Magellan Linux

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

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Revision 3338 - (hide annotations) (download)
Thu May 2 14:04:40 2019 UTC (5 years ago) by niro
File size: 137119 byte(s)
-linux-5.0.10
1 niro 3338 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},