->fbtftops.unregister_backlight) |
2902 |
+ par->fbtftops.unregister_backlight = fbtft_unregister_backlight; |
2903 |
+ } |
2904 |
+-#else |
2905 |
+-static void register_onboard_backlight(struct fbtft_par *par) { }; |
2906 |
+-#endif |
2907 |
+ |
2908 |
+ FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1351", &display); |
2909 |
+ |
2910 |
+diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c |
2911 |
+index 3723269890d5f..d0c8d85f3db0f 100644 |
2912 |
+--- a/drivers/staging/fbtft/fbtft-core.c |
2913 |
++++ b/drivers/staging/fbtft/fbtft-core.c |
2914 |
+@@ -128,7 +128,6 @@ static int fbtft_request_gpios(struct fbtft_par *par) |
2915 |
+ return 0; |
2916 |
+ } |
2917 |
+ |
2918 |
+-#ifdef CONFIG_FB_BACKLIGHT |
2919 |
+ static int fbtft_backlight_update_status(struct backlight_device *bd) |
2920 |
+ { |
2921 |
+ struct fbtft_par *par = bl_get_data(bd); |
2922 |
+@@ -161,6 +160,7 @@ void fbtft_unregister_backlight(struct fbtft_par *par) |
2923 |
+ par->info->bl_dev = NULL; |
2924 |
+ } |
2925 |
+ } |
2926 |
++EXPORT_SYMBOL(fbtft_unregister_backlight); |
2927 |
+ |
2928 |
+ static const struct backlight_ops fbtft_bl_ops = { |
2929 |
+ .get_brightness = fbtft_backlight_get_brightness, |
2930 |
+@@ -198,12 +198,7 @@ void fbtft_register_backlight(struct fbtft_par *par) |
2931 |
+ if (!par->fbtftops.unregister_backlight) |
2932 |
+ par->fbtftops.unregister_backlight = fbtft_unregister_backlight; |
2933 |
+ } |
2934 |
+-#else |
2935 |
+-void fbtft_register_backlight(struct fbtft_par *par) { }; |
2936 |
+-void fbtft_unregister_backlight(struct fbtft_par *par) { }; |
2937 |
+-#endif |
2938 |
+ EXPORT_SYMBOL(fbtft_register_backlight); |
2939 |
+-EXPORT_SYMBOL(fbtft_unregister_backlight); |
2940 |
+ |
2941 |
+ static void fbtft_set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, |
2942 |
+ int ye) |
2943 |
+@@ -853,13 +848,11 @@ int fbtft_register_framebuffer(struct fb_info *fb_info) |
2944 |
+ fb_info->fix.smem_len >> 10, text1, |
2945 |
+ HZ / fb_info->fbdefio->delay, text2); |
2946 |
+ |
2947 |
+-#ifdef CONFIG_FB_BACKLIGHT |
2948 |
+ /* Turn on backlight if available */ |
2949 |
+ if (fb_info->bl_dev) { |
2950 |
+ fb_info->bl_dev->props.power = FB_BLANK_UNBLANK; |
2951 |
+ fb_info->bl_dev->ops->update_status(fb_info->bl_dev); |
2952 |
+ } |
2953 |
+-#endif |
2954 |
+ |
2955 |
+ return 0; |
2956 |
+ |
2957 |
+diff --git a/drivers/staging/greybus/audio_helper.c b/drivers/staging/greybus/audio_helper.c |
2958 |
+index 3011b8abce389..a9576f92efaa4 100644 |
2959 |
+--- a/drivers/staging/greybus/audio_helper.c |
2960 |
++++ b/drivers/staging/greybus/audio_helper.c |
2961 |
+@@ -192,7 +192,11 @@ int gbaudio_remove_component_controls(struct snd_soc_component *component, |
2962 |
+ unsigned int num_controls) |
2963 |
+ { |
2964 |
+ struct snd_card *card = component->card->snd_card; |
2965 |
++ int err; |
2966 |
+ |
2967 |
+- return gbaudio_remove_controls(card, component->dev, controls, |
2968 |
+- num_controls, component->name_prefix); |
2969 |
++ down_write(&card->controls_rwsem); |
2970 |
++ err = gbaudio_remove_controls(card, component->dev, controls, |
2971 |
++ num_controls, component->name_prefix); |
2972 |
++ up_write(&card->controls_rwsem); |
2973 |
++ return err; |
2974 |
+ } |
2975 |
+diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c |
2976 |
+index 663675efcfe4c..99c27d6b42333 100644 |
2977 |
+--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c |
2978 |
++++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c |
2979 |
+@@ -2551,13 +2551,14 @@ static void _rtl92e_pci_disconnect(struct pci_dev *pdev) |
2980 |
+ free_irq(dev->irq, dev); |
2981 |
+ priv->irq = 0; |
2982 |
+ } |
2983 |
+- free_rtllib(dev); |
2984 |
+ |
2985 |
+ if (dev->mem_start != 0) { |
2986 |
+ iounmap((void __iomem *)dev->mem_start); |
2987 |
+ release_mem_region(pci_resource_start(pdev, 1), |
2988 |
+ pci_resource_len(pdev, 1)); |
2989 |
+ } |
2990 |
++ |
2991 |
++ free_rtllib(dev); |
2992 |
+ } else { |
2993 |
+ priv = rtllib_priv(dev); |
2994 |
+ } |
2995 |
+diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c |
2996 |
+index 92c9a476defc9..8f143c09a1696 100644 |
2997 |
+--- a/drivers/tty/hvc/hvc_xen.c |
2998 |
++++ b/drivers/tty/hvc/hvc_xen.c |
2999 |
+@@ -86,7 +86,11 @@ static int __write_console(struct xencons_info *xencons, |
3000 |
+ cons = intf->out_cons; |
3001 |
+ prod = intf->out_prod; |
3002 |
+ mb(); /* update queue values before going on */ |
3003 |
+- BUG_ON((prod - cons) > sizeof(intf->out)); |
3004 |
++ |
3005 |
++ if ((prod - cons) > sizeof(intf->out)) { |
3006 |
++ pr_err_once("xencons: Illegal ring page indices"); |
3007 |
++ return -EINVAL; |
3008 |
++ } |
3009 |
+ |
3010 |
+ while ((sent < len) && ((prod - cons) < sizeof(intf->out))) |
3011 |
+ intf->out[MASK_XENCONS_IDX(prod++, intf->out)] = data[sent++]; |
3012 |
+@@ -114,7 +118,10 @@ static int domU_write_console(uint32_t vtermno, const char *data, int len) |
3013 |
+ */ |
3014 |
+ while (len) { |
3015 |
+ int sent = __write_console(cons, data, len); |
3016 |
+- |
3017 |
++ |
3018 |
++ if (sent < 0) |
3019 |
++ return sent; |
3020 |
++ |
3021 |
+ data += sent; |
3022 |
+ len -= sent; |
3023 |
+ |
3024 |
+@@ -138,7 +145,11 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) |
3025 |
+ cons = intf->in_cons; |
3026 |
+ prod = intf->in_prod; |
3027 |
+ mb(); /* get pointers before reading ring */ |
3028 |
+- BUG_ON((prod - cons) > sizeof(intf->in)); |
3029 |
++ |
3030 |
++ if ((prod - cons) > sizeof(intf->in)) { |
3031 |
++ pr_err_once("xencons: Illegal ring page indices"); |
3032 |
++ return -EINVAL; |
3033 |
++ } |
3034 |
+ |
3035 |
+ while (cons != prod && recv < len) |
3036 |
+ buf[recv++] = intf->in[MASK_XENCONS_IDX(cons++, intf->in)]; |
3037 |
+diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c |
3038 |
+index b4c6527fe5f66..f798455942844 100644 |
3039 |
+--- a/drivers/usb/chipidea/ci_hdrc_imx.c |
3040 |
++++ b/drivers/usb/chipidea/ci_hdrc_imx.c |
3041 |
+@@ -425,15 +425,15 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) |
3042 |
+ data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0); |
3043 |
+ if (IS_ERR(data->phy)) { |
3044 |
+ ret = PTR_ERR(data->phy); |
3045 |
+- if (ret == -ENODEV) { |
3046 |
+- data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0); |
3047 |
+- if (IS_ERR(data->phy)) { |
3048 |
+- ret = PTR_ERR(data->phy); |
3049 |
+- if (ret == -ENODEV) |
3050 |
+- data->phy = NULL; |
3051 |
+- else |
3052 |
+- goto err_clk; |
3053 |
+- } |
3054 |
++ if (ret != -ENODEV) |
3055 |
++ goto err_clk; |
3056 |
++ data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0); |
3057 |
++ if (IS_ERR(data->phy)) { |
3058 |
++ ret = PTR_ERR(data->phy); |
3059 |
++ if (ret == -ENODEV) |
3060 |
++ data->phy = NULL; |
3061 |
++ else |
3062 |
++ goto err_clk; |
3063 |
+ } |
3064 |
+ } |
3065 |
+ |
3066 |
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c |
3067 |
+index 95a9bae72f135..3f406519da58d 100644 |
3068 |
+--- a/drivers/usb/core/hub.c |
3069 |
++++ b/drivers/usb/core/hub.c |
3070 |
+@@ -4628,8 +4628,6 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, |
3071 |
+ if (oldspeed == USB_SPEED_LOW) |
3072 |
+ delay = HUB_LONG_RESET_TIME; |
3073 |
+ |
3074 |
+- mutex_lock(hcd->address0_mutex); |
3075 |
+- |
3076 |
+ /* Reset the device; full speed may morph to high speed */ |
3077 |
+ /* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */ |
3078 |
+ retval = hub_port_reset(hub, port1, udev, delay, false); |
3079 |
+@@ -4940,7 +4938,6 @@ fail: |
3080 |
+ hub_port_disable(hub, port1, 0); |
3081 |
+ update_devnum(udev, devnum); /* for disconnect processing */ |
3082 |
+ } |
3083 |
+- mutex_unlock(hcd->address0_mutex); |
3084 |
+ return retval; |
3085 |
+ } |
3086 |
+ |
3087 |
+@@ -5115,6 +5112,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, |
3088 |
+ struct usb_port *port_dev = hub->ports[port1 - 1]; |
3089 |
+ struct usb_device *udev = port_dev->child; |
3090 |
+ static int unreliable_port = -1; |
3091 |
++ bool retry_locked; |
3092 |
+ |
3093 |
+ /* Disconnect any existing devices under this port */ |
3094 |
+ if (udev) { |
3095 |
+@@ -5170,8 +5168,11 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, |
3096 |
+ unit_load = 100; |
3097 |
+ |
3098 |
+ status = 0; |
3099 |
+- for (i = 0; i < PORT_INIT_TRIES; i++) { |
3100 |
+ |
3101 |
++ for (i = 0; i < PORT_INIT_TRIES; i++) { |
3102 |
++ usb_lock_port(port_dev); |
3103 |
++ mutex_lock(hcd->address0_mutex); |
3104 |
++ retry_locked = true; |
3105 |
+ /* reallocate for each attempt, since references |
3106 |
+ * to the previous one can escape in various ways |
3107 |
+ */ |
3108 |
+@@ -5179,6 +5180,8 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, |
3109 |
+ if (!udev) { |
3110 |
+ dev_err(&port_dev->dev, |
3111 |
+ "couldn't allocate usb_device\n"); |
3112 |
++ mutex_unlock(hcd->address0_mutex); |
3113 |
++ usb_unlock_port(port_dev); |
3114 |
+ goto done; |
3115 |
+ } |
3116 |
+ |
3117 |
+@@ -5200,12 +5203,14 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, |
3118 |
+ } |
3119 |
+ |
3120 |
+ /* reset (non-USB 3.0 devices) and get descriptor */ |
3121 |
+- usb_lock_port(port_dev); |
3122 |
+ status = hub_port_init(hub, udev, port1, i); |
3123 |
+- usb_unlock_port(port_dev); |
3124 |
+ if (status < 0) |
3125 |
+ goto loop; |
3126 |
+ |
3127 |
++ mutex_unlock(hcd->address0_mutex); |
3128 |
++ usb_unlock_port(port_dev); |
3129 |
++ retry_locked = false; |
3130 |
++ |
3131 |
+ if (udev->quirks & USB_QUIRK_DELAY_INIT) |
3132 |
+ msleep(2000); |
3133 |
+ |
3134 |
+@@ -5298,6 +5303,10 @@ loop: |
3135 |
+ usb_ep0_reinit(udev); |
3136 |
+ release_devnum(udev); |
3137 |
+ hub_free_dev(udev); |
3138 |
++ if (retry_locked) { |
3139 |
++ mutex_unlock(hcd->address0_mutex); |
3140 |
++ usb_unlock_port(port_dev); |
3141 |
++ } |
3142 |
+ usb_put_dev(udev); |
3143 |
+ if ((status == -ENOTCONN) || (status == -ENOTSUPP)) |
3144 |
+ break; |
3145 |
+@@ -5839,6 +5848,8 @@ static int usb_reset_and_verify_device(struct usb_device *udev) |
3146 |
+ bos = udev->bos; |
3147 |
+ udev->bos = NULL; |
3148 |
+ |
3149 |
++ mutex_lock(hcd->address0_mutex); |
3150 |
++ |
3151 |
+ for (i = 0; i < PORT_INIT_TRIES; ++i) { |
3152 |
+ |
3153 |
+ /* ep0 maxpacket size may change; let the HCD know about it. |
3154 |
+@@ -5848,6 +5859,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) |
3155 |
+ if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV) |
3156 |
+ break; |
3157 |
+ } |
3158 |
++ mutex_unlock(hcd->address0_mutex); |
3159 |
+ |
3160 |
+ if (ret < 0) |
3161 |
+ goto re_enumerate; |
3162 |
+diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c |
3163 |
+index 7207a36c6e26b..449f19c3633c2 100644 |
3164 |
+--- a/drivers/usb/dwc2/gadget.c |
3165 |
++++ b/drivers/usb/dwc2/gadget.c |
3166 |
+@@ -1198,6 +1198,8 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, |
3167 |
+ } |
3168 |
+ ctrl |= DXEPCTL_CNAK; |
3169 |
+ } else { |
3170 |
++ hs_req->req.frame_number = hs_ep->target_frame; |
3171 |
++ hs_req->req.actual = 0; |
3172 |
+ dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); |
3173 |
+ return; |
3174 |
+ } |
3175 |
+@@ -2856,9 +2858,12 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep) |
3176 |
+ |
3177 |
+ do { |
3178 |
+ hs_req = get_ep_head(hs_ep); |
3179 |
+- if (hs_req) |
3180 |
++ if (hs_req) { |
3181 |
++ hs_req->req.frame_number = hs_ep->target_frame; |
3182 |
++ hs_req->req.actual = 0; |
3183 |
+ dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, |
3184 |
+ -ENODATA); |
3185 |
++ } |
3186 |
+ dwc2_gadget_incr_frame_num(hs_ep); |
3187 |
+ /* Update current frame number value. */ |
3188 |
+ hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg); |
3189 |
+@@ -2911,8 +2916,11 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep) |
3190 |
+ |
3191 |
+ while (dwc2_gadget_target_frame_elapsed(ep)) { |
3192 |
+ hs_req = get_ep_head(ep); |
3193 |
+- if (hs_req) |
3194 |
++ if (hs_req) { |
3195 |
++ hs_req->req.frame_number = ep->target_frame; |
3196 |
++ hs_req->req.actual = 0; |
3197 |
+ dwc2_hsotg_complete_request(hsotg, ep, hs_req, -ENODATA); |
3198 |
++ } |
3199 |
+ |
3200 |
+ dwc2_gadget_incr_frame_num(ep); |
3201 |
+ /* Update current frame number value. */ |
3202 |
+@@ -3001,8 +3009,11 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep) |
3203 |
+ |
3204 |
+ while (dwc2_gadget_target_frame_elapsed(hs_ep)) { |
3205 |
+ hs_req = get_ep_head(hs_ep); |
3206 |
+- if (hs_req) |
3207 |
++ if (hs_req) { |
3208 |
++ hs_req->req.frame_number = hs_ep->target_frame; |
3209 |
++ hs_req->req.actual = 0; |
3210 |
+ dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); |
3211 |
++ } |
3212 |
+ |
3213 |
+ dwc2_gadget_incr_frame_num(hs_ep); |
3214 |
+ /* Update current frame number value. */ |
3215 |
+diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c |
3216 |
+index 68bbac64b7536..94af71e9856f2 100644 |
3217 |
+--- a/drivers/usb/dwc2/hcd_queue.c |
3218 |
++++ b/drivers/usb/dwc2/hcd_queue.c |
3219 |
+@@ -59,7 +59,7 @@ |
3220 |
+ #define DWC2_UNRESERVE_DELAY (msecs_to_jiffies(5)) |
3221 |
+ |
3222 |
+ /* If we get a NAK, wait this long before retrying */ |
3223 |
+-#define DWC2_RETRY_WAIT_DELAY 1*1E6L |
3224 |
++#define DWC2_RETRY_WAIT_DELAY (1 * NSEC_PER_MSEC) |
3225 |
+ |
3226 |
+ /** |
3227 |
+ * dwc2_periodic_channel_available() - Checks that a channel is available for a |
3228 |
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c |
3229 |
+index b75fe568096f9..e9a87e1f49508 100644 |
3230 |
+--- a/drivers/usb/dwc3/gadget.c |
3231 |
++++ b/drivers/usb/dwc3/gadget.c |
3232 |
+@@ -310,13 +310,24 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd, |
3233 |
+ if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) { |
3234 |
+ int link_state; |
3235 |
+ |
3236 |
++ /* |
3237 |
++ * Initiate remote wakeup if the link state is in U3 when |
3238 |
++ * operating in SS/SSP or L1/L2 when operating in HS/FS. If the |
3239 |
++ * link state is in U1/U2, no remote wakeup is needed. The Start |
3240 |
++ * Transfer command will initiate the link recovery. |
3241 |
++ */ |
3242 |
+ link_state = dwc3_gadget_get_link_state(dwc); |
3243 |
+- if (link_state == DWC3_LINK_STATE_U1 || |
3244 |
+- link_state == DWC3_LINK_STATE_U2 || |
3245 |
+- link_state == DWC3_LINK_STATE_U3) { |
3246 |
++ switch (link_state) { |
3247 |
++ case DWC3_LINK_STATE_U2: |
3248 |
++ if (dwc->gadget->speed >= USB_SPEED_SUPER) |
3249 |
++ break; |
3250 |
++ |
3251 |
++ fallthrough; |
3252 |
++ case DWC3_LINK_STATE_U3: |
3253 |
+ ret = __dwc3_gadget_wakeup(dwc); |
3254 |
+ dev_WARN_ONCE(dwc->dev, ret, "wakeup failed --> %d\n", |
3255 |
+ ret); |
3256 |
++ break; |
3257 |
+ } |
3258 |
+ } |
3259 |
+ |
3260 |
+@@ -2907,6 +2918,9 @@ static bool dwc3_gadget_endpoint_trbs_complete(struct dwc3_ep *dep, |
3261 |
+ struct dwc3 *dwc = dep->dwc; |
3262 |
+ bool no_started_trb = true; |
3263 |
+ |
3264 |
++ if (!dep->endpoint.desc) |
3265 |
++ return no_started_trb; |
3266 |
++ |
3267 |
+ dwc3_gadget_ep_cleanup_completed_requests(dep, event, status); |
3268 |
+ |
3269 |
+ if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) |
3270 |
+@@ -2954,6 +2968,9 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep, |
3271 |
+ { |
3272 |
+ int status = 0; |
3273 |
+ |
3274 |
++ if (!dep->endpoint.desc) |
3275 |
++ return; |
3276 |
++ |
3277 |
+ if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) |
3278 |
+ dwc3_gadget_endpoint_frame_from_event(dep, event); |
3279 |
+ |
3280 |
+@@ -3007,6 +3024,14 @@ static void dwc3_gadget_endpoint_command_complete(struct dwc3_ep *dep, |
3281 |
+ if (cmd != DWC3_DEPCMD_ENDTRANSFER) |
3282 |
+ return; |
3283 |
+ |
3284 |
++ /* |
3285 |
++ * The END_TRANSFER command will cause the controller to generate a |
3286 |
++ * NoStream Event, and it's not due to the host DP NoStream rejection. |
3287 |
++ * Ignore the next NoStream event. |
3288 |
++ */ |
3289 |
++ if (dep->stream_capable) |
3290 |
++ dep->flags |= DWC3_EP_IGNORE_NEXT_NOSTREAM; |
3291 |
++ |
3292 |
+ dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING; |
3293 |
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED; |
3294 |
+ dwc3_gadget_ep_cleanup_cancelled_requests(dep); |
3295 |
+@@ -3229,14 +3254,6 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, |
3296 |
+ WARN_ON_ONCE(ret); |
3297 |
+ dep->resource_index = 0; |
3298 |
+ |
3299 |
+- /* |
3300 |
+- * The END_TRANSFER command will cause the controller to generate a |
3301 |
+- * NoStream Event, and it's not due to the host DP NoStream rejection. |
3302 |
+- * Ignore the next NoStream event. |
3303 |
+- */ |
3304 |
+- if (dep->stream_capable) |
3305 |
+- dep->flags |= DWC3_EP_IGNORE_NEXT_NOSTREAM; |
3306 |
+- |
3307 |
+ if (!interrupt) |
3308 |
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED; |
3309 |
+ else |
3310 |
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c |
3311 |
+index c7356718a7c66..28ffe4e358b77 100644 |
3312 |
+--- a/drivers/usb/serial/option.c |
3313 |
++++ b/drivers/usb/serial/option.c |
3314 |
+@@ -1267,6 +1267,8 @@ static const struct usb_device_id option_ids[] = { |
3315 |
+ .driver_info = NCTRL(2) }, |
3316 |
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ |
3317 |
+ .driver_info = NCTRL(0) | ZLP }, |
3318 |
++ { USB_DEVICE(TELIT_VENDOR_ID, 0x9200), /* Telit LE910S1 flashing device */ |
3319 |
++ .driver_info = NCTRL(0) | ZLP }, |
3320 |
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ |
3321 |
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), |
3322 |
+ .driver_info = RSVD(1) }, |
3323 |
+@@ -2094,6 +2096,9 @@ static const struct usb_device_id option_ids[] = { |
3324 |
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */ |
3325 |
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */ |
3326 |
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ |
3327 |
++ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */ |
3328 |
++ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */ |
3329 |
++ .driver_info = RSVD(4) }, |
3330 |
+ { USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */ |
3331 |
+ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ |
3332 |
+ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ |
3333 |
+diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c |
3334 |
+index 99562cc65ca69..700e38e921523 100644 |
3335 |
+--- a/drivers/usb/typec/tcpm/fusb302.c |
3336 |
++++ b/drivers/usb/typec/tcpm/fusb302.c |
3337 |
+@@ -669,25 +669,27 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc) |
3338 |
+ ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK, |
3339 |
+ FUSB_REG_MASK_BC_LVL | |
3340 |
+ FUSB_REG_MASK_COMP_CHNG, |
3341 |
+- FUSB_REG_MASK_COMP_CHNG); |
3342 |
++ FUSB_REG_MASK_BC_LVL); |
3343 |
+ if (ret < 0) { |
3344 |
+ fusb302_log(chip, "cannot set SRC interrupt, ret=%d", |
3345 |
+ ret); |
3346 |
+ goto done; |
3347 |
+ } |
3348 |
+ chip->intr_comp_chng = true; |
3349 |
++ chip->intr_bc_lvl = false; |
3350 |
+ break; |
3351 |
+ case TYPEC_CC_RD: |
3352 |
+ ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK, |
3353 |
+ FUSB_REG_MASK_BC_LVL | |
3354 |
+ FUSB_REG_MASK_COMP_CHNG, |
3355 |
+- FUSB_REG_MASK_BC_LVL); |
3356 |
++ FUSB_REG_MASK_COMP_CHNG); |
3357 |
+ if (ret < 0) { |
3358 |
+ fusb302_log(chip, "cannot set SRC interrupt, ret=%d", |
3359 |
+ ret); |
3360 |
+ goto done; |
3361 |
+ } |
3362 |
+ chip->intr_bc_lvl = true; |
3363 |
++ chip->intr_comp_chng = false; |
3364 |
+ break; |
3365 |
+ default: |
3366 |
+ break; |
3367 |
+diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c |
3368 |
+index a483cec31d5cb..5cd1ee66d2326 100644 |
3369 |
+--- a/drivers/vhost/vsock.c |
3370 |
++++ b/drivers/vhost/vsock.c |
3371 |
+@@ -494,7 +494,7 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work) |
3372 |
+ virtio_transport_free_pkt(pkt); |
3373 |
+ |
3374 |
+ len += sizeof(pkt->hdr); |
3375 |
+- vhost_add_used(vq, head, len); |
3376 |
++ vhost_add_used(vq, head, 0); |
3377 |
+ total_len += len; |
3378 |
+ added = true; |
3379 |
+ } while(likely(!vhost_exceeds_weight(vq, ++pkts, total_len))); |
3380 |
+diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c |
3381 |
+index 8a75092bb148b..98d870672dc5e 100644 |
3382 |
+--- a/drivers/xen/xenbus/xenbus_probe.c |
3383 |
++++ b/drivers/xen/xenbus/xenbus_probe.c |
3384 |
+@@ -846,7 +846,7 @@ static struct notifier_block xenbus_resume_nb = { |
3385 |
+ |
3386 |
+ static int __init xenbus_init(void) |
3387 |
+ { |
3388 |
+- int err = 0; |
3389 |
++ int err; |
3390 |
+ uint64_t v = 0; |
3391 |
+ xen_store_domain_type = XS_UNKNOWN; |
3392 |
+ |
3393 |
+@@ -886,6 +886,29 @@ static int __init xenbus_init(void) |
3394 |
+ err = hvm_get_parameter(HVM_PARAM_STORE_PFN, &v); |
3395 |
+ if (err) |
3396 |
+ goto out_error; |
3397 |
++ /* |
3398 |
++ * Uninitialized hvm_params are zero and return no error. |
3399 |
++ * Although it is theoretically possible to have |
3400 |
++ * HVM_PARAM_STORE_PFN set to zero on purpose, in reality it is |
3401 |
++ * not zero when valid. If zero, it means that Xenstore hasn't |
3402 |
++ * been properly initialized. Instead of attempting to map a |
3403 |
++ * wrong guest physical address return error. |
3404 |
++ * |
3405 |
++ * Also recognize all bits set as an invalid value. |
3406 |
++ */ |
3407 |
++ if (!v || !~v) { |
3408 |
++ err = -ENOENT; |
3409 |
++ goto out_error; |
3410 |
++ } |
3411 |
++ /* Avoid truncation on 32-bit. */ |
3412 |
++#if BITS_PER_LONG == 32 |
3413 |
++ if (v > ULONG_MAX) { |
3414 |
++ pr_err("%s: cannot handle HVM_PARAM_STORE_PFN=%llx > ULONG_MAX\n", |
3415 |
++ __func__, v); |
3416 |
++ err = -EINVAL; |
3417 |
++ goto out_error; |
3418 |
++ } |
3419 |
++#endif |
3420 |
+ xen_store_gfn = (unsigned long)v; |
3421 |
+ xen_store_interface = |
3422 |
+ xen_remap(xen_store_gfn << XEN_PAGE_SHIFT, |
3423 |
+@@ -920,8 +943,10 @@ static int __init xenbus_init(void) |
3424 |
+ */ |
3425 |
+ proc_create_mount_point("xen"); |
3426 |
+ #endif |
3427 |
++ return 0; |
3428 |
+ |
3429 |
+ out_error: |
3430 |
++ xen_store_domain_type = XS_UNKNOWN; |
3431 |
+ return err; |
3432 |
+ } |
3433 |
+ |
3434 |
+diff --git a/fs/ceph/super.c b/fs/ceph/super.c |
3435 |
+index f33bfb255db8f..08c8d34c98091 100644 |
3436 |
+--- a/fs/ceph/super.c |
3437 |
++++ b/fs/ceph/super.c |
3438 |
+@@ -52,8 +52,7 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) |
3439 |
+ struct ceph_fs_client *fsc = ceph_inode_to_client(d_inode(dentry)); |
3440 |
+ struct ceph_mon_client *monc = &fsc->client->monc; |
3441 |
+ struct ceph_statfs st; |
3442 |
+- u64 fsid; |
3443 |
+- int err; |
3444 |
++ int i, err; |
3445 |
+ u64 data_pool; |
3446 |
+ |
3447 |
+ if (fsc->mdsc->mdsmap->m_num_data_pg_pools == 1) { |
3448 |
+@@ -99,12 +98,14 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) |
3449 |
+ buf->f_namelen = NAME_MAX; |
3450 |
+ |
3451 |
+ /* Must convert the fsid, for consistent values across arches */ |
3452 |
++ buf->f_fsid.val[0] = 0; |
3453 |
+ mutex_lock(&monc->mutex); |
3454 |
+- fsid = le64_to_cpu(*(__le64 *)(&monc->monmap->fsid)) ^ |
3455 |
+- le64_to_cpu(*((__le64 *)&monc->monmap->fsid + 1)); |
3456 |
++ for (i = 0 ; i < sizeof(monc->monmap->fsid) / sizeof(__le32) ; ++i) |
3457 |
++ buf->f_fsid.val[0] ^= le32_to_cpu(((__le32 *)&monc->monmap->fsid)[i]); |
3458 |
+ mutex_unlock(&monc->mutex); |
3459 |
+ |
3460 |
+- buf->f_fsid = u64_to_fsid(fsid); |
3461 |
++ /* fold the fs_cluster_id into the upper bits */ |
3462 |
++ buf->f_fsid.val[1] = monc->fs_cluster_id; |
3463 |
+ |
3464 |
+ return 0; |
3465 |
+ } |
3466 |
+diff --git a/fs/cifs/file.c b/fs/cifs/file.c |
3467 |
+index 67139f9d583f2..6c06870f90184 100644 |
3468 |
+--- a/fs/cifs/file.c |
3469 |
++++ b/fs/cifs/file.c |
3470 |
+@@ -2618,12 +2618,23 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, |
3471 |
+ tcon = tlink_tcon(smbfile->tlink); |
3472 |
+ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) { |
3473 |
+ server = tcon->ses->server; |
3474 |
+- if (server->ops->flush) |
3475 |
+- rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3476 |
+- else |
3477 |
++ if (server->ops->flush == NULL) { |
3478 |
+ rc = -ENOSYS; |
3479 |
++ goto strict_fsync_exit; |
3480 |
++ } |
3481 |
++ |
3482 |
++ if ((OPEN_FMODE(smbfile->f_flags) & FMODE_WRITE) == 0) { |
3483 |
++ smbfile = find_writable_file(CIFS_I(inode), FIND_WR_ANY); |
3484 |
++ if (smbfile) { |
3485 |
++ rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3486 |
++ cifsFileInfo_put(smbfile); |
3487 |
++ } else |
3488 |
++ cifs_dbg(FYI, "ignore fsync for file not open for write\n"); |
3489 |
++ } else |
3490 |
++ rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3491 |
+ } |
3492 |
+ |
3493 |
++strict_fsync_exit: |
3494 |
+ free_xid(xid); |
3495 |
+ return rc; |
3496 |
+ } |
3497 |
+@@ -2635,6 +2646,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) |
3498 |
+ struct cifs_tcon *tcon; |
3499 |
+ struct TCP_Server_Info *server; |
3500 |
+ struct cifsFileInfo *smbfile = file->private_data; |
3501 |
++ struct inode *inode = file_inode(file); |
3502 |
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file); |
3503 |
+ |
3504 |
+ rc = file_write_and_wait_range(file, start, end); |
3505 |
+@@ -2651,12 +2663,23 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) |
3506 |
+ tcon = tlink_tcon(smbfile->tlink); |
3507 |
+ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) { |
3508 |
+ server = tcon->ses->server; |
3509 |
+- if (server->ops->flush) |
3510 |
+- rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3511 |
+- else |
3512 |
++ if (server->ops->flush == NULL) { |
3513 |
+ rc = -ENOSYS; |
3514 |
++ goto fsync_exit; |
3515 |
++ } |
3516 |
++ |
3517 |
++ if ((OPEN_FMODE(smbfile->f_flags) & FMODE_WRITE) == 0) { |
3518 |
++ smbfile = find_writable_file(CIFS_I(inode), FIND_WR_ANY); |
3519 |
++ if (smbfile) { |
3520 |
++ rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3521 |
++ cifsFileInfo_put(smbfile); |
3522 |
++ } else |
3523 |
++ cifs_dbg(FYI, "ignore fsync for file not open for write\n"); |
3524 |
++ } else |
3525 |
++ rc = server->ops->flush(xid, tcon, &smbfile->fid); |
3526 |
+ } |
3527 |
+ |
3528 |
++fsync_exit: |
3529 |
+ free_xid(xid); |
3530 |
+ return rc; |
3531 |
+ } |
3532 |
+diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c |
3533 |
+index de9986d2f82fd..5c11199d753a6 100644 |
3534 |
+--- a/fs/erofs/utils.c |
3535 |
++++ b/fs/erofs/utils.c |
3536 |
+@@ -154,7 +154,7 @@ static bool erofs_try_to_release_workgroup(struct erofs_sb_info *sbi, |
3537 |
+ * however in order to avoid some race conditions, add a |
3538 |
+ * DBG_BUGON to observe this in advance. |
3539 |
+ */ |
3540 |
+- DBG_BUGON(xa_erase(&sbi->managed_pslots, grp->index) != grp); |
3541 |
++ DBG_BUGON(__xa_erase(&sbi->managed_pslots, grp->index) != grp); |
3542 |
+ |
3543 |
+ /* last refcount should be connected with its managed pslot. */ |
3544 |
+ erofs_workgroup_unfreeze(grp, 0); |
3545 |
+@@ -169,15 +169,19 @@ static unsigned long erofs_shrink_workstation(struct erofs_sb_info *sbi, |
3546 |
+ unsigned int freed = 0; |
3547 |
+ unsigned long index; |
3548 |
+ |
3549 |
++ xa_lock(&sbi->managed_pslots); |
3550 |
+ xa_for_each(&sbi->managed_pslots, index, grp) { |
3551 |
+ /* try to shrink each valid workgroup */ |
3552 |
+ if (!erofs_try_to_release_workgroup(sbi, grp)) |
3553 |
+ continue; |
3554 |
++ xa_unlock(&sbi->managed_pslots); |
3555 |
+ |
3556 |
+ ++freed; |
3557 |
+ if (!--nr_shrink) |
3558 |
+- break; |
3559 |
++ return freed; |
3560 |
++ xa_lock(&sbi->managed_pslots); |
3561 |
+ } |
3562 |
++ xa_unlock(&sbi->managed_pslots); |
3563 |
+ return freed; |
3564 |
+ } |
3565 |
+ |
3566 |
+diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c |
3567 |
+index 597a145c08ef5..7e625806bd4a2 100644 |
3568 |
+--- a/fs/f2fs/node.c |
3569 |
++++ b/fs/f2fs/node.c |
3570 |
+@@ -1389,6 +1389,7 @@ page_hit: |
3571 |
+ nid, nid_of_node(page), ino_of_node(page), |
3572 |
+ ofs_of_node(page), cpver_of_node(page), |
3573 |
+ next_blkaddr_of_node(page)); |
3574 |
++ set_sbi_flag(sbi, SBI_NEED_FSCK); |
3575 |
+ err = -EINVAL; |
3576 |
+ out_err: |
3577 |
+ ClearPageUptodate(page); |
3578 |
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c |
3579 |
+index fb1917730e0e4..d100b5dfedbd2 100644 |
3580 |
+--- a/fs/fuse/dev.c |
3581 |
++++ b/fs/fuse/dev.c |
3582 |
+@@ -851,17 +851,17 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) |
3583 |
+ goto out_put_old; |
3584 |
+ } |
3585 |
+ |
3586 |
++ get_page(newpage); |
3587 |
++ |
3588 |
++ if (!(buf->flags & PIPE_BUF_FLAG_LRU)) |
3589 |
++ lru_cache_add(newpage); |
3590 |
++ |
3591 |
+ /* |
3592 |
+ * Release while we have extra ref on stolen page. Otherwise |
3593 |
+ * anon_pipe_buf_release() might think the page can be reused. |
3594 |
+ */ |
3595 |
+ pipe_buf_release(cs->pipe, buf); |
3596 |
+ |
3597 |
+- get_page(newpage); |
3598 |
+- |
3599 |
+- if (!(buf->flags & PIPE_BUF_FLAG_LRU)) |
3600 |
+- lru_cache_add(newpage); |
3601 |
+- |
3602 |
+ err = 0; |
3603 |
+ spin_lock(&cs->req->waitq.lock); |
3604 |
+ if (test_bit(FR_ABORTED, &cs->req->flags)) |
3605 |
+diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c |
3606 |
+index c078f88552695..f2248d9d4db51 100644 |
3607 |
+--- a/fs/nfs/nfs42xdr.c |
3608 |
++++ b/fs/nfs/nfs42xdr.c |
3609 |
+@@ -1396,8 +1396,7 @@ static int nfs4_xdr_dec_clone(struct rpc_rqst *rqstp, |
3610 |
+ status = decode_clone(xdr); |
3611 |
+ if (status) |
3612 |
+ goto out; |
3613 |
+- status = decode_getfattr(xdr, res->dst_fattr, res->server); |
3614 |
+- |
3615 |
++ decode_getfattr(xdr, res->dst_fattr, res->server); |
3616 |
+ out: |
3617 |
+ res->rpc_status = status; |
3618 |
+ return status; |
3619 |
+diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c |
3620 |
+index c3a345c28a933..0e4278d4a7691 100644 |
3621 |
+--- a/fs/proc/vmcore.c |
3622 |
++++ b/fs/proc/vmcore.c |
3623 |
+@@ -124,9 +124,13 @@ ssize_t read_from_oldmem(char *buf, size_t count, |
3624 |
+ nr_bytes = count; |
3625 |
+ |
3626 |
+ /* If pfn is not ram, return zeros for sparse dump files */ |
3627 |
+- if (pfn_is_ram(pfn) == 0) |
3628 |
+- memset(buf, 0, nr_bytes); |
3629 |
+- else { |
3630 |
++ if (pfn_is_ram(pfn) == 0) { |
3631 |
++ tmp = 0; |
3632 |
++ if (!userbuf) |
3633 |
++ memset(buf, 0, nr_bytes); |
3634 |
++ else if (clear_user(buf, nr_bytes)) |
3635 |
++ tmp = -EFAULT; |
3636 |
++ } else { |
3637 |
+ if (encrypted) |
3638 |
+ tmp = copy_oldmem_page_encrypted(pfn, buf, |
3639 |
+ nr_bytes, |
3640 |
+@@ -135,10 +139,10 @@ ssize_t read_from_oldmem(char *buf, size_t count, |
3641 |
+ else |
3642 |
+ tmp = copy_oldmem_page(pfn, buf, nr_bytes, |
3643 |
+ offset, userbuf); |
3644 |
+- |
3645 |
+- if (tmp < 0) |
3646 |
+- return tmp; |
3647 |
+ } |
3648 |
++ if (tmp < 0) |
3649 |
++ return tmp; |
3650 |
++ |
3651 |
+ *ppos += nr_bytes; |
3652 |
+ count -= nr_bytes; |
3653 |
+ buf += nr_bytes; |
3654 |
+diff --git a/include/linux/bpf.h b/include/linux/bpf.h |
3655 |
+index 1f62a4eec283c..474a0d852614f 100644 |
3656 |
+--- a/include/linux/bpf.h |
3657 |
++++ b/include/linux/bpf.h |
3658 |
+@@ -173,7 +173,7 @@ struct bpf_map { |
3659 |
+ atomic64_t usercnt; |
3660 |
+ struct work_struct work; |
3661 |
+ struct mutex freeze_mutex; |
3662 |
+- u64 writecnt; /* writable mmap cnt; protected by freeze_mutex */ |
3663 |
++ atomic64_t writecnt; |
3664 |
+ }; |
3665 |
+ |
3666 |
+ static inline bool map_value_has_spin_lock(const struct bpf_map *map) |
3667 |
+@@ -1252,6 +1252,7 @@ void bpf_map_charge_move(struct bpf_map_memory *dst, |
3668 |
+ void *bpf_map_area_alloc(u64 size, int numa_node); |
3669 |
+ void *bpf_map_area_mmapable_alloc(u64 size, int numa_node); |
3670 |
+ void bpf_map_area_free(void *base); |
3671 |
++bool bpf_map_write_active(const struct bpf_map *map); |
3672 |
+ void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr); |
3673 |
+ int generic_map_lookup_batch(struct bpf_map *map, |
3674 |
+ const union bpf_attr *attr, |
3675 |
+diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h |
3676 |
+index a06a78c67f19f..08325105131a2 100644 |
3677 |
+--- a/include/linux/ipc_namespace.h |
3678 |
++++ b/include/linux/ipc_namespace.h |
3679 |
+@@ -132,6 +132,16 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) |
3680 |
+ return ns; |
3681 |
+ } |
3682 |
+ |
3683 |
++static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) |
3684 |
++{ |
3685 |
++ if (ns) { |
3686 |
++ if (refcount_inc_not_zero(&ns->count)) |
3687 |
++ return ns; |
3688 |
++ } |
3689 |
++ |
3690 |
++ return NULL; |
3691 |
++} |
3692 |
++ |
3693 |
+ extern void put_ipc_ns(struct ipc_namespace *ns); |
3694 |
+ #else |
3695 |
+ static inline struct ipc_namespace *copy_ipcs(unsigned long flags, |
3696 |
+@@ -148,6 +158,11 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) |
3697 |
+ return ns; |
3698 |
+ } |
3699 |
+ |
3700 |
++static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) |
3701 |
++{ |
3702 |
++ return ns; |
3703 |
++} |
3704 |
++ |
3705 |
+ static inline void put_ipc_ns(struct ipc_namespace *ns) |
3706 |
+ { |
3707 |
+ } |
3708 |
+diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h |
3709 |
+index 24cacb1ca654d..fa75f325dad53 100644 |
3710 |
+--- a/include/linux/sched/task.h |
3711 |
++++ b/include/linux/sched/task.h |
3712 |
+@@ -158,7 +158,7 @@ static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t) |
3713 |
+ * Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring |
3714 |
+ * subscriptions and synchronises with wait4(). Also used in procfs. Also |
3715 |
+ * pins the final release of task.io_context. Also protects ->cpuset and |
3716 |
+- * ->cgroup.subsys[]. And ->vfork_done. |
3717 |
++ * ->cgroup.subsys[]. And ->vfork_done. And ->sysvshm.shm_clist. |
3718 |
+ * |
3719 |
+ * Nests both inside and outside of read_lock(&tasklist_lock). |
3720 |
+ * It must not be nested with write_lock_irq(&tasklist_lock), |
3721 |
+diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h |
3722 |
+index ac5ff3c3afb14..88bc66b8d02b0 100644 |
3723 |
+--- a/include/net/ip6_fib.h |
3724 |
++++ b/include/net/ip6_fib.h |
3725 |
+@@ -491,6 +491,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh, |
3726 |
+ struct fib6_config *cfg, gfp_t gfp_flags, |
3727 |
+ struct netlink_ext_ack *extack); |
3728 |
+ void fib6_nh_release(struct fib6_nh *fib6_nh); |
3729 |
++void fib6_nh_release_dsts(struct fib6_nh *fib6_nh); |
3730 |
+ |
3731 |
+ int call_fib6_entry_notifiers(struct net *net, |
3732 |
+ enum fib_event_type event_type, |
3733 |
+diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h |
3734 |
+index 8fce558b5fea3..14a43111ffc6a 100644 |
3735 |
+--- a/include/net/ipv6_stubs.h |
3736 |
++++ b/include/net/ipv6_stubs.h |
3737 |
+@@ -47,6 +47,7 @@ struct ipv6_stub { |
3738 |
+ struct fib6_config *cfg, gfp_t gfp_flags, |
3739 |
+ struct netlink_ext_ack *extack); |
3740 |
+ void (*fib6_nh_release)(struct fib6_nh *fib6_nh); |
3741 |
++ void (*fib6_nh_release_dsts)(struct fib6_nh *fib6_nh); |
3742 |
+ void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt); |
3743 |
+ int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify); |
3744 |
+ void (*fib6_rt_update)(struct net *net, struct fib6_info *rt, |
3745 |
+diff --git a/include/net/nl802154.h b/include/net/nl802154.h |
3746 |
+index ddcee128f5d9a..145acb8f25095 100644 |
3747 |
+--- a/include/net/nl802154.h |
3748 |
++++ b/include/net/nl802154.h |
3749 |
+@@ -19,6 +19,8 @@ |
3750 |
+ * |
3751 |
+ */ |
3752 |
+ |
3753 |
++#include <linux/types.h> |
3754 |
++ |
3755 |
+ #define NL802154_GENL_NAME "nl802154" |
3756 |
+ |
3757 |
+ enum nl802154_commands { |
3758 |
+@@ -150,10 +152,9 @@ enum nl802154_attrs { |
3759 |
+ }; |
3760 |
+ |
3761 |
+ enum nl802154_iftype { |
3762 |
+- /* for backwards compatibility TODO */ |
3763 |
+- NL802154_IFTYPE_UNSPEC = -1, |
3764 |
++ NL802154_IFTYPE_UNSPEC = (~(__u32)0), |
3765 |
+ |
3766 |
+- NL802154_IFTYPE_NODE, |
3767 |
++ NL802154_IFTYPE_NODE = 0, |
3768 |
+ NL802154_IFTYPE_MONITOR, |
3769 |
+ NL802154_IFTYPE_COORD, |
3770 |
+ |
3771 |
+diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h |
3772 |
+index 2af7a1cd66589..b39cdbc522ec7 100644 |
3773 |
+--- a/include/xen/interface/io/ring.h |
3774 |
++++ b/include/xen/interface/io/ring.h |
3775 |
+@@ -1,21 +1,53 @@ |
3776 |
+-/* SPDX-License-Identifier: GPL-2.0 */ |
3777 |
+ /****************************************************************************** |
3778 |
+ * ring.h |
3779 |
+ * |
3780 |
+ * Shared producer-consumer ring macros. |
3781 |
+ * |
3782 |
++ * Permission is hereby granted, free of charge, to any person obtaining a copy |
3783 |
++ * of this software and associated documentation files (the "Software"), to |
3784 |
++ * deal in the Software without restriction, including without limitation the |
3785 |
++ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
3786 |
++ * sell copies of the Software, and to permit persons to whom the Software is |
3787 |
++ * furnished to do so, subject to the following conditions: |
3788 |
++ * |
3789 |
++ * The above copyright notice and this permission notice shall be included in |
3790 |
++ * all copies or substantial portions of the Software. |
3791 |
++ * |
3792 |
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
3793 |
++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
3794 |
++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
3795 |
++ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
3796 |
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
3797 |
++ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
3798 |
++ * DEALINGS IN THE SOFTWARE. |
3799 |
++ * |
3800 |
+ * Tim Deegan and Andrew Warfield November 2004. |
3801 |
+ */ |
3802 |
+ |
3803 |
+ #ifndef __XEN_PUBLIC_IO_RING_H__ |
3804 |
+ #define __XEN_PUBLIC_IO_RING_H__ |
3805 |
+ |
3806 |
++/* |
3807 |
++ * When #include'ing this header, you need to provide the following |
3808 |
++ * declaration upfront: |
3809 |
++ * - standard integers types (uint8_t, uint16_t, etc) |
3810 |
++ * They are provided by stdint.h of the standard headers. |
3811 |
++ * |
3812 |
++ * In addition, if you intend to use the FLEX macros, you also need to |
3813 |
++ * provide the following, before invoking the FLEX macros: |
3814 |
++ * - size_t |
3815 |
++ * - memcpy |
3816 |
++ * - grant_ref_t |
3817 |
++ * These declarations are provided by string.h of the standard headers, |
3818 |
++ * and grant_table.h from the Xen public headers. |
3819 |
++ */ |
3820 |
++ |
3821 |
+ #include <xen/interface/grant_table.h> |
3822 |
+ |
3823 |
+ typedef unsigned int RING_IDX; |
3824 |
+ |
3825 |
+ /* Round a 32-bit unsigned constant down to the nearest power of two. */ |
3826 |
+-#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) |
3827 |
++#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) |
3828 |
+ #define __RD4(_x) (((_x) & 0x0000000c) ? __RD2((_x)>>2)<<2 : __RD2(_x)) |
3829 |
+ #define __RD8(_x) (((_x) & 0x000000f0) ? __RD4((_x)>>4)<<4 : __RD4(_x)) |
3830 |
+ #define __RD16(_x) (((_x) & 0x0000ff00) ? __RD8((_x)>>8)<<8 : __RD8(_x)) |
3831 |
+@@ -27,82 +59,79 @@ typedef unsigned int RING_IDX; |
3832 |
+ * A ring contains as many entries as will fit, rounded down to the nearest |
3833 |
+ * power of two (so we can mask with (size-1) to loop around). |
3834 |
+ */ |
3835 |
+-#define __CONST_RING_SIZE(_s, _sz) \ |
3836 |
+- (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ |
3837 |
+- sizeof(((struct _s##_sring *)0)->ring[0]))) |
3838 |
+- |
3839 |
++#define __CONST_RING_SIZE(_s, _sz) \ |
3840 |
++ (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ |
3841 |
++ sizeof(((struct _s##_sring *)0)->ring[0]))) |
3842 |
+ /* |
3843 |
+ * The same for passing in an actual pointer instead of a name tag. |
3844 |
+ */ |
3845 |
+-#define __RING_SIZE(_s, _sz) \ |
3846 |
+- (__RD32(((_sz) - (long)&(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) |
3847 |
++#define __RING_SIZE(_s, _sz) \ |
3848 |
++ (__RD32(((_sz) - (long)(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) |
3849 |
+ |
3850 |
+ /* |
3851 |
+ * Macros to make the correct C datatypes for a new kind of ring. |
3852 |
+ * |
3853 |
+ * To make a new ring datatype, you need to have two message structures, |
3854 |
+- * let's say struct request, and struct response already defined. |
3855 |
++ * let's say request_t, and response_t already defined. |
3856 |
+ * |
3857 |
+ * In a header where you want the ring datatype declared, you then do: |
3858 |
+ * |
3859 |
+- * DEFINE_RING_TYPES(mytag, struct request, struct response); |
3860 |
++ * DEFINE_RING_TYPES(mytag, request_t, response_t); |
3861 |
+ * |
3862 |
+ * These expand out to give you a set of types, as you can see below. |
3863 |
+ * The most important of these are: |
3864 |
+ * |
3865 |
+- * struct mytag_sring - The shared ring. |
3866 |
+- * struct mytag_front_ring - The 'front' half of the ring. |
3867 |
+- * struct mytag_back_ring - The 'back' half of the ring. |
3868 |
++ * mytag_sring_t - The shared ring. |
3869 |
++ * mytag_front_ring_t - The 'front' half of the ring. |
3870 |
++ * mytag_back_ring_t - The 'back' half of the ring. |
3871 |
+ * |
3872 |
+ * To initialize a ring in your code you need to know the location and size |
3873 |
+ * of the shared memory area (PAGE_SIZE, for instance). To initialise |
3874 |
+ * the front half: |
3875 |
+ * |
3876 |
+- * struct mytag_front_ring front_ring; |
3877 |
+- * SHARED_RING_INIT((struct mytag_sring *)shared_page); |
3878 |
+- * FRONT_RING_INIT(&front_ring, (struct mytag_sring *)shared_page, |
3879 |
+- * PAGE_SIZE); |
3880 |
++ * mytag_front_ring_t front_ring; |
3881 |
++ * SHARED_RING_INIT((mytag_sring_t *)shared_page); |
3882 |
++ * FRONT_RING_INIT(&front_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); |
3883 |
+ * |
3884 |
+ * Initializing the back follows similarly (note that only the front |
3885 |
+ * initializes the shared ring): |
3886 |
+ * |
3887 |
+- * struct mytag_back_ring back_ring; |
3888 |
+- * BACK_RING_INIT(&back_ring, (struct mytag_sring *)shared_page, |
3889 |
+- * PAGE_SIZE); |
3890 |
++ * mytag_back_ring_t back_ring; |
3891 |
++ * BACK_RING_INIT(&back_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); |
3892 |
+ */ |
3893 |
+ |
3894 |
+-#define DEFINE_RING_TYPES(__name, __req_t, __rsp_t) \ |
3895 |
+- \ |
3896 |
+-/* Shared ring entry */ \ |
3897 |
+-union __name##_sring_entry { \ |
3898 |
+- __req_t req; \ |
3899 |
+- __rsp_t rsp; \ |
3900 |
+-}; \ |
3901 |
+- \ |
3902 |
+-/* Shared ring page */ \ |
3903 |
+-struct __name##_sring { \ |
3904 |
+- RING_IDX req_prod, req_event; \ |
3905 |
+- RING_IDX rsp_prod, rsp_event; \ |
3906 |
+- uint8_t pad[48]; \ |
3907 |
+- union __name##_sring_entry ring[1]; /* variable-length */ \ |
3908 |
+-}; \ |
3909 |
+- \ |
3910 |
+-/* "Front" end's private variables */ \ |
3911 |
+-struct __name##_front_ring { \ |
3912 |
+- RING_IDX req_prod_pvt; \ |
3913 |
+- RING_IDX rsp_cons; \ |
3914 |
+- unsigned int nr_ents; \ |
3915 |
+- struct __name##_sring *sring; \ |
3916 |
+-}; \ |
3917 |
+- \ |
3918 |
+-/* "Back" end's private variables */ \ |
3919 |
+-struct __name##_back_ring { \ |
3920 |
+- RING_IDX rsp_prod_pvt; \ |
3921 |
+- RING_IDX req_cons; \ |
3922 |
+- unsigned int nr_ents; \ |
3923 |
+- struct __name##_sring *sring; \ |
3924 |
+-}; |
3925 |
+- |
3926 |
++#define DEFINE_RING_TYPES(__name, __req_t, __rsp_t) \ |
3927 |
++ \ |
3928 |
++/* Shared ring entry */ \ |
3929 |
++union __name##_sring_entry { \ |
3930 |
++ __req_t req; \ |
3931 |
++ __rsp_t rsp; \ |
3932 |
++}; \ |
3933 |
++ \ |
3934 |
++/* Shared ring page */ \ |
3935 |
++struct __name##_sring { \ |
3936 |
++ RING_IDX req_prod, req_event; \ |
3937 |
++ RING_IDX rsp_prod, rsp_event; \ |
3938 |
++ uint8_t __pad[48]; \ |
3939 |
++ union __name##_sring_entry ring[1]; /* variable-length */ \ |
3940 |
++}; \ |
3941 |
++ \ |
3942 |
++/* "Front" end's private variables */ \ |
3943 |
++struct __name##_front_ring { \ |
3944 |
++ RING_IDX req_prod_pvt; \ |
3945 |
++ RING_IDX rsp_cons; \ |
3946 |
++ unsigned int nr_ents; \ |
3947 |
++ struct __name##_sring *sring; \ |
3948 |
++}; \ |
3949 |
++ \ |
3950 |
++/* "Back" end's private variables */ \ |
3951 |
++struct __name##_back_ring { \ |
3952 |
++ RING_IDX rsp_prod_pvt; \ |
3953 |
++ RING_IDX req_cons; \ |
3954 |
++ unsigned int nr_ents; \ |
3955 |
++ struct __name##_sring *sring; \ |
3956 |
++}; \ |
3957 |
++ \ |
3958 |
+ /* |
3959 |
+ * Macros for manipulating rings. |
3960 |
+ * |
3961 |
+@@ -119,94 +148,99 @@ struct __name##_back_ring { \ |
3962 |
+ */ |
3963 |
+ |
3964 |
+ /* Initialising empty rings */ |
3965 |
+-#define SHARED_RING_INIT(_s) do { \ |
3966 |
+- (_s)->req_prod = (_s)->rsp_prod = 0; \ |
3967 |
+- (_s)->req_event = (_s)->rsp_event = 1; \ |
3968 |
+- memset((_s)->pad, 0, sizeof((_s)->pad)); \ |
3969 |
++#define SHARED_RING_INIT(_s) do { \ |
3970 |
++ (_s)->req_prod = (_s)->rsp_prod = 0; \ |
3971 |
++ (_s)->req_event = (_s)->rsp_event = 1; \ |
3972 |
++ (void)memset((_s)->__pad, 0, sizeof((_s)->__pad)); \ |
3973 |
+ } while(0) |
3974 |
+ |
3975 |
+-#define FRONT_RING_ATTACH(_r, _s, _i, __size) do { \ |
3976 |
+- (_r)->req_prod_pvt = (_i); \ |
3977 |
+- (_r)->rsp_cons = (_i); \ |
3978 |
+- (_r)->nr_ents = __RING_SIZE(_s, __size); \ |
3979 |
+- (_r)->sring = (_s); \ |
3980 |
++#define FRONT_RING_ATTACH(_r, _s, _i, __size) do { \ |
3981 |
++ (_r)->req_prod_pvt = (_i); \ |
3982 |
++ (_r)->rsp_cons = (_i); \ |
3983 |
++ (_r)->nr_ents = __RING_SIZE(_s, __size); \ |
3984 |
++ (_r)->sring = (_s); \ |
3985 |
+ } while (0) |
3986 |
+ |
3987 |
+ #define FRONT_RING_INIT(_r, _s, __size) FRONT_RING_ATTACH(_r, _s, 0, __size) |
3988 |
+ |
3989 |
+-#define BACK_RING_ATTACH(_r, _s, _i, __size) do { \ |
3990 |
+- (_r)->rsp_prod_pvt = (_i); \ |
3991 |
+- (_r)->req_cons = (_i); \ |
3992 |
+- (_r)->nr_ents = __RING_SIZE(_s, __size); \ |
3993 |
+- (_r)->sring = (_s); \ |
3994 |
++#define BACK_RING_ATTACH(_r, _s, _i, __size) do { \ |
3995 |
++ (_r)->rsp_prod_pvt = (_i); \ |
3996 |
++ (_r)->req_cons = (_i); \ |
3997 |
++ (_r)->nr_ents = __RING_SIZE(_s, __size); \ |
3998 |
++ (_r)->sring = (_s); \ |
3999 |
+ } while (0) |
4000 |
+ |
4001 |
+ #define BACK_RING_INIT(_r, _s, __size) BACK_RING_ATTACH(_r, _s, 0, __size) |
4002 |
+ |
4003 |
+ /* How big is this ring? */ |
4004 |
+-#define RING_SIZE(_r) \ |
4005 |
++#define RING_SIZE(_r) \ |
4006 |
+ ((_r)->nr_ents) |
4007 |
+ |
4008 |
+ /* Number of free requests (for use on front side only). */ |
4009 |
+-#define RING_FREE_REQUESTS(_r) \ |
4010 |
++#define RING_FREE_REQUESTS(_r) \ |
4011 |
+ (RING_SIZE(_r) - ((_r)->req_prod_pvt - (_r)->rsp_cons)) |
4012 |
+ |
4013 |
+ /* Test if there is an empty slot available on the front ring. |
4014 |
+ * (This is only meaningful from the front. ) |
4015 |
+ */ |
4016 |
+-#define RING_FULL(_r) \ |
4017 |
++#define RING_FULL(_r) \ |
4018 |
+ (RING_FREE_REQUESTS(_r) == 0) |
4019 |
+ |
4020 |
+ /* Test if there are outstanding messages to be processed on a ring. */ |
4021 |
+-#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ |
4022 |
++#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ |
4023 |
+ ((_r)->sring->rsp_prod - (_r)->rsp_cons) |
4024 |
+ |
4025 |
+-#define RING_HAS_UNCONSUMED_REQUESTS(_r) \ |
4026 |
+- ({ \ |
4027 |
+- unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ |
4028 |
+- unsigned int rsp = RING_SIZE(_r) - \ |
4029 |
+- ((_r)->req_cons - (_r)->rsp_prod_pvt); \ |
4030 |
+- req < rsp ? req : rsp; \ |
4031 |
+- }) |
4032 |
++#define RING_HAS_UNCONSUMED_REQUESTS(_r) ({ \ |
4033 |
++ unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ |
4034 |
++ unsigned int rsp = RING_SIZE(_r) - \ |
4035 |
++ ((_r)->req_cons - (_r)->rsp_prod_pvt); \ |
4036 |
++ req < rsp ? req : rsp; \ |
4037 |
++}) |
4038 |
+ |
4039 |
+ /* Direct access to individual ring elements, by index. */ |
4040 |
+-#define RING_GET_REQUEST(_r, _idx) \ |
4041 |
++#define RING_GET_REQUEST(_r, _idx) \ |
4042 |
+ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) |
4043 |
+ |
4044 |
++#define RING_GET_RESPONSE(_r, _idx) \ |
4045 |
++ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) |
4046 |
++ |
4047 |
+ /* |
4048 |
+- * Get a local copy of a request. |
4049 |
++ * Get a local copy of a request/response. |
4050 |
+ * |
4051 |
+- * Use this in preference to RING_GET_REQUEST() so all processing is |
4052 |
++ * Use this in preference to RING_GET_{REQUEST,RESPONSE}() so all processing is |
4053 |
+ * done on a local copy that cannot be modified by the other end. |
4054 |
+ * |
4055 |
+ * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this |
4056 |
+- * to be ineffective where _req is a struct which consists of only bitfields. |
4057 |
++ * to be ineffective where dest is a struct which consists of only bitfields. |
4058 |
+ */ |
4059 |
+-#define RING_COPY_REQUEST(_r, _idx, _req) do { \ |
4060 |
+- /* Use volatile to force the copy into _req. */ \ |
4061 |
+- *(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx); \ |
4062 |
++#define RING_COPY_(type, r, idx, dest) do { \ |
4063 |
++ /* Use volatile to force the copy into dest. */ \ |
4064 |
++ *(dest) = *(volatile typeof(dest))RING_GET_##type(r, idx); \ |
4065 |
+ } while (0) |
4066 |
+ |
4067 |
+-#define RING_GET_RESPONSE(_r, _idx) \ |
4068 |
+- (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) |
4069 |
++#define RING_COPY_REQUEST(r, idx, req) RING_COPY_(REQUEST, r, idx, req) |
4070 |
++#define RING_COPY_RESPONSE(r, idx, rsp) RING_COPY_(RESPONSE, r, idx, rsp) |
4071 |
+ |
4072 |
+ /* Loop termination condition: Would the specified index overflow the ring? */ |
4073 |
+-#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \ |
4074 |
++#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \ |
4075 |
+ (((_cons) - (_r)->rsp_prod_pvt) >= RING_SIZE(_r)) |
4076 |
+ |
4077 |
+ /* Ill-behaved frontend determination: Can there be this many requests? */ |
4078 |
+-#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \ |
4079 |
++#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \ |
4080 |
+ (((_prod) - (_r)->rsp_prod_pvt) > RING_SIZE(_r)) |
4081 |
+ |
4082 |
++/* Ill-behaved backend determination: Can there be this many responses? */ |
4083 |
++#define RING_RESPONSE_PROD_OVERFLOW(_r, _prod) \ |
4084 |
++ (((_prod) - (_r)->rsp_cons) > RING_SIZE(_r)) |
4085 |
+ |
4086 |
+-#define RING_PUSH_REQUESTS(_r) do { \ |
4087 |
+- virt_wmb(); /* back sees requests /before/ updated producer index */ \ |
4088 |
+- (_r)->sring->req_prod = (_r)->req_prod_pvt; \ |
4089 |
++#define RING_PUSH_REQUESTS(_r) do { \ |
4090 |
++ virt_wmb(); /* back sees requests /before/ updated producer index */\ |
4091 |
++ (_r)->sring->req_prod = (_r)->req_prod_pvt; \ |
4092 |
+ } while (0) |
4093 |
+ |
4094 |
+-#define RING_PUSH_RESPONSES(_r) do { \ |
4095 |
+- virt_wmb(); /* front sees responses /before/ updated producer index */ \ |
4096 |
+- (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \ |
4097 |
++#define RING_PUSH_RESPONSES(_r) do { \ |
4098 |
++ virt_wmb(); /* front sees resps /before/ updated producer index */ \ |
4099 |
++ (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \ |
4100 |
+ } while (0) |
4101 |
+ |
4102 |
+ /* |
4103 |
+@@ -239,40 +273,40 @@ struct __name##_back_ring { \ |
4104 |
+ * field appropriately. |
4105 |
+ */ |
4106 |
+ |
4107 |
+-#define RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(_r, _notify) do { \ |
4108 |
+- RING_IDX __old = (_r)->sring->req_prod; \ |
4109 |
+- RING_IDX __new = (_r)->req_prod_pvt; \ |
4110 |
+- virt_wmb(); /* back sees requests /before/ updated producer index */ \ |
4111 |
+- (_r)->sring->req_prod = __new; \ |
4112 |
+- virt_mb(); /* back sees new requests /before/ we check req_event */ \ |
4113 |
+- (_notify) = ((RING_IDX)(__new - (_r)->sring->req_event) < \ |
4114 |
+- (RING_IDX)(__new - __old)); \ |
4115 |
++#define RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(_r, _notify) do { \ |
4116 |
++ RING_IDX __old = (_r)->sring->req_prod; \ |
4117 |
++ RING_IDX __new = (_r)->req_prod_pvt; \ |
4118 |
++ virt_wmb(); /* back sees requests /before/ updated producer index */\ |
4119 |
++ (_r)->sring->req_prod = __new; \ |
4120 |
++ virt_mb(); /* back sees new requests /before/ we check req_event */ \ |
4121 |
++ (_notify) = ((RING_IDX)(__new - (_r)->sring->req_event) < \ |
4122 |
++ (RING_IDX)(__new - __old)); \ |
4123 |
+ } while (0) |
4124 |
+ |
4125 |
+-#define RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(_r, _notify) do { \ |
4126 |
+- RING_IDX __old = (_r)->sring->rsp_prod; \ |
4127 |
+- RING_IDX __new = (_r)->rsp_prod_pvt; \ |
4128 |
+- virt_wmb(); /* front sees responses /before/ updated producer index */ \ |
4129 |
+- (_r)->sring->rsp_prod = __new; \ |
4130 |
+- virt_mb(); /* front sees new responses /before/ we check rsp_event */ \ |
4131 |
+- (_notify) = ((RING_IDX)(__new - (_r)->sring->rsp_event) < \ |
4132 |
+- (RING_IDX)(__new - __old)); \ |
4133 |
++#define RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(_r, _notify) do { \ |
4134 |
++ RING_IDX __old = (_r)->sring->rsp_prod; \ |
4135 |
++ RING_IDX __new = (_r)->rsp_prod_pvt; \ |
4136 |
++ virt_wmb(); /* front sees resps /before/ updated producer index */ \ |
4137 |
++ (_r)->sring->rsp_prod = __new; \ |
4138 |
++ virt_mb(); /* front sees new resps /before/ we check rsp_event */ \ |
4139 |
++ (_notify) = ((RING_IDX)(__new - (_r)->sring->rsp_event) < \ |
4140 |
++ (RING_IDX)(__new - __old)); \ |
4141 |
+ } while (0) |
4142 |
+ |
4143 |
+-#define RING_FINAL_CHECK_FOR_REQUESTS(_r, _work_to_do) do { \ |
4144 |
+- (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ |
4145 |
+- if (_work_to_do) break; \ |
4146 |
+- (_r)->sring->req_event = (_r)->req_cons + 1; \ |
4147 |
+- virt_mb(); \ |
4148 |
+- (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ |
4149 |
++#define RING_FINAL_CHECK_FOR_REQUESTS(_r, _work_to_do) do { \ |
4150 |
++ (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ |
4151 |
++ if (_work_to_do) break; \ |
4152 |
++ (_r)->sring->req_event = (_r)->req_cons + 1; \ |
4153 |
++ virt_mb(); \ |
4154 |
++ (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ |
4155 |
+ } while (0) |
4156 |
+ |
4157 |
+-#define RING_FINAL_CHECK_FOR_RESPONSES(_r, _work_to_do) do { \ |
4158 |
+- (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ |
4159 |
+- if (_work_to_do) break; \ |
4160 |
+- (_r)->sring->rsp_event = (_r)->rsp_cons + 1; \ |
4161 |
+- virt_mb(); \ |
4162 |
+- (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ |
4163 |
++#define RING_FINAL_CHECK_FOR_RESPONSES(_r, _work_to_do) do { \ |
4164 |
++ (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ |
4165 |
++ if (_work_to_do) break; \ |
4166 |
++ (_r)->sring->rsp_event = (_r)->rsp_cons + 1; \ |
4167 |
++ virt_mb(); \ |
4168 |
++ (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ |
4169 |
+ } while (0) |
4170 |
+ |
4171 |
+ |
4172 |
+diff --git a/ipc/shm.c b/ipc/shm.c |
4173 |
+index e25c7c6106bcf..471ac3e7498d5 100644 |
4174 |
+--- a/ipc/shm.c |
4175 |
++++ b/ipc/shm.c |
4176 |
+@@ -62,9 +62,18 @@ struct shmid_kernel /* private to the kernel */ |
4177 |
+ struct pid *shm_lprid; |
4178 |
+ struct user_struct *mlock_user; |
4179 |
+ |
4180 |
+- /* The task created the shm object. NULL if the task is dead. */ |
4181 |
++ /* |
4182 |
++ * The task created the shm object, for |
4183 |
++ * task_lock(shp->shm_creator) |
4184 |
++ */ |
4185 |
+ struct task_struct *shm_creator; |
4186 |
+- struct list_head shm_clist; /* list by creator */ |
4187 |
++ |
4188 |
++ /* |
4189 |
++ * List by creator. task_lock(->shm_creator) required for read/write. |
4190 |
++ * If list_empty(), then the creator is dead already. |
4191 |
++ */ |
4192 |
++ struct list_head shm_clist; |
4193 |
++ struct ipc_namespace *ns; |
4194 |
+ } __randomize_layout; |
4195 |
+ |
4196 |
+ /* shm_mode upper byte flags */ |
4197 |
+@@ -115,6 +124,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) |
4198 |
+ struct shmid_kernel *shp; |
4199 |
+ |
4200 |
+ shp = container_of(ipcp, struct shmid_kernel, shm_perm); |
4201 |
++ WARN_ON(ns != shp->ns); |
4202 |
+ |
4203 |
+ if (shp->shm_nattch) { |
4204 |
+ shp->shm_perm.mode |= SHM_DEST; |
4205 |
+@@ -225,10 +235,43 @@ static void shm_rcu_free(struct rcu_head *head) |
4206 |
+ kvfree(shp); |
4207 |
+ } |
4208 |
+ |
4209 |
+-static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s) |
4210 |
++/* |
4211 |
++ * It has to be called with shp locked. |
4212 |
++ * It must be called before ipc_rmid() |
4213 |
++ */ |
4214 |
++static inline void shm_clist_rm(struct shmid_kernel *shp) |
4215 |
+ { |
4216 |
+- list_del(&s->shm_clist); |
4217 |
+- ipc_rmid(&shm_ids(ns), &s->shm_perm); |
4218 |
++ struct task_struct *creator; |
4219 |
++ |
4220 |
++ /* ensure that shm_creator does not disappear */ |
4221 |
++ rcu_read_lock(); |
4222 |
++ |
4223 |
++ /* |
4224 |
++ * A concurrent exit_shm may do a list_del_init() as well. |
4225 |
++ * Just do nothing if exit_shm already did the work |
4226 |
++ */ |
4227 |
++ if (!list_empty(&shp->shm_clist)) { |
4228 |
++ /* |
4229 |
++ * shp->shm_creator is guaranteed to be valid *only* |
4230 |
++ * if shp->shm_clist is not empty. |
4231 |
++ */ |
4232 |
++ creator = shp->shm_creator; |
4233 |
++ |
4234 |
++ task_lock(creator); |
4235 |
++ /* |
4236 |
++ * list_del_init() is a nop if the entry was already removed |
4237 |
++ * from the list. |
4238 |
++ */ |
4239 |
++ list_del_init(&shp->shm_clist); |
4240 |
++ task_unlock(creator); |
4241 |
++ } |
4242 |
++ rcu_read_unlock(); |
4243 |
++} |
4244 |
++ |
4245 |
++static inline void shm_rmid(struct shmid_kernel *s) |
4246 |
++{ |
4247 |
++ shm_clist_rm(s); |
4248 |
++ ipc_rmid(&shm_ids(s->ns), &s->shm_perm); |
4249 |
+ } |
4250 |
+ |
4251 |
+ |
4252 |
+@@ -283,7 +326,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) |
4253 |
+ shm_file = shp->shm_file; |
4254 |
+ shp->shm_file = NULL; |
4255 |
+ ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT; |
4256 |
+- shm_rmid(ns, shp); |
4257 |
++ shm_rmid(shp); |
4258 |
+ shm_unlock(shp); |
4259 |
+ if (!is_file_hugepages(shm_file)) |
4260 |
+ shmem_lock(shm_file, 0, shp->mlock_user); |
4261 |
+@@ -306,10 +349,10 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) |
4262 |
+ * |
4263 |
+ * 2) sysctl kernel.shm_rmid_forced is set to 1. |
4264 |
+ */ |
4265 |
+-static bool shm_may_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) |
4266 |
++static bool shm_may_destroy(struct shmid_kernel *shp) |
4267 |
+ { |
4268 |
+ return (shp->shm_nattch == 0) && |
4269 |
+- (ns->shm_rmid_forced || |
4270 |
++ (shp->ns->shm_rmid_forced || |
4271 |
+ (shp->shm_perm.mode & SHM_DEST)); |
4272 |
+ } |
4273 |
+ |
4274 |
+@@ -340,7 +383,7 @@ static void shm_close(struct vm_area_struct *vma) |
4275 |
+ ipc_update_pid(&shp->shm_lprid, task_tgid(current)); |
4276 |
+ shp->shm_dtim = ktime_get_real_seconds(); |
4277 |
+ shp->shm_nattch--; |
4278 |
+- if (shm_may_destroy(ns, shp)) |
4279 |
++ if (shm_may_destroy(shp)) |
4280 |
+ shm_destroy(ns, shp); |
4281 |
+ else |
4282 |
+ shm_unlock(shp); |
4283 |
+@@ -361,10 +404,10 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data) |
4284 |
+ * |
4285 |
+ * As shp->* are changed under rwsem, it's safe to skip shp locking. |
4286 |
+ */ |
4287 |
+- if (shp->shm_creator != NULL) |
4288 |
++ if (!list_empty(&shp->shm_clist)) |
4289 |
+ return 0; |
4290 |
+ |
4291 |
+- if (shm_may_destroy(ns, shp)) { |
4292 |
++ if (shm_may_destroy(shp)) { |
4293 |
+ shm_lock_by_ptr(shp); |
4294 |
+ shm_destroy(ns, shp); |
4295 |
+ } |
4296 |
+@@ -382,48 +425,97 @@ void shm_destroy_orphaned(struct ipc_namespace *ns) |
4297 |
+ /* Locking assumes this will only be called with task == current */ |
4298 |
+ void exit_shm(struct task_struct *task) |
4299 |
+ { |
4300 |
+- struct ipc_namespace *ns = task->nsproxy->ipc_ns; |
4301 |
+- struct shmid_kernel *shp, *n; |
4302 |
++ for (;;) { |
4303 |
++ struct shmid_kernel *shp; |
4304 |
++ struct ipc_namespace *ns; |
4305 |
+ |
4306 |
+- if (list_empty(&task->sysvshm.shm_clist)) |
4307 |
+- return; |
4308 |
++ task_lock(task); |
4309 |
++ |
4310 |
++ if (list_empty(&task->sysvshm.shm_clist)) { |
4311 |
++ task_unlock(task); |
4312 |
++ break; |
4313 |
++ } |
4314 |
++ |
4315 |
++ shp = list_first_entry(&task->sysvshm.shm_clist, struct shmid_kernel, |
4316 |
++ shm_clist); |
4317 |
+ |
4318 |
+- /* |
4319 |
+- * If kernel.shm_rmid_forced is not set then only keep track of |
4320 |
+- * which shmids are orphaned, so that a later set of the sysctl |
4321 |
+- * can clean them up. |
4322 |
+- */ |
4323 |
+- if (!ns->shm_rmid_forced) { |
4324 |
+- down_read(&shm_ids(ns).rwsem); |
4325 |
+- list_for_each_entry(shp, &task->sysvshm.shm_clist, shm_clist) |
4326 |
+- shp->shm_creator = NULL; |
4327 |
+ /* |
4328 |
+- * Only under read lock but we are only called on current |
4329 |
+- * so no entry on the list will be shared. |
4330 |
++ * 1) Get pointer to the ipc namespace. It is worth to say |
4331 |
++ * that this pointer is guaranteed to be valid because |
4332 |
++ * shp lifetime is always shorter than namespace lifetime |
4333 |
++ * in which shp lives. |
4334 |
++ * We taken task_lock it means that shp won't be freed. |
4335 |
+ */ |
4336 |
+- list_del(&task->sysvshm.shm_clist); |
4337 |
+- up_read(&shm_ids(ns).rwsem); |
4338 |
+- return; |
4339 |
+- } |
4340 |
++ ns = shp->ns; |
4341 |
+ |
4342 |
+- /* |
4343 |
+- * Destroy all already created segments, that were not yet mapped, |
4344 |
+- * and mark any mapped as orphan to cover the sysctl toggling. |
4345 |
+- * Destroy is skipped if shm_may_destroy() returns false. |
4346 |
+- */ |
4347 |
+- down_write(&shm_ids(ns).rwsem); |
4348 |
+- list_for_each_entry_safe(shp, n, &task->sysvshm.shm_clist, shm_clist) { |
4349 |
+- shp->shm_creator = NULL; |
4350 |
++ /* |
4351 |
++ * 2) If kernel.shm_rmid_forced is not set then only keep track of |
4352 |
++ * which shmids are orphaned, so that a later set of the sysctl |
4353 |
++ * can clean them up. |
4354 |
++ */ |
4355 |
++ if (!ns->shm_rmid_forced) |
4356 |
++ goto unlink_continue; |
4357 |
+ |
4358 |
+- if (shm_may_destroy(ns, shp)) { |
4359 |
+- shm_lock_by_ptr(shp); |
4360 |
+- shm_destroy(ns, shp); |
4361 |
++ /* |
4362 |
++ * 3) get a reference to the namespace. |
4363 |
++ * The refcount could be already 0. If it is 0, then |
4364 |
++ * the shm objects will be free by free_ipc_work(). |
4365 |
++ */ |
4366 |
++ ns = get_ipc_ns_not_zero(ns); |
4367 |
++ if (!ns) { |
4368 |
++unlink_continue: |
4369 |
++ list_del_init(&shp->shm_clist); |
4370 |
++ task_unlock(task); |
4371 |
++ continue; |
4372 |
+ } |
4373 |
+- } |
4374 |
+ |
4375 |
+- /* Remove the list head from any segments still attached. */ |
4376 |
+- list_del(&task->sysvshm.shm_clist); |
4377 |
+- up_write(&shm_ids(ns).rwsem); |
4378 |
++ /* |
4379 |
++ * 4) get a reference to shp. |
4380 |
++ * This cannot fail: shm_clist_rm() is called before |
4381 |
++ * ipc_rmid(), thus the refcount cannot be 0. |
4382 |
++ */ |
4383 |
++ WARN_ON(!ipc_rcu_getref(&shp->shm_perm)); |
4384 |
++ |
4385 |
++ /* |
4386 |
++ * 5) unlink the shm segment from the list of segments |
4387 |
++ * created by current. |
4388 |
++ * This must be done last. After unlinking, |
4389 |
++ * only the refcounts obtained above prevent IPC_RMID |
4390 |
++ * from destroying the segment or the namespace. |
4391 |
++ */ |
4392 |
++ list_del_init(&shp->shm_clist); |
4393 |
++ |
4394 |
++ task_unlock(task); |
4395 |
++ |
4396 |
++ /* |
4397 |
++ * 6) we have all references |
4398 |
++ * Thus lock & if needed destroy shp. |
4399 |
++ */ |
4400 |
++ down_write(&shm_ids(ns).rwsem); |
4401 |
++ shm_lock_by_ptr(shp); |
4402 |
++ /* |
4403 |
++ * rcu_read_lock was implicitly taken in shm_lock_by_ptr, it's |
4404 |
++ * safe to call ipc_rcu_putref here |
4405 |
++ */ |
4406 |
++ ipc_rcu_putref(&shp->shm_perm, shm_rcu_free); |
4407 |
++ |
4408 |
++ if (ipc_valid_object(&shp->shm_perm)) { |
4409 |
++ if (shm_may_destroy(shp)) |
4410 |
++ shm_destroy(ns, shp); |
4411 |
++ else |
4412 |
++ shm_unlock(shp); |
4413 |
++ } else { |
4414 |
++ /* |
4415 |
++ * Someone else deleted the shp from namespace |
4416 |
++ * idr/kht while we have waited. |
4417 |
++ * Just unlock and continue. |
4418 |
++ */ |
4419 |
++ shm_unlock(shp); |
4420 |
++ } |
4421 |
++ |
4422 |
++ up_write(&shm_ids(ns).rwsem); |
4423 |
++ put_ipc_ns(ns); /* paired with get_ipc_ns_not_zero */ |
4424 |
++ } |
4425 |
+ } |
4426 |
+ |
4427 |
+ static vm_fault_t shm_fault(struct vm_fault *vmf) |
4428 |
+@@ -680,7 +772,11 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) |
4429 |
+ if (error < 0) |
4430 |
+ goto no_id; |
4431 |
+ |
4432 |
++ shp->ns = ns; |
4433 |
++ |
4434 |
++ task_lock(current); |
4435 |
+ list_add(&shp->shm_clist, ¤t->sysvshm.shm_clist); |
4436 |
++ task_unlock(current); |
4437 |
+ |
4438 |
+ /* |
4439 |
+ * shmid gets reported as "inode#" in /proc/pid/maps. |
4440 |
+@@ -1573,7 +1669,8 @@ out_nattch: |
4441 |
+ down_write(&shm_ids(ns).rwsem); |
4442 |
+ shp = shm_lock(ns, shmid); |
4443 |
+ shp->shm_nattch--; |
4444 |
+- if (shm_may_destroy(ns, shp)) |
4445 |
++ |
4446 |
++ if (shm_may_destroy(shp)) |
4447 |
+ shm_destroy(ns, shp); |
4448 |
+ else |
4449 |
+ shm_unlock(shp); |
4450 |
+diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c |
4451 |
+index 5b6da64da46d7..bb9a9cb1f321e 100644 |
4452 |
+--- a/kernel/bpf/syscall.c |
4453 |
++++ b/kernel/bpf/syscall.c |
4454 |
+@@ -127,6 +127,21 @@ static struct bpf_map *find_and_alloc_map(union bpf_attr *attr) |
4455 |
+ return map; |
4456 |
+ } |
4457 |
+ |
4458 |
++static void bpf_map_write_active_inc(struct bpf_map *map) |
4459 |
++{ |
4460 |
++ atomic64_inc(&map->writecnt); |
4461 |
++} |
4462 |
++ |
4463 |
++static void bpf_map_write_active_dec(struct bpf_map *map) |
4464 |
++{ |
4465 |
++ atomic64_dec(&map->writecnt); |
4466 |
++} |
4467 |
++ |
4468 |
++bool bpf_map_write_active(const struct bpf_map *map) |
4469 |
++{ |
4470 |
++ return atomic64_read(&map->writecnt) != 0; |
4471 |
++} |
4472 |
++ |
4473 |
+ static u32 bpf_map_value_size(struct bpf_map *map) |
4474 |
+ { |
4475 |
+ if (map->map_type == BPF_MAP_TYPE_PERCPU_HASH || |
4476 |
+@@ -588,11 +603,8 @@ static void bpf_map_mmap_open(struct vm_area_struct *vma) |
4477 |
+ { |
4478 |
+ struct bpf_map *map = vma->vm_file->private_data; |
4479 |
+ |
4480 |
+- if (vma->vm_flags & VM_MAYWRITE) { |
4481 |
+- mutex_lock(&map->freeze_mutex); |
4482 |
+- map->writecnt++; |
4483 |
+- mutex_unlock(&map->freeze_mutex); |
4484 |
+- } |
4485 |
++ if (vma->vm_flags & VM_MAYWRITE) |
4486 |
++ bpf_map_write_active_inc(map); |
4487 |
+ } |
4488 |
+ |
4489 |
+ /* called for all unmapped memory region (including initial) */ |
4490 |
+@@ -600,11 +612,8 @@ static void bpf_map_mmap_close(struct vm_area_struct *vma) |
4491 |
+ { |
4492 |
+ struct bpf_map *map = vma->vm_file->private_data; |
4493 |
+ |
4494 |
+- if (vma->vm_flags & VM_MAYWRITE) { |
4495 |
+- mutex_lock(&map->freeze_mutex); |
4496 |
+- map->writecnt--; |
4497 |
+- mutex_unlock(&map->freeze_mutex); |
4498 |
+- } |
4499 |
++ if (vma->vm_flags & VM_MAYWRITE) |
4500 |
++ bpf_map_write_active_dec(map); |
4501 |
+ } |
4502 |
+ |
4503 |
+ static const struct vm_operations_struct bpf_map_default_vmops = { |
4504 |
+@@ -654,7 +663,7 @@ static int bpf_map_mmap(struct file *filp, struct vm_area_struct *vma) |
4505 |
+ goto out; |
4506 |
+ |
4507 |
+ if (vma->vm_flags & VM_MAYWRITE) |
4508 |
+- map->writecnt++; |
4509 |
++ bpf_map_write_active_inc(map); |
4510 |
+ out: |
4511 |
+ mutex_unlock(&map->freeze_mutex); |
4512 |
+ return err; |
4513 |
+@@ -1086,6 +1095,7 @@ static int map_update_elem(union bpf_attr *attr) |
4514 |
+ map = __bpf_map_get(f); |
4515 |
+ if (IS_ERR(map)) |
4516 |
+ return PTR_ERR(map); |
4517 |
++ bpf_map_write_active_inc(map); |
4518 |
+ if (!(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) { |
4519 |
+ err = -EPERM; |
4520 |
+ goto err_put; |
4521 |
+@@ -1127,6 +1137,7 @@ free_value: |
4522 |
+ free_key: |
4523 |
+ kfree(key); |
4524 |
+ err_put: |
4525 |
++ bpf_map_write_active_dec(map); |
4526 |
+ fdput(f); |
4527 |
+ return err; |
4528 |
+ } |
4529 |
+@@ -1149,6 +1160,7 @@ static int map_delete_elem(union bpf_attr *attr) |
4530 |
+ map = __bpf_map_get(f); |
4531 |
+ if (IS_ERR(map)) |
4532 |
+ return PTR_ERR(map); |
4533 |
++ bpf_map_write_active_inc(map); |
4534 |
+ if (!(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) { |
4535 |
+ err = -EPERM; |
4536 |
+ goto err_put; |
4537 |
+@@ -1179,6 +1191,7 @@ static int map_delete_elem(union bpf_attr *attr) |
4538 |
+ out: |
4539 |
+ kfree(key); |
4540 |
+ err_put: |
4541 |
++ bpf_map_write_active_dec(map); |
4542 |
+ fdput(f); |
4543 |
+ return err; |
4544 |
+ } |
4545 |
+@@ -1483,6 +1496,7 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr) |
4546 |
+ map = __bpf_map_get(f); |
4547 |
+ if (IS_ERR(map)) |
4548 |
+ return PTR_ERR(map); |
4549 |
++ bpf_map_write_active_inc(map); |
4550 |
+ if (!(map_get_sys_perms(map, f) & FMODE_CAN_READ) || |
4551 |
+ !(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) { |
4552 |
+ err = -EPERM; |
4553 |
+@@ -1524,6 +1538,7 @@ free_value: |
4554 |
+ free_key: |
4555 |
+ kfree(key); |
4556 |
+ err_put: |
4557 |
++ bpf_map_write_active_dec(map); |
4558 |
+ fdput(f); |
4559 |
+ return err; |
4560 |
+ } |
4561 |
+@@ -1550,8 +1565,7 @@ static int map_freeze(const union bpf_attr *attr) |
4562 |
+ } |
4563 |
+ |
4564 |
+ mutex_lock(&map->freeze_mutex); |
4565 |
+- |
4566 |
+- if (map->writecnt) { |
4567 |
++ if (bpf_map_write_active(map)) { |
4568 |
+ err = -EBUSY; |
4569 |
+ goto err_put; |
4570 |
+ } |
4571 |
+@@ -3976,6 +3990,9 @@ static int bpf_map_do_batch(const union bpf_attr *attr, |
4572 |
+ union bpf_attr __user *uattr, |
4573 |
+ int cmd) |
4574 |
+ { |
4575 |
++ bool has_read = cmd == BPF_MAP_LOOKUP_BATCH || |
4576 |
++ cmd == BPF_MAP_LOOKUP_AND_DELETE_BATCH; |
4577 |
++ bool has_write = cmd != BPF_MAP_LOOKUP_BATCH; |
4578 |
+ struct bpf_map *map; |
4579 |
+ int err, ufd; |
4580 |
+ struct fd f; |
4581 |
+@@ -3988,16 +4005,13 @@ static int bpf_map_do_batch(const union bpf_attr *attr, |
4582 |
+ map = __bpf_map_get(f); |
4583 |
+ if (IS_ERR(map)) |
4584 |
+ return PTR_ERR(map); |
4585 |
+- |
4586 |
+- if ((cmd == BPF_MAP_LOOKUP_BATCH || |
4587 |
+- cmd == BPF_MAP_LOOKUP_AND_DELETE_BATCH) && |
4588 |
+- !(map_get_sys_perms(map, f) & FMODE_CAN_READ)) { |
4589 |
++ if (has_write) |
4590 |
++ bpf_map_write_active_inc(map); |
4591 |
++ if (has_read && !(map_get_sys_perms(map, f) & FMODE_CAN_READ)) { |
4592 |
+ err = -EPERM; |
4593 |
+ goto err_put; |
4594 |
+ } |
4595 |
+- |
4596 |
+- if (cmd != BPF_MAP_LOOKUP_BATCH && |
4597 |
+- !(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) { |
4598 |
++ if (has_write && !(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) { |
4599 |
+ err = -EPERM; |
4600 |
+ goto err_put; |
4601 |
+ } |
4602 |
+@@ -4010,8 +4024,9 @@ static int bpf_map_do_batch(const union bpf_attr *attr, |
4603 |
+ BPF_DO_BATCH(map->ops->map_update_batch); |
4604 |
+ else |
4605 |
+ BPF_DO_BATCH(map->ops->map_delete_batch); |
4606 |
+- |
4607 |
+ err_put: |
4608 |
++ if (has_write) |
4609 |
++ bpf_map_write_active_dec(map); |
4610 |
+ fdput(f); |
4611 |
+ return err; |
4612 |
+ } |
4613 |
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c |
4614 |
+index a15826a9a644f..5a2b28e6816ee 100644 |
4615 |
+--- a/kernel/bpf/verifier.c |
4616 |
++++ b/kernel/bpf/verifier.c |
4617 |
+@@ -3486,7 +3486,22 @@ static void coerce_reg_to_size(struct bpf_reg_state *reg, int size) |
4618 |
+ |
4619 |
+ static bool bpf_map_is_rdonly(const struct bpf_map *map) |
4620 |
+ { |
4621 |
+- return (map->map_flags & BPF_F_RDONLY_PROG) && map->frozen; |
4622 |
++ /* A map is considered read-only if the following condition are true: |
4623 |
++ * |
4624 |
++ * 1) BPF program side cannot change any of the map content. The |
4625 |
++ * BPF_F_RDONLY_PROG flag is throughout the lifetime of a map |
4626 |
++ * and was set at map creation time. |
4627 |
++ * 2) The map value(s) have been initialized from user space by a |
4628 |
++ * loader and then "frozen", such that no new map update/delete |
4629 |
++ * operations from syscall side are possible for the rest of |
4630 |
++ * the map's lifetime from that point onwards. |
4631 |
++ * 3) Any parallel/pending map update/delete operations from syscall |
4632 |
++ * side have been completed. Only after that point, it's safe to |
4633 |
++ * assume that map value(s) are immutable. |
4634 |
++ */ |
4635 |
++ return (map->map_flags & BPF_F_RDONLY_PROG) && |
4636 |
++ READ_ONCE(map->frozen) && |
4637 |
++ !bpf_map_write_active(map); |
4638 |
+ } |
4639 |
+ |
4640 |
+ static int bpf_map_direct_read(struct bpf_map *map, int off, int size, u64 *val) |
4641 |
+diff --git a/kernel/cpu.c b/kernel/cpu.c |
4642 |
+index 67c22941b5f27..c06ced18f78ad 100644 |
4643 |
+--- a/kernel/cpu.c |
4644 |
++++ b/kernel/cpu.c |
4645 |
+@@ -31,6 +31,7 @@ |
4646 |
+ #include <linux/smpboot.h> |
4647 |
+ #include <linux/relay.h> |
4648 |
+ #include <linux/slab.h> |
4649 |
++#include <linux/scs.h> |
4650 |
+ #include <linux/percpu-rwsem.h> |
4651 |
+ #include <linux/cpuset.h> |
4652 |
+ |
4653 |
+@@ -551,6 +552,12 @@ static int bringup_cpu(unsigned int cpu) |
4654 |
+ struct task_struct *idle = idle_thread_get(cpu); |
4655 |
+ int ret; |
4656 |
+ |
4657 |
++ /* |
4658 |
++ * Reset stale stack state from the last time this CPU was online. |
4659 |
++ */ |
4660 |
++ scs_task_reset(idle); |
4661 |
++ kasan_unpoison_task_stack(idle); |
4662 |
++ |
4663 |
+ /* |
4664 |
+ * Some architectures have to walk the irq descriptors to |
4665 |
+ * setup the vector space for the cpu which comes online. |
4666 |
+diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c |
4667 |
+index 2fc7d509a34fc..bf640fd6142a0 100644 |
4668 |
+--- a/kernel/power/hibernate.c |
4669 |
++++ b/kernel/power/hibernate.c |
4670 |
+@@ -688,7 +688,7 @@ static int load_image_and_restore(void) |
4671 |
+ goto Unlock; |
4672 |
+ |
4673 |
+ error = swsusp_read(&flags); |
4674 |
+- swsusp_close(FMODE_READ); |
4675 |
++ swsusp_close(FMODE_READ | FMODE_EXCL); |
4676 |
+ if (!error) |
4677 |
+ error = hibernation_restore(flags & SF_PLATFORM_MODE); |
4678 |
+ |
4679 |
+@@ -978,7 +978,7 @@ static int software_resume(void) |
4680 |
+ /* The snapshot device should not be opened while we're running */ |
4681 |
+ if (!hibernate_acquire()) { |
4682 |
+ error = -EBUSY; |
4683 |
+- swsusp_close(FMODE_READ); |
4684 |
++ swsusp_close(FMODE_READ | FMODE_EXCL); |
4685 |
+ goto Unlock; |
4686 |
+ } |
4687 |
+ |
4688 |
+@@ -1013,7 +1013,7 @@ static int software_resume(void) |
4689 |
+ pm_pr_dbg("Hibernation image not present or could not be loaded.\n"); |
4690 |
+ return error; |
4691 |
+ Close_Finish: |
4692 |
+- swsusp_close(FMODE_READ); |
4693 |
++ swsusp_close(FMODE_READ | FMODE_EXCL); |
4694 |
+ goto Finish; |
4695 |
+ } |
4696 |
+ |
4697 |
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c |
4698 |
+index e456cce772a3a..304aad997da11 100644 |
4699 |
+--- a/kernel/sched/core.c |
4700 |
++++ b/kernel/sched/core.c |
4701 |
+@@ -6523,9 +6523,6 @@ void __init init_idle(struct task_struct *idle, int cpu) |
4702 |
+ idle->se.exec_start = sched_clock(); |
4703 |
+ idle->flags |= PF_IDLE; |
4704 |
+ |
4705 |
+- scs_task_reset(idle); |
4706 |
+- kasan_unpoison_task_stack(idle); |
4707 |
+- |
4708 |
+ #ifdef CONFIG_SMP |
4709 |
+ /* |
4710 |
+ * Its possible that init_idle() gets called multiple times on a task, |
4711 |
+@@ -6681,7 +6678,6 @@ void idle_task_exit(void) |
4712 |
+ finish_arch_post_lock_switch(); |
4713 |
+ } |
4714 |
+ |
4715 |
+- scs_task_reset(current); |
4716 |
+ /* finish_cpu(), as ran on the BP, will clean up the active_mm state */ |
4717 |
+ } |
4718 |
+ |
4719 |
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h |
4720 |
+index 15a811d34cd82..8d67f7f448400 100644 |
4721 |
+--- a/kernel/trace/trace.h |
4722 |
++++ b/kernel/trace/trace.h |
4723 |
+@@ -1506,14 +1506,26 @@ __event_trigger_test_discard(struct trace_event_file *file, |
4724 |
+ if (eflags & EVENT_FILE_FL_TRIGGER_COND) |
4725 |
+ *tt = event_triggers_call(file, entry, event); |
4726 |
+ |
4727 |
+- if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags) || |
4728 |
+- (unlikely(file->flags & EVENT_FILE_FL_FILTERED) && |
4729 |
+- !filter_match_preds(file->filter, entry))) { |
4730 |
+- __trace_event_discard_commit(buffer, event); |
4731 |
+- return true; |
4732 |
+- } |
4733 |
++ if (likely(!(file->flags & (EVENT_FILE_FL_SOFT_DISABLED | |
4734 |
++ EVENT_FILE_FL_FILTERED | |
4735 |
++ EVENT_FILE_FL_PID_FILTER)))) |
4736 |
++ return false; |
4737 |
++ |
4738 |
++ if (file->flags & EVENT_FILE_FL_SOFT_DISABLED) |
4739 |
++ goto discard; |
4740 |
++ |
4741 |
++ if (file->flags & EVENT_FILE_FL_FILTERED && |
4742 |
++ !filter_match_preds(file->filter, entry)) |
4743 |
++ goto discard; |
4744 |
++ |
4745 |
++ if ((file->flags & EVENT_FILE_FL_PID_FILTER) && |
4746 |
++ trace_event_ignore_this_pid(file)) |
4747 |
++ goto discard; |
4748 |
+ |
4749 |
+ return false; |
4750 |
++ discard: |
4751 |
++ __trace_event_discard_commit(buffer, event); |
4752 |
++ return true; |
4753 |
+ } |
4754 |
+ |
4755 |
+ /** |
4756 |
+diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c |
4757 |
+index ab3cb67b869e5..7cc5f0a77c3cc 100644 |
4758 |
+--- a/kernel/trace/trace_events.c |
4759 |
++++ b/kernel/trace/trace_events.c |
4760 |
+@@ -2462,12 +2462,22 @@ static struct trace_event_file * |
4761 |
+ trace_create_new_event(struct trace_event_call *call, |
4762 |
+ struct trace_array *tr) |
4763 |
+ { |
4764 |
++ struct trace_pid_list *no_pid_list; |
4765 |
++ struct trace_pid_list *pid_list; |
4766 |
+ struct trace_event_file *file; |
4767 |
+ |
4768 |
+ file = kmem_cache_alloc(file_cachep, GFP_TRACE); |
4769 |
+ if (!file) |
4770 |
+ return NULL; |
4771 |
+ |
4772 |
++ pid_list = rcu_dereference_protected(tr->filtered_pids, |
4773 |
++ lockdep_is_held(&event_mutex)); |
4774 |
++ no_pid_list = rcu_dereference_protected(tr->filtered_no_pids, |
4775 |
++ lockdep_is_held(&event_mutex)); |
4776 |
++ |
4777 |
++ if (pid_list || no_pid_list) |
4778 |
++ file->flags |= EVENT_FILE_FL_PID_FILTER; |
4779 |
++ |
4780 |
+ file->event_call = call; |
4781 |
+ file->tr = tr; |
4782 |
+ atomic_set(&file->sm_ref, 0); |
4783 |
+diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c |
4784 |
+index 0dd6e286e5196..9900d4e3808cc 100644 |
4785 |
+--- a/kernel/trace/trace_uprobe.c |
4786 |
++++ b/kernel/trace/trace_uprobe.c |
4787 |
+@@ -1312,6 +1312,7 @@ static int uprobe_perf_open(struct trace_event_call *call, |
4788 |
+ return 0; |
4789 |
+ |
4790 |
+ list_for_each_entry(pos, trace_probe_probe_list(tp), list) { |
4791 |
++ tu = container_of(pos, struct trace_uprobe, tp); |
4792 |
+ err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true); |
4793 |
+ if (err) { |
4794 |
+ uprobe_perf_close(call, event); |
4795 |
+diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c |
4796 |
+index ad3780067a7d8..d12c9a8a9953e 100644 |
4797 |
+--- a/net/8021q/vlan.c |
4798 |
++++ b/net/8021q/vlan.c |
4799 |
+@@ -181,9 +181,6 @@ int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack) |
4800 |
+ if (err) |
4801 |
+ goto out_unregister_netdev; |
4802 |
+ |
4803 |
+- /* Account for reference in struct vlan_dev_priv */ |
4804 |
+- dev_hold(real_dev); |
4805 |
+- |
4806 |
+ vlan_stacked_transfer_operstate(real_dev, dev, vlan); |
4807 |
+ linkwatch_fire_event(dev); /* _MUST_ call rfc2863_policy() */ |
4808 |
+ |
4809 |
+diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c |
4810 |
+index c7eba7dab0938..86a1c99025ea0 100644 |
4811 |
+--- a/net/8021q/vlan_dev.c |
4812 |
++++ b/net/8021q/vlan_dev.c |
4813 |
+@@ -606,6 +606,9 @@ static int vlan_dev_init(struct net_device *dev) |
4814 |
+ if (!vlan->vlan_pcpu_stats) |
4815 |
+ return -ENOMEM; |
4816 |
+ |
4817 |
++ /* Get vlan's reference to real_dev */ |
4818 |
++ dev_hold(real_dev); |
4819 |
++ |
4820 |
+ return 0; |
4821 |
+ } |
4822 |
+ |
4823 |
+diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c |
4824 |
+index 1075cc2136ac6..8bd3f5e3c0e7a 100644 |
4825 |
+--- a/net/ipv4/nexthop.c |
4826 |
++++ b/net/ipv4/nexthop.c |
4827 |
+@@ -924,15 +924,36 @@ static void remove_nexthop(struct net *net, struct nexthop *nh, |
4828 |
+ /* if any FIB entries reference this nexthop, any dst entries |
4829 |
+ * need to be regenerated |
4830 |
+ */ |
4831 |
+-static void nh_rt_cache_flush(struct net *net, struct nexthop *nh) |
4832 |
++static void nh_rt_cache_flush(struct net *net, struct nexthop *nh, |
4833 |
++ struct nexthop *replaced_nh) |
4834 |
+ { |
4835 |
+ struct fib6_info *f6i; |
4836 |
++ struct nh_group *nhg; |
4837 |
++ int i; |
4838 |
+ |
4839 |
+ if (!list_empty(&nh->fi_list)) |
4840 |
+ rt_cache_flush(net); |
4841 |
+ |
4842 |
+ list_for_each_entry(f6i, &nh->f6i_list, nh_list) |
4843 |
+ ipv6_stub->fib6_update_sernum(net, f6i); |
4844 |
++ |
4845 |
++ /* if an IPv6 group was replaced, we have to release all old |
4846 |
++ * dsts to make sure all refcounts are released |
4847 |
++ */ |
4848 |
++ if (!replaced_nh->is_group) |
4849 |
++ return; |
4850 |
++ |
4851 |
++ /* new dsts must use only the new nexthop group */ |
4852 |
++ synchronize_net(); |
4853 |
++ |
4854 |
++ nhg = rtnl_dereference(replaced_nh->nh_grp); |
4855 |
++ for (i = 0; i < nhg->num_nh; i++) { |
4856 |
++ struct nh_grp_entry *nhge = &nhg->nh_entries[i]; |
4857 |
++ struct nh_info *nhi = rtnl_dereference(nhge->nh->nh_info); |
4858 |
++ |
4859 |
++ if (nhi->family == AF_INET6) |
4860 |
++ ipv6_stub->fib6_nh_release_dsts(&nhi->fib6_nh); |
4861 |
++ } |
4862 |
+ } |
4863 |
+ |
4864 |
+ static int replace_nexthop_grp(struct net *net, struct nexthop *old, |
4865 |
+@@ -1111,7 +1132,7 @@ static int replace_nexthop(struct net *net, struct nexthop *old, |
4866 |
+ err = replace_nexthop_single(net, old, new, extack); |
4867 |
+ |
4868 |
+ if (!err) { |
4869 |
+- nh_rt_cache_flush(net, old); |
4870 |
++ nh_rt_cache_flush(net, old, new); |
4871 |
+ |
4872 |
+ __remove_nexthop(net, new, NULL); |
4873 |
+ nexthop_put(new); |
4874 |
+@@ -1355,11 +1376,15 @@ static int nh_create_ipv6(struct net *net, struct nexthop *nh, |
4875 |
+ /* sets nh_dev if successful */ |
4876 |
+ err = ipv6_stub->fib6_nh_init(net, fib6_nh, &fib6_cfg, GFP_KERNEL, |
4877 |
+ extack); |
4878 |
+- if (err) |
4879 |
++ if (err) { |
4880 |
++ /* IPv6 is not enabled, don't call fib6_nh_release */ |
4881 |
++ if (err == -EAFNOSUPPORT) |
4882 |
++ goto out; |
4883 |
+ ipv6_stub->fib6_nh_release(fib6_nh); |
4884 |
+- else |
4885 |
++ } else { |
4886 |
+ nh->nh_flags = fib6_nh->fib_nh_flags; |
4887 |
+- |
4888 |
++ } |
4889 |
++out: |
4890 |
+ return err; |
4891 |
+ } |
4892 |
+ |
4893 |
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c |
4894 |
+index bb16c88f58a3c..63c81af41b43e 100644 |
4895 |
+--- a/net/ipv4/tcp.c |
4896 |
++++ b/net/ipv4/tcp.c |
4897 |
+@@ -3931,7 +3931,7 @@ static int do_tcp_getsockopt(struct sock *sk, int level, |
4898 |
+ } |
4899 |
+ #ifdef CONFIG_MMU |
4900 |
+ case TCP_ZEROCOPY_RECEIVE: { |
4901 |
+- struct tcp_zerocopy_receive zc; |
4902 |
++ struct tcp_zerocopy_receive zc = {}; |
4903 |
+ int err; |
4904 |
+ |
4905 |
+ if (get_user(len, optlen)) |
4906 |
+@@ -3949,7 +3949,7 @@ static int do_tcp_getsockopt(struct sock *sk, int level, |
4907 |
+ lock_sock(sk); |
4908 |
+ err = tcp_zerocopy_receive(sk, &zc); |
4909 |
+ release_sock(sk); |
4910 |
+- if (len == sizeof(zc)) |
4911 |
++ if (len >= offsetofend(struct tcp_zerocopy_receive, err)) |
4912 |
+ goto zerocopy_rcv_sk_err; |
4913 |
+ switch (len) { |
4914 |
+ case offsetofend(struct tcp_zerocopy_receive, err): |
4915 |
+diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c |
4916 |
+index c7bf5b26bf0c2..fffa011a007d4 100644 |
4917 |
+--- a/net/ipv4/tcp_cubic.c |
4918 |
++++ b/net/ipv4/tcp_cubic.c |
4919 |
+@@ -337,8 +337,6 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked) |
4920 |
+ return; |
4921 |
+ |
4922 |
+ if (tcp_in_slow_start(tp)) { |
4923 |
+- if (hystart && after(ack, ca->end_seq)) |
4924 |
+- bictcp_hystart_reset(sk); |
4925 |
+ acked = tcp_slow_start(tp, acked); |
4926 |
+ if (!acked) |
4927 |
+ return; |
4928 |
+@@ -398,6 +396,9 @@ static void hystart_update(struct sock *sk, u32 delay) |
4929 |
+ struct bictcp *ca = inet_csk_ca(sk); |
4930 |
+ u32 threshold; |
4931 |
+ |
4932 |
++ if (after(tp->snd_una, ca->end_seq)) |
4933 |
++ bictcp_hystart_reset(sk); |
4934 |
++ |
4935 |
+ if (hystart_detect & HYSTART_ACK_TRAIN) { |
4936 |
+ u32 now = bictcp_clock_us(sk); |
4937 |
+ |
4938 |
+diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c |
4939 |
+index e648fbebb1670..090575346daf6 100644 |
4940 |
+--- a/net/ipv6/af_inet6.c |
4941 |
++++ b/net/ipv6/af_inet6.c |
4942 |
+@@ -1016,6 +1016,7 @@ static const struct ipv6_stub ipv6_stub_impl = { |
4943 |
+ .ip6_mtu_from_fib6 = ip6_mtu_from_fib6, |
4944 |
+ .fib6_nh_init = fib6_nh_init, |
4945 |
+ .fib6_nh_release = fib6_nh_release, |
4946 |
++ .fib6_nh_release_dsts = fib6_nh_release_dsts, |
4947 |
+ .fib6_update_sernum = fib6_update_sernum_stub, |
4948 |
+ .fib6_rt_update = fib6_rt_update, |
4949 |
+ .ip6_del_rt = ip6_del_rt, |
4950 |
+diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c |
4951 |
+index c2f8e69d7d7a0..54cabf1c2ae15 100644 |
4952 |
+--- a/net/ipv6/ip6_output.c |
4953 |
++++ b/net/ipv6/ip6_output.c |
4954 |
+@@ -193,7 +193,7 @@ static int __ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff |
4955 |
+ #if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM) |
4956 |
+ /* Policy lookup after SNAT yielded a new policy */ |
4957 |
+ if (skb_dst(skb)->xfrm) { |
4958 |
+- IPCB(skb)->flags |= IPSKB_REROUTED; |
4959 |
++ IP6CB(skb)->flags |= IP6SKB_REROUTED; |
4960 |
+ return dst_output(net, sk, skb); |
4961 |
+ } |
4962 |
+ #endif |
4963 |
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c |
4964 |
+index a68a7d7c07280..6fef0d7586bf6 100644 |
4965 |
+--- a/net/ipv6/route.c |
4966 |
++++ b/net/ipv6/route.c |
4967 |
+@@ -3570,6 +3570,25 @@ void fib6_nh_release(struct fib6_nh *fib6_nh) |
4968 |
+ fib_nh_common_release(&fib6_nh->nh_common); |
4969 |
+ } |
4970 |
+ |
4971 |
++void fib6_nh_release_dsts(struct fib6_nh *fib6_nh) |
4972 |
++{ |
4973 |
++ int cpu; |
4974 |
++ |
4975 |
++ if (!fib6_nh->rt6i_pcpu) |
4976 |
++ return; |
4977 |
++ |
4978 |
++ for_each_possible_cpu(cpu) { |
4979 |
++ struct rt6_info *pcpu_rt, **ppcpu_rt; |
4980 |
++ |
4981 |
++ ppcpu_rt = per_cpu_ptr(fib6_nh->rt6i_pcpu, cpu); |
4982 |
++ pcpu_rt = xchg(ppcpu_rt, NULL); |
4983 |
++ if (pcpu_rt) { |
4984 |
++ dst_dev_put(&pcpu_rt->dst); |
4985 |
++ dst_release(&pcpu_rt->dst); |
4986 |
++ } |
4987 |
++ } |
4988 |
++} |
4989 |
++ |
4990 |
+ static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg, |
4991 |
+ gfp_t gfp_flags, |
4992 |
+ struct netlink_ext_ack *extack) |
4993 |
+diff --git a/net/mptcp/options.c b/net/mptcp/options.c |
4994 |
+index ac0233c9cd349..64afe71e2129a 100644 |
4995 |
+--- a/net/mptcp/options.c |
4996 |
++++ b/net/mptcp/options.c |
4997 |
+@@ -368,9 +368,10 @@ static void schedule_3rdack_retransmission(struct sock *sk) |
4998 |
+ |
4999 |
+ /* reschedule with a timeout above RTT, as we must look only for drop */ |
5000 |
+ if (tp->srtt_us) |
5001 |
+- timeout = tp->srtt_us << 1; |
5002 |
++ timeout = usecs_to_jiffies(tp->srtt_us >> (3 - 1)); |
5003 |
+ else |
5004 |
+ timeout = TCP_TIMEOUT_INIT; |
5005 |
++ timeout += jiffies; |
5006 |
+ |
5007 |
+ WARN_ON_ONCE(icsk->icsk_ack.pending & ICSK_ACK_TIMER); |
5008 |
+ icsk->icsk_ack.pending |= ICSK_ACK_SCHED | ICSK_ACK_TIMER; |
5009 |
+diff --git a/net/ncsi/ncsi-cmd.c b/net/ncsi/ncsi-cmd.c |
5010 |
+index ba9ae482141b0..dda8b76b77988 100644 |
5011 |
+--- a/net/ncsi/ncsi-cmd.c |
5012 |
++++ b/net/ncsi/ncsi-cmd.c |
5013 |
+@@ -18,6 +18,8 @@ |
5014 |
+ #include "internal.h" |
5015 |
+ #include "ncsi-pkt.h" |
5016 |
+ |
5017 |
++static const int padding_bytes = 26; |
5018 |
++ |
5019 |
+ u32 ncsi_calculate_checksum(unsigned char *data, int len) |
5020 |
+ { |
5021 |
+ u32 checksum = 0; |
5022 |
+@@ -213,12 +215,17 @@ static int ncsi_cmd_handler_oem(struct sk_buff *skb, |
5023 |
+ { |
5024 |
+ struct ncsi_cmd_oem_pkt *cmd; |
5025 |
+ unsigned int len; |
5026 |
++ int payload; |
5027 |
++ /* NC-SI spec DSP_0222_1.2.0, section 8.2.2.2 |
5028 |
++ * requires payload to be padded with 0 to |
5029 |
++ * 32-bit boundary before the checksum field. |
5030 |
++ * Ensure the padding bytes are accounted for in |
5031 |
++ * skb allocation |
5032 |
++ */ |
5033 |
+ |
5034 |
++ payload = ALIGN(nca->payload, 4); |
5035 |
+ len = sizeof(struct ncsi_cmd_pkt_hdr) + 4; |
5036 |
+- if (nca->payload < 26) |
5037 |
+- len += 26; |
5038 |
+- else |
5039 |
+- len += nca->payload; |
5040 |
++ len += max(payload, padding_bytes); |
5041 |
+ |
5042 |
+ cmd = skb_put_zero(skb, len); |
5043 |
+ memcpy(&cmd->mfr_id, nca->data, nca->payload); |
5044 |
+@@ -272,6 +279,7 @@ static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca) |
5045 |
+ struct net_device *dev = nd->dev; |
5046 |
+ int hlen = LL_RESERVED_SPACE(dev); |
5047 |
+ int tlen = dev->needed_tailroom; |
5048 |
++ int payload; |
5049 |
+ int len = hlen + tlen; |
5050 |
+ struct sk_buff *skb; |
5051 |
+ struct ncsi_request *nr; |
5052 |
+@@ -281,14 +289,14 @@ static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca) |
5053 |
+ return NULL; |
5054 |
+ |
5055 |
+ /* NCSI command packet has 16-bytes header, payload, 4 bytes checksum. |
5056 |
++ * Payload needs padding so that the checksum field following payload is |
5057 |
++ * aligned to 32-bit boundary. |
5058 |
+ * The packet needs padding if its payload is less than 26 bytes to |
5059 |
+ * meet 64 bytes minimal ethernet frame length. |
5060 |
+ */ |
5061 |
+ len += sizeof(struct ncsi_cmd_pkt_hdr) + 4; |
5062 |
+- if (nca->payload < 26) |
5063 |
+- len += 26; |
5064 |
+- else |
5065 |
+- len += nca->payload; |
5066 |
++ payload = ALIGN(nca->payload, 4); |
5067 |
++ len += max(payload, padding_bytes); |
5068 |
+ |
5069 |
+ /* Allocate skb */ |
5070 |
+ skb = alloc_skb(len, GFP_ATOMIC); |
5071 |
+diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c |
5072 |
+index c0b8215ab3d47..3a76da58d88bb 100644 |
5073 |
+--- a/net/netfilter/ipvs/ip_vs_core.c |
5074 |
++++ b/net/netfilter/ipvs/ip_vs_core.c |
5075 |
+@@ -1976,7 +1976,6 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int |
5076 |
+ struct ip_vs_proto_data *pd; |
5077 |
+ struct ip_vs_conn *cp; |
5078 |
+ int ret, pkts; |
5079 |
+- int conn_reuse_mode; |
5080 |
+ struct sock *sk; |
5081 |
+ |
5082 |
+ /* Already marked as IPVS request or reply? */ |
5083 |
+@@ -2053,15 +2052,16 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int |
5084 |
+ cp = INDIRECT_CALL_1(pp->conn_in_get, ip_vs_conn_in_get_proto, |
5085 |
+ ipvs, af, skb, &iph); |
5086 |
+ |
5087 |
+- conn_reuse_mode = sysctl_conn_reuse_mode(ipvs); |
5088 |
+- if (conn_reuse_mode && !iph.fragoffs && is_new_conn(skb, &iph) && cp) { |
5089 |
++ if (!iph.fragoffs && is_new_conn(skb, &iph) && cp) { |
5090 |
++ int conn_reuse_mode = sysctl_conn_reuse_mode(ipvs); |
5091 |
+ bool old_ct = false, resched = false; |
5092 |
+ |
5093 |
+ if (unlikely(sysctl_expire_nodest_conn(ipvs)) && cp->dest && |
5094 |
+ unlikely(!atomic_read(&cp->dest->weight))) { |
5095 |
+ resched = true; |
5096 |
+ old_ct = ip_vs_conn_uses_old_conntrack(cp, skb); |
5097 |
+- } else if (is_new_conn_expected(cp, conn_reuse_mode)) { |
5098 |
++ } else if (conn_reuse_mode && |
5099 |
++ is_new_conn_expected(cp, conn_reuse_mode)) { |
5100 |
+ old_ct = ip_vs_conn_uses_old_conntrack(cp, skb); |
5101 |
+ if (!atomic_read(&cp->n_control)) { |
5102 |
+ resched = true; |
5103 |
+diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c |
5104 |
+index cb4cfa4f61a8d..60a1a666e797a 100644 |
5105 |
+--- a/net/netfilter/nf_conntrack_netlink.c |
5106 |
++++ b/net/netfilter/nf_conntrack_netlink.c |
5107 |
+@@ -973,11 +973,9 @@ ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family) |
5108 |
+ CTA_TUPLE_REPLY, |
5109 |
+ filter->family, |
5110 |
+ &filter->zone, |
5111 |
+- filter->orig_flags); |
5112 |
+- if (err < 0) { |
5113 |
+- err = -EINVAL; |
5114 |
++ filter->reply_flags); |
5115 |
++ if (err < 0) |
5116 |
+ goto err_filter; |
5117 |
+- } |
5118 |
+ } |
5119 |
+ |
5120 |
+ return filter; |
5121 |
+diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c |
5122 |
+index a6b654b028dd4..d1862782be450 100644 |
5123 |
+--- a/net/netfilter/nf_flow_table_offload.c |
5124 |
++++ b/net/netfilter/nf_flow_table_offload.c |
5125 |
+@@ -63,11 +63,11 @@ static void nf_flow_rule_lwt_match(struct nf_flow_match *match, |
5126 |
+ sizeof(struct in6_addr)); |
5127 |
+ if (memcmp(&key->enc_ipv6.src, &in6addr_any, |
5128 |
+ sizeof(struct in6_addr))) |
5129 |
+- memset(&key->enc_ipv6.src, 0xff, |
5130 |
++ memset(&mask->enc_ipv6.src, 0xff, |
5131 |
+ sizeof(struct in6_addr)); |
5132 |
+ if (memcmp(&key->enc_ipv6.dst, &in6addr_any, |
5133 |
+ sizeof(struct in6_addr))) |
5134 |
+- memset(&key->enc_ipv6.dst, 0xff, |
5135 |
++ memset(&mask->enc_ipv6.dst, 0xff, |
5136 |
+ sizeof(struct in6_addr)); |
5137 |
+ enc_keys |= BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS); |
5138 |
+ key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; |
5139 |
+diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c |
5140 |
+index c76701ac35abf..c34cb6e81d855 100644 |
5141 |
+--- a/net/sched/sch_ets.c |
5142 |
++++ b/net/sched/sch_ets.c |
5143 |
+@@ -667,12 +667,14 @@ static int ets_qdisc_change(struct Qdisc *sch, struct nlattr *opt, |
5144 |
+ q->classes[i].deficit = quanta[i]; |
5145 |
+ } |
5146 |
+ } |
5147 |
++ for (i = q->nbands; i < oldbands; i++) { |
5148 |
++ qdisc_tree_flush_backlog(q->classes[i].qdisc); |
5149 |
++ if (i >= q->nstrict) |
5150 |
++ list_del(&q->classes[i].alist); |
5151 |
++ } |
5152 |
+ q->nstrict = nstrict; |
5153 |
+ memcpy(q->prio2band, priomap, sizeof(priomap)); |
5154 |
+ |
5155 |
+- for (i = q->nbands; i < oldbands; i++) |
5156 |
+- qdisc_tree_flush_backlog(q->classes[i].qdisc); |
5157 |
+- |
5158 |
+ for (i = 0; i < q->nbands; i++) |
5159 |
+ q->classes[i].quantum = quanta[i]; |
5160 |
+ |
5161 |
+diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c |
5162 |
+index cfb5b9be0569d..ac8265e35b2d2 100644 |
5163 |
+--- a/net/smc/af_smc.c |
5164 |
++++ b/net/smc/af_smc.c |
5165 |
+@@ -1864,8 +1864,10 @@ static int smc_listen(struct socket *sock, int backlog) |
5166 |
+ smc->clcsock->sk->sk_user_data = |
5167 |
+ (void *)((uintptr_t)smc | SK_USER_DATA_NOCOPY); |
5168 |
+ rc = kernel_listen(smc->clcsock, backlog); |
5169 |
+- if (rc) |
5170 |
++ if (rc) { |
5171 |
++ smc->clcsock->sk->sk_data_ready = smc->clcsk_data_ready; |
5172 |
+ goto out; |
5173 |
++ } |
5174 |
+ sk->sk_max_ack_backlog = backlog; |
5175 |
+ sk->sk_ack_backlog = 0; |
5176 |
+ sk->sk_state = SMC_LISTEN; |
5177 |
+@@ -2096,8 +2098,10 @@ static __poll_t smc_poll(struct file *file, struct socket *sock, |
5178 |
+ static int smc_shutdown(struct socket *sock, int how) |
5179 |
+ { |
5180 |
+ struct sock *sk = sock->sk; |
5181 |
++ bool do_shutdown = true; |
5182 |
+ struct smc_sock *smc; |
5183 |
+ int rc = -EINVAL; |
5184 |
++ int old_state; |
5185 |
+ int rc1 = 0; |
5186 |
+ |
5187 |
+ smc = smc_sk(sk); |
5188 |
+@@ -2124,7 +2128,11 @@ static int smc_shutdown(struct socket *sock, int how) |
5189 |
+ } |
5190 |
+ switch (how) { |
5191 |
+ case SHUT_RDWR: /* shutdown in both directions */ |
5192 |
++ old_state = sk->sk_state; |
5193 |
+ rc = smc_close_active(smc); |
5194 |
++ if (old_state == SMC_ACTIVE && |
5195 |
++ sk->sk_state == SMC_PEERCLOSEWAIT1) |
5196 |
++ do_shutdown = false; |
5197 |
+ break; |
5198 |
+ case SHUT_WR: |
5199 |
+ rc = smc_close_shutdown_write(smc); |
5200 |
+@@ -2134,7 +2142,7 @@ static int smc_shutdown(struct socket *sock, int how) |
5201 |
+ /* nothing more to do because peer is not involved */ |
5202 |
+ break; |
5203 |
+ } |
5204 |
+- if (smc->clcsock) |
5205 |
++ if (do_shutdown && smc->clcsock) |
5206 |
+ rc1 = kernel_sock_shutdown(smc->clcsock, how); |
5207 |
+ /* map sock_shutdown_cmd constants to sk_shutdown value range */ |
5208 |
+ sk->sk_shutdown |= how + 1; |
5209 |
+diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c |
5210 |
+index 0f9ffba07d268..04620b53b74a7 100644 |
5211 |
+--- a/net/smc/smc_close.c |
5212 |
++++ b/net/smc/smc_close.c |
5213 |
+@@ -228,6 +228,12 @@ again: |
5214 |
+ /* send close request */ |
5215 |
+ rc = smc_close_final(conn); |
5216 |
+ sk->sk_state = SMC_PEERCLOSEWAIT1; |
5217 |
++ |
5218 |
++ /* actively shutdown clcsock before peer close it, |
5219 |
++ * prevent peer from entering TIME_WAIT state. |
5220 |
++ */ |
5221 |
++ if (smc->clcsock && smc->clcsock->sk) |
5222 |
++ rc = kernel_sock_shutdown(smc->clcsock, SHUT_RDWR); |
5223 |
+ } else { |
5224 |
+ /* peer event has changed the state */ |
5225 |
+ goto again; |
5226 |
+diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c |
5227 |
+index 109d790eaebe2..cd625b672429f 100644 |
5228 |
+--- a/net/smc/smc_core.c |
5229 |
++++ b/net/smc/smc_core.c |
5230 |
+@@ -1209,14 +1209,26 @@ static void smc_link_down_work(struct work_struct *work) |
5231 |
+ mutex_unlock(&lgr->llc_conf_mutex); |
5232 |
+ } |
5233 |
+ |
5234 |
+-/* Determine vlan of internal TCP socket. |
5235 |
+- * @vlan_id: address to store the determined vlan id into |
5236 |
+- */ |
5237 |
++static int smc_vlan_by_tcpsk_walk(struct net_device *lower_dev, |
5238 |
++ struct netdev_nested_priv *priv) |
5239 |
++{ |
5240 |
++ unsigned short *vlan_id = (unsigned short *)priv->data; |
5241 |
++ |
5242 |
++ if (is_vlan_dev(lower_dev)) { |
5243 |
++ *vlan_id = vlan_dev_vlan_id(lower_dev); |
5244 |
++ return 1; |
5245 |
++ } |
5246 |
++ |
5247 |
++ return 0; |
5248 |
++} |
5249 |
++ |
5250 |
++/* Determine vlan of internal TCP socket. */ |
5251 |
+ int smc_vlan_by_tcpsk(struct socket *clcsock, struct smc_init_info *ini) |
5252 |
+ { |
5253 |
+ struct dst_entry *dst = sk_dst_get(clcsock->sk); |
5254 |
++ struct netdev_nested_priv priv; |
5255 |
+ struct net_device *ndev; |
5256 |
+- int i, nest_lvl, rc = 0; |
5257 |
++ int rc = 0; |
5258 |
+ |
5259 |
+ ini->vlan_id = 0; |
5260 |
+ if (!dst) { |
5261 |
+@@ -1234,20 +1246,9 @@ int smc_vlan_by_tcpsk(struct socket *clcsock, struct smc_init_info *ini) |
5262 |
+ goto out_rel; |
5263 |
+ } |
5264 |
+ |
5265 |
++ priv.data = (void *)&ini->vlan_id; |
5266 |
+ rtnl_lock(); |
5267 |
+- nest_lvl = ndev->lower_level; |
5268 |
+- for (i = 0; i < nest_lvl; i++) { |
5269 |
+- struct list_head *lower = &ndev->adj_list.lower; |
5270 |
+- |
5271 |
+- if (list_empty(lower)) |
5272 |
+- break; |
5273 |
+- lower = lower->next; |
5274 |
+- ndev = (struct net_device *)netdev_lower_get_next(ndev, &lower); |
5275 |
+- if (is_vlan_dev(ndev)) { |
5276 |
+- ini->vlan_id = vlan_dev_vlan_id(ndev); |
5277 |
+- break; |
5278 |
+- } |
5279 |
+- } |
5280 |
++ netdev_walk_all_lower_dev(ndev, smc_vlan_by_tcpsk_walk, &priv); |
5281 |
+ rtnl_unlock(); |
5282 |
+ |
5283 |
+ out_rel: |
5284 |
+diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c |
5285 |
+index 32a51b20509c9..58d22d6b86ae6 100644 |
5286 |
+--- a/net/tls/tls_main.c |
5287 |
++++ b/net/tls/tls_main.c |
5288 |
+@@ -61,7 +61,7 @@ static DEFINE_MUTEX(tcpv6_prot_mutex); |
5289 |
+ static const struct proto *saved_tcpv4_prot; |
5290 |
+ static DEFINE_MUTEX(tcpv4_prot_mutex); |
5291 |
+ static struct proto tls_prots[TLS_NUM_PROTS][TLS_NUM_CONFIG][TLS_NUM_CONFIG]; |
5292 |
+-static struct proto_ops tls_sw_proto_ops; |
5293 |
++static struct proto_ops tls_proto_ops[TLS_NUM_PROTS][TLS_NUM_CONFIG][TLS_NUM_CONFIG]; |
5294 |
+ static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG], |
5295 |
+ const struct proto *base); |
5296 |
+ |
5297 |
+@@ -71,6 +71,8 @@ void update_sk_prot(struct sock *sk, struct tls_context *ctx) |
5298 |
+ |
5299 |
+ WRITE_ONCE(sk->sk_prot, |
5300 |
+ &tls_prots[ip_ver][ctx->tx_conf][ctx->rx_conf]); |
5301 |
++ WRITE_ONCE(sk->sk_socket->ops, |
5302 |
++ &tls_proto_ops[ip_ver][ctx->tx_conf][ctx->rx_conf]); |
5303 |
+ } |
5304 |
+ |
5305 |
+ int wait_on_pending_writer(struct sock *sk, long *timeo) |
5306 |
+@@ -578,8 +580,6 @@ static int do_tls_setsockopt_conf(struct sock *sk, sockptr_t optval, |
5307 |
+ if (tx) { |
5308 |
+ ctx->sk_write_space = sk->sk_write_space; |
5309 |
+ sk->sk_write_space = tls_write_space; |
5310 |
+- } else { |
5311 |
+- sk->sk_socket->ops = &tls_sw_proto_ops; |
5312 |
+ } |
5313 |
+ goto out; |
5314 |
+ |
5315 |
+@@ -637,6 +637,39 @@ struct tls_context *tls_ctx_create(struct sock *sk) |
5316 |
+ return ctx; |
5317 |
+ } |
5318 |
+ |
5319 |
++static void build_proto_ops(struct proto_ops ops[TLS_NUM_CONFIG][TLS_NUM_CONFIG], |
5320 |
++ const struct proto_ops *base) |
5321 |
++{ |
5322 |
++ ops[TLS_BASE][TLS_BASE] = *base; |
5323 |
++ |
5324 |
++ ops[TLS_SW ][TLS_BASE] = ops[TLS_BASE][TLS_BASE]; |
5325 |
++ ops[TLS_SW ][TLS_BASE].sendpage_locked = tls_sw_sendpage_locked; |
5326 |
++ |
5327 |
++ ops[TLS_BASE][TLS_SW ] = ops[TLS_BASE][TLS_BASE]; |
5328 |
++ ops[TLS_BASE][TLS_SW ].splice_read = tls_sw_splice_read; |
5329 |
++ |
5330 |
++ ops[TLS_SW ][TLS_SW ] = ops[TLS_SW ][TLS_BASE]; |
5331 |
++ ops[TLS_SW ][TLS_SW ].splice_read = tls_sw_splice_read; |
5332 |
++ |
5333 |
++#ifdef CONFIG_TLS_DEVICE |
5334 |
++ ops[TLS_HW ][TLS_BASE] = ops[TLS_BASE][TLS_BASE]; |
5335 |
++ ops[TLS_HW ][TLS_BASE].sendpage_locked = NULL; |
5336 |
++ |
5337 |
++ ops[TLS_HW ][TLS_SW ] = ops[TLS_BASE][TLS_SW ]; |
5338 |
++ ops[TLS_HW ][TLS_SW ].sendpage_locked = NULL; |
5339 |
++ |
5340 |
++ ops[TLS_BASE][TLS_HW ] = ops[TLS_BASE][TLS_SW ]; |
5341 |
++ |
5342 |
++ ops[TLS_SW ][TLS_HW ] = ops[TLS_SW ][TLS_SW ]; |
5343 |
++ |
5344 |
++ ops[TLS_HW ][TLS_HW ] = ops[TLS_HW ][TLS_SW ]; |
5345 |
++ ops[TLS_HW ][TLS_HW ].sendpage_locked = NULL; |
5346 |
++#endif |
5347 |
++#ifdef CONFIG_TLS_TOE |
5348 |
++ ops[TLS_HW_RECORD][TLS_HW_RECORD] = *base; |
5349 |
++#endif |
5350 |
++} |
5351 |
++ |
5352 |
+ static void tls_build_proto(struct sock *sk) |
5353 |
+ { |
5354 |
+ int ip_ver = sk->sk_family == AF_INET6 ? TLSV6 : TLSV4; |
5355 |
+@@ -648,6 +681,8 @@ static void tls_build_proto(struct sock *sk) |
5356 |
+ mutex_lock(&tcpv6_prot_mutex); |
5357 |
+ if (likely(prot != saved_tcpv6_prot)) { |
5358 |
+ build_protos(tls_prots[TLSV6], prot); |
5359 |
++ build_proto_ops(tls_proto_ops[TLSV6], |
5360 |
++ sk->sk_socket->ops); |
5361 |
+ smp_store_release(&saved_tcpv6_prot, prot); |
5362 |
+ } |
5363 |
+ mutex_unlock(&tcpv6_prot_mutex); |
5364 |
+@@ -658,6 +693,8 @@ static void tls_build_proto(struct sock *sk) |
5365 |
+ mutex_lock(&tcpv4_prot_mutex); |
5366 |
+ if (likely(prot != saved_tcpv4_prot)) { |
5367 |
+ build_protos(tls_prots[TLSV4], prot); |
5368 |
++ build_proto_ops(tls_proto_ops[TLSV4], |
5369 |
++ sk->sk_socket->ops); |
5370 |
+ smp_store_release(&saved_tcpv4_prot, prot); |
5371 |
+ } |
5372 |
+ mutex_unlock(&tcpv4_prot_mutex); |
5373 |
+@@ -868,10 +905,6 @@ static int __init tls_register(void) |
5374 |
+ if (err) |
5375 |
+ return err; |
5376 |
+ |
5377 |
+- tls_sw_proto_ops = inet_stream_ops; |
5378 |
+- tls_sw_proto_ops.splice_read = tls_sw_splice_read; |
5379 |
+- tls_sw_proto_ops.sendpage_locked = tls_sw_sendpage_locked; |
5380 |
+- |
5381 |
+ tls_device_init(); |
5382 |
+ tcp_register_ulp(&tcp_tls_ulp_ops); |
5383 |
+ |
5384 |
+diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c |
5385 |
+index 14cce61160a58..122d5daed8b61 100644 |
5386 |
+--- a/net/tls/tls_sw.c |
5387 |
++++ b/net/tls/tls_sw.c |
5388 |
+@@ -2007,21 +2007,18 @@ ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos, |
5389 |
+ if (!skb) |
5390 |
+ goto splice_read_end; |
5391 |
+ |
5392 |
+- if (!ctx->decrypted) { |
5393 |
+- err = decrypt_skb_update(sk, skb, NULL, &chunk, &zc, false); |
5394 |
+- |
5395 |
+- /* splice does not support reading control messages */ |
5396 |
+- if (ctx->control != TLS_RECORD_TYPE_DATA) { |
5397 |
+- err = -EINVAL; |
5398 |
+- goto splice_read_end; |
5399 |
+- } |
5400 |
++ err = decrypt_skb_update(sk, skb, NULL, &chunk, &zc, false); |
5401 |
++ if (err < 0) { |
5402 |
++ tls_err_abort(sk, -EBADMSG); |
5403 |
++ goto splice_read_end; |
5404 |
++ } |
5405 |
+ |
5406 |
+- if (err < 0) { |
5407 |
+- tls_err_abort(sk, -EBADMSG); |
5408 |
+- goto splice_read_end; |
5409 |
+- } |
5410 |
+- ctx->decrypted = 1; |
5411 |
++ /* splice does not support reading control messages */ |
5412 |
++ if (ctx->control != TLS_RECORD_TYPE_DATA) { |
5413 |
++ err = -EINVAL; |
5414 |
++ goto splice_read_end; |
5415 |
+ } |
5416 |
++ |
5417 |
+ rxm = strp_msg(skb); |
5418 |
+ |
5419 |
+ chunk = min_t(unsigned int, rxm->full_len, len); |
5420 |
+diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c |
5421 |
+index 6cdb3db7507b1..fc61571a3ac73 100644 |
5422 |
+--- a/sound/hda/intel-dsp-config.c |
5423 |
++++ b/sound/hda/intel-dsp-config.c |
5424 |
+@@ -298,6 +298,15 @@ static const struct config_entry config_table[] = { |
5425 |
+ }, |
5426 |
+ #endif |
5427 |
+ |
5428 |
++/* JasperLake */ |
5429 |
++#if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE) |
5430 |
++ { |
5431 |
++ .flags = FLAG_SOF, |
5432 |
++ .device = 0x4dc8, |
5433 |
++ .codec_hid = "ESSX8336", |
5434 |
++ }, |
5435 |
++#endif |
5436 |
++ |
5437 |
+ /* Tigerlake */ |
5438 |
+ #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE) |
5439 |
+ { |
5440 |
+diff --git a/sound/pci/ctxfi/ctamixer.c b/sound/pci/ctxfi/ctamixer.c |
5441 |
+index d4ff377eb3a34..6d636bdcaa5a3 100644 |
5442 |
+--- a/sound/pci/ctxfi/ctamixer.c |
5443 |
++++ b/sound/pci/ctxfi/ctamixer.c |
5444 |
+@@ -23,16 +23,15 @@ |
5445 |
+ |
5446 |
+ #define BLANK_SLOT 4094 |
5447 |
+ |
5448 |
+-static int amixer_master(struct rsc *rsc) |
5449 |
++static void amixer_master(struct rsc *rsc) |
5450 |
+ { |
5451 |
+ rsc->conj = 0; |
5452 |
+- return rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0]; |
5453 |
++ rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0]; |
5454 |
+ } |
5455 |
+ |
5456 |
+-static int amixer_next_conj(struct rsc *rsc) |
5457 |
++static void amixer_next_conj(struct rsc *rsc) |
5458 |
+ { |
5459 |
+ rsc->conj++; |
5460 |
+- return container_of(rsc, struct amixer, rsc)->idx[rsc->conj]; |
5461 |
+ } |
5462 |
+ |
5463 |
+ static int amixer_index(const struct rsc *rsc) |
5464 |
+@@ -331,16 +330,15 @@ int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr) |
5465 |
+ |
5466 |
+ /* SUM resource management */ |
5467 |
+ |
5468 |
+-static int sum_master(struct rsc *rsc) |
5469 |
++static void sum_master(struct rsc *rsc) |
5470 |
+ { |
5471 |
+ rsc->conj = 0; |
5472 |
+- return rsc->idx = container_of(rsc, struct sum, rsc)->idx[0]; |
5473 |
++ rsc->idx = container_of(rsc, struct sum, rsc)->idx[0]; |
5474 |
+ } |
5475 |
+ |
5476 |
+-static int sum_next_conj(struct rsc *rsc) |
5477 |
++static void sum_next_conj(struct rsc *rsc) |
5478 |
+ { |
5479 |
+ rsc->conj++; |
5480 |
+- return container_of(rsc, struct sum, rsc)->idx[rsc->conj]; |
5481 |
+ } |
5482 |
+ |
5483 |
+ static int sum_index(const struct rsc *rsc) |
5484 |
+diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c |
5485 |
+index 4cb47b5a792c5..aae544dff8868 100644 |
5486 |
+--- a/sound/pci/ctxfi/ctdaio.c |
5487 |
++++ b/sound/pci/ctxfi/ctdaio.c |
5488 |
+@@ -51,12 +51,12 @@ static const struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = { |
5489 |
+ [SPDIFIO] = {.left = 0x05, .right = 0x85}, |
5490 |
+ }; |
5491 |
+ |
5492 |
+-static int daio_master(struct rsc *rsc) |
5493 |
++static void daio_master(struct rsc *rsc) |
5494 |
+ { |
5495 |
+ /* Actually, this is not the resource index of DAIO. |
5496 |
+ * For DAO, it is the input mapper index. And, for DAI, |
5497 |
+ * it is the output time-slot index. */ |
5498 |
+- return rsc->conj = rsc->idx; |
5499 |
++ rsc->conj = rsc->idx; |
5500 |
+ } |
5501 |
+ |
5502 |
+ static int daio_index(const struct rsc *rsc) |
5503 |
+@@ -64,19 +64,19 @@ static int daio_index(const struct rsc *rsc) |
5504 |
+ return rsc->conj; |
5505 |
+ } |
5506 |
+ |
5507 |
+-static int daio_out_next_conj(struct rsc *rsc) |
5508 |
++static void daio_out_next_conj(struct rsc *rsc) |
5509 |
+ { |
5510 |
+- return rsc->conj += 2; |
5511 |
++ rsc->conj += 2; |
5512 |
+ } |
5513 |
+ |
5514 |
+-static int daio_in_next_conj_20k1(struct rsc *rsc) |
5515 |
++static void daio_in_next_conj_20k1(struct rsc *rsc) |
5516 |
+ { |
5517 |
+- return rsc->conj += 0x200; |
5518 |
++ rsc->conj += 0x200; |
5519 |
+ } |
5520 |
+ |
5521 |
+-static int daio_in_next_conj_20k2(struct rsc *rsc) |
5522 |
++static void daio_in_next_conj_20k2(struct rsc *rsc) |
5523 |
+ { |
5524 |
+- return rsc->conj += 0x100; |
5525 |
++ rsc->conj += 0x100; |
5526 |
+ } |
5527 |
+ |
5528 |
+ static const struct rsc_ops daio_out_rsc_ops = { |
5529 |
+diff --git a/sound/pci/ctxfi/ctresource.c b/sound/pci/ctxfi/ctresource.c |
5530 |
+index 61e51e35ba168..edf9d9ef9b848 100644 |
5531 |
+--- a/sound/pci/ctxfi/ctresource.c |
5532 |
++++ b/sound/pci/ctxfi/ctresource.c |
5533 |
+@@ -109,18 +109,17 @@ static int audio_ring_slot(const struct rsc *rsc) |
5534 |
+ return (rsc->conj << 4) + offset_in_audio_slot_block[rsc->type]; |
5535 |
+ } |
5536 |
+ |
5537 |
+-static int rsc_next_conj(struct rsc *rsc) |
5538 |
++static void rsc_next_conj(struct rsc *rsc) |
5539 |
+ { |
5540 |
+ unsigned int i; |
5541 |
+ for (i = 0; (i < 8) && (!(rsc->msr & (0x1 << i))); ) |
5542 |
+ i++; |
5543 |
+ rsc->conj += (AUDIO_SLOT_BLOCK_NUM >> i); |
5544 |
+- return rsc->conj; |
5545 |
+ } |
5546 |
+ |
5547 |
+-static int rsc_master(struct rsc *rsc) |
5548 |
++static void rsc_master(struct rsc *rsc) |
5549 |
+ { |
5550 |
+- return rsc->conj = rsc->idx; |
5551 |
++ rsc->conj = rsc->idx; |
5552 |
+ } |
5553 |
+ |
5554 |
+ static const struct rsc_ops rsc_generic_ops = { |
5555 |
+diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h |
5556 |
+index 93e47488a1c1c..92146054af582 100644 |
5557 |
+--- a/sound/pci/ctxfi/ctresource.h |
5558 |
++++ b/sound/pci/ctxfi/ctresource.h |
5559 |
+@@ -39,8 +39,8 @@ struct rsc { |
5560 |
+ }; |
5561 |
+ |
5562 |
+ struct rsc_ops { |
5563 |
+- int (*master)(struct rsc *rsc); /* Move to master resource */ |
5564 |
+- int (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ |
5565 |
++ void (*master)(struct rsc *rsc); /* Move to master resource */ |
5566 |
++ void (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ |
5567 |
+ int (*index)(const struct rsc *rsc); /* Return the index of resource */ |
5568 |
+ /* Return the output slot number */ |
5569 |
+ int (*output_slot)(const struct rsc *rsc); |
5570 |
+diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c |
5571 |
+index 37c18ce84974a..7d2bda0c3d3de 100644 |
5572 |
+--- a/sound/pci/ctxfi/ctsrc.c |
5573 |
++++ b/sound/pci/ctxfi/ctsrc.c |
5574 |
+@@ -590,16 +590,15 @@ int src_mgr_destroy(struct src_mgr *src_mgr) |
5575 |
+ |
5576 |
+ /* SRCIMP resource manager operations */ |
5577 |
+ |
5578 |
+-static int srcimp_master(struct rsc *rsc) |
5579 |
++static void srcimp_master(struct rsc *rsc) |
5580 |
+ { |
5581 |
+ rsc->conj = 0; |
5582 |
+- return rsc->idx = container_of(rsc, struct srcimp, rsc)->idx[0]; |
5583 |
++ rsc->idx = container_of(rsc, struct srcimp, rsc)->idx[0]; |
5584 |
+ } |
5585 |
+ |
5586 |
+-static int srcimp_next_conj(struct rsc *rsc) |
5587 |
++static void srcimp_next_conj(struct rsc *rsc) |
5588 |
+ { |
5589 |
+ rsc->conj++; |
5590 |
+- return container_of(rsc, struct srcimp, rsc)->idx[rsc->conj]; |
5591 |
+ } |
5592 |
+ |
5593 |
+ static int srcimp_index(const struct rsc *rsc) |
5594 |
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c |
5595 |
+index 2eb06351de1fb..b980fa617229e 100644 |
5596 |
+--- a/sound/pci/hda/patch_realtek.c |
5597 |
++++ b/sound/pci/hda/patch_realtek.c |
5598 |
+@@ -6467,6 +6467,27 @@ static void alc256_fixup_tongfang_reset_persistent_settings(struct hda_codec *co |
5599 |
+ alc_write_coef_idx(codec, 0x45, 0x5089); |
5600 |
+ } |
5601 |
+ |
5602 |
++static const struct coef_fw alc233_fixup_no_audio_jack_coefs[] = { |
5603 |
++ WRITE_COEF(0x1a, 0x9003), WRITE_COEF(0x1b, 0x0e2b), WRITE_COEF(0x37, 0xfe06), |
5604 |
++ WRITE_COEF(0x38, 0x4981), WRITE_COEF(0x45, 0xd489), WRITE_COEF(0x46, 0x0074), |
5605 |
++ WRITE_COEF(0x49, 0x0149), |
5606 |
++ {} |
5607 |
++}; |
5608 |
++ |
5609 |
++static void alc233_fixup_no_audio_jack(struct hda_codec *codec, |
5610 |
++ const struct hda_fixup *fix, |
5611 |
++ int action) |
5612 |
++{ |
5613 |
++ /* |
5614 |
++ * The audio jack input and output is not detected on the ASRock NUC Box |
5615 |
++ * 1100 series when cold booting without this fix. Warm rebooting from a |
5616 |
++ * certain other OS makes the audio functional, as COEF settings are |
5617 |
++ * preserved in this case. This fix sets these altered COEF values as |
5618 |
++ * the default. |
5619 |
++ */ |
5620 |
++ alc_process_coef_fw(codec, alc233_fixup_no_audio_jack_coefs); |
5621 |
++} |
5622 |
++ |
5623 |
+ enum { |
5624 |
+ ALC269_FIXUP_GPIO2, |
5625 |
+ ALC269_FIXUP_SONY_VAIO, |
5626 |
+@@ -6685,6 +6706,7 @@ enum { |
5627 |
+ ALC287_FIXUP_13S_GEN2_SPEAKERS, |
5628 |
+ ALC256_FIXUP_TONGFANG_RESET_PERSISTENT_SETTINGS, |
5629 |
+ ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE, |
5630 |
++ ALC233_FIXUP_NO_AUDIO_JACK, |
5631 |
+ }; |
5632 |
+ |
5633 |
+ static const struct hda_fixup alc269_fixups[] = { |
5634 |
+@@ -8399,6 +8421,10 @@ static const struct hda_fixup alc269_fixups[] = { |
5635 |
+ .chained = true, |
5636 |
+ .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, |
5637 |
+ }, |
5638 |
++ [ALC233_FIXUP_NO_AUDIO_JACK] = { |
5639 |
++ .type = HDA_FIXUP_FUNC, |
5640 |
++ .v.func = alc233_fixup_no_audio_jack, |
5641 |
++ }, |
5642 |
+ }; |
5643 |
+ |
5644 |
+ static const struct snd_pci_quirk alc269_fixup_tbl[] = { |
5645 |
+@@ -8578,6 +8604,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { |
5646 |
+ SND_PCI_QUIRK(0x103c, 0x8728, "HP EliteBook 840 G7", ALC285_FIXUP_HP_GPIO_LED), |
5647 |
+ SND_PCI_QUIRK(0x103c, 0x8729, "HP", ALC285_FIXUP_HP_GPIO_LED), |
5648 |
+ SND_PCI_QUIRK(0x103c, 0x8730, "HP ProBook 445 G7", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), |
5649 |
++ SND_PCI_QUIRK(0x103c, 0x8735, "HP ProBook 435 G7", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), |
5650 |
+ SND_PCI_QUIRK(0x103c, 0x8736, "HP", ALC285_FIXUP_HP_GPIO_AMP_INIT), |
5651 |
+ SND_PCI_QUIRK(0x103c, 0x8760, "HP", ALC285_FIXUP_HP_MUTE_LED), |
5652 |
+ SND_PCI_QUIRK(0x103c, 0x877a, "HP", ALC285_FIXUP_HP_MUTE_LED), |
5653 |
+@@ -8831,6 +8858,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { |
5654 |
+ SND_PCI_QUIRK(0x17aa, 0x511e, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), |
5655 |
+ SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), |
5656 |
+ SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD), |
5657 |
++ SND_PCI_QUIRK(0x1849, 0x1233, "ASRock NUC Box 1100", ALC233_FIXUP_NO_AUDIO_JACK), |
5658 |
+ SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS), |
5659 |
+ SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20), |
5660 |
+ SND_PCI_QUIRK(0x1b35, 0x1236, "CZC TMI", ALC269_FIXUP_CZC_TMI), |
5661 |
+diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c |
5662 |
+index d18ae5e3ee809..699b59cd389c0 100644 |
5663 |
+--- a/sound/soc/codecs/wcd934x.c |
5664 |
++++ b/sound/soc/codecs/wcd934x.c |
5665 |
+@@ -1812,9 +1812,8 @@ static int wcd934x_hw_params(struct snd_pcm_substream *substream, |
5666 |
+ } |
5667 |
+ |
5668 |
+ wcd->dai[dai->id].sconfig.rate = params_rate(params); |
5669 |
+- wcd934x_slim_set_hw_params(wcd, &wcd->dai[dai->id], substream->stream); |
5670 |
+ |
5671 |
+- return 0; |
5672 |
++ return wcd934x_slim_set_hw_params(wcd, &wcd->dai[dai->id], substream->stream); |
5673 |
+ } |
5674 |
+ |
5675 |
+ static int wcd934x_hw_free(struct snd_pcm_substream *substream, |
5676 |
+diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c |
5677 |
+index 9766725c29166..84cf190aa01a6 100644 |
5678 |
+--- a/sound/soc/qcom/qdsp6/q6asm-dai.c |
5679 |
++++ b/sound/soc/qcom/qdsp6/q6asm-dai.c |
5680 |
+@@ -269,9 +269,7 @@ static int q6asm_dai_prepare(struct snd_soc_component *component, |
5681 |
+ |
5682 |
+ if (ret < 0) { |
5683 |
+ dev_err(dev, "%s: q6asm_open_write failed\n", __func__); |
5684 |
+- q6asm_audio_client_free(prtd->audio_client); |
5685 |
+- prtd->audio_client = NULL; |
5686 |
+- return -ENOMEM; |
5687 |
++ goto open_err; |
5688 |
+ } |
5689 |
+ |
5690 |
+ prtd->session_id = q6asm_get_session_id(prtd->audio_client); |
5691 |
+@@ -279,7 +277,7 @@ static int q6asm_dai_prepare(struct snd_soc_component *component, |
5692 |
+ prtd->session_id, substream->stream); |
5693 |
+ if (ret) { |
5694 |
+ dev_err(dev, "%s: stream reg failed ret:%d\n", __func__, ret); |
5695 |
+- return ret; |
5696 |
++ goto routing_err; |
5697 |
+ } |
5698 |
+ |
5699 |
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
5700 |
+@@ -301,10 +299,19 @@ static int q6asm_dai_prepare(struct snd_soc_component *component, |
5701 |
+ } |
5702 |
+ if (ret < 0) |
5703 |
+ dev_info(dev, "%s: CMD Format block failed\n", __func__); |
5704 |
++ else |
5705 |
++ prtd->state = Q6ASM_STREAM_RUNNING; |
5706 |
+ |
5707 |
+- prtd->state = Q6ASM_STREAM_RUNNING; |
5708 |
++ return ret; |
5709 |
+ |
5710 |
+- return 0; |
5711 |
++routing_err: |
5712 |
++ q6asm_cmd(prtd->audio_client, prtd->stream_id, CMD_CLOSE); |
5713 |
++open_err: |
5714 |
++ q6asm_unmap_memory_regions(substream->stream, prtd->audio_client); |
5715 |
++ q6asm_audio_client_free(prtd->audio_client); |
5716 |
++ prtd->audio_client = NULL; |
5717 |
++ |
5718 |
++ return ret; |
5719 |
+ } |
5720 |
+ |
5721 |
+ static int q6asm_dai_trigger(struct snd_soc_component *component, |
5722 |
+diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c |
5723 |
+index 0a6b9433f6acf..934b3f282bccd 100644 |
5724 |
+--- a/sound/soc/qcom/qdsp6/q6routing.c |
5725 |
++++ b/sound/soc/qcom/qdsp6/q6routing.c |
5726 |
+@@ -491,7 +491,11 @@ static int msm_routing_put_audio_mixer(struct snd_kcontrol *kcontrol, |
5727 |
+ session->port_id = be_id; |
5728 |
+ snd_soc_dapm_mixer_update_power(dapm, kcontrol, 1, update); |
5729 |
+ } else { |
5730 |
+- session->port_id = -1; |
5731 |
++ if (session->port_id == be_id) { |
5732 |
++ session->port_id = -1; |
5733 |
++ return 0; |
5734 |
++ } |
5735 |
++ |
5736 |
+ snd_soc_dapm_mixer_update_power(dapm, kcontrol, 0, update); |
5737 |
+ } |
5738 |
+ |
5739 |
+diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c |
5740 |
+index 1030e11017b27..4d24ac255d253 100644 |
5741 |
+--- a/sound/soc/soc-topology.c |
5742 |
++++ b/sound/soc/soc-topology.c |
5743 |
+@@ -2873,6 +2873,7 @@ EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); |
5744 |
+ /* remove dynamic controls from the component driver */ |
5745 |
+ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) |
5746 |
+ { |
5747 |
++ struct snd_card *card = comp->card->snd_card; |
5748 |
+ struct snd_soc_dobj *dobj, *next_dobj; |
5749 |
+ int pass = SOC_TPLG_PASS_END; |
5750 |
+ |
5751 |
+@@ -2880,6 +2881,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) |
5752 |
+ while (pass >= SOC_TPLG_PASS_START) { |
5753 |
+ |
5754 |
+ /* remove mixer controls */ |
5755 |
++ down_write(&card->controls_rwsem); |
5756 |
+ list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, |
5757 |
+ list) { |
5758 |
+ |
5759 |
+@@ -2923,6 +2925,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) |
5760 |
+ break; |
5761 |
+ } |
5762 |
+ } |
5763 |
++ up_write(&card->controls_rwsem); |
5764 |
+ pass--; |
5765 |
+ } |
5766 |
+ |