1 |
commit: ee77ed5cd54e726d06c811541727b80b2472cd96 |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Thu May 14 11:34:11 2020 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Thu May 14 11:34:11 2020 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=ee77ed5c |
7 |
|
8 |
Linux patch 5.6.13 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1012_linux-5.6.13.patch | 3958 +++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 3962 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index f4994be..6a6ec25 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -91,6 +91,10 @@ Patch: 1011_linux-5.6.12.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 5.6.12 |
23 |
|
24 |
+Patch: 1012_linux-5.6.13.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 5.6.13 |
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/1012_linux-5.6.13.patch b/1012_linux-5.6.13.patch |
33 |
new file mode 100644 |
34 |
index 0000000..cf736d2 |
35 |
--- /dev/null |
36 |
+++ b/1012_linux-5.6.13.patch |
37 |
@@ -0,0 +1,3958 @@ |
38 |
+diff --git a/Makefile b/Makefile |
39 |
+index 97e4c4d9ac95..d252219666fd 100644 |
40 |
+--- a/Makefile |
41 |
++++ b/Makefile |
42 |
+@@ -1,7 +1,7 @@ |
43 |
+ # SPDX-License-Identifier: GPL-2.0 |
44 |
+ VERSION = 5 |
45 |
+ PATCHLEVEL = 6 |
46 |
+-SUBLEVEL = 12 |
47 |
++SUBLEVEL = 13 |
48 |
+ EXTRAVERSION = |
49 |
+ NAME = Kleptomaniac Octopus |
50 |
+ |
51 |
+diff --git a/arch/arm/crypto/chacha-glue.c b/arch/arm/crypto/chacha-glue.c |
52 |
+index 6fdb0ac62b3d..59da6c0b63b6 100644 |
53 |
+--- a/arch/arm/crypto/chacha-glue.c |
54 |
++++ b/arch/arm/crypto/chacha-glue.c |
55 |
+@@ -91,9 +91,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes, |
56 |
+ return; |
57 |
+ } |
58 |
+ |
59 |
+- kernel_neon_begin(); |
60 |
+- chacha_doneon(state, dst, src, bytes, nrounds); |
61 |
+- kernel_neon_end(); |
62 |
++ do { |
63 |
++ unsigned int todo = min_t(unsigned int, bytes, SZ_4K); |
64 |
++ |
65 |
++ kernel_neon_begin(); |
66 |
++ chacha_doneon(state, dst, src, todo, nrounds); |
67 |
++ kernel_neon_end(); |
68 |
++ |
69 |
++ bytes -= todo; |
70 |
++ src += todo; |
71 |
++ dst += todo; |
72 |
++ } while (bytes); |
73 |
+ } |
74 |
+ EXPORT_SYMBOL(chacha_crypt_arch); |
75 |
+ |
76 |
+diff --git a/arch/arm/crypto/nhpoly1305-neon-glue.c b/arch/arm/crypto/nhpoly1305-neon-glue.c |
77 |
+index ae5aefc44a4d..ffa8d73fe722 100644 |
78 |
+--- a/arch/arm/crypto/nhpoly1305-neon-glue.c |
79 |
++++ b/arch/arm/crypto/nhpoly1305-neon-glue.c |
80 |
+@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc, |
81 |
+ return crypto_nhpoly1305_update(desc, src, srclen); |
82 |
+ |
83 |
+ do { |
84 |
+- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE); |
85 |
++ unsigned int n = min_t(unsigned int, srclen, SZ_4K); |
86 |
+ |
87 |
+ kernel_neon_begin(); |
88 |
+ crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon); |
89 |
+diff --git a/arch/arm/crypto/poly1305-glue.c b/arch/arm/crypto/poly1305-glue.c |
90 |
+index ceec04ec2f40..13cfef4ae22e 100644 |
91 |
+--- a/arch/arm/crypto/poly1305-glue.c |
92 |
++++ b/arch/arm/crypto/poly1305-glue.c |
93 |
+@@ -160,13 +160,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src, |
94 |
+ unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE); |
95 |
+ |
96 |
+ if (static_branch_likely(&have_neon) && do_neon) { |
97 |
+- kernel_neon_begin(); |
98 |
+- poly1305_blocks_neon(&dctx->h, src, len, 1); |
99 |
+- kernel_neon_end(); |
100 |
++ do { |
101 |
++ unsigned int todo = min_t(unsigned int, len, SZ_4K); |
102 |
++ |
103 |
++ kernel_neon_begin(); |
104 |
++ poly1305_blocks_neon(&dctx->h, src, todo, 1); |
105 |
++ kernel_neon_end(); |
106 |
++ |
107 |
++ len -= todo; |
108 |
++ src += todo; |
109 |
++ } while (len); |
110 |
+ } else { |
111 |
+ poly1305_blocks_arm(&dctx->h, src, len, 1); |
112 |
++ src += len; |
113 |
+ } |
114 |
+- src += len; |
115 |
+ nbytes %= POLY1305_BLOCK_SIZE; |
116 |
+ } |
117 |
+ |
118 |
+diff --git a/arch/arm64/crypto/chacha-neon-glue.c b/arch/arm64/crypto/chacha-neon-glue.c |
119 |
+index 37ca3e889848..af2bbca38e70 100644 |
120 |
+--- a/arch/arm64/crypto/chacha-neon-glue.c |
121 |
++++ b/arch/arm64/crypto/chacha-neon-glue.c |
122 |
+@@ -87,9 +87,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes, |
123 |
+ !crypto_simd_usable()) |
124 |
+ return chacha_crypt_generic(state, dst, src, bytes, nrounds); |
125 |
+ |
126 |
+- kernel_neon_begin(); |
127 |
+- chacha_doneon(state, dst, src, bytes, nrounds); |
128 |
+- kernel_neon_end(); |
129 |
++ do { |
130 |
++ unsigned int todo = min_t(unsigned int, bytes, SZ_4K); |
131 |
++ |
132 |
++ kernel_neon_begin(); |
133 |
++ chacha_doneon(state, dst, src, todo, nrounds); |
134 |
++ kernel_neon_end(); |
135 |
++ |
136 |
++ bytes -= todo; |
137 |
++ src += todo; |
138 |
++ dst += todo; |
139 |
++ } while (bytes); |
140 |
+ } |
141 |
+ EXPORT_SYMBOL(chacha_crypt_arch); |
142 |
+ |
143 |
+diff --git a/arch/arm64/crypto/nhpoly1305-neon-glue.c b/arch/arm64/crypto/nhpoly1305-neon-glue.c |
144 |
+index 895d3727c1fb..c5405e6a6db7 100644 |
145 |
+--- a/arch/arm64/crypto/nhpoly1305-neon-glue.c |
146 |
++++ b/arch/arm64/crypto/nhpoly1305-neon-glue.c |
147 |
+@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc, |
148 |
+ return crypto_nhpoly1305_update(desc, src, srclen); |
149 |
+ |
150 |
+ do { |
151 |
+- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE); |
152 |
++ unsigned int n = min_t(unsigned int, srclen, SZ_4K); |
153 |
+ |
154 |
+ kernel_neon_begin(); |
155 |
+ crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon); |
156 |
+diff --git a/arch/arm64/crypto/poly1305-glue.c b/arch/arm64/crypto/poly1305-glue.c |
157 |
+index e97b092f56b8..f33ada70c4ed 100644 |
158 |
+--- a/arch/arm64/crypto/poly1305-glue.c |
159 |
++++ b/arch/arm64/crypto/poly1305-glue.c |
160 |
+@@ -143,13 +143,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src, |
161 |
+ unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE); |
162 |
+ |
163 |
+ if (static_branch_likely(&have_neon) && crypto_simd_usable()) { |
164 |
+- kernel_neon_begin(); |
165 |
+- poly1305_blocks_neon(&dctx->h, src, len, 1); |
166 |
+- kernel_neon_end(); |
167 |
++ do { |
168 |
++ unsigned int todo = min_t(unsigned int, len, SZ_4K); |
169 |
++ |
170 |
++ kernel_neon_begin(); |
171 |
++ poly1305_blocks_neon(&dctx->h, src, todo, 1); |
172 |
++ kernel_neon_end(); |
173 |
++ |
174 |
++ len -= todo; |
175 |
++ src += todo; |
176 |
++ } while (len); |
177 |
+ } else { |
178 |
+ poly1305_blocks(&dctx->h, src, len, 1); |
179 |
++ src += len; |
180 |
+ } |
181 |
+- src += len; |
182 |
+ nbytes %= POLY1305_BLOCK_SIZE; |
183 |
+ } |
184 |
+ |
185 |
+diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c |
186 |
+index 2bd92301d32f..6194cb3309d0 100644 |
187 |
+--- a/arch/arm64/kvm/guest.c |
188 |
++++ b/arch/arm64/kvm/guest.c |
189 |
+@@ -201,6 +201,13 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) |
190 |
+ } |
191 |
+ |
192 |
+ memcpy((u32 *)regs + off, valp, KVM_REG_SIZE(reg->id)); |
193 |
++ |
194 |
++ if (*vcpu_cpsr(vcpu) & PSR_MODE32_BIT) { |
195 |
++ int i; |
196 |
++ |
197 |
++ for (i = 0; i < 16; i++) |
198 |
++ *vcpu_reg32(vcpu, i) = (u32)*vcpu_reg32(vcpu, i); |
199 |
++ } |
200 |
+ out: |
201 |
+ return err; |
202 |
+ } |
203 |
+diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c |
204 |
+index bbeb6a5a6ba6..0be3355e3499 100644 |
205 |
+--- a/arch/arm64/mm/hugetlbpage.c |
206 |
++++ b/arch/arm64/mm/hugetlbpage.c |
207 |
+@@ -230,6 +230,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, |
208 |
+ ptep = (pte_t *)pudp; |
209 |
+ } else if (sz == (CONT_PTE_SIZE)) { |
210 |
+ pmdp = pmd_alloc(mm, pudp, addr); |
211 |
++ if (!pmdp) |
212 |
++ return NULL; |
213 |
+ |
214 |
+ WARN_ON(addr & (sz - 1)); |
215 |
+ /* |
216 |
+diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c |
217 |
+index fab855963c73..157924baa191 100644 |
218 |
+--- a/arch/riscv/mm/init.c |
219 |
++++ b/arch/riscv/mm/init.c |
220 |
+@@ -149,7 +149,8 @@ void __init setup_bootmem(void) |
221 |
+ memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); |
222 |
+ |
223 |
+ set_max_mapnr(PFN_DOWN(mem_size)); |
224 |
+- max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); |
225 |
++ max_pfn = PFN_DOWN(memblock_end_of_DRAM()); |
226 |
++ max_low_pfn = max_pfn; |
227 |
+ |
228 |
+ #ifdef CONFIG_BLK_DEV_INITRD |
229 |
+ setup_initrd(); |
230 |
+diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c |
231 |
+index ed52ffa8d5d4..560310e29e27 100644 |
232 |
+--- a/arch/s390/kvm/priv.c |
233 |
++++ b/arch/s390/kvm/priv.c |
234 |
+@@ -626,10 +626,12 @@ static int handle_pqap(struct kvm_vcpu *vcpu) |
235 |
+ * available for the guest are AQIC and TAPQ with the t bit set |
236 |
+ * since we do not set IC.3 (FIII) we currently will only intercept |
237 |
+ * the AQIC function code. |
238 |
++ * Note: running nested under z/VM can result in intercepts for other |
239 |
++ * function codes, e.g. PQAP(QCI). We do not support this and bail out. |
240 |
+ */ |
241 |
+ reg0 = vcpu->run->s.regs.gprs[0]; |
242 |
+ fc = (reg0 >> 24) & 0xff; |
243 |
+- if (WARN_ON_ONCE(fc != 0x03)) |
244 |
++ if (fc != 0x03) |
245 |
+ return -EOPNOTSUPP; |
246 |
+ |
247 |
+ /* PQAP instruction is allowed for guest kernel only */ |
248 |
+diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c |
249 |
+index 06ef2d4a4701..6737bcea1fa1 100644 |
250 |
+--- a/arch/x86/crypto/blake2s-glue.c |
251 |
++++ b/arch/x86/crypto/blake2s-glue.c |
252 |
+@@ -32,16 +32,16 @@ void blake2s_compress_arch(struct blake2s_state *state, |
253 |
+ const u32 inc) |
254 |
+ { |
255 |
+ /* SIMD disables preemption, so relax after processing each page. */ |
256 |
+- BUILD_BUG_ON(PAGE_SIZE / BLAKE2S_BLOCK_SIZE < 8); |
257 |
++ BUILD_BUG_ON(SZ_4K / BLAKE2S_BLOCK_SIZE < 8); |
258 |
+ |
259 |
+ if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) { |
260 |
+ blake2s_compress_generic(state, block, nblocks, inc); |
261 |
+ return; |
262 |
+ } |
263 |
+ |
264 |
+- for (;;) { |
265 |
++ do { |
266 |
+ const size_t blocks = min_t(size_t, nblocks, |
267 |
+- PAGE_SIZE / BLAKE2S_BLOCK_SIZE); |
268 |
++ SZ_4K / BLAKE2S_BLOCK_SIZE); |
269 |
+ |
270 |
+ kernel_fpu_begin(); |
271 |
+ if (IS_ENABLED(CONFIG_AS_AVX512) && |
272 |
+@@ -52,10 +52,8 @@ void blake2s_compress_arch(struct blake2s_state *state, |
273 |
+ kernel_fpu_end(); |
274 |
+ |
275 |
+ nblocks -= blocks; |
276 |
+- if (!nblocks) |
277 |
+- break; |
278 |
+ block += blocks * BLAKE2S_BLOCK_SIZE; |
279 |
+- } |
280 |
++ } while (nblocks); |
281 |
+ } |
282 |
+ EXPORT_SYMBOL(blake2s_compress_arch); |
283 |
+ |
284 |
+diff --git a/arch/x86/crypto/chacha_glue.c b/arch/x86/crypto/chacha_glue.c |
285 |
+index 68a74953efaf..ebf2cd7ff2f0 100644 |
286 |
+--- a/arch/x86/crypto/chacha_glue.c |
287 |
++++ b/arch/x86/crypto/chacha_glue.c |
288 |
+@@ -154,9 +154,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes, |
289 |
+ bytes <= CHACHA_BLOCK_SIZE) |
290 |
+ return chacha_crypt_generic(state, dst, src, bytes, nrounds); |
291 |
+ |
292 |
+- kernel_fpu_begin(); |
293 |
+- chacha_dosimd(state, dst, src, bytes, nrounds); |
294 |
+- kernel_fpu_end(); |
295 |
++ do { |
296 |
++ unsigned int todo = min_t(unsigned int, bytes, SZ_4K); |
297 |
++ |
298 |
++ kernel_fpu_begin(); |
299 |
++ chacha_dosimd(state, dst, src, todo, nrounds); |
300 |
++ kernel_fpu_end(); |
301 |
++ |
302 |
++ bytes -= todo; |
303 |
++ src += todo; |
304 |
++ dst += todo; |
305 |
++ } while (bytes); |
306 |
+ } |
307 |
+ EXPORT_SYMBOL(chacha_crypt_arch); |
308 |
+ |
309 |
+diff --git a/arch/x86/crypto/nhpoly1305-avx2-glue.c b/arch/x86/crypto/nhpoly1305-avx2-glue.c |
310 |
+index f7567cbd35b6..80fcb85736e1 100644 |
311 |
+--- a/arch/x86/crypto/nhpoly1305-avx2-glue.c |
312 |
++++ b/arch/x86/crypto/nhpoly1305-avx2-glue.c |
313 |
+@@ -29,7 +29,7 @@ static int nhpoly1305_avx2_update(struct shash_desc *desc, |
314 |
+ return crypto_nhpoly1305_update(desc, src, srclen); |
315 |
+ |
316 |
+ do { |
317 |
+- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE); |
318 |
++ unsigned int n = min_t(unsigned int, srclen, SZ_4K); |
319 |
+ |
320 |
+ kernel_fpu_begin(); |
321 |
+ crypto_nhpoly1305_update_helper(desc, src, n, _nh_avx2); |
322 |
+diff --git a/arch/x86/crypto/nhpoly1305-sse2-glue.c b/arch/x86/crypto/nhpoly1305-sse2-glue.c |
323 |
+index a661ede3b5cf..cc6b7c1a2705 100644 |
324 |
+--- a/arch/x86/crypto/nhpoly1305-sse2-glue.c |
325 |
++++ b/arch/x86/crypto/nhpoly1305-sse2-glue.c |
326 |
+@@ -29,7 +29,7 @@ static int nhpoly1305_sse2_update(struct shash_desc *desc, |
327 |
+ return crypto_nhpoly1305_update(desc, src, srclen); |
328 |
+ |
329 |
+ do { |
330 |
+- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE); |
331 |
++ unsigned int n = min_t(unsigned int, srclen, SZ_4K); |
332 |
+ |
333 |
+ kernel_fpu_begin(); |
334 |
+ crypto_nhpoly1305_update_helper(desc, src, n, _nh_sse2); |
335 |
+diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c |
336 |
+index 79bb58737d52..61b2bc8b6986 100644 |
337 |
+--- a/arch/x86/crypto/poly1305_glue.c |
338 |
++++ b/arch/x86/crypto/poly1305_glue.c |
339 |
+@@ -91,8 +91,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, |
340 |
+ struct poly1305_arch_internal *state = ctx; |
341 |
+ |
342 |
+ /* SIMD disables preemption, so relax after processing each page. */ |
343 |
+- BUILD_BUG_ON(PAGE_SIZE < POLY1305_BLOCK_SIZE || |
344 |
+- PAGE_SIZE % POLY1305_BLOCK_SIZE); |
345 |
++ BUILD_BUG_ON(SZ_4K < POLY1305_BLOCK_SIZE || |
346 |
++ SZ_4K % POLY1305_BLOCK_SIZE); |
347 |
+ |
348 |
+ if (!IS_ENABLED(CONFIG_AS_AVX) || !static_branch_likely(&poly1305_use_avx) || |
349 |
+ (len < (POLY1305_BLOCK_SIZE * 18) && !state->is_base2_26) || |
350 |
+@@ -102,8 +102,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, |
351 |
+ return; |
352 |
+ } |
353 |
+ |
354 |
+- for (;;) { |
355 |
+- const size_t bytes = min_t(size_t, len, PAGE_SIZE); |
356 |
++ do { |
357 |
++ const size_t bytes = min_t(size_t, len, SZ_4K); |
358 |
+ |
359 |
+ kernel_fpu_begin(); |
360 |
+ if (IS_ENABLED(CONFIG_AS_AVX512) && static_branch_likely(&poly1305_use_avx512)) |
361 |
+@@ -113,11 +113,10 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, |
362 |
+ else |
363 |
+ poly1305_blocks_avx(ctx, inp, bytes, padbit); |
364 |
+ kernel_fpu_end(); |
365 |
++ |
366 |
+ len -= bytes; |
367 |
+- if (!len) |
368 |
+- break; |
369 |
+ inp += bytes; |
370 |
+- } |
371 |
++ } while (len); |
372 |
+ } |
373 |
+ |
374 |
+ static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE], |
375 |
+diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h |
376 |
+index 0789e13ece90..1c7f13bb6728 100644 |
377 |
+--- a/arch/x86/entry/calling.h |
378 |
++++ b/arch/x86/entry/calling.h |
379 |
+@@ -98,13 +98,6 @@ For 32-bit we have the following conventions - kernel is built with |
380 |
+ #define SIZEOF_PTREGS 21*8 |
381 |
+ |
382 |
+ .macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax save_ret=0 |
383 |
+- /* |
384 |
+- * Push registers and sanitize registers of values that a |
385 |
+- * speculation attack might otherwise want to exploit. The |
386 |
+- * lower registers are likely clobbered well before they |
387 |
+- * could be put to use in a speculative execution gadget. |
388 |
+- * Interleave XOR with PUSH for better uop scheduling: |
389 |
+- */ |
390 |
+ .if \save_ret |
391 |
+ pushq %rsi /* pt_regs->si */ |
392 |
+ movq 8(%rsp), %rsi /* temporarily store the return address in %rsi */ |
393 |
+@@ -114,34 +107,43 @@ For 32-bit we have the following conventions - kernel is built with |
394 |
+ pushq %rsi /* pt_regs->si */ |
395 |
+ .endif |
396 |
+ pushq \rdx /* pt_regs->dx */ |
397 |
+- xorl %edx, %edx /* nospec dx */ |
398 |
+ pushq %rcx /* pt_regs->cx */ |
399 |
+- xorl %ecx, %ecx /* nospec cx */ |
400 |
+ pushq \rax /* pt_regs->ax */ |
401 |
+ pushq %r8 /* pt_regs->r8 */ |
402 |
+- xorl %r8d, %r8d /* nospec r8 */ |
403 |
+ pushq %r9 /* pt_regs->r9 */ |
404 |
+- xorl %r9d, %r9d /* nospec r9 */ |
405 |
+ pushq %r10 /* pt_regs->r10 */ |
406 |
+- xorl %r10d, %r10d /* nospec r10 */ |
407 |
+ pushq %r11 /* pt_regs->r11 */ |
408 |
+- xorl %r11d, %r11d /* nospec r11*/ |
409 |
+ pushq %rbx /* pt_regs->rbx */ |
410 |
+- xorl %ebx, %ebx /* nospec rbx*/ |
411 |
+ pushq %rbp /* pt_regs->rbp */ |
412 |
+- xorl %ebp, %ebp /* nospec rbp*/ |
413 |
+ pushq %r12 /* pt_regs->r12 */ |
414 |
+- xorl %r12d, %r12d /* nospec r12*/ |
415 |
+ pushq %r13 /* pt_regs->r13 */ |
416 |
+- xorl %r13d, %r13d /* nospec r13*/ |
417 |
+ pushq %r14 /* pt_regs->r14 */ |
418 |
+- xorl %r14d, %r14d /* nospec r14*/ |
419 |
+ pushq %r15 /* pt_regs->r15 */ |
420 |
+- xorl %r15d, %r15d /* nospec r15*/ |
421 |
+ UNWIND_HINT_REGS |
422 |
++ |
423 |
+ .if \save_ret |
424 |
+ pushq %rsi /* return address on top of stack */ |
425 |
+ .endif |
426 |
++ |
427 |
++ /* |
428 |
++ * Sanitize registers of values that a speculation attack might |
429 |
++ * otherwise want to exploit. The lower registers are likely clobbered |
430 |
++ * well before they could be put to use in a speculative execution |
431 |
++ * gadget. |
432 |
++ */ |
433 |
++ xorl %edx, %edx /* nospec dx */ |
434 |
++ xorl %ecx, %ecx /* nospec cx */ |
435 |
++ xorl %r8d, %r8d /* nospec r8 */ |
436 |
++ xorl %r9d, %r9d /* nospec r9 */ |
437 |
++ xorl %r10d, %r10d /* nospec r10 */ |
438 |
++ xorl %r11d, %r11d /* nospec r11 */ |
439 |
++ xorl %ebx, %ebx /* nospec rbx */ |
440 |
++ xorl %ebp, %ebp /* nospec rbp */ |
441 |
++ xorl %r12d, %r12d /* nospec r12 */ |
442 |
++ xorl %r13d, %r13d /* nospec r13 */ |
443 |
++ xorl %r14d, %r14d /* nospec r14 */ |
444 |
++ xorl %r15d, %r15d /* nospec r15 */ |
445 |
++ |
446 |
+ .endm |
447 |
+ |
448 |
+ .macro POP_REGS pop_rdi=1 skip_r11rcx=0 |
449 |
+diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S |
450 |
+index f2bb91e87877..faa53fee0663 100644 |
451 |
+--- a/arch/x86/entry/entry_64.S |
452 |
++++ b/arch/x86/entry/entry_64.S |
453 |
+@@ -249,7 +249,6 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) |
454 |
+ */ |
455 |
+ syscall_return_via_sysret: |
456 |
+ /* rcx and r11 are already restored (see code above) */ |
457 |
+- UNWIND_HINT_EMPTY |
458 |
+ POP_REGS pop_rdi=0 skip_r11rcx=1 |
459 |
+ |
460 |
+ /* |
461 |
+@@ -258,6 +257,7 @@ syscall_return_via_sysret: |
462 |
+ */ |
463 |
+ movq %rsp, %rdi |
464 |
+ movq PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp |
465 |
++ UNWIND_HINT_EMPTY |
466 |
+ |
467 |
+ pushq RSP-RDI(%rdi) /* RSP */ |
468 |
+ pushq (%rdi) /* RDI */ |
469 |
+@@ -279,8 +279,7 @@ SYM_CODE_END(entry_SYSCALL_64) |
470 |
+ * %rdi: prev task |
471 |
+ * %rsi: next task |
472 |
+ */ |
473 |
+-SYM_CODE_START(__switch_to_asm) |
474 |
+- UNWIND_HINT_FUNC |
475 |
++SYM_FUNC_START(__switch_to_asm) |
476 |
+ /* |
477 |
+ * Save callee-saved registers |
478 |
+ * This must match the order in inactive_task_frame |
479 |
+@@ -321,7 +320,7 @@ SYM_CODE_START(__switch_to_asm) |
480 |
+ popq %rbp |
481 |
+ |
482 |
+ jmp __switch_to |
483 |
+-SYM_CODE_END(__switch_to_asm) |
484 |
++SYM_FUNC_END(__switch_to_asm) |
485 |
+ |
486 |
+ /* |
487 |
+ * A newly forked process directly context switches into this address. |
488 |
+@@ -512,7 +511,7 @@ SYM_CODE_END(spurious_entries_start) |
489 |
+ * +----------------------------------------------------+ |
490 |
+ */ |
491 |
+ SYM_CODE_START(interrupt_entry) |
492 |
+- UNWIND_HINT_FUNC |
493 |
++ UNWIND_HINT_IRET_REGS offset=16 |
494 |
+ ASM_CLAC |
495 |
+ cld |
496 |
+ |
497 |
+@@ -544,9 +543,9 @@ SYM_CODE_START(interrupt_entry) |
498 |
+ pushq 5*8(%rdi) /* regs->eflags */ |
499 |
+ pushq 4*8(%rdi) /* regs->cs */ |
500 |
+ pushq 3*8(%rdi) /* regs->ip */ |
501 |
++ UNWIND_HINT_IRET_REGS |
502 |
+ pushq 2*8(%rdi) /* regs->orig_ax */ |
503 |
+ pushq 8(%rdi) /* return address */ |
504 |
+- UNWIND_HINT_FUNC |
505 |
+ |
506 |
+ movq (%rdi), %rdi |
507 |
+ jmp 2f |
508 |
+@@ -637,6 +636,7 @@ SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL) |
509 |
+ */ |
510 |
+ movq %rsp, %rdi |
511 |
+ movq PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp |
512 |
++ UNWIND_HINT_EMPTY |
513 |
+ |
514 |
+ /* Copy the IRET frame to the trampoline stack. */ |
515 |
+ pushq 6*8(%rdi) /* SS */ |
516 |
+@@ -1739,7 +1739,7 @@ SYM_CODE_START(rewind_stack_do_exit) |
517 |
+ |
518 |
+ movq PER_CPU_VAR(cpu_current_top_of_stack), %rax |
519 |
+ leaq -PTREGS_SIZE(%rax), %rsp |
520 |
+- UNWIND_HINT_FUNC sp_offset=PTREGS_SIZE |
521 |
++ UNWIND_HINT_REGS |
522 |
+ |
523 |
+ call do_exit |
524 |
+ SYM_CODE_END(rewind_stack_do_exit) |
525 |
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h |
526 |
+index d79b40cd8283..7ba99c0759cf 100644 |
527 |
+--- a/arch/x86/include/asm/kvm_host.h |
528 |
++++ b/arch/x86/include/asm/kvm_host.h |
529 |
+@@ -1664,8 +1664,8 @@ void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e, |
530 |
+ static inline bool kvm_irq_is_postable(struct kvm_lapic_irq *irq) |
531 |
+ { |
532 |
+ /* We can only post Fixed and LowPrio IRQs */ |
533 |
+- return (irq->delivery_mode == dest_Fixed || |
534 |
+- irq->delivery_mode == dest_LowestPrio); |
535 |
++ return (irq->delivery_mode == APIC_DM_FIXED || |
536 |
++ irq->delivery_mode == APIC_DM_LOWEST); |
537 |
+ } |
538 |
+ |
539 |
+ static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) |
540 |
+diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h |
541 |
+index 499578f7e6d7..70fc159ebe69 100644 |
542 |
+--- a/arch/x86/include/asm/unwind.h |
543 |
++++ b/arch/x86/include/asm/unwind.h |
544 |
+@@ -19,7 +19,7 @@ struct unwind_state { |
545 |
+ #if defined(CONFIG_UNWINDER_ORC) |
546 |
+ bool signal, full_regs; |
547 |
+ unsigned long sp, bp, ip; |
548 |
+- struct pt_regs *regs; |
549 |
++ struct pt_regs *regs, *prev_regs; |
550 |
+ #elif defined(CONFIG_UNWINDER_FRAME_POINTER) |
551 |
+ bool got_irq; |
552 |
+ unsigned long *bp, *orig_sp, ip; |
553 |
+diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c |
554 |
+index e9cc182aa97e..80537dcbddef 100644 |
555 |
+--- a/arch/x86/kernel/unwind_orc.c |
556 |
++++ b/arch/x86/kernel/unwind_orc.c |
557 |
+@@ -142,9 +142,6 @@ static struct orc_entry *orc_find(unsigned long ip) |
558 |
+ { |
559 |
+ static struct orc_entry *orc; |
560 |
+ |
561 |
+- if (!orc_init) |
562 |
+- return NULL; |
563 |
+- |
564 |
+ if (ip == 0) |
565 |
+ return &null_orc_entry; |
566 |
+ |
567 |
+@@ -381,9 +378,38 @@ static bool deref_stack_iret_regs(struct unwind_state *state, unsigned long addr |
568 |
+ return true; |
569 |
+ } |
570 |
+ |
571 |
++/* |
572 |
++ * If state->regs is non-NULL, and points to a full pt_regs, just get the reg |
573 |
++ * value from state->regs. |
574 |
++ * |
575 |
++ * Otherwise, if state->regs just points to IRET regs, and the previous frame |
576 |
++ * had full regs, it's safe to get the value from the previous regs. This can |
577 |
++ * happen when early/late IRQ entry code gets interrupted by an NMI. |
578 |
++ */ |
579 |
++static bool get_reg(struct unwind_state *state, unsigned int reg_off, |
580 |
++ unsigned long *val) |
581 |
++{ |
582 |
++ unsigned int reg = reg_off/8; |
583 |
++ |
584 |
++ if (!state->regs) |
585 |
++ return false; |
586 |
++ |
587 |
++ if (state->full_regs) { |
588 |
++ *val = ((unsigned long *)state->regs)[reg]; |
589 |
++ return true; |
590 |
++ } |
591 |
++ |
592 |
++ if (state->prev_regs) { |
593 |
++ *val = ((unsigned long *)state->prev_regs)[reg]; |
594 |
++ return true; |
595 |
++ } |
596 |
++ |
597 |
++ return false; |
598 |
++} |
599 |
++ |
600 |
+ bool unwind_next_frame(struct unwind_state *state) |
601 |
+ { |
602 |
+- unsigned long ip_p, sp, orig_ip = state->ip, prev_sp = state->sp; |
603 |
++ unsigned long ip_p, sp, tmp, orig_ip = state->ip, prev_sp = state->sp; |
604 |
+ enum stack_type prev_type = state->stack_info.type; |
605 |
+ struct orc_entry *orc; |
606 |
+ bool indirect = false; |
607 |
+@@ -445,39 +471,35 @@ bool unwind_next_frame(struct unwind_state *state) |
608 |
+ break; |
609 |
+ |
610 |
+ case ORC_REG_R10: |
611 |
+- if (!state->regs || !state->full_regs) { |
612 |
++ if (!get_reg(state, offsetof(struct pt_regs, r10), &sp)) { |
613 |
+ orc_warn("missing regs for base reg R10 at ip %pB\n", |
614 |
+ (void *)state->ip); |
615 |
+ goto err; |
616 |
+ } |
617 |
+- sp = state->regs->r10; |
618 |
+ break; |
619 |
+ |
620 |
+ case ORC_REG_R13: |
621 |
+- if (!state->regs || !state->full_regs) { |
622 |
++ if (!get_reg(state, offsetof(struct pt_regs, r13), &sp)) { |
623 |
+ orc_warn("missing regs for base reg R13 at ip %pB\n", |
624 |
+ (void *)state->ip); |
625 |
+ goto err; |
626 |
+ } |
627 |
+- sp = state->regs->r13; |
628 |
+ break; |
629 |
+ |
630 |
+ case ORC_REG_DI: |
631 |
+- if (!state->regs || !state->full_regs) { |
632 |
++ if (!get_reg(state, offsetof(struct pt_regs, di), &sp)) { |
633 |
+ orc_warn("missing regs for base reg DI at ip %pB\n", |
634 |
+ (void *)state->ip); |
635 |
+ goto err; |
636 |
+ } |
637 |
+- sp = state->regs->di; |
638 |
+ break; |
639 |
+ |
640 |
+ case ORC_REG_DX: |
641 |
+- if (!state->regs || !state->full_regs) { |
642 |
++ if (!get_reg(state, offsetof(struct pt_regs, dx), &sp)) { |
643 |
+ orc_warn("missing regs for base reg DX at ip %pB\n", |
644 |
+ (void *)state->ip); |
645 |
+ goto err; |
646 |
+ } |
647 |
+- sp = state->regs->dx; |
648 |
+ break; |
649 |
+ |
650 |
+ default: |
651 |
+@@ -504,6 +526,7 @@ bool unwind_next_frame(struct unwind_state *state) |
652 |
+ |
653 |
+ state->sp = sp; |
654 |
+ state->regs = NULL; |
655 |
++ state->prev_regs = NULL; |
656 |
+ state->signal = false; |
657 |
+ break; |
658 |
+ |
659 |
+@@ -515,6 +538,7 @@ bool unwind_next_frame(struct unwind_state *state) |
660 |
+ } |
661 |
+ |
662 |
+ state->regs = (struct pt_regs *)sp; |
663 |
++ state->prev_regs = NULL; |
664 |
+ state->full_regs = true; |
665 |
+ state->signal = true; |
666 |
+ break; |
667 |
+@@ -526,6 +550,8 @@ bool unwind_next_frame(struct unwind_state *state) |
668 |
+ goto err; |
669 |
+ } |
670 |
+ |
671 |
++ if (state->full_regs) |
672 |
++ state->prev_regs = state->regs; |
673 |
+ state->regs = (void *)sp - IRET_FRAME_OFFSET; |
674 |
+ state->full_regs = false; |
675 |
+ state->signal = true; |
676 |
+@@ -534,14 +560,14 @@ bool unwind_next_frame(struct unwind_state *state) |
677 |
+ default: |
678 |
+ orc_warn("unknown .orc_unwind entry type %d for ip %pB\n", |
679 |
+ orc->type, (void *)orig_ip); |
680 |
+- break; |
681 |
++ goto err; |
682 |
+ } |
683 |
+ |
684 |
+ /* Find BP: */ |
685 |
+ switch (orc->bp_reg) { |
686 |
+ case ORC_REG_UNDEFINED: |
687 |
+- if (state->regs && state->full_regs) |
688 |
+- state->bp = state->regs->bp; |
689 |
++ if (get_reg(state, offsetof(struct pt_regs, bp), &tmp)) |
690 |
++ state->bp = tmp; |
691 |
+ break; |
692 |
+ |
693 |
+ case ORC_REG_PREV_SP: |
694 |
+@@ -585,6 +611,9 @@ EXPORT_SYMBOL_GPL(unwind_next_frame); |
695 |
+ void __unwind_start(struct unwind_state *state, struct task_struct *task, |
696 |
+ struct pt_regs *regs, unsigned long *first_frame) |
697 |
+ { |
698 |
++ if (!orc_init) |
699 |
++ goto done; |
700 |
++ |
701 |
+ memset(state, 0, sizeof(*state)); |
702 |
+ state->task = task; |
703 |
+ |
704 |
+@@ -651,7 +680,7 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task, |
705 |
+ /* Otherwise, skip ahead to the user-specified starting frame: */ |
706 |
+ while (!unwind_done(state) && |
707 |
+ (!on_stack(&state->stack_info, first_frame, sizeof(long)) || |
708 |
+- state->sp <= (unsigned long)first_frame)) |
709 |
++ state->sp < (unsigned long)first_frame)) |
710 |
+ unwind_next_frame(state); |
711 |
+ |
712 |
+ return; |
713 |
+diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c |
714 |
+index 750ff0b29404..d057376bd3d3 100644 |
715 |
+--- a/arch/x86/kvm/ioapic.c |
716 |
++++ b/arch/x86/kvm/ioapic.c |
717 |
+@@ -225,12 +225,12 @@ static int ioapic_set_irq(struct kvm_ioapic *ioapic, unsigned int irq, |
718 |
+ } |
719 |
+ |
720 |
+ /* |
721 |
+- * AMD SVM AVIC accelerate EOI write and do not trap, |
722 |
+- * in-kernel IOAPIC will not be able to receive the EOI. |
723 |
+- * In this case, we do lazy update of the pending EOI when |
724 |
+- * trying to set IOAPIC irq. |
725 |
++ * AMD SVM AVIC accelerate EOI write iff the interrupt is edge |
726 |
++ * triggered, in which case the in-kernel IOAPIC will not be able |
727 |
++ * to receive the EOI. In this case, we do a lazy update of the |
728 |
++ * pending EOI when trying to set IOAPIC irq. |
729 |
+ */ |
730 |
+- if (kvm_apicv_activated(ioapic->kvm)) |
731 |
++ if (edge && kvm_apicv_activated(ioapic->kvm)) |
732 |
+ ioapic_lazy_update_eoi(ioapic, irq); |
733 |
+ |
734 |
+ /* |
735 |
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c |
736 |
+index 451377533bcb..c974c49221eb 100644 |
737 |
+--- a/arch/x86/kvm/svm.c |
738 |
++++ b/arch/x86/kvm/svm.c |
739 |
+@@ -1886,7 +1886,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr, |
740 |
+ return NULL; |
741 |
+ |
742 |
+ /* Pin the user virtual address. */ |
743 |
+- npinned = get_user_pages_fast(uaddr, npages, FOLL_WRITE, pages); |
744 |
++ npinned = get_user_pages_fast(uaddr, npages, write ? FOLL_WRITE : 0, pages); |
745 |
+ if (npinned != npages) { |
746 |
+ pr_err("SEV: Failure locking %lu pages.\n", npages); |
747 |
+ goto err; |
748 |
+diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S |
749 |
+index 861ae40e7144..99410f372c41 100644 |
750 |
+--- a/arch/x86/kvm/vmx/vmenter.S |
751 |
++++ b/arch/x86/kvm/vmx/vmenter.S |
752 |
+@@ -86,6 +86,9 @@ SYM_FUNC_START(vmx_vmexit) |
753 |
+ /* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */ |
754 |
+ FILL_RETURN_BUFFER %_ASM_AX, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE |
755 |
+ |
756 |
++ /* Clear RFLAGS.CF and RFLAGS.ZF to preserve VM-Exit, i.e. !VM-Fail. */ |
757 |
++ or $1, %_ASM_AX |
758 |
++ |
759 |
+ pop %_ASM_AX |
760 |
+ .Lvmexit_skip_rsb: |
761 |
+ #endif |
762 |
+diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c |
763 |
+index c4aedd00c1ba..7ab317e3184e 100644 |
764 |
+--- a/arch/x86/mm/pat/set_memory.c |
765 |
++++ b/arch/x86/mm/pat/set_memory.c |
766 |
+@@ -42,7 +42,8 @@ struct cpa_data { |
767 |
+ unsigned long pfn; |
768 |
+ unsigned int flags; |
769 |
+ unsigned int force_split : 1, |
770 |
+- force_static_prot : 1; |
771 |
++ force_static_prot : 1, |
772 |
++ force_flush_all : 1; |
773 |
+ struct page **pages; |
774 |
+ }; |
775 |
+ |
776 |
+@@ -352,10 +353,10 @@ static void cpa_flush(struct cpa_data *data, int cache) |
777 |
+ return; |
778 |
+ } |
779 |
+ |
780 |
+- if (cpa->numpages <= tlb_single_page_flush_ceiling) |
781 |
+- on_each_cpu(__cpa_flush_tlb, cpa, 1); |
782 |
+- else |
783 |
++ if (cpa->force_flush_all || cpa->numpages > tlb_single_page_flush_ceiling) |
784 |
+ flush_tlb_all(); |
785 |
++ else |
786 |
++ on_each_cpu(__cpa_flush_tlb, cpa, 1); |
787 |
+ |
788 |
+ if (!cache) |
789 |
+ return; |
790 |
+@@ -1595,6 +1596,8 @@ static int cpa_process_alias(struct cpa_data *cpa) |
791 |
+ alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY); |
792 |
+ alias_cpa.curpage = 0; |
793 |
+ |
794 |
++ cpa->force_flush_all = 1; |
795 |
++ |
796 |
+ ret = __change_page_attr_set_clr(&alias_cpa, 0); |
797 |
+ if (ret) |
798 |
+ return ret; |
799 |
+@@ -1615,6 +1618,7 @@ static int cpa_process_alias(struct cpa_data *cpa) |
800 |
+ alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY); |
801 |
+ alias_cpa.curpage = 0; |
802 |
+ |
803 |
++ cpa->force_flush_all = 1; |
804 |
+ /* |
805 |
+ * The high mapping range is imprecise, so ignore the |
806 |
+ * return value. |
807 |
+diff --git a/block/blk-iocost.c b/block/blk-iocost.c |
808 |
+index 2dc5dc54e257..d083f7704082 100644 |
809 |
+--- a/block/blk-iocost.c |
810 |
++++ b/block/blk-iocost.c |
811 |
+@@ -469,7 +469,7 @@ struct ioc_gq { |
812 |
+ */ |
813 |
+ atomic64_t vtime; |
814 |
+ atomic64_t done_vtime; |
815 |
+- atomic64_t abs_vdebt; |
816 |
++ u64 abs_vdebt; |
817 |
+ u64 last_vtime; |
818 |
+ |
819 |
+ /* |
820 |
+@@ -1145,7 +1145,7 @@ static void iocg_kick_waitq(struct ioc_gq *iocg, struct ioc_now *now) |
821 |
+ struct iocg_wake_ctx ctx = { .iocg = iocg }; |
822 |
+ u64 margin_ns = (u64)(ioc->period_us * |
823 |
+ WAITQ_TIMER_MARGIN_PCT / 100) * NSEC_PER_USEC; |
824 |
+- u64 abs_vdebt, vdebt, vshortage, expires, oexpires; |
825 |
++ u64 vdebt, vshortage, expires, oexpires; |
826 |
+ s64 vbudget; |
827 |
+ u32 hw_inuse; |
828 |
+ |
829 |
+@@ -1155,18 +1155,15 @@ static void iocg_kick_waitq(struct ioc_gq *iocg, struct ioc_now *now) |
830 |
+ vbudget = now->vnow - atomic64_read(&iocg->vtime); |
831 |
+ |
832 |
+ /* pay off debt */ |
833 |
+- abs_vdebt = atomic64_read(&iocg->abs_vdebt); |
834 |
+- vdebt = abs_cost_to_cost(abs_vdebt, hw_inuse); |
835 |
++ vdebt = abs_cost_to_cost(iocg->abs_vdebt, hw_inuse); |
836 |
+ if (vdebt && vbudget > 0) { |
837 |
+ u64 delta = min_t(u64, vbudget, vdebt); |
838 |
+ u64 abs_delta = min(cost_to_abs_cost(delta, hw_inuse), |
839 |
+- abs_vdebt); |
840 |
++ iocg->abs_vdebt); |
841 |
+ |
842 |
+ atomic64_add(delta, &iocg->vtime); |
843 |
+ atomic64_add(delta, &iocg->done_vtime); |
844 |
+- atomic64_sub(abs_delta, &iocg->abs_vdebt); |
845 |
+- if (WARN_ON_ONCE(atomic64_read(&iocg->abs_vdebt) < 0)) |
846 |
+- atomic64_set(&iocg->abs_vdebt, 0); |
847 |
++ iocg->abs_vdebt -= abs_delta; |
848 |
+ } |
849 |
+ |
850 |
+ /* |
851 |
+@@ -1222,12 +1219,18 @@ static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now, u64 cost) |
852 |
+ u64 expires, oexpires; |
853 |
+ u32 hw_inuse; |
854 |
+ |
855 |
++ lockdep_assert_held(&iocg->waitq.lock); |
856 |
++ |
857 |
+ /* debt-adjust vtime */ |
858 |
+ current_hweight(iocg, NULL, &hw_inuse); |
859 |
+- vtime += abs_cost_to_cost(atomic64_read(&iocg->abs_vdebt), hw_inuse); |
860 |
++ vtime += abs_cost_to_cost(iocg->abs_vdebt, hw_inuse); |
861 |
+ |
862 |
+- /* clear or maintain depending on the overage */ |
863 |
+- if (time_before_eq64(vtime, now->vnow)) { |
864 |
++ /* |
865 |
++ * Clear or maintain depending on the overage. Non-zero vdebt is what |
866 |
++ * guarantees that @iocg is online and future iocg_kick_delay() will |
867 |
++ * clear use_delay. Don't leave it on when there's no vdebt. |
868 |
++ */ |
869 |
++ if (!iocg->abs_vdebt || time_before_eq64(vtime, now->vnow)) { |
870 |
+ blkcg_clear_delay(blkg); |
871 |
+ return false; |
872 |
+ } |
873 |
+@@ -1261,9 +1264,12 @@ static enum hrtimer_restart iocg_delay_timer_fn(struct hrtimer *timer) |
874 |
+ { |
875 |
+ struct ioc_gq *iocg = container_of(timer, struct ioc_gq, delay_timer); |
876 |
+ struct ioc_now now; |
877 |
++ unsigned long flags; |
878 |
+ |
879 |
++ spin_lock_irqsave(&iocg->waitq.lock, flags); |
880 |
+ ioc_now(iocg->ioc, &now); |
881 |
+ iocg_kick_delay(iocg, &now, 0); |
882 |
++ spin_unlock_irqrestore(&iocg->waitq.lock, flags); |
883 |
+ |
884 |
+ return HRTIMER_NORESTART; |
885 |
+ } |
886 |
+@@ -1371,14 +1377,13 @@ static void ioc_timer_fn(struct timer_list *timer) |
887 |
+ * should have woken up in the last period and expire idle iocgs. |
888 |
+ */ |
889 |
+ list_for_each_entry_safe(iocg, tiocg, &ioc->active_iocgs, active_list) { |
890 |
+- if (!waitqueue_active(&iocg->waitq) && |
891 |
+- !atomic64_read(&iocg->abs_vdebt) && !iocg_is_idle(iocg)) |
892 |
++ if (!waitqueue_active(&iocg->waitq) && iocg->abs_vdebt && |
893 |
++ !iocg_is_idle(iocg)) |
894 |
+ continue; |
895 |
+ |
896 |
+ spin_lock(&iocg->waitq.lock); |
897 |
+ |
898 |
+- if (waitqueue_active(&iocg->waitq) || |
899 |
+- atomic64_read(&iocg->abs_vdebt)) { |
900 |
++ if (waitqueue_active(&iocg->waitq) || iocg->abs_vdebt) { |
901 |
+ /* might be oversleeping vtime / hweight changes, kick */ |
902 |
+ iocg_kick_waitq(iocg, &now); |
903 |
+ iocg_kick_delay(iocg, &now, 0); |
904 |
+@@ -1721,28 +1726,49 @@ static void ioc_rqos_throttle(struct rq_qos *rqos, struct bio *bio) |
905 |
+ * tests are racy but the races aren't systemic - we only miss once |
906 |
+ * in a while which is fine. |
907 |
+ */ |
908 |
+- if (!waitqueue_active(&iocg->waitq) && |
909 |
+- !atomic64_read(&iocg->abs_vdebt) && |
910 |
++ if (!waitqueue_active(&iocg->waitq) && !iocg->abs_vdebt && |
911 |
+ time_before_eq64(vtime + cost, now.vnow)) { |
912 |
+ iocg_commit_bio(iocg, bio, cost); |
913 |
+ return; |
914 |
+ } |
915 |
+ |
916 |
+ /* |
917 |
+- * We're over budget. If @bio has to be issued regardless, |
918 |
+- * remember the abs_cost instead of advancing vtime. |
919 |
+- * iocg_kick_waitq() will pay off the debt before waking more IOs. |
920 |
++ * We activated above but w/o any synchronization. Deactivation is |
921 |
++ * synchronized with waitq.lock and we won't get deactivated as long |
922 |
++ * as we're waiting or has debt, so we're good if we're activated |
923 |
++ * here. In the unlikely case that we aren't, just issue the IO. |
924 |
++ */ |
925 |
++ spin_lock_irq(&iocg->waitq.lock); |
926 |
++ |
927 |
++ if (unlikely(list_empty(&iocg->active_list))) { |
928 |
++ spin_unlock_irq(&iocg->waitq.lock); |
929 |
++ iocg_commit_bio(iocg, bio, cost); |
930 |
++ return; |
931 |
++ } |
932 |
++ |
933 |
++ /* |
934 |
++ * We're over budget. If @bio has to be issued regardless, remember |
935 |
++ * the abs_cost instead of advancing vtime. iocg_kick_waitq() will pay |
936 |
++ * off the debt before waking more IOs. |
937 |
++ * |
938 |
+ * This way, the debt is continuously paid off each period with the |
939 |
+- * actual budget available to the cgroup. If we just wound vtime, |
940 |
+- * we would incorrectly use the current hw_inuse for the entire |
941 |
+- * amount which, for example, can lead to the cgroup staying |
942 |
+- * blocked for a long time even with substantially raised hw_inuse. |
943 |
++ * actual budget available to the cgroup. If we just wound vtime, we |
944 |
++ * would incorrectly use the current hw_inuse for the entire amount |
945 |
++ * which, for example, can lead to the cgroup staying blocked for a |
946 |
++ * long time even with substantially raised hw_inuse. |
947 |
++ * |
948 |
++ * An iocg with vdebt should stay online so that the timer can keep |
949 |
++ * deducting its vdebt and [de]activate use_delay mechanism |
950 |
++ * accordingly. We don't want to race against the timer trying to |
951 |
++ * clear them and leave @iocg inactive w/ dangling use_delay heavily |
952 |
++ * penalizing the cgroup and its descendants. |
953 |
+ */ |
954 |
+ if (bio_issue_as_root_blkg(bio) || fatal_signal_pending(current)) { |
955 |
+- atomic64_add(abs_cost, &iocg->abs_vdebt); |
956 |
++ iocg->abs_vdebt += abs_cost; |
957 |
+ if (iocg_kick_delay(iocg, &now, cost)) |
958 |
+ blkcg_schedule_throttle(rqos->q, |
959 |
+ (bio->bi_opf & REQ_SWAP) == REQ_SWAP); |
960 |
++ spin_unlock_irq(&iocg->waitq.lock); |
961 |
+ return; |
962 |
+ } |
963 |
+ |
964 |
+@@ -1759,20 +1785,6 @@ static void ioc_rqos_throttle(struct rq_qos *rqos, struct bio *bio) |
965 |
+ * All waiters are on iocg->waitq and the wait states are |
966 |
+ * synchronized using waitq.lock. |
967 |
+ */ |
968 |
+- spin_lock_irq(&iocg->waitq.lock); |
969 |
+- |
970 |
+- /* |
971 |
+- * We activated above but w/o any synchronization. Deactivation is |
972 |
+- * synchronized with waitq.lock and we won't get deactivated as |
973 |
+- * long as we're waiting, so we're good if we're activated here. |
974 |
+- * In the unlikely case that we are deactivated, just issue the IO. |
975 |
+- */ |
976 |
+- if (unlikely(list_empty(&iocg->active_list))) { |
977 |
+- spin_unlock_irq(&iocg->waitq.lock); |
978 |
+- iocg_commit_bio(iocg, bio, cost); |
979 |
+- return; |
980 |
+- } |
981 |
+- |
982 |
+ init_waitqueue_func_entry(&wait.wait, iocg_wake_fn); |
983 |
+ wait.wait.private = current; |
984 |
+ wait.bio = bio; |
985 |
+@@ -1804,6 +1816,7 @@ static void ioc_rqos_merge(struct rq_qos *rqos, struct request *rq, |
986 |
+ struct ioc_now now; |
987 |
+ u32 hw_inuse; |
988 |
+ u64 abs_cost, cost; |
989 |
++ unsigned long flags; |
990 |
+ |
991 |
+ /* bypass if disabled or for root cgroup */ |
992 |
+ if (!ioc->enabled || !iocg->level) |
993 |
+@@ -1823,15 +1836,28 @@ static void ioc_rqos_merge(struct rq_qos *rqos, struct request *rq, |
994 |
+ iocg->cursor = bio_end; |
995 |
+ |
996 |
+ /* |
997 |
+- * Charge if there's enough vtime budget and the existing request |
998 |
+- * has cost assigned. Otherwise, account it as debt. See debt |
999 |
+- * handling in ioc_rqos_throttle() for details. |
1000 |
++ * Charge if there's enough vtime budget and the existing request has |
1001 |
++ * cost assigned. |
1002 |
+ */ |
1003 |
+ if (rq->bio && rq->bio->bi_iocost_cost && |
1004 |
+- time_before_eq64(atomic64_read(&iocg->vtime) + cost, now.vnow)) |
1005 |
++ time_before_eq64(atomic64_read(&iocg->vtime) + cost, now.vnow)) { |
1006 |
+ iocg_commit_bio(iocg, bio, cost); |
1007 |
+- else |
1008 |
+- atomic64_add(abs_cost, &iocg->abs_vdebt); |
1009 |
++ return; |
1010 |
++ } |
1011 |
++ |
1012 |
++ /* |
1013 |
++ * Otherwise, account it as debt if @iocg is online, which it should |
1014 |
++ * be for the vast majority of cases. See debt handling in |
1015 |
++ * ioc_rqos_throttle() for details. |
1016 |
++ */ |
1017 |
++ spin_lock_irqsave(&iocg->waitq.lock, flags); |
1018 |
++ if (likely(!list_empty(&iocg->active_list))) { |
1019 |
++ iocg->abs_vdebt += abs_cost; |
1020 |
++ iocg_kick_delay(iocg, &now, cost); |
1021 |
++ } else { |
1022 |
++ iocg_commit_bio(iocg, bio, cost); |
1023 |
++ } |
1024 |
++ spin_unlock_irqrestore(&iocg->waitq.lock, flags); |
1025 |
+ } |
1026 |
+ |
1027 |
+ static void ioc_rqos_done_bio(struct rq_qos *rqos, struct bio *bio) |
1028 |
+@@ -2001,7 +2027,6 @@ static void ioc_pd_init(struct blkg_policy_data *pd) |
1029 |
+ iocg->ioc = ioc; |
1030 |
+ atomic64_set(&iocg->vtime, now.vnow); |
1031 |
+ atomic64_set(&iocg->done_vtime, now.vnow); |
1032 |
+- atomic64_set(&iocg->abs_vdebt, 0); |
1033 |
+ atomic64_set(&iocg->active_period, atomic64_read(&ioc->cur_period)); |
1034 |
+ INIT_LIST_HEAD(&iocg->active_list); |
1035 |
+ iocg->hweight_active = HWEIGHT_WHOLE; |
1036 |
+diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c |
1037 |
+index fe1523664816..8558b629880b 100644 |
1038 |
+--- a/drivers/amba/bus.c |
1039 |
++++ b/drivers/amba/bus.c |
1040 |
+@@ -645,6 +645,7 @@ static void amba_device_initialize(struct amba_device *dev, const char *name) |
1041 |
+ dev->dev.release = amba_device_release; |
1042 |
+ dev->dev.bus = &amba_bustype; |
1043 |
+ dev->dev.dma_mask = &dev->dev.coherent_dma_mask; |
1044 |
++ dev->dev.dma_parms = &dev->dma_parms; |
1045 |
+ dev->res.name = dev_name(&dev->dev); |
1046 |
+ } |
1047 |
+ |
1048 |
+diff --git a/drivers/base/platform.c b/drivers/base/platform.c |
1049 |
+index b5ce7b085795..c81b68d5d66d 100644 |
1050 |
+--- a/drivers/base/platform.c |
1051 |
++++ b/drivers/base/platform.c |
1052 |
+@@ -361,6 +361,8 @@ struct platform_object { |
1053 |
+ */ |
1054 |
+ static void setup_pdev_dma_masks(struct platform_device *pdev) |
1055 |
+ { |
1056 |
++ pdev->dev.dma_parms = &pdev->dma_parms; |
1057 |
++ |
1058 |
+ if (!pdev->dev.coherent_dma_mask) |
1059 |
+ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
1060 |
+ if (!pdev->dev.dma_mask) { |
1061 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |
1062 |
+index f184cdca938d..5fcbacddb9b0 100644 |
1063 |
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |
1064 |
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |
1065 |
+@@ -3325,15 +3325,12 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
1066 |
+ } |
1067 |
+ } |
1068 |
+ |
1069 |
+- amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
1070 |
+- amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
1071 |
+- |
1072 |
+- amdgpu_amdkfd_suspend(adev); |
1073 |
+- |
1074 |
+ amdgpu_ras_suspend(adev); |
1075 |
+ |
1076 |
+ r = amdgpu_device_ip_suspend_phase1(adev); |
1077 |
+ |
1078 |
++ amdgpu_amdkfd_suspend(adev); |
1079 |
++ |
1080 |
+ /* evict vram memory */ |
1081 |
+ amdgpu_bo_evict_vram(adev); |
1082 |
+ |
1083 |
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c |
1084 |
+index e310d67c399a..1b0bca9587d0 100644 |
1085 |
+--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c |
1086 |
++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c |
1087 |
+@@ -3034,25 +3034,32 @@ validate_out: |
1088 |
+ return out; |
1089 |
+ } |
1090 |
+ |
1091 |
+- |
1092 |
+-bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, |
1093 |
+- bool fast_validate) |
1094 |
++/* |
1095 |
++ * This must be noinline to ensure anything that deals with FP registers |
1096 |
++ * is contained within this call; previously our compiling with hard-float |
1097 |
++ * would result in fp instructions being emitted outside of the boundaries |
1098 |
++ * of the DC_FP_START/END macros, which makes sense as the compiler has no |
1099 |
++ * idea about what is wrapped and what is not |
1100 |
++ * |
1101 |
++ * This is largely just a workaround to avoid breakage introduced with 5.6, |
1102 |
++ * ideally all fp-using code should be moved into its own file, only that |
1103 |
++ * should be compiled with hard-float, and all code exported from there |
1104 |
++ * should be strictly wrapped with DC_FP_START/END |
1105 |
++ */ |
1106 |
++static noinline bool dcn20_validate_bandwidth_fp(struct dc *dc, |
1107 |
++ struct dc_state *context, bool fast_validate) |
1108 |
+ { |
1109 |
+ bool voltage_supported = false; |
1110 |
+ bool full_pstate_supported = false; |
1111 |
+ bool dummy_pstate_supported = false; |
1112 |
+ double p_state_latency_us; |
1113 |
+ |
1114 |
+- DC_FP_START(); |
1115 |
+ p_state_latency_us = context->bw_ctx.dml.soc.dram_clock_change_latency_us; |
1116 |
+ context->bw_ctx.dml.soc.disable_dram_clock_change_vactive_support = |
1117 |
+ dc->debug.disable_dram_clock_change_vactive_support; |
1118 |
+ |
1119 |
+ if (fast_validate) { |
1120 |
+- voltage_supported = dcn20_validate_bandwidth_internal(dc, context, true); |
1121 |
+- |
1122 |
+- DC_FP_END(); |
1123 |
+- return voltage_supported; |
1124 |
++ return dcn20_validate_bandwidth_internal(dc, context, true); |
1125 |
+ } |
1126 |
+ |
1127 |
+ // Best case, we support full UCLK switch latency |
1128 |
+@@ -3081,7 +3088,15 @@ bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, |
1129 |
+ |
1130 |
+ restore_dml_state: |
1131 |
+ context->bw_ctx.dml.soc.dram_clock_change_latency_us = p_state_latency_us; |
1132 |
++ return voltage_supported; |
1133 |
++} |
1134 |
+ |
1135 |
++bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, |
1136 |
++ bool fast_validate) |
1137 |
++{ |
1138 |
++ bool voltage_supported = false; |
1139 |
++ DC_FP_START(); |
1140 |
++ voltage_supported = dcn20_validate_bandwidth_fp(dc, context, fast_validate); |
1141 |
+ DC_FP_END(); |
1142 |
+ return voltage_supported; |
1143 |
+ } |
1144 |
+diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c |
1145 |
+index 6d47ef7b148c..bcba2f024842 100644 |
1146 |
+--- a/drivers/gpu/drm/ingenic/ingenic-drm.c |
1147 |
++++ b/drivers/gpu/drm/ingenic/ingenic-drm.c |
1148 |
+@@ -843,6 +843,7 @@ static const struct of_device_id ingenic_drm_of_match[] = { |
1149 |
+ { .compatible = "ingenic,jz4770-lcd", .data = &jz4770_soc_info }, |
1150 |
+ { /* sentinel */ }, |
1151 |
+ }; |
1152 |
++MODULE_DEVICE_TABLE(of, ingenic_drm_of_match); |
1153 |
+ |
1154 |
+ static struct platform_driver ingenic_drm_driver = { |
1155 |
+ .driver = { |
1156 |
+diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c |
1157 |
+index c7bc9db5b192..17a638f15082 100644 |
1158 |
+--- a/drivers/hid/usbhid/hid-core.c |
1159 |
++++ b/drivers/hid/usbhid/hid-core.c |
1160 |
+@@ -682,16 +682,21 @@ static int usbhid_open(struct hid_device *hid) |
1161 |
+ struct usbhid_device *usbhid = hid->driver_data; |
1162 |
+ int res; |
1163 |
+ |
1164 |
++ mutex_lock(&usbhid->mutex); |
1165 |
++ |
1166 |
+ set_bit(HID_OPENED, &usbhid->iofl); |
1167 |
+ |
1168 |
+- if (hid->quirks & HID_QUIRK_ALWAYS_POLL) |
1169 |
+- return 0; |
1170 |
++ if (hid->quirks & HID_QUIRK_ALWAYS_POLL) { |
1171 |
++ res = 0; |
1172 |
++ goto Done; |
1173 |
++ } |
1174 |
+ |
1175 |
+ res = usb_autopm_get_interface(usbhid->intf); |
1176 |
+ /* the device must be awake to reliably request remote wakeup */ |
1177 |
+ if (res < 0) { |
1178 |
+ clear_bit(HID_OPENED, &usbhid->iofl); |
1179 |
+- return -EIO; |
1180 |
++ res = -EIO; |
1181 |
++ goto Done; |
1182 |
+ } |
1183 |
+ |
1184 |
+ usbhid->intf->needs_remote_wakeup = 1; |
1185 |
+@@ -725,6 +730,9 @@ static int usbhid_open(struct hid_device *hid) |
1186 |
+ msleep(50); |
1187 |
+ |
1188 |
+ clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); |
1189 |
++ |
1190 |
++ Done: |
1191 |
++ mutex_unlock(&usbhid->mutex); |
1192 |
+ return res; |
1193 |
+ } |
1194 |
+ |
1195 |
+@@ -732,6 +740,8 @@ static void usbhid_close(struct hid_device *hid) |
1196 |
+ { |
1197 |
+ struct usbhid_device *usbhid = hid->driver_data; |
1198 |
+ |
1199 |
++ mutex_lock(&usbhid->mutex); |
1200 |
++ |
1201 |
+ /* |
1202 |
+ * Make sure we don't restart data acquisition due to |
1203 |
+ * a resumption we no longer care about by avoiding racing |
1204 |
+@@ -743,12 +753,13 @@ static void usbhid_close(struct hid_device *hid) |
1205 |
+ clear_bit(HID_IN_POLLING, &usbhid->iofl); |
1206 |
+ spin_unlock_irq(&usbhid->lock); |
1207 |
+ |
1208 |
+- if (hid->quirks & HID_QUIRK_ALWAYS_POLL) |
1209 |
+- return; |
1210 |
++ if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) { |
1211 |
++ hid_cancel_delayed_stuff(usbhid); |
1212 |
++ usb_kill_urb(usbhid->urbin); |
1213 |
++ usbhid->intf->needs_remote_wakeup = 0; |
1214 |
++ } |
1215 |
+ |
1216 |
+- hid_cancel_delayed_stuff(usbhid); |
1217 |
+- usb_kill_urb(usbhid->urbin); |
1218 |
+- usbhid->intf->needs_remote_wakeup = 0; |
1219 |
++ mutex_unlock(&usbhid->mutex); |
1220 |
+ } |
1221 |
+ |
1222 |
+ /* |
1223 |
+@@ -1057,6 +1068,8 @@ static int usbhid_start(struct hid_device *hid) |
1224 |
+ unsigned int n, insize = 0; |
1225 |
+ int ret; |
1226 |
+ |
1227 |
++ mutex_lock(&usbhid->mutex); |
1228 |
++ |
1229 |
+ clear_bit(HID_DISCONNECTED, &usbhid->iofl); |
1230 |
+ |
1231 |
+ usbhid->bufsize = HID_MIN_BUFFER_SIZE; |
1232 |
+@@ -1177,6 +1190,8 @@ static int usbhid_start(struct hid_device *hid) |
1233 |
+ usbhid_set_leds(hid); |
1234 |
+ device_set_wakeup_enable(&dev->dev, 1); |
1235 |
+ } |
1236 |
++ |
1237 |
++ mutex_unlock(&usbhid->mutex); |
1238 |
+ return 0; |
1239 |
+ |
1240 |
+ fail: |
1241 |
+@@ -1187,6 +1202,7 @@ fail: |
1242 |
+ usbhid->urbout = NULL; |
1243 |
+ usbhid->urbctrl = NULL; |
1244 |
+ hid_free_buffers(dev, hid); |
1245 |
++ mutex_unlock(&usbhid->mutex); |
1246 |
+ return ret; |
1247 |
+ } |
1248 |
+ |
1249 |
+@@ -1202,6 +1218,8 @@ static void usbhid_stop(struct hid_device *hid) |
1250 |
+ usbhid->intf->needs_remote_wakeup = 0; |
1251 |
+ } |
1252 |
+ |
1253 |
++ mutex_lock(&usbhid->mutex); |
1254 |
++ |
1255 |
+ clear_bit(HID_STARTED, &usbhid->iofl); |
1256 |
+ spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ |
1257 |
+ set_bit(HID_DISCONNECTED, &usbhid->iofl); |
1258 |
+@@ -1222,6 +1240,8 @@ static void usbhid_stop(struct hid_device *hid) |
1259 |
+ usbhid->urbout = NULL; |
1260 |
+ |
1261 |
+ hid_free_buffers(hid_to_usb_dev(hid), hid); |
1262 |
++ |
1263 |
++ mutex_unlock(&usbhid->mutex); |
1264 |
+ } |
1265 |
+ |
1266 |
+ static int usbhid_power(struct hid_device *hid, int lvl) |
1267 |
+@@ -1382,6 +1402,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * |
1268 |
+ INIT_WORK(&usbhid->reset_work, hid_reset); |
1269 |
+ timer_setup(&usbhid->io_retry, hid_retry_timeout, 0); |
1270 |
+ spin_lock_init(&usbhid->lock); |
1271 |
++ mutex_init(&usbhid->mutex); |
1272 |
+ |
1273 |
+ ret = hid_add_device(hid); |
1274 |
+ if (ret) { |
1275 |
+diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h |
1276 |
+index 8620408bd7af..75fe85d3d27a 100644 |
1277 |
+--- a/drivers/hid/usbhid/usbhid.h |
1278 |
++++ b/drivers/hid/usbhid/usbhid.h |
1279 |
+@@ -80,6 +80,7 @@ struct usbhid_device { |
1280 |
+ dma_addr_t outbuf_dma; /* Output buffer dma */ |
1281 |
+ unsigned long last_out; /* record of last output for timeouts */ |
1282 |
+ |
1283 |
++ struct mutex mutex; /* start/stop/open/close */ |
1284 |
+ spinlock_t lock; /* fifo spinlock */ |
1285 |
+ unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ |
1286 |
+ struct timer_list io_retry; /* Retry timer */ |
1287 |
+diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c |
1288 |
+index 5ded94b7bf68..cd71e7133944 100644 |
1289 |
+--- a/drivers/hid/wacom_sys.c |
1290 |
++++ b/drivers/hid/wacom_sys.c |
1291 |
+@@ -319,9 +319,11 @@ static void wacom_feature_mapping(struct hid_device *hdev, |
1292 |
+ data[0] = field->report->id; |
1293 |
+ ret = wacom_get_report(hdev, HID_FEATURE_REPORT, |
1294 |
+ data, n, WAC_CMD_RETRIES); |
1295 |
+- if (ret == n) { |
1296 |
++ if (ret == n && features->type == HID_GENERIC) { |
1297 |
+ ret = hid_report_raw_event(hdev, |
1298 |
+ HID_FEATURE_REPORT, data, n, 0); |
1299 |
++ } else if (ret == 2 && features->type != HID_GENERIC) { |
1300 |
++ features->touch_max = data[1]; |
1301 |
+ } else { |
1302 |
+ features->touch_max = 16; |
1303 |
+ hid_warn(hdev, "wacom_feature_mapping: " |
1304 |
+diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c |
1305 |
+index d99a9d407671..1c96809b51c9 100644 |
1306 |
+--- a/drivers/hid/wacom_wac.c |
1307 |
++++ b/drivers/hid/wacom_wac.c |
1308 |
+@@ -1427,11 +1427,13 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) |
1309 |
+ { |
1310 |
+ struct input_dev *pad_input = wacom->pad_input; |
1311 |
+ unsigned char *data = wacom->data; |
1312 |
++ int nbuttons = wacom->features.numbered_buttons; |
1313 |
+ |
1314 |
+- int buttons = data[282] | ((data[281] & 0x40) << 2); |
1315 |
++ int expresskeys = data[282]; |
1316 |
++ int center = (data[281] & 0x40) >> 6; |
1317 |
+ int ring = data[285] & 0x7F; |
1318 |
+ bool ringstatus = data[285] & 0x80; |
1319 |
+- bool prox = buttons || ringstatus; |
1320 |
++ bool prox = expresskeys || center || ringstatus; |
1321 |
+ |
1322 |
+ /* Fix touchring data: userspace expects 0 at left and increasing clockwise */ |
1323 |
+ ring = 71 - ring; |
1324 |
+@@ -1439,7 +1441,8 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) |
1325 |
+ if (ring > 71) |
1326 |
+ ring -= 72; |
1327 |
+ |
1328 |
+- wacom_report_numbered_buttons(pad_input, 9, buttons); |
1329 |
++ wacom_report_numbered_buttons(pad_input, nbuttons, |
1330 |
++ expresskeys | (center << (nbuttons - 1))); |
1331 |
+ |
1332 |
+ input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0); |
1333 |
+ |
1334 |
+@@ -2637,9 +2640,25 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, |
1335 |
+ case HID_DG_TIPSWITCH: |
1336 |
+ hid_data->last_slot_field = equivalent_usage; |
1337 |
+ break; |
1338 |
++ case HID_DG_CONTACTCOUNT: |
1339 |
++ hid_data->cc_report = report->id; |
1340 |
++ hid_data->cc_index = i; |
1341 |
++ hid_data->cc_value_index = j; |
1342 |
++ break; |
1343 |
+ } |
1344 |
+ } |
1345 |
+ } |
1346 |
++ |
1347 |
++ if (hid_data->cc_report != 0 && |
1348 |
++ hid_data->cc_index >= 0) { |
1349 |
++ struct hid_field *field = report->field[hid_data->cc_index]; |
1350 |
++ int value = field->value[hid_data->cc_value_index]; |
1351 |
++ if (value) |
1352 |
++ hid_data->num_expected = value; |
1353 |
++ } |
1354 |
++ else { |
1355 |
++ hid_data->num_expected = wacom_wac->features.touch_max; |
1356 |
++ } |
1357 |
+ } |
1358 |
+ |
1359 |
+ static void wacom_wac_finger_report(struct hid_device *hdev, |
1360 |
+@@ -2649,7 +2668,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev, |
1361 |
+ struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
1362 |
+ struct input_dev *input = wacom_wac->touch_input; |
1363 |
+ unsigned touch_max = wacom_wac->features.touch_max; |
1364 |
+- struct hid_data *hid_data = &wacom_wac->hid_data; |
1365 |
+ |
1366 |
+ /* If more packets of data are expected, give us a chance to |
1367 |
+ * process them rather than immediately syncing a partial |
1368 |
+@@ -2663,7 +2681,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev, |
1369 |
+ |
1370 |
+ input_sync(input); |
1371 |
+ wacom_wac->hid_data.num_received = 0; |
1372 |
+- hid_data->num_expected = 0; |
1373 |
+ |
1374 |
+ /* keep touch state for pen event */ |
1375 |
+ wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac); |
1376 |
+@@ -2738,73 +2755,12 @@ static void wacom_report_events(struct hid_device *hdev, |
1377 |
+ } |
1378 |
+ } |
1379 |
+ |
1380 |
+-static void wacom_set_num_expected(struct hid_device *hdev, |
1381 |
+- struct hid_report *report, |
1382 |
+- int collection_index, |
1383 |
+- struct hid_field *field, |
1384 |
+- int field_index) |
1385 |
+-{ |
1386 |
+- struct wacom *wacom = hid_get_drvdata(hdev); |
1387 |
+- struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
1388 |
+- struct hid_data *hid_data = &wacom_wac->hid_data; |
1389 |
+- unsigned int original_collection_level = |
1390 |
+- hdev->collection[collection_index].level; |
1391 |
+- bool end_collection = false; |
1392 |
+- int i; |
1393 |
+- |
1394 |
+- if (hid_data->num_expected) |
1395 |
+- return; |
1396 |
+- |
1397 |
+- // find the contact count value for this segment |
1398 |
+- for (i = field_index; i < report->maxfield && !end_collection; i++) { |
1399 |
+- struct hid_field *field = report->field[i]; |
1400 |
+- unsigned int field_level = |
1401 |
+- hdev->collection[field->usage[0].collection_index].level; |
1402 |
+- unsigned int j; |
1403 |
+- |
1404 |
+- if (field_level != original_collection_level) |
1405 |
+- continue; |
1406 |
+- |
1407 |
+- for (j = 0; j < field->maxusage; j++) { |
1408 |
+- struct hid_usage *usage = &field->usage[j]; |
1409 |
+- |
1410 |
+- if (usage->collection_index != collection_index) { |
1411 |
+- end_collection = true; |
1412 |
+- break; |
1413 |
+- } |
1414 |
+- if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) { |
1415 |
+- hid_data->cc_report = report->id; |
1416 |
+- hid_data->cc_index = i; |
1417 |
+- hid_data->cc_value_index = j; |
1418 |
+- |
1419 |
+- if (hid_data->cc_report != 0 && |
1420 |
+- hid_data->cc_index >= 0) { |
1421 |
+- |
1422 |
+- struct hid_field *field = |
1423 |
+- report->field[hid_data->cc_index]; |
1424 |
+- int value = |
1425 |
+- field->value[hid_data->cc_value_index]; |
1426 |
+- |
1427 |
+- if (value) |
1428 |
+- hid_data->num_expected = value; |
1429 |
+- } |
1430 |
+- } |
1431 |
+- } |
1432 |
+- } |
1433 |
+- |
1434 |
+- if (hid_data->cc_report == 0 || hid_data->cc_index < 0) |
1435 |
+- hid_data->num_expected = wacom_wac->features.touch_max; |
1436 |
+-} |
1437 |
+- |
1438 |
+ static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report, |
1439 |
+ int collection_index, struct hid_field *field, |
1440 |
+ int field_index) |
1441 |
+ { |
1442 |
+ struct wacom *wacom = hid_get_drvdata(hdev); |
1443 |
+ |
1444 |
+- if (WACOM_FINGER_FIELD(field)) |
1445 |
+- wacom_set_num_expected(hdev, report, collection_index, field, |
1446 |
+- field_index); |
1447 |
+ wacom_report_events(hdev, report, collection_index, field_index); |
1448 |
+ |
1449 |
+ /* |
1450 |
+diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c |
1451 |
+index 5eed75cd121f..e5dcbe80cf85 100644 |
1452 |
+--- a/drivers/iommu/virtio-iommu.c |
1453 |
++++ b/drivers/iommu/virtio-iommu.c |
1454 |
+@@ -453,7 +453,7 @@ static int viommu_add_resv_mem(struct viommu_endpoint *vdev, |
1455 |
+ if (!region) |
1456 |
+ return -ENOMEM; |
1457 |
+ |
1458 |
+- list_add(&vdev->resv_regions, ®ion->list); |
1459 |
++ list_add(®ion->list, &vdev->resv_regions); |
1460 |
+ return 0; |
1461 |
+ } |
1462 |
+ |
1463 |
+diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c |
1464 |
+index 668418d7ea77..f620442addf5 100644 |
1465 |
+--- a/drivers/misc/mei/hw-me.c |
1466 |
++++ b/drivers/misc/mei/hw-me.c |
1467 |
+@@ -1465,6 +1465,13 @@ static const struct mei_cfg mei_me_pch12_cfg = { |
1468 |
+ MEI_CFG_DMA_128, |
1469 |
+ }; |
1470 |
+ |
1471 |
++/* LBG with quirk for SPS Firmware exclusion */ |
1472 |
++static const struct mei_cfg mei_me_pch12_sps_cfg = { |
1473 |
++ MEI_CFG_PCH8_HFS, |
1474 |
++ MEI_CFG_FW_VER_SUPP, |
1475 |
++ MEI_CFG_FW_SPS, |
1476 |
++}; |
1477 |
++ |
1478 |
+ /* Tiger Lake and newer devices */ |
1479 |
+ static const struct mei_cfg mei_me_pch15_cfg = { |
1480 |
+ MEI_CFG_PCH8_HFS, |
1481 |
+@@ -1487,6 +1494,7 @@ static const struct mei_cfg *const mei_cfg_list[] = { |
1482 |
+ [MEI_ME_PCH8_CFG] = &mei_me_pch8_cfg, |
1483 |
+ [MEI_ME_PCH8_SPS_CFG] = &mei_me_pch8_sps_cfg, |
1484 |
+ [MEI_ME_PCH12_CFG] = &mei_me_pch12_cfg, |
1485 |
++ [MEI_ME_PCH12_SPS_CFG] = &mei_me_pch12_sps_cfg, |
1486 |
+ [MEI_ME_PCH15_CFG] = &mei_me_pch15_cfg, |
1487 |
+ }; |
1488 |
+ |
1489 |
+diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h |
1490 |
+index 4a8d4dcd5a91..b6b94e211464 100644 |
1491 |
+--- a/drivers/misc/mei/hw-me.h |
1492 |
++++ b/drivers/misc/mei/hw-me.h |
1493 |
+@@ -80,6 +80,9 @@ struct mei_me_hw { |
1494 |
+ * servers platforms with quirk for |
1495 |
+ * SPS firmware exclusion. |
1496 |
+ * @MEI_ME_PCH12_CFG: Platform Controller Hub Gen12 and newer |
1497 |
++ * @MEI_ME_PCH12_SPS_CFG: Platform Controller Hub Gen12 and newer |
1498 |
++ * servers platforms with quirk for |
1499 |
++ * SPS firmware exclusion. |
1500 |
+ * @MEI_ME_PCH15_CFG: Platform Controller Hub Gen15 and newer |
1501 |
+ * @MEI_ME_NUM_CFG: Upper Sentinel. |
1502 |
+ */ |
1503 |
+@@ -93,6 +96,7 @@ enum mei_cfg_idx { |
1504 |
+ MEI_ME_PCH8_CFG, |
1505 |
+ MEI_ME_PCH8_SPS_CFG, |
1506 |
+ MEI_ME_PCH12_CFG, |
1507 |
++ MEI_ME_PCH12_SPS_CFG, |
1508 |
+ MEI_ME_PCH15_CFG, |
1509 |
+ MEI_ME_NUM_CFG, |
1510 |
+ }; |
1511 |
+diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c |
1512 |
+index 2eb7b2968e5d..0dd2922aa06d 100644 |
1513 |
+--- a/drivers/misc/mei/pci-me.c |
1514 |
++++ b/drivers/misc/mei/pci-me.c |
1515 |
+@@ -79,7 +79,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = { |
1516 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)}, |
1517 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)}, |
1518 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)}, |
1519 |
+- {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_CFG)}, |
1520 |
++ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_SPS_CFG)}, |
1521 |
+ |
1522 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)}, |
1523 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)}, |
1524 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
1525 |
+index d28b406a26b1..d0ddd08c4112 100644 |
1526 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
1527 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c |
1528 |
+@@ -6662,7 +6662,7 @@ static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp, |
1529 |
+ int rc; |
1530 |
+ |
1531 |
+ if (!mem_size) |
1532 |
+- return 0; |
1533 |
++ return -EINVAL; |
1534 |
+ |
1535 |
+ ctx_pg->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE); |
1536 |
+ if (ctx_pg->nr_pages > MAX_CTX_TOTAL_PAGES) { |
1537 |
+@@ -9794,6 +9794,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev, |
1538 |
+ netdev_features_t features) |
1539 |
+ { |
1540 |
+ struct bnxt *bp = netdev_priv(dev); |
1541 |
++ netdev_features_t vlan_features; |
1542 |
+ |
1543 |
+ if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp)) |
1544 |
+ features &= ~NETIF_F_NTUPLE; |
1545 |
+@@ -9810,12 +9811,14 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev, |
1546 |
+ /* Both CTAG and STAG VLAN accelaration on the RX side have to be |
1547 |
+ * turned on or off together. |
1548 |
+ */ |
1549 |
+- if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) != |
1550 |
+- (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) { |
1551 |
++ vlan_features = features & (NETIF_F_HW_VLAN_CTAG_RX | |
1552 |
++ NETIF_F_HW_VLAN_STAG_RX); |
1553 |
++ if (vlan_features != (NETIF_F_HW_VLAN_CTAG_RX | |
1554 |
++ NETIF_F_HW_VLAN_STAG_RX)) { |
1555 |
+ if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) |
1556 |
+ features &= ~(NETIF_F_HW_VLAN_CTAG_RX | |
1557 |
+ NETIF_F_HW_VLAN_STAG_RX); |
1558 |
+- else |
1559 |
++ else if (vlan_features) |
1560 |
+ features |= NETIF_F_HW_VLAN_CTAG_RX | |
1561 |
+ NETIF_F_HW_VLAN_STAG_RX; |
1562 |
+ } |
1563 |
+@@ -12173,12 +12176,15 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) |
1564 |
+ bnxt_ulp_start(bp, err); |
1565 |
+ } |
1566 |
+ |
1567 |
+- if (result != PCI_ERS_RESULT_RECOVERED && netif_running(netdev)) |
1568 |
+- dev_close(netdev); |
1569 |
++ if (result != PCI_ERS_RESULT_RECOVERED) { |
1570 |
++ if (netif_running(netdev)) |
1571 |
++ dev_close(netdev); |
1572 |
++ pci_disable_device(pdev); |
1573 |
++ } |
1574 |
+ |
1575 |
+ rtnl_unlock(); |
1576 |
+ |
1577 |
+- return PCI_ERS_RESULT_RECOVERED; |
1578 |
++ return result; |
1579 |
+ } |
1580 |
+ |
1581 |
+ /** |
1582 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h |
1583 |
+index 63b170658532..ef0268649822 100644 |
1584 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h |
1585 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h |
1586 |
+@@ -1064,7 +1064,6 @@ struct bnxt_vf_info { |
1587 |
+ #define BNXT_VF_LINK_FORCED 0x4 |
1588 |
+ #define BNXT_VF_LINK_UP 0x8 |
1589 |
+ #define BNXT_VF_TRUST 0x10 |
1590 |
+- u32 func_flags; /* func cfg flags */ |
1591 |
+ u32 min_tx_rate; |
1592 |
+ u32 max_tx_rate; |
1593 |
+ void *hwrm_cmd_req_addr; |
1594 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h |
1595 |
+index 95f893f2a74d..d5c8bd49383a 100644 |
1596 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h |
1597 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h |
1598 |
+@@ -43,7 +43,7 @@ static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl) |
1599 |
+ #define BNXT_NVM_CFG_VER_BITS 24 |
1600 |
+ #define BNXT_NVM_CFG_VER_BYTES 4 |
1601 |
+ |
1602 |
+-#define BNXT_MSIX_VEC_MAX 1280 |
1603 |
++#define BNXT_MSIX_VEC_MAX 512 |
1604 |
+ #define BNXT_MSIX_VEC_MIN_MAX 128 |
1605 |
+ |
1606 |
+ enum bnxt_nvm_dir_type { |
1607 |
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c |
1608 |
+index 2aba1e02a8f4..1259d135c9cc 100644 |
1609 |
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c |
1610 |
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c |
1611 |
+@@ -85,11 +85,10 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting) |
1612 |
+ if (old_setting == setting) |
1613 |
+ return 0; |
1614 |
+ |
1615 |
+- func_flags = vf->func_flags; |
1616 |
+ if (setting) |
1617 |
+- func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE; |
1618 |
++ func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE; |
1619 |
+ else |
1620 |
+- func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE; |
1621 |
++ func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE; |
1622 |
+ /*TODO: if the driver supports VLAN filter on guest VLAN, |
1623 |
+ * the spoof check should also include vlan anti-spoofing |
1624 |
+ */ |
1625 |
+@@ -98,7 +97,6 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting) |
1626 |
+ req.flags = cpu_to_le32(func_flags); |
1627 |
+ rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
1628 |
+ if (!rc) { |
1629 |
+- vf->func_flags = func_flags; |
1630 |
+ if (setting) |
1631 |
+ vf->flags |= BNXT_VF_SPOOFCHK; |
1632 |
+ else |
1633 |
+@@ -230,7 +228,6 @@ int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac) |
1634 |
+ memcpy(vf->mac_addr, mac, ETH_ALEN); |
1635 |
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
1636 |
+ req.fid = cpu_to_le16(vf->fw_fid); |
1637 |
+- req.flags = cpu_to_le32(vf->func_flags); |
1638 |
+ req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); |
1639 |
+ memcpy(req.dflt_mac_addr, mac, ETH_ALEN); |
1640 |
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
1641 |
+@@ -268,7 +265,6 @@ int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos, |
1642 |
+ |
1643 |
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
1644 |
+ req.fid = cpu_to_le16(vf->fw_fid); |
1645 |
+- req.flags = cpu_to_le32(vf->func_flags); |
1646 |
+ req.dflt_vlan = cpu_to_le16(vlan_tag); |
1647 |
+ req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN); |
1648 |
+ rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
1649 |
+@@ -307,7 +303,6 @@ int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate, |
1650 |
+ return 0; |
1651 |
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
1652 |
+ req.fid = cpu_to_le16(vf->fw_fid); |
1653 |
+- req.flags = cpu_to_le32(vf->func_flags); |
1654 |
+ req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW); |
1655 |
+ req.max_bw = cpu_to_le32(max_tx_rate); |
1656 |
+ req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW); |
1657 |
+@@ -479,7 +474,6 @@ static void __bnxt_set_vf_params(struct bnxt *bp, int vf_id) |
1658 |
+ vf = &bp->pf.vf[vf_id]; |
1659 |
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
1660 |
+ req.fid = cpu_to_le16(vf->fw_fid); |
1661 |
+- req.flags = cpu_to_le32(vf->func_flags); |
1662 |
+ |
1663 |
+ if (is_valid_ether_addr(vf->mac_addr)) { |
1664 |
+ req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); |
1665 |
+diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c |
1666 |
+index b3a51935e8e0..f42382c2ecd0 100644 |
1667 |
+--- a/drivers/net/ethernet/cadence/macb_main.c |
1668 |
++++ b/drivers/net/ethernet/cadence/macb_main.c |
1669 |
+@@ -334,8 +334,10 @@ static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum) |
1670 |
+ int status; |
1671 |
+ |
1672 |
+ status = pm_runtime_get_sync(&bp->pdev->dev); |
1673 |
+- if (status < 0) |
1674 |
++ if (status < 0) { |
1675 |
++ pm_runtime_put_noidle(&bp->pdev->dev); |
1676 |
+ goto mdio_pm_exit; |
1677 |
++ } |
1678 |
+ |
1679 |
+ status = macb_mdio_wait_for_idle(bp); |
1680 |
+ if (status < 0) |
1681 |
+@@ -386,8 +388,10 @@ static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum, |
1682 |
+ int status; |
1683 |
+ |
1684 |
+ status = pm_runtime_get_sync(&bp->pdev->dev); |
1685 |
+- if (status < 0) |
1686 |
++ if (status < 0) { |
1687 |
++ pm_runtime_put_noidle(&bp->pdev->dev); |
1688 |
+ goto mdio_pm_exit; |
1689 |
++ } |
1690 |
+ |
1691 |
+ status = macb_mdio_wait_for_idle(bp); |
1692 |
+ if (status < 0) |
1693 |
+@@ -3803,8 +3807,10 @@ static int at91ether_open(struct net_device *dev) |
1694 |
+ int ret; |
1695 |
+ |
1696 |
+ ret = pm_runtime_get_sync(&lp->pdev->dev); |
1697 |
+- if (ret < 0) |
1698 |
++ if (ret < 0) { |
1699 |
++ pm_runtime_put_noidle(&lp->pdev->dev); |
1700 |
+ return ret; |
1701 |
++ } |
1702 |
+ |
1703 |
+ /* Clear internal statistics */ |
1704 |
+ ctl = macb_readl(lp, NCR); |
1705 |
+@@ -4159,15 +4165,9 @@ static int fu540_c000_clk_init(struct platform_device *pdev, struct clk **pclk, |
1706 |
+ |
1707 |
+ static int fu540_c000_init(struct platform_device *pdev) |
1708 |
+ { |
1709 |
+- struct resource *res; |
1710 |
+- |
1711 |
+- res = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
1712 |
+- if (!res) |
1713 |
+- return -ENODEV; |
1714 |
+- |
1715 |
+- mgmt->reg = ioremap(res->start, resource_size(res)); |
1716 |
+- if (!mgmt->reg) |
1717 |
+- return -ENOMEM; |
1718 |
++ mgmt->reg = devm_platform_ioremap_resource(pdev, 1); |
1719 |
++ if (IS_ERR(mgmt->reg)) |
1720 |
++ return PTR_ERR(mgmt->reg); |
1721 |
+ |
1722 |
+ return macb_init(pdev); |
1723 |
+ } |
1724 |
+diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c |
1725 |
+index cab3d17e0e1a..d6eebd640753 100644 |
1726 |
+--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c |
1727 |
++++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c |
1728 |
+@@ -2202,6 +2202,9 @@ static void ethofld_hard_xmit(struct net_device *dev, |
1729 |
+ if (unlikely(skip_eotx_wr)) { |
1730 |
+ start = (u64 *)wr; |
1731 |
+ eosw_txq->state = next_state; |
1732 |
++ eosw_txq->cred -= wrlen16; |
1733 |
++ eosw_txq->ncompl++; |
1734 |
++ eosw_txq->last_compl = 0; |
1735 |
+ goto write_wr_headers; |
1736 |
+ } |
1737 |
+ |
1738 |
+@@ -2360,6 +2363,34 @@ netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev) |
1739 |
+ return cxgb4_eth_xmit(skb, dev); |
1740 |
+ } |
1741 |
+ |
1742 |
++static void eosw_txq_flush_pending_skbs(struct sge_eosw_txq *eosw_txq) |
1743 |
++{ |
1744 |
++ int pktcount = eosw_txq->pidx - eosw_txq->last_pidx; |
1745 |
++ int pidx = eosw_txq->pidx; |
1746 |
++ struct sk_buff *skb; |
1747 |
++ |
1748 |
++ if (!pktcount) |
1749 |
++ return; |
1750 |
++ |
1751 |
++ if (pktcount < 0) |
1752 |
++ pktcount += eosw_txq->ndesc; |
1753 |
++ |
1754 |
++ while (pktcount--) { |
1755 |
++ pidx--; |
1756 |
++ if (pidx < 0) |
1757 |
++ pidx += eosw_txq->ndesc; |
1758 |
++ |
1759 |
++ skb = eosw_txq->desc[pidx].skb; |
1760 |
++ if (skb) { |
1761 |
++ dev_consume_skb_any(skb); |
1762 |
++ eosw_txq->desc[pidx].skb = NULL; |
1763 |
++ eosw_txq->inuse--; |
1764 |
++ } |
1765 |
++ } |
1766 |
++ |
1767 |
++ eosw_txq->pidx = eosw_txq->last_pidx + 1; |
1768 |
++} |
1769 |
++ |
1770 |
+ /** |
1771 |
+ * cxgb4_ethofld_send_flowc - Send ETHOFLD flowc request to bind eotid to tc. |
1772 |
+ * @dev - netdevice |
1773 |
+@@ -2435,9 +2466,11 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc) |
1774 |
+ FW_FLOWC_MNEM_EOSTATE_CLOSING : |
1775 |
+ FW_FLOWC_MNEM_EOSTATE_ESTABLISHED); |
1776 |
+ |
1777 |
+- eosw_txq->cred -= len16; |
1778 |
+- eosw_txq->ncompl++; |
1779 |
+- eosw_txq->last_compl = 0; |
1780 |
++ /* Free up any pending skbs to ensure there's room for |
1781 |
++ * termination FLOWC. |
1782 |
++ */ |
1783 |
++ if (tc == FW_SCHED_CLS_NONE) |
1784 |
++ eosw_txq_flush_pending_skbs(eosw_txq); |
1785 |
+ |
1786 |
+ ret = eosw_txq_enqueue(eosw_txq, skb); |
1787 |
+ if (ret) { |
1788 |
+diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c |
1789 |
+index ebc635f8a4cc..15f37c5b8dc1 100644 |
1790 |
+--- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c |
1791 |
++++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c |
1792 |
+@@ -74,8 +74,8 @@ err_pci_mem_reg: |
1793 |
+ pci_disable_device(pdev); |
1794 |
+ err_pci_enable: |
1795 |
+ err_mdiobus_alloc: |
1796 |
+- iounmap(port_regs); |
1797 |
+ err_hw_alloc: |
1798 |
++ iounmap(port_regs); |
1799 |
+ err_ioremap: |
1800 |
+ return err; |
1801 |
+ } |
1802 |
+diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c |
1803 |
+index 35478cba2aa5..4344a59c823f 100644 |
1804 |
+--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c |
1805 |
++++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c |
1806 |
+@@ -1422,6 +1422,9 @@ int mvpp2_ethtool_cls_rule_del(struct mvpp2_port *port, |
1807 |
+ struct mvpp2_ethtool_fs *efs; |
1808 |
+ int ret; |
1809 |
+ |
1810 |
++ if (info->fs.location >= MVPP2_N_RFS_ENTRIES_PER_FLOW) |
1811 |
++ return -EINVAL; |
1812 |
++ |
1813 |
+ efs = port->rfs_rules[info->fs.location]; |
1814 |
+ if (!efs) |
1815 |
+ return -EINVAL; |
1816 |
+diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1817 |
+index 72133cbe55d4..eb78a948bee3 100644 |
1818 |
+--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1819 |
++++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |
1820 |
+@@ -4325,6 +4325,8 @@ static int mvpp2_ethtool_get_rxfh_context(struct net_device *dev, u32 *indir, |
1821 |
+ |
1822 |
+ if (!mvpp22_rss_is_supported()) |
1823 |
+ return -EOPNOTSUPP; |
1824 |
++ if (rss_context >= MVPP22_N_RSS_TABLES) |
1825 |
++ return -EINVAL; |
1826 |
+ |
1827 |
+ if (hfunc) |
1828 |
+ *hfunc = ETH_RSS_HASH_CRC32; |
1829 |
+diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c |
1830 |
+index 5716c3d2bb86..c72c4e1ea383 100644 |
1831 |
+--- a/drivers/net/ethernet/mellanox/mlx4/main.c |
1832 |
++++ b/drivers/net/ethernet/mellanox/mlx4/main.c |
1833 |
+@@ -2550,6 +2550,7 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev) |
1834 |
+ |
1835 |
+ if (!err || err == -ENOSPC) { |
1836 |
+ priv->def_counter[port] = idx; |
1837 |
++ err = 0; |
1838 |
+ } else if (err == -ENOENT) { |
1839 |
+ err = 0; |
1840 |
+ continue; |
1841 |
+@@ -2600,7 +2601,8 @@ int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage) |
1842 |
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
1843 |
+ if (!err) |
1844 |
+ *idx = get_param_l(&out_param); |
1845 |
+- |
1846 |
++ if (WARN_ON(err == -ENOSPC)) |
1847 |
++ err = -EINVAL; |
1848 |
+ return err; |
1849 |
+ } |
1850 |
+ return __mlx4_counter_alloc(dev, idx); |
1851 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c |
1852 |
+index 34cba97f7bf4..cede5bdfd598 100644 |
1853 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c |
1854 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c |
1855 |
+@@ -888,7 +888,6 @@ static void cmd_work_handler(struct work_struct *work) |
1856 |
+ } |
1857 |
+ |
1858 |
+ cmd->ent_arr[ent->idx] = ent; |
1859 |
+- set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state); |
1860 |
+ lay = get_inst(cmd, ent->idx); |
1861 |
+ ent->lay = lay; |
1862 |
+ memset(lay, 0, sizeof(*lay)); |
1863 |
+@@ -910,6 +909,7 @@ static void cmd_work_handler(struct work_struct *work) |
1864 |
+ |
1865 |
+ if (ent->callback) |
1866 |
+ schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); |
1867 |
++ set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state); |
1868 |
+ |
1869 |
+ /* Skip sending command to fw if internal error */ |
1870 |
+ if (pci_channel_offline(dev->pdev) || |
1871 |
+@@ -922,6 +922,10 @@ static void cmd_work_handler(struct work_struct *work) |
1872 |
+ MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); |
1873 |
+ |
1874 |
+ mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); |
1875 |
++ /* no doorbell, no need to keep the entry */ |
1876 |
++ free_ent(cmd, ent->idx); |
1877 |
++ if (ent->callback) |
1878 |
++ free_cmd(ent); |
1879 |
+ return; |
1880 |
+ } |
1881 |
+ |
1882 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c |
1883 |
+index ffc193c4ad43..2ad0d09cc9bd 100644 |
1884 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c |
1885 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c |
1886 |
+@@ -1692,19 +1692,14 @@ static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv) |
1887 |
+ |
1888 |
+ static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv) |
1889 |
+ { |
1890 |
+- int err = mlx5e_init_rep_rx(priv); |
1891 |
+- |
1892 |
+- if (err) |
1893 |
+- return err; |
1894 |
+- |
1895 |
+ mlx5e_create_q_counters(priv); |
1896 |
+- return 0; |
1897 |
++ return mlx5e_init_rep_rx(priv); |
1898 |
+ } |
1899 |
+ |
1900 |
+ static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv) |
1901 |
+ { |
1902 |
+- mlx5e_destroy_q_counters(priv); |
1903 |
+ mlx5e_cleanup_rep_rx(priv); |
1904 |
++ mlx5e_destroy_q_counters(priv); |
1905 |
+ } |
1906 |
+ |
1907 |
+ static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) |
1908 |
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c |
1909 |
+index 095ec7b1399d..7c77378accf0 100644 |
1910 |
+--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c |
1911 |
++++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c |
1912 |
+@@ -689,6 +689,12 @@ static void dr_cq_event(struct mlx5_core_cq *mcq, |
1913 |
+ pr_info("CQ event %u on CQ #%u\n", event, mcq->cqn); |
1914 |
+ } |
1915 |
+ |
1916 |
++static void dr_cq_complete(struct mlx5_core_cq *mcq, |
1917 |
++ struct mlx5_eqe *eqe) |
1918 |
++{ |
1919 |
++ pr_err("CQ completion CQ: #%u\n", mcq->cqn); |
1920 |
++} |
1921 |
++ |
1922 |
+ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev, |
1923 |
+ struct mlx5_uars_page *uar, |
1924 |
+ size_t ncqe) |
1925 |
+@@ -750,6 +756,7 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev, |
1926 |
+ mlx5_fill_page_frag_array(&cq->wq_ctrl.buf, pas); |
1927 |
+ |
1928 |
+ cq->mcq.event = dr_cq_event; |
1929 |
++ cq->mcq.comp = dr_cq_complete; |
1930 |
+ |
1931 |
+ err = mlx5_core_create_cq(mdev, &cq->mcq, in, inlen, out, sizeof(out)); |
1932 |
+ kvfree(in); |
1933 |
+@@ -761,7 +768,12 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev, |
1934 |
+ cq->mcq.set_ci_db = cq->wq_ctrl.db.db; |
1935 |
+ cq->mcq.arm_db = cq->wq_ctrl.db.db + 1; |
1936 |
+ *cq->mcq.set_ci_db = 0; |
1937 |
+- *cq->mcq.arm_db = 0; |
1938 |
++ |
1939 |
++ /* set no-zero value, in order to avoid the HW to run db-recovery on |
1940 |
++ * CQ that used in polling mode. |
1941 |
++ */ |
1942 |
++ *cq->mcq.arm_db = cpu_to_be32(2 << 28); |
1943 |
++ |
1944 |
+ cq->mcq.vector = 0; |
1945 |
+ cq->mcq.irqn = irqn; |
1946 |
+ cq->mcq.uar = uar; |
1947 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c |
1948 |
+index e993159e8e4c..295b27112d36 100644 |
1949 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c |
1950 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c |
1951 |
+@@ -986,8 +986,9 @@ mlxsw_sp_acl_tcam_vchunk_create(struct mlxsw_sp *mlxsw_sp, |
1952 |
+ unsigned int priority, |
1953 |
+ struct mlxsw_afk_element_usage *elusage) |
1954 |
+ { |
1955 |
++ struct mlxsw_sp_acl_tcam_vchunk *vchunk, *vchunk2; |
1956 |
+ struct mlxsw_sp_acl_tcam_vregion *vregion; |
1957 |
+- struct mlxsw_sp_acl_tcam_vchunk *vchunk; |
1958 |
++ struct list_head *pos; |
1959 |
+ int err; |
1960 |
+ |
1961 |
+ if (priority == MLXSW_SP_ACL_TCAM_CATCHALL_PRIO) |
1962 |
+@@ -1025,7 +1026,14 @@ mlxsw_sp_acl_tcam_vchunk_create(struct mlxsw_sp *mlxsw_sp, |
1963 |
+ } |
1964 |
+ |
1965 |
+ mlxsw_sp_acl_tcam_rehash_ctx_vregion_changed(vregion); |
1966 |
+- list_add_tail(&vchunk->list, &vregion->vchunk_list); |
1967 |
++ |
1968 |
++ /* Position the vchunk inside the list according to priority */ |
1969 |
++ list_for_each(pos, &vregion->vchunk_list) { |
1970 |
++ vchunk2 = list_entry(pos, typeof(*vchunk2), list); |
1971 |
++ if (vchunk2->priority > priority) |
1972 |
++ break; |
1973 |
++ } |
1974 |
++ list_add_tail(&vchunk->list, pos); |
1975 |
+ mutex_unlock(&vregion->lock); |
1976 |
+ |
1977 |
+ return vchunk; |
1978 |
+diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.c b/drivers/net/ethernet/netronome/nfp/abm/main.c |
1979 |
+index 9183b3e85d21..354efffac0f9 100644 |
1980 |
+--- a/drivers/net/ethernet/netronome/nfp/abm/main.c |
1981 |
++++ b/drivers/net/ethernet/netronome/nfp/abm/main.c |
1982 |
+@@ -283,6 +283,7 @@ nfp_abm_vnic_set_mac(struct nfp_pf *pf, struct nfp_abm *abm, struct nfp_net *nn, |
1983 |
+ if (!nfp_nsp_has_hwinfo_lookup(nsp)) { |
1984 |
+ nfp_warn(pf->cpp, "NSP doesn't support PF MAC generation\n"); |
1985 |
+ eth_hw_addr_random(nn->dp.netdev); |
1986 |
++ nfp_nsp_close(nsp); |
1987 |
+ return; |
1988 |
+ } |
1989 |
+ |
1990 |
+diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c |
1991 |
+index 3fd43d30b20d..a1066fbb93b5 100644 |
1992 |
+--- a/drivers/net/ethernet/toshiba/tc35815.c |
1993 |
++++ b/drivers/net/ethernet/toshiba/tc35815.c |
1994 |
+@@ -643,7 +643,7 @@ static int tc_mii_probe(struct net_device *dev) |
1995 |
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, mask); |
1996 |
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, mask); |
1997 |
+ } |
1998 |
+- linkmode_and(phydev->supported, phydev->supported, mask); |
1999 |
++ linkmode_andnot(phydev->supported, phydev->supported, mask); |
2000 |
+ linkmode_copy(phydev->advertising, phydev->supported); |
2001 |
+ |
2002 |
+ lp->link = 0; |
2003 |
+diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c |
2004 |
+index 35aa7b0a2aeb..11028ef8be4e 100644 |
2005 |
+--- a/drivers/net/macsec.c |
2006 |
++++ b/drivers/net/macsec.c |
2007 |
+@@ -1226,7 +1226,8 @@ static struct crypto_aead *macsec_alloc_tfm(char *key, int key_len, int icv_len) |
2008 |
+ struct crypto_aead *tfm; |
2009 |
+ int ret; |
2010 |
+ |
2011 |
+- tfm = crypto_alloc_aead("gcm(aes)", 0, 0); |
2012 |
++ /* Pick a sync gcm(aes) cipher to ensure order is preserved. */ |
2013 |
++ tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC); |
2014 |
+ |
2015 |
+ if (IS_ERR(tfm)) |
2016 |
+ return tfm; |
2017 |
+diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c |
2018 |
+index ac72a324fcd1..b1d771325c57 100644 |
2019 |
+--- a/drivers/net/phy/dp83640.c |
2020 |
++++ b/drivers/net/phy/dp83640.c |
2021 |
+@@ -1120,7 +1120,7 @@ static struct dp83640_clock *dp83640_clock_get_bus(struct mii_bus *bus) |
2022 |
+ goto out; |
2023 |
+ } |
2024 |
+ dp83640_clock_init(clock, bus); |
2025 |
+- list_add_tail(&phyter_clocks, &clock->list); |
2026 |
++ list_add_tail(&clock->list, &phyter_clocks); |
2027 |
+ out: |
2028 |
+ mutex_unlock(&phyter_clocks_lock); |
2029 |
+ |
2030 |
+diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c |
2031 |
+index 64c9f3bba2cd..e2658dace15d 100644 |
2032 |
+--- a/drivers/net/phy/marvell10g.c |
2033 |
++++ b/drivers/net/phy/marvell10g.c |
2034 |
+@@ -44,6 +44,9 @@ enum { |
2035 |
+ MV_PCS_PAIRSWAP_AB = 0x0002, |
2036 |
+ MV_PCS_PAIRSWAP_NONE = 0x0003, |
2037 |
+ |
2038 |
++ /* Temperature read register (88E2110 only) */ |
2039 |
++ MV_PCS_TEMP = 0x8042, |
2040 |
++ |
2041 |
+ /* These registers appear at 0x800X and 0xa00X - the 0xa00X control |
2042 |
+ * registers appear to set themselves to the 0x800X when AN is |
2043 |
+ * restarted, but status registers appear readable from either. |
2044 |
+@@ -54,6 +57,7 @@ enum { |
2045 |
+ /* Vendor2 MMD registers */ |
2046 |
+ MV_V2_PORT_CTRL = 0xf001, |
2047 |
+ MV_V2_PORT_CTRL_PWRDOWN = 0x0800, |
2048 |
++ /* Temperature control/read registers (88X3310 only) */ |
2049 |
+ MV_V2_TEMP_CTRL = 0xf08a, |
2050 |
+ MV_V2_TEMP_CTRL_MASK = 0xc000, |
2051 |
+ MV_V2_TEMP_CTRL_SAMPLE = 0x0000, |
2052 |
+@@ -79,6 +83,24 @@ static umode_t mv3310_hwmon_is_visible(const void *data, |
2053 |
+ return 0; |
2054 |
+ } |
2055 |
+ |
2056 |
++static int mv3310_hwmon_read_temp_reg(struct phy_device *phydev) |
2057 |
++{ |
2058 |
++ return phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP); |
2059 |
++} |
2060 |
++ |
2061 |
++static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev) |
2062 |
++{ |
2063 |
++ return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP); |
2064 |
++} |
2065 |
++ |
2066 |
++static int mv10g_hwmon_read_temp_reg(struct phy_device *phydev) |
2067 |
++{ |
2068 |
++ if (phydev->drv->phy_id == MARVELL_PHY_ID_88X3310) |
2069 |
++ return mv3310_hwmon_read_temp_reg(phydev); |
2070 |
++ else /* MARVELL_PHY_ID_88E2110 */ |
2071 |
++ return mv2110_hwmon_read_temp_reg(phydev); |
2072 |
++} |
2073 |
++ |
2074 |
+ static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type, |
2075 |
+ u32 attr, int channel, long *value) |
2076 |
+ { |
2077 |
+@@ -91,7 +113,7 @@ static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type, |
2078 |
+ } |
2079 |
+ |
2080 |
+ if (type == hwmon_temp && attr == hwmon_temp_input) { |
2081 |
+- temp = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP); |
2082 |
++ temp = mv10g_hwmon_read_temp_reg(phydev); |
2083 |
+ if (temp < 0) |
2084 |
+ return temp; |
2085 |
+ |
2086 |
+@@ -144,6 +166,9 @@ static int mv3310_hwmon_config(struct phy_device *phydev, bool enable) |
2087 |
+ u16 val; |
2088 |
+ int ret; |
2089 |
+ |
2090 |
++ if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310) |
2091 |
++ return 0; |
2092 |
++ |
2093 |
+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP, |
2094 |
+ MV_V2_TEMP_UNKNOWN); |
2095 |
+ if (ret < 0) |
2096 |
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c |
2097 |
+index 6c738a271257..4bb8552a00d3 100644 |
2098 |
+--- a/drivers/net/usb/qmi_wwan.c |
2099 |
++++ b/drivers/net/usb/qmi_wwan.c |
2100 |
+@@ -1359,6 +1359,7 @@ static const struct usb_device_id products[] = { |
2101 |
+ {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ |
2102 |
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ |
2103 |
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ |
2104 |
++ {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ |
2105 |
+ {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ |
2106 |
+ {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ |
2107 |
+ {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ |
2108 |
+diff --git a/drivers/net/wireguard/queueing.c b/drivers/net/wireguard/queueing.c |
2109 |
+index 5c964fcb994e..71b8e80b58e1 100644 |
2110 |
+--- a/drivers/net/wireguard/queueing.c |
2111 |
++++ b/drivers/net/wireguard/queueing.c |
2112 |
+@@ -35,8 +35,10 @@ int wg_packet_queue_init(struct crypt_queue *queue, work_func_t function, |
2113 |
+ if (multicore) { |
2114 |
+ queue->worker = wg_packet_percpu_multicore_worker_alloc( |
2115 |
+ function, queue); |
2116 |
+- if (!queue->worker) |
2117 |
++ if (!queue->worker) { |
2118 |
++ ptr_ring_cleanup(&queue->ring, NULL); |
2119 |
+ return -ENOMEM; |
2120 |
++ } |
2121 |
+ } else { |
2122 |
+ INIT_WORK(&queue->work, function); |
2123 |
+ } |
2124 |
+diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c |
2125 |
+index da3b782ab7d3..2566e13a292d 100644 |
2126 |
+--- a/drivers/net/wireguard/receive.c |
2127 |
++++ b/drivers/net/wireguard/receive.c |
2128 |
+@@ -393,13 +393,11 @@ static void wg_packet_consume_data_done(struct wg_peer *peer, |
2129 |
+ len = ntohs(ip_hdr(skb)->tot_len); |
2130 |
+ if (unlikely(len < sizeof(struct iphdr))) |
2131 |
+ goto dishonest_packet_size; |
2132 |
+- if (INET_ECN_is_ce(PACKET_CB(skb)->ds)) |
2133 |
+- IP_ECN_set_ce(ip_hdr(skb)); |
2134 |
++ INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ip_hdr(skb)->tos); |
2135 |
+ } else if (skb->protocol == htons(ETH_P_IPV6)) { |
2136 |
+ len = ntohs(ipv6_hdr(skb)->payload_len) + |
2137 |
+ sizeof(struct ipv6hdr); |
2138 |
+- if (INET_ECN_is_ce(PACKET_CB(skb)->ds)) |
2139 |
+- IP6_ECN_set_ce(skb, ipv6_hdr(skb)); |
2140 |
++ INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ipv6_get_dsfield(ipv6_hdr(skb))); |
2141 |
+ } else { |
2142 |
+ goto dishonest_packet_type; |
2143 |
+ } |
2144 |
+@@ -518,6 +516,8 @@ void wg_packet_decrypt_worker(struct work_struct *work) |
2145 |
+ &PACKET_CB(skb)->keypair->receiving)) ? |
2146 |
+ PACKET_STATE_CRYPTED : PACKET_STATE_DEAD; |
2147 |
+ wg_queue_enqueue_per_peer_napi(skb, state); |
2148 |
++ if (need_resched()) |
2149 |
++ cond_resched(); |
2150 |
+ } |
2151 |
+ } |
2152 |
+ |
2153 |
+diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c |
2154 |
+index 7348c10cbae3..e8a7d0a0cb88 100644 |
2155 |
+--- a/drivers/net/wireguard/send.c |
2156 |
++++ b/drivers/net/wireguard/send.c |
2157 |
+@@ -281,6 +281,8 @@ void wg_packet_tx_worker(struct work_struct *work) |
2158 |
+ |
2159 |
+ wg_noise_keypair_put(keypair, false); |
2160 |
+ wg_peer_put(peer); |
2161 |
++ if (need_resched()) |
2162 |
++ cond_resched(); |
2163 |
+ } |
2164 |
+ } |
2165 |
+ |
2166 |
+@@ -305,6 +307,8 @@ void wg_packet_encrypt_worker(struct work_struct *work) |
2167 |
+ wg_queue_enqueue_per_peer(&PACKET_PEER(first)->tx_queue, first, |
2168 |
+ state); |
2169 |
+ |
2170 |
++ if (need_resched()) |
2171 |
++ cond_resched(); |
2172 |
+ } |
2173 |
+ } |
2174 |
+ |
2175 |
+diff --git a/drivers/net/wireguard/socket.c b/drivers/net/wireguard/socket.c |
2176 |
+index b0d6541582d3..f9018027fc13 100644 |
2177 |
+--- a/drivers/net/wireguard/socket.c |
2178 |
++++ b/drivers/net/wireguard/socket.c |
2179 |
+@@ -76,12 +76,6 @@ static int send4(struct wg_device *wg, struct sk_buff *skb, |
2180 |
+ net_dbg_ratelimited("%s: No route to %pISpfsc, error %d\n", |
2181 |
+ wg->dev->name, &endpoint->addr, ret); |
2182 |
+ goto err; |
2183 |
+- } else if (unlikely(rt->dst.dev == skb->dev)) { |
2184 |
+- ip_rt_put(rt); |
2185 |
+- ret = -ELOOP; |
2186 |
+- net_dbg_ratelimited("%s: Avoiding routing loop to %pISpfsc\n", |
2187 |
+- wg->dev->name, &endpoint->addr); |
2188 |
+- goto err; |
2189 |
+ } |
2190 |
+ if (cache) |
2191 |
+ dst_cache_set_ip4(cache, &rt->dst, fl.saddr); |
2192 |
+@@ -149,12 +143,6 @@ static int send6(struct wg_device *wg, struct sk_buff *skb, |
2193 |
+ net_dbg_ratelimited("%s: No route to %pISpfsc, error %d\n", |
2194 |
+ wg->dev->name, &endpoint->addr, ret); |
2195 |
+ goto err; |
2196 |
+- } else if (unlikely(dst->dev == skb->dev)) { |
2197 |
+- dst_release(dst); |
2198 |
+- ret = -ELOOP; |
2199 |
+- net_dbg_ratelimited("%s: Avoiding routing loop to %pISpfsc\n", |
2200 |
+- wg->dev->name, &endpoint->addr); |
2201 |
+- goto err; |
2202 |
+ } |
2203 |
+ if (cache) |
2204 |
+ dst_cache_set_ip6(cache, dst, &fl.saddr); |
2205 |
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c |
2206 |
+index fb4c35a43065..84f20369d846 100644 |
2207 |
+--- a/drivers/nvme/host/core.c |
2208 |
++++ b/drivers/nvme/host/core.c |
2209 |
+@@ -1075,8 +1075,17 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid, |
2210 |
+ |
2211 |
+ status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, |
2212 |
+ NVME_IDENTIFY_DATA_SIZE); |
2213 |
+- if (status) |
2214 |
++ if (status) { |
2215 |
++ dev_warn(ctrl->device, |
2216 |
++ "Identify Descriptors failed (%d)\n", status); |
2217 |
++ /* |
2218 |
++ * Don't treat an error as fatal, as we potentially already |
2219 |
++ * have a NGUID or EUI-64. |
2220 |
++ */ |
2221 |
++ if (status > 0 && !(status & NVME_SC_DNR)) |
2222 |
++ status = 0; |
2223 |
+ goto free_data; |
2224 |
++ } |
2225 |
+ |
2226 |
+ for (pos = 0; pos < NVME_IDENTIFY_DATA_SIZE; pos += len) { |
2227 |
+ struct nvme_ns_id_desc *cur = data + pos; |
2228 |
+@@ -1734,26 +1743,15 @@ static void nvme_config_write_zeroes(struct gendisk *disk, struct nvme_ns *ns) |
2229 |
+ static int nvme_report_ns_ids(struct nvme_ctrl *ctrl, unsigned int nsid, |
2230 |
+ struct nvme_id_ns *id, struct nvme_ns_ids *ids) |
2231 |
+ { |
2232 |
+- int ret = 0; |
2233 |
+- |
2234 |
+ memset(ids, 0, sizeof(*ids)); |
2235 |
+ |
2236 |
+ if (ctrl->vs >= NVME_VS(1, 1, 0)) |
2237 |
+ memcpy(ids->eui64, id->eui64, sizeof(id->eui64)); |
2238 |
+ if (ctrl->vs >= NVME_VS(1, 2, 0)) |
2239 |
+ memcpy(ids->nguid, id->nguid, sizeof(id->nguid)); |
2240 |
+- if (ctrl->vs >= NVME_VS(1, 3, 0)) { |
2241 |
+- /* Don't treat error as fatal we potentially |
2242 |
+- * already have a NGUID or EUI-64 |
2243 |
+- */ |
2244 |
+- ret = nvme_identify_ns_descs(ctrl, nsid, ids); |
2245 |
+- if (ret) |
2246 |
+- dev_warn(ctrl->device, |
2247 |
+- "Identify Descriptors failed (%d)\n", ret); |
2248 |
+- if (ret > 0) |
2249 |
+- ret = 0; |
2250 |
+- } |
2251 |
+- return ret; |
2252 |
++ if (ctrl->vs >= NVME_VS(1, 3, 0)) |
2253 |
++ return nvme_identify_ns_descs(ctrl, nsid, ids); |
2254 |
++ return 0; |
2255 |
+ } |
2256 |
+ |
2257 |
+ static bool nvme_ns_ids_valid(struct nvme_ns_ids *ids) |
2258 |
+diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c |
2259 |
+index be6b50f454b4..d3f255c740e9 100644 |
2260 |
+--- a/drivers/staging/gasket/gasket_core.c |
2261 |
++++ b/drivers/staging/gasket/gasket_core.c |
2262 |
+@@ -926,6 +926,10 @@ do_map_region(const struct gasket_dev *gasket_dev, struct vm_area_struct *vma, |
2263 |
+ gasket_get_bar_index(gasket_dev, |
2264 |
+ (vma->vm_pgoff << PAGE_SHIFT) + |
2265 |
+ driver_desc->legacy_mmap_address_offset); |
2266 |
++ |
2267 |
++ if (bar_index < 0) |
2268 |
++ return DO_MAP_REGION_INVALID; |
2269 |
++ |
2270 |
+ phys_base = gasket_dev->bar_data[bar_index].phys_base + phys_offset; |
2271 |
+ while (mapped_bytes < map_length) { |
2272 |
+ /* |
2273 |
+diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c |
2274 |
+index b341fc60c4ba..114fbe51527c 100644 |
2275 |
+--- a/drivers/thunderbolt/usb4.c |
2276 |
++++ b/drivers/thunderbolt/usb4.c |
2277 |
+@@ -182,6 +182,9 @@ static int usb4_switch_op(struct tb_switch *sw, u16 opcode, u8 *status) |
2278 |
+ return ret; |
2279 |
+ |
2280 |
+ ret = tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_26, 1); |
2281 |
++ if (ret) |
2282 |
++ return ret; |
2283 |
++ |
2284 |
+ if (val & ROUTER_CS_26_ONS) |
2285 |
+ return -EOPNOTSUPP; |
2286 |
+ |
2287 |
+diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c |
2288 |
+index 7a9b360b0438..1d8b6993a435 100644 |
2289 |
+--- a/drivers/tty/serial/xilinx_uartps.c |
2290 |
++++ b/drivers/tty/serial/xilinx_uartps.c |
2291 |
+@@ -1471,6 +1471,7 @@ static int cdns_uart_probe(struct platform_device *pdev) |
2292 |
+ cdns_uart_uart_driver.nr = CDNS_UART_NR_PORTS; |
2293 |
+ #ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE |
2294 |
+ cdns_uart_uart_driver.cons = &cdns_uart_console; |
2295 |
++ cdns_uart_console.index = id; |
2296 |
+ #endif |
2297 |
+ |
2298 |
+ rc = uart_register_driver(&cdns_uart_uart_driver); |
2299 |
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c |
2300 |
+index cc1a04191365..699d8b56cbe7 100644 |
2301 |
+--- a/drivers/tty/vt/vt.c |
2302 |
++++ b/drivers/tty/vt/vt.c |
2303 |
+@@ -365,9 +365,14 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows) |
2304 |
+ return uniscr; |
2305 |
+ } |
2306 |
+ |
2307 |
++static void vc_uniscr_free(struct uni_screen *uniscr) |
2308 |
++{ |
2309 |
++ vfree(uniscr); |
2310 |
++} |
2311 |
++ |
2312 |
+ static void vc_uniscr_set(struct vc_data *vc, struct uni_screen *new_uniscr) |
2313 |
+ { |
2314 |
+- vfree(vc->vc_uni_screen); |
2315 |
++ vc_uniscr_free(vc->vc_uni_screen); |
2316 |
+ vc->vc_uni_screen = new_uniscr; |
2317 |
+ } |
2318 |
+ |
2319 |
+@@ -1230,7 +1235,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, |
2320 |
+ err = resize_screen(vc, new_cols, new_rows, user); |
2321 |
+ if (err) { |
2322 |
+ kfree(newscreen); |
2323 |
+- kfree(new_uniscr); |
2324 |
++ vc_uniscr_free(new_uniscr); |
2325 |
+ return err; |
2326 |
+ } |
2327 |
+ |
2328 |
+diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c |
2329 |
+index af648ba6544d..46105457e1ca 100644 |
2330 |
+--- a/drivers/usb/chipidea/ci_hdrc_msm.c |
2331 |
++++ b/drivers/usb/chipidea/ci_hdrc_msm.c |
2332 |
+@@ -114,7 +114,7 @@ static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) |
2333 |
+ hw_write_id_reg(ci, HS_PHY_GENCONFIG_2, |
2334 |
+ HS_PHY_ULPI_TX_PKT_EN_CLR_FIX, 0); |
2335 |
+ |
2336 |
+- if (!IS_ERR(ci->platdata->vbus_extcon.edev)) { |
2337 |
++ if (!IS_ERR(ci->platdata->vbus_extcon.edev) || ci->role_switch) { |
2338 |
+ hw_write_id_reg(ci, HS_PHY_GENCONFIG_2, |
2339 |
+ HS_PHY_SESS_VLD_CTRL_EN, |
2340 |
+ HS_PHY_SESS_VLD_CTRL_EN); |
2341 |
+diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c |
2342 |
+index ffd984142171..d63072fee099 100644 |
2343 |
+--- a/drivers/usb/serial/garmin_gps.c |
2344 |
++++ b/drivers/usb/serial/garmin_gps.c |
2345 |
+@@ -1138,8 +1138,8 @@ static void garmin_read_process(struct garmin_data *garmin_data_p, |
2346 |
+ send it directly to the tty port */ |
2347 |
+ if (garmin_data_p->flags & FLAGS_QUEUING) { |
2348 |
+ pkt_add(garmin_data_p, data, data_length); |
2349 |
+- } else if (bulk_data || |
2350 |
+- getLayerId(data) == GARMIN_LAYERID_APPL) { |
2351 |
++ } else if (bulk_data || (data_length >= sizeof(u32) && |
2352 |
++ getLayerId(data) == GARMIN_LAYERID_APPL)) { |
2353 |
+ |
2354 |
+ spin_lock_irqsave(&garmin_data_p->lock, flags); |
2355 |
+ garmin_data_p->flags |= APP_RESP_SEEN; |
2356 |
+diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c |
2357 |
+index 613f91add03d..ce0401d3137f 100644 |
2358 |
+--- a/drivers/usb/serial/qcserial.c |
2359 |
++++ b/drivers/usb/serial/qcserial.c |
2360 |
+@@ -173,6 +173,7 @@ static const struct usb_device_id id_table[] = { |
2361 |
+ {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ |
2362 |
+ {DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */ |
2363 |
+ {DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */ |
2364 |
++ {DEVICE_SWI(0x413c, 0x81cc)}, /* Dell Wireless 5816e */ |
2365 |
+ {DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */ |
2366 |
+ {DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */ |
2367 |
+ {DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */ |
2368 |
+diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h |
2369 |
+index 1b23741036ee..37157ed9a881 100644 |
2370 |
+--- a/drivers/usb/storage/unusual_uas.h |
2371 |
++++ b/drivers/usb/storage/unusual_uas.h |
2372 |
+@@ -28,6 +28,13 @@ |
2373 |
+ * and don't forget to CC: the USB development list <linux-usb@×××××××××××.org> |
2374 |
+ */ |
2375 |
+ |
2376 |
++/* Reported-by: Julian Groß <julian.g@××××××.de> */ |
2377 |
++UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999, |
2378 |
++ "LaCie", |
2379 |
++ "2Big Quadra USB3", |
2380 |
++ USB_SC_DEVICE, USB_PR_DEVICE, NULL, |
2381 |
++ US_FL_NO_REPORT_OPCODES), |
2382 |
++ |
2383 |
+ /* |
2384 |
+ * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI |
2385 |
+ * commands in UAS mode. Observed with the 1.28 firmware; are there others? |
2386 |
+diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c |
2387 |
+index bbbbddf71326..da7d5c9e3133 100644 |
2388 |
+--- a/fs/ceph/mds_client.c |
2389 |
++++ b/fs/ceph/mds_client.c |
2390 |
+@@ -3116,8 +3116,7 @@ static void handle_session(struct ceph_mds_session *session, |
2391 |
+ void *end = p + msg->front.iov_len; |
2392 |
+ struct ceph_mds_session_head *h; |
2393 |
+ u32 op; |
2394 |
+- u64 seq; |
2395 |
+- unsigned long features = 0; |
2396 |
++ u64 seq, features = 0; |
2397 |
+ int wake = 0; |
2398 |
+ bool blacklisted = false; |
2399 |
+ |
2400 |
+@@ -3136,9 +3135,8 @@ static void handle_session(struct ceph_mds_session *session, |
2401 |
+ goto bad; |
2402 |
+ /* version >= 3, feature bits */ |
2403 |
+ ceph_decode_32_safe(&p, end, len, bad); |
2404 |
+- ceph_decode_need(&p, end, len, bad); |
2405 |
+- memcpy(&features, p, min_t(size_t, len, sizeof(features))); |
2406 |
+- p += len; |
2407 |
++ ceph_decode_64_safe(&p, end, features, bad); |
2408 |
++ p += len - sizeof(features); |
2409 |
+ } |
2410 |
+ |
2411 |
+ mutex_lock(&mdsc->mutex); |
2412 |
+diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c |
2413 |
+index de56dee60540..19507e2fdb57 100644 |
2414 |
+--- a/fs/ceph/quota.c |
2415 |
++++ b/fs/ceph/quota.c |
2416 |
+@@ -159,8 +159,8 @@ static struct inode *lookup_quotarealm_inode(struct ceph_mds_client *mdsc, |
2417 |
+ } |
2418 |
+ |
2419 |
+ if (IS_ERR(in)) { |
2420 |
+- pr_warn("Can't lookup inode %llx (err: %ld)\n", |
2421 |
+- realm->ino, PTR_ERR(in)); |
2422 |
++ dout("Can't lookup inode %llx (err: %ld)\n", |
2423 |
++ realm->ino, PTR_ERR(in)); |
2424 |
+ qri->timeout = jiffies + msecs_to_jiffies(60 * 1000); /* XXX */ |
2425 |
+ } else { |
2426 |
+ qri->timeout = 0; |
2427 |
+diff --git a/fs/coredump.c b/fs/coredump.c |
2428 |
+index 408418e6aa13..478a0d810136 100644 |
2429 |
+--- a/fs/coredump.c |
2430 |
++++ b/fs/coredump.c |
2431 |
+@@ -788,6 +788,14 @@ void do_coredump(const kernel_siginfo_t *siginfo) |
2432 |
+ if (displaced) |
2433 |
+ put_files_struct(displaced); |
2434 |
+ if (!dump_interrupted()) { |
2435 |
++ /* |
2436 |
++ * umh disabled with CONFIG_STATIC_USERMODEHELPER_PATH="" would |
2437 |
++ * have this set to NULL. |
2438 |
++ */ |
2439 |
++ if (!cprm.file) { |
2440 |
++ pr_info("Core dump to |%s disabled\n", cn.corename); |
2441 |
++ goto close_fail; |
2442 |
++ } |
2443 |
+ file_start_write(cprm.file); |
2444 |
+ core_dumped = binfmt->core_dump(&cprm); |
2445 |
+ file_end_write(cprm.file); |
2446 |
+diff --git a/fs/eventpoll.c b/fs/eventpoll.c |
2447 |
+index eee3c92a9ebf..b0a097274cfe 100644 |
2448 |
+--- a/fs/eventpoll.c |
2449 |
++++ b/fs/eventpoll.c |
2450 |
+@@ -1149,6 +1149,10 @@ static inline bool chain_epi_lockless(struct epitem *epi) |
2451 |
+ { |
2452 |
+ struct eventpoll *ep = epi->ep; |
2453 |
+ |
2454 |
++ /* Fast preliminary check */ |
2455 |
++ if (epi->next != EP_UNACTIVE_PTR) |
2456 |
++ return false; |
2457 |
++ |
2458 |
+ /* Check that the same epi has not been just chained from another CPU */ |
2459 |
+ if (cmpxchg(&epi->next, EP_UNACTIVE_PTR, NULL) != EP_UNACTIVE_PTR) |
2460 |
+ return false; |
2461 |
+@@ -1215,16 +1219,12 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v |
2462 |
+ * chained in ep->ovflist and requeued later on. |
2463 |
+ */ |
2464 |
+ if (READ_ONCE(ep->ovflist) != EP_UNACTIVE_PTR) { |
2465 |
+- if (epi->next == EP_UNACTIVE_PTR && |
2466 |
+- chain_epi_lockless(epi)) |
2467 |
++ if (chain_epi_lockless(epi)) |
2468 |
++ ep_pm_stay_awake_rcu(epi); |
2469 |
++ } else if (!ep_is_linked(epi)) { |
2470 |
++ /* In the usual case, add event to ready list. */ |
2471 |
++ if (list_add_tail_lockless(&epi->rdllink, &ep->rdllist)) |
2472 |
+ ep_pm_stay_awake_rcu(epi); |
2473 |
+- goto out_unlock; |
2474 |
+- } |
2475 |
+- |
2476 |
+- /* If this file is already in the ready list we exit soon */ |
2477 |
+- if (!ep_is_linked(epi) && |
2478 |
+- list_add_tail_lockless(&epi->rdllink, &ep->rdllist)) { |
2479 |
+- ep_pm_stay_awake_rcu(epi); |
2480 |
+ } |
2481 |
+ |
2482 |
+ /* |
2483 |
+@@ -1800,7 +1800,6 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, |
2484 |
+ { |
2485 |
+ int res = 0, eavail, timed_out = 0; |
2486 |
+ u64 slack = 0; |
2487 |
+- bool waiter = false; |
2488 |
+ wait_queue_entry_t wait; |
2489 |
+ ktime_t expires, *to = NULL; |
2490 |
+ |
2491 |
+@@ -1845,21 +1844,23 @@ fetch_events: |
2492 |
+ */ |
2493 |
+ ep_reset_busy_poll_napi_id(ep); |
2494 |
+ |
2495 |
+- /* |
2496 |
+- * We don't have any available event to return to the caller. We need |
2497 |
+- * to sleep here, and we will be woken by ep_poll_callback() when events |
2498 |
+- * become available. |
2499 |
+- */ |
2500 |
+- if (!waiter) { |
2501 |
+- waiter = true; |
2502 |
+- init_waitqueue_entry(&wait, current); |
2503 |
+- |
2504 |
++ do { |
2505 |
++ /* |
2506 |
++ * Internally init_wait() uses autoremove_wake_function(), |
2507 |
++ * thus wait entry is removed from the wait queue on each |
2508 |
++ * wakeup. Why it is important? In case of several waiters |
2509 |
++ * each new wakeup will hit the next waiter, giving it the |
2510 |
++ * chance to harvest new event. Otherwise wakeup can be |
2511 |
++ * lost. This is also good performance-wise, because on |
2512 |
++ * normal wakeup path no need to call __remove_wait_queue() |
2513 |
++ * explicitly, thus ep->lock is not taken, which halts the |
2514 |
++ * event delivery. |
2515 |
++ */ |
2516 |
++ init_wait(&wait); |
2517 |
+ write_lock_irq(&ep->lock); |
2518 |
+ __add_wait_queue_exclusive(&ep->wq, &wait); |
2519 |
+ write_unlock_irq(&ep->lock); |
2520 |
+- } |
2521 |
+ |
2522 |
+- for (;;) { |
2523 |
+ /* |
2524 |
+ * We don't want to sleep if the ep_poll_callback() sends us |
2525 |
+ * a wakeup in between. That's why we set the task state |
2526 |
+@@ -1889,10 +1890,20 @@ fetch_events: |
2527 |
+ timed_out = 1; |
2528 |
+ break; |
2529 |
+ } |
2530 |
+- } |
2531 |
++ |
2532 |
++ /* We were woken up, thus go and try to harvest some events */ |
2533 |
++ eavail = 1; |
2534 |
++ |
2535 |
++ } while (0); |
2536 |
+ |
2537 |
+ __set_current_state(TASK_RUNNING); |
2538 |
+ |
2539 |
++ if (!list_empty_careful(&wait.entry)) { |
2540 |
++ write_lock_irq(&ep->lock); |
2541 |
++ __remove_wait_queue(&ep->wq, &wait); |
2542 |
++ write_unlock_irq(&ep->lock); |
2543 |
++ } |
2544 |
++ |
2545 |
+ send_events: |
2546 |
+ /* |
2547 |
+ * Try to transfer events to user space. In case we get 0 events and |
2548 |
+@@ -1903,12 +1914,6 @@ send_events: |
2549 |
+ !(res = ep_send_events(ep, events, maxevents)) && !timed_out) |
2550 |
+ goto fetch_events; |
2551 |
+ |
2552 |
+- if (waiter) { |
2553 |
+- write_lock_irq(&ep->lock); |
2554 |
+- __remove_wait_queue(&ep->wq, &wait); |
2555 |
+- write_unlock_irq(&ep->lock); |
2556 |
+- } |
2557 |
+- |
2558 |
+ return res; |
2559 |
+ } |
2560 |
+ |
2561 |
+diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h |
2562 |
+index 7ea4f6fa173b..4b9002f0e84c 100644 |
2563 |
+--- a/fs/ext4/ext4_jbd2.h |
2564 |
++++ b/fs/ext4/ext4_jbd2.h |
2565 |
+@@ -512,6 +512,9 @@ static inline int ext4_should_dioread_nolock(struct inode *inode) |
2566 |
+ return 0; |
2567 |
+ if (ext4_should_journal_data(inode)) |
2568 |
+ return 0; |
2569 |
++ /* temporary fix to prevent generic/422 test failures */ |
2570 |
++ if (!test_opt(inode->i_sb, DELALLOC)) |
2571 |
++ return 0; |
2572 |
+ return 1; |
2573 |
+ } |
2574 |
+ |
2575 |
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c |
2576 |
+index 446158ab507d..70796de7c468 100644 |
2577 |
+--- a/fs/ext4/super.c |
2578 |
++++ b/fs/ext4/super.c |
2579 |
+@@ -2181,6 +2181,14 @@ static int parse_options(char *options, struct super_block *sb, |
2580 |
+ } |
2581 |
+ } |
2582 |
+ #endif |
2583 |
++ if (test_opt(sb, DIOREAD_NOLOCK)) { |
2584 |
++ int blocksize = |
2585 |
++ BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); |
2586 |
++ if (blocksize < PAGE_SIZE) |
2587 |
++ ext4_msg(sb, KERN_WARNING, "Warning: mounting with an " |
2588 |
++ "experimental mount option 'dioread_nolock' " |
2589 |
++ "for blocksize < PAGE_SIZE"); |
2590 |
++ } |
2591 |
+ return 1; |
2592 |
+ } |
2593 |
+ |
2594 |
+@@ -3787,7 +3795,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
2595 |
+ set_opt(sb, NO_UID32); |
2596 |
+ /* xattr user namespace & acls are now defaulted on */ |
2597 |
+ set_opt(sb, XATTR_USER); |
2598 |
+- set_opt(sb, DIOREAD_NOLOCK); |
2599 |
+ #ifdef CONFIG_EXT4_FS_POSIX_ACL |
2600 |
+ set_opt(sb, POSIX_ACL); |
2601 |
+ #endif |
2602 |
+@@ -3837,6 +3844,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
2603 |
+ sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT; |
2604 |
+ |
2605 |
+ blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); |
2606 |
++ |
2607 |
++ if (blocksize == PAGE_SIZE) |
2608 |
++ set_opt(sb, DIOREAD_NOLOCK); |
2609 |
++ |
2610 |
+ if (blocksize < EXT4_MIN_BLOCK_SIZE || |
2611 |
+ blocksize > EXT4_MAX_BLOCK_SIZE) { |
2612 |
+ ext4_msg(sb, KERN_ERR, |
2613 |
+diff --git a/fs/io_uring.c b/fs/io_uring.c |
2614 |
+index 38b25f599896..9690c845a3e4 100644 |
2615 |
+--- a/fs/io_uring.c |
2616 |
++++ b/fs/io_uring.c |
2617 |
+@@ -696,8 +696,6 @@ static const struct io_op_def io_op_defs[] = { |
2618 |
+ .needs_file = 1, |
2619 |
+ }, |
2620 |
+ [IORING_OP_OPENAT] = { |
2621 |
+- .needs_file = 1, |
2622 |
+- .fd_non_neg = 1, |
2623 |
+ .file_table = 1, |
2624 |
+ .needs_fs = 1, |
2625 |
+ }, |
2626 |
+@@ -711,8 +709,6 @@ static const struct io_op_def io_op_defs[] = { |
2627 |
+ }, |
2628 |
+ [IORING_OP_STATX] = { |
2629 |
+ .needs_mm = 1, |
2630 |
+- .needs_file = 1, |
2631 |
+- .fd_non_neg = 1, |
2632 |
+ .needs_fs = 1, |
2633 |
+ .file_table = 1, |
2634 |
+ }, |
2635 |
+@@ -743,8 +739,6 @@ static const struct io_op_def io_op_defs[] = { |
2636 |
+ .unbound_nonreg_file = 1, |
2637 |
+ }, |
2638 |
+ [IORING_OP_OPENAT2] = { |
2639 |
+- .needs_file = 1, |
2640 |
+- .fd_non_neg = 1, |
2641 |
+ .file_table = 1, |
2642 |
+ .needs_fs = 1, |
2643 |
+ }, |
2644 |
+diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c |
2645 |
+index 5778d1347b35..f5d30573f4a9 100644 |
2646 |
+--- a/fs/notify/fanotify/fanotify.c |
2647 |
++++ b/fs/notify/fanotify/fanotify.c |
2648 |
+@@ -26,7 +26,7 @@ static bool should_merge(struct fsnotify_event *old_fsn, |
2649 |
+ old = FANOTIFY_E(old_fsn); |
2650 |
+ new = FANOTIFY_E(new_fsn); |
2651 |
+ |
2652 |
+- if (old_fsn->inode != new_fsn->inode || old->pid != new->pid || |
2653 |
++ if (old_fsn->objectid != new_fsn->objectid || old->pid != new->pid || |
2654 |
+ old->fh_type != new->fh_type || old->fh_len != new->fh_len) |
2655 |
+ return false; |
2656 |
+ |
2657 |
+@@ -314,7 +314,12 @@ struct fanotify_event *fanotify_alloc_event(struct fsnotify_group *group, |
2658 |
+ if (!event) |
2659 |
+ goto out; |
2660 |
+ init: __maybe_unused |
2661 |
+- fsnotify_init_event(&event->fse, inode); |
2662 |
++ /* |
2663 |
++ * Use the victim inode instead of the watching inode as the id for |
2664 |
++ * event queue, so event reported on parent is merged with event |
2665 |
++ * reported on child when both directory and child watches exist. |
2666 |
++ */ |
2667 |
++ fsnotify_init_event(&event->fse, (unsigned long)id); |
2668 |
+ event->mask = mask; |
2669 |
+ if (FAN_GROUP_FLAG(group, FAN_REPORT_TID)) |
2670 |
+ event->pid = get_pid(task_pid(current)); |
2671 |
+diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c |
2672 |
+index d510223d302c..589dee962993 100644 |
2673 |
+--- a/fs/notify/inotify/inotify_fsnotify.c |
2674 |
++++ b/fs/notify/inotify/inotify_fsnotify.c |
2675 |
+@@ -39,7 +39,7 @@ static bool event_compare(struct fsnotify_event *old_fsn, |
2676 |
+ if (old->mask & FS_IN_IGNORED) |
2677 |
+ return false; |
2678 |
+ if ((old->mask == new->mask) && |
2679 |
+- (old_fsn->inode == new_fsn->inode) && |
2680 |
++ (old_fsn->objectid == new_fsn->objectid) && |
2681 |
+ (old->name_len == new->name_len) && |
2682 |
+ (!old->name_len || !strcmp(old->name, new->name))) |
2683 |
+ return true; |
2684 |
+@@ -118,7 +118,7 @@ int inotify_handle_event(struct fsnotify_group *group, |
2685 |
+ mask &= ~IN_ISDIR; |
2686 |
+ |
2687 |
+ fsn_event = &event->fse; |
2688 |
+- fsnotify_init_event(fsn_event, inode); |
2689 |
++ fsnotify_init_event(fsn_event, (unsigned long)inode); |
2690 |
+ event->mask = mask; |
2691 |
+ event->wd = i_mark->wd; |
2692 |
+ event->sync_cookie = cookie; |
2693 |
+diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c |
2694 |
+index 107537a543fd..81ffc8629fc4 100644 |
2695 |
+--- a/fs/notify/inotify/inotify_user.c |
2696 |
++++ b/fs/notify/inotify/inotify_user.c |
2697 |
+@@ -635,7 +635,7 @@ static struct fsnotify_group *inotify_new_group(unsigned int max_events) |
2698 |
+ return ERR_PTR(-ENOMEM); |
2699 |
+ } |
2700 |
+ group->overflow_event = &oevent->fse; |
2701 |
+- fsnotify_init_event(group->overflow_event, NULL); |
2702 |
++ fsnotify_init_event(group->overflow_event, 0); |
2703 |
+ oevent->mask = FS_Q_OVERFLOW; |
2704 |
+ oevent->wd = -1; |
2705 |
+ oevent->sync_cookie = 0; |
2706 |
+diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h |
2707 |
+index 26f0ecf401ea..0bbfd647f5c6 100644 |
2708 |
+--- a/include/linux/amba/bus.h |
2709 |
++++ b/include/linux/amba/bus.h |
2710 |
+@@ -65,6 +65,7 @@ struct amba_device { |
2711 |
+ struct device dev; |
2712 |
+ struct resource res; |
2713 |
+ struct clk *pclk; |
2714 |
++ struct device_dma_parameters dma_parms; |
2715 |
+ unsigned int periphid; |
2716 |
+ unsigned int cid; |
2717 |
+ struct amba_cs_uci_id uci; |
2718 |
+diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h |
2719 |
+index 4fc87dee005a..2849bdbb3acb 100644 |
2720 |
+--- a/include/linux/backing-dev-defs.h |
2721 |
++++ b/include/linux/backing-dev-defs.h |
2722 |
+@@ -220,6 +220,7 @@ struct backing_dev_info { |
2723 |
+ wait_queue_head_t wb_waitq; |
2724 |
+ |
2725 |
+ struct device *dev; |
2726 |
++ char dev_name[64]; |
2727 |
+ struct device *owner; |
2728 |
+ |
2729 |
+ struct timer_list laptop_mode_wb_timer; |
2730 |
+diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h |
2731 |
+index f88197c1ffc2..c9ad5c3b7b4b 100644 |
2732 |
+--- a/include/linux/backing-dev.h |
2733 |
++++ b/include/linux/backing-dev.h |
2734 |
+@@ -505,13 +505,6 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi) |
2735 |
+ (1 << WB_async_congested)); |
2736 |
+ } |
2737 |
+ |
2738 |
+-extern const char *bdi_unknown_name; |
2739 |
+- |
2740 |
+-static inline const char *bdi_dev_name(struct backing_dev_info *bdi) |
2741 |
+-{ |
2742 |
+- if (!bdi || !bdi->dev) |
2743 |
+- return bdi_unknown_name; |
2744 |
+- return dev_name(bdi->dev); |
2745 |
+-} |
2746 |
++const char *bdi_dev_name(struct backing_dev_info *bdi); |
2747 |
+ |
2748 |
+ #endif /* _LINUX_BACKING_DEV_H */ |
2749 |
+diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h |
2750 |
+index 1915bdba2fad..64cfb5446f4d 100644 |
2751 |
+--- a/include/linux/fsnotify_backend.h |
2752 |
++++ b/include/linux/fsnotify_backend.h |
2753 |
+@@ -133,8 +133,7 @@ struct fsnotify_ops { |
2754 |
+ */ |
2755 |
+ struct fsnotify_event { |
2756 |
+ struct list_head list; |
2757 |
+- /* inode may ONLY be dereferenced during handle_event(). */ |
2758 |
+- struct inode *inode; /* either the inode the event happened to or its parent */ |
2759 |
++ unsigned long objectid; /* identifier for queue merges */ |
2760 |
+ }; |
2761 |
+ |
2762 |
+ /* |
2763 |
+@@ -500,10 +499,10 @@ extern void fsnotify_finish_user_wait(struct fsnotify_iter_info *iter_info); |
2764 |
+ extern bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info); |
2765 |
+ |
2766 |
+ static inline void fsnotify_init_event(struct fsnotify_event *event, |
2767 |
+- struct inode *inode) |
2768 |
++ unsigned long objectid) |
2769 |
+ { |
2770 |
+ INIT_LIST_HEAD(&event->list); |
2771 |
+- event->inode = inode; |
2772 |
++ event->objectid = objectid; |
2773 |
+ } |
2774 |
+ |
2775 |
+ #else |
2776 |
+diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h |
2777 |
+index 041bfa412aa0..81900b3cbe37 100644 |
2778 |
+--- a/include/linux/platform_device.h |
2779 |
++++ b/include/linux/platform_device.h |
2780 |
+@@ -25,6 +25,7 @@ struct platform_device { |
2781 |
+ bool id_auto; |
2782 |
+ struct device dev; |
2783 |
+ u64 platform_dma_mask; |
2784 |
++ struct device_dma_parameters dma_parms; |
2785 |
+ u32 num_resources; |
2786 |
+ struct resource *resource; |
2787 |
+ |
2788 |
+diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h |
2789 |
+index 0d1fe9297ac6..6f6ade63b04c 100644 |
2790 |
+--- a/include/linux/virtio_net.h |
2791 |
++++ b/include/linux/virtio_net.h |
2792 |
+@@ -3,6 +3,8 @@ |
2793 |
+ #define _LINUX_VIRTIO_NET_H |
2794 |
+ |
2795 |
+ #include <linux/if_vlan.h> |
2796 |
++#include <uapi/linux/tcp.h> |
2797 |
++#include <uapi/linux/udp.h> |
2798 |
+ #include <uapi/linux/virtio_net.h> |
2799 |
+ |
2800 |
+ static inline int virtio_net_hdr_set_proto(struct sk_buff *skb, |
2801 |
+@@ -28,17 +30,25 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, |
2802 |
+ bool little_endian) |
2803 |
+ { |
2804 |
+ unsigned int gso_type = 0; |
2805 |
++ unsigned int thlen = 0; |
2806 |
++ unsigned int ip_proto; |
2807 |
+ |
2808 |
+ if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { |
2809 |
+ switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { |
2810 |
+ case VIRTIO_NET_HDR_GSO_TCPV4: |
2811 |
+ gso_type = SKB_GSO_TCPV4; |
2812 |
++ ip_proto = IPPROTO_TCP; |
2813 |
++ thlen = sizeof(struct tcphdr); |
2814 |
+ break; |
2815 |
+ case VIRTIO_NET_HDR_GSO_TCPV6: |
2816 |
+ gso_type = SKB_GSO_TCPV6; |
2817 |
++ ip_proto = IPPROTO_TCP; |
2818 |
++ thlen = sizeof(struct tcphdr); |
2819 |
+ break; |
2820 |
+ case VIRTIO_NET_HDR_GSO_UDP: |
2821 |
+ gso_type = SKB_GSO_UDP; |
2822 |
++ ip_proto = IPPROTO_UDP; |
2823 |
++ thlen = sizeof(struct udphdr); |
2824 |
+ break; |
2825 |
+ default: |
2826 |
+ return -EINVAL; |
2827 |
+@@ -57,16 +67,22 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, |
2828 |
+ |
2829 |
+ if (!skb_partial_csum_set(skb, start, off)) |
2830 |
+ return -EINVAL; |
2831 |
++ |
2832 |
++ if (skb_transport_offset(skb) + thlen > skb_headlen(skb)) |
2833 |
++ return -EINVAL; |
2834 |
+ } else { |
2835 |
+ /* gso packets without NEEDS_CSUM do not set transport_offset. |
2836 |
+ * probe and drop if does not match one of the above types. |
2837 |
+ */ |
2838 |
+ if (gso_type && skb->network_header) { |
2839 |
++ struct flow_keys_basic keys; |
2840 |
++ |
2841 |
+ if (!skb->protocol) |
2842 |
+ virtio_net_hdr_set_proto(skb, hdr); |
2843 |
+ retry: |
2844 |
+- skb_probe_transport_header(skb); |
2845 |
+- if (!skb_transport_header_was_set(skb)) { |
2846 |
++ if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys, |
2847 |
++ NULL, 0, 0, 0, |
2848 |
++ 0)) { |
2849 |
+ /* UFO does not specify ipv4 or 6: try both */ |
2850 |
+ if (gso_type & SKB_GSO_UDP && |
2851 |
+ skb->protocol == htons(ETH_P_IP)) { |
2852 |
+@@ -75,6 +91,12 @@ retry: |
2853 |
+ } |
2854 |
+ return -EINVAL; |
2855 |
+ } |
2856 |
++ |
2857 |
++ if (keys.control.thoff + thlen > skb_headlen(skb) || |
2858 |
++ keys.basic.ip_proto != ip_proto) |
2859 |
++ return -EINVAL; |
2860 |
++ |
2861 |
++ skb_set_transport_header(skb, keys.control.thoff); |
2862 |
+ } |
2863 |
+ } |
2864 |
+ |
2865 |
+diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h |
2866 |
+index c8e2bebd8d93..0f0d1efe06dd 100644 |
2867 |
+--- a/include/net/inet_ecn.h |
2868 |
++++ b/include/net/inet_ecn.h |
2869 |
+@@ -99,6 +99,20 @@ static inline int IP_ECN_set_ce(struct iphdr *iph) |
2870 |
+ return 1; |
2871 |
+ } |
2872 |
+ |
2873 |
++static inline int IP_ECN_set_ect1(struct iphdr *iph) |
2874 |
++{ |
2875 |
++ u32 check = (__force u32)iph->check; |
2876 |
++ |
2877 |
++ if ((iph->tos & INET_ECN_MASK) != INET_ECN_ECT_0) |
2878 |
++ return 0; |
2879 |
++ |
2880 |
++ check += (__force u16)htons(0x100); |
2881 |
++ |
2882 |
++ iph->check = (__force __sum16)(check + (check>=0xFFFF)); |
2883 |
++ iph->tos ^= INET_ECN_MASK; |
2884 |
++ return 1; |
2885 |
++} |
2886 |
++ |
2887 |
+ static inline void IP_ECN_clear(struct iphdr *iph) |
2888 |
+ { |
2889 |
+ iph->tos &= ~INET_ECN_MASK; |
2890 |
+@@ -134,6 +148,22 @@ static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph) |
2891 |
+ return 1; |
2892 |
+ } |
2893 |
+ |
2894 |
++static inline int IP6_ECN_set_ect1(struct sk_buff *skb, struct ipv6hdr *iph) |
2895 |
++{ |
2896 |
++ __be32 from, to; |
2897 |
++ |
2898 |
++ if ((ipv6_get_dsfield(iph) & INET_ECN_MASK) != INET_ECN_ECT_0) |
2899 |
++ return 0; |
2900 |
++ |
2901 |
++ from = *(__be32 *)iph; |
2902 |
++ to = from ^ htonl(INET_ECN_MASK << 20); |
2903 |
++ *(__be32 *)iph = to; |
2904 |
++ if (skb->ip_summed == CHECKSUM_COMPLETE) |
2905 |
++ skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)from), |
2906 |
++ (__force __wsum)to); |
2907 |
++ return 1; |
2908 |
++} |
2909 |
++ |
2910 |
+ static inline void ipv6_copy_dscp(unsigned int dscp, struct ipv6hdr *inner) |
2911 |
+ { |
2912 |
+ dscp &= ~INET_ECN_MASK; |
2913 |
+@@ -159,6 +189,25 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb) |
2914 |
+ return 0; |
2915 |
+ } |
2916 |
+ |
2917 |
++static inline int INET_ECN_set_ect1(struct sk_buff *skb) |
2918 |
++{ |
2919 |
++ switch (skb->protocol) { |
2920 |
++ case cpu_to_be16(ETH_P_IP): |
2921 |
++ if (skb_network_header(skb) + sizeof(struct iphdr) <= |
2922 |
++ skb_tail_pointer(skb)) |
2923 |
++ return IP_ECN_set_ect1(ip_hdr(skb)); |
2924 |
++ break; |
2925 |
++ |
2926 |
++ case cpu_to_be16(ETH_P_IPV6): |
2927 |
++ if (skb_network_header(skb) + sizeof(struct ipv6hdr) <= |
2928 |
++ skb_tail_pointer(skb)) |
2929 |
++ return IP6_ECN_set_ect1(skb, ipv6_hdr(skb)); |
2930 |
++ break; |
2931 |
++ } |
2932 |
++ |
2933 |
++ return 0; |
2934 |
++} |
2935 |
++ |
2936 |
+ /* |
2937 |
+ * RFC 6040 4.2 |
2938 |
+ * To decapsulate the inner header at the tunnel egress, a compliant |
2939 |
+@@ -208,8 +257,12 @@ static inline int INET_ECN_decapsulate(struct sk_buff *skb, |
2940 |
+ int rc; |
2941 |
+ |
2942 |
+ rc = __INET_ECN_decapsulate(outer, inner, &set_ce); |
2943 |
+- if (!rc && set_ce) |
2944 |
+- INET_ECN_set_ce(skb); |
2945 |
++ if (!rc) { |
2946 |
++ if (set_ce) |
2947 |
++ INET_ECN_set_ce(skb); |
2948 |
++ else if ((outer & INET_ECN_MASK) == INET_ECN_ECT_1) |
2949 |
++ INET_ECN_set_ect1(skb); |
2950 |
++ } |
2951 |
+ |
2952 |
+ return rc; |
2953 |
+ } |
2954 |
+diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h |
2955 |
+index fd60a8ac02ee..98ec56e2fae2 100644 |
2956 |
+--- a/include/net/ip6_fib.h |
2957 |
++++ b/include/net/ip6_fib.h |
2958 |
+@@ -204,6 +204,7 @@ struct fib6_info { |
2959 |
+ struct rt6_info { |
2960 |
+ struct dst_entry dst; |
2961 |
+ struct fib6_info __rcu *from; |
2962 |
++ int sernum; |
2963 |
+ |
2964 |
+ struct rt6key rt6i_dst; |
2965 |
+ struct rt6key rt6i_src; |
2966 |
+@@ -292,6 +293,9 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt) |
2967 |
+ struct fib6_info *from; |
2968 |
+ u32 cookie = 0; |
2969 |
+ |
2970 |
++ if (rt->sernum) |
2971 |
++ return rt->sernum; |
2972 |
++ |
2973 |
+ rcu_read_lock(); |
2974 |
+ |
2975 |
+ from = rcu_dereference(rt->from); |
2976 |
+diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h |
2977 |
+index 854d39ef1ca3..9cdb67e3a553 100644 |
2978 |
+--- a/include/net/net_namespace.h |
2979 |
++++ b/include/net/net_namespace.h |
2980 |
+@@ -432,6 +432,13 @@ static inline int rt_genid_ipv4(const struct net *net) |
2981 |
+ return atomic_read(&net->ipv4.rt_genid); |
2982 |
+ } |
2983 |
+ |
2984 |
++#if IS_ENABLED(CONFIG_IPV6) |
2985 |
++static inline int rt_genid_ipv6(const struct net *net) |
2986 |
++{ |
2987 |
++ return atomic_read(&net->ipv6.fib6_sernum); |
2988 |
++} |
2989 |
++#endif |
2990 |
++ |
2991 |
+ static inline void rt_genid_bump_ipv4(struct net *net) |
2992 |
+ { |
2993 |
+ atomic_inc(&net->ipv4.rt_genid); |
2994 |
+diff --git a/ipc/mqueue.c b/ipc/mqueue.c |
2995 |
+index 49a05ba3000d..3ba0ea3d5920 100644 |
2996 |
+--- a/ipc/mqueue.c |
2997 |
++++ b/ipc/mqueue.c |
2998 |
+@@ -142,6 +142,7 @@ struct mqueue_inode_info { |
2999 |
+ |
3000 |
+ struct sigevent notify; |
3001 |
+ struct pid *notify_owner; |
3002 |
++ u32 notify_self_exec_id; |
3003 |
+ struct user_namespace *notify_user_ns; |
3004 |
+ struct user_struct *user; /* user who created, for accounting */ |
3005 |
+ struct sock *notify_sock; |
3006 |
+@@ -774,28 +775,44 @@ static void __do_notify(struct mqueue_inode_info *info) |
3007 |
+ * synchronously. */ |
3008 |
+ if (info->notify_owner && |
3009 |
+ info->attr.mq_curmsgs == 1) { |
3010 |
+- struct kernel_siginfo sig_i; |
3011 |
+ switch (info->notify.sigev_notify) { |
3012 |
+ case SIGEV_NONE: |
3013 |
+ break; |
3014 |
+- case SIGEV_SIGNAL: |
3015 |
+- /* sends signal */ |
3016 |
++ case SIGEV_SIGNAL: { |
3017 |
++ struct kernel_siginfo sig_i; |
3018 |
++ struct task_struct *task; |
3019 |
++ |
3020 |
++ /* do_mq_notify() accepts sigev_signo == 0, why?? */ |
3021 |
++ if (!info->notify.sigev_signo) |
3022 |
++ break; |
3023 |
+ |
3024 |
+ clear_siginfo(&sig_i); |
3025 |
+ sig_i.si_signo = info->notify.sigev_signo; |
3026 |
+ sig_i.si_errno = 0; |
3027 |
+ sig_i.si_code = SI_MESGQ; |
3028 |
+ sig_i.si_value = info->notify.sigev_value; |
3029 |
+- /* map current pid/uid into info->owner's namespaces */ |
3030 |
+ rcu_read_lock(); |
3031 |
++ /* map current pid/uid into info->owner's namespaces */ |
3032 |
+ sig_i.si_pid = task_tgid_nr_ns(current, |
3033 |
+ ns_of_pid(info->notify_owner)); |
3034 |
+- sig_i.si_uid = from_kuid_munged(info->notify_user_ns, current_uid()); |
3035 |
++ sig_i.si_uid = from_kuid_munged(info->notify_user_ns, |
3036 |
++ current_uid()); |
3037 |
++ /* |
3038 |
++ * We can't use kill_pid_info(), this signal should |
3039 |
++ * bypass check_kill_permission(). It is from kernel |
3040 |
++ * but si_fromuser() can't know this. |
3041 |
++ * We do check the self_exec_id, to avoid sending |
3042 |
++ * signals to programs that don't expect them. |
3043 |
++ */ |
3044 |
++ task = pid_task(info->notify_owner, PIDTYPE_TGID); |
3045 |
++ if (task && task->self_exec_id == |
3046 |
++ info->notify_self_exec_id) { |
3047 |
++ do_send_sig_info(info->notify.sigev_signo, |
3048 |
++ &sig_i, task, PIDTYPE_TGID); |
3049 |
++ } |
3050 |
+ rcu_read_unlock(); |
3051 |
+- |
3052 |
+- kill_pid_info(info->notify.sigev_signo, |
3053 |
+- &sig_i, info->notify_owner); |
3054 |
+ break; |
3055 |
++ } |
3056 |
+ case SIGEV_THREAD: |
3057 |
+ set_cookie(info->notify_cookie, NOTIFY_WOKENUP); |
3058 |
+ netlink_sendskb(info->notify_sock, info->notify_cookie); |
3059 |
+@@ -1384,6 +1401,7 @@ retry: |
3060 |
+ info->notify.sigev_signo = notification->sigev_signo; |
3061 |
+ info->notify.sigev_value = notification->sigev_value; |
3062 |
+ info->notify.sigev_notify = SIGEV_SIGNAL; |
3063 |
++ info->notify_self_exec_id = current->self_exec_id; |
3064 |
+ break; |
3065 |
+ } |
3066 |
+ |
3067 |
+diff --git a/kernel/trace/preemptirq_delay_test.c b/kernel/trace/preemptirq_delay_test.c |
3068 |
+index 31c0fad4cb9e..c4c86de63cf9 100644 |
3069 |
+--- a/kernel/trace/preemptirq_delay_test.c |
3070 |
++++ b/kernel/trace/preemptirq_delay_test.c |
3071 |
+@@ -113,22 +113,42 @@ static int preemptirq_delay_run(void *data) |
3072 |
+ |
3073 |
+ for (i = 0; i < s; i++) |
3074 |
+ (testfuncs[i])(i); |
3075 |
++ |
3076 |
++ set_current_state(TASK_INTERRUPTIBLE); |
3077 |
++ while (!kthread_should_stop()) { |
3078 |
++ schedule(); |
3079 |
++ set_current_state(TASK_INTERRUPTIBLE); |
3080 |
++ } |
3081 |
++ |
3082 |
++ __set_current_state(TASK_RUNNING); |
3083 |
++ |
3084 |
+ return 0; |
3085 |
+ } |
3086 |
+ |
3087 |
+-static struct task_struct *preemptirq_start_test(void) |
3088 |
++static int preemptirq_run_test(void) |
3089 |
+ { |
3090 |
++ struct task_struct *task; |
3091 |
++ |
3092 |
+ char task_name[50]; |
3093 |
+ |
3094 |
+ snprintf(task_name, sizeof(task_name), "%s_test", test_mode); |
3095 |
+- return kthread_run(preemptirq_delay_run, NULL, task_name); |
3096 |
++ task = kthread_run(preemptirq_delay_run, NULL, task_name); |
3097 |
++ if (IS_ERR(task)) |
3098 |
++ return PTR_ERR(task); |
3099 |
++ if (task) |
3100 |
++ kthread_stop(task); |
3101 |
++ return 0; |
3102 |
+ } |
3103 |
+ |
3104 |
+ |
3105 |
+ static ssize_t trigger_store(struct kobject *kobj, struct kobj_attribute *attr, |
3106 |
+ const char *buf, size_t count) |
3107 |
+ { |
3108 |
+- preemptirq_start_test(); |
3109 |
++ ssize_t ret; |
3110 |
++ |
3111 |
++ ret = preemptirq_run_test(); |
3112 |
++ if (ret) |
3113 |
++ return ret; |
3114 |
+ return count; |
3115 |
+ } |
3116 |
+ |
3117 |
+@@ -148,11 +168,9 @@ static struct kobject *preemptirq_delay_kobj; |
3118 |
+ |
3119 |
+ static int __init preemptirq_delay_init(void) |
3120 |
+ { |
3121 |
+- struct task_struct *test_task; |
3122 |
+ int retval; |
3123 |
+ |
3124 |
+- test_task = preemptirq_start_test(); |
3125 |
+- retval = PTR_ERR_OR_ZERO(test_task); |
3126 |
++ retval = preemptirq_run_test(); |
3127 |
+ if (retval != 0) |
3128 |
+ return retval; |
3129 |
+ |
3130 |
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c |
3131 |
+index 6b11e4e2150c..5f0aa5d66e22 100644 |
3132 |
+--- a/kernel/trace/trace.c |
3133 |
++++ b/kernel/trace/trace.c |
3134 |
+@@ -8452,6 +8452,19 @@ static int allocate_trace_buffers(struct trace_array *tr, int size) |
3135 |
+ */ |
3136 |
+ allocate_snapshot = false; |
3137 |
+ #endif |
3138 |
++ |
3139 |
++ /* |
3140 |
++ * Because of some magic with the way alloc_percpu() works on |
3141 |
++ * x86_64, we need to synchronize the pgd of all the tables, |
3142 |
++ * otherwise the trace events that happen in x86_64 page fault |
3143 |
++ * handlers can't cope with accessing the chance that a |
3144 |
++ * alloc_percpu()'d memory might be touched in the page fault trace |
3145 |
++ * event. Oh, and we need to audit all other alloc_percpu() and vmalloc() |
3146 |
++ * calls in tracing, because something might get triggered within a |
3147 |
++ * page fault trace event! |
3148 |
++ */ |
3149 |
++ vmalloc_sync_mappings(); |
3150 |
++ |
3151 |
+ return 0; |
3152 |
+ } |
3153 |
+ |
3154 |
+diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c |
3155 |
+index 06d7feb5255f..9de29bb45a27 100644 |
3156 |
+--- a/kernel/trace/trace_boot.c |
3157 |
++++ b/kernel/trace/trace_boot.c |
3158 |
+@@ -95,24 +95,20 @@ trace_boot_add_kprobe_event(struct xbc_node *node, const char *event) |
3159 |
+ struct xbc_node *anode; |
3160 |
+ char buf[MAX_BUF_LEN]; |
3161 |
+ const char *val; |
3162 |
+- int ret; |
3163 |
++ int ret = 0; |
3164 |
+ |
3165 |
+- kprobe_event_cmd_init(&cmd, buf, MAX_BUF_LEN); |
3166 |
++ xbc_node_for_each_array_value(node, "probes", anode, val) { |
3167 |
++ kprobe_event_cmd_init(&cmd, buf, MAX_BUF_LEN); |
3168 |
+ |
3169 |
+- ret = kprobe_event_gen_cmd_start(&cmd, event, NULL); |
3170 |
+- if (ret) |
3171 |
+- return ret; |
3172 |
++ ret = kprobe_event_gen_cmd_start(&cmd, event, val); |
3173 |
++ if (ret) |
3174 |
++ break; |
3175 |
+ |
3176 |
+- xbc_node_for_each_array_value(node, "probes", anode, val) { |
3177 |
+- ret = kprobe_event_add_field(&cmd, val); |
3178 |
++ ret = kprobe_event_gen_cmd_end(&cmd); |
3179 |
+ if (ret) |
3180 |
+- return ret; |
3181 |
++ pr_err("Failed to add probe: %s\n", buf); |
3182 |
+ } |
3183 |
+ |
3184 |
+- ret = kprobe_event_gen_cmd_end(&cmd); |
3185 |
+- if (ret) |
3186 |
+- pr_err("Failed to add probe: %s\n", buf); |
3187 |
+- |
3188 |
+ return ret; |
3189 |
+ } |
3190 |
+ #else |
3191 |
+diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c |
3192 |
+index d0568af4a0ef..35989383ae11 100644 |
3193 |
+--- a/kernel/trace/trace_kprobe.c |
3194 |
++++ b/kernel/trace/trace_kprobe.c |
3195 |
+@@ -453,7 +453,7 @@ static bool __within_notrace_func(unsigned long addr) |
3196 |
+ |
3197 |
+ static bool within_notrace_func(struct trace_kprobe *tk) |
3198 |
+ { |
3199 |
+- unsigned long addr = addr = trace_kprobe_address(tk); |
3200 |
++ unsigned long addr = trace_kprobe_address(tk); |
3201 |
+ char symname[KSYM_NAME_LEN], *p; |
3202 |
+ |
3203 |
+ if (!__within_notrace_func(addr)) |
3204 |
+@@ -940,6 +940,9 @@ EXPORT_SYMBOL_GPL(kprobe_event_cmd_init); |
3205 |
+ * complete command or only the first part of it; in the latter case, |
3206 |
+ * kprobe_event_add_fields() can be used to add more fields following this. |
3207 |
+ * |
3208 |
++ * Unlikely the synth_event_gen_cmd_start(), @loc must be specified. This |
3209 |
++ * returns -EINVAL if @loc == NULL. |
3210 |
++ * |
3211 |
+ * Return: 0 if successful, error otherwise. |
3212 |
+ */ |
3213 |
+ int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, bool kretprobe, |
3214 |
+@@ -953,6 +956,9 @@ int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, bool kretprobe, |
3215 |
+ if (cmd->type != DYNEVENT_TYPE_KPROBE) |
3216 |
+ return -EINVAL; |
3217 |
+ |
3218 |
++ if (!loc) |
3219 |
++ return -EINVAL; |
3220 |
++ |
3221 |
+ if (kretprobe) |
3222 |
+ snprintf(buf, MAX_EVENT_NAME_LEN, "r:kprobes/%s", name); |
3223 |
+ else |
3224 |
+diff --git a/kernel/umh.c b/kernel/umh.c |
3225 |
+index 7f255b5a8845..11bf5eea474c 100644 |
3226 |
+--- a/kernel/umh.c |
3227 |
++++ b/kernel/umh.c |
3228 |
+@@ -544,6 +544,11 @@ EXPORT_SYMBOL_GPL(fork_usermode_blob); |
3229 |
+ * Runs a user-space application. The application is started |
3230 |
+ * asynchronously if wait is not set, and runs as a child of system workqueues. |
3231 |
+ * (ie. it runs with full root capabilities and optimized affinity). |
3232 |
++ * |
3233 |
++ * Note: successful return value does not guarantee the helper was called at |
3234 |
++ * all. You can't rely on sub_info->{init,cleanup} being called even for |
3235 |
++ * UMH_WAIT_* wait modes as STATIC_USERMODEHELPER_PATH="" turns all helpers |
3236 |
++ * into a successful no-op. |
3237 |
+ */ |
3238 |
+ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait) |
3239 |
+ { |
3240 |
+diff --git a/mm/backing-dev.c b/mm/backing-dev.c |
3241 |
+index 62f05f605fb5..3f2480e4c5af 100644 |
3242 |
+--- a/mm/backing-dev.c |
3243 |
++++ b/mm/backing-dev.c |
3244 |
+@@ -21,7 +21,7 @@ struct backing_dev_info noop_backing_dev_info = { |
3245 |
+ EXPORT_SYMBOL_GPL(noop_backing_dev_info); |
3246 |
+ |
3247 |
+ static struct class *bdi_class; |
3248 |
+-const char *bdi_unknown_name = "(unknown)"; |
3249 |
++static const char *bdi_unknown_name = "(unknown)"; |
3250 |
+ |
3251 |
+ /* |
3252 |
+ * bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU |
3253 |
+@@ -938,7 +938,8 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args) |
3254 |
+ if (bdi->dev) /* The driver needs to use separate queues per device */ |
3255 |
+ return 0; |
3256 |
+ |
3257 |
+- dev = device_create_vargs(bdi_class, NULL, MKDEV(0, 0), bdi, fmt, args); |
3258 |
++ vsnprintf(bdi->dev_name, sizeof(bdi->dev_name), fmt, args); |
3259 |
++ dev = device_create(bdi_class, NULL, MKDEV(0, 0), bdi, bdi->dev_name); |
3260 |
+ if (IS_ERR(dev)) |
3261 |
+ return PTR_ERR(dev); |
3262 |
+ |
3263 |
+@@ -1043,6 +1044,14 @@ void bdi_put(struct backing_dev_info *bdi) |
3264 |
+ } |
3265 |
+ EXPORT_SYMBOL(bdi_put); |
3266 |
+ |
3267 |
++const char *bdi_dev_name(struct backing_dev_info *bdi) |
3268 |
++{ |
3269 |
++ if (!bdi || !bdi->dev) |
3270 |
++ return bdi_unknown_name; |
3271 |
++ return bdi->dev_name; |
3272 |
++} |
3273 |
++EXPORT_SYMBOL_GPL(bdi_dev_name); |
3274 |
++ |
3275 |
+ static wait_queue_head_t congestion_wqh[2] = { |
3276 |
+ __WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[0]), |
3277 |
+ __WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[1]) |
3278 |
+diff --git a/mm/memcontrol.c b/mm/memcontrol.c |
3279 |
+index 615d73acd0da..537eae162ed3 100644 |
3280 |
+--- a/mm/memcontrol.c |
3281 |
++++ b/mm/memcontrol.c |
3282 |
+@@ -4977,19 +4977,22 @@ static struct mem_cgroup *mem_cgroup_alloc(void) |
3283 |
+ unsigned int size; |
3284 |
+ int node; |
3285 |
+ int __maybe_unused i; |
3286 |
++ long error = -ENOMEM; |
3287 |
+ |
3288 |
+ size = sizeof(struct mem_cgroup); |
3289 |
+ size += nr_node_ids * sizeof(struct mem_cgroup_per_node *); |
3290 |
+ |
3291 |
+ memcg = kzalloc(size, GFP_KERNEL); |
3292 |
+ if (!memcg) |
3293 |
+- return NULL; |
3294 |
++ return ERR_PTR(error); |
3295 |
+ |
3296 |
+ memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL, |
3297 |
+ 1, MEM_CGROUP_ID_MAX, |
3298 |
+ GFP_KERNEL); |
3299 |
+- if (memcg->id.id < 0) |
3300 |
++ if (memcg->id.id < 0) { |
3301 |
++ error = memcg->id.id; |
3302 |
+ goto fail; |
3303 |
++ } |
3304 |
+ |
3305 |
+ memcg->vmstats_local = alloc_percpu(struct memcg_vmstats_percpu); |
3306 |
+ if (!memcg->vmstats_local) |
3307 |
+@@ -5033,7 +5036,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void) |
3308 |
+ fail: |
3309 |
+ mem_cgroup_id_remove(memcg); |
3310 |
+ __mem_cgroup_free(memcg); |
3311 |
+- return NULL; |
3312 |
++ return ERR_PTR(error); |
3313 |
+ } |
3314 |
+ |
3315 |
+ static struct cgroup_subsys_state * __ref |
3316 |
+@@ -5044,8 +5047,8 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) |
3317 |
+ long error = -ENOMEM; |
3318 |
+ |
3319 |
+ memcg = mem_cgroup_alloc(); |
3320 |
+- if (!memcg) |
3321 |
+- return ERR_PTR(error); |
3322 |
++ if (IS_ERR(memcg)) |
3323 |
++ return ERR_CAST(memcg); |
3324 |
+ |
3325 |
+ memcg->high = PAGE_COUNTER_MAX; |
3326 |
+ memcg->soft_limit = PAGE_COUNTER_MAX; |
3327 |
+@@ -5095,7 +5098,7 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) |
3328 |
+ fail: |
3329 |
+ mem_cgroup_id_remove(memcg); |
3330 |
+ mem_cgroup_free(memcg); |
3331 |
+- return ERR_PTR(-ENOMEM); |
3332 |
++ return ERR_PTR(error); |
3333 |
+ } |
3334 |
+ |
3335 |
+ static int mem_cgroup_css_online(struct cgroup_subsys_state *css) |
3336 |
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c |
3337 |
+index 3c4eb750a199..a97de355a13c 100644 |
3338 |
+--- a/mm/page_alloc.c |
3339 |
++++ b/mm/page_alloc.c |
3340 |
+@@ -1555,6 +1555,7 @@ void set_zone_contiguous(struct zone *zone) |
3341 |
+ if (!__pageblock_pfn_to_page(block_start_pfn, |
3342 |
+ block_end_pfn, zone)) |
3343 |
+ return; |
3344 |
++ cond_resched(); |
3345 |
+ } |
3346 |
+ |
3347 |
+ /* We confirm that there is no hole */ |
3348 |
+@@ -2350,6 +2351,14 @@ static inline void boost_watermark(struct zone *zone) |
3349 |
+ |
3350 |
+ if (!watermark_boost_factor) |
3351 |
+ return; |
3352 |
++ /* |
3353 |
++ * Don't bother in zones that are unlikely to produce results. |
3354 |
++ * On small machines, including kdump capture kernels running |
3355 |
++ * in a small area, boosting the watermark can cause an out of |
3356 |
++ * memory situation immediately. |
3357 |
++ */ |
3358 |
++ if ((pageblock_nr_pages * 4) > zone_managed_pages(zone)) |
3359 |
++ return; |
3360 |
+ |
3361 |
+ max_boost = mult_frac(zone->_watermark[WMARK_HIGH], |
3362 |
+ watermark_boost_factor, 10000); |
3363 |
+diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c |
3364 |
+index 969466218999..80b87b1f4e3a 100644 |
3365 |
+--- a/net/batman-adv/bat_v_ogm.c |
3366 |
++++ b/net/batman-adv/bat_v_ogm.c |
3367 |
+@@ -893,7 +893,7 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset, |
3368 |
+ |
3369 |
+ orig_node = batadv_v_ogm_orig_get(bat_priv, ogm_packet->orig); |
3370 |
+ if (!orig_node) |
3371 |
+- return; |
3372 |
++ goto out; |
3373 |
+ |
3374 |
+ neigh_node = batadv_neigh_node_get_or_create(orig_node, if_incoming, |
3375 |
+ ethhdr->h_source); |
3376 |
+diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c |
3377 |
+index 8f0717c3f7b5..b0469d15da0e 100644 |
3378 |
+--- a/net/batman-adv/network-coding.c |
3379 |
++++ b/net/batman-adv/network-coding.c |
3380 |
+@@ -1009,15 +1009,8 @@ static struct batadv_nc_path *batadv_nc_get_path(struct batadv_priv *bat_priv, |
3381 |
+ */ |
3382 |
+ static u8 batadv_nc_random_weight_tq(u8 tq) |
3383 |
+ { |
3384 |
+- u8 rand_val, rand_tq; |
3385 |
+- |
3386 |
+- get_random_bytes(&rand_val, sizeof(rand_val)); |
3387 |
+- |
3388 |
+ /* randomize the estimated packet loss (max TQ - estimated TQ) */ |
3389 |
+- rand_tq = rand_val * (BATADV_TQ_MAX_VALUE - tq); |
3390 |
+- |
3391 |
+- /* normalize the randomized packet loss */ |
3392 |
+- rand_tq /= BATADV_TQ_MAX_VALUE; |
3393 |
++ u8 rand_tq = prandom_u32_max(BATADV_TQ_MAX_VALUE + 1 - tq); |
3394 |
+ |
3395 |
+ /* convert to (randomized) estimated tq again */ |
3396 |
+ return BATADV_TQ_MAX_VALUE - rand_tq; |
3397 |
+diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c |
3398 |
+index c45962d8527b..0f962dcd239e 100644 |
3399 |
+--- a/net/batman-adv/sysfs.c |
3400 |
++++ b/net/batman-adv/sysfs.c |
3401 |
+@@ -1150,7 +1150,7 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj, |
3402 |
+ ret = batadv_parse_throughput(net_dev, buff, "throughput_override", |
3403 |
+ &tp_override); |
3404 |
+ if (!ret) |
3405 |
+- return count; |
3406 |
++ goto out; |
3407 |
+ |
3408 |
+ old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
3409 |
+ if (old_tp_override == tp_override) |
3410 |
+@@ -1190,6 +1190,7 @@ static ssize_t batadv_show_throughput_override(struct kobject *kobj, |
3411 |
+ |
3412 |
+ tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
3413 |
+ |
3414 |
++ batadv_hardif_put(hard_iface); |
3415 |
+ return sprintf(buff, "%u.%u MBit\n", tp_override / 10, |
3416 |
+ tp_override % 10); |
3417 |
+ } |
3418 |
+diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c |
3419 |
+index 43dab4066f91..a0f5dbee8f9c 100644 |
3420 |
+--- a/net/bridge/br_netlink.c |
3421 |
++++ b/net/bridge/br_netlink.c |
3422 |
+@@ -612,6 +612,7 @@ int br_process_vlan_info(struct net_bridge *br, |
3423 |
+ v - 1, rtm_cmd); |
3424 |
+ v_change_start = 0; |
3425 |
+ } |
3426 |
++ cond_resched(); |
3427 |
+ } |
3428 |
+ /* v_change_start is set only if the last/whole range changed */ |
3429 |
+ if (v_change_start) |
3430 |
+diff --git a/net/core/devlink.c b/net/core/devlink.c |
3431 |
+index b831c5545d6a..b4e26b702352 100644 |
3432 |
+--- a/net/core/devlink.c |
3433 |
++++ b/net/core/devlink.c |
3434 |
+@@ -4030,6 +4030,11 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, |
3435 |
+ end_offset = nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]); |
3436 |
+ end_offset += nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]); |
3437 |
+ dump = false; |
3438 |
++ |
3439 |
++ if (start_offset == end_offset) { |
3440 |
++ err = 0; |
3441 |
++ goto nla_put_failure; |
3442 |
++ } |
3443 |
+ } |
3444 |
+ |
3445 |
+ err = devlink_nl_region_read_snapshot_fill(skb, devlink, |
3446 |
+@@ -5029,6 +5034,7 @@ int devlink_health_report(struct devlink_health_reporter *reporter, |
3447 |
+ { |
3448 |
+ enum devlink_health_reporter_state prev_health_state; |
3449 |
+ struct devlink *devlink = reporter->devlink; |
3450 |
++ unsigned long recover_ts_threshold; |
3451 |
+ |
3452 |
+ /* write a log message of the current error */ |
3453 |
+ WARN_ON(!msg); |
3454 |
+@@ -5039,10 +5045,12 @@ int devlink_health_report(struct devlink_health_reporter *reporter, |
3455 |
+ devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER); |
3456 |
+ |
3457 |
+ /* abort if the previous error wasn't recovered */ |
3458 |
++ recover_ts_threshold = reporter->last_recovery_ts + |
3459 |
++ msecs_to_jiffies(reporter->graceful_period); |
3460 |
+ if (reporter->auto_recover && |
3461 |
+ (prev_health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY || |
3462 |
+- jiffies - reporter->last_recovery_ts < |
3463 |
+- msecs_to_jiffies(reporter->graceful_period))) { |
3464 |
++ (reporter->last_recovery_ts && reporter->recovery_count && |
3465 |
++ time_is_after_jiffies(recover_ts_threshold)))) { |
3466 |
+ trace_devlink_health_recover_aborted(devlink, |
3467 |
+ reporter->ops->name, |
3468 |
+ reporter->health_state, |
3469 |
+diff --git a/net/core/neighbour.c b/net/core/neighbour.c |
3470 |
+index 789a73aa7bd8..04953e5f2530 100644 |
3471 |
+--- a/net/core/neighbour.c |
3472 |
++++ b/net/core/neighbour.c |
3473 |
+@@ -1954,6 +1954,9 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, |
3474 |
+ NEIGH_UPDATE_F_OVERRIDE_ISROUTER); |
3475 |
+ } |
3476 |
+ |
3477 |
++ if (protocol) |
3478 |
++ neigh->protocol = protocol; |
3479 |
++ |
3480 |
+ if (ndm->ndm_flags & NTF_EXT_LEARNED) |
3481 |
+ flags |= NEIGH_UPDATE_F_EXT_LEARNED; |
3482 |
+ |
3483 |
+@@ -1967,9 +1970,6 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, |
3484 |
+ err = __neigh_update(neigh, lladdr, ndm->ndm_state, flags, |
3485 |
+ NETLINK_CB(skb).portid, extack); |
3486 |
+ |
3487 |
+- if (protocol) |
3488 |
+- neigh->protocol = protocol; |
3489 |
+- |
3490 |
+ neigh_release(neigh); |
3491 |
+ |
3492 |
+ out: |
3493 |
+diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c |
3494 |
+index e7c30b472034..154b639d27b8 100644 |
3495 |
+--- a/net/dsa/dsa2.c |
3496 |
++++ b/net/dsa/dsa2.c |
3497 |
+@@ -459,7 +459,7 @@ static int dsa_tree_setup_switches(struct dsa_switch_tree *dst) |
3498 |
+ list_for_each_entry(dp, &dst->ports, list) { |
3499 |
+ err = dsa_port_setup(dp); |
3500 |
+ if (err) |
3501 |
+- goto teardown; |
3502 |
++ continue; |
3503 |
+ } |
3504 |
+ |
3505 |
+ return 0; |
3506 |
+diff --git a/net/dsa/master.c b/net/dsa/master.c |
3507 |
+index bd44bde272f4..4f5219e2e63c 100644 |
3508 |
+--- a/net/dsa/master.c |
3509 |
++++ b/net/dsa/master.c |
3510 |
+@@ -289,7 +289,8 @@ static void dsa_master_ndo_teardown(struct net_device *dev) |
3511 |
+ { |
3512 |
+ struct dsa_port *cpu_dp = dev->dsa_ptr; |
3513 |
+ |
3514 |
+- dev->netdev_ops = cpu_dp->orig_ndo_ops; |
3515 |
++ if (cpu_dp->orig_ndo_ops) |
3516 |
++ dev->netdev_ops = cpu_dp->orig_ndo_ops; |
3517 |
+ cpu_dp->orig_ndo_ops = NULL; |
3518 |
+ } |
3519 |
+ |
3520 |
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c |
3521 |
+index 2931224b674e..42d0596dd398 100644 |
3522 |
+--- a/net/ipv6/route.c |
3523 |
++++ b/net/ipv6/route.c |
3524 |
+@@ -1388,9 +1388,18 @@ static struct rt6_info *ip6_rt_pcpu_alloc(const struct fib6_result *res) |
3525 |
+ } |
3526 |
+ ip6_rt_copy_init(pcpu_rt, res); |
3527 |
+ pcpu_rt->rt6i_flags |= RTF_PCPU; |
3528 |
++ |
3529 |
++ if (f6i->nh) |
3530 |
++ pcpu_rt->sernum = rt_genid_ipv6(dev_net(dev)); |
3531 |
++ |
3532 |
+ return pcpu_rt; |
3533 |
+ } |
3534 |
+ |
3535 |
++static bool rt6_is_valid(const struct rt6_info *rt6) |
3536 |
++{ |
3537 |
++ return rt6->sernum == rt_genid_ipv6(dev_net(rt6->dst.dev)); |
3538 |
++} |
3539 |
++ |
3540 |
+ /* It should be called with rcu_read_lock() acquired */ |
3541 |
+ static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res) |
3542 |
+ { |
3543 |
+@@ -1398,6 +1407,19 @@ static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res) |
3544 |
+ |
3545 |
+ pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu); |
3546 |
+ |
3547 |
++ if (pcpu_rt && pcpu_rt->sernum && !rt6_is_valid(pcpu_rt)) { |
3548 |
++ struct rt6_info *prev, **p; |
3549 |
++ |
3550 |
++ p = this_cpu_ptr(res->nh->rt6i_pcpu); |
3551 |
++ prev = xchg(p, NULL); |
3552 |
++ if (prev) { |
3553 |
++ dst_dev_put(&prev->dst); |
3554 |
++ dst_release(&prev->dst); |
3555 |
++ } |
3556 |
++ |
3557 |
++ pcpu_rt = NULL; |
3558 |
++ } |
3559 |
++ |
3560 |
+ return pcpu_rt; |
3561 |
+ } |
3562 |
+ |
3563 |
+@@ -2596,6 +2618,9 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) |
3564 |
+ |
3565 |
+ rt = container_of(dst, struct rt6_info, dst); |
3566 |
+ |
3567 |
++ if (rt->sernum) |
3568 |
++ return rt6_is_valid(rt) ? dst : NULL; |
3569 |
++ |
3570 |
+ rcu_read_lock(); |
3571 |
+ |
3572 |
+ /* All IPV6 dsts are created with ->obsolete set to the value |
3573 |
+diff --git a/net/netfilter/nf_nat_proto.c b/net/netfilter/nf_nat_proto.c |
3574 |
+index 3d816a1e5442..59151dc07fdc 100644 |
3575 |
+--- a/net/netfilter/nf_nat_proto.c |
3576 |
++++ b/net/netfilter/nf_nat_proto.c |
3577 |
+@@ -68,15 +68,13 @@ static bool udp_manip_pkt(struct sk_buff *skb, |
3578 |
+ enum nf_nat_manip_type maniptype) |
3579 |
+ { |
3580 |
+ struct udphdr *hdr; |
3581 |
+- bool do_csum; |
3582 |
+ |
3583 |
+ if (skb_ensure_writable(skb, hdroff + sizeof(*hdr))) |
3584 |
+ return false; |
3585 |
+ |
3586 |
+ hdr = (struct udphdr *)(skb->data + hdroff); |
3587 |
+- do_csum = hdr->check || skb->ip_summed == CHECKSUM_PARTIAL; |
3588 |
++ __udp_manip_pkt(skb, iphdroff, hdr, tuple, maniptype, !!hdr->check); |
3589 |
+ |
3590 |
+- __udp_manip_pkt(skb, iphdroff, hdr, tuple, maniptype, do_csum); |
3591 |
+ return true; |
3592 |
+ } |
3593 |
+ |
3594 |
+diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c |
3595 |
+index 9f5dea0064ea..916a3c7f9eaf 100644 |
3596 |
+--- a/net/netfilter/nfnetlink_osf.c |
3597 |
++++ b/net/netfilter/nfnetlink_osf.c |
3598 |
+@@ -165,12 +165,12 @@ static bool nf_osf_match_one(const struct sk_buff *skb, |
3599 |
+ static const struct tcphdr *nf_osf_hdr_ctx_init(struct nf_osf_hdr_ctx *ctx, |
3600 |
+ const struct sk_buff *skb, |
3601 |
+ const struct iphdr *ip, |
3602 |
+- unsigned char *opts) |
3603 |
++ unsigned char *opts, |
3604 |
++ struct tcphdr *_tcph) |
3605 |
+ { |
3606 |
+ const struct tcphdr *tcp; |
3607 |
+- struct tcphdr _tcph; |
3608 |
+ |
3609 |
+- tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), &_tcph); |
3610 |
++ tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), _tcph); |
3611 |
+ if (!tcp) |
3612 |
+ return NULL; |
3613 |
+ |
3614 |
+@@ -205,10 +205,11 @@ nf_osf_match(const struct sk_buff *skb, u_int8_t family, |
3615 |
+ int fmatch = FMATCH_WRONG; |
3616 |
+ struct nf_osf_hdr_ctx ctx; |
3617 |
+ const struct tcphdr *tcp; |
3618 |
++ struct tcphdr _tcph; |
3619 |
+ |
3620 |
+ memset(&ctx, 0, sizeof(ctx)); |
3621 |
+ |
3622 |
+- tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts); |
3623 |
++ tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts, &_tcph); |
3624 |
+ if (!tcp) |
3625 |
+ return false; |
3626 |
+ |
3627 |
+@@ -265,10 +266,11 @@ bool nf_osf_find(const struct sk_buff *skb, |
3628 |
+ const struct nf_osf_finger *kf; |
3629 |
+ struct nf_osf_hdr_ctx ctx; |
3630 |
+ const struct tcphdr *tcp; |
3631 |
++ struct tcphdr _tcph; |
3632 |
+ |
3633 |
+ memset(&ctx, 0, sizeof(ctx)); |
3634 |
+ |
3635 |
+- tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts); |
3636 |
++ tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts, &_tcph); |
3637 |
+ if (!tcp) |
3638 |
+ return false; |
3639 |
+ |
3640 |
+diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c |
3641 |
+index a36974e9c601..1bcf8fbfd40e 100644 |
3642 |
+--- a/net/sched/sch_choke.c |
3643 |
++++ b/net/sched/sch_choke.c |
3644 |
+@@ -323,7 +323,8 @@ static void choke_reset(struct Qdisc *sch) |
3645 |
+ |
3646 |
+ sch->q.qlen = 0; |
3647 |
+ sch->qstats.backlog = 0; |
3648 |
+- memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *)); |
3649 |
++ if (q->tab) |
3650 |
++ memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *)); |
3651 |
+ q->head = q->tail = 0; |
3652 |
+ red_restart(&q->vars); |
3653 |
+ } |
3654 |
+diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c |
3655 |
+index 968519ff36e9..436160be9c18 100644 |
3656 |
+--- a/net/sched/sch_fq_codel.c |
3657 |
++++ b/net/sched/sch_fq_codel.c |
3658 |
+@@ -416,7 +416,7 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt, |
3659 |
+ q->quantum = max(256U, nla_get_u32(tb[TCA_FQ_CODEL_QUANTUM])); |
3660 |
+ |
3661 |
+ if (tb[TCA_FQ_CODEL_DROP_BATCH_SIZE]) |
3662 |
+- q->drop_batch_size = min(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])); |
3663 |
++ q->drop_batch_size = max(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])); |
3664 |
+ |
3665 |
+ if (tb[TCA_FQ_CODEL_MEMORY_LIMIT]) |
3666 |
+ q->memory_limit = min(1U << 31, nla_get_u32(tb[TCA_FQ_CODEL_MEMORY_LIMIT])); |
3667 |
+diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c |
3668 |
+index c787d4d46017..5a6def5e4e6d 100644 |
3669 |
+--- a/net/sched/sch_sfq.c |
3670 |
++++ b/net/sched/sch_sfq.c |
3671 |
+@@ -637,6 +637,15 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) |
3672 |
+ if (ctl->divisor && |
3673 |
+ (!is_power_of_2(ctl->divisor) || ctl->divisor > 65536)) |
3674 |
+ return -EINVAL; |
3675 |
++ |
3676 |
++ /* slot->allot is a short, make sure quantum is not too big. */ |
3677 |
++ if (ctl->quantum) { |
3678 |
++ unsigned int scaled = SFQ_ALLOT_SIZE(ctl->quantum); |
3679 |
++ |
3680 |
++ if (scaled <= 0 || scaled > SHRT_MAX) |
3681 |
++ return -EINVAL; |
3682 |
++ } |
3683 |
++ |
3684 |
+ if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max, |
3685 |
+ ctl_v1->Wlog)) |
3686 |
+ return -EINVAL; |
3687 |
+diff --git a/net/sched/sch_skbprio.c b/net/sched/sch_skbprio.c |
3688 |
+index 0fb10abf7579..7a5e4c454715 100644 |
3689 |
+--- a/net/sched/sch_skbprio.c |
3690 |
++++ b/net/sched/sch_skbprio.c |
3691 |
+@@ -169,6 +169,9 @@ static int skbprio_change(struct Qdisc *sch, struct nlattr *opt, |
3692 |
+ { |
3693 |
+ struct tc_skbprio_qopt *ctl = nla_data(opt); |
3694 |
+ |
3695 |
++ if (opt->nla_len != nla_attr_size(sizeof(*ctl))) |
3696 |
++ return -EINVAL; |
3697 |
++ |
3698 |
+ sch->limit = ctl->limit; |
3699 |
+ return 0; |
3700 |
+ } |
3701 |
+diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c |
3702 |
+index 6a16af4b1ef6..26788f4a3b9e 100644 |
3703 |
+--- a/net/sctp/sm_statefuns.c |
3704 |
++++ b/net/sctp/sm_statefuns.c |
3705 |
+@@ -1865,7 +1865,7 @@ static enum sctp_disposition sctp_sf_do_dupcook_a( |
3706 |
+ */ |
3707 |
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); |
3708 |
+ return sctp_sf_do_9_2_start_shutdown(net, ep, asoc, |
3709 |
+- SCTP_ST_CHUNK(0), NULL, |
3710 |
++ SCTP_ST_CHUNK(0), repl, |
3711 |
+ commands); |
3712 |
+ } else { |
3713 |
+ sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, |
3714 |
+@@ -5470,7 +5470,7 @@ enum sctp_disposition sctp_sf_do_9_2_start_shutdown( |
3715 |
+ * in the Cumulative TSN Ack field the last sequential TSN it |
3716 |
+ * has received from the peer. |
3717 |
+ */ |
3718 |
+- reply = sctp_make_shutdown(asoc, NULL); |
3719 |
++ reply = sctp_make_shutdown(asoc, arg); |
3720 |
+ if (!reply) |
3721 |
+ goto nomem; |
3722 |
+ |
3723 |
+@@ -6068,7 +6068,7 @@ enum sctp_disposition sctp_sf_autoclose_timer_expire( |
3724 |
+ disposition = SCTP_DISPOSITION_CONSUME; |
3725 |
+ if (sctp_outq_is_empty(&asoc->outqueue)) { |
3726 |
+ disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type, |
3727 |
+- arg, commands); |
3728 |
++ NULL, commands); |
3729 |
+ } |
3730 |
+ |
3731 |
+ return disposition; |
3732 |
+diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c |
3733 |
+index 3a12fc18239b..73dbed0c4b6b 100644 |
3734 |
+--- a/net/tipc/topsrv.c |
3735 |
++++ b/net/tipc/topsrv.c |
3736 |
+@@ -402,10 +402,11 @@ static int tipc_conn_rcv_from_sock(struct tipc_conn *con) |
3737 |
+ read_lock_bh(&sk->sk_callback_lock); |
3738 |
+ ret = tipc_conn_rcv_sub(srv, con, &s); |
3739 |
+ read_unlock_bh(&sk->sk_callback_lock); |
3740 |
++ if (!ret) |
3741 |
++ return 0; |
3742 |
+ } |
3743 |
+- if (ret < 0) |
3744 |
+- tipc_conn_close(con); |
3745 |
+ |
3746 |
++ tipc_conn_close(con); |
3747 |
+ return ret; |
3748 |
+ } |
3749 |
+ |
3750 |
+diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c |
3751 |
+index c98e602a1a2d..e23f94a5549b 100644 |
3752 |
+--- a/net/tls/tls_sw.c |
3753 |
++++ b/net/tls/tls_sw.c |
3754 |
+@@ -800,6 +800,8 @@ static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk, |
3755 |
+ *copied -= sk_msg_free(sk, msg); |
3756 |
+ tls_free_open_rec(sk); |
3757 |
+ } |
3758 |
++ if (psock) |
3759 |
++ sk_psock_put(sk, psock); |
3760 |
+ return err; |
3761 |
+ } |
3762 |
+ more_data: |
3763 |
+@@ -2081,8 +2083,9 @@ static void tls_data_ready(struct sock *sk) |
3764 |
+ strp_data_ready(&ctx->strp); |
3765 |
+ |
3766 |
+ psock = sk_psock_get(sk); |
3767 |
+- if (psock && !list_empty(&psock->ingress_msg)) { |
3768 |
+- ctx->saved_data_ready(sk); |
3769 |
++ if (psock) { |
3770 |
++ if (!list_empty(&psock->ingress_msg)) |
3771 |
++ ctx->saved_data_ready(sk); |
3772 |
+ sk_psock_put(sk, psock); |
3773 |
+ } |
3774 |
+ } |
3775 |
+diff --git a/scripts/decodecode b/scripts/decodecode |
3776 |
+index ba8b8d5834e6..fbdb325cdf4f 100755 |
3777 |
+--- a/scripts/decodecode |
3778 |
++++ b/scripts/decodecode |
3779 |
+@@ -126,7 +126,7 @@ faultlinenum=$(( $(wc -l $T.oo | cut -d" " -f1) - \ |
3780 |
+ faultline=`cat $T.dis | head -1 | cut -d":" -f2-` |
3781 |
+ faultline=`echo "$faultline" | sed -e 's/\[/\\\[/g; s/\]/\\\]/g'` |
3782 |
+ |
3783 |
+-cat $T.oo | sed -e "${faultlinenum}s/^\(.*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/" |
3784 |
++cat $T.oo | sed -e "${faultlinenum}s/^\([^:]*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/" |
3785 |
+ echo |
3786 |
+ cat $T.aa |
3787 |
+ cleanup |
3788 |
+diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py |
3789 |
+index 7427a5ee761b..9d8e9613008a 100644 |
3790 |
+--- a/tools/cgroup/iocost_monitor.py |
3791 |
++++ b/tools/cgroup/iocost_monitor.py |
3792 |
+@@ -159,7 +159,12 @@ class IocgStat: |
3793 |
+ else: |
3794 |
+ self.inflight_pct = 0 |
3795 |
+ |
3796 |
+- self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000 |
3797 |
++ # vdebt used to be an atomic64_t and is now u64, support both |
3798 |
++ try: |
3799 |
++ self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000 |
3800 |
++ except: |
3801 |
++ self.debt_ms = iocg.abs_vdebt.value_() / VTIME_PER_USEC / 1000 |
3802 |
++ |
3803 |
+ self.use_delay = blkg.use_delay.counter.value_() |
3804 |
+ self.delay_ms = blkg.delay_nsec.counter.value_() / 1_000_000 |
3805 |
+ |
3806 |
+diff --git a/tools/objtool/check.c b/tools/objtool/check.c |
3807 |
+index 95c485d3d4d8..f9ffb548b4fa 100644 |
3808 |
+--- a/tools/objtool/check.c |
3809 |
++++ b/tools/objtool/check.c |
3810 |
+@@ -1403,7 +1403,7 @@ static int update_insn_state_regs(struct instruction *insn, struct insn_state *s |
3811 |
+ struct cfi_reg *cfa = &state->cfa; |
3812 |
+ struct stack_op *op = &insn->stack_op; |
3813 |
+ |
3814 |
+- if (cfa->base != CFI_SP) |
3815 |
++ if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT) |
3816 |
+ return 0; |
3817 |
+ |
3818 |
+ /* push */ |
3819 |
+diff --git a/tools/testing/selftests/net/tcp_mmap.c b/tools/testing/selftests/net/tcp_mmap.c |
3820 |
+index 35505b31e5cc..4555f88252ba 100644 |
3821 |
+--- a/tools/testing/selftests/net/tcp_mmap.c |
3822 |
++++ b/tools/testing/selftests/net/tcp_mmap.c |
3823 |
+@@ -165,9 +165,10 @@ void *child_thread(void *arg) |
3824 |
+ socklen_t zc_len = sizeof(zc); |
3825 |
+ int res; |
3826 |
+ |
3827 |
++ memset(&zc, 0, sizeof(zc)); |
3828 |
+ zc.address = (__u64)((unsigned long)addr); |
3829 |
+ zc.length = chunk_size; |
3830 |
+- zc.recv_skip_hint = 0; |
3831 |
++ |
3832 |
+ res = getsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, |
3833 |
+ &zc, &zc_len); |
3834 |
+ if (res == -1) |
3835 |
+@@ -281,12 +282,14 @@ static void setup_sockaddr(int domain, const char *str_addr, |
3836 |
+ static void do_accept(int fdlisten) |
3837 |
+ { |
3838 |
+ pthread_attr_t attr; |
3839 |
++ int rcvlowat; |
3840 |
+ |
3841 |
+ pthread_attr_init(&attr); |
3842 |
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
3843 |
+ |
3844 |
++ rcvlowat = chunk_size; |
3845 |
+ if (setsockopt(fdlisten, SOL_SOCKET, SO_RCVLOWAT, |
3846 |
+- &chunk_size, sizeof(chunk_size)) == -1) { |
3847 |
++ &rcvlowat, sizeof(rcvlowat)) == -1) { |
3848 |
+ perror("setsockopt SO_RCVLOWAT"); |
3849 |
+ } |
3850 |
+ |
3851 |
+diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh |
3852 |
+index 936e1ca9410e..17a1f53ceba0 100755 |
3853 |
+--- a/tools/testing/selftests/wireguard/netns.sh |
3854 |
++++ b/tools/testing/selftests/wireguard/netns.sh |
3855 |
+@@ -48,8 +48,11 @@ cleanup() { |
3856 |
+ exec 2>/dev/null |
3857 |
+ printf "$orig_message_cost" > /proc/sys/net/core/message_cost |
3858 |
+ ip0 link del dev wg0 |
3859 |
++ ip0 link del dev wg1 |
3860 |
+ ip1 link del dev wg0 |
3861 |
++ ip1 link del dev wg1 |
3862 |
+ ip2 link del dev wg0 |
3863 |
++ ip2 link del dev wg1 |
3864 |
+ local to_kill="$(ip netns pids $netns0) $(ip netns pids $netns1) $(ip netns pids $netns2)" |
3865 |
+ [[ -n $to_kill ]] && kill $to_kill |
3866 |
+ pp ip netns del $netns1 |
3867 |
+@@ -77,18 +80,20 @@ ip0 link set wg0 netns $netns2 |
3868 |
+ key1="$(pp wg genkey)" |
3869 |
+ key2="$(pp wg genkey)" |
3870 |
+ key3="$(pp wg genkey)" |
3871 |
++key4="$(pp wg genkey)" |
3872 |
+ pub1="$(pp wg pubkey <<<"$key1")" |
3873 |
+ pub2="$(pp wg pubkey <<<"$key2")" |
3874 |
+ pub3="$(pp wg pubkey <<<"$key3")" |
3875 |
++pub4="$(pp wg pubkey <<<"$key4")" |
3876 |
+ psk="$(pp wg genpsk)" |
3877 |
+ [[ -n $key1 && -n $key2 && -n $psk ]] |
3878 |
+ |
3879 |
+ configure_peers() { |
3880 |
+ ip1 addr add 192.168.241.1/24 dev wg0 |
3881 |
+- ip1 addr add fd00::1/24 dev wg0 |
3882 |
++ ip1 addr add fd00::1/112 dev wg0 |
3883 |
+ |
3884 |
+ ip2 addr add 192.168.241.2/24 dev wg0 |
3885 |
+- ip2 addr add fd00::2/24 dev wg0 |
3886 |
++ ip2 addr add fd00::2/112 dev wg0 |
3887 |
+ |
3888 |
+ n1 wg set wg0 \ |
3889 |
+ private-key <(echo "$key1") \ |
3890 |
+@@ -230,9 +235,38 @@ n1 ping -W 1 -c 1 192.168.241.2 |
3891 |
+ n1 wg set wg0 private-key <(echo "$key3") |
3892 |
+ n2 wg set wg0 peer "$pub3" preshared-key <(echo "$psk") allowed-ips 192.168.241.1/32 peer "$pub1" remove |
3893 |
+ n1 ping -W 1 -c 1 192.168.241.2 |
3894 |
++n2 wg set wg0 peer "$pub3" remove |
3895 |
++ |
3896 |
++# Test that we can route wg through wg |
3897 |
++ip1 addr flush dev wg0 |
3898 |
++ip2 addr flush dev wg0 |
3899 |
++ip1 addr add fd00::5:1/112 dev wg0 |
3900 |
++ip2 addr add fd00::5:2/112 dev wg0 |
3901 |
++n1 wg set wg0 private-key <(echo "$key1") peer "$pub2" preshared-key <(echo "$psk") allowed-ips fd00::5:2/128 endpoint 127.0.0.1:2 |
3902 |
++n2 wg set wg0 private-key <(echo "$key2") listen-port 2 peer "$pub1" preshared-key <(echo "$psk") allowed-ips fd00::5:1/128 endpoint 127.212.121.99:9998 |
3903 |
++ip1 link add wg1 type wireguard |
3904 |
++ip2 link add wg1 type wireguard |
3905 |
++ip1 addr add 192.168.241.1/24 dev wg1 |
3906 |
++ip1 addr add fd00::1/112 dev wg1 |
3907 |
++ip2 addr add 192.168.241.2/24 dev wg1 |
3908 |
++ip2 addr add fd00::2/112 dev wg1 |
3909 |
++ip1 link set mtu 1340 up dev wg1 |
3910 |
++ip2 link set mtu 1340 up dev wg1 |
3911 |
++n1 wg set wg1 listen-port 5 private-key <(echo "$key3") peer "$pub4" allowed-ips 192.168.241.2/32,fd00::2/128 endpoint [fd00::5:2]:5 |
3912 |
++n2 wg set wg1 listen-port 5 private-key <(echo "$key4") peer "$pub3" allowed-ips 192.168.241.1/32,fd00::1/128 endpoint [fd00::5:1]:5 |
3913 |
++tests |
3914 |
++# Try to set up a routing loop between the two namespaces |
3915 |
++ip1 link set netns $netns0 dev wg1 |
3916 |
++ip0 addr add 192.168.241.1/24 dev wg1 |
3917 |
++ip0 link set up dev wg1 |
3918 |
++n0 ping -W 1 -c 1 192.168.241.2 |
3919 |
++n1 wg set wg0 peer "$pub2" endpoint 192.168.241.2:7 |
3920 |
++ip2 link del wg0 |
3921 |
++ip2 link del wg1 |
3922 |
++! n0 ping -W 1 -c 10 -f 192.168.241.2 || false # Should not crash kernel |
3923 |
+ |
3924 |
++ip0 link del wg1 |
3925 |
+ ip1 link del wg0 |
3926 |
+-ip2 link del wg0 |
3927 |
+ |
3928 |
+ # Test using NAT. We now change the topology to this: |
3929 |
+ # ┌────────────────────────────────────────┐ ┌────────────────────────────────────────────────┐ ┌────────────────────────────────────────┐ |
3930 |
+@@ -282,6 +316,20 @@ pp sleep 3 |
3931 |
+ n2 ping -W 1 -c 1 192.168.241.1 |
3932 |
+ n1 wg set wg0 peer "$pub2" persistent-keepalive 0 |
3933 |
+ |
3934 |
++# Test that onion routing works, even when it loops |
3935 |
++n1 wg set wg0 peer "$pub3" allowed-ips 192.168.242.2/32 endpoint 192.168.241.2:5 |
3936 |
++ip1 addr add 192.168.242.1/24 dev wg0 |
3937 |
++ip2 link add wg1 type wireguard |
3938 |
++ip2 addr add 192.168.242.2/24 dev wg1 |
3939 |
++n2 wg set wg1 private-key <(echo "$key3") listen-port 5 peer "$pub1" allowed-ips 192.168.242.1/32 |
3940 |
++ip2 link set wg1 up |
3941 |
++n1 ping -W 1 -c 1 192.168.242.2 |
3942 |
++ip2 link del wg1 |
3943 |
++n1 wg set wg0 peer "$pub3" endpoint 192.168.242.2:5 |
3944 |
++! n1 ping -W 1 -c 1 192.168.242.2 || false # Should not crash kernel |
3945 |
++n1 wg set wg0 peer "$pub3" remove |
3946 |
++ip1 addr del 192.168.242.1/24 dev wg0 |
3947 |
++ |
3948 |
+ # Do a wg-quick(8)-style policy routing for the default route, making sure vethc has a v6 address to tease out bugs. |
3949 |
+ ip1 -6 addr add fc00::9/96 dev vethc |
3950 |
+ ip1 -6 route add default via fc00::1 |
3951 |
+diff --git a/virt/kvm/arm/hyp/aarch32.c b/virt/kvm/arm/hyp/aarch32.c |
3952 |
+index d31f267961e7..25c0e47d57cb 100644 |
3953 |
+--- a/virt/kvm/arm/hyp/aarch32.c |
3954 |
++++ b/virt/kvm/arm/hyp/aarch32.c |
3955 |
+@@ -125,12 +125,16 @@ static void __hyp_text kvm_adjust_itstate(struct kvm_vcpu *vcpu) |
3956 |
+ */ |
3957 |
+ void __hyp_text kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr) |
3958 |
+ { |
3959 |
++ u32 pc = *vcpu_pc(vcpu); |
3960 |
+ bool is_thumb; |
3961 |
+ |
3962 |
+ is_thumb = !!(*vcpu_cpsr(vcpu) & PSR_AA32_T_BIT); |
3963 |
+ if (is_thumb && !is_wide_instr) |
3964 |
+- *vcpu_pc(vcpu) += 2; |
3965 |
++ pc += 2; |
3966 |
+ else |
3967 |
+- *vcpu_pc(vcpu) += 4; |
3968 |
++ pc += 4; |
3969 |
++ |
3970 |
++ *vcpu_pc(vcpu) = pc; |
3971 |
++ |
3972 |
+ kvm_adjust_itstate(vcpu); |
3973 |
+ } |
3974 |
+diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c |
3975 |
+index 97fb2a40e6ba..e7abd05ea896 100644 |
3976 |
+--- a/virt/kvm/arm/vgic/vgic-mmio.c |
3977 |
++++ b/virt/kvm/arm/vgic/vgic-mmio.c |
3978 |
+@@ -368,7 +368,7 @@ static void vgic_mmio_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq, |
3979 |
+ static void vgic_change_active_prepare(struct kvm_vcpu *vcpu, u32 intid) |
3980 |
+ { |
3981 |
+ if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 || |
3982 |
+- intid > VGIC_NR_PRIVATE_IRQS) |
3983 |
++ intid >= VGIC_NR_PRIVATE_IRQS) |
3984 |
+ kvm_arm_halt_guest(vcpu->kvm); |
3985 |
+ } |
3986 |
+ |
3987 |
+@@ -376,7 +376,7 @@ static void vgic_change_active_prepare(struct kvm_vcpu *vcpu, u32 intid) |
3988 |
+ static void vgic_change_active_finish(struct kvm_vcpu *vcpu, u32 intid) |
3989 |
+ { |
3990 |
+ if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 || |
3991 |
+- intid > VGIC_NR_PRIVATE_IRQS) |
3992 |
++ intid >= VGIC_NR_PRIVATE_IRQS) |
3993 |
+ kvm_arm_resume_guest(vcpu->kvm); |
3994 |
+ } |
3995 |
+ |