Magellan Linux

Contents of /trunk/kernel-magellan/patches-5.0/0109-5.0.10-all-fixes.patch

Parent Directory Parent Directory | Revision Log Revision Log


Revision 3338 - (show annotations) (download)
Thu May 2 14:04:40 2019 UTC (4 years, 11 months ago) by niro
File size: 137119 byte(s)
-linux-5.0.10
1 diff --git a/Makefile b/Makefile
2 index ef192ca04330..b282c4143b21 100644
3 --- a/Makefile
4 +++ b/Makefile
5 @@ -1,7 +1,7 @@
6 # SPDX-License-Identifier: GPL-2.0
7 VERSION = 5
8 PATCHLEVEL = 0
9 -SUBLEVEL = 9
10 +SUBLEVEL = 10
11 EXTRAVERSION =
12 NAME = Shy Crocodile
13
14 @@ -678,8 +678,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
15 KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context)
16
17 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
18 -KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
19 -KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
20 +KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
21 else
22 ifdef CONFIG_PROFILE_ALL_BRANCHES
23 KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
24 diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
25 index e1d95f08f8e1..c7e1a7837706 100644
26 --- a/arch/arm64/include/asm/futex.h
27 +++ b/arch/arm64/include/asm/futex.h
28 @@ -50,7 +50,7 @@ do { \
29 static inline int
30 arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *_uaddr)
31 {
32 - int oldval, ret, tmp;
33 + int oldval = 0, ret, tmp;
34 u32 __user *uaddr = __uaccess_mask_ptr(_uaddr);
35
36 pagefault_disable();
37 diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c
38 index 4cb771ba13fa..5d316fe40480 100644
39 --- a/arch/s390/boot/mem_detect.c
40 +++ b/arch/s390/boot/mem_detect.c
41 @@ -25,7 +25,7 @@ static void *mem_detect_alloc_extended(void)
42 {
43 unsigned long offset = ALIGN(mem_safe_offset(), sizeof(u64));
44
45 - if (IS_ENABLED(BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE &&
46 + if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE &&
47 INITRD_START < offset + ENTRIES_EXTENDED_MAX)
48 offset = ALIGN(INITRD_START + INITRD_SIZE, sizeof(u64));
49
50 diff --git a/arch/x86/crypto/poly1305-avx2-x86_64.S b/arch/x86/crypto/poly1305-avx2-x86_64.S
51 index 3b6e70d085da..8457cdd47f75 100644
52 --- a/arch/x86/crypto/poly1305-avx2-x86_64.S
53 +++ b/arch/x86/crypto/poly1305-avx2-x86_64.S
54 @@ -323,6 +323,12 @@ ENTRY(poly1305_4block_avx2)
55 vpaddq t2,t1,t1
56 vmovq t1x,d4
57
58 + # Now do a partial reduction mod (2^130)-5, carrying h0 -> h1 -> h2 ->
59 + # h3 -> h4 -> h0 -> h1 to get h0,h2,h3,h4 < 2^26 and h1 < 2^26 + a small
60 + # amount. Careful: we must not assume the carry bits 'd0 >> 26',
61 + # 'd1 >> 26', 'd2 >> 26', 'd3 >> 26', and '(d4 >> 26) * 5' fit in 32-bit
62 + # integers. It's true in a single-block implementation, but not here.
63 +
64 # d1 += d0 >> 26
65 mov d0,%rax
66 shr $26,%rax
67 @@ -361,16 +367,16 @@ ENTRY(poly1305_4block_avx2)
68 # h0 += (d4 >> 26) * 5
69 mov d4,%rax
70 shr $26,%rax
71 - lea (%eax,%eax,4),%eax
72 - add %eax,%ebx
73 + lea (%rax,%rax,4),%rax
74 + add %rax,%rbx
75 # h4 = d4 & 0x3ffffff
76 mov d4,%rax
77 and $0x3ffffff,%eax
78 mov %eax,h4
79
80 # h1 += h0 >> 26
81 - mov %ebx,%eax
82 - shr $26,%eax
83 + mov %rbx,%rax
84 + shr $26,%rax
85 add %eax,h1
86 # h0 = h0 & 0x3ffffff
87 andl $0x3ffffff,%ebx
88 diff --git a/arch/x86/crypto/poly1305-sse2-x86_64.S b/arch/x86/crypto/poly1305-sse2-x86_64.S
89 index c88c670cb5fc..5851c7418fb7 100644
90 --- a/arch/x86/crypto/poly1305-sse2-x86_64.S
91 +++ b/arch/x86/crypto/poly1305-sse2-x86_64.S
92 @@ -253,16 +253,16 @@ ENTRY(poly1305_block_sse2)
93 # h0 += (d4 >> 26) * 5
94 mov d4,%rax
95 shr $26,%rax
96 - lea (%eax,%eax,4),%eax
97 - add %eax,%ebx
98 + lea (%rax,%rax,4),%rax
99 + add %rax,%rbx
100 # h4 = d4 & 0x3ffffff
101 mov d4,%rax
102 and $0x3ffffff,%eax
103 mov %eax,h4
104
105 # h1 += h0 >> 26
106 - mov %ebx,%eax
107 - shr $26,%eax
108 + mov %rbx,%rax
109 + shr $26,%rax
110 add %eax,h1
111 # h0 = h0 & 0x3ffffff
112 andl $0x3ffffff,%ebx
113 @@ -520,6 +520,12 @@ ENTRY(poly1305_2block_sse2)
114 paddq t2,t1
115 movq t1,d4
116
117 + # Now do a partial reduction mod (2^130)-5, carrying h0 -> h1 -> h2 ->
118 + # h3 -> h4 -> h0 -> h1 to get h0,h2,h3,h4 < 2^26 and h1 < 2^26 + a small
119 + # amount. Careful: we must not assume the carry bits 'd0 >> 26',
120 + # 'd1 >> 26', 'd2 >> 26', 'd3 >> 26', and '(d4 >> 26) * 5' fit in 32-bit
121 + # integers. It's true in a single-block implementation, but not here.
122 +
123 # d1 += d0 >> 26
124 mov d0,%rax
125 shr $26,%rax
126 @@ -558,16 +564,16 @@ ENTRY(poly1305_2block_sse2)
127 # h0 += (d4 >> 26) * 5
128 mov d4,%rax
129 shr $26,%rax
130 - lea (%eax,%eax,4),%eax
131 - add %eax,%ebx
132 + lea (%rax,%rax,4),%rax
133 + add %rax,%rbx
134 # h4 = d4 & 0x3ffffff
135 mov d4,%rax
136 and $0x3ffffff,%eax
137 mov %eax,h4
138
139 # h1 += h0 >> 26
140 - mov %ebx,%eax
141 - shr $26,%eax
142 + mov %rbx,%rax
143 + shr $26,%rax
144 add %eax,h1
145 # h0 = h0 & 0x3ffffff
146 andl $0x3ffffff,%ebx
147 diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
148 index 0ecfac84ba91..d45f3fbd232e 100644
149 --- a/arch/x86/events/amd/core.c
150 +++ b/arch/x86/events/amd/core.c
151 @@ -117,22 +117,39 @@ static __initconst const u64 amd_hw_cache_event_ids
152 };
153
154 /*
155 - * AMD Performance Monitor K7 and later.
156 + * AMD Performance Monitor K7 and later, up to and including Family 16h:
157 */
158 static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] =
159 {
160 - [PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
161 - [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
162 - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x077d,
163 - [PERF_COUNT_HW_CACHE_MISSES] = 0x077e,
164 - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
165 - [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
166 - [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00d0, /* "Decoder empty" event */
167 - [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x00d1, /* "Dispatch stalls" event */
168 + [PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
169 + [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
170 + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x077d,
171 + [PERF_COUNT_HW_CACHE_MISSES] = 0x077e,
172 + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
173 + [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
174 + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00d0, /* "Decoder empty" event */
175 + [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x00d1, /* "Dispatch stalls" event */
176 +};
177 +
178 +/*
179 + * AMD Performance Monitor Family 17h and later:
180 + */
181 +static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
182 +{
183 + [PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
184 + [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
185 + [PERF_COUNT_HW_CACHE_REFERENCES] = 0xff60,
186 + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
187 + [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
188 + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x0287,
189 + [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x0187,
190 };
191
192 static u64 amd_pmu_event_map(int hw_event)
193 {
194 + if (boot_cpu_data.x86 >= 0x17)
195 + return amd_f17h_perfmon_event_map[hw_event];
196 +
197 return amd_perfmon_event_map[hw_event];
198 }
199
200 diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
201 index 2480feb07df3..470d7daa915d 100644
202 --- a/arch/x86/events/intel/core.c
203 +++ b/arch/x86/events/intel/core.c
204 @@ -3130,7 +3130,7 @@ static unsigned long intel_pmu_large_pebs_flags(struct perf_event *event)
205 flags &= ~PERF_SAMPLE_TIME;
206 if (!event->attr.exclude_kernel)
207 flags &= ~PERF_SAMPLE_REGS_USER;
208 - if (event->attr.sample_regs_user & ~PEBS_REGS)
209 + if (event->attr.sample_regs_user & ~PEBS_GP_REGS)
210 flags &= ~(PERF_SAMPLE_REGS_USER | PERF_SAMPLE_REGS_INTR);
211 return flags;
212 }
213 diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
214 index acd72e669c04..b68ab65454ff 100644
215 --- a/arch/x86/events/perf_event.h
216 +++ b/arch/x86/events/perf_event.h
217 @@ -96,25 +96,25 @@ struct amd_nb {
218 PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_REGS_USER | \
219 PERF_SAMPLE_PERIOD)
220
221 -#define PEBS_REGS \
222 - (PERF_REG_X86_AX | \
223 - PERF_REG_X86_BX | \
224 - PERF_REG_X86_CX | \
225 - PERF_REG_X86_DX | \
226 - PERF_REG_X86_DI | \
227 - PERF_REG_X86_SI | \
228 - PERF_REG_X86_SP | \
229 - PERF_REG_X86_BP | \
230 - PERF_REG_X86_IP | \
231 - PERF_REG_X86_FLAGS | \
232 - PERF_REG_X86_R8 | \
233 - PERF_REG_X86_R9 | \
234 - PERF_REG_X86_R10 | \
235 - PERF_REG_X86_R11 | \
236 - PERF_REG_X86_R12 | \
237 - PERF_REG_X86_R13 | \
238 - PERF_REG_X86_R14 | \
239 - PERF_REG_X86_R15)
240 +#define PEBS_GP_REGS \
241 + ((1ULL << PERF_REG_X86_AX) | \
242 + (1ULL << PERF_REG_X86_BX) | \
243 + (1ULL << PERF_REG_X86_CX) | \
244 + (1ULL << PERF_REG_X86_DX) | \
245 + (1ULL << PERF_REG_X86_DI) | \
246 + (1ULL << PERF_REG_X86_SI) | \
247 + (1ULL << PERF_REG_X86_SP) | \
248 + (1ULL << PERF_REG_X86_BP) | \
249 + (1ULL << PERF_REG_X86_IP) | \
250 + (1ULL << PERF_REG_X86_FLAGS) | \
251 + (1ULL << PERF_REG_X86_R8) | \
252 + (1ULL << PERF_REG_X86_R9) | \
253 + (1ULL << PERF_REG_X86_R10) | \
254 + (1ULL << PERF_REG_X86_R11) | \
255 + (1ULL << PERF_REG_X86_R12) | \
256 + (1ULL << PERF_REG_X86_R13) | \
257 + (1ULL << PERF_REG_X86_R14) | \
258 + (1ULL << PERF_REG_X86_R15))
259
260 /*
261 * Per register state.
262 diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
263 index 01874d54f4fd..482383c2b184 100644
264 --- a/arch/x86/kernel/cpu/bugs.c
265 +++ b/arch/x86/kernel/cpu/bugs.c
266 @@ -275,7 +275,7 @@ static const struct {
267 const char *option;
268 enum spectre_v2_user_cmd cmd;
269 bool secure;
270 -} v2_user_options[] __initdata = {
271 +} v2_user_options[] __initconst = {
272 { "auto", SPECTRE_V2_USER_CMD_AUTO, false },
273 { "off", SPECTRE_V2_USER_CMD_NONE, false },
274 { "on", SPECTRE_V2_USER_CMD_FORCE, true },
275 @@ -419,7 +419,7 @@ static const struct {
276 const char *option;
277 enum spectre_v2_mitigation_cmd cmd;
278 bool secure;
279 -} mitigation_options[] __initdata = {
280 +} mitigation_options[] __initconst = {
281 { "off", SPECTRE_V2_CMD_NONE, false },
282 { "on", SPECTRE_V2_CMD_FORCE, true },
283 { "retpoline", SPECTRE_V2_CMD_RETPOLINE, false },
284 @@ -658,7 +658,7 @@ static const char * const ssb_strings[] = {
285 static const struct {
286 const char *option;
287 enum ssb_mitigation_cmd cmd;
288 -} ssb_mitigation_options[] __initdata = {
289 +} ssb_mitigation_options[] __initconst = {
290 { "auto", SPEC_STORE_BYPASS_CMD_AUTO }, /* Platform decides */
291 { "on", SPEC_STORE_BYPASS_CMD_ON }, /* Disable Speculative Store Bypass */
292 { "off", SPEC_STORE_BYPASS_CMD_NONE }, /* Don't touch Speculative Store Bypass */
293 diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
294 index 4ba75afba527..f4b954ff5b89 100644
295 --- a/arch/x86/kernel/kprobes/core.c
296 +++ b/arch/x86/kernel/kprobes/core.c
297 @@ -569,6 +569,7 @@ void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs)
298 unsigned long *sara = stack_addr(regs);
299
300 ri->ret_addr = (kprobe_opcode_t *) *sara;
301 + ri->fp = sara;
302
303 /* Replace the return addr with trampoline addr */
304 *sara = (unsigned long) &kretprobe_trampoline;
305 @@ -748,26 +749,48 @@ asm(
306 NOKPROBE_SYMBOL(kretprobe_trampoline);
307 STACK_FRAME_NON_STANDARD(kretprobe_trampoline);
308
309 +static struct kprobe kretprobe_kprobe = {
310 + .addr = (void *)kretprobe_trampoline,
311 +};
312 +
313 /*
314 * Called from kretprobe_trampoline
315 */
316 static __used void *trampoline_handler(struct pt_regs *regs)
317 {
318 + struct kprobe_ctlblk *kcb;
319 struct kretprobe_instance *ri = NULL;
320 struct hlist_head *head, empty_rp;
321 struct hlist_node *tmp;
322 unsigned long flags, orig_ret_address = 0;
323 unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
324 kprobe_opcode_t *correct_ret_addr = NULL;
325 + void *frame_pointer;
326 + bool skipped = false;
327 +
328 + preempt_disable();
329 +
330 + /*
331 + * Set a dummy kprobe for avoiding kretprobe recursion.
332 + * Since kretprobe never run in kprobe handler, kprobe must not
333 + * be running at this point.
334 + */
335 + kcb = get_kprobe_ctlblk();
336 + __this_cpu_write(current_kprobe, &kretprobe_kprobe);
337 + kcb->kprobe_status = KPROBE_HIT_ACTIVE;
338
339 INIT_HLIST_HEAD(&empty_rp);
340 kretprobe_hash_lock(current, &head, &flags);
341 /* fixup registers */
342 #ifdef CONFIG_X86_64
343 regs->cs = __KERNEL_CS;
344 + /* On x86-64, we use pt_regs->sp for return address holder. */
345 + frame_pointer = &regs->sp;
346 #else
347 regs->cs = __KERNEL_CS | get_kernel_rpl();
348 regs->gs = 0;
349 + /* On x86-32, we use pt_regs->flags for return address holder. */
350 + frame_pointer = &regs->flags;
351 #endif
352 regs->ip = trampoline_address;
353 regs->orig_ax = ~0UL;
354 @@ -789,8 +812,25 @@ static __used void *trampoline_handler(struct pt_regs *regs)
355 if (ri->task != current)
356 /* another task is sharing our hash bucket */
357 continue;
358 + /*
359 + * Return probes must be pushed on this hash list correct
360 + * order (same as return order) so that it can be poped
361 + * correctly. However, if we find it is pushed it incorrect
362 + * order, this means we find a function which should not be
363 + * probed, because the wrong order entry is pushed on the
364 + * path of processing other kretprobe itself.
365 + */
366 + if (ri->fp != frame_pointer) {
367 + if (!skipped)
368 + pr_warn("kretprobe is stacked incorrectly. Trying to fixup.\n");
369 + skipped = true;
370 + continue;
371 + }
372
373 orig_ret_address = (unsigned long)ri->ret_addr;
374 + if (skipped)
375 + pr_warn("%ps must be blacklisted because of incorrect kretprobe order\n",
376 + ri->rp->kp.addr);
377
378 if (orig_ret_address != trampoline_address)
379 /*
380 @@ -808,14 +848,15 @@ static __used void *trampoline_handler(struct pt_regs *regs)
381 if (ri->task != current)
382 /* another task is sharing our hash bucket */
383 continue;
384 + if (ri->fp != frame_pointer)
385 + continue;
386
387 orig_ret_address = (unsigned long)ri->ret_addr;
388 if (ri->rp && ri->rp->handler) {
389 __this_cpu_write(current_kprobe, &ri->rp->kp);
390 - get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE;
391 ri->ret_addr = correct_ret_addr;
392 ri->rp->handler(ri, regs);
393 - __this_cpu_write(current_kprobe, NULL);
394 + __this_cpu_write(current_kprobe, &kretprobe_kprobe);
395 }
396
397 recycle_rp_inst(ri, &empty_rp);
398 @@ -831,6 +872,9 @@ static __used void *trampoline_handler(struct pt_regs *regs)
399
400 kretprobe_hash_unlock(current, &flags);
401
402 + __this_cpu_write(current_kprobe, NULL);
403 + preempt_enable();
404 +
405 hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
406 hlist_del(&ri->hlist);
407 kfree(ri);
408 diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
409 index 90ae0ca51083..9db049f06f2f 100644
410 --- a/arch/x86/kernel/process.c
411 +++ b/arch/x86/kernel/process.c
412 @@ -414,6 +414,8 @@ static __always_inline void __speculation_ctrl_update(unsigned long tifp,
413 u64 msr = x86_spec_ctrl_base;
414 bool updmsr = false;
415
416 + lockdep_assert_irqs_disabled();
417 +
418 /*
419 * If TIF_SSBD is different, select the proper mitigation
420 * method. Note that if SSBD mitigation is disabled or permanentely
421 @@ -465,10 +467,12 @@ static unsigned long speculation_ctrl_update_tif(struct task_struct *tsk)
422
423 void speculation_ctrl_update(unsigned long tif)
424 {
425 + unsigned long flags;
426 +
427 /* Forced update. Make sure all relevant TIF flags are different */
428 - preempt_disable();
429 + local_irq_save(flags);
430 __speculation_ctrl_update(~tif, tif);
431 - preempt_enable();
432 + local_irq_restore(flags);
433 }
434
435 /* Called from seccomp/prctl update */
436 diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
437 index c338984c850d..81be2165821f 100644
438 --- a/arch/x86/kvm/emulate.c
439 +++ b/arch/x86/kvm/emulate.c
440 @@ -2575,15 +2575,13 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
441 * CR0/CR3/CR4/EFER. It's all a bit more complicated if the vCPU
442 * supports long mode.
443 */
444 - cr4 = ctxt->ops->get_cr(ctxt, 4);
445 if (emulator_has_longmode(ctxt)) {
446 struct desc_struct cs_desc;
447
448 /* Zero CR4.PCIDE before CR0.PG. */
449 - if (cr4 & X86_CR4_PCIDE) {
450 + cr4 = ctxt->ops->get_cr(ctxt, 4);
451 + if (cr4 & X86_CR4_PCIDE)
452 ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE);
453 - cr4 &= ~X86_CR4_PCIDE;
454 - }
455
456 /* A 32-bit code segment is required to clear EFER.LMA. */
457 memset(&cs_desc, 0, sizeof(cs_desc));
458 @@ -2597,13 +2595,16 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
459 if (cr0 & X86_CR0_PE)
460 ctxt->ops->set_cr(ctxt, 0, cr0 & ~(X86_CR0_PG | X86_CR0_PE));
461
462 - /* Now clear CR4.PAE (which must be done before clearing EFER.LME). */
463 - if (cr4 & X86_CR4_PAE)
464 - ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
465 + if (emulator_has_longmode(ctxt)) {
466 + /* Clear CR4.PAE before clearing EFER.LME. */
467 + cr4 = ctxt->ops->get_cr(ctxt, 4);
468 + if (cr4 & X86_CR4_PAE)
469 + ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
470
471 - /* And finally go back to 32-bit mode. */
472 - efer = 0;
473 - ctxt->ops->set_msr(ctxt, MSR_EFER, efer);
474 + /* And finally go back to 32-bit mode. */
475 + efer = 0;
476 + ctxt->ops->set_msr(ctxt, MSR_EFER, efer);
477 + }
478
479 smbase = ctxt->ops->get_smbase(ctxt);
480
481 diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
482 index a9b8e38d78ad..516c1de03d47 100644
483 --- a/arch/x86/kvm/svm.c
484 +++ b/arch/x86/kvm/svm.c
485 @@ -2687,6 +2687,7 @@ static int npf_interception(struct vcpu_svm *svm)
486 static int db_interception(struct vcpu_svm *svm)
487 {
488 struct kvm_run *kvm_run = svm->vcpu.run;
489 + struct kvm_vcpu *vcpu = &svm->vcpu;
490
491 if (!(svm->vcpu.guest_debug &
492 (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
493 @@ -2697,6 +2698,8 @@ static int db_interception(struct vcpu_svm *svm)
494
495 if (svm->nmi_singlestep) {
496 disable_nmi_singlestep(svm);
497 + /* Make sure we check for pending NMIs upon entry */
498 + kvm_make_request(KVM_REQ_EVENT, vcpu);
499 }
500
501 if (svm->vcpu.guest_debug &
502 @@ -4512,14 +4515,25 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm)
503 kvm_lapic_reg_write(apic, APIC_ICR, icrl);
504 break;
505 case AVIC_IPI_FAILURE_TARGET_NOT_RUNNING: {
506 + int i;
507 + struct kvm_vcpu *vcpu;
508 + struct kvm *kvm = svm->vcpu.kvm;
509 struct kvm_lapic *apic = svm->vcpu.arch.apic;
510
511 /*
512 - * Update ICR high and low, then emulate sending IPI,
513 - * which is handled when writing APIC_ICR.
514 + * At this point, we expect that the AVIC HW has already
515 + * set the appropriate IRR bits on the valid target
516 + * vcpus. So, we just need to kick the appropriate vcpu.
517 */
518 - kvm_lapic_reg_write(apic, APIC_ICR2, icrh);
519 - kvm_lapic_reg_write(apic, APIC_ICR, icrl);
520 + kvm_for_each_vcpu(i, vcpu, kvm) {
521 + bool m = kvm_apic_match_dest(vcpu, apic,
522 + icrl & KVM_APIC_SHORT_MASK,
523 + GET_APIC_DEST_FIELD(icrh),
524 + icrl & KVM_APIC_DEST_MASK);
525 +
526 + if (m && !avic_vcpu_is_running(vcpu))
527 + kvm_vcpu_wake_up(vcpu);
528 + }
529 break;
530 }
531 case AVIC_IPI_FAILURE_INVALID_TARGET:
532 @@ -5620,6 +5634,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
533 svm->vmcb->save.cr2 = vcpu->arch.cr2;
534
535 clgi();
536 + kvm_load_guest_xcr0(vcpu);
537
538 /*
539 * If this vCPU has touched SPEC_CTRL, restore the guest's value if
540 @@ -5765,6 +5780,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
541 if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
542 kvm_before_interrupt(&svm->vcpu);
543
544 + kvm_put_guest_xcr0(vcpu);
545 stgi();
546
547 /* Any pending NMI will happen here */
548 diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
549 index a0a770816429..34499081022c 100644
550 --- a/arch/x86/kvm/vmx/vmx.c
551 +++ b/arch/x86/kvm/vmx/vmx.c
552 @@ -6548,6 +6548,8 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
553 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
554 vmx_set_interrupt_shadow(vcpu, 0);
555
556 + kvm_load_guest_xcr0(vcpu);
557 +
558 if (static_cpu_has(X86_FEATURE_PKU) &&
559 kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
560 vcpu->arch.pkru != vmx->host_pkru)
561 @@ -6635,6 +6637,8 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
562 __write_pkru(vmx->host_pkru);
563 }
564
565 + kvm_put_guest_xcr0(vcpu);
566 +
567 vmx->nested.nested_run_pending = 0;
568 vmx->idt_vectoring_info = 0;
569
570 diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
571 index 7ee802a92bc8..2db58067bb59 100644
572 --- a/arch/x86/kvm/x86.c
573 +++ b/arch/x86/kvm/x86.c
574 @@ -800,7 +800,7 @@ void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw)
575 }
576 EXPORT_SYMBOL_GPL(kvm_lmsw);
577
578 -static void kvm_load_guest_xcr0(struct kvm_vcpu *vcpu)
579 +void kvm_load_guest_xcr0(struct kvm_vcpu *vcpu)
580 {
581 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE) &&
582 !vcpu->guest_xcr0_loaded) {
583 @@ -810,8 +810,9 @@ static void kvm_load_guest_xcr0(struct kvm_vcpu *vcpu)
584 vcpu->guest_xcr0_loaded = 1;
585 }
586 }
587 +EXPORT_SYMBOL_GPL(kvm_load_guest_xcr0);
588
589 -static void kvm_put_guest_xcr0(struct kvm_vcpu *vcpu)
590 +void kvm_put_guest_xcr0(struct kvm_vcpu *vcpu)
591 {
592 if (vcpu->guest_xcr0_loaded) {
593 if (vcpu->arch.xcr0 != host_xcr0)
594 @@ -819,6 +820,7 @@ static void kvm_put_guest_xcr0(struct kvm_vcpu *vcpu)
595 vcpu->guest_xcr0_loaded = 0;
596 }
597 }
598 +EXPORT_SYMBOL_GPL(kvm_put_guest_xcr0);
599
600 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
601 {
602 @@ -7856,8 +7858,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
603 goto cancel_injection;
604 }
605
606 - kvm_load_guest_xcr0(vcpu);
607 -
608 if (req_immediate_exit) {
609 kvm_make_request(KVM_REQ_EVENT, vcpu);
610 kvm_x86_ops->request_immediate_exit(vcpu);
611 @@ -7910,8 +7910,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
612 vcpu->mode = OUTSIDE_GUEST_MODE;
613 smp_wmb();
614
615 - kvm_put_guest_xcr0(vcpu);
616 -
617 kvm_before_interrupt(vcpu);
618 kvm_x86_ops->handle_external_intr(vcpu);
619 kvm_after_interrupt(vcpu);
620 diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
621 index 20ede17202bf..de3d46769ee3 100644
622 --- a/arch/x86/kvm/x86.h
623 +++ b/arch/x86/kvm/x86.h
624 @@ -347,4 +347,6 @@ static inline void kvm_after_interrupt(struct kvm_vcpu *vcpu)
625 __this_cpu_write(current_vcpu, NULL);
626 }
627
628 +void kvm_load_guest_xcr0(struct kvm_vcpu *vcpu);
629 +void kvm_put_guest_xcr0(struct kvm_vcpu *vcpu);
630 #endif
631 diff --git a/crypto/testmgr.h b/crypto/testmgr.h
632 index ca8e8ebef309..db496aa360a3 100644
633 --- a/crypto/testmgr.h
634 +++ b/crypto/testmgr.h
635 @@ -5706,7 +5706,49 @@ static const struct hash_testvec poly1305_tv_template[] = {
636 .psize = 80,
637 .digest = "\x13\x00\x00\x00\x00\x00\x00\x00"
638 "\x00\x00\x00\x00\x00\x00\x00\x00",
639 - },
640 + }, { /* Regression test for overflow in AVX2 implementation */
641 + .plaintext = "\xff\xff\xff\xff\xff\xff\xff\xff"
642 + "\xff\xff\xff\xff\xff\xff\xff\xff"
643 + "\xff\xff\xff\xff\xff\xff\xff\xff"
644 + "\xff\xff\xff\xff\xff\xff\xff\xff"
645 + "\xff\xff\xff\xff\xff\xff\xff\xff"
646 + "\xff\xff\xff\xff\xff\xff\xff\xff"
647 + "\xff\xff\xff\xff\xff\xff\xff\xff"
648 + "\xff\xff\xff\xff\xff\xff\xff\xff"
649 + "\xff\xff\xff\xff\xff\xff\xff\xff"
650 + "\xff\xff\xff\xff\xff\xff\xff\xff"
651 + "\xff\xff\xff\xff\xff\xff\xff\xff"
652 + "\xff\xff\xff\xff\xff\xff\xff\xff"
653 + "\xff\xff\xff\xff\xff\xff\xff\xff"
654 + "\xff\xff\xff\xff\xff\xff\xff\xff"
655 + "\xff\xff\xff\xff\xff\xff\xff\xff"
656 + "\xff\xff\xff\xff\xff\xff\xff\xff"
657 + "\xff\xff\xff\xff\xff\xff\xff\xff"
658 + "\xff\xff\xff\xff\xff\xff\xff\xff"
659 + "\xff\xff\xff\xff\xff\xff\xff\xff"
660 + "\xff\xff\xff\xff\xff\xff\xff\xff"
661 + "\xff\xff\xff\xff\xff\xff\xff\xff"
662 + "\xff\xff\xff\xff\xff\xff\xff\xff"
663 + "\xff\xff\xff\xff\xff\xff\xff\xff"
664 + "\xff\xff\xff\xff\xff\xff\xff\xff"
665 + "\xff\xff\xff\xff\xff\xff\xff\xff"
666 + "\xff\xff\xff\xff\xff\xff\xff\xff"
667 + "\xff\xff\xff\xff\xff\xff\xff\xff"
668 + "\xff\xff\xff\xff\xff\xff\xff\xff"
669 + "\xff\xff\xff\xff\xff\xff\xff\xff"
670 + "\xff\xff\xff\xff\xff\xff\xff\xff"
671 + "\xff\xff\xff\xff\xff\xff\xff\xff"
672 + "\xff\xff\xff\xff\xff\xff\xff\xff"
673 + "\xff\xff\xff\xff\xff\xff\xff\xff"
674 + "\xff\xff\xff\xff\xff\xff\xff\xff"
675 + "\xff\xff\xff\xff\xff\xff\xff\xff"
676 + "\xff\xff\xff\xff\xff\xff\xff\xff"
677 + "\xff\xff\xff\xff\xff\xff\xff\xff"
678 + "\xff\xff\xff\xff",
679 + .psize = 300,
680 + .digest = "\xfb\x5e\x96\xd8\x61\xd5\xc7\xc8"
681 + "\x78\xe5\x87\xcc\x2d\x5a\x22\xe1",
682 + }
683 };
684
685 /* NHPoly1305 test vectors from https://github.com/google/adiantum */
686 diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
687 index f75f8f870ce3..4be4dc3e8aa6 100644
688 --- a/drivers/acpi/nfit/core.c
689 +++ b/drivers/acpi/nfit/core.c
690 @@ -1319,19 +1319,30 @@ static ssize_t scrub_show(struct device *dev,
691 struct device_attribute *attr, char *buf)
692 {
693 struct nvdimm_bus_descriptor *nd_desc;
694 + struct acpi_nfit_desc *acpi_desc;
695 ssize_t rc = -ENXIO;
696 + bool busy;
697
698 device_lock(dev);
699 nd_desc = dev_get_drvdata(dev);
700 - if (nd_desc) {
701 - struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
702 + if (!nd_desc) {
703 + device_unlock(dev);
704 + return rc;
705 + }
706 + acpi_desc = to_acpi_desc(nd_desc);
707
708 - mutex_lock(&acpi_desc->init_mutex);
709 - rc = sprintf(buf, "%d%s", acpi_desc->scrub_count,
710 - acpi_desc->scrub_busy
711 - && !acpi_desc->cancel ? "+\n" : "\n");
712 - mutex_unlock(&acpi_desc->init_mutex);
713 + mutex_lock(&acpi_desc->init_mutex);
714 + busy = test_bit(ARS_BUSY, &acpi_desc->scrub_flags)
715 + && !test_bit(ARS_CANCEL, &acpi_desc->scrub_flags);
716 + rc = sprintf(buf, "%d%s", acpi_desc->scrub_count, busy ? "+\n" : "\n");
717 + /* Allow an admin to poll the busy state at a higher rate */
718 + if (busy && capable(CAP_SYS_RAWIO) && !test_and_set_bit(ARS_POLL,
719 + &acpi_desc->scrub_flags)) {
720 + acpi_desc->scrub_tmo = 1;
721 + mod_delayed_work(nfit_wq, &acpi_desc->dwork, HZ);
722 }
723 +
724 + mutex_unlock(&acpi_desc->init_mutex);
725 device_unlock(dev);
726 return rc;
727 }
728 @@ -2650,7 +2661,10 @@ static int ars_start(struct acpi_nfit_desc *acpi_desc,
729
730 if (rc < 0)
731 return rc;
732 - return cmd_rc;
733 + if (cmd_rc < 0)
734 + return cmd_rc;
735 + set_bit(ARS_VALID, &acpi_desc->scrub_flags);
736 + return 0;
737 }
738
739 static int ars_continue(struct acpi_nfit_desc *acpi_desc)
740 @@ -2660,11 +2674,11 @@ static int ars_continue(struct acpi_nfit_desc *acpi_desc)
741 struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc;
742 struct nd_cmd_ars_status *ars_status = acpi_desc->ars_status;
743
744 - memset(&ars_start, 0, sizeof(ars_start));
745 - ars_start.address = ars_status->restart_address;
746 - ars_start.length = ars_status->restart_length;
747 - ars_start.type = ars_status->type;
748 - ars_start.flags = acpi_desc->ars_start_flags;
749 + ars_start = (struct nd_cmd_ars_start) {
750 + .address = ars_status->restart_address,
751 + .length = ars_status->restart_length,
752 + .type = ars_status->type,
753 + };
754 rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_START, &ars_start,
755 sizeof(ars_start), &cmd_rc);
756 if (rc < 0)
757 @@ -2743,6 +2757,17 @@ static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc)
758 */
759 if (ars_status->out_length < 44)
760 return 0;
761 +
762 + /*
763 + * Ignore potentially stale results that are only refreshed
764 + * after a start-ARS event.
765 + */
766 + if (!test_and_clear_bit(ARS_VALID, &acpi_desc->scrub_flags)) {
767 + dev_dbg(acpi_desc->dev, "skip %d stale records\n",
768 + ars_status->num_records);
769 + return 0;
770 + }
771 +
772 for (i = 0; i < ars_status->num_records; i++) {
773 /* only process full records */
774 if (ars_status->out_length
775 @@ -3081,7 +3106,7 @@ static unsigned int __acpi_nfit_scrub(struct acpi_nfit_desc *acpi_desc,
776
777 lockdep_assert_held(&acpi_desc->init_mutex);
778
779 - if (acpi_desc->cancel)
780 + if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags))
781 return 0;
782
783 if (query_rc == -EBUSY) {
784 @@ -3155,7 +3180,7 @@ static void __sched_ars(struct acpi_nfit_desc *acpi_desc, unsigned int tmo)
785 {
786 lockdep_assert_held(&acpi_desc->init_mutex);
787
788 - acpi_desc->scrub_busy = 1;
789 + set_bit(ARS_BUSY, &acpi_desc->scrub_flags);
790 /* note this should only be set from within the workqueue */
791 if (tmo)
792 acpi_desc->scrub_tmo = tmo;
793 @@ -3171,7 +3196,7 @@ static void notify_ars_done(struct acpi_nfit_desc *acpi_desc)
794 {
795 lockdep_assert_held(&acpi_desc->init_mutex);
796
797 - acpi_desc->scrub_busy = 0;
798 + clear_bit(ARS_BUSY, &acpi_desc->scrub_flags);
799 acpi_desc->scrub_count++;
800 if (acpi_desc->scrub_count_state)
801 sysfs_notify_dirent(acpi_desc->scrub_count_state);
802 @@ -3192,6 +3217,7 @@ static void acpi_nfit_scrub(struct work_struct *work)
803 else
804 notify_ars_done(acpi_desc);
805 memset(acpi_desc->ars_status, 0, acpi_desc->max_ars);
806 + clear_bit(ARS_POLL, &acpi_desc->scrub_flags);
807 mutex_unlock(&acpi_desc->init_mutex);
808 }
809
810 @@ -3226,6 +3252,7 @@ static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc)
811 struct nfit_spa *nfit_spa;
812 int rc;
813
814 + set_bit(ARS_VALID, &acpi_desc->scrub_flags);
815 list_for_each_entry(nfit_spa, &acpi_desc->spas, list) {
816 switch (nfit_spa_type(nfit_spa->spa)) {
817 case NFIT_SPA_VOLATILE:
818 @@ -3460,7 +3487,7 @@ int acpi_nfit_ars_rescan(struct acpi_nfit_desc *acpi_desc,
819 struct nfit_spa *nfit_spa;
820
821 mutex_lock(&acpi_desc->init_mutex);
822 - if (acpi_desc->cancel) {
823 + if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags)) {
824 mutex_unlock(&acpi_desc->init_mutex);
825 return 0;
826 }
827 @@ -3539,7 +3566,7 @@ void acpi_nfit_shutdown(void *data)
828 mutex_unlock(&acpi_desc_lock);
829
830 mutex_lock(&acpi_desc->init_mutex);
831 - acpi_desc->cancel = 1;
832 + set_bit(ARS_CANCEL, &acpi_desc->scrub_flags);
833 cancel_delayed_work_sync(&acpi_desc->dwork);
834 mutex_unlock(&acpi_desc->init_mutex);
835
836 diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
837 index 33691aecfcee..0cbe5009eb2c 100644
838 --- a/drivers/acpi/nfit/nfit.h
839 +++ b/drivers/acpi/nfit/nfit.h
840 @@ -210,6 +210,13 @@ struct nfit_mem {
841 int family;
842 };
843
844 +enum scrub_flags {
845 + ARS_BUSY,
846 + ARS_CANCEL,
847 + ARS_VALID,
848 + ARS_POLL,
849 +};
850 +
851 struct acpi_nfit_desc {
852 struct nvdimm_bus_descriptor nd_desc;
853 struct acpi_table_header acpi_header;
854 @@ -223,7 +230,6 @@ struct acpi_nfit_desc {
855 struct list_head idts;
856 struct nvdimm_bus *nvdimm_bus;
857 struct device *dev;
858 - u8 ars_start_flags;
859 struct nd_cmd_ars_status *ars_status;
860 struct nfit_spa *scrub_spa;
861 struct delayed_work dwork;
862 @@ -232,8 +238,7 @@ struct acpi_nfit_desc {
863 unsigned int max_ars;
864 unsigned int scrub_count;
865 unsigned int scrub_mode;
866 - unsigned int scrub_busy:1;
867 - unsigned int cancel:1;
868 + unsigned long scrub_flags;
869 unsigned long dimm_cmd_force_en;
870 unsigned long bus_cmd_force_en;
871 unsigned long bus_nfit_cmd_force_en;
872 diff --git a/drivers/base/memory.c b/drivers/base/memory.c
873 index 048cbf7d5233..23125f276ff1 100644
874 --- a/drivers/base/memory.c
875 +++ b/drivers/base/memory.c
876 @@ -505,7 +505,7 @@ static ssize_t probe_store(struct device *dev, struct device_attribute *attr,
877
878 ret = lock_device_hotplug_sysfs();
879 if (ret)
880 - goto out;
881 + return ret;
882
883 nid = memory_add_physaddr_to_nid(phys_addr);
884 ret = __add_memory(nid, phys_addr,
885 diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
886 index c518659b4d9f..ff9dd9adf803 100644
887 --- a/drivers/char/ipmi/ipmi_msghandler.c
888 +++ b/drivers/char/ipmi/ipmi_msghandler.c
889 @@ -214,6 +214,9 @@ struct ipmi_user {
890
891 /* Does this interface receive IPMI events? */
892 bool gets_events;
893 +
894 + /* Free must run in process context for RCU cleanup. */
895 + struct work_struct remove_work;
896 };
897
898 static struct ipmi_user *acquire_ipmi_user(struct ipmi_user *user, int *index)
899 @@ -1079,6 +1082,15 @@ static int intf_err_seq(struct ipmi_smi *intf,
900 }
901
902
903 +static void free_user_work(struct work_struct *work)
904 +{
905 + struct ipmi_user *user = container_of(work, struct ipmi_user,
906 + remove_work);
907 +
908 + cleanup_srcu_struct(&user->release_barrier);
909 + kfree(user);
910 +}
911 +
912 int ipmi_create_user(unsigned int if_num,
913 const struct ipmi_user_hndl *handler,
914 void *handler_data,
915 @@ -1122,6 +1134,8 @@ int ipmi_create_user(unsigned int if_num,
916 goto out_kfree;
917
918 found:
919 + INIT_WORK(&new_user->remove_work, free_user_work);
920 +
921 rv = init_srcu_struct(&new_user->release_barrier);
922 if (rv)
923 goto out_kfree;
924 @@ -1184,8 +1198,9 @@ EXPORT_SYMBOL(ipmi_get_smi_info);
925 static void free_user(struct kref *ref)
926 {
927 struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount);
928 - cleanup_srcu_struct(&user->release_barrier);
929 - kfree(user);
930 +
931 + /* SRCU cleanup must happen in task context. */
932 + schedule_work(&user->remove_work);
933 }
934
935 static void _ipmi_destroy_user(struct ipmi_user *user)
936 diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c
937 index 1b8fa9de2cac..41b9f6c92da7 100644
938 --- a/drivers/char/tpm/eventlog/tpm2.c
939 +++ b/drivers/char/tpm/eventlog/tpm2.c
940 @@ -37,8 +37,8 @@
941 *
942 * Returns size of the event. If it is an invalid event, returns 0.
943 */
944 -static int calc_tpm2_event_size(struct tcg_pcr_event2 *event,
945 - struct tcg_pcr_event *event_header)
946 +static size_t calc_tpm2_event_size(struct tcg_pcr_event2 *event,
947 + struct tcg_pcr_event *event_header)
948 {
949 struct tcg_efi_specid_event *efispecid;
950 struct tcg_event_field *event_field;
951 diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
952 index 5eecad233ea1..744b0237300a 100644
953 --- a/drivers/char/tpm/tpm-dev-common.c
954 +++ b/drivers/char/tpm/tpm-dev-common.c
955 @@ -203,12 +203,19 @@ __poll_t tpm_common_poll(struct file *file, poll_table *wait)
956 __poll_t mask = 0;
957
958 poll_wait(file, &priv->async_wait, wait);
959 + mutex_lock(&priv->buffer_mutex);
960
961 - if (!priv->response_read || priv->response_length)
962 + /*
963 + * The response_length indicates if there is still response
964 + * (or part of it) to be consumed. Partial reads decrease it
965 + * by the number of bytes read, and write resets it the zero.
966 + */
967 + if (priv->response_length)
968 mask = EPOLLIN | EPOLLRDNORM;
969 else
970 mask = EPOLLOUT | EPOLLWRNORM;
971
972 + mutex_unlock(&priv->buffer_mutex);
973 return mask;
974 }
975
976 diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c
977 index 32a8e27c5382..cc4e642d3180 100644
978 --- a/drivers/char/tpm/tpm_i2c_atmel.c
979 +++ b/drivers/char/tpm/tpm_i2c_atmel.c
980 @@ -69,6 +69,10 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len)
981 if (status < 0)
982 return status;
983
984 + /* The upper layer does not support incomplete sends. */
985 + if (status != len)
986 + return -E2BIG;
987 +
988 return 0;
989 }
990
991 diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
992 index d0d966d6080a..1696644ec022 100644
993 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
994 +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
995 @@ -182,6 +182,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
996 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
997 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
998 }
999 + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
1000
1001 tmp = mmVM_L2_CNTL4_DEFAULT;
1002 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
1003 diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
1004 index f841accc2c00..f77c81db161b 100644
1005 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
1006 +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
1007 @@ -730,7 +730,8 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
1008 }
1009
1010 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
1011 - if (!(flags & TTM_PAGE_FLAG_DMA32)) {
1012 + if (!(flags & TTM_PAGE_FLAG_DMA32) &&
1013 + (npages - i) >= HPAGE_PMD_NR) {
1014 for (j = 0; j < HPAGE_PMD_NR; ++j)
1015 if (p++ != pages[i + j])
1016 break;
1017 @@ -759,7 +760,7 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
1018 unsigned max_size, n2free;
1019
1020 spin_lock_irqsave(&huge->lock, irq_flags);
1021 - while (i < npages) {
1022 + while ((npages - i) >= HPAGE_PMD_NR) {
1023 struct page *p = pages[i];
1024 unsigned j;
1025
1026 diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
1027 index 2dc628d4f1ae..1412abcff010 100644
1028 --- a/drivers/i3c/master.c
1029 +++ b/drivers/i3c/master.c
1030 @@ -1980,7 +1980,6 @@ of_i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master,
1031 {
1032 struct i3c_dev_boardinfo *boardinfo;
1033 struct device *dev = &master->dev;
1034 - struct i3c_device_info info = { };
1035 enum i3c_addr_slot_status addrstatus;
1036 u32 init_dyn_addr = 0;
1037
1038 @@ -2012,8 +2011,8 @@ of_i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master,
1039
1040 boardinfo->pid = ((u64)reg[1] << 32) | reg[2];
1041
1042 - if ((info.pid & GENMASK_ULL(63, 48)) ||
1043 - I3C_PID_RND_LOWER_32BITS(info.pid))
1044 + if ((boardinfo->pid & GENMASK_ULL(63, 48)) ||
1045 + I3C_PID_RND_LOWER_32BITS(boardinfo->pid))
1046 return -EINVAL;
1047
1048 boardinfo->init_dyn_addr = init_dyn_addr;
1049 diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
1050 index bb03079fbade..ec385fbfef4c 100644
1051 --- a/drivers/i3c/master/dw-i3c-master.c
1052 +++ b/drivers/i3c/master/dw-i3c-master.c
1053 @@ -300,7 +300,7 @@ to_dw_i3c_master(struct i3c_master_controller *master)
1054
1055 static void dw_i3c_master_disable(struct dw_i3c_master *master)
1056 {
1057 - writel(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_ENABLE,
1058 + writel(readl(master->regs + DEVICE_CTRL) & ~DEV_CTRL_ENABLE,
1059 master->regs + DEVICE_CTRL);
1060 }
1061
1062 diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
1063 index 7096e577b23f..50f3ff386bea 100644
1064 --- a/drivers/iio/accel/kxcjk-1013.c
1065 +++ b/drivers/iio/accel/kxcjk-1013.c
1066 @@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct device *dev)
1067
1068 mutex_lock(&data->mutex);
1069 ret = kxcjk1013_set_mode(data, OPERATION);
1070 + if (ret == 0)
1071 + ret = kxcjk1013_set_range(data, data->range);
1072 mutex_unlock(&data->mutex);
1073
1074 return ret;
1075 diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
1076 index ff5f2da2e1b1..54d9978b2740 100644
1077 --- a/drivers/iio/adc/ad_sigma_delta.c
1078 +++ b/drivers/iio/adc/ad_sigma_delta.c
1079 @@ -121,6 +121,7 @@ static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta,
1080 if (sigma_delta->info->has_registers) {
1081 data[0] = reg << sigma_delta->info->addr_shift;
1082 data[0] |= sigma_delta->info->read_mask;
1083 + data[0] |= sigma_delta->comm;
1084 spi_message_add_tail(&t[0], &m);
1085 }
1086 spi_message_add_tail(&t[1], &m);
1087 diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
1088 index 75d2f73582a3..596841a3c4db 100644
1089 --- a/drivers/iio/adc/at91_adc.c
1090 +++ b/drivers/iio/adc/at91_adc.c
1091 @@ -704,23 +704,29 @@ static int at91_adc_read_raw(struct iio_dev *idev,
1092 ret = wait_event_interruptible_timeout(st->wq_data_avail,
1093 st->done,
1094 msecs_to_jiffies(1000));
1095 - if (ret == 0)
1096 - ret = -ETIMEDOUT;
1097 - if (ret < 0) {
1098 - mutex_unlock(&st->lock);
1099 - return ret;
1100 - }
1101 -
1102 - *val = st->last_value;
1103
1104 + /* Disable interrupts, regardless if adc conversion was
1105 + * successful or not
1106 + */
1107 at91_adc_writel(st, AT91_ADC_CHDR,
1108 AT91_ADC_CH(chan->channel));
1109 at91_adc_writel(st, AT91_ADC_IDR, BIT(chan->channel));
1110
1111 - st->last_value = 0;
1112 - st->done = false;
1113 + if (ret > 0) {
1114 + /* a valid conversion took place */
1115 + *val = st->last_value;
1116 + st->last_value = 0;
1117 + st->done = false;
1118 + ret = IIO_VAL_INT;
1119 + } else if (ret == 0) {
1120 + /* conversion timeout */
1121 + dev_err(&idev->dev, "ADC Channel %d timeout.\n",
1122 + chan->channel);
1123 + ret = -ETIMEDOUT;
1124 + }
1125 +
1126 mutex_unlock(&st->lock);
1127 - return IIO_VAL_INT;
1128 + return ret;
1129
1130 case IIO_CHAN_INFO_SCALE:
1131 *val = st->vref_mv;
1132 diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h
1133 index 0ae89b87e2d6..4edc5d21cb9f 100644
1134 --- a/drivers/iio/chemical/bme680.h
1135 +++ b/drivers/iio/chemical/bme680.h
1136 @@ -2,11 +2,9 @@
1137 #ifndef BME680_H_
1138 #define BME680_H_
1139
1140 -#define BME680_REG_CHIP_I2C_ID 0xD0
1141 -#define BME680_REG_CHIP_SPI_ID 0x50
1142 +#define BME680_REG_CHIP_ID 0xD0
1143 #define BME680_CHIP_ID_VAL 0x61
1144 -#define BME680_REG_SOFT_RESET_I2C 0xE0
1145 -#define BME680_REG_SOFT_RESET_SPI 0x60
1146 +#define BME680_REG_SOFT_RESET 0xE0
1147 #define BME680_CMD_SOFTRESET 0xB6
1148 #define BME680_REG_STATUS 0x73
1149 #define BME680_SPI_MEM_PAGE_BIT BIT(4)
1150 diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
1151 index 70c1fe4366f4..ccde4c65ff93 100644
1152 --- a/drivers/iio/chemical/bme680_core.c
1153 +++ b/drivers/iio/chemical/bme680_core.c
1154 @@ -63,9 +63,23 @@ struct bme680_data {
1155 s32 t_fine;
1156 };
1157
1158 +static const struct regmap_range bme680_volatile_ranges[] = {
1159 + regmap_reg_range(BME680_REG_MEAS_STAT_0, BME680_REG_GAS_R_LSB),
1160 + regmap_reg_range(BME680_REG_STATUS, BME680_REG_STATUS),
1161 + regmap_reg_range(BME680_T2_LSB_REG, BME680_GH3_REG),
1162 +};
1163 +
1164 +static const struct regmap_access_table bme680_volatile_table = {
1165 + .yes_ranges = bme680_volatile_ranges,
1166 + .n_yes_ranges = ARRAY_SIZE(bme680_volatile_ranges),
1167 +};
1168 +
1169 const struct regmap_config bme680_regmap_config = {
1170 .reg_bits = 8,
1171 .val_bits = 8,
1172 + .max_register = 0xef,
1173 + .volatile_table = &bme680_volatile_table,
1174 + .cache_type = REGCACHE_RBTREE,
1175 };
1176 EXPORT_SYMBOL(bme680_regmap_config);
1177
1178 @@ -316,6 +330,10 @@ static s16 bme680_compensate_temp(struct bme680_data *data,
1179 s64 var1, var2, var3;
1180 s16 calc_temp;
1181
1182 + /* If the calibration is invalid, attempt to reload it */
1183 + if (!calib->par_t2)
1184 + bme680_read_calib(data, calib);
1185 +
1186 var1 = (adc_temp >> 3) - (calib->par_t1 << 1);
1187 var2 = (var1 * calib->par_t2) >> 11;
1188 var3 = ((var1 >> 1) * (var1 >> 1)) >> 12;
1189 @@ -583,8 +601,7 @@ static int bme680_gas_config(struct bme680_data *data)
1190 return ret;
1191 }
1192
1193 -static int bme680_read_temp(struct bme680_data *data,
1194 - int *val, int *val2)
1195 +static int bme680_read_temp(struct bme680_data *data, int *val)
1196 {
1197 struct device *dev = regmap_get_device(data->regmap);
1198 int ret;
1199 @@ -617,10 +634,9 @@ static int bme680_read_temp(struct bme680_data *data,
1200 * compensate_press/compensate_humid to get compensated
1201 * pressure/humidity readings.
1202 */
1203 - if (val && val2) {
1204 - *val = comp_temp;
1205 - *val2 = 100;
1206 - return IIO_VAL_FRACTIONAL;
1207 + if (val) {
1208 + *val = comp_temp * 10; /* Centidegrees to millidegrees */
1209 + return IIO_VAL_INT;
1210 }
1211
1212 return ret;
1213 @@ -635,7 +651,7 @@ static int bme680_read_press(struct bme680_data *data,
1214 s32 adc_press;
1215
1216 /* Read and compensate temperature to get a reading of t_fine */
1217 - ret = bme680_read_temp(data, NULL, NULL);
1218 + ret = bme680_read_temp(data, NULL);
1219 if (ret < 0)
1220 return ret;
1221
1222 @@ -668,7 +684,7 @@ static int bme680_read_humid(struct bme680_data *data,
1223 u32 comp_humidity;
1224
1225 /* Read and compensate temperature to get a reading of t_fine */
1226 - ret = bme680_read_temp(data, NULL, NULL);
1227 + ret = bme680_read_temp(data, NULL);
1228 if (ret < 0)
1229 return ret;
1230
1231 @@ -761,7 +777,7 @@ static int bme680_read_raw(struct iio_dev *indio_dev,
1232 case IIO_CHAN_INFO_PROCESSED:
1233 switch (chan->type) {
1234 case IIO_TEMP:
1235 - return bme680_read_temp(data, val, val2);
1236 + return bme680_read_temp(data, val);
1237 case IIO_PRESSURE:
1238 return bme680_read_press(data, val, val2);
1239 case IIO_HUMIDITYRELATIVE:
1240 @@ -867,8 +883,28 @@ int bme680_core_probe(struct device *dev, struct regmap *regmap,
1241 {
1242 struct iio_dev *indio_dev;
1243 struct bme680_data *data;
1244 + unsigned int val;
1245 int ret;
1246
1247 + ret = regmap_write(regmap, BME680_REG_SOFT_RESET,
1248 + BME680_CMD_SOFTRESET);
1249 + if (ret < 0) {
1250 + dev_err(dev, "Failed to reset chip\n");
1251 + return ret;
1252 + }
1253 +
1254 + ret = regmap_read(regmap, BME680_REG_CHIP_ID, &val);
1255 + if (ret < 0) {
1256 + dev_err(dev, "Error reading chip ID\n");
1257 + return ret;
1258 + }
1259 +
1260 + if (val != BME680_CHIP_ID_VAL) {
1261 + dev_err(dev, "Wrong chip ID, got %x expected %x\n",
1262 + val, BME680_CHIP_ID_VAL);
1263 + return -ENODEV;
1264 + }
1265 +
1266 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
1267 if (!indio_dev)
1268 return -ENOMEM;
1269 diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c
1270 index 06d4be539d2e..cfc4449edf1b 100644
1271 --- a/drivers/iio/chemical/bme680_i2c.c
1272 +++ b/drivers/iio/chemical/bme680_i2c.c
1273 @@ -23,8 +23,6 @@ static int bme680_i2c_probe(struct i2c_client *client,
1274 {
1275 struct regmap *regmap;
1276 const char *name = NULL;
1277 - unsigned int val;
1278 - int ret;
1279
1280 regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
1281 if (IS_ERR(regmap)) {
1282 @@ -33,25 +31,6 @@ static int bme680_i2c_probe(struct i2c_client *client,
1283 return PTR_ERR(regmap);
1284 }
1285
1286 - ret = regmap_write(regmap, BME680_REG_SOFT_RESET_I2C,
1287 - BME680_CMD_SOFTRESET);
1288 - if (ret < 0) {
1289 - dev_err(&client->dev, "Failed to reset chip\n");
1290 - return ret;
1291 - }
1292 -
1293 - ret = regmap_read(regmap, BME680_REG_CHIP_I2C_ID, &val);
1294 - if (ret < 0) {
1295 - dev_err(&client->dev, "Error reading I2C chip ID\n");
1296 - return ret;
1297 - }
1298 -
1299 - if (val != BME680_CHIP_ID_VAL) {
1300 - dev_err(&client->dev, "Wrong chip ID, got %x expected %x\n",
1301 - val, BME680_CHIP_ID_VAL);
1302 - return -ENODEV;
1303 - }
1304 -
1305 if (id)
1306 name = id->name;
1307
1308 diff --git a/drivers/iio/chemical/bme680_spi.c b/drivers/iio/chemical/bme680_spi.c
1309 index c9fb05e8d0b9..881778e55d38 100644
1310 --- a/drivers/iio/chemical/bme680_spi.c
1311 +++ b/drivers/iio/chemical/bme680_spi.c
1312 @@ -11,28 +11,93 @@
1313
1314 #include "bme680.h"
1315
1316 +struct bme680_spi_bus_context {
1317 + struct spi_device *spi;
1318 + u8 current_page;
1319 +};
1320 +
1321 +/*
1322 + * In SPI mode there are only 7 address bits, a "page" register determines
1323 + * which part of the 8-bit range is active. This function looks at the address
1324 + * and writes the page selection bit if needed
1325 + */
1326 +static int bme680_regmap_spi_select_page(
1327 + struct bme680_spi_bus_context *ctx, u8 reg)
1328 +{
1329 + struct spi_device *spi = ctx->spi;
1330 + int ret;
1331 + u8 buf[2];
1332 + u8 page = (reg & 0x80) ? 0 : 1; /* Page "1" is low range */
1333 +
1334 + if (page == ctx->current_page)
1335 + return 0;
1336 +
1337 + /*
1338 + * Data sheet claims we're only allowed to change bit 4, so we must do
1339 + * a read-modify-write on each and every page select
1340 + */
1341 + buf[0] = BME680_REG_STATUS;
1342 + ret = spi_write_then_read(spi, buf, 1, buf + 1, 1);
1343 + if (ret < 0) {
1344 + dev_err(&spi->dev, "failed to set page %u\n", page);
1345 + return ret;
1346 + }
1347 +
1348 + buf[0] = BME680_REG_STATUS;
1349 + if (page)
1350 + buf[1] |= BME680_SPI_MEM_PAGE_BIT;
1351 + else
1352 + buf[1] &= ~BME680_SPI_MEM_PAGE_BIT;
1353 +
1354 + ret = spi_write(spi, buf, 2);
1355 + if (ret < 0) {
1356 + dev_err(&spi->dev, "failed to set page %u\n", page);
1357 + return ret;
1358 + }
1359 +
1360 + ctx->current_page = page;
1361 +
1362 + return 0;
1363 +}
1364 +
1365 static int bme680_regmap_spi_write(void *context, const void *data,
1366 size_t count)
1367 {
1368 - struct spi_device *spi = context;
1369 + struct bme680_spi_bus_context *ctx = context;
1370 + struct spi_device *spi = ctx->spi;
1371 + int ret;
1372 u8 buf[2];
1373
1374 memcpy(buf, data, 2);
1375 +
1376 + ret = bme680_regmap_spi_select_page(ctx, buf[0]);
1377 + if (ret)
1378 + return ret;
1379 +
1380 /*
1381 * The SPI register address (= full register address without bit 7)
1382 * and the write command (bit7 = RW = '0')
1383 */
1384 buf[0] &= ~0x80;
1385
1386 - return spi_write_then_read(spi, buf, 2, NULL, 0);
1387 + return spi_write(spi, buf, 2);
1388 }
1389
1390 static int bme680_regmap_spi_read(void *context, const void *reg,
1391 size_t reg_size, void *val, size_t val_size)
1392 {
1393 - struct spi_device *spi = context;
1394 + struct bme680_spi_bus_context *ctx = context;
1395 + struct spi_device *spi = ctx->spi;
1396 + int ret;
1397 + u8 addr = *(const u8 *)reg;
1398 +
1399 + ret = bme680_regmap_spi_select_page(ctx, addr);
1400 + if (ret)
1401 + return ret;
1402
1403 - return spi_write_then_read(spi, reg, reg_size, val, val_size);
1404 + addr |= 0x80; /* bit7 = RW = '1' */
1405 +
1406 + return spi_write_then_read(spi, &addr, 1, val, val_size);
1407 }
1408
1409 static struct regmap_bus bme680_regmap_bus = {
1410 @@ -45,8 +110,8 @@ static struct regmap_bus bme680_regmap_bus = {
1411 static int bme680_spi_probe(struct spi_device *spi)
1412 {
1413 const struct spi_device_id *id = spi_get_device_id(spi);
1414 + struct bme680_spi_bus_context *bus_context;
1415 struct regmap *regmap;
1416 - unsigned int val;
1417 int ret;
1418
1419 spi->bits_per_word = 8;
1420 @@ -56,45 +121,21 @@ static int bme680_spi_probe(struct spi_device *spi)
1421 return ret;
1422 }
1423
1424 + bus_context = devm_kzalloc(&spi->dev, sizeof(*bus_context), GFP_KERNEL);
1425 + if (!bus_context)
1426 + return -ENOMEM;
1427 +
1428 + bus_context->spi = spi;
1429 + bus_context->current_page = 0xff; /* Undefined on warm boot */
1430 +
1431 regmap = devm_regmap_init(&spi->dev, &bme680_regmap_bus,
1432 - &spi->dev, &bme680_regmap_config);
1433 + bus_context, &bme680_regmap_config);
1434 if (IS_ERR(regmap)) {
1435 dev_err(&spi->dev, "Failed to register spi regmap %d\n",
1436 (int)PTR_ERR(regmap));
1437 return PTR_ERR(regmap);
1438 }
1439
1440 - ret = regmap_write(regmap, BME680_REG_SOFT_RESET_SPI,
1441 - BME680_CMD_SOFTRESET);
1442 - if (ret < 0) {
1443 - dev_err(&spi->dev, "Failed to reset chip\n");
1444 - return ret;
1445 - }
1446 -
1447 - /* after power-on reset, Page 0(0x80-0xFF) of spi_mem_page is active */
1448 - ret = regmap_read(regmap, BME680_REG_CHIP_SPI_ID, &val);
1449 - if (ret < 0) {
1450 - dev_err(&spi->dev, "Error reading SPI chip ID\n");
1451 - return ret;
1452 - }
1453 -
1454 - if (val != BME680_CHIP_ID_VAL) {
1455 - dev_err(&spi->dev, "Wrong chip ID, got %x expected %x\n",
1456 - val, BME680_CHIP_ID_VAL);
1457 - return -ENODEV;
1458 - }
1459 - /*
1460 - * select Page 1 of spi_mem_page to enable access to
1461 - * to registers from address 0x00 to 0x7F.
1462 - */
1463 - ret = regmap_write_bits(regmap, BME680_REG_STATUS,
1464 - BME680_SPI_MEM_PAGE_BIT,
1465 - BME680_SPI_MEM_PAGE_1_VAL);
1466 - if (ret < 0) {
1467 - dev_err(&spi->dev, "failed to set page 1 of spi_mem_page\n");
1468 - return ret;
1469 - }
1470 -
1471 return bme680_core_probe(&spi->dev, regmap, id->name);
1472 }
1473
1474 diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
1475 index 89cb0066a6e0..8d76afb87d87 100644
1476 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
1477 +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
1478 @@ -103,9 +103,10 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev,
1479 * Do not use IIO_DEGREE_TO_RAD to avoid precision
1480 * loss. Round to the nearest integer.
1481 */
1482 - *val = div_s64(val64 * 314159 + 9000000ULL, 1000);
1483 - *val2 = 18000 << (CROS_EC_SENSOR_BITS - 1);
1484 - ret = IIO_VAL_FRACTIONAL;
1485 + *val = 0;
1486 + *val2 = div_s64(val64 * 3141592653ULL,
1487 + 180 << (CROS_EC_SENSOR_BITS - 1));
1488 + ret = IIO_VAL_INT_PLUS_NANO;
1489 break;
1490 case MOTIONSENSE_TYPE_MAG:
1491 /*
1492 diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
1493 index 6d71fd905e29..c701a45469f6 100644
1494 --- a/drivers/iio/dac/mcp4725.c
1495 +++ b/drivers/iio/dac/mcp4725.c
1496 @@ -92,6 +92,7 @@ static ssize_t mcp4725_store_eeprom(struct device *dev,
1497
1498 inoutbuf[0] = 0x60; /* write EEPROM */
1499 inoutbuf[0] |= data->ref_mode << 3;
1500 + inoutbuf[0] |= data->powerdown ? ((data->powerdown_mode + 1) << 1) : 0;
1501 inoutbuf[1] = data->dac_value >> 4;
1502 inoutbuf[2] = (data->dac_value & 0xf) << 4;
1503
1504 diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c
1505 index 63ca31628a93..92c07ab826eb 100644
1506 --- a/drivers/iio/gyro/bmg160_core.c
1507 +++ b/drivers/iio/gyro/bmg160_core.c
1508 @@ -582,11 +582,10 @@ static int bmg160_read_raw(struct iio_dev *indio_dev,
1509 case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
1510 return bmg160_get_filter(data, val);
1511 case IIO_CHAN_INFO_SCALE:
1512 - *val = 0;
1513 switch (chan->type) {
1514 case IIO_TEMP:
1515 - *val2 = 500000;
1516 - return IIO_VAL_INT_PLUS_MICRO;
1517 + *val = 500;
1518 + return IIO_VAL_INT;
1519 case IIO_ANGL_VEL:
1520 {
1521 int i;
1522 @@ -594,6 +593,7 @@ static int bmg160_read_raw(struct iio_dev *indio_dev,
1523 for (i = 0; i < ARRAY_SIZE(bmg160_scale_table); ++i) {
1524 if (bmg160_scale_table[i].dps_range ==
1525 data->dps_range) {
1526 + *val = 0;
1527 *val2 = bmg160_scale_table[i].scale;
1528 return IIO_VAL_INT_PLUS_MICRO;
1529 }
1530 diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c
1531 index 77fac81a3adc..5ddebede31a6 100644
1532 --- a/drivers/iio/gyro/mpu3050-core.c
1533 +++ b/drivers/iio/gyro/mpu3050-core.c
1534 @@ -29,7 +29,8 @@
1535
1536 #include "mpu3050.h"
1537
1538 -#define MPU3050_CHIP_ID 0x69
1539 +#define MPU3050_CHIP_ID 0x68
1540 +#define MPU3050_CHIP_ID_MASK 0x7E
1541
1542 /*
1543 * Register map: anything suffixed *_H is a big-endian high byte and always
1544 @@ -1176,8 +1177,9 @@ int mpu3050_common_probe(struct device *dev,
1545 goto err_power_down;
1546 }
1547
1548 - if (val != MPU3050_CHIP_ID) {
1549 - dev_err(dev, "unsupported chip id %02x\n", (u8)val);
1550 + if ((val & MPU3050_CHIP_ID_MASK) != MPU3050_CHIP_ID) {
1551 + dev_err(dev, "unsupported chip id %02x\n",
1552 + (u8)(val & MPU3050_CHIP_ID_MASK));
1553 ret = -ENODEV;
1554 goto err_power_down;
1555 }
1556 diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
1557 index cd5bfe39591b..dadd921a4a30 100644
1558 --- a/drivers/iio/industrialio-buffer.c
1559 +++ b/drivers/iio/industrialio-buffer.c
1560 @@ -320,9 +320,8 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev,
1561 const unsigned long *mask;
1562 unsigned long *trialmask;
1563
1564 - trialmask = kmalloc_array(BITS_TO_LONGS(indio_dev->masklength),
1565 - sizeof(*trialmask),
1566 - GFP_KERNEL);
1567 + trialmask = kcalloc(BITS_TO_LONGS(indio_dev->masklength),
1568 + sizeof(*trialmask), GFP_KERNEL);
1569 if (trialmask == NULL)
1570 return -ENOMEM;
1571 if (!indio_dev->masklength) {
1572 diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
1573 index 4f5cd9f60870..5b65750ce775 100644
1574 --- a/drivers/iio/industrialio-core.c
1575 +++ b/drivers/iio/industrialio-core.c
1576 @@ -1738,10 +1738,10 @@ EXPORT_SYMBOL(__iio_device_register);
1577 **/
1578 void iio_device_unregister(struct iio_dev *indio_dev)
1579 {
1580 - mutex_lock(&indio_dev->info_exist_lock);
1581 -
1582 cdev_device_del(&indio_dev->chrdev, &indio_dev->dev);
1583
1584 + mutex_lock(&indio_dev->info_exist_lock);
1585 +
1586 iio_device_unregister_debugfs(indio_dev);
1587
1588 iio_disable_all_buffers(indio_dev);
1589 diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
1590 index 5f366838b7ff..e2a4570a47e8 100644
1591 --- a/drivers/infiniband/core/uverbs_main.c
1592 +++ b/drivers/infiniband/core/uverbs_main.c
1593 @@ -992,6 +992,8 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile)
1594 * will only be one mm, so no big deal.
1595 */
1596 down_write(&mm->mmap_sem);
1597 + if (!mmget_still_valid(mm))
1598 + goto skip_mm;
1599 mutex_lock(&ufile->umap_lock);
1600 list_for_each_entry_safe (priv, next_priv, &ufile->umaps,
1601 list) {
1602 @@ -1006,6 +1008,7 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile)
1603 vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE);
1604 }
1605 mutex_unlock(&ufile->umap_lock);
1606 + skip_mm:
1607 up_write(&mm->mmap_sem);
1608 mmput(mm);
1609 }
1610 diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
1611 index 628ef617bb2f..f9525d6f0bfe 100644
1612 --- a/drivers/input/mouse/elan_i2c_core.c
1613 +++ b/drivers/input/mouse/elan_i2c_core.c
1614 @@ -1339,21 +1339,46 @@ static const struct acpi_device_id elan_acpi_id[] = {
1615 { "ELAN0600", 0 },
1616 { "ELAN0601", 0 },
1617 { "ELAN0602", 0 },
1618 + { "ELAN0603", 0 },
1619 + { "ELAN0604", 0 },
1620 { "ELAN0605", 0 },
1621 + { "ELAN0606", 0 },
1622 + { "ELAN0607", 0 },
1623 { "ELAN0608", 0 },
1624 { "ELAN0609", 0 },
1625 { "ELAN060B", 0 },
1626 { "ELAN060C", 0 },
1627 + { "ELAN060F", 0 },
1628 + { "ELAN0610", 0 },
1629 { "ELAN0611", 0 },
1630 { "ELAN0612", 0 },
1631 + { "ELAN0615", 0 },
1632 + { "ELAN0616", 0 },
1633 { "ELAN0617", 0 },
1634 { "ELAN0618", 0 },
1635 + { "ELAN0619", 0 },
1636 + { "ELAN061A", 0 },
1637 + { "ELAN061B", 0 },
1638 { "ELAN061C", 0 },
1639 { "ELAN061D", 0 },
1640 { "ELAN061E", 0 },
1641 + { "ELAN061F", 0 },
1642 { "ELAN0620", 0 },
1643 { "ELAN0621", 0 },
1644 { "ELAN0622", 0 },
1645 + { "ELAN0623", 0 },
1646 + { "ELAN0624", 0 },
1647 + { "ELAN0625", 0 },
1648 + { "ELAN0626", 0 },
1649 + { "ELAN0627", 0 },
1650 + { "ELAN0628", 0 },
1651 + { "ELAN0629", 0 },
1652 + { "ELAN062A", 0 },
1653 + { "ELAN062B", 0 },
1654 + { "ELAN062C", 0 },
1655 + { "ELAN062D", 0 },
1656 + { "ELAN0631", 0 },
1657 + { "ELAN0632", 0 },
1658 { "ELAN1000", 0 },
1659 { }
1660 };
1661 diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
1662 index 537c90c8eb0a..f89fc6ea6078 100644
1663 --- a/drivers/net/bonding/bond_main.c
1664 +++ b/drivers/net/bonding/bond_main.c
1665 @@ -3214,8 +3214,12 @@ static int bond_netdev_event(struct notifier_block *this,
1666 return NOTIFY_DONE;
1667
1668 if (event_dev->flags & IFF_MASTER) {
1669 + int ret;
1670 +
1671 netdev_dbg(event_dev, "IFF_MASTER\n");
1672 - return bond_master_netdev_event(event, event_dev);
1673 + ret = bond_master_netdev_event(event, event_dev);
1674 + if (ret != NOTIFY_DONE)
1675 + return ret;
1676 }
1677
1678 if (event_dev->flags & IFF_SLAVE) {
1679 diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
1680 index d4ee9f9c8c34..36263c77df46 100644
1681 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
1682 +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
1683 @@ -32,6 +32,13 @@
1684 #define DRV_NAME "nicvf"
1685 #define DRV_VERSION "1.0"
1686
1687 +/* NOTE: Packets bigger than 1530 are split across multiple pages and XDP needs
1688 + * the buffer to be contiguous. Allow XDP to be set up only if we don't exceed
1689 + * this value, keeping headroom for the 14 byte Ethernet header and two
1690 + * VLAN tags (for QinQ)
1691 + */
1692 +#define MAX_XDP_MTU (1530 - ETH_HLEN - VLAN_HLEN * 2)
1693 +
1694 /* Supported devices */
1695 static const struct pci_device_id nicvf_id_table[] = {
1696 { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM,
1697 @@ -1582,6 +1589,15 @@ static int nicvf_change_mtu(struct net_device *netdev, int new_mtu)
1698 struct nicvf *nic = netdev_priv(netdev);
1699 int orig_mtu = netdev->mtu;
1700
1701 + /* For now just support only the usual MTU sized frames,
1702 + * plus some headroom for VLAN, QinQ.
1703 + */
1704 + if (nic->xdp_prog && new_mtu > MAX_XDP_MTU) {
1705 + netdev_warn(netdev, "Jumbo frames not yet supported with XDP, current MTU %d.\n",
1706 + netdev->mtu);
1707 + return -EINVAL;
1708 + }
1709 +
1710 netdev->mtu = new_mtu;
1711
1712 if (!netif_running(netdev))
1713 @@ -1830,8 +1846,10 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog)
1714 bool bpf_attached = false;
1715 int ret = 0;
1716
1717 - /* For now just support only the usual MTU sized frames */
1718 - if (prog && (dev->mtu > 1500)) {
1719 + /* For now just support only the usual MTU sized frames,
1720 + * plus some headroom for VLAN, QinQ.
1721 + */
1722 + if (prog && dev->mtu > MAX_XDP_MTU) {
1723 netdev_warn(dev, "Jumbo frames not yet supported with XDP, current MTU %d.\n",
1724 dev->mtu);
1725 return -EOPNOTSUPP;
1726 diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
1727 index 697c2427f2b7..a96ad20ee484 100644
1728 --- a/drivers/net/ethernet/freescale/fec_main.c
1729 +++ b/drivers/net/ethernet/freescale/fec_main.c
1730 @@ -1840,13 +1840,9 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
1731 int ret;
1732
1733 if (enable) {
1734 - ret = clk_prepare_enable(fep->clk_ahb);
1735 - if (ret)
1736 - return ret;
1737 -
1738 ret = clk_prepare_enable(fep->clk_enet_out);
1739 if (ret)
1740 - goto failed_clk_enet_out;
1741 + return ret;
1742
1743 if (fep->clk_ptp) {
1744 mutex_lock(&fep->ptp_clk_mutex);
1745 @@ -1866,7 +1862,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
1746
1747 phy_reset_after_clk_enable(ndev->phydev);
1748 } else {
1749 - clk_disable_unprepare(fep->clk_ahb);
1750 clk_disable_unprepare(fep->clk_enet_out);
1751 if (fep->clk_ptp) {
1752 mutex_lock(&fep->ptp_clk_mutex);
1753 @@ -1885,8 +1880,6 @@ failed_clk_ref:
1754 failed_clk_ptp:
1755 if (fep->clk_enet_out)
1756 clk_disable_unprepare(fep->clk_enet_out);
1757 -failed_clk_enet_out:
1758 - clk_disable_unprepare(fep->clk_ahb);
1759
1760 return ret;
1761 }
1762 @@ -3470,6 +3463,9 @@ fec_probe(struct platform_device *pdev)
1763 ret = clk_prepare_enable(fep->clk_ipg);
1764 if (ret)
1765 goto failed_clk_ipg;
1766 + ret = clk_prepare_enable(fep->clk_ahb);
1767 + if (ret)
1768 + goto failed_clk_ahb;
1769
1770 fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy");
1771 if (!IS_ERR(fep->reg_phy)) {
1772 @@ -3563,6 +3559,9 @@ failed_reset:
1773 pm_runtime_put(&pdev->dev);
1774 pm_runtime_disable(&pdev->dev);
1775 failed_regulator:
1776 + clk_disable_unprepare(fep->clk_ahb);
1777 +failed_clk_ahb:
1778 + clk_disable_unprepare(fep->clk_ipg);
1779 failed_clk_ipg:
1780 fec_enet_clk_enable(ndev, false);
1781 failed_clk:
1782 @@ -3686,6 +3685,7 @@ static int __maybe_unused fec_runtime_suspend(struct device *dev)
1783 struct net_device *ndev = dev_get_drvdata(dev);
1784 struct fec_enet_private *fep = netdev_priv(ndev);
1785
1786 + clk_disable_unprepare(fep->clk_ahb);
1787 clk_disable_unprepare(fep->clk_ipg);
1788
1789 return 0;
1790 @@ -3695,8 +3695,20 @@ static int __maybe_unused fec_runtime_resume(struct device *dev)
1791 {
1792 struct net_device *ndev = dev_get_drvdata(dev);
1793 struct fec_enet_private *fep = netdev_priv(ndev);
1794 + int ret;
1795
1796 - return clk_prepare_enable(fep->clk_ipg);
1797 + ret = clk_prepare_enable(fep->clk_ahb);
1798 + if (ret)
1799 + return ret;
1800 + ret = clk_prepare_enable(fep->clk_ipg);
1801 + if (ret)
1802 + goto failed_clk_ipg;
1803 +
1804 + return 0;
1805 +
1806 +failed_clk_ipg:
1807 + clk_disable_unprepare(fep->clk_ahb);
1808 + return ret;
1809 }
1810
1811 static const struct dev_pm_ops fec_pm_ops = {
1812 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
1813 index f3c7ab6faea5..b8521e2f64ac 100644
1814 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
1815 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
1816 @@ -39,6 +39,10 @@ static int get_route_and_out_devs(struct mlx5e_priv *priv,
1817 return -EOPNOTSUPP;
1818 }
1819
1820 + if (!(mlx5e_eswitch_rep(*out_dev) &&
1821 + mlx5e_is_uplink_rep(netdev_priv(*out_dev))))
1822 + return -EOPNOTSUPP;
1823 +
1824 return 0;
1825 }
1826
1827 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
1828 index e6099f51d25f..3b9e5f0d0212 100644
1829 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
1830 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
1831 @@ -1665,7 +1665,8 @@ static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
1832 struct mlx5e_channel *c;
1833 int i;
1834
1835 - if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
1836 + if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
1837 + priv->channels.params.xdp_prog)
1838 return 0;
1839
1840 for (i = 0; i < channels->num; i++) {
1841 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
1842 index 93e50ccd44c3..0cb19e4dd439 100644
1843 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
1844 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
1845 @@ -950,7 +950,11 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
1846 if (params->rx_dim_enabled)
1847 __set_bit(MLX5E_RQ_STATE_AM, &c->rq.state);
1848
1849 - if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE))
1850 + /* We disable csum_complete when XDP is enabled since
1851 + * XDP programs might manipulate packets which will render
1852 + * skb->checksum incorrect.
1853 + */
1854 + if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) || c->xdp)
1855 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1856
1857 return 0;
1858 @@ -4570,7 +4574,7 @@ void mlx5e_build_rss_params(struct mlx5e_rss_params *rss_params,
1859 {
1860 enum mlx5e_traffic_types tt;
1861
1862 - rss_params->hfunc = ETH_RSS_HASH_XOR;
1863 + rss_params->hfunc = ETH_RSS_HASH_TOP;
1864 netdev_rss_key_fill(rss_params->toeplitz_hash_key,
1865 sizeof(rss_params->toeplitz_hash_key));
1866 mlx5e_build_default_indir_rqt(rss_params->indirection_rqt,
1867 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
1868 index f86e4804e83e..2cbda8abd8b9 100644
1869 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
1870 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
1871 @@ -693,7 +693,14 @@ static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth,
1872 {
1873 *proto = ((struct ethhdr *)skb->data)->h_proto;
1874 *proto = __vlan_get_protocol(skb, *proto, network_depth);
1875 - return (*proto == htons(ETH_P_IP) || *proto == htons(ETH_P_IPV6));
1876 +
1877 + if (*proto == htons(ETH_P_IP))
1878 + return pskb_may_pull(skb, *network_depth + sizeof(struct iphdr));
1879 +
1880 + if (*proto == htons(ETH_P_IPV6))
1881 + return pskb_may_pull(skb, *network_depth + sizeof(struct ipv6hdr));
1882 +
1883 + return false;
1884 }
1885
1886 static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb)
1887 @@ -713,17 +720,6 @@ static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb)
1888 rq->stats->ecn_mark += !!rc;
1889 }
1890
1891 -static u32 mlx5e_get_fcs(const struct sk_buff *skb)
1892 -{
1893 - const void *fcs_bytes;
1894 - u32 _fcs_bytes;
1895 -
1896 - fcs_bytes = skb_header_pointer(skb, skb->len - ETH_FCS_LEN,
1897 - ETH_FCS_LEN, &_fcs_bytes);
1898 -
1899 - return __get_unaligned_cpu32(fcs_bytes);
1900 -}
1901 -
1902 static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto)
1903 {
1904 void *ip_p = skb->data + network_depth;
1905 @@ -734,6 +730,68 @@ static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto)
1906
1907 #define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN)
1908
1909 +#define MAX_PADDING 8
1910 +
1911 +static void
1912 +tail_padding_csum_slow(struct sk_buff *skb, int offset, int len,
1913 + struct mlx5e_rq_stats *stats)
1914 +{
1915 + stats->csum_complete_tail_slow++;
1916 + skb->csum = csum_block_add(skb->csum,
1917 + skb_checksum(skb, offset, len, 0),
1918 + offset);
1919 +}
1920 +
1921 +static void
1922 +tail_padding_csum(struct sk_buff *skb, int offset,
1923 + struct mlx5e_rq_stats *stats)
1924 +{
1925 + u8 tail_padding[MAX_PADDING];
1926 + int len = skb->len - offset;
1927 + void *tail;
1928 +
1929 + if (unlikely(len > MAX_PADDING)) {
1930 + tail_padding_csum_slow(skb, offset, len, stats);
1931 + return;
1932 + }
1933 +
1934 + tail = skb_header_pointer(skb, offset, len, tail_padding);
1935 + if (unlikely(!tail)) {
1936 + tail_padding_csum_slow(skb, offset, len, stats);
1937 + return;
1938 + }
1939 +
1940 + stats->csum_complete_tail++;
1941 + skb->csum = csum_block_add(skb->csum, csum_partial(tail, len, 0), offset);
1942 +}
1943 +
1944 +static void
1945 +mlx5e_skb_padding_csum(struct sk_buff *skb, int network_depth, __be16 proto,
1946 + struct mlx5e_rq_stats *stats)
1947 +{
1948 + struct ipv6hdr *ip6;
1949 + struct iphdr *ip4;
1950 + int pkt_len;
1951 +
1952 + switch (proto) {
1953 + case htons(ETH_P_IP):
1954 + ip4 = (struct iphdr *)(skb->data + network_depth);
1955 + pkt_len = network_depth + ntohs(ip4->tot_len);
1956 + break;
1957 + case htons(ETH_P_IPV6):
1958 + ip6 = (struct ipv6hdr *)(skb->data + network_depth);
1959 + pkt_len = network_depth + sizeof(*ip6) + ntohs(ip6->payload_len);
1960 + break;
1961 + default:
1962 + return;
1963 + }
1964 +
1965 + if (likely(pkt_len >= skb->len))
1966 + return;
1967 +
1968 + tail_padding_csum(skb, pkt_len, stats);
1969 +}
1970 +
1971 static inline void mlx5e_handle_csum(struct net_device *netdev,
1972 struct mlx5_cqe64 *cqe,
1973 struct mlx5e_rq *rq,
1974 @@ -753,7 +811,8 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
1975 return;
1976 }
1977
1978 - if (unlikely(test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state)))
1979 + /* True when explicitly set via priv flag, or XDP prog is loaded */
1980 + if (test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state))
1981 goto csum_unnecessary;
1982
1983 /* CQE csum doesn't cover padding octets in short ethernet
1984 @@ -781,18 +840,15 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
1985 skb->csum = csum_partial(skb->data + ETH_HLEN,
1986 network_depth - ETH_HLEN,
1987 skb->csum);
1988 - if (unlikely(netdev->features & NETIF_F_RXFCS))
1989 - skb->csum = csum_block_add(skb->csum,
1990 - (__force __wsum)mlx5e_get_fcs(skb),
1991 - skb->len - ETH_FCS_LEN);
1992 +
1993 + mlx5e_skb_padding_csum(skb, network_depth, proto, stats);
1994 stats->csum_complete++;
1995 return;
1996 }
1997
1998 csum_unnecessary:
1999 if (likely((cqe->hds_ip_ext & CQE_L3_OK) &&
2000 - ((cqe->hds_ip_ext & CQE_L4_OK) ||
2001 - (get_cqe_l4_hdr_type(cqe) == CQE_L4_HDR_TYPE_NONE)))) {
2002 + (cqe->hds_ip_ext & CQE_L4_OK))) {
2003 skb->ip_summed = CHECKSUM_UNNECESSARY;
2004 if (cqe_is_tunneled(cqe)) {
2005 skb->csum_level = 1;
2006 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
2007 index d3fe48ff9da9..4461b44acafc 100644
2008 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
2009 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
2010 @@ -59,6 +59,8 @@ static const struct counter_desc sw_stats_desc[] = {
2011 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) },
2012 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_none) },
2013 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete) },
2014 + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail) },
2015 + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail_slow) },
2016 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) },
2017 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) },
2018 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_redirect) },
2019 @@ -151,6 +153,8 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
2020 s->rx_removed_vlan_packets += rq_stats->removed_vlan_packets;
2021 s->rx_csum_none += rq_stats->csum_none;
2022 s->rx_csum_complete += rq_stats->csum_complete;
2023 + s->rx_csum_complete_tail += rq_stats->csum_complete_tail;
2024 + s->rx_csum_complete_tail_slow += rq_stats->csum_complete_tail_slow;
2025 s->rx_csum_unnecessary += rq_stats->csum_unnecessary;
2026 s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner;
2027 s->rx_xdp_drop += rq_stats->xdp_drop;
2028 @@ -1192,6 +1196,8 @@ static const struct counter_desc rq_stats_desc[] = {
2029 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, packets) },
2030 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, bytes) },
2031 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete) },
2032 + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail) },
2033 + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail_slow) },
2034 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary) },
2035 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary_inner) },
2036 { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_none) },
2037 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
2038 index fe91ec06e3c7..714303bf0797 100644
2039 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
2040 +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
2041 @@ -71,6 +71,8 @@ struct mlx5e_sw_stats {
2042 u64 rx_csum_unnecessary;
2043 u64 rx_csum_none;
2044 u64 rx_csum_complete;
2045 + u64 rx_csum_complete_tail;
2046 + u64 rx_csum_complete_tail_slow;
2047 u64 rx_csum_unnecessary_inner;
2048 u64 rx_xdp_drop;
2049 u64 rx_xdp_redirect;
2050 @@ -181,6 +183,8 @@ struct mlx5e_rq_stats {
2051 u64 packets;
2052 u64 bytes;
2053 u64 csum_complete;
2054 + u64 csum_complete_tail;
2055 + u64 csum_complete_tail_slow;
2056 u64 csum_unnecessary;
2057 u64 csum_unnecessary_inner;
2058 u64 csum_none;
2059 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
2060 index 8de64e88c670..22a2ef111514 100644
2061 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
2062 +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
2063 @@ -148,14 +148,16 @@ static int mlx5_fpga_tls_alloc_swid(struct idr *idr, spinlock_t *idr_spinlock,
2064 return ret;
2065 }
2066
2067 -static void mlx5_fpga_tls_release_swid(struct idr *idr,
2068 - spinlock_t *idr_spinlock, u32 swid)
2069 +static void *mlx5_fpga_tls_release_swid(struct idr *idr,
2070 + spinlock_t *idr_spinlock, u32 swid)
2071 {
2072 unsigned long flags;
2073 + void *ptr;
2074
2075 spin_lock_irqsave(idr_spinlock, flags);
2076 - idr_remove(idr, swid);
2077 + ptr = idr_remove(idr, swid);
2078 spin_unlock_irqrestore(idr_spinlock, flags);
2079 + return ptr;
2080 }
2081
2082 static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn,
2083 @@ -165,20 +167,12 @@ static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn,
2084 kfree(buf);
2085 }
2086
2087 -struct mlx5_teardown_stream_context {
2088 - struct mlx5_fpga_tls_command_context cmd;
2089 - u32 swid;
2090 -};
2091 -
2092 static void
2093 mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn,
2094 struct mlx5_fpga_device *fdev,
2095 struct mlx5_fpga_tls_command_context *cmd,
2096 struct mlx5_fpga_dma_buf *resp)
2097 {
2098 - struct mlx5_teardown_stream_context *ctx =
2099 - container_of(cmd, struct mlx5_teardown_stream_context, cmd);
2100 -
2101 if (resp) {
2102 u32 syndrome = MLX5_GET(tls_resp, resp->sg[0].data, syndrome);
2103
2104 @@ -186,14 +180,6 @@ mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn,
2105 mlx5_fpga_err(fdev,
2106 "Teardown stream failed with syndrome = %d",
2107 syndrome);
2108 - else if (MLX5_GET(tls_cmd, cmd->buf.sg[0].data, direction_sx))
2109 - mlx5_fpga_tls_release_swid(&fdev->tls->tx_idr,
2110 - &fdev->tls->tx_idr_spinlock,
2111 - ctx->swid);
2112 - else
2113 - mlx5_fpga_tls_release_swid(&fdev->tls->rx_idr,
2114 - &fdev->tls->rx_idr_spinlock,
2115 - ctx->swid);
2116 }
2117 mlx5_fpga_tls_put_command_ctx(cmd);
2118 }
2119 @@ -217,22 +203,22 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
2120 void *cmd;
2121 int ret;
2122
2123 - rcu_read_lock();
2124 - flow = idr_find(&mdev->fpga->tls->rx_idr, ntohl(handle));
2125 - rcu_read_unlock();
2126 -
2127 - if (!flow) {
2128 - WARN_ONCE(1, "Received NULL pointer for handle\n");
2129 - return -EINVAL;
2130 - }
2131 -
2132 buf = kzalloc(size, GFP_ATOMIC);
2133 if (!buf)
2134 return -ENOMEM;
2135
2136 cmd = (buf + 1);
2137
2138 + rcu_read_lock();
2139 + flow = idr_find(&mdev->fpga->tls->rx_idr, ntohl(handle));
2140 + if (unlikely(!flow)) {
2141 + rcu_read_unlock();
2142 + WARN_ONCE(1, "Received NULL pointer for handle\n");
2143 + kfree(buf);
2144 + return -EINVAL;
2145 + }
2146 mlx5_fpga_tls_flow_to_cmd(flow, cmd);
2147 + rcu_read_unlock();
2148
2149 MLX5_SET(tls_cmd, cmd, swid, ntohl(handle));
2150 MLX5_SET64(tls_cmd, cmd, tls_rcd_sn, be64_to_cpu(rcd_sn));
2151 @@ -253,7 +239,7 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
2152 static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
2153 void *flow, u32 swid, gfp_t flags)
2154 {
2155 - struct mlx5_teardown_stream_context *ctx;
2156 + struct mlx5_fpga_tls_command_context *ctx;
2157 struct mlx5_fpga_dma_buf *buf;
2158 void *cmd;
2159
2160 @@ -261,7 +247,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
2161 if (!ctx)
2162 return;
2163
2164 - buf = &ctx->cmd.buf;
2165 + buf = &ctx->buf;
2166 cmd = (ctx + 1);
2167 MLX5_SET(tls_cmd, cmd, command_type, CMD_TEARDOWN_STREAM);
2168 MLX5_SET(tls_cmd, cmd, swid, swid);
2169 @@ -272,8 +258,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
2170 buf->sg[0].data = cmd;
2171 buf->sg[0].size = MLX5_TLS_COMMAND_SIZE;
2172
2173 - ctx->swid = swid;
2174 - mlx5_fpga_tls_cmd_send(mdev->fpga, &ctx->cmd,
2175 + mlx5_fpga_tls_cmd_send(mdev->fpga, ctx,
2176 mlx5_fpga_tls_teardown_completion);
2177 }
2178
2179 @@ -283,13 +268,14 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
2180 struct mlx5_fpga_tls *tls = mdev->fpga->tls;
2181 void *flow;
2182
2183 - rcu_read_lock();
2184 if (direction_sx)
2185 - flow = idr_find(&tls->tx_idr, swid);
2186 + flow = mlx5_fpga_tls_release_swid(&tls->tx_idr,
2187 + &tls->tx_idr_spinlock,
2188 + swid);
2189 else
2190 - flow = idr_find(&tls->rx_idr, swid);
2191 -
2192 - rcu_read_unlock();
2193 + flow = mlx5_fpga_tls_release_swid(&tls->rx_idr,
2194 + &tls->rx_idr_spinlock,
2195 + swid);
2196
2197 if (!flow) {
2198 mlx5_fpga_err(mdev->fpga, "No flow information for swid %u\n",
2199 @@ -297,6 +283,7 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
2200 return;
2201 }
2202
2203 + synchronize_rcu(); /* before kfree(flow) */
2204 mlx5_fpga_tls_send_teardown_cmd(mdev, flow, swid, flags);
2205 }
2206
2207 diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
2208 index ddedf8ab5b64..fc643fde5a4a 100644
2209 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c
2210 +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
2211 @@ -568,7 +568,7 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
2212 if (!(mlxsw_core->bus->features & MLXSW_BUS_F_TXRX))
2213 return 0;
2214
2215 - emad_wq = alloc_workqueue("mlxsw_core_emad", WQ_MEM_RECLAIM, 0);
2216 + emad_wq = alloc_workqueue("mlxsw_core_emad", 0, 0);
2217 if (!emad_wq)
2218 return -ENOMEM;
2219 mlxsw_core->emad_wq = emad_wq;
2220 @@ -1912,10 +1912,10 @@ static int __init mlxsw_core_module_init(void)
2221 {
2222 int err;
2223
2224 - mlxsw_wq = alloc_workqueue(mlxsw_core_driver_name, WQ_MEM_RECLAIM, 0);
2225 + mlxsw_wq = alloc_workqueue(mlxsw_core_driver_name, 0, 0);
2226 if (!mlxsw_wq)
2227 return -ENOMEM;
2228 - mlxsw_owq = alloc_ordered_workqueue("%s_ordered", WQ_MEM_RECLAIM,
2229 + mlxsw_owq = alloc_ordered_workqueue("%s_ordered", 0,
2230 mlxsw_core_driver_name);
2231 if (!mlxsw_owq) {
2232 err = -ENOMEM;
2233 diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
2234 index 98e5ffd71b91..2f6afbfd689f 100644
2235 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
2236 +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
2237 @@ -6745,7 +6745,7 @@ static int mlxsw_sp_router_port_check_rif_addr(struct mlxsw_sp *mlxsw_sp,
2238 /* A RIF is not created for macvlan netdevs. Their MAC is used to
2239 * populate the FDB
2240 */
2241 - if (netif_is_macvlan(dev))
2242 + if (netif_is_macvlan(dev) || netif_is_l3_master(dev))
2243 return 0;
2244
2245 for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
2246 diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
2247 index c772109b638d..f5a10e286400 100644
2248 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
2249 +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
2250 @@ -1654,7 +1654,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
2251 u16 fid_index;
2252 int err = 0;
2253
2254 - if (switchdev_trans_ph_prepare(trans))
2255 + if (switchdev_trans_ph_commit(trans))
2256 return 0;
2257
2258 bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
2259 diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
2260 index 8d54b36afee8..2bbc5b8f92c2 100644
2261 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c
2262 +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
2263 @@ -49,8 +49,7 @@ nfp_fl_push_vlan(struct nfp_fl_push_vlan *push_vlan,
2264
2265 tmp_push_vlan_tci =
2266 FIELD_PREP(NFP_FL_PUSH_VLAN_PRIO, tcf_vlan_push_prio(action)) |
2267 - FIELD_PREP(NFP_FL_PUSH_VLAN_VID, tcf_vlan_push_vid(action)) |
2268 - NFP_FL_PUSH_VLAN_CFI;
2269 + FIELD_PREP(NFP_FL_PUSH_VLAN_VID, tcf_vlan_push_vid(action));
2270 push_vlan->vlan_tci = cpu_to_be16(tmp_push_vlan_tci);
2271 }
2272
2273 diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
2274 index 15f41cfef9f1..ab07d76b4186 100644
2275 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
2276 +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
2277 @@ -26,7 +26,7 @@
2278 #define NFP_FLOWER_LAYER2_GENEVE_OP BIT(6)
2279
2280 #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13)
2281 -#define NFP_FLOWER_MASK_VLAN_CFI BIT(12)
2282 +#define NFP_FLOWER_MASK_VLAN_PRESENT BIT(12)
2283 #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0)
2284
2285 #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12)
2286 @@ -82,7 +82,6 @@
2287 #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0)
2288
2289 #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13)
2290 -#define NFP_FL_PUSH_VLAN_CFI BIT(12)
2291 #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0)
2292
2293 #define IPV6_FLOW_LABEL_MASK cpu_to_be32(0x000fffff)
2294 diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
2295 index cdf75595f627..571cc8ced33e 100644
2296 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c
2297 +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
2298 @@ -26,14 +26,12 @@ nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *frame,
2299 FLOW_DISSECTOR_KEY_VLAN,
2300 target);
2301 /* Populate the tci field. */
2302 - if (flow_vlan->vlan_id || flow_vlan->vlan_priority) {
2303 - tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
2304 - flow_vlan->vlan_priority) |
2305 - FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
2306 - flow_vlan->vlan_id) |
2307 - NFP_FLOWER_MASK_VLAN_CFI;
2308 - frame->tci = cpu_to_be16(tmp_tci);
2309 - }
2310 + tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
2311 + tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
2312 + flow_vlan->vlan_priority) |
2313 + FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
2314 + flow_vlan->vlan_id);
2315 + frame->tci = cpu_to_be16(tmp_tci);
2316 }
2317 }
2318
2319 diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
2320 index 6ce3f666d142..1283632091d5 100644
2321 --- a/drivers/net/team/team.c
2322 +++ b/drivers/net/team/team.c
2323 @@ -1247,6 +1247,23 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
2324 goto err_option_port_add;
2325 }
2326
2327 + /* set promiscuity level to new slave */
2328 + if (dev->flags & IFF_PROMISC) {
2329 + err = dev_set_promiscuity(port_dev, 1);
2330 + if (err)
2331 + goto err_set_slave_promisc;
2332 + }
2333 +
2334 + /* set allmulti level to new slave */
2335 + if (dev->flags & IFF_ALLMULTI) {
2336 + err = dev_set_allmulti(port_dev, 1);
2337 + if (err) {
2338 + if (dev->flags & IFF_PROMISC)
2339 + dev_set_promiscuity(port_dev, -1);
2340 + goto err_set_slave_promisc;
2341 + }
2342 + }
2343 +
2344 netif_addr_lock_bh(dev);
2345 dev_uc_sync_multiple(port_dev, dev);
2346 dev_mc_sync_multiple(port_dev, dev);
2347 @@ -1263,6 +1280,9 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
2348
2349 return 0;
2350
2351 +err_set_slave_promisc:
2352 + __team_option_inst_del_port(team, port);
2353 +
2354 err_option_port_add:
2355 team_upper_dev_unlink(team, port);
2356
2357 @@ -1308,6 +1328,12 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
2358
2359 team_port_disable(team, port);
2360 list_del_rcu(&port->list);
2361 +
2362 + if (dev->flags & IFF_PROMISC)
2363 + dev_set_promiscuity(port_dev, -1);
2364 + if (dev->flags & IFF_ALLMULTI)
2365 + dev_set_allmulti(port_dev, -1);
2366 +
2367 team_upper_dev_unlink(team, port);
2368 netdev_rx_handler_unregister(port_dev);
2369 team_port_disable_netpoll(port);
2370 diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
2371 index 7c9dfa54fee8..9678322aca60 100644
2372 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
2373 +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
2374 @@ -421,7 +421,6 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
2375 return;
2376
2377 rcu_read_lock();
2378 - mt76_tx_status_lock(mdev, &list);
2379
2380 if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid))
2381 wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]);
2382 @@ -434,6 +433,8 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
2383 drv_priv);
2384 }
2385
2386 + mt76_tx_status_lock(mdev, &list);
2387 +
2388 if (wcid) {
2389 if (stat->pktid)
2390 status.skb = mt76_tx_status_skb_get(mdev, wcid,
2391 @@ -453,7 +454,9 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
2392 if (*update == 0 && stat_val == stat_cache &&
2393 stat->wcid == msta->status.wcid && msta->n_frames < 32) {
2394 msta->n_frames++;
2395 - goto out;
2396 + mt76_tx_status_unlock(mdev, &list);
2397 + rcu_read_unlock();
2398 + return;
2399 }
2400
2401 mt76x02_mac_fill_tx_status(dev, status.info, &msta->status,
2402 @@ -469,11 +472,10 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
2403
2404 if (status.skb)
2405 mt76_tx_status_skb_done(mdev, status.skb, &list);
2406 - else
2407 - ieee80211_tx_status_ext(mt76_hw(dev), &status);
2408 -
2409 -out:
2410 mt76_tx_status_unlock(mdev, &list);
2411 +
2412 + if (!status.skb)
2413 + ieee80211_tx_status_ext(mt76_hw(dev), &status);
2414 rcu_read_unlock();
2415 }
2416
2417 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
2418 index 4b1744e9fb78..50b92ca92bd7 100644
2419 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
2420 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
2421 @@ -673,7 +673,6 @@ enum rt2x00_state_flags {
2422 CONFIG_CHANNEL_HT40,
2423 CONFIG_POWERSAVING,
2424 CONFIG_HT_DISABLED,
2425 - CONFIG_QOS_DISABLED,
2426 CONFIG_MONITORING,
2427
2428 /*
2429 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
2430 index 2825560e2424..e8462f25d252 100644
2431 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
2432 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
2433 @@ -642,18 +642,8 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
2434 rt2x00dev->intf_associated--;
2435
2436 rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated);
2437 -
2438 - clear_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags);
2439 }
2440
2441 - /*
2442 - * Check for access point which do not support 802.11e . We have to
2443 - * generate data frames sequence number in S/W for such AP, because
2444 - * of H/W bug.
2445 - */
2446 - if (changes & BSS_CHANGED_QOS && !bss_conf->qos)
2447 - set_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags);
2448 -
2449 /*
2450 * When the erp information has changed, we should perform
2451 * additional configuration steps. For all other changes we are done.
2452 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
2453 index 92ddc19e7bf7..4834b4eb0206 100644
2454 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
2455 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
2456 @@ -201,15 +201,18 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
2457 if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_SW_SEQNO)) {
2458 /*
2459 * rt2800 has a H/W (or F/W) bug, device incorrectly increase
2460 - * seqno on retransmited data (non-QOS) frames. To workaround
2461 - * the problem let's generate seqno in software if QOS is
2462 - * disabled.
2463 + * seqno on retransmitted data (non-QOS) and management frames.
2464 + * To workaround the problem let's generate seqno in software.
2465 + * Except for beacons which are transmitted periodically by H/W
2466 + * hence hardware has to assign seqno for them.
2467 */
2468 - if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags))
2469 - __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
2470 - else
2471 + if (ieee80211_is_beacon(hdr->frame_control)) {
2472 + __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
2473 /* H/W will generate sequence number */
2474 return;
2475 + }
2476 +
2477 + __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
2478 }
2479
2480 /*
2481 diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
2482 index dfba4921b265..5bf61431434b 100644
2483 --- a/drivers/scsi/libfc/fc_rport.c
2484 +++ b/drivers/scsi/libfc/fc_rport.c
2485 @@ -2162,7 +2162,6 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
2486 FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n",
2487 fc_rport_state(rdata));
2488
2489 - rdata->flags &= ~FC_RP_STARTED;
2490 fc_rport_enter_delete(rdata, RPORT_EV_STOP);
2491 mutex_unlock(&rdata->rp_mutex);
2492 kref_put(&rdata->kref, fc_rport_destroy);
2493 diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
2494 index 655ad26106e4..5c78710b713f 100644
2495 --- a/drivers/scsi/scsi_lib.c
2496 +++ b/drivers/scsi/scsi_lib.c
2497 @@ -1763,8 +1763,12 @@ out_put_budget:
2498 ret = BLK_STS_DEV_RESOURCE;
2499 break;
2500 default:
2501 + if (unlikely(!scsi_device_online(sdev)))
2502 + scsi_req(req)->result = DID_NO_CONNECT << 16;
2503 + else
2504 + scsi_req(req)->result = DID_ERROR << 16;
2505 /*
2506 - * Make sure to release all allocated ressources when
2507 + * Make sure to release all allocated resources when
2508 * we hit an error, as we will never see this command
2509 * again.
2510 */
2511 diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c
2512 index 808ed92ed66f..1bb1cb651349 100644
2513 --- a/drivers/staging/comedi/drivers/ni_usb6501.c
2514 +++ b/drivers/staging/comedi/drivers/ni_usb6501.c
2515 @@ -463,10 +463,8 @@ static int ni6501_alloc_usb_buffers(struct comedi_device *dev)
2516
2517 size = usb_endpoint_maxp(devpriv->ep_tx);
2518 devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
2519 - if (!devpriv->usb_tx_buf) {
2520 - kfree(devpriv->usb_rx_buf);
2521 + if (!devpriv->usb_tx_buf)
2522 return -ENOMEM;
2523 - }
2524
2525 return 0;
2526 }
2527 @@ -518,6 +516,9 @@ static int ni6501_auto_attach(struct comedi_device *dev,
2528 if (!devpriv)
2529 return -ENOMEM;
2530
2531 + mutex_init(&devpriv->mut);
2532 + usb_set_intfdata(intf, devpriv);
2533 +
2534 ret = ni6501_find_endpoints(dev);
2535 if (ret)
2536 return ret;
2537 @@ -526,9 +527,6 @@ static int ni6501_auto_attach(struct comedi_device *dev,
2538 if (ret)
2539 return ret;
2540
2541 - mutex_init(&devpriv->mut);
2542 - usb_set_intfdata(intf, devpriv);
2543 -
2544 ret = comedi_alloc_subdevices(dev, 2);
2545 if (ret)
2546 return ret;
2547 diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
2548 index 6234b649d887..65dc6c51037e 100644
2549 --- a/drivers/staging/comedi/drivers/vmk80xx.c
2550 +++ b/drivers/staging/comedi/drivers/vmk80xx.c
2551 @@ -682,10 +682,8 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
2552
2553 size = usb_endpoint_maxp(devpriv->ep_tx);
2554 devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
2555 - if (!devpriv->usb_tx_buf) {
2556 - kfree(devpriv->usb_rx_buf);
2557 + if (!devpriv->usb_tx_buf)
2558 return -ENOMEM;
2559 - }
2560
2561 return 0;
2562 }
2563 @@ -800,6 +798,8 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
2564
2565 devpriv->model = board->model;
2566
2567 + sema_init(&devpriv->limit_sem, 8);
2568 +
2569 ret = vmk80xx_find_usb_endpoints(dev);
2570 if (ret)
2571 return ret;
2572 @@ -808,8 +808,6 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
2573 if (ret)
2574 return ret;
2575
2576 - sema_init(&devpriv->limit_sem, 8);
2577 -
2578 usb_set_intfdata(intf, devpriv);
2579
2580 if (devpriv->model == VMK8055_MODEL)
2581 diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
2582 index acdbc07fd259..2fc8bc22b57b 100644
2583 --- a/drivers/staging/iio/adc/ad7192.c
2584 +++ b/drivers/staging/iio/adc/ad7192.c
2585 @@ -109,10 +109,10 @@
2586 #define AD7192_CH_AIN3 BIT(6) /* AIN3 - AINCOM */
2587 #define AD7192_CH_AIN4 BIT(7) /* AIN4 - AINCOM */
2588
2589 -#define AD7193_CH_AIN1P_AIN2M 0x000 /* AIN1(+) - AIN2(-) */
2590 -#define AD7193_CH_AIN3P_AIN4M 0x001 /* AIN3(+) - AIN4(-) */
2591 -#define AD7193_CH_AIN5P_AIN6M 0x002 /* AIN5(+) - AIN6(-) */
2592 -#define AD7193_CH_AIN7P_AIN8M 0x004 /* AIN7(+) - AIN8(-) */
2593 +#define AD7193_CH_AIN1P_AIN2M 0x001 /* AIN1(+) - AIN2(-) */
2594 +#define AD7193_CH_AIN3P_AIN4M 0x002 /* AIN3(+) - AIN4(-) */
2595 +#define AD7193_CH_AIN5P_AIN6M 0x004 /* AIN5(+) - AIN6(-) */
2596 +#define AD7193_CH_AIN7P_AIN8M 0x008 /* AIN7(+) - AIN8(-) */
2597 #define AD7193_CH_TEMP 0x100 /* Temp senseor */
2598 #define AD7193_CH_AIN2P_AIN2M 0x200 /* AIN2(+) - AIN2(-) */
2599 #define AD7193_CH_AIN1 0x401 /* AIN1 - AINCOM */
2600 diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c
2601 index 029c3bf42d4d..07774c000c5a 100644
2602 --- a/drivers/staging/iio/meter/ade7854.c
2603 +++ b/drivers/staging/iio/meter/ade7854.c
2604 @@ -269,7 +269,7 @@ static IIO_DEV_ATTR_VPEAK(0644,
2605 static IIO_DEV_ATTR_IPEAK(0644,
2606 ade7854_read_32bit,
2607 ade7854_write_32bit,
2608 - ADE7854_VPEAK);
2609 + ADE7854_IPEAK);
2610 static IIO_DEV_ATTR_APHCAL(0644,
2611 ade7854_read_16bit,
2612 ade7854_write_16bit,
2613 diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c
2614 index 18936cdb1083..956daf8c3bd2 100644
2615 --- a/drivers/staging/most/core.c
2616 +++ b/drivers/staging/most/core.c
2617 @@ -1431,7 +1431,7 @@ int most_register_interface(struct most_interface *iface)
2618
2619 INIT_LIST_HEAD(&iface->p->channel_list);
2620 iface->p->dev_id = id;
2621 - snprintf(iface->p->name, STRING_SIZE, "mdev%d", id);
2622 + strcpy(iface->p->name, iface->description);
2623 iface->dev.init_name = iface->p->name;
2624 iface->dev.bus = &mc.bus;
2625 iface->dev.parent = &mc.dev;
2626 diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
2627 index 93bd90f1ff14..e9a8b79ba77e 100644
2628 --- a/drivers/tty/serial/sh-sci.c
2629 +++ b/drivers/tty/serial/sh-sci.c
2630 @@ -2497,14 +2497,16 @@ done:
2631 * center of the last stop bit in sampling clocks.
2632 */
2633 int last_stop = bits * 2 - 1;
2634 - int deviation = min_err * srr * last_stop / 2 / baud;
2635 + int deviation = DIV_ROUND_CLOSEST(min_err * last_stop *
2636 + (int)(srr + 1),
2637 + 2 * (int)baud);
2638
2639 if (abs(deviation) >= 2) {
2640 /* At least two sampling clocks off at the
2641 * last stop bit; we can increase the error
2642 * margin by shifting the sampling point.
2643 */
2644 - int shift = min(-8, max(7, deviation / 2));
2645 + int shift = clamp(deviation / 2, -8, 7);
2646
2647 hssrr |= (shift << HSCIF_SRHP_SHIFT) &
2648 HSCIF_SRHP_MASK;
2649 diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
2650 index 9646ff63e77a..b6621a2e916d 100644
2651 --- a/drivers/tty/vt/vt.c
2652 +++ b/drivers/tty/vt/vt.c
2653 @@ -1518,7 +1518,8 @@ static void csi_J(struct vc_data *vc, int vpar)
2654 return;
2655 }
2656 scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
2657 - update_region(vc, (unsigned long) start, count);
2658 + if (con_should_update(vc))
2659 + do_update_region(vc, (unsigned long) start, count);
2660 vc->vc_need_wrap = 0;
2661 }
2662
2663 diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
2664 index a2e5dc7716e2..674cfc5a4084 100644
2665 --- a/drivers/vhost/vhost.c
2666 +++ b/drivers/vhost/vhost.c
2667 @@ -911,8 +911,12 @@ static int vhost_new_umem_range(struct vhost_umem *umem,
2668 u64 start, u64 size, u64 end,
2669 u64 userspace_addr, int perm)
2670 {
2671 - struct vhost_umem_node *tmp, *node = kmalloc(sizeof(*node), GFP_ATOMIC);
2672 + struct vhost_umem_node *tmp, *node;
2673
2674 + if (!size)
2675 + return -EFAULT;
2676 +
2677 + node = kmalloc(sizeof(*node), GFP_ATOMIC);
2678 if (!node)
2679 return -ENOMEM;
2680
2681 diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
2682 index 6c934ab3722b..10ead04346ee 100644
2683 --- a/fs/cifs/cifsglob.h
2684 +++ b/fs/cifs/cifsglob.h
2685 @@ -1303,6 +1303,7 @@ cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file)
2686 }
2687
2688 struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file);
2689 +void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_hdlr);
2690 void cifsFileInfo_put(struct cifsFileInfo *cifs_file);
2691
2692 #define CIFS_CACHE_READ_FLG 1
2693 @@ -1824,6 +1825,7 @@ GLOBAL_EXTERN spinlock_t gidsidlock;
2694 #endif /* CONFIG_CIFS_ACL */
2695
2696 void cifs_oplock_break(struct work_struct *work);
2697 +void cifs_queue_oplock_break(struct cifsFileInfo *cfile);
2698
2699 extern const struct slow_work_ops cifs_oplock_break_ops;
2700 extern struct workqueue_struct *cifsiod_wq;
2701 diff --git a/fs/cifs/file.c b/fs/cifs/file.c
2702 index 8d107587208f..7c05353b766c 100644
2703 --- a/fs/cifs/file.c
2704 +++ b/fs/cifs/file.c
2705 @@ -360,12 +360,30 @@ cifsFileInfo_get(struct cifsFileInfo *cifs_file)
2706 return cifs_file;
2707 }
2708
2709 -/*
2710 - * Release a reference on the file private data. This may involve closing
2711 - * the filehandle out on the server. Must be called without holding
2712 - * tcon->open_file_lock and cifs_file->file_info_lock.
2713 +/**
2714 + * cifsFileInfo_put - release a reference of file priv data
2715 + *
2716 + * Always potentially wait for oplock handler. See _cifsFileInfo_put().
2717 */
2718 void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
2719 +{
2720 + _cifsFileInfo_put(cifs_file, true);
2721 +}
2722 +
2723 +/**
2724 + * _cifsFileInfo_put - release a reference of file priv data
2725 + *
2726 + * This may involve closing the filehandle @cifs_file out on the
2727 + * server. Must be called without holding tcon->open_file_lock and
2728 + * cifs_file->file_info_lock.
2729 + *
2730 + * If @wait_for_oplock_handler is true and we are releasing the last
2731 + * reference, wait for any running oplock break handler of the file
2732 + * and cancel any pending one. If calling this function from the
2733 + * oplock break handler, you need to pass false.
2734 + *
2735 + */
2736 +void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_handler)
2737 {
2738 struct inode *inode = d_inode(cifs_file->dentry);
2739 struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
2740 @@ -414,7 +432,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
2741
2742 spin_unlock(&tcon->open_file_lock);
2743
2744 - oplock_break_cancelled = cancel_work_sync(&cifs_file->oplock_break);
2745 + oplock_break_cancelled = wait_oplock_handler ?
2746 + cancel_work_sync(&cifs_file->oplock_break) : false;
2747
2748 if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
2749 struct TCP_Server_Info *server = tcon->ses->server;
2750 @@ -4480,6 +4499,7 @@ void cifs_oplock_break(struct work_struct *work)
2751 cinode);
2752 cifs_dbg(FYI, "Oplock release rc = %d\n", rc);
2753 }
2754 + _cifsFileInfo_put(cfile, false /* do not wait for ourself */);
2755 cifs_done_oplock_break(cinode);
2756 }
2757
2758 diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
2759 index bee203055b30..1e1626a2cfc3 100644
2760 --- a/fs/cifs/misc.c
2761 +++ b/fs/cifs/misc.c
2762 @@ -501,8 +501,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
2763 CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
2764 &pCifsInode->flags);
2765
2766 - queue_work(cifsoplockd_wq,
2767 - &netfile->oplock_break);
2768 + cifs_queue_oplock_break(netfile);
2769 netfile->oplock_break_cancelled = false;
2770
2771 spin_unlock(&tcon->open_file_lock);
2772 @@ -607,6 +606,28 @@ void cifs_put_writer(struct cifsInodeInfo *cinode)
2773 spin_unlock(&cinode->writers_lock);
2774 }
2775
2776 +/**
2777 + * cifs_queue_oplock_break - queue the oplock break handler for cfile
2778 + *
2779 + * This function is called from the demultiplex thread when it
2780 + * receives an oplock break for @cfile.
2781 + *
2782 + * Assumes the tcon->open_file_lock is held.
2783 + * Assumes cfile->file_info_lock is NOT held.
2784 + */
2785 +void cifs_queue_oplock_break(struct cifsFileInfo *cfile)
2786 +{
2787 + /*
2788 + * Bump the handle refcount now while we hold the
2789 + * open_file_lock to enforce the validity of it for the oplock
2790 + * break handler. The matching put is done at the end of the
2791 + * handler.
2792 + */
2793 + cifsFileInfo_get(cfile);
2794 +
2795 + queue_work(cifsoplockd_wq, &cfile->oplock_break);
2796 +}
2797 +
2798 void cifs_done_oplock_break(struct cifsInodeInfo *cinode)
2799 {
2800 clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
2801 diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
2802 index 58700d2ba8cd..0a7ed2e3ad4f 100644
2803 --- a/fs/cifs/smb2misc.c
2804 +++ b/fs/cifs/smb2misc.c
2805 @@ -555,7 +555,7 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp,
2806 clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
2807 &cinode->flags);
2808
2809 - queue_work(cifsoplockd_wq, &cfile->oplock_break);
2810 + cifs_queue_oplock_break(cfile);
2811 kfree(lw);
2812 return true;
2813 }
2814 @@ -719,8 +719,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
2815 CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
2816 &cinode->flags);
2817 spin_unlock(&cfile->file_info_lock);
2818 - queue_work(cifsoplockd_wq,
2819 - &cfile->oplock_break);
2820 +
2821 + cifs_queue_oplock_break(cfile);
2822
2823 spin_unlock(&tcon->open_file_lock);
2824 spin_unlock(&cifs_tcp_ses_lock);
2825 diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
2826 index ea56b1cdbdde..d5434ac0571b 100644
2827 --- a/fs/cifs/smb2ops.c
2828 +++ b/fs/cifs/smb2ops.c
2829 @@ -2210,6 +2210,8 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
2830
2831 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_iov,
2832 &resp_buftype);
2833 + if (!rc)
2834 + SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
2835 if (!rc || !err_iov.iov_base) {
2836 rc = -ENOENT;
2837 goto free_path;
2838 diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
2839 index 068febe37fe4..938e75cc3b66 100644
2840 --- a/fs/cifs/smb2pdu.c
2841 +++ b/fs/cifs/smb2pdu.c
2842 @@ -815,8 +815,11 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
2843 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) {
2844 /* ops set to 3.0 by default for default so update */
2845 ses->server->ops = &smb21_operations;
2846 - } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID))
2847 + ses->server->vals = &smb21_values;
2848 + } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) {
2849 ses->server->ops = &smb311_operations;
2850 + ses->server->vals = &smb311_values;
2851 + }
2852 } else if (le16_to_cpu(rsp->DialectRevision) !=
2853 ses->server->vals->protocol_id) {
2854 /* if requested single dialect ensure returned dialect matched */
2855 @@ -3387,8 +3390,6 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
2856 rqst.rq_nvec = 1;
2857
2858 rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);
2859 - cifs_small_buf_release(req);
2860 -
2861 rsp = (struct smb2_read_rsp *)rsp_iov.iov_base;
2862
2863 if (rc) {
2864 @@ -3407,6 +3408,8 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
2865 io_parms->tcon->tid, ses->Suid,
2866 io_parms->offset, io_parms->length);
2867
2868 + cifs_small_buf_release(req);
2869 +
2870 *nbytes = le32_to_cpu(rsp->DataLength);
2871 if ((*nbytes > CIFS_MAX_MSGSIZE) ||
2872 (*nbytes > io_parms->length)) {
2873 @@ -3705,7 +3708,6 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
2874
2875 rc = cifs_send_recv(xid, io_parms->tcon->ses, &rqst,
2876 &resp_buftype, flags, &rsp_iov);
2877 - cifs_small_buf_release(req);
2878 rsp = (struct smb2_write_rsp *)rsp_iov.iov_base;
2879
2880 if (rc) {
2881 @@ -3723,6 +3725,7 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
2882 io_parms->offset, *nbytes);
2883 }
2884
2885 + cifs_small_buf_release(req);
2886 free_rsp_buf(resp_buftype, rsp);
2887 return rc;
2888 }
2889 diff --git a/fs/dax.c b/fs/dax.c
2890 index 05cca2214ae3..827ee143413e 100644
2891 --- a/fs/dax.c
2892 +++ b/fs/dax.c
2893 @@ -33,6 +33,7 @@
2894 #include <linux/sizes.h>
2895 #include <linux/mmu_notifier.h>
2896 #include <linux/iomap.h>
2897 +#include <asm/pgalloc.h>
2898 #include "internal.h"
2899
2900 #define CREATE_TRACE_POINTS
2901 @@ -1409,7 +1410,9 @@ static vm_fault_t dax_pmd_load_hole(struct xa_state *xas, struct vm_fault *vmf,
2902 {
2903 struct address_space *mapping = vmf->vma->vm_file->f_mapping;
2904 unsigned long pmd_addr = vmf->address & PMD_MASK;
2905 + struct vm_area_struct *vma = vmf->vma;
2906 struct inode *inode = mapping->host;
2907 + pgtable_t pgtable = NULL;
2908 struct page *zero_page;
2909 spinlock_t *ptl;
2910 pmd_t pmd_entry;
2911 @@ -1424,12 +1427,22 @@ static vm_fault_t dax_pmd_load_hole(struct xa_state *xas, struct vm_fault *vmf,
2912 *entry = dax_insert_entry(xas, mapping, vmf, *entry, pfn,
2913 DAX_PMD | DAX_ZERO_PAGE, false);
2914
2915 + if (arch_needs_pgtable_deposit()) {
2916 + pgtable = pte_alloc_one(vma->vm_mm);
2917 + if (!pgtable)
2918 + return VM_FAULT_OOM;
2919 + }
2920 +
2921 ptl = pmd_lock(vmf->vma->vm_mm, vmf->pmd);
2922 if (!pmd_none(*(vmf->pmd))) {
2923 spin_unlock(ptl);
2924 goto fallback;
2925 }
2926
2927 + if (pgtable) {
2928 + pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, pgtable);
2929 + mm_inc_nr_ptes(vma->vm_mm);
2930 + }
2931 pmd_entry = mk_pmd(zero_page, vmf->vma->vm_page_prot);
2932 pmd_entry = pmd_mkhuge(pmd_entry);
2933 set_pmd_at(vmf->vma->vm_mm, pmd_addr, vmf->pmd, pmd_entry);
2934 @@ -1438,6 +1451,8 @@ static vm_fault_t dax_pmd_load_hole(struct xa_state *xas, struct vm_fault *vmf,
2935 return VM_FAULT_NOPAGE;
2936
2937 fallback:
2938 + if (pgtable)
2939 + pte_free(vma->vm_mm, pgtable);
2940 trace_dax_pmd_load_hole_fallback(inode, vmf, zero_page, *entry);
2941 return VM_FAULT_FALLBACK;
2942 }
2943 diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
2944 index 85b0ef890b28..91bd2ff0c62c 100644
2945 --- a/fs/proc/task_mmu.c
2946 +++ b/fs/proc/task_mmu.c
2947 @@ -1141,6 +1141,24 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
2948 count = -EINTR;
2949 goto out_mm;
2950 }
2951 + /*
2952 + * Avoid to modify vma->vm_flags
2953 + * without locked ops while the
2954 + * coredump reads the vm_flags.
2955 + */
2956 + if (!mmget_still_valid(mm)) {
2957 + /*
2958 + * Silently return "count"
2959 + * like if get_task_mm()
2960 + * failed. FIXME: should this
2961 + * function have returned
2962 + * -ESRCH if get_task_mm()
2963 + * failed like if
2964 + * get_proc_task() fails?
2965 + */
2966 + up_write(&mm->mmap_sem);
2967 + goto out_mm;
2968 + }
2969 for (vma = mm->mmap; vma; vma = vma->vm_next) {
2970 vma->vm_flags &= ~VM_SOFTDIRTY;
2971 vma_set_page_prot(vma);
2972 diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
2973 index 89800fc7dc9d..f5de1e726356 100644
2974 --- a/fs/userfaultfd.c
2975 +++ b/fs/userfaultfd.c
2976 @@ -629,6 +629,8 @@ static void userfaultfd_event_wait_completion(struct userfaultfd_ctx *ctx,
2977
2978 /* the various vma->vm_userfaultfd_ctx still points to it */
2979 down_write(&mm->mmap_sem);
2980 + /* no task can run (and in turn coredump) yet */
2981 + VM_WARN_ON(!mmget_still_valid(mm));
2982 for (vma = mm->mmap; vma; vma = vma->vm_next)
2983 if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx) {
2984 vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
2985 @@ -883,6 +885,8 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
2986 * taking the mmap_sem for writing.
2987 */
2988 down_write(&mm->mmap_sem);
2989 + if (!mmget_still_valid(mm))
2990 + goto skip_mm;
2991 prev = NULL;
2992 for (vma = mm->mmap; vma; vma = vma->vm_next) {
2993 cond_resched();
2994 @@ -905,6 +909,7 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
2995 vma->vm_flags = new_flags;
2996 vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
2997 }
2998 +skip_mm:
2999 up_write(&mm->mmap_sem);
3000 mmput(mm);
3001 wakeup:
3002 @@ -1333,6 +1338,8 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
3003 goto out;
3004
3005 down_write(&mm->mmap_sem);
3006 + if (!mmget_still_valid(mm))
3007 + goto out_unlock;
3008 vma = find_vma_prev(mm, start, &prev);
3009 if (!vma)
3010 goto out_unlock;
3011 @@ -1520,6 +1527,8 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
3012 goto out;
3013
3014 down_write(&mm->mmap_sem);
3015 + if (!mmget_still_valid(mm))
3016 + goto out_unlock;
3017 vma = find_vma_prev(mm, start, &prev);
3018 if (!vma)
3019 goto out_unlock;
3020 diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
3021 index e07e91daaacc..72ff78c33033 100644
3022 --- a/include/linux/kprobes.h
3023 +++ b/include/linux/kprobes.h
3024 @@ -173,6 +173,7 @@ struct kretprobe_instance {
3025 struct kretprobe *rp;
3026 kprobe_opcode_t *ret_addr;
3027 struct task_struct *task;
3028 + void *fp;
3029 char data[0];
3030 };
3031
3032 diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
3033 index 848b54b7ec91..7df56decae37 100644
3034 --- a/include/linux/netdevice.h
3035 +++ b/include/linux/netdevice.h
3036 @@ -1484,6 +1484,7 @@ struct net_device_ops {
3037 * @IFF_FAILOVER: device is a failover master device
3038 * @IFF_FAILOVER_SLAVE: device is lower dev of a failover master device
3039 * @IFF_L3MDEV_RX_HANDLER: only invoke the rx handler of L3 master device
3040 + * @IFF_LIVE_RENAME_OK: rename is allowed while device is up and running
3041 */
3042 enum netdev_priv_flags {
3043 IFF_802_1Q_VLAN = 1<<0,
3044 @@ -1516,6 +1517,7 @@ enum netdev_priv_flags {
3045 IFF_FAILOVER = 1<<27,
3046 IFF_FAILOVER_SLAVE = 1<<28,
3047 IFF_L3MDEV_RX_HANDLER = 1<<29,
3048 + IFF_LIVE_RENAME_OK = 1<<30,
3049 };
3050
3051 #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
3052 @@ -1547,6 +1549,7 @@ enum netdev_priv_flags {
3053 #define IFF_FAILOVER IFF_FAILOVER
3054 #define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE
3055 #define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
3056 +#define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK
3057
3058 /**
3059 * struct net_device - The DEVICE structure.
3060 diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
3061 index 3bfa6a0cbba4..c1dbb737a36c 100644
3062 --- a/include/linux/sched/mm.h
3063 +++ b/include/linux/sched/mm.h
3064 @@ -49,6 +49,27 @@ static inline void mmdrop(struct mm_struct *mm)
3065 __mmdrop(mm);
3066 }
3067
3068 +/*
3069 + * This has to be called after a get_task_mm()/mmget_not_zero()
3070 + * followed by taking the mmap_sem for writing before modifying the
3071 + * vmas or anything the coredump pretends not to change from under it.
3072 + *
3073 + * NOTE: find_extend_vma() called from GUP context is the only place
3074 + * that can modify the "mm" (notably the vm_start/end) under mmap_sem
3075 + * for reading and outside the context of the process, so it is also
3076 + * the only case that holds the mmap_sem for reading that must call
3077 + * this function. Generally if the mmap_sem is hold for reading
3078 + * there's no need of this check after get_task_mm()/mmget_not_zero().
3079 + *
3080 + * This function can be obsoleted and the check can be removed, after
3081 + * the coredump code will hold the mmap_sem for writing before
3082 + * invoking the ->core_dump methods.
3083 + */
3084 +static inline bool mmget_still_valid(struct mm_struct *mm)
3085 +{
3086 + return likely(!mm->core_state);
3087 +}
3088 +
3089 /**
3090 * mmget() - Pin the address space associated with a &struct mm_struct.
3091 * @mm: The address space to pin.
3092 diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
3093 index 87499b6b35d6..df5c69db68af 100644
3094 --- a/include/net/nfc/nci_core.h
3095 +++ b/include/net/nfc/nci_core.h
3096 @@ -166,7 +166,7 @@ struct nci_conn_info {
3097 * According to specification 102 622 chapter 4.4 Pipes,
3098 * the pipe identifier is 7 bits long.
3099 */
3100 -#define NCI_HCI_MAX_PIPES 127
3101 +#define NCI_HCI_MAX_PIPES 128
3102
3103 struct nci_hci_gate {
3104 u8 gate;
3105 diff --git a/include/net/tls.h b/include/net/tls.h
3106 index 1486b60c4de8..8b3d10917d99 100644
3107 --- a/include/net/tls.h
3108 +++ b/include/net/tls.h
3109 @@ -289,6 +289,7 @@ int tls_device_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
3110 int tls_device_sendpage(struct sock *sk, struct page *page,
3111 int offset, size_t size, int flags);
3112 void tls_device_sk_destruct(struct sock *sk);
3113 +void tls_device_free_resources_tx(struct sock *sk);
3114 void tls_device_init(void);
3115 void tls_device_cleanup(void);
3116 int tls_tx_records(struct sock *sk, int flags);
3117 @@ -312,6 +313,7 @@ int tls_push_sg(struct sock *sk, struct tls_context *ctx,
3118 int flags);
3119 int tls_push_partial_record(struct sock *sk, struct tls_context *ctx,
3120 int flags);
3121 +bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx);
3122
3123 int tls_push_pending_closed_record(struct sock *sk, struct tls_context *ctx,
3124 int flags, long *timeo);
3125 @@ -364,7 +366,7 @@ tls_validate_xmit_skb(struct sock *sk, struct net_device *dev,
3126 static inline bool tls_is_sk_tx_device_offloaded(struct sock *sk)
3127 {
3128 #ifdef CONFIG_SOCK_VALIDATE_XMIT
3129 - return sk_fullsock(sk) &
3130 + return sk_fullsock(sk) &&
3131 (smp_load_acquire(&sk->sk_validate_xmit_skb) ==
3132 &tls_validate_xmit_skb);
3133 #else
3134 diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
3135 index 878c62ec0190..dbd7656b4f73 100644
3136 --- a/kernel/events/ring_buffer.c
3137 +++ b/kernel/events/ring_buffer.c
3138 @@ -456,24 +456,21 @@ void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size)
3139 rb->aux_head += size;
3140 }
3141
3142 - if (size || handle->aux_flags) {
3143 - /*
3144 - * Only send RECORD_AUX if we have something useful to communicate
3145 - *
3146 - * Note: the OVERWRITE records by themselves are not considered
3147 - * useful, as they don't communicate any *new* information,
3148 - * aside from the short-lived offset, that becomes history at
3149 - * the next event sched-in and therefore isn't useful.
3150 - * The userspace that needs to copy out AUX data in overwrite
3151 - * mode should know to use user_page::aux_head for the actual
3152 - * offset. So, from now on we don't output AUX records that
3153 - * have *only* OVERWRITE flag set.
3154 - */
3155 -
3156 - if (handle->aux_flags & ~(u64)PERF_AUX_FLAG_OVERWRITE)
3157 - perf_event_aux_event(handle->event, aux_head, size,
3158 - handle->aux_flags);
3159 - }
3160 + /*
3161 + * Only send RECORD_AUX if we have something useful to communicate
3162 + *
3163 + * Note: the OVERWRITE records by themselves are not considered
3164 + * useful, as they don't communicate any *new* information,
3165 + * aside from the short-lived offset, that becomes history at
3166 + * the next event sched-in and therefore isn't useful.
3167 + * The userspace that needs to copy out AUX data in overwrite
3168 + * mode should know to use user_page::aux_head for the actual
3169 + * offset. So, from now on we don't output AUX records that
3170 + * have *only* OVERWRITE flag set.
3171 + */
3172 + if (size || (handle->aux_flags & ~(u64)PERF_AUX_FLAG_OVERWRITE))
3173 + perf_event_aux_event(handle->event, aux_head, size,
3174 + handle->aux_flags);
3175
3176 rb->user_page->aux_head = rb->aux_head;
3177 if (rb_need_aux_wakeup(rb))
3178 diff --git a/kernel/kprobes.c b/kernel/kprobes.c
3179 index f4ddfdd2d07e..de78d1b998f8 100644
3180 --- a/kernel/kprobes.c
3181 +++ b/kernel/kprobes.c
3182 @@ -709,7 +709,6 @@ static void unoptimize_kprobe(struct kprobe *p, bool force)
3183 static int reuse_unused_kprobe(struct kprobe *ap)
3184 {
3185 struct optimized_kprobe *op;
3186 - int ret;
3187
3188 /*
3189 * Unused kprobe MUST be on the way of delayed unoptimizing (means
3190 @@ -720,9 +719,8 @@ static int reuse_unused_kprobe(struct kprobe *ap)
3191 /* Enable the probe again */
3192 ap->flags &= ~KPROBE_FLAG_DISABLED;
3193 /* Optimize it again (remove from op->list) */
3194 - ret = kprobe_optready(ap);
3195 - if (ret)
3196 - return ret;
3197 + if (!kprobe_optready(ap))
3198 + return -EINVAL;
3199
3200 optimize_kprobe(ap);
3201 return 0;
3202 diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
3203 index 5e61a1a99e38..eeb605656d59 100644
3204 --- a/kernel/sched/fair.c
3205 +++ b/kernel/sched/fair.c
3206 @@ -4859,12 +4859,15 @@ static enum hrtimer_restart sched_cfs_slack_timer(struct hrtimer *timer)
3207 return HRTIMER_NORESTART;
3208 }
3209
3210 +extern const u64 max_cfs_quota_period;
3211 +
3212 static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
3213 {
3214 struct cfs_bandwidth *cfs_b =
3215 container_of(timer, struct cfs_bandwidth, period_timer);
3216 int overrun;
3217 int idle = 0;
3218 + int count = 0;
3219
3220 raw_spin_lock(&cfs_b->lock);
3221 for (;;) {
3222 @@ -4872,6 +4875,28 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
3223 if (!overrun)
3224 break;
3225
3226 + if (++count > 3) {
3227 + u64 new, old = ktime_to_ns(cfs_b->period);
3228 +
3229 + new = (old * 147) / 128; /* ~115% */
3230 + new = min(new, max_cfs_quota_period);
3231 +
3232 + cfs_b->period = ns_to_ktime(new);
3233 +
3234 + /* since max is 1s, this is limited to 1e9^2, which fits in u64 */
3235 + cfs_b->quota *= new;
3236 + cfs_b->quota = div64_u64(cfs_b->quota, old);
3237 +
3238 + pr_warn_ratelimited(
3239 + "cfs_period_timer[cpu%d]: period too short, scaling up (new cfs_period_us %lld, cfs_quota_us = %lld)\n",
3240 + smp_processor_id(),
3241 + div_u64(new, NSEC_PER_USEC),
3242 + div_u64(cfs_b->quota, NSEC_PER_USEC));
3243 +
3244 + /* reset count so we don't come right back in here */
3245 + count = 0;
3246 + }
3247 +
3248 idle = do_sched_cfs_period_timer(cfs_b, overrun);
3249 }
3250 if (idle)
3251 diff --git a/kernel/sysctl.c b/kernel/sysctl.c
3252 index 28ec71d914c7..f50f1471c119 100644
3253 --- a/kernel/sysctl.c
3254 +++ b/kernel/sysctl.c
3255 @@ -126,6 +126,7 @@ static int zero;
3256 static int __maybe_unused one = 1;
3257 static int __maybe_unused two = 2;
3258 static int __maybe_unused four = 4;
3259 +static unsigned long zero_ul;
3260 static unsigned long one_ul = 1;
3261 static unsigned long long_max = LONG_MAX;
3262 static int one_hundred = 100;
3263 @@ -1723,7 +1724,7 @@ static struct ctl_table fs_table[] = {
3264 .maxlen = sizeof(files_stat.max_files),
3265 .mode = 0644,
3266 .proc_handler = proc_doulongvec_minmax,
3267 - .extra1 = &zero,
3268 + .extra1 = &zero_ul,
3269 .extra2 = &long_max,
3270 },
3271 {
3272 diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
3273 index 094b82ca95e5..930113b9799a 100644
3274 --- a/kernel/time/sched_clock.c
3275 +++ b/kernel/time/sched_clock.c
3276 @@ -272,7 +272,7 @@ static u64 notrace suspended_sched_clock_read(void)
3277 return cd.read_data[seq & 1].epoch_cyc;
3278 }
3279
3280 -static int sched_clock_suspend(void)
3281 +int sched_clock_suspend(void)
3282 {
3283 struct clock_read_data *rd = &cd.read_data[0];
3284
3285 @@ -283,7 +283,7 @@ static int sched_clock_suspend(void)
3286 return 0;
3287 }
3288
3289 -static void sched_clock_resume(void)
3290 +void sched_clock_resume(void)
3291 {
3292 struct clock_read_data *rd = &cd.read_data[0];
3293
3294 diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
3295 index 529143b4c8d2..df401463a191 100644
3296 --- a/kernel/time/tick-common.c
3297 +++ b/kernel/time/tick-common.c
3298 @@ -487,6 +487,7 @@ void tick_freeze(void)
3299 trace_suspend_resume(TPS("timekeeping_freeze"),
3300 smp_processor_id(), true);
3301 system_state = SYSTEM_SUSPEND;
3302 + sched_clock_suspend();
3303 timekeeping_suspend();
3304 } else {
3305 tick_suspend_local();
3306 @@ -510,6 +511,7 @@ void tick_unfreeze(void)
3307
3308 if (tick_freeze_depth == num_online_cpus()) {
3309 timekeeping_resume();
3310 + sched_clock_resume();
3311 system_state = SYSTEM_RUNNING;
3312 trace_suspend_resume(TPS("timekeeping_freeze"),
3313 smp_processor_id(), false);
3314 diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h
3315 index 7a9b4eb7a1d5..141ab3ab0354 100644
3316 --- a/kernel/time/timekeeping.h
3317 +++ b/kernel/time/timekeeping.h
3318 @@ -14,6 +14,13 @@ extern u64 timekeeping_max_deferment(void);
3319 extern void timekeeping_warp_clock(void);
3320 extern int timekeeping_suspend(void);
3321 extern void timekeeping_resume(void);
3322 +#ifdef CONFIG_GENERIC_SCHED_CLOCK
3323 +extern int sched_clock_suspend(void);
3324 +extern void sched_clock_resume(void);
3325 +#else
3326 +static inline int sched_clock_suspend(void) { return 0; }
3327 +static inline void sched_clock_resume(void) { }
3328 +#endif
3329
3330 extern void do_timer(unsigned long ticks);
3331 extern void update_wall_time(void);
3332 diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
3333 index aac7847c0214..f546ae5102e0 100644
3334 --- a/kernel/trace/ftrace.c
3335 +++ b/kernel/trace/ftrace.c
3336 @@ -33,6 +33,7 @@
3337 #include <linux/list.h>
3338 #include <linux/hash.h>
3339 #include <linux/rcupdate.h>
3340 +#include <linux/kprobes.h>
3341
3342 #include <trace/events/sched.h>
3343
3344 @@ -6216,7 +6217,7 @@ void ftrace_reset_array_ops(struct trace_array *tr)
3345 tr->ops->func = ftrace_stub;
3346 }
3347
3348 -static inline void
3349 +static nokprobe_inline void
3350 __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
3351 struct ftrace_ops *ignored, struct pt_regs *regs)
3352 {
3353 @@ -6276,11 +6277,13 @@ static void ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
3354 {
3355 __ftrace_ops_list_func(ip, parent_ip, NULL, regs);
3356 }
3357 +NOKPROBE_SYMBOL(ftrace_ops_list_func);
3358 #else
3359 static void ftrace_ops_no_ops(unsigned long ip, unsigned long parent_ip)
3360 {
3361 __ftrace_ops_list_func(ip, parent_ip, NULL, NULL);
3362 }
3363 +NOKPROBE_SYMBOL(ftrace_ops_no_ops);
3364 #endif
3365
3366 /*
3367 @@ -6307,6 +6310,7 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,
3368 preempt_enable_notrace();
3369 trace_clear_recursion(bit);
3370 }
3371 +NOKPROBE_SYMBOL(ftrace_ops_assist_func);
3372
3373 /**
3374 * ftrace_ops_get_func - get the function a trampoline should call
3375 diff --git a/mm/mmap.c b/mm/mmap.c
3376 index fc1809b1bed6..da9236a5022e 100644
3377 --- a/mm/mmap.c
3378 +++ b/mm/mmap.c
3379 @@ -45,6 +45,7 @@
3380 #include <linux/moduleparam.h>
3381 #include <linux/pkeys.h>
3382 #include <linux/oom.h>
3383 +#include <linux/sched/mm.h>
3384
3385 #include <linux/uaccess.h>
3386 #include <asm/cacheflush.h>
3387 @@ -2526,7 +2527,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
3388 vma = find_vma_prev(mm, addr, &prev);
3389 if (vma && (vma->vm_start <= addr))
3390 return vma;
3391 - if (!prev || expand_stack(prev, addr))
3392 + /* don't alter vm_end if the coredump is running */
3393 + if (!prev || !mmget_still_valid(mm) || expand_stack(prev, addr))
3394 return NULL;
3395 if (prev->vm_flags & VM_LOCKED)
3396 populate_vma_page_range(prev, addr, prev->vm_end, NULL);
3397 @@ -2552,6 +2554,9 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
3398 return vma;
3399 if (!(vma->vm_flags & VM_GROWSDOWN))
3400 return NULL;
3401 + /* don't alter vm_start if the coredump is running */
3402 + if (!mmget_still_valid(mm))
3403 + return NULL;
3404 start = vma->vm_start;
3405 if (expand_stack(vma, addr))
3406 return NULL;
3407 diff --git a/mm/percpu.c b/mm/percpu.c
3408 index db86282fd024..59bd6a51954c 100644
3409 --- a/mm/percpu.c
3410 +++ b/mm/percpu.c
3411 @@ -2531,8 +2531,8 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
3412 ai->groups[group].base_offset = areas[group] - base;
3413 }
3414
3415 - pr_info("Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu\n",
3416 - PFN_DOWN(size_sum), base, ai->static_size, ai->reserved_size,
3417 + pr_info("Embedded %zu pages/cpu s%zu r%zu d%zu u%zu\n",
3418 + PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,
3419 ai->dyn_size, ai->unit_size);
3420
3421 rc = pcpu_setup_first_chunk(ai, base);
3422 @@ -2653,8 +2653,8 @@ int __init pcpu_page_first_chunk(size_t reserved_size,
3423 }
3424
3425 /* we're ready, commit */
3426 - pr_info("%d %s pages/cpu @%p s%zu r%zu d%zu\n",
3427 - unit_pages, psize_str, vm.addr, ai->static_size,
3428 + pr_info("%d %s pages/cpu s%zu r%zu d%zu\n",
3429 + unit_pages, psize_str, ai->static_size,
3430 ai->reserved_size, ai->dyn_size);
3431
3432 rc = pcpu_setup_first_chunk(ai, vm.addr);
3433 diff --git a/mm/vmstat.c b/mm/vmstat.c
3434 index 83b30edc2f7f..f807f2e3b4cb 100644
3435 --- a/mm/vmstat.c
3436 +++ b/mm/vmstat.c
3437 @@ -1274,13 +1274,8 @@ const char * const vmstat_text[] = {
3438 #endif
3439 #endif /* CONFIG_MEMORY_BALLOON */
3440 #ifdef CONFIG_DEBUG_TLBFLUSH
3441 -#ifdef CONFIG_SMP
3442 "nr_tlb_remote_flush",
3443 "nr_tlb_remote_flush_received",
3444 -#else
3445 - "", /* nr_tlb_remote_flush */
3446 - "", /* nr_tlb_remote_flush_received */
3447 -#endif /* CONFIG_SMP */
3448 "nr_tlb_local_flush_all",
3449 "nr_tlb_local_flush_one",
3450 #endif /* CONFIG_DEBUG_TLBFLUSH */
3451 diff --git a/net/atm/lec.c b/net/atm/lec.c
3452 index d7f5cf5b7594..ad4f829193f0 100644
3453 --- a/net/atm/lec.c
3454 +++ b/net/atm/lec.c
3455 @@ -710,7 +710,10 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
3456
3457 static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
3458 {
3459 - if (arg < 0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
3460 + if (arg < 0 || arg >= MAX_LEC_ITF)
3461 + return -EINVAL;
3462 + arg = array_index_nospec(arg, MAX_LEC_ITF);
3463 + if (!dev_lec[arg])
3464 return -EINVAL;
3465 vcc->proto_data = dev_lec[arg];
3466 return lec_mcast_make(netdev_priv(dev_lec[arg]), vcc);
3467 @@ -728,6 +731,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
3468 i = arg;
3469 if (arg >= MAX_LEC_ITF)
3470 return -EINVAL;
3471 + i = array_index_nospec(arg, MAX_LEC_ITF);
3472 if (!dev_lec[i]) {
3473 int size;
3474
3475 diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
3476 index 5ea7e56119c1..ba303ee99b9b 100644
3477 --- a/net/bridge/br_input.c
3478 +++ b/net/bridge/br_input.c
3479 @@ -197,13 +197,10 @@ static void __br_handle_local_finish(struct sk_buff *skb)
3480 /* note: already called with rcu_read_lock */
3481 static int br_handle_local_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
3482 {
3483 - struct net_bridge_port *p = br_port_get_rcu(skb->dev);
3484 -
3485 __br_handle_local_finish(skb);
3486
3487 - BR_INPUT_SKB_CB(skb)->brdev = p->br->dev;
3488 - br_pass_frame_up(skb);
3489 - return 0;
3490 + /* return 1 to signal the okfn() was called so it's ok to use the skb */
3491 + return 1;
3492 }
3493
3494 /*
3495 @@ -280,10 +277,18 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
3496 goto forward;
3497 }
3498
3499 - /* Deliver packet to local host only */
3500 - NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, dev_net(skb->dev),
3501 - NULL, skb, skb->dev, NULL, br_handle_local_finish);
3502 - return RX_HANDLER_CONSUMED;
3503 + /* The else clause should be hit when nf_hook():
3504 + * - returns < 0 (drop/error)
3505 + * - returns = 0 (stolen/nf_queue)
3506 + * Thus return 1 from the okfn() to signal the skb is ok to pass
3507 + */
3508 + if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN,
3509 + dev_net(skb->dev), NULL, skb, skb->dev, NULL,
3510 + br_handle_local_finish) == 1) {
3511 + return RX_HANDLER_PASS;
3512 + } else {
3513 + return RX_HANDLER_CONSUMED;
3514 + }
3515 }
3516
3517 forward:
3518 diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
3519 index e4777614a8a0..61ff0d497da6 100644
3520 --- a/net/bridge/br_multicast.c
3521 +++ b/net/bridge/br_multicast.c
3522 @@ -1916,7 +1916,8 @@ static void br_multicast_start_querier(struct net_bridge *br,
3523
3524 __br_multicast_open(br, query);
3525
3526 - list_for_each_entry(port, &br->port_list, list) {
3527 + rcu_read_lock();
3528 + list_for_each_entry_rcu(port, &br->port_list, list) {
3529 if (port->state == BR_STATE_DISABLED ||
3530 port->state == BR_STATE_BLOCKING)
3531 continue;
3532 @@ -1928,6 +1929,7 @@ static void br_multicast_start_querier(struct net_bridge *br,
3533 br_multicast_enable(&port->ip6_own_query);
3534 #endif
3535 }
3536 + rcu_read_unlock();
3537 }
3538
3539 int br_multicast_toggle(struct net_bridge *br, unsigned long val)
3540 diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
3541 index 9c07591b0232..7104cf13da84 100644
3542 --- a/net/bridge/br_netlink.c
3543 +++ b/net/bridge/br_netlink.c
3544 @@ -1441,7 +1441,7 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
3545 nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED,
3546 br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) ||
3547 nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT,
3548 - br_opt_get(br, IFLA_BR_VLAN_STATS_PER_PORT)))
3549 + br_opt_get(br, BROPT_VLAN_STATS_PER_PORT)))
3550 return -EMSGSIZE;
3551 #endif
3552 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
3553 diff --git a/net/core/dev.c b/net/core/dev.c
3554 index 12824e007e06..7277dd393c00 100644
3555 --- a/net/core/dev.c
3556 +++ b/net/core/dev.c
3557 @@ -1184,7 +1184,21 @@ int dev_change_name(struct net_device *dev, const char *newname)
3558 BUG_ON(!dev_net(dev));
3559
3560 net = dev_net(dev);
3561 - if (dev->flags & IFF_UP)
3562 +
3563 + /* Some auto-enslaved devices e.g. failover slaves are
3564 + * special, as userspace might rename the device after
3565 + * the interface had been brought up and running since
3566 + * the point kernel initiated auto-enslavement. Allow
3567 + * live name change even when these slave devices are
3568 + * up and running.
3569 + *
3570 + * Typically, users of these auto-enslaving devices
3571 + * don't actually care about slave name change, as
3572 + * they are supposed to operate on master interface
3573 + * directly.
3574 + */
3575 + if (dev->flags & IFF_UP &&
3576 + likely(!(dev->priv_flags & IFF_LIVE_RENAME_OK)))
3577 return -EBUSY;
3578
3579 write_seqcount_begin(&devnet_rename_seq);
3580 diff --git a/net/core/failover.c b/net/core/failover.c
3581 index 4a92a98ccce9..b5cd3c727285 100644
3582 --- a/net/core/failover.c
3583 +++ b/net/core/failover.c
3584 @@ -80,14 +80,14 @@ static int failover_slave_register(struct net_device *slave_dev)
3585 goto err_upper_link;
3586 }
3587
3588 - slave_dev->priv_flags |= IFF_FAILOVER_SLAVE;
3589 + slave_dev->priv_flags |= (IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
3590
3591 if (fops && fops->slave_register &&
3592 !fops->slave_register(slave_dev, failover_dev))
3593 return NOTIFY_OK;
3594
3595 netdev_upper_dev_unlink(slave_dev, failover_dev);
3596 - slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
3597 + slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
3598 err_upper_link:
3599 netdev_rx_handler_unregister(slave_dev);
3600 done:
3601 @@ -121,7 +121,7 @@ int failover_slave_unregister(struct net_device *slave_dev)
3602
3603 netdev_rx_handler_unregister(slave_dev);
3604 netdev_upper_dev_unlink(slave_dev, failover_dev);
3605 - slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
3606 + slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
3607
3608 if (fops && fops->slave_unregister &&
3609 !fops->slave_unregister(slave_dev, failover_dev))
3610 diff --git a/net/core/skbuff.c b/net/core/skbuff.c
3611 index ef2cd5712098..40796b8bf820 100644
3612 --- a/net/core/skbuff.c
3613 +++ b/net/core/skbuff.c
3614 @@ -5083,7 +5083,8 @@ EXPORT_SYMBOL_GPL(skb_gso_validate_mac_len);
3615
3616 static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
3617 {
3618 - int mac_len;
3619 + int mac_len, meta_len;
3620 + void *meta;
3621
3622 if (skb_cow(skb, skb_headroom(skb)) < 0) {
3623 kfree_skb(skb);
3624 @@ -5095,6 +5096,13 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
3625 memmove(skb_mac_header(skb) + VLAN_HLEN, skb_mac_header(skb),
3626 mac_len - VLAN_HLEN - ETH_TLEN);
3627 }
3628 +
3629 + meta_len = skb_metadata_len(skb);
3630 + if (meta_len) {
3631 + meta = skb_metadata_end(skb) - meta_len;
3632 + memmove(meta + VLAN_HLEN, meta, meta_len);
3633 + }
3634 +
3635 skb->mac_header += VLAN_HLEN;
3636 return skb;
3637 }
3638 diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
3639 index 79e98e21cdd7..12ce6c526d72 100644
3640 --- a/net/ipv4/fou.c
3641 +++ b/net/ipv4/fou.c
3642 @@ -121,6 +121,7 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
3643 struct guehdr *guehdr;
3644 void *data;
3645 u16 doffset = 0;
3646 + u8 proto_ctype;
3647
3648 if (!fou)
3649 return 1;
3650 @@ -212,13 +213,14 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
3651 if (unlikely(guehdr->control))
3652 return gue_control_message(skb, guehdr);
3653
3654 + proto_ctype = guehdr->proto_ctype;
3655 __skb_pull(skb, sizeof(struct udphdr) + hdrlen);
3656 skb_reset_transport_header(skb);
3657
3658 if (iptunnel_pull_offloads(skb))
3659 goto drop;
3660
3661 - return -guehdr->proto_ctype;
3662 + return -proto_ctype;
3663
3664 drop:
3665 kfree_skb(skb);
3666 diff --git a/net/ipv4/route.c b/net/ipv4/route.c
3667 index e04cdb58a602..25d9bef27d03 100644
3668 --- a/net/ipv4/route.c
3669 +++ b/net/ipv4/route.c
3670 @@ -1185,9 +1185,23 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
3671
3672 static void ipv4_link_failure(struct sk_buff *skb)
3673 {
3674 + struct ip_options opt;
3675 struct rtable *rt;
3676 + int res;
3677
3678 - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
3679 + /* Recompile ip options since IPCB may not be valid anymore.
3680 + */
3681 + memset(&opt, 0, sizeof(opt));
3682 + opt.optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);
3683 +
3684 + rcu_read_lock();
3685 + res = __ip_options_compile(dev_net(skb->dev), &opt, skb, NULL);
3686 + rcu_read_unlock();
3687 +
3688 + if (res)
3689 + return;
3690 +
3691 + __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0, &opt);
3692
3693 rt = skb_rtable(skb);
3694 if (rt)
3695 diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
3696 index 7b1ef897b398..95b2e31fff08 100644
3697 --- a/net/ipv4/tcp_input.c
3698 +++ b/net/ipv4/tcp_input.c
3699 @@ -402,11 +402,12 @@ static int __tcp_grow_window(const struct sock *sk, const struct sk_buff *skb)
3700 static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
3701 {
3702 struct tcp_sock *tp = tcp_sk(sk);
3703 + int room;
3704 +
3705 + room = min_t(int, tp->window_clamp, tcp_space(sk)) - tp->rcv_ssthresh;
3706
3707 /* Check #1 */
3708 - if (tp->rcv_ssthresh < tp->window_clamp &&
3709 - (int)tp->rcv_ssthresh < tcp_space(sk) &&
3710 - !tcp_under_memory_pressure(sk)) {
3711 + if (room > 0 && !tcp_under_memory_pressure(sk)) {
3712 int incr;
3713
3714 /* Check #2. Increase window, if skb with such overhead
3715 @@ -419,8 +420,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
3716
3717 if (incr) {
3718 incr = max_t(int, incr, 2 * skb->len);
3719 - tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
3720 - tp->window_clamp);
3721 + tp->rcv_ssthresh += min(room, incr);
3722 inet_csk(sk)->icsk_ack.quick |= 1;
3723 }
3724 }
3725 diff --git a/net/ipv6/route.c b/net/ipv6/route.c
3726 index 0086acc16f3c..b6a97115a906 100644
3727 --- a/net/ipv6/route.c
3728 +++ b/net/ipv6/route.c
3729 @@ -2336,6 +2336,10 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
3730
3731 rcu_read_lock();
3732 from = rcu_dereference(rt6->from);
3733 + if (!from) {
3734 + rcu_read_unlock();
3735 + return;
3736 + }
3737 nrt6 = ip6_rt_cache_alloc(from, daddr, saddr);
3738 if (nrt6) {
3739 rt6_do_update_pmtu(nrt6, mtu);
3740 diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
3741 index 3e0d5922a440..a9c1d6e3cdae 100644
3742 --- a/net/mac80211/driver-ops.h
3743 +++ b/net/mac80211/driver-ops.h
3744 @@ -1166,6 +1166,9 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local,
3745 {
3746 struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
3747
3748 + if (local->in_reconfig)
3749 + return;
3750 +
3751 if (!check_sdata_in_driver(sdata))
3752 return;
3753
3754 diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
3755 index ddfc52ac1f9b..c0d323b58e73 100644
3756 --- a/net/nfc/nci/hci.c
3757 +++ b/net/nfc/nci/hci.c
3758 @@ -312,6 +312,10 @@ static void nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe,
3759 create_info = (struct nci_hci_create_pipe_resp *)skb->data;
3760 dest_gate = create_info->dest_gate;
3761 new_pipe = create_info->pipe;
3762 + if (new_pipe >= NCI_HCI_MAX_PIPES) {
3763 + status = NCI_HCI_ANY_E_NOK;
3764 + goto exit;
3765 + }
3766
3767 /* Save the new created pipe and bind with local gate,
3768 * the description for skb->data[3] is destination gate id
3769 @@ -336,6 +340,10 @@ static void nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe,
3770 goto exit;
3771 }
3772 delete_info = (struct nci_hci_delete_pipe_noti *)skb->data;
3773 + if (delete_info->pipe >= NCI_HCI_MAX_PIPES) {
3774 + status = NCI_HCI_ANY_E_NOK;
3775 + goto exit;
3776 + }
3777
3778 ndev->hci_dev->pipes[delete_info->pipe].gate =
3779 NCI_HCI_INVALID_GATE;
3780 diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
3781 index 73940293700d..7b5ce1343474 100644
3782 --- a/net/sched/sch_cake.c
3783 +++ b/net/sched/sch_cake.c
3784 @@ -1508,32 +1508,29 @@ static unsigned int cake_drop(struct Qdisc *sch, struct sk_buff **to_free)
3785 return idx + (tin << 16);
3786 }
3787
3788 -static void cake_wash_diffserv(struct sk_buff *skb)
3789 -{
3790 - switch (skb->protocol) {
3791 - case htons(ETH_P_IP):
3792 - ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, 0);
3793 - break;
3794 - case htons(ETH_P_IPV6):
3795 - ipv6_change_dsfield(ipv6_hdr(skb), INET_ECN_MASK, 0);
3796 - break;
3797 - default:
3798 - break;
3799 - }
3800 -}
3801 -
3802 static u8 cake_handle_diffserv(struct sk_buff *skb, u16 wash)
3803 {
3804 + int wlen = skb_network_offset(skb);
3805 u8 dscp;
3806
3807 - switch (skb->protocol) {
3808 + switch (tc_skb_protocol(skb)) {
3809 case htons(ETH_P_IP):
3810 + wlen += sizeof(struct iphdr);
3811 + if (!pskb_may_pull(skb, wlen) ||
3812 + skb_try_make_writable(skb, wlen))
3813 + return 0;
3814 +
3815 dscp = ipv4_get_dsfield(ip_hdr(skb)) >> 2;
3816 if (wash && dscp)
3817 ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, 0);
3818 return dscp;
3819
3820 case htons(ETH_P_IPV6):
3821 + wlen += sizeof(struct ipv6hdr);
3822 + if (!pskb_may_pull(skb, wlen) ||
3823 + skb_try_make_writable(skb, wlen))
3824 + return 0;
3825 +
3826 dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2;
3827 if (wash && dscp)
3828 ipv6_change_dsfield(ipv6_hdr(skb), INET_ECN_MASK, 0);
3829 @@ -1553,25 +1550,27 @@ static struct cake_tin_data *cake_select_tin(struct Qdisc *sch,
3830 {
3831 struct cake_sched_data *q = qdisc_priv(sch);
3832 u32 tin;
3833 + u8 dscp;
3834 +
3835 + /* Tin selection: Default to diffserv-based selection, allow overriding
3836 + * using firewall marks or skb->priority.
3837 + */
3838 + dscp = cake_handle_diffserv(skb,
3839 + q->rate_flags & CAKE_FLAG_WASH);
3840
3841 - if (TC_H_MAJ(skb->priority) == sch->handle &&
3842 - TC_H_MIN(skb->priority) > 0 &&
3843 - TC_H_MIN(skb->priority) <= q->tin_cnt) {
3844 + if (q->tin_mode == CAKE_DIFFSERV_BESTEFFORT)
3845 + tin = 0;
3846 +
3847 + else if (TC_H_MAJ(skb->priority) == sch->handle &&
3848 + TC_H_MIN(skb->priority) > 0 &&
3849 + TC_H_MIN(skb->priority) <= q->tin_cnt)
3850 tin = q->tin_order[TC_H_MIN(skb->priority) - 1];
3851
3852 - if (q->rate_flags & CAKE_FLAG_WASH)
3853 - cake_wash_diffserv(skb);
3854 - } else if (q->tin_mode != CAKE_DIFFSERV_BESTEFFORT) {
3855 - /* extract the Diffserv Precedence field, if it exists */
3856 - /* and clear DSCP bits if washing */
3857 - tin = q->tin_index[cake_handle_diffserv(skb,
3858 - q->rate_flags & CAKE_FLAG_WASH)];
3859 + else {
3860 + tin = q->tin_index[dscp];
3861 +
3862 if (unlikely(tin >= q->tin_cnt))
3863 tin = 0;
3864 - } else {
3865 - tin = 0;
3866 - if (q->rate_flags & CAKE_FLAG_WASH)
3867 - cake_wash_diffserv(skb);
3868 }
3869
3870 return &q->tins[tin];
3871 diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c
3872 index da1a676860ca..0f4e42792878 100644
3873 --- a/net/strparser/strparser.c
3874 +++ b/net/strparser/strparser.c
3875 @@ -140,13 +140,11 @@ static int __strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb,
3876 /* We are going to append to the frags_list of head.
3877 * Need to unshare the frag_list.
3878 */
3879 - if (skb_has_frag_list(head)) {
3880 - err = skb_unclone(head, GFP_ATOMIC);
3881 - if (err) {
3882 - STRP_STATS_INCR(strp->stats.mem_fail);
3883 - desc->error = err;
3884 - return 0;
3885 - }
3886 + err = skb_unclone(head, GFP_ATOMIC);
3887 + if (err) {
3888 + STRP_STATS_INCR(strp->stats.mem_fail);
3889 + desc->error = err;
3890 + return 0;
3891 }
3892
3893 if (unlikely(skb_shinfo(head)->frag_list)) {
3894 diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
3895 index bff241f03525..89993afe0fbd 100644
3896 --- a/net/tipc/name_table.c
3897 +++ b/net/tipc/name_table.c
3898 @@ -909,7 +909,8 @@ static int tipc_nl_service_list(struct net *net, struct tipc_nl_msg *msg,
3899 for (; i < TIPC_NAMETBL_SIZE; i++) {
3900 head = &tn->nametbl->services[i];
3901
3902 - if (*last_type) {
3903 + if (*last_type ||
3904 + (!i && *last_key && (*last_lower == *last_key))) {
3905 service = tipc_service_find(net, *last_type);
3906 if (!service)
3907 return -EPIPE;
3908 diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
3909 index d753e362d2d9..4b5ff3d44912 100644
3910 --- a/net/tls/tls_device.c
3911 +++ b/net/tls/tls_device.c
3912 @@ -52,8 +52,11 @@ static DEFINE_SPINLOCK(tls_device_lock);
3913
3914 static void tls_device_free_ctx(struct tls_context *ctx)
3915 {
3916 - if (ctx->tx_conf == TLS_HW)
3917 + if (ctx->tx_conf == TLS_HW) {
3918 kfree(tls_offload_ctx_tx(ctx));
3919 + kfree(ctx->tx.rec_seq);
3920 + kfree(ctx->tx.iv);
3921 + }
3922
3923 if (ctx->rx_conf == TLS_HW)
3924 kfree(tls_offload_ctx_rx(ctx));
3925 @@ -216,6 +219,13 @@ void tls_device_sk_destruct(struct sock *sk)
3926 }
3927 EXPORT_SYMBOL(tls_device_sk_destruct);
3928
3929 +void tls_device_free_resources_tx(struct sock *sk)
3930 +{
3931 + struct tls_context *tls_ctx = tls_get_ctx(sk);
3932 +
3933 + tls_free_partial_record(sk, tls_ctx);
3934 +}
3935 +
3936 static void tls_append_frag(struct tls_record_info *record,
3937 struct page_frag *pfrag,
3938 int size)
3939 diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
3940 index 78cb4a584080..96dbac91ac6e 100644
3941 --- a/net/tls/tls_main.c
3942 +++ b/net/tls/tls_main.c
3943 @@ -220,6 +220,26 @@ int tls_push_pending_closed_record(struct sock *sk,
3944 return tls_ctx->push_pending_record(sk, flags);
3945 }
3946
3947 +bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx)
3948 +{
3949 + struct scatterlist *sg;
3950 +
3951 + sg = ctx->partially_sent_record;
3952 + if (!sg)
3953 + return false;
3954 +
3955 + while (1) {
3956 + put_page(sg_page(sg));
3957 + sk_mem_uncharge(sk, sg->length);
3958 +
3959 + if (sg_is_last(sg))
3960 + break;
3961 + sg++;
3962 + }
3963 + ctx->partially_sent_record = NULL;
3964 + return true;
3965 +}
3966 +
3967 static void tls_write_space(struct sock *sk)
3968 {
3969 struct tls_context *ctx = tls_get_ctx(sk);
3970 @@ -278,6 +298,10 @@ static void tls_sk_proto_close(struct sock *sk, long timeout)
3971 kfree(ctx->tx.rec_seq);
3972 kfree(ctx->tx.iv);
3973 tls_sw_free_resources_tx(sk);
3974 +#ifdef CONFIG_TLS_DEVICE
3975 + } else if (ctx->tx_conf == TLS_HW) {
3976 + tls_device_free_resources_tx(sk);
3977 +#endif
3978 }
3979
3980 if (ctx->rx_conf == TLS_SW) {
3981 diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
3982 index bf5b54b513bc..d2d4f7c0d4be 100644
3983 --- a/net/tls/tls_sw.c
3984 +++ b/net/tls/tls_sw.c
3985 @@ -1804,20 +1804,7 @@ void tls_sw_free_resources_tx(struct sock *sk)
3986 /* Free up un-sent records in tx_list. First, free
3987 * the partially sent record if any at head of tx_list.
3988 */
3989 - if (tls_ctx->partially_sent_record) {
3990 - struct scatterlist *sg = tls_ctx->partially_sent_record;
3991 -
3992 - while (1) {
3993 - put_page(sg_page(sg));
3994 - sk_mem_uncharge(sk, sg->length);
3995 -
3996 - if (sg_is_last(sg))
3997 - break;
3998 - sg++;
3999 - }
4000 -
4001 - tls_ctx->partially_sent_record = NULL;
4002 -
4003 + if (tls_free_partial_record(sk, tls_ctx)) {
4004 rec = list_first_entry(&ctx->tx_list,
4005 struct tls_rec, list);
4006 list_del(&rec->list);
4007 diff --git a/security/device_cgroup.c b/security/device_cgroup.c
4008 index cd97929fac66..dc28914fa72e 100644
4009 --- a/security/device_cgroup.c
4010 +++ b/security/device_cgroup.c
4011 @@ -560,7 +560,7 @@ static int propagate_exception(struct dev_cgroup *devcg_root,
4012 devcg->behavior == DEVCG_DEFAULT_ALLOW) {
4013 rc = dev_exception_add(devcg, ex);
4014 if (rc)
4015 - break;
4016 + return rc;
4017 } else {
4018 /*
4019 * in the other possible cases:
4020 diff --git a/sound/core/info.c b/sound/core/info.c
4021 index fe502bc5e6d2..679136fba730 100644
4022 --- a/sound/core/info.c
4023 +++ b/sound/core/info.c
4024 @@ -722,8 +722,11 @@ snd_info_create_entry(const char *name, struct snd_info_entry *parent)
4025 INIT_LIST_HEAD(&entry->children);
4026 INIT_LIST_HEAD(&entry->list);
4027 entry->parent = parent;
4028 - if (parent)
4029 + if (parent) {
4030 + mutex_lock(&parent->access);
4031 list_add_tail(&entry->list, &parent->children);
4032 + mutex_unlock(&parent->access);
4033 + }
4034 return entry;
4035 }
4036
4037 @@ -805,7 +808,12 @@ void snd_info_free_entry(struct snd_info_entry * entry)
4038 list_for_each_entry_safe(p, n, &entry->children, list)
4039 snd_info_free_entry(p);
4040
4041 - list_del(&entry->list);
4042 + p = entry->parent;
4043 + if (p) {
4044 + mutex_lock(&p->access);
4045 + list_del(&entry->list);
4046 + mutex_unlock(&p->access);
4047 + }
4048 kfree(entry->name);
4049 if (entry->private_free)
4050 entry->private_free(entry);
4051 diff --git a/sound/core/init.c b/sound/core/init.c
4052 index 4849c611c0fe..16b7cc7aa66b 100644
4053 --- a/sound/core/init.c
4054 +++ b/sound/core/init.c
4055 @@ -407,14 +407,7 @@ int snd_card_disconnect(struct snd_card *card)
4056 card->shutdown = 1;
4057 spin_unlock(&card->files_lock);
4058
4059 - /* phase 1: disable fops (user space) operations for ALSA API */
4060 - mutex_lock(&snd_card_mutex);
4061 - snd_cards[card->number] = NULL;
4062 - clear_bit(card->number, snd_cards_lock);
4063 - mutex_unlock(&snd_card_mutex);
4064 -
4065 - /* phase 2: replace file->f_op with special dummy operations */
4066 -
4067 + /* replace file->f_op with special dummy operations */
4068 spin_lock(&card->files_lock);
4069 list_for_each_entry(mfile, &card->files_list, list) {
4070 /* it's critical part, use endless loop */
4071 @@ -430,7 +423,7 @@ int snd_card_disconnect(struct snd_card *card)
4072 }
4073 spin_unlock(&card->files_lock);
4074
4075 - /* phase 3: notify all connected devices about disconnection */
4076 + /* notify all connected devices about disconnection */
4077 /* at this point, they cannot respond to any calls except release() */
4078
4079 #if IS_ENABLED(CONFIG_SND_MIXER_OSS)
4080 @@ -446,6 +439,13 @@ int snd_card_disconnect(struct snd_card *card)
4081 device_del(&card->card_dev);
4082 card->registered = false;
4083 }
4084 +
4085 + /* disable fops (user space) operations for ALSA API */
4086 + mutex_lock(&snd_card_mutex);
4087 + snd_cards[card->number] = NULL;
4088 + clear_bit(card->number, snd_cards_lock);
4089 + mutex_unlock(&snd_card_mutex);
4090 +
4091 #ifdef CONFIG_PM
4092 wake_up(&card->power_sleep);
4093 #endif
4094 diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
4095 index 84fae0df59e9..f061167062bc 100644
4096 --- a/sound/pci/hda/patch_realtek.c
4097 +++ b/sound/pci/hda/patch_realtek.c
4098 @@ -7247,6 +7247,8 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
4099 {0x12, 0x90a60140},
4100 {0x14, 0x90170150},
4101 {0x21, 0x02211020}),
4102 + SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
4103 + {0x21, 0x02211020}),
4104 SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE,
4105 {0x14, 0x90170110},
4106 {0x21, 0x02211020}),
4107 @@ -7357,6 +7359,10 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
4108 {0x21, 0x0221101f}),
4109 SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
4110 ALC256_STANDARD_PINS),
4111 + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
4112 + {0x14, 0x90170110},
4113 + {0x1b, 0x01011020},
4114 + {0x21, 0x0221101f}),
4115 SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC,
4116 {0x14, 0x90170110},
4117 {0x1b, 0x90a70130},