Contents of /trunk/kernel-alx/patches-4.14/0175-4.14.76-all-fixes.patch
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Fri Nov 9 12:14:58 2018 UTC (5 years, 10 months ago) by niro
File size: 65675 byte(s)
Fri Nov 9 12:14:58 2018 UTC (5 years, 10 months ago) by niro
File size: 65675 byte(s)
-added up to patches-4.14.79
1 | diff --git a/Makefile b/Makefile |
2 | index 7fc373c011c0..332dd011b3b9 100644 |
3 | --- a/Makefile |
4 | +++ b/Makefile |
5 | @@ -1,7 +1,7 @@ |
6 | # SPDX-License-Identifier: GPL-2.0 |
7 | VERSION = 4 |
8 | PATCHLEVEL = 14 |
9 | -SUBLEVEL = 75 |
10 | +SUBLEVEL = 76 |
11 | EXTRAVERSION = |
12 | NAME = Petit Gorille |
13 | |
14 | diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c |
15 | index 4674541eba3f..8ce6e7235915 100644 |
16 | --- a/arch/arc/kernel/process.c |
17 | +++ b/arch/arc/kernel/process.c |
18 | @@ -241,6 +241,26 @@ int copy_thread(unsigned long clone_flags, |
19 | task_thread_info(current)->thr_ptr; |
20 | } |
21 | |
22 | + |
23 | + /* |
24 | + * setup usermode thread pointer #1: |
25 | + * when child is picked by scheduler, __switch_to() uses @c_callee to |
26 | + * populate usermode callee regs: this works (despite being in a kernel |
27 | + * function) since special return path for child @ret_from_fork() |
28 | + * ensures those regs are not clobbered all the way to RTIE to usermode |
29 | + */ |
30 | + c_callee->r25 = task_thread_info(p)->thr_ptr; |
31 | + |
32 | +#ifdef CONFIG_ARC_CURR_IN_REG |
33 | + /* |
34 | + * setup usermode thread pointer #2: |
35 | + * however for this special use of r25 in kernel, __switch_to() sets |
36 | + * r25 for kernel needs and only in the final return path is usermode |
37 | + * r25 setup, from pt_regs->user_r25. So set that up as well |
38 | + */ |
39 | + c_regs->user_r25 = c_callee->r25; |
40 | +#endif |
41 | + |
42 | return 0; |
43 | } |
44 | |
45 | diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h |
46 | index bbcdf929be54..a5e919e34c42 100644 |
47 | --- a/arch/powerpc/include/asm/setup.h |
48 | +++ b/arch/powerpc/include/asm/setup.h |
49 | @@ -9,6 +9,7 @@ extern void ppc_printk_progress(char *s, unsigned short hex); |
50 | |
51 | extern unsigned int rtas_data; |
52 | extern unsigned long long memory_limit; |
53 | +extern bool init_mem_is_free; |
54 | extern unsigned long klimit; |
55 | extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); |
56 | |
57 | diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c |
58 | index 096d4e4d31e6..882c750dc519 100644 |
59 | --- a/arch/powerpc/lib/code-patching.c |
60 | +++ b/arch/powerpc/lib/code-patching.c |
61 | @@ -22,20 +22,28 @@ |
62 | #include <asm/page.h> |
63 | #include <asm/code-patching.h> |
64 | #include <asm/setup.h> |
65 | +#include <asm/sections.h> |
66 | |
67 | -static int __patch_instruction(unsigned int *addr, unsigned int instr) |
68 | +static int __patch_instruction(unsigned int *exec_addr, unsigned int instr, |
69 | + unsigned int *patch_addr) |
70 | { |
71 | int err; |
72 | |
73 | - __put_user_size(instr, addr, 4, err); |
74 | + __put_user_size(instr, patch_addr, 4, err); |
75 | if (err) |
76 | return err; |
77 | |
78 | - asm ("dcbst 0, %0; sync; icbi 0,%0; sync; isync" :: "r" (addr)); |
79 | + asm ("dcbst 0, %0; sync; icbi 0,%1; sync; isync" :: "r" (patch_addr), |
80 | + "r" (exec_addr)); |
81 | |
82 | return 0; |
83 | } |
84 | |
85 | +static int raw_patch_instruction(unsigned int *addr, unsigned int instr) |
86 | +{ |
87 | + return __patch_instruction(addr, instr, addr); |
88 | +} |
89 | + |
90 | #ifdef CONFIG_STRICT_KERNEL_RWX |
91 | static DEFINE_PER_CPU(struct vm_struct *, text_poke_area); |
92 | |
93 | @@ -135,10 +143,10 @@ static inline int unmap_patch_area(unsigned long addr) |
94 | return 0; |
95 | } |
96 | |
97 | -int patch_instruction(unsigned int *addr, unsigned int instr) |
98 | +static int do_patch_instruction(unsigned int *addr, unsigned int instr) |
99 | { |
100 | int err; |
101 | - unsigned int *dest = NULL; |
102 | + unsigned int *patch_addr = NULL; |
103 | unsigned long flags; |
104 | unsigned long text_poke_addr; |
105 | unsigned long kaddr = (unsigned long)addr; |
106 | @@ -149,7 +157,7 @@ int patch_instruction(unsigned int *addr, unsigned int instr) |
107 | * to allow patching. We just do the plain old patching |
108 | */ |
109 | if (!this_cpu_read(*PTRRELOC(&text_poke_area))) |
110 | - return __patch_instruction(addr, instr); |
111 | + return raw_patch_instruction(addr, instr); |
112 | |
113 | local_irq_save(flags); |
114 | |
115 | @@ -159,17 +167,10 @@ int patch_instruction(unsigned int *addr, unsigned int instr) |
116 | goto out; |
117 | } |
118 | |
119 | - dest = (unsigned int *)(text_poke_addr) + |
120 | + patch_addr = (unsigned int *)(text_poke_addr) + |
121 | ((kaddr & ~PAGE_MASK) / sizeof(unsigned int)); |
122 | |
123 | - /* |
124 | - * We use __put_user_size so that we can handle faults while |
125 | - * writing to dest and return err to handle faults gracefully |
126 | - */ |
127 | - __put_user_size(instr, dest, 4, err); |
128 | - if (!err) |
129 | - asm ("dcbst 0, %0; sync; icbi 0,%0; icbi 0,%1; sync; isync" |
130 | - ::"r" (dest), "r"(addr)); |
131 | + __patch_instruction(addr, instr, patch_addr); |
132 | |
133 | err = unmap_patch_area(text_poke_addr); |
134 | if (err) |
135 | @@ -182,12 +183,22 @@ out: |
136 | } |
137 | #else /* !CONFIG_STRICT_KERNEL_RWX */ |
138 | |
139 | -int patch_instruction(unsigned int *addr, unsigned int instr) |
140 | +static int do_patch_instruction(unsigned int *addr, unsigned int instr) |
141 | { |
142 | - return __patch_instruction(addr, instr); |
143 | + return raw_patch_instruction(addr, instr); |
144 | } |
145 | |
146 | #endif /* CONFIG_STRICT_KERNEL_RWX */ |
147 | + |
148 | +int patch_instruction(unsigned int *addr, unsigned int instr) |
149 | +{ |
150 | + /* Make sure we aren't patching a freed init section */ |
151 | + if (init_mem_is_free && init_section_contains(addr, 4)) { |
152 | + pr_debug("Skipping init section patching addr: 0x%px\n", addr); |
153 | + return 0; |
154 | + } |
155 | + return do_patch_instruction(addr, instr); |
156 | +} |
157 | NOKPROBE_SYMBOL(patch_instruction); |
158 | |
159 | int patch_branch(unsigned int *addr, unsigned long target, int flags) |
160 | diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c |
161 | index 9c2f83331e5b..30bf13b72e5e 100644 |
162 | --- a/arch/powerpc/mm/mem.c |
163 | +++ b/arch/powerpc/mm/mem.c |
164 | @@ -63,6 +63,7 @@ |
165 | #endif |
166 | |
167 | unsigned long long memory_limit; |
168 | +bool init_mem_is_free; |
169 | |
170 | #ifdef CONFIG_HIGHMEM |
171 | pte_t *kmap_pte; |
172 | @@ -405,6 +406,7 @@ void free_initmem(void) |
173 | { |
174 | ppc_md.progress = ppc_printk_progress; |
175 | mark_initmem_nx(); |
176 | + init_mem_is_free = true; |
177 | free_initmem_default(POISON_FREE_INITMEM); |
178 | } |
179 | |
180 | diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile |
181 | index b545bf9d2328..0a550dc5c525 100644 |
182 | --- a/arch/x86/entry/vdso/Makefile |
183 | +++ b/arch/x86/entry/vdso/Makefile |
184 | @@ -74,7 +74,13 @@ $(obj)/vdso-image-%.c: $(obj)/vdso%.so.dbg $(obj)/vdso%.so $(obj)/vdso2c FORCE |
185 | CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ |
186 | $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector) \ |
187 | -fno-omit-frame-pointer -foptimize-sibling-calls \ |
188 | - -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO $(RETPOLINE_VDSO_CFLAGS) |
189 | + -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO |
190 | + |
191 | +ifdef CONFIG_RETPOLINE |
192 | +ifneq ($(RETPOLINE_VDSO_CFLAGS),) |
193 | + CFL += $(RETPOLINE_VDSO_CFLAGS) |
194 | +endif |
195 | +endif |
196 | |
197 | $(vobjs): KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL) |
198 | |
199 | @@ -153,7 +159,13 @@ KBUILD_CFLAGS_32 += $(call cc-option, -fno-stack-protector) |
200 | KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls) |
201 | KBUILD_CFLAGS_32 += -fno-omit-frame-pointer |
202 | KBUILD_CFLAGS_32 += -DDISABLE_BRANCH_PROFILING |
203 | -KBUILD_CFLAGS_32 += $(RETPOLINE_VDSO_CFLAGS) |
204 | + |
205 | +ifdef CONFIG_RETPOLINE |
206 | +ifneq ($(RETPOLINE_VDSO_CFLAGS),) |
207 | + KBUILD_CFLAGS_32 += $(RETPOLINE_VDSO_CFLAGS) |
208 | +endif |
209 | +endif |
210 | + |
211 | $(obj)/vdso32.so.dbg: KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) |
212 | |
213 | $(obj)/vdso32.so.dbg: FORCE \ |
214 | diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c |
215 | index fa8dbfcf7ed3..9c35dc0a9d64 100644 |
216 | --- a/arch/x86/entry/vdso/vclock_gettime.c |
217 | +++ b/arch/x86/entry/vdso/vclock_gettime.c |
218 | @@ -43,8 +43,9 @@ extern u8 hvclock_page |
219 | notrace static long vdso_fallback_gettime(long clock, struct timespec *ts) |
220 | { |
221 | long ret; |
222 | - asm("syscall" : "=a" (ret) : |
223 | - "0" (__NR_clock_gettime), "D" (clock), "S" (ts) : "memory"); |
224 | + asm ("syscall" : "=a" (ret), "=m" (*ts) : |
225 | + "0" (__NR_clock_gettime), "D" (clock), "S" (ts) : |
226 | + "memory", "rcx", "r11"); |
227 | return ret; |
228 | } |
229 | |
230 | @@ -52,8 +53,9 @@ notrace static long vdso_fallback_gtod(struct timeval *tv, struct timezone *tz) |
231 | { |
232 | long ret; |
233 | |
234 | - asm("syscall" : "=a" (ret) : |
235 | - "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "memory"); |
236 | + asm ("syscall" : "=a" (ret), "=m" (*tv), "=m" (*tz) : |
237 | + "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : |
238 | + "memory", "rcx", "r11"); |
239 | return ret; |
240 | } |
241 | |
242 | @@ -64,13 +66,13 @@ notrace static long vdso_fallback_gettime(long clock, struct timespec *ts) |
243 | { |
244 | long ret; |
245 | |
246 | - asm( |
247 | + asm ( |
248 | "mov %%ebx, %%edx \n" |
249 | - "mov %2, %%ebx \n" |
250 | + "mov %[clock], %%ebx \n" |
251 | "call __kernel_vsyscall \n" |
252 | "mov %%edx, %%ebx \n" |
253 | - : "=a" (ret) |
254 | - : "0" (__NR_clock_gettime), "g" (clock), "c" (ts) |
255 | + : "=a" (ret), "=m" (*ts) |
256 | + : "0" (__NR_clock_gettime), [clock] "g" (clock), "c" (ts) |
257 | : "memory", "edx"); |
258 | return ret; |
259 | } |
260 | @@ -79,13 +81,13 @@ notrace static long vdso_fallback_gtod(struct timeval *tv, struct timezone *tz) |
261 | { |
262 | long ret; |
263 | |
264 | - asm( |
265 | + asm ( |
266 | "mov %%ebx, %%edx \n" |
267 | - "mov %2, %%ebx \n" |
268 | + "mov %[tv], %%ebx \n" |
269 | "call __kernel_vsyscall \n" |
270 | "mov %%edx, %%ebx \n" |
271 | - : "=a" (ret) |
272 | - : "0" (__NR_gettimeofday), "g" (tv), "c" (tz) |
273 | + : "=a" (ret), "=m" (*tv), "=m" (*tz) |
274 | + : "0" (__NR_gettimeofday), [tv] "g" (tv), "c" (tz) |
275 | : "memory", "edx"); |
276 | return ret; |
277 | } |
278 | diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c |
279 | index 1dfb808abd23..d755e0d44ac1 100644 |
280 | --- a/arch/x86/kvm/mmu.c |
281 | +++ b/arch/x86/kvm/mmu.c |
282 | @@ -231,6 +231,17 @@ static u64 __read_mostly shadow_nonpresent_or_rsvd_mask; |
283 | */ |
284 | static const u64 shadow_nonpresent_or_rsvd_mask_len = 5; |
285 | |
286 | +/* |
287 | + * In some cases, we need to preserve the GFN of a non-present or reserved |
288 | + * SPTE when we usurp the upper five bits of the physical address space to |
289 | + * defend against L1TF, e.g. for MMIO SPTEs. To preserve the GFN, we'll |
290 | + * shift bits of the GFN that overlap with shadow_nonpresent_or_rsvd_mask |
291 | + * left into the reserved bits, i.e. the GFN in the SPTE will be split into |
292 | + * high and low parts. This mask covers the lower bits of the GFN. |
293 | + */ |
294 | +static u64 __read_mostly shadow_nonpresent_or_rsvd_lower_gfn_mask; |
295 | + |
296 | + |
297 | static void mmu_spte_set(u64 *sptep, u64 spte); |
298 | static void mmu_free_roots(struct kvm_vcpu *vcpu); |
299 | |
300 | @@ -338,9 +349,7 @@ static bool is_mmio_spte(u64 spte) |
301 | |
302 | static gfn_t get_mmio_spte_gfn(u64 spte) |
303 | { |
304 | - u64 mask = generation_mmio_spte_mask(MMIO_GEN_MASK) | shadow_mmio_mask | |
305 | - shadow_nonpresent_or_rsvd_mask; |
306 | - u64 gpa = spte & ~mask; |
307 | + u64 gpa = spte & shadow_nonpresent_or_rsvd_lower_gfn_mask; |
308 | |
309 | gpa |= (spte >> shadow_nonpresent_or_rsvd_mask_len) |
310 | & shadow_nonpresent_or_rsvd_mask; |
311 | @@ -404,6 +413,8 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes); |
312 | |
313 | static void kvm_mmu_reset_all_pte_masks(void) |
314 | { |
315 | + u8 low_phys_bits; |
316 | + |
317 | shadow_user_mask = 0; |
318 | shadow_accessed_mask = 0; |
319 | shadow_dirty_mask = 0; |
320 | @@ -418,12 +429,17 @@ static void kvm_mmu_reset_all_pte_masks(void) |
321 | * appropriate mask to guard against L1TF attacks. Otherwise, it is |
322 | * assumed that the CPU is not vulnerable to L1TF. |
323 | */ |
324 | + low_phys_bits = boot_cpu_data.x86_phys_bits; |
325 | if (boot_cpu_data.x86_phys_bits < |
326 | - 52 - shadow_nonpresent_or_rsvd_mask_len) |
327 | + 52 - shadow_nonpresent_or_rsvd_mask_len) { |
328 | shadow_nonpresent_or_rsvd_mask = |
329 | rsvd_bits(boot_cpu_data.x86_phys_bits - |
330 | shadow_nonpresent_or_rsvd_mask_len, |
331 | boot_cpu_data.x86_phys_bits - 1); |
332 | + low_phys_bits -= shadow_nonpresent_or_rsvd_mask_len; |
333 | + } |
334 | + shadow_nonpresent_or_rsvd_lower_gfn_mask = |
335 | + GENMASK_ULL(low_phys_bits - 1, PAGE_SHIFT); |
336 | } |
337 | |
338 | static int is_cpuid_PSE36(void) |
339 | diff --git a/block/blk-mq.c b/block/blk-mq.c |
340 | index 49979c095f31..eac444804736 100644 |
341 | --- a/block/blk-mq.c |
342 | +++ b/block/blk-mq.c |
343 | @@ -1512,7 +1512,7 @@ void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule) |
344 | BUG_ON(!rq->q); |
345 | if (rq->mq_ctx != this_ctx) { |
346 | if (this_ctx) { |
347 | - trace_block_unplug(this_q, depth, from_schedule); |
348 | + trace_block_unplug(this_q, depth, !from_schedule); |
349 | blk_mq_sched_insert_requests(this_q, this_ctx, |
350 | &ctx_list, |
351 | from_schedule); |
352 | @@ -1532,7 +1532,7 @@ void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule) |
353 | * on 'ctx_list'. Do those. |
354 | */ |
355 | if (this_ctx) { |
356 | - trace_block_unplug(this_q, depth, from_schedule); |
357 | + trace_block_unplug(this_q, depth, !from_schedule); |
358 | blk_mq_sched_insert_requests(this_q, this_ctx, &ctx_list, |
359 | from_schedule); |
360 | } |
361 | diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c |
362 | index 770b1539a083..d16b40cd26cc 100644 |
363 | --- a/drivers/base/power/main.c |
364 | +++ b/drivers/base/power/main.c |
365 | @@ -1462,8 +1462,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) |
366 | |
367 | dpm_wait_for_subordinate(dev, async); |
368 | |
369 | - if (async_error) |
370 | + if (async_error) { |
371 | + dev->power.direct_complete = false; |
372 | goto Complete; |
373 | + } |
374 | |
375 | /* |
376 | * If a device configured to wake up the system from sleep states |
377 | @@ -1475,6 +1477,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) |
378 | pm_wakeup_event(dev, 0); |
379 | |
380 | if (pm_wakeup_pending()) { |
381 | + dev->power.direct_complete = false; |
382 | async_error = -EBUSY; |
383 | goto Complete; |
384 | } |
385 | diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c |
386 | index ec8a4376f74f..2fab18fae4fc 100644 |
387 | --- a/drivers/clocksource/timer-atmel-pit.c |
388 | +++ b/drivers/clocksource/timer-atmel-pit.c |
389 | @@ -180,26 +180,29 @@ static int __init at91sam926x_pit_dt_init(struct device_node *node) |
390 | data->base = of_iomap(node, 0); |
391 | if (!data->base) { |
392 | pr_err("Could not map PIT address\n"); |
393 | - return -ENXIO; |
394 | + ret = -ENXIO; |
395 | + goto exit; |
396 | } |
397 | |
398 | data->mck = of_clk_get(node, 0); |
399 | if (IS_ERR(data->mck)) { |
400 | pr_err("Unable to get mck clk\n"); |
401 | - return PTR_ERR(data->mck); |
402 | + ret = PTR_ERR(data->mck); |
403 | + goto exit; |
404 | } |
405 | |
406 | ret = clk_prepare_enable(data->mck); |
407 | if (ret) { |
408 | pr_err("Unable to enable mck\n"); |
409 | - return ret; |
410 | + goto exit; |
411 | } |
412 | |
413 | /* Get the interrupts property */ |
414 | data->irq = irq_of_parse_and_map(node, 0); |
415 | if (!data->irq) { |
416 | pr_err("Unable to get IRQ from DT\n"); |
417 | - return -EINVAL; |
418 | + ret = -EINVAL; |
419 | + goto exit; |
420 | } |
421 | |
422 | /* |
423 | @@ -227,7 +230,7 @@ static int __init at91sam926x_pit_dt_init(struct device_node *node) |
424 | ret = clocksource_register_hz(&data->clksrc, pit_rate); |
425 | if (ret) { |
426 | pr_err("Failed to register clocksource\n"); |
427 | - return ret; |
428 | + goto exit; |
429 | } |
430 | |
431 | /* Set up irq handler */ |
432 | @@ -236,7 +239,8 @@ static int __init at91sam926x_pit_dt_init(struct device_node *node) |
433 | "at91_tick", data); |
434 | if (ret) { |
435 | pr_err("Unable to setup IRQ\n"); |
436 | - return ret; |
437 | + clocksource_unregister(&data->clksrc); |
438 | + goto exit; |
439 | } |
440 | |
441 | /* Set up and register clockevents */ |
442 | @@ -254,6 +258,10 @@ static int __init at91sam926x_pit_dt_init(struct device_node *node) |
443 | clockevents_register_device(&data->clkevt); |
444 | |
445 | return 0; |
446 | + |
447 | +exit: |
448 | + kfree(data); |
449 | + return ret; |
450 | } |
451 | TIMER_OF_DECLARE(at91sam926x_pit, "atmel,at91sam9260-pit", |
452 | at91sam926x_pit_dt_init); |
453 | diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c |
454 | index 0e8160701833..bb7b59fc5c08 100644 |
455 | --- a/drivers/crypto/chelsio/chcr_algo.c |
456 | +++ b/drivers/crypto/chelsio/chcr_algo.c |
457 | @@ -384,7 +384,8 @@ static inline int is_hmac(struct crypto_tfm *tfm) |
458 | |
459 | static void write_phys_cpl(struct cpl_rx_phys_dsgl *phys_cpl, |
460 | struct scatterlist *sg, |
461 | - struct phys_sge_parm *sg_param) |
462 | + struct phys_sge_parm *sg_param, |
463 | + int pci_chan_id) |
464 | { |
465 | struct phys_sge_pairs *to; |
466 | unsigned int len = 0, left_size = sg_param->obsize; |
467 | @@ -402,6 +403,7 @@ static void write_phys_cpl(struct cpl_rx_phys_dsgl *phys_cpl, |
468 | phys_cpl->rss_hdr_int.opcode = CPL_RX_PHYS_ADDR; |
469 | phys_cpl->rss_hdr_int.qid = htons(sg_param->qid); |
470 | phys_cpl->rss_hdr_int.hash_val = 0; |
471 | + phys_cpl->rss_hdr_int.channel = pci_chan_id; |
472 | to = (struct phys_sge_pairs *)((unsigned char *)phys_cpl + |
473 | sizeof(struct cpl_rx_phys_dsgl)); |
474 | for (i = 0; nents && left_size; to++) { |
475 | @@ -418,7 +420,8 @@ static void write_phys_cpl(struct cpl_rx_phys_dsgl *phys_cpl, |
476 | static inline int map_writesg_phys_cpl(struct device *dev, |
477 | struct cpl_rx_phys_dsgl *phys_cpl, |
478 | struct scatterlist *sg, |
479 | - struct phys_sge_parm *sg_param) |
480 | + struct phys_sge_parm *sg_param, |
481 | + int pci_chan_id) |
482 | { |
483 | if (!sg || !sg_param->nents) |
484 | return -EINVAL; |
485 | @@ -428,7 +431,7 @@ static inline int map_writesg_phys_cpl(struct device *dev, |
486 | pr_err("CHCR : DMA mapping failed\n"); |
487 | return -EINVAL; |
488 | } |
489 | - write_phys_cpl(phys_cpl, sg, sg_param); |
490 | + write_phys_cpl(phys_cpl, sg, sg_param, pci_chan_id); |
491 | return 0; |
492 | } |
493 | |
494 | @@ -608,7 +611,7 @@ static inline void create_wreq(struct chcr_context *ctx, |
495 | is_iv ? iv_loc : IV_NOP, !!lcb, |
496 | ctx->tx_qidx); |
497 | |
498 | - chcr_req->ulptx.cmd_dest = FILL_ULPTX_CMD_DEST(ctx->dev->tx_channel_id, |
499 | + chcr_req->ulptx.cmd_dest = FILL_ULPTX_CMD_DEST(ctx->tx_chan_id, |
500 | qid); |
501 | chcr_req->ulptx.len = htonl((DIV_ROUND_UP((calc_tx_flits_ofld(skb) * 8), |
502 | 16) - ((sizeof(chcr_req->wreq)) >> 4))); |
503 | @@ -698,7 +701,8 @@ static struct sk_buff *create_cipher_wr(struct cipher_wr_param *wrparam) |
504 | sg_param.obsize = wrparam->bytes; |
505 | sg_param.qid = wrparam->qid; |
506 | error = map_writesg_phys_cpl(&u_ctx->lldi.pdev->dev, phys_cpl, |
507 | - reqctx->dst, &sg_param); |
508 | + reqctx->dst, &sg_param, |
509 | + ctx->pci_chan_id); |
510 | if (error) |
511 | goto map_fail1; |
512 | |
513 | @@ -1228,16 +1232,23 @@ static int chcr_device_init(struct chcr_context *ctx) |
514 | adap->vres.ncrypto_fc); |
515 | rxq_perchan = u_ctx->lldi.nrxq / u_ctx->lldi.nchan; |
516 | txq_perchan = ntxq / u_ctx->lldi.nchan; |
517 | - rxq_idx = ctx->dev->tx_channel_id * rxq_perchan; |
518 | - rxq_idx += id % rxq_perchan; |
519 | - txq_idx = ctx->dev->tx_channel_id * txq_perchan; |
520 | - txq_idx += id % txq_perchan; |
521 | spin_lock(&ctx->dev->lock_chcr_dev); |
522 | - ctx->rx_qidx = rxq_idx; |
523 | - ctx->tx_qidx = txq_idx; |
524 | + ctx->tx_chan_id = ctx->dev->tx_channel_id; |
525 | ctx->dev->tx_channel_id = !ctx->dev->tx_channel_id; |
526 | ctx->dev->rx_channel_id = 0; |
527 | spin_unlock(&ctx->dev->lock_chcr_dev); |
528 | + rxq_idx = ctx->tx_chan_id * rxq_perchan; |
529 | + rxq_idx += id % rxq_perchan; |
530 | + txq_idx = ctx->tx_chan_id * txq_perchan; |
531 | + txq_idx += id % txq_perchan; |
532 | + ctx->rx_qidx = rxq_idx; |
533 | + ctx->tx_qidx = txq_idx; |
534 | + /* Channel Id used by SGE to forward packet to Host. |
535 | + * Same value should be used in cpl_fw6_pld RSS_CH field |
536 | + * by FW. Driver programs PCI channel ID to be used in fw |
537 | + * at the time of queue allocation with value "pi->tx_chan" |
538 | + */ |
539 | + ctx->pci_chan_id = txq_idx / txq_perchan; |
540 | } |
541 | out: |
542 | return err; |
543 | @@ -2066,7 +2077,8 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req, |
544 | sg_param.obsize = req->cryptlen + (op_type ? -authsize : authsize); |
545 | sg_param.qid = qid; |
546 | error = map_writesg_phys_cpl(&u_ctx->lldi.pdev->dev, phys_cpl, |
547 | - reqctx->dst, &sg_param); |
548 | + reqctx->dst, &sg_param, |
549 | + ctx->pci_chan_id); |
550 | if (error) |
551 | goto dstmap_fail; |
552 | |
553 | @@ -2389,7 +2401,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req, |
554 | sg_param.obsize = req->cryptlen + (op_type ? -authsize : authsize); |
555 | sg_param.qid = qid; |
556 | error = map_writesg_phys_cpl(&u_ctx->lldi.pdev->dev, phys_cpl, |
557 | - reqctx->dst, &sg_param); |
558 | + reqctx->dst, &sg_param, ctx->pci_chan_id); |
559 | if (error) |
560 | goto dstmap_fail; |
561 | |
562 | @@ -2545,7 +2557,8 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req, |
563 | sg_param.obsize = req->cryptlen + (op_type ? -authsize : authsize); |
564 | sg_param.qid = qid; |
565 | error = map_writesg_phys_cpl(&u_ctx->lldi.pdev->dev, phys_cpl, |
566 | - reqctx->dst, &sg_param); |
567 | + reqctx->dst, &sg_param, |
568 | + ctx->pci_chan_id); |
569 | if (error) |
570 | goto dstmap_fail; |
571 | |
572 | diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h |
573 | index 30af1ee17b87..e039d9aeb651 100644 |
574 | --- a/drivers/crypto/chelsio/chcr_crypto.h |
575 | +++ b/drivers/crypto/chelsio/chcr_crypto.h |
576 | @@ -222,6 +222,8 @@ struct chcr_context { |
577 | struct chcr_dev *dev; |
578 | unsigned char tx_qidx; |
579 | unsigned char rx_qidx; |
580 | + unsigned char tx_chan_id; |
581 | + unsigned char pci_chan_id; |
582 | struct __crypto_ctx crypto_ctx[0]; |
583 | }; |
584 | |
585 | diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c |
586 | index 9fc3d387eae3..fb36425e21ff 100644 |
587 | --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c |
588 | +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c |
589 | @@ -231,6 +231,8 @@ int amdgpu_vce_suspend(struct amdgpu_device *adev) |
590 | { |
591 | int i; |
592 | |
593 | + cancel_delayed_work_sync(&adev->vce.idle_work); |
594 | + |
595 | if (adev->vce.vcpu_bo == NULL) |
596 | return 0; |
597 | |
598 | @@ -241,7 +243,6 @@ int amdgpu_vce_suspend(struct amdgpu_device *adev) |
599 | if (i == AMDGPU_MAX_VCE_HANDLES) |
600 | return 0; |
601 | |
602 | - cancel_delayed_work_sync(&adev->vce.idle_work); |
603 | /* TODO: suspending running encoding sessions isn't supported */ |
604 | return -EINVAL; |
605 | } |
606 | diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c |
607 | index 1612d8aa6ad6..fca1b10628a6 100644 |
608 | --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c |
609 | +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c |
610 | @@ -155,11 +155,11 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev) |
611 | unsigned size; |
612 | void *ptr; |
613 | |
614 | + cancel_delayed_work_sync(&adev->vcn.idle_work); |
615 | + |
616 | if (adev->vcn.vcpu_bo == NULL) |
617 | return 0; |
618 | |
619 | - cancel_delayed_work_sync(&adev->vcn.idle_work); |
620 | - |
621 | size = amdgpu_bo_size(adev->vcn.vcpu_bo); |
622 | ptr = adev->vcn.cpu_addr; |
623 | |
624 | diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c |
625 | index 7bcf5702c91c..889c95d4feec 100644 |
626 | --- a/drivers/gpu/drm/drm_syncobj.c |
627 | +++ b/drivers/gpu/drm/drm_syncobj.c |
628 | @@ -96,6 +96,8 @@ static int drm_syncobj_fence_get_or_add_callback(struct drm_syncobj *syncobj, |
629 | { |
630 | int ret; |
631 | |
632 | + WARN_ON(*fence); |
633 | + |
634 | *fence = drm_syncobj_fence_get(syncobj); |
635 | if (*fence) |
636 | return 1; |
637 | @@ -656,6 +658,9 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs, |
638 | |
639 | if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT) { |
640 | for (i = 0; i < count; ++i) { |
641 | + if (entries[i].fence) |
642 | + continue; |
643 | + |
644 | drm_syncobj_fence_get_or_add_callback(syncobjs[i], |
645 | &entries[i].fence, |
646 | &entries[i].syncobj_cb, |
647 | diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c |
648 | index 16423d7ab599..17144a781aeb 100644 |
649 | --- a/drivers/infiniband/core/ucma.c |
650 | +++ b/drivers/infiniband/core/ucma.c |
651 | @@ -1742,6 +1742,8 @@ static int ucma_close(struct inode *inode, struct file *filp) |
652 | mutex_lock(&mut); |
653 | if (!ctx->closing) { |
654 | mutex_unlock(&mut); |
655 | + ucma_put_ctx(ctx); |
656 | + wait_for_completion(&ctx->comp); |
657 | /* rdma_destroy_id ensures that no event handlers are |
658 | * inflight for that id before releasing it. |
659 | */ |
660 | diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c |
661 | index 0a5a45f3ec5f..7f1c64c4ad24 100644 |
662 | --- a/drivers/md/dm-cache-metadata.c |
663 | +++ b/drivers/md/dm-cache-metadata.c |
664 | @@ -1454,8 +1454,8 @@ static int __load_mappings(struct dm_cache_metadata *cmd, |
665 | if (hints_valid) { |
666 | r = dm_array_cursor_next(&cmd->hint_cursor); |
667 | if (r) { |
668 | - DMERR("dm_array_cursor_next for hint failed"); |
669 | - goto out; |
670 | + dm_array_cursor_end(&cmd->hint_cursor); |
671 | + hints_valid = false; |
672 | } |
673 | } |
674 | |
675 | diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c |
676 | index a4b7c2698096..e2ea57d5376e 100644 |
677 | --- a/drivers/md/dm-cache-target.c |
678 | +++ b/drivers/md/dm-cache-target.c |
679 | @@ -3097,8 +3097,13 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache) |
680 | |
681 | static bool can_resize(struct cache *cache, dm_cblock_t new_size) |
682 | { |
683 | - if (from_cblock(new_size) > from_cblock(cache->cache_size)) |
684 | - return true; |
685 | + if (from_cblock(new_size) > from_cblock(cache->cache_size)) { |
686 | + if (cache->sized) { |
687 | + DMERR("%s: unable to extend cache due to missing cache table reload", |
688 | + cache_device_name(cache)); |
689 | + return false; |
690 | + } |
691 | + } |
692 | |
693 | /* |
694 | * We can't drop a dirty block when shrinking the cache. |
695 | diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c |
696 | index df514507d3f1..22003895f854 100644 |
697 | --- a/drivers/net/wireless/ath/ath10k/debug.c |
698 | +++ b/drivers/net/wireless/ath/ath10k/debug.c |
699 | @@ -1,6 +1,7 @@ |
700 | /* |
701 | * Copyright (c) 2005-2011 Atheros Communications Inc. |
702 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. |
703 | + * Copyright (c) 2018, The Linux Foundation. All rights reserved. |
704 | * |
705 | * Permission to use, copy, modify, and/or distribute this software for any |
706 | * purpose with or without fee is hereby granted, provided that the above |
707 | @@ -163,6 +164,8 @@ void ath10k_debug_print_hwfw_info(struct ath10k *ar) |
708 | void ath10k_debug_print_board_info(struct ath10k *ar) |
709 | { |
710 | char boardinfo[100]; |
711 | + const struct firmware *board; |
712 | + u32 crc; |
713 | |
714 | if (ar->id.bmi_ids_valid) |
715 | scnprintf(boardinfo, sizeof(boardinfo), "%d:%d", |
716 | @@ -170,11 +173,16 @@ void ath10k_debug_print_board_info(struct ath10k *ar) |
717 | else |
718 | scnprintf(boardinfo, sizeof(boardinfo), "N/A"); |
719 | |
720 | + board = ar->normal_mode_fw.board; |
721 | + if (!IS_ERR_OR_NULL(board)) |
722 | + crc = crc32_le(0, board->data, board->size); |
723 | + else |
724 | + crc = 0; |
725 | + |
726 | ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x", |
727 | ar->bd_api, |
728 | boardinfo, |
729 | - crc32_le(0, ar->normal_mode_fw.board->data, |
730 | - ar->normal_mode_fw.board->size)); |
731 | + crc); |
732 | } |
733 | |
734 | void ath10k_debug_print_boot_info(struct ath10k *ar) |
735 | diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h |
736 | index e0d00cef0bd8..5b974bb76e6c 100644 |
737 | --- a/drivers/net/wireless/ath/ath10k/trace.h |
738 | +++ b/drivers/net/wireless/ath/ath10k/trace.h |
739 | @@ -152,10 +152,9 @@ TRACE_EVENT(ath10k_log_dbg_dump, |
740 | ); |
741 | |
742 | TRACE_EVENT(ath10k_wmi_cmd, |
743 | - TP_PROTO(struct ath10k *ar, int id, const void *buf, size_t buf_len, |
744 | - int ret), |
745 | + TP_PROTO(struct ath10k *ar, int id, const void *buf, size_t buf_len), |
746 | |
747 | - TP_ARGS(ar, id, buf, buf_len, ret), |
748 | + TP_ARGS(ar, id, buf, buf_len), |
749 | |
750 | TP_STRUCT__entry( |
751 | __string(device, dev_name(ar->dev)) |
752 | @@ -163,7 +162,6 @@ TRACE_EVENT(ath10k_wmi_cmd, |
753 | __field(unsigned int, id) |
754 | __field(size_t, buf_len) |
755 | __dynamic_array(u8, buf, buf_len) |
756 | - __field(int, ret) |
757 | ), |
758 | |
759 | TP_fast_assign( |
760 | @@ -171,17 +169,15 @@ TRACE_EVENT(ath10k_wmi_cmd, |
761 | __assign_str(driver, dev_driver_string(ar->dev)); |
762 | __entry->id = id; |
763 | __entry->buf_len = buf_len; |
764 | - __entry->ret = ret; |
765 | memcpy(__get_dynamic_array(buf), buf, buf_len); |
766 | ), |
767 | |
768 | TP_printk( |
769 | - "%s %s id %d len %zu ret %d", |
770 | + "%s %s id %d len %zu", |
771 | __get_str(driver), |
772 | __get_str(device), |
773 | __entry->id, |
774 | - __entry->buf_len, |
775 | - __entry->ret |
776 | + __entry->buf_len |
777 | ) |
778 | ); |
779 | |
780 | diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c |
781 | index baec856af90f..b54001e97ced 100644 |
782 | --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c |
783 | +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c |
784 | @@ -1486,10 +1486,10 @@ ath10k_wmi_tlv_op_gen_start_scan(struct ath10k *ar, |
785 | bssid_len = arg->n_bssids * sizeof(struct wmi_mac_addr); |
786 | ie_len = roundup(arg->ie_len, 4); |
787 | len = (sizeof(*tlv) + sizeof(*cmd)) + |
788 | - (arg->n_channels ? sizeof(*tlv) + chan_len : 0) + |
789 | - (arg->n_ssids ? sizeof(*tlv) + ssid_len : 0) + |
790 | - (arg->n_bssids ? sizeof(*tlv) + bssid_len : 0) + |
791 | - (arg->ie_len ? sizeof(*tlv) + ie_len : 0); |
792 | + sizeof(*tlv) + chan_len + |
793 | + sizeof(*tlv) + ssid_len + |
794 | + sizeof(*tlv) + bssid_len + |
795 | + sizeof(*tlv) + ie_len; |
796 | |
797 | skb = ath10k_wmi_alloc_skb(ar, len); |
798 | if (!skb) |
799 | diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c |
800 | index 38a97086708b..2ab5311659ea 100644 |
801 | --- a/drivers/net/wireless/ath/ath10k/wmi.c |
802 | +++ b/drivers/net/wireless/ath/ath10k/wmi.c |
803 | @@ -1741,8 +1741,8 @@ int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb, |
804 | cmd_hdr->cmd_id = __cpu_to_le32(cmd); |
805 | |
806 | memset(skb_cb, 0, sizeof(*skb_cb)); |
807 | + trace_ath10k_wmi_cmd(ar, cmd_id, skb->data, skb->len); |
808 | ret = ath10k_htc_send(&ar->htc, ar->wmi.eid, skb); |
809 | - trace_ath10k_wmi_cmd(ar, cmd_id, skb->data, skb->len, ret); |
810 | |
811 | if (ret) |
812 | goto err_pull; |
813 | diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c |
814 | index 3c4c58b9fe76..3b6fb5b3bdb2 100644 |
815 | --- a/drivers/net/xen-netback/hash.c |
816 | +++ b/drivers/net/xen-netback/hash.c |
817 | @@ -332,20 +332,22 @@ u32 xenvif_set_hash_mapping_size(struct xenvif *vif, u32 size) |
818 | u32 xenvif_set_hash_mapping(struct xenvif *vif, u32 gref, u32 len, |
819 | u32 off) |
820 | { |
821 | - u32 *mapping = &vif->hash.mapping[off]; |
822 | + u32 *mapping = vif->hash.mapping; |
823 | struct gnttab_copy copy_op = { |
824 | .source.u.ref = gref, |
825 | .source.domid = vif->domid, |
826 | - .dest.u.gmfn = virt_to_gfn(mapping), |
827 | .dest.domid = DOMID_SELF, |
828 | - .dest.offset = xen_offset_in_page(mapping), |
829 | - .len = len * sizeof(u32), |
830 | + .len = len * sizeof(*mapping), |
831 | .flags = GNTCOPY_source_gref |
832 | }; |
833 | |
834 | - if ((off + len > vif->hash.size) || copy_op.len > XEN_PAGE_SIZE) |
835 | + if ((off + len < off) || (off + len > vif->hash.size) || |
836 | + len > XEN_PAGE_SIZE / sizeof(*mapping)) |
837 | return XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER; |
838 | |
839 | + copy_op.dest.u.gmfn = virt_to_gfn(mapping + off); |
840 | + copy_op.dest.offset = xen_offset_in_page(mapping + off); |
841 | + |
842 | while (len-- != 0) |
843 | if (mapping[off++] >= vif->num_queues) |
844 | return XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER; |
845 | diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c |
846 | index 7deb7b5d8683..058d542647dd 100644 |
847 | --- a/drivers/nvme/host/fc.c |
848 | +++ b/drivers/nvme/host/fc.c |
849 | @@ -2868,6 +2868,10 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, |
850 | } |
851 | |
852 | if (ret) { |
853 | + nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING); |
854 | + cancel_work_sync(&ctrl->ctrl.reset_work); |
855 | + cancel_delayed_work_sync(&ctrl->connect_work); |
856 | + |
857 | /* couldn't schedule retry - fail out */ |
858 | dev_err(ctrl->ctrl.device, |
859 | "NVME-FC{%d}: Connect retry failed\n", ctrl->cnum); |
860 | diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c |
861 | index 985a85f281a8..7c6aff761800 100644 |
862 | --- a/drivers/of/unittest.c |
863 | +++ b/drivers/of/unittest.c |
864 | @@ -614,6 +614,9 @@ static void __init of_unittest_parse_interrupts(void) |
865 | struct of_phandle_args args; |
866 | int i, rc; |
867 | |
868 | + if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) |
869 | + return; |
870 | + |
871 | np = of_find_node_by_path("/testcase-data/interrupts/interrupts0"); |
872 | if (!np) { |
873 | pr_err("missing testcase data\n"); |
874 | @@ -688,6 +691,9 @@ static void __init of_unittest_parse_interrupts_extended(void) |
875 | struct of_phandle_args args; |
876 | int i, rc; |
877 | |
878 | + if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) |
879 | + return; |
880 | + |
881 | np = of_find_node_by_path("/testcase-data/interrupts/interrupts-extended0"); |
882 | if (!np) { |
883 | pr_err("missing testcase data\n"); |
884 | @@ -844,15 +850,19 @@ static void __init of_unittest_platform_populate(void) |
885 | pdev = of_find_device_by_node(np); |
886 | unittest(pdev, "device 1 creation failed\n"); |
887 | |
888 | - irq = platform_get_irq(pdev, 0); |
889 | - unittest(irq == -EPROBE_DEFER, "device deferred probe failed - %d\n", irq); |
890 | + if (!(of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)) { |
891 | + irq = platform_get_irq(pdev, 0); |
892 | + unittest(irq == -EPROBE_DEFER, |
893 | + "device deferred probe failed - %d\n", irq); |
894 | |
895 | - /* Test that a parsing failure does not return -EPROBE_DEFER */ |
896 | - np = of_find_node_by_path("/testcase-data/testcase-device2"); |
897 | - pdev = of_find_device_by_node(np); |
898 | - unittest(pdev, "device 2 creation failed\n"); |
899 | - irq = platform_get_irq(pdev, 0); |
900 | - unittest(irq < 0 && irq != -EPROBE_DEFER, "device parsing error failed - %d\n", irq); |
901 | + /* Test that a parsing failure does not return -EPROBE_DEFER */ |
902 | + np = of_find_node_by_path("/testcase-data/testcase-device2"); |
903 | + pdev = of_find_device_by_node(np); |
904 | + unittest(pdev, "device 2 creation failed\n"); |
905 | + irq = platform_get_irq(pdev, 0); |
906 | + unittest(irq < 0 && irq != -EPROBE_DEFER, |
907 | + "device parsing error failed - %d\n", irq); |
908 | + } |
909 | |
910 | np = of_find_node_by_path("/testcase-data/platform-tests"); |
911 | unittest(np, "No testcase data in device tree\n"); |
912 | diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c |
913 | index 22924629e64a..1af30c881566 100644 |
914 | --- a/drivers/pci/pci.c |
915 | +++ b/drivers/pci/pci.c |
916 | @@ -1112,12 +1112,12 @@ int pci_save_state(struct pci_dev *dev) |
917 | EXPORT_SYMBOL(pci_save_state); |
918 | |
919 | static void pci_restore_config_dword(struct pci_dev *pdev, int offset, |
920 | - u32 saved_val, int retry) |
921 | + u32 saved_val, int retry, bool force) |
922 | { |
923 | u32 val; |
924 | |
925 | pci_read_config_dword(pdev, offset, &val); |
926 | - if (val == saved_val) |
927 | + if (!force && val == saved_val) |
928 | return; |
929 | |
930 | for (;;) { |
931 | @@ -1136,25 +1136,36 @@ static void pci_restore_config_dword(struct pci_dev *pdev, int offset, |
932 | } |
933 | |
934 | static void pci_restore_config_space_range(struct pci_dev *pdev, |
935 | - int start, int end, int retry) |
936 | + int start, int end, int retry, |
937 | + bool force) |
938 | { |
939 | int index; |
940 | |
941 | for (index = end; index >= start; index--) |
942 | pci_restore_config_dword(pdev, 4 * index, |
943 | pdev->saved_config_space[index], |
944 | - retry); |
945 | + retry, force); |
946 | } |
947 | |
948 | static void pci_restore_config_space(struct pci_dev *pdev) |
949 | { |
950 | if (pdev->hdr_type == PCI_HEADER_TYPE_NORMAL) { |
951 | - pci_restore_config_space_range(pdev, 10, 15, 0); |
952 | + pci_restore_config_space_range(pdev, 10, 15, 0, false); |
953 | /* Restore BARs before the command register. */ |
954 | - pci_restore_config_space_range(pdev, 4, 9, 10); |
955 | - pci_restore_config_space_range(pdev, 0, 3, 0); |
956 | + pci_restore_config_space_range(pdev, 4, 9, 10, false); |
957 | + pci_restore_config_space_range(pdev, 0, 3, 0, false); |
958 | + } else if (pdev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { |
959 | + pci_restore_config_space_range(pdev, 12, 15, 0, false); |
960 | + |
961 | + /* |
962 | + * Force rewriting of prefetch registers to avoid S3 resume |
963 | + * issues on Intel PCI bridges that occur when these |
964 | + * registers are not explicitly written. |
965 | + */ |
966 | + pci_restore_config_space_range(pdev, 9, 11, 0, true); |
967 | + pci_restore_config_space_range(pdev, 0, 8, 0, false); |
968 | } else { |
969 | - pci_restore_config_space_range(pdev, 0, 15, 0); |
970 | + pci_restore_config_space_range(pdev, 0, 15, 0, false); |
971 | } |
972 | } |
973 | |
974 | diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c |
975 | index 562d31073f9a..8d65b2f9ee80 100644 |
976 | --- a/drivers/tty/tty_io.c |
977 | +++ b/drivers/tty/tty_io.c |
978 | @@ -1254,6 +1254,7 @@ static void tty_driver_remove_tty(struct tty_driver *driver, struct tty_struct * |
979 | static int tty_reopen(struct tty_struct *tty) |
980 | { |
981 | struct tty_driver *driver = tty->driver; |
982 | + int retval; |
983 | |
984 | if (driver->type == TTY_DRIVER_TYPE_PTY && |
985 | driver->subtype == PTY_TYPE_MASTER) |
986 | @@ -1267,10 +1268,14 @@ static int tty_reopen(struct tty_struct *tty) |
987 | |
988 | tty->count++; |
989 | |
990 | - if (!tty->ldisc) |
991 | - return tty_ldisc_reinit(tty, tty->termios.c_line); |
992 | + if (tty->ldisc) |
993 | + return 0; |
994 | |
995 | - return 0; |
996 | + retval = tty_ldisc_reinit(tty, tty->termios.c_line); |
997 | + if (retval) |
998 | + tty->count--; |
999 | + |
1000 | + return retval; |
1001 | } |
1002 | |
1003 | /** |
1004 | diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c |
1005 | index feaa0d8f830a..9f6f402470ac 100644 |
1006 | --- a/drivers/usb/class/cdc-acm.c |
1007 | +++ b/drivers/usb/class/cdc-acm.c |
1008 | @@ -1527,6 +1527,7 @@ static void acm_disconnect(struct usb_interface *intf) |
1009 | { |
1010 | struct acm *acm = usb_get_intfdata(intf); |
1011 | struct tty_struct *tty; |
1012 | + int i; |
1013 | |
1014 | /* sibling interface is already cleaning up */ |
1015 | if (!acm) |
1016 | @@ -1557,6 +1558,11 @@ static void acm_disconnect(struct usb_interface *intf) |
1017 | |
1018 | tty_unregister_device(acm_tty_driver, acm->minor); |
1019 | |
1020 | + usb_free_urb(acm->ctrlurb); |
1021 | + for (i = 0; i < ACM_NW; i++) |
1022 | + usb_free_urb(acm->wb[i].urb); |
1023 | + for (i = 0; i < acm->rx_buflimit; i++) |
1024 | + usb_free_urb(acm->read_urbs[i]); |
1025 | acm_write_buffers_free(acm); |
1026 | usb_free_coherent(acm->dev, acm->ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); |
1027 | acm_read_buffers_free(acm); |
1028 | diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c |
1029 | index 8fb60657ed4f..510d28a9d190 100644 |
1030 | --- a/drivers/usb/host/xhci-mtk.c |
1031 | +++ b/drivers/usb/host/xhci-mtk.c |
1032 | @@ -780,10 +780,10 @@ static int __maybe_unused xhci_mtk_resume(struct device *dev) |
1033 | xhci_mtk_host_enable(mtk); |
1034 | |
1035 | xhci_dbg(xhci, "%s: restart port polling\n", __func__); |
1036 | - set_bit(HCD_FLAG_POLL_RH, &hcd->flags); |
1037 | - usb_hcd_poll_rh_status(hcd); |
1038 | set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); |
1039 | usb_hcd_poll_rh_status(xhci->shared_hcd); |
1040 | + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); |
1041 | + usb_hcd_poll_rh_status(hcd); |
1042 | return 0; |
1043 | } |
1044 | |
1045 | diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c |
1046 | index 838d37e79fa2..9218f506f8e3 100644 |
1047 | --- a/drivers/usb/host/xhci-pci.c |
1048 | +++ b/drivers/usb/host/xhci-pci.c |
1049 | @@ -196,6 +196,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) |
1050 | } |
1051 | if (pdev->vendor == PCI_VENDOR_ID_INTEL && |
1052 | (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || |
1053 | + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || |
1054 | + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || |
1055 | pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI || |
1056 | pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) |
1057 | xhci->quirks |= XHCI_MISSING_CAS; |
1058 | diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c |
1059 | index 2674da40d9cd..6d6acf2c07c3 100644 |
1060 | --- a/drivers/usb/serial/usb-serial-simple.c |
1061 | +++ b/drivers/usb/serial/usb-serial-simple.c |
1062 | @@ -87,7 +87,8 @@ DEVICE(moto_modem, MOTO_IDS); |
1063 | |
1064 | /* Motorola Tetra driver */ |
1065 | #define MOTOROLA_TETRA_IDS() \ |
1066 | - { USB_DEVICE(0x0cad, 0x9011) } /* Motorola Solutions TETRA PEI */ |
1067 | + { USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \ |
1068 | + { USB_DEVICE(0x0cad, 0x9012) } /* MTP6550 */ |
1069 | DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS); |
1070 | |
1071 | /* Novatel Wireless GPS driver */ |
1072 | diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c |
1073 | index ef69273074ba..a3edb20ea4c3 100644 |
1074 | --- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c |
1075 | +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c |
1076 | @@ -496,6 +496,9 @@ static int omapfb_memory_read(struct fb_info *fbi, |
1077 | if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size)) |
1078 | return -EFAULT; |
1079 | |
1080 | + if (mr->w > 4096 || mr->h > 4096) |
1081 | + return -EINVAL; |
1082 | + |
1083 | if (mr->w * mr->h * 3 > mr->buffer_size) |
1084 | return -EINVAL; |
1085 | |
1086 | @@ -509,7 +512,7 @@ static int omapfb_memory_read(struct fb_info *fbi, |
1087 | mr->x, mr->y, mr->w, mr->h); |
1088 | |
1089 | if (r > 0) { |
1090 | - if (copy_to_user(mr->buffer, buf, mr->buffer_size)) |
1091 | + if (copy_to_user(mr->buffer, buf, r)) |
1092 | r = -EFAULT; |
1093 | } |
1094 | |
1095 | diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c |
1096 | index 36c9fbf70d44..d9873aa014a6 100644 |
1097 | --- a/drivers/virtio/virtio_balloon.c |
1098 | +++ b/drivers/virtio/virtio_balloon.c |
1099 | @@ -143,16 +143,17 @@ static void set_page_pfns(struct virtio_balloon *vb, |
1100 | |
1101 | static unsigned fill_balloon(struct virtio_balloon *vb, size_t num) |
1102 | { |
1103 | - struct balloon_dev_info *vb_dev_info = &vb->vb_dev_info; |
1104 | unsigned num_allocated_pages; |
1105 | + unsigned num_pfns; |
1106 | + struct page *page; |
1107 | + LIST_HEAD(pages); |
1108 | |
1109 | /* We can only do one array worth at a time. */ |
1110 | num = min(num, ARRAY_SIZE(vb->pfns)); |
1111 | |
1112 | - mutex_lock(&vb->balloon_lock); |
1113 | - for (vb->num_pfns = 0; vb->num_pfns < num; |
1114 | - vb->num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE) { |
1115 | - struct page *page = balloon_page_enqueue(vb_dev_info); |
1116 | + for (num_pfns = 0; num_pfns < num; |
1117 | + num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE) { |
1118 | + struct page *page = balloon_page_alloc(); |
1119 | |
1120 | if (!page) { |
1121 | dev_info_ratelimited(&vb->vdev->dev, |
1122 | @@ -162,11 +163,23 @@ static unsigned fill_balloon(struct virtio_balloon *vb, size_t num) |
1123 | msleep(200); |
1124 | break; |
1125 | } |
1126 | + |
1127 | + balloon_page_push(&pages, page); |
1128 | + } |
1129 | + |
1130 | + mutex_lock(&vb->balloon_lock); |
1131 | + |
1132 | + vb->num_pfns = 0; |
1133 | + |
1134 | + while ((page = balloon_page_pop(&pages))) { |
1135 | + balloon_page_enqueue(&vb->vb_dev_info, page); |
1136 | + |
1137 | set_page_pfns(vb, vb->pfns + vb->num_pfns, page); |
1138 | vb->num_pages += VIRTIO_BALLOON_PAGES_PER_PAGE; |
1139 | if (!virtio_has_feature(vb->vdev, |
1140 | VIRTIO_BALLOON_F_DEFLATE_ON_OOM)) |
1141 | adjust_managed_page_count(page, -1); |
1142 | + vb->num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE; |
1143 | } |
1144 | |
1145 | num_allocated_pages = vb->num_pfns; |
1146 | diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c |
1147 | index c282e21f5b5e..41fce930f44c 100644 |
1148 | --- a/fs/f2fs/checkpoint.c |
1149 | +++ b/fs/f2fs/checkpoint.c |
1150 | @@ -708,6 +708,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr, |
1151 | |
1152 | crc_offset = le32_to_cpu((*cp_block)->checksum_offset); |
1153 | if (crc_offset > (blk_size - sizeof(__le32))) { |
1154 | + f2fs_put_page(*cp_page, 1); |
1155 | f2fs_msg(sbi->sb, KERN_WARNING, |
1156 | "invalid crc_offset: %zu", crc_offset); |
1157 | return -EINVAL; |
1158 | @@ -715,6 +716,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr, |
1159 | |
1160 | crc = cur_cp_crc(*cp_block); |
1161 | if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) { |
1162 | + f2fs_put_page(*cp_page, 1); |
1163 | f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value"); |
1164 | return -EINVAL; |
1165 | } |
1166 | @@ -734,14 +736,14 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, |
1167 | err = get_checkpoint_version(sbi, cp_addr, &cp_block, |
1168 | &cp_page_1, version); |
1169 | if (err) |
1170 | - goto invalid_cp1; |
1171 | + return NULL; |
1172 | pre_version = *version; |
1173 | |
1174 | cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1; |
1175 | err = get_checkpoint_version(sbi, cp_addr, &cp_block, |
1176 | &cp_page_2, version); |
1177 | if (err) |
1178 | - goto invalid_cp2; |
1179 | + goto invalid_cp; |
1180 | cur_version = *version; |
1181 | |
1182 | if (cur_version == pre_version) { |
1183 | @@ -749,9 +751,8 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, |
1184 | f2fs_put_page(cp_page_2, 1); |
1185 | return cp_page_1; |
1186 | } |
1187 | -invalid_cp2: |
1188 | f2fs_put_page(cp_page_2, 1); |
1189 | -invalid_cp1: |
1190 | +invalid_cp: |
1191 | f2fs_put_page(cp_page_1, 1); |
1192 | return NULL; |
1193 | } |
1194 | diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c |
1195 | index e1cd3dcf5a03..ad827cf642fe 100644 |
1196 | --- a/fs/ubifs/super.c |
1197 | +++ b/fs/ubifs/super.c |
1198 | @@ -1930,6 +1930,9 @@ static struct ubi_volume_desc *open_ubi(const char *name, int mode) |
1199 | int dev, vol; |
1200 | char *endptr; |
1201 | |
1202 | + if (!name || !*name) |
1203 | + return ERR_PTR(-EINVAL); |
1204 | + |
1205 | /* First, try to open using the device node path method */ |
1206 | ubi = ubi_open_volume_path(name, mode); |
1207 | if (!IS_ERR(ubi)) |
1208 | diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h |
1209 | index fbbe6da40fed..53051f3d8f25 100644 |
1210 | --- a/include/linux/balloon_compaction.h |
1211 | +++ b/include/linux/balloon_compaction.h |
1212 | @@ -50,6 +50,7 @@ |
1213 | #include <linux/gfp.h> |
1214 | #include <linux/err.h> |
1215 | #include <linux/fs.h> |
1216 | +#include <linux/list.h> |
1217 | |
1218 | /* |
1219 | * Balloon device information descriptor. |
1220 | @@ -67,7 +68,9 @@ struct balloon_dev_info { |
1221 | struct inode *inode; |
1222 | }; |
1223 | |
1224 | -extern struct page *balloon_page_enqueue(struct balloon_dev_info *b_dev_info); |
1225 | +extern struct page *balloon_page_alloc(void); |
1226 | +extern void balloon_page_enqueue(struct balloon_dev_info *b_dev_info, |
1227 | + struct page *page); |
1228 | extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info); |
1229 | |
1230 | static inline void balloon_devinfo_init(struct balloon_dev_info *balloon) |
1231 | @@ -193,4 +196,34 @@ static inline gfp_t balloon_mapping_gfp_mask(void) |
1232 | } |
1233 | |
1234 | #endif /* CONFIG_BALLOON_COMPACTION */ |
1235 | + |
1236 | +/* |
1237 | + * balloon_page_push - insert a page into a page list. |
1238 | + * @head : pointer to list |
1239 | + * @page : page to be added |
1240 | + * |
1241 | + * Caller must ensure the page is private and protect the list. |
1242 | + */ |
1243 | +static inline void balloon_page_push(struct list_head *pages, struct page *page) |
1244 | +{ |
1245 | + list_add(&page->lru, pages); |
1246 | +} |
1247 | + |
1248 | +/* |
1249 | + * balloon_page_pop - remove a page from a page list. |
1250 | + * @head : pointer to list |
1251 | + * @page : page to be added |
1252 | + * |
1253 | + * Caller must ensure the page is private and protect the list. |
1254 | + */ |
1255 | +static inline struct page *balloon_page_pop(struct list_head *pages) |
1256 | +{ |
1257 | + struct page *page = list_first_entry_or_null(pages, struct page, lru); |
1258 | + |
1259 | + if (!page) |
1260 | + return NULL; |
1261 | + |
1262 | + list_del(&page->lru); |
1263 | + return page; |
1264 | +} |
1265 | #endif /* _LINUX_BALLOON_COMPACTION_H */ |
1266 | diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h |
1267 | index 82a25880714a..7aa2de25c09c 100644 |
1268 | --- a/include/linux/hugetlb.h |
1269 | +++ b/include/linux/hugetlb.h |
1270 | @@ -140,6 +140,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, |
1271 | pte_t *huge_pte_offset(struct mm_struct *mm, |
1272 | unsigned long addr, unsigned long sz); |
1273 | int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep); |
1274 | +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, |
1275 | + unsigned long *start, unsigned long *end); |
1276 | struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address, |
1277 | int write); |
1278 | struct page *follow_huge_pd(struct vm_area_struct *vma, |
1279 | @@ -169,6 +171,18 @@ static inline unsigned long hugetlb_total_pages(void) |
1280 | return 0; |
1281 | } |
1282 | |
1283 | +static inline int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, |
1284 | + pte_t *ptep) |
1285 | +{ |
1286 | + return 0; |
1287 | +} |
1288 | + |
1289 | +static inline void adjust_range_if_pmd_sharing_possible( |
1290 | + struct vm_area_struct *vma, |
1291 | + unsigned long *start, unsigned long *end) |
1292 | +{ |
1293 | +} |
1294 | + |
1295 | #define follow_hugetlb_page(m,v,p,vs,a,b,i,w,n) ({ BUG(); 0; }) |
1296 | #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) |
1297 | #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) |
1298 | diff --git a/include/linux/mm.h b/include/linux/mm.h |
1299 | index a26cf767407e..58f2263de4de 100644 |
1300 | --- a/include/linux/mm.h |
1301 | +++ b/include/linux/mm.h |
1302 | @@ -2322,6 +2322,12 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm, |
1303 | return vma; |
1304 | } |
1305 | |
1306 | +static inline bool range_in_vma(struct vm_area_struct *vma, |
1307 | + unsigned long start, unsigned long end) |
1308 | +{ |
1309 | + return (vma && vma->vm_start <= start && end <= vma->vm_end); |
1310 | +} |
1311 | + |
1312 | #ifdef CONFIG_MMU |
1313 | pgprot_t vm_get_page_prot(unsigned long vm_flags); |
1314 | void vma_set_page_prot(struct vm_area_struct *vma); |
1315 | diff --git a/kernel/events/core.c b/kernel/events/core.c |
1316 | index 812ebf1cbb87..4dbce29a9313 100644 |
1317 | --- a/kernel/events/core.c |
1318 | +++ b/kernel/events/core.c |
1319 | @@ -3757,6 +3757,12 @@ int perf_event_read_local(struct perf_event *event, u64 *value) |
1320 | goto out; |
1321 | } |
1322 | |
1323 | + /* If this is a pinned event it must be running on this CPU */ |
1324 | + if (event->attr.pinned && event->oncpu != smp_processor_id()) { |
1325 | + ret = -EBUSY; |
1326 | + goto out; |
1327 | + } |
1328 | + |
1329 | /* |
1330 | * If the event is currently on this CPU, its either a per-task event, |
1331 | * or local to this CPU. Furthermore it means its ACTIVE (otherwise |
1332 | diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c |
1333 | index 68d28924ba79..ef858d547e2d 100644 |
1334 | --- a/mm/balloon_compaction.c |
1335 | +++ b/mm/balloon_compaction.c |
1336 | @@ -10,23 +10,38 @@ |
1337 | #include <linux/export.h> |
1338 | #include <linux/balloon_compaction.h> |
1339 | |
1340 | +/* |
1341 | + * balloon_page_alloc - allocates a new page for insertion into the balloon |
1342 | + * page list. |
1343 | + * |
1344 | + * Driver must call it to properly allocate a new enlisted balloon page. |
1345 | + * Driver must call balloon_page_enqueue before definitively removing it from |
1346 | + * the guest system. This function returns the page address for the recently |
1347 | + * allocated page or NULL in the case we fail to allocate a new page this turn. |
1348 | + */ |
1349 | +struct page *balloon_page_alloc(void) |
1350 | +{ |
1351 | + struct page *page = alloc_page(balloon_mapping_gfp_mask() | |
1352 | + __GFP_NOMEMALLOC | __GFP_NORETRY); |
1353 | + return page; |
1354 | +} |
1355 | +EXPORT_SYMBOL_GPL(balloon_page_alloc); |
1356 | + |
1357 | /* |
1358 | * balloon_page_enqueue - allocates a new page and inserts it into the balloon |
1359 | * page list. |
1360 | * @b_dev_info: balloon device descriptor where we will insert a new page to |
1361 | + * @page: new page to enqueue - allocated using balloon_page_alloc. |
1362 | * |
1363 | - * Driver must call it to properly allocate a new enlisted balloon page |
1364 | + * Driver must call it to properly enqueue a new allocated balloon page |
1365 | * before definitively removing it from the guest system. |
1366 | * This function returns the page address for the recently enqueued page or |
1367 | * NULL in the case we fail to allocate a new page this turn. |
1368 | */ |
1369 | -struct page *balloon_page_enqueue(struct balloon_dev_info *b_dev_info) |
1370 | +void balloon_page_enqueue(struct balloon_dev_info *b_dev_info, |
1371 | + struct page *page) |
1372 | { |
1373 | unsigned long flags; |
1374 | - struct page *page = alloc_page(balloon_mapping_gfp_mask() | |
1375 | - __GFP_NOMEMALLOC | __GFP_NORETRY); |
1376 | - if (!page) |
1377 | - return NULL; |
1378 | |
1379 | /* |
1380 | * Block others from accessing the 'page' when we get around to |
1381 | @@ -39,7 +54,6 @@ struct page *balloon_page_enqueue(struct balloon_dev_info *b_dev_info) |
1382 | __count_vm_event(BALLOON_INFLATE); |
1383 | spin_unlock_irqrestore(&b_dev_info->pages_lock, flags); |
1384 | unlock_page(page); |
1385 | - return page; |
1386 | } |
1387 | EXPORT_SYMBOL_GPL(balloon_page_enqueue); |
1388 | |
1389 | diff --git a/mm/huge_memory.c b/mm/huge_memory.c |
1390 | index 255469f78217..174612f8339c 100644 |
1391 | --- a/mm/huge_memory.c |
1392 | +++ b/mm/huge_memory.c |
1393 | @@ -2886,7 +2886,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new) |
1394 | flush_cache_range(vma, mmun_start, mmun_start + HPAGE_PMD_SIZE); |
1395 | page_add_anon_rmap(new, vma, mmun_start, true); |
1396 | set_pmd_at(mm, mmun_start, pvmw->pmd, pmde); |
1397 | - if (vma->vm_flags & VM_LOCKED) |
1398 | + if ((vma->vm_flags & VM_LOCKED) && !PageDoubleMap(new)) |
1399 | mlock_vma_page(new); |
1400 | update_mmu_cache_pmd(vma, address, pvmw->pmd); |
1401 | } |
1402 | diff --git a/mm/hugetlb.c b/mm/hugetlb.c |
1403 | index dfd2947e046e..9801dc0250e2 100644 |
1404 | --- a/mm/hugetlb.c |
1405 | +++ b/mm/hugetlb.c |
1406 | @@ -4517,12 +4517,40 @@ static bool vma_shareable(struct vm_area_struct *vma, unsigned long addr) |
1407 | /* |
1408 | * check on proper vm_flags and page table alignment |
1409 | */ |
1410 | - if (vma->vm_flags & VM_MAYSHARE && |
1411 | - vma->vm_start <= base && end <= vma->vm_end) |
1412 | + if (vma->vm_flags & VM_MAYSHARE && range_in_vma(vma, base, end)) |
1413 | return true; |
1414 | return false; |
1415 | } |
1416 | |
1417 | +/* |
1418 | + * Determine if start,end range within vma could be mapped by shared pmd. |
1419 | + * If yes, adjust start and end to cover range associated with possible |
1420 | + * shared pmd mappings. |
1421 | + */ |
1422 | +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, |
1423 | + unsigned long *start, unsigned long *end) |
1424 | +{ |
1425 | + unsigned long check_addr = *start; |
1426 | + |
1427 | + if (!(vma->vm_flags & VM_MAYSHARE)) |
1428 | + return; |
1429 | + |
1430 | + for (check_addr = *start; check_addr < *end; check_addr += PUD_SIZE) { |
1431 | + unsigned long a_start = check_addr & PUD_MASK; |
1432 | + unsigned long a_end = a_start + PUD_SIZE; |
1433 | + |
1434 | + /* |
1435 | + * If sharing is possible, adjust start/end if necessary. |
1436 | + */ |
1437 | + if (range_in_vma(vma, a_start, a_end)) { |
1438 | + if (a_start < *start) |
1439 | + *start = a_start; |
1440 | + if (a_end > *end) |
1441 | + *end = a_end; |
1442 | + } |
1443 | + } |
1444 | +} |
1445 | + |
1446 | /* |
1447 | * Search for a shareable pmd page for hugetlb. In any case calls pmd_alloc() |
1448 | * and returns the corresponding pte. While this is not necessary for the |
1449 | @@ -4620,6 +4648,11 @@ int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep) |
1450 | { |
1451 | return 0; |
1452 | } |
1453 | + |
1454 | +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, |
1455 | + unsigned long *start, unsigned long *end) |
1456 | +{ |
1457 | +} |
1458 | #define want_pmd_share() (0) |
1459 | #endif /* CONFIG_ARCH_WANT_HUGE_PMD_SHARE */ |
1460 | |
1461 | diff --git a/mm/migrate.c b/mm/migrate.c |
1462 | index 1236449b4777..cbb025239071 100644 |
1463 | --- a/mm/migrate.c |
1464 | +++ b/mm/migrate.c |
1465 | @@ -274,6 +274,9 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma, |
1466 | if (vma->vm_flags & VM_LOCKED && !PageTransCompound(new)) |
1467 | mlock_vma_page(new); |
1468 | |
1469 | + if (PageTransHuge(page) && PageMlocked(page)) |
1470 | + clear_page_mlock(page); |
1471 | + |
1472 | /* No need to invalidate - it was non-present before */ |
1473 | update_mmu_cache(vma, pvmw.address, pvmw.pte); |
1474 | } |
1475 | diff --git a/mm/rmap.c b/mm/rmap.c |
1476 | index 97edcf44d88c..8bd2ddd8febd 100644 |
1477 | --- a/mm/rmap.c |
1478 | +++ b/mm/rmap.c |
1479 | @@ -1358,11 +1358,21 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, |
1480 | } |
1481 | |
1482 | /* |
1483 | - * We have to assume the worse case ie pmd for invalidation. Note that |
1484 | - * the page can not be free in this function as call of try_to_unmap() |
1485 | - * must hold a reference on the page. |
1486 | + * For THP, we have to assume the worse case ie pmd for invalidation. |
1487 | + * For hugetlb, it could be much worse if we need to do pud |
1488 | + * invalidation in the case of pmd sharing. |
1489 | + * |
1490 | + * Note that the page can not be free in this function as call of |
1491 | + * try_to_unmap() must hold a reference on the page. |
1492 | */ |
1493 | end = min(vma->vm_end, start + (PAGE_SIZE << compound_order(page))); |
1494 | + if (PageHuge(page)) { |
1495 | + /* |
1496 | + * If sharing is possible, start and end will be adjusted |
1497 | + * accordingly. |
1498 | + */ |
1499 | + adjust_range_if_pmd_sharing_possible(vma, &start, &end); |
1500 | + } |
1501 | mmu_notifier_invalidate_range_start(vma->vm_mm, start, end); |
1502 | |
1503 | while (page_vma_mapped_walk(&pvmw)) { |
1504 | @@ -1408,6 +1418,32 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, |
1505 | subpage = page - page_to_pfn(page) + pte_pfn(*pvmw.pte); |
1506 | address = pvmw.address; |
1507 | |
1508 | + if (PageHuge(page)) { |
1509 | + if (huge_pmd_unshare(mm, &address, pvmw.pte)) { |
1510 | + /* |
1511 | + * huge_pmd_unshare unmapped an entire PMD |
1512 | + * page. There is no way of knowing exactly |
1513 | + * which PMDs may be cached for this mm, so |
1514 | + * we must flush them all. start/end were |
1515 | + * already adjusted above to cover this range. |
1516 | + */ |
1517 | + flush_cache_range(vma, start, end); |
1518 | + flush_tlb_range(vma, start, end); |
1519 | + mmu_notifier_invalidate_range(mm, start, end); |
1520 | + |
1521 | + /* |
1522 | + * The ref count of the PMD page was dropped |
1523 | + * which is part of the way map counting |
1524 | + * is done for shared PMDs. Return 'true' |
1525 | + * here. When there is no other sharing, |
1526 | + * huge_pmd_unshare returns false and we will |
1527 | + * unmap the actual page and drop map count |
1528 | + * to zero. |
1529 | + */ |
1530 | + page_vma_mapped_walk_done(&pvmw); |
1531 | + break; |
1532 | + } |
1533 | + } |
1534 | |
1535 | if (IS_ENABLED(CONFIG_MIGRATION) && |
1536 | (flags & TTU_MIGRATION) && |
1537 | diff --git a/mm/vmstat.c b/mm/vmstat.c |
1538 | index 4bb13e72ac97..2bdc962b2dfe 100644 |
1539 | --- a/mm/vmstat.c |
1540 | +++ b/mm/vmstat.c |
1541 | @@ -1203,6 +1203,9 @@ const char * const vmstat_text[] = { |
1542 | #ifdef CONFIG_SMP |
1543 | "nr_tlb_remote_flush", |
1544 | "nr_tlb_remote_flush_received", |
1545 | +#else |
1546 | + "", /* nr_tlb_remote_flush */ |
1547 | + "", /* nr_tlb_remote_flush_received */ |
1548 | #endif /* CONFIG_SMP */ |
1549 | "nr_tlb_local_flush_all", |
1550 | "nr_tlb_local_flush_one", |
1551 | diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c |
1552 | index b456b882a6ea..63558335e41e 100644 |
1553 | --- a/net/mac80211/cfg.c |
1554 | +++ b/net/mac80211/cfg.c |
1555 | @@ -426,7 +426,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
1556 | case NL80211_IFTYPE_AP: |
1557 | case NL80211_IFTYPE_AP_VLAN: |
1558 | /* Keys without a station are used for TX only */ |
1559 | - if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) |
1560 | + if (sta && test_sta_flag(sta, WLAN_STA_MFP)) |
1561 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; |
1562 | break; |
1563 | case NL80211_IFTYPE_ADHOC: |
1564 | diff --git a/net/rds/ib.h b/net/rds/ib.h |
1565 | index 86a8578d95b8..7db93f7f5c61 100644 |
1566 | --- a/net/rds/ib.h |
1567 | +++ b/net/rds/ib.h |
1568 | @@ -373,7 +373,7 @@ void rds_ib_mr_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc); |
1569 | int rds_ib_recv_init(void); |
1570 | void rds_ib_recv_exit(void); |
1571 | int rds_ib_recv_path(struct rds_conn_path *conn); |
1572 | -int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic); |
1573 | +int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic, gfp_t gfp); |
1574 | void rds_ib_recv_free_caches(struct rds_ib_connection *ic); |
1575 | void rds_ib_recv_refill(struct rds_connection *conn, int prefill, gfp_t gfp); |
1576 | void rds_ib_inc_free(struct rds_incoming *inc); |
1577 | diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c |
1578 | index 6e721c449c4b..e086395a2355 100644 |
1579 | --- a/net/rds/ib_cm.c |
1580 | +++ b/net/rds/ib_cm.c |
1581 | @@ -946,7 +946,7 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp) |
1582 | if (!ic) |
1583 | return -ENOMEM; |
1584 | |
1585 | - ret = rds_ib_recv_alloc_caches(ic); |
1586 | + ret = rds_ib_recv_alloc_caches(ic, gfp); |
1587 | if (ret) { |
1588 | kfree(ic); |
1589 | return ret; |
1590 | diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c |
1591 | index b4e421aa9727..918d2e676b9b 100644 |
1592 | --- a/net/rds/ib_recv.c |
1593 | +++ b/net/rds/ib_recv.c |
1594 | @@ -98,12 +98,12 @@ static void rds_ib_cache_xfer_to_ready(struct rds_ib_refill_cache *cache) |
1595 | } |
1596 | } |
1597 | |
1598 | -static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache) |
1599 | +static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache, gfp_t gfp) |
1600 | { |
1601 | struct rds_ib_cache_head *head; |
1602 | int cpu; |
1603 | |
1604 | - cache->percpu = alloc_percpu(struct rds_ib_cache_head); |
1605 | + cache->percpu = alloc_percpu_gfp(struct rds_ib_cache_head, gfp); |
1606 | if (!cache->percpu) |
1607 | return -ENOMEM; |
1608 | |
1609 | @@ -118,13 +118,13 @@ static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache) |
1610 | return 0; |
1611 | } |
1612 | |
1613 | -int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic) |
1614 | +int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic, gfp_t gfp) |
1615 | { |
1616 | int ret; |
1617 | |
1618 | - ret = rds_ib_recv_alloc_cache(&ic->i_cache_incs); |
1619 | + ret = rds_ib_recv_alloc_cache(&ic->i_cache_incs, gfp); |
1620 | if (!ret) { |
1621 | - ret = rds_ib_recv_alloc_cache(&ic->i_cache_frags); |
1622 | + ret = rds_ib_recv_alloc_cache(&ic->i_cache_frags, gfp); |
1623 | if (ret) |
1624 | free_percpu(ic->i_cache_incs.percpu); |
1625 | } |
1626 | diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c |
1627 | index 615fdc63452e..e37653b0f2d0 100644 |
1628 | --- a/tools/perf/builtin-script.c |
1629 | +++ b/tools/perf/builtin-script.c |
1630 | @@ -25,6 +25,7 @@ |
1631 | #include "util/string2.h" |
1632 | #include "util/thread-stack.h" |
1633 | #include "util/time-utils.h" |
1634 | +#include "util/path.h" |
1635 | #include "print_binary.h" |
1636 | #include <linux/bitmap.h> |
1637 | #include <linux/kernel.h> |
1638 | @@ -2129,19 +2130,6 @@ out: |
1639 | return rc; |
1640 | } |
1641 | |
1642 | -/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
1643 | -static int is_directory(const char *base_path, const struct dirent *dent) |
1644 | -{ |
1645 | - char path[PATH_MAX]; |
1646 | - struct stat st; |
1647 | - |
1648 | - sprintf(path, "%s/%s", base_path, dent->d_name); |
1649 | - if (stat(path, &st)) |
1650 | - return 0; |
1651 | - |
1652 | - return S_ISDIR(st.st_mode); |
1653 | -} |
1654 | - |
1655 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ |
1656 | while ((lang_dirent = readdir(scripts_dir)) != NULL) \ |
1657 | if ((lang_dirent->d_type == DT_DIR || \ |
1658 | diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c |
1659 | index dac76ac117c1..398d4cc2f0e4 100644 |
1660 | --- a/tools/perf/util/annotate.c |
1661 | +++ b/tools/perf/util/annotate.c |
1662 | @@ -1432,7 +1432,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, |
1663 | struct arch **parch, char *cpuid) |
1664 | { |
1665 | struct dso *dso = map->dso; |
1666 | - char command[PATH_MAX * 2]; |
1667 | + char *command; |
1668 | struct arch *arch = NULL; |
1669 | FILE *file; |
1670 | char symfs_filename[PATH_MAX]; |
1671 | @@ -1496,7 +1496,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, |
1672 | strcpy(symfs_filename, tmp); |
1673 | } |
1674 | |
1675 | - snprintf(command, sizeof(command), |
1676 | + err = asprintf(&command, |
1677 | "%s %s%s --start-address=0x%016" PRIx64 |
1678 | " --stop-address=0x%016" PRIx64 |
1679 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
1680 | @@ -1509,12 +1509,17 @@ int symbol__disassemble(struct symbol *sym, struct map *map, |
1681 | symbol_conf.annotate_src ? "-S" : "", |
1682 | symfs_filename, symfs_filename); |
1683 | |
1684 | + if (err < 0) { |
1685 | + pr_err("Failure allocating memory for the command to run\n"); |
1686 | + goto out_remove_tmp; |
1687 | + } |
1688 | + |
1689 | pr_debug("Executing: %s\n", command); |
1690 | |
1691 | err = -1; |
1692 | if (pipe(stdout_fd) < 0) { |
1693 | pr_err("Failure creating the pipe to run %s\n", command); |
1694 | - goto out_remove_tmp; |
1695 | + goto out_free_command; |
1696 | } |
1697 | |
1698 | pid = fork(); |
1699 | @@ -1541,7 +1546,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, |
1700 | * If we were using debug info should retry with |
1701 | * original binary. |
1702 | */ |
1703 | - goto out_remove_tmp; |
1704 | + goto out_free_command; |
1705 | } |
1706 | |
1707 | nline = 0; |
1708 | @@ -1570,6 +1575,8 @@ int symbol__disassemble(struct symbol *sym, struct map *map, |
1709 | |
1710 | fclose(file); |
1711 | err = 0; |
1712 | +out_free_command: |
1713 | + free(command); |
1714 | out_remove_tmp: |
1715 | close(stdout_fd[0]); |
1716 | |
1717 | @@ -1583,7 +1590,7 @@ out: |
1718 | |
1719 | out_close_stdout: |
1720 | close(stdout_fd[1]); |
1721 | - goto out_remove_tmp; |
1722 | + goto out_free_command; |
1723 | } |
1724 | |
1725 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) |
1726 | diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c |
1727 | index 933f5c6bffb4..ca56ba2dd3da 100644 |
1728 | --- a/tools/perf/util/path.c |
1729 | +++ b/tools/perf/util/path.c |
1730 | @@ -18,6 +18,7 @@ |
1731 | #include <stdio.h> |
1732 | #include <sys/types.h> |
1733 | #include <sys/stat.h> |
1734 | +#include <dirent.h> |
1735 | #include <unistd.h> |
1736 | |
1737 | static char bad_path[] = "/bad-path/"; |
1738 | @@ -77,3 +78,16 @@ bool is_regular_file(const char *file) |
1739 | |
1740 | return S_ISREG(st.st_mode); |
1741 | } |
1742 | + |
1743 | +/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
1744 | +bool is_directory(const char *base_path, const struct dirent *dent) |
1745 | +{ |
1746 | + char path[PATH_MAX]; |
1747 | + struct stat st; |
1748 | + |
1749 | + sprintf(path, "%s/%s", base_path, dent->d_name); |
1750 | + if (stat(path, &st)) |
1751 | + return false; |
1752 | + |
1753 | + return S_ISDIR(st.st_mode); |
1754 | +} |
1755 | diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h |
1756 | index 14a254ada7eb..f014f905df50 100644 |
1757 | --- a/tools/perf/util/path.h |
1758 | +++ b/tools/perf/util/path.h |
1759 | @@ -2,9 +2,12 @@ |
1760 | #ifndef _PERF_PATH_H |
1761 | #define _PERF_PATH_H |
1762 | |
1763 | +struct dirent; |
1764 | + |
1765 | int path__join(char *bf, size_t size, const char *path1, const char *path2); |
1766 | int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3); |
1767 | |
1768 | bool is_regular_file(const char *file); |
1769 | +bool is_directory(const char *base_path, const struct dirent *dent); |
1770 | |
1771 | #endif /* _PERF_PATH_H */ |
1772 | diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py |
1773 | index af415febbc46..da4df7fd43a2 100644 |
1774 | --- a/tools/perf/util/setup.py |
1775 | +++ b/tools/perf/util/setup.py |
1776 | @@ -28,6 +28,8 @@ class install_lib(_install_lib): |
1777 | cflags = getenv('CFLAGS', '').split() |
1778 | # switch off several checks (need to be at the end of cflags list) |
1779 | cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ] |
1780 | +if cc != "clang": |
1781 | + cflags += ['-Wno-cast-function-type' ] |
1782 | |
1783 | src_perf = getenv('srctree') + '/tools/perf' |
1784 | build_lib = getenv('PYTHON_EXTBUILD_LIB') |
1785 | diff --git a/tools/testing/selftests/x86/test_vdso.c b/tools/testing/selftests/x86/test_vdso.c |
1786 | index 235259011704..35edd61d1663 100644 |
1787 | --- a/tools/testing/selftests/x86/test_vdso.c |
1788 | +++ b/tools/testing/selftests/x86/test_vdso.c |
1789 | @@ -17,6 +17,7 @@ |
1790 | #include <errno.h> |
1791 | #include <sched.h> |
1792 | #include <stdbool.h> |
1793 | +#include <limits.h> |
1794 | |
1795 | #ifndef SYS_getcpu |
1796 | # ifdef __x86_64__ |
1797 | @@ -31,6 +32,14 @@ |
1798 | |
1799 | int nerrs = 0; |
1800 | |
1801 | +typedef int (*vgettime_t)(clockid_t, struct timespec *); |
1802 | + |
1803 | +vgettime_t vdso_clock_gettime; |
1804 | + |
1805 | +typedef long (*vgtod_t)(struct timeval *tv, struct timezone *tz); |
1806 | + |
1807 | +vgtod_t vdso_gettimeofday; |
1808 | + |
1809 | typedef long (*getcpu_t)(unsigned *, unsigned *, void *); |
1810 | |
1811 | getcpu_t vgetcpu; |
1812 | @@ -95,6 +104,15 @@ static void fill_function_pointers() |
1813 | printf("Warning: failed to find getcpu in vDSO\n"); |
1814 | |
1815 | vgetcpu = (getcpu_t) vsyscall_getcpu(); |
1816 | + |
1817 | + vdso_clock_gettime = (vgettime_t)dlsym(vdso, "__vdso_clock_gettime"); |
1818 | + if (!vdso_clock_gettime) |
1819 | + printf("Warning: failed to find clock_gettime in vDSO\n"); |
1820 | + |
1821 | + vdso_gettimeofday = (vgtod_t)dlsym(vdso, "__vdso_gettimeofday"); |
1822 | + if (!vdso_gettimeofday) |
1823 | + printf("Warning: failed to find gettimeofday in vDSO\n"); |
1824 | + |
1825 | } |
1826 | |
1827 | static long sys_getcpu(unsigned * cpu, unsigned * node, |
1828 | @@ -103,6 +121,16 @@ static long sys_getcpu(unsigned * cpu, unsigned * node, |
1829 | return syscall(__NR_getcpu, cpu, node, cache); |
1830 | } |
1831 | |
1832 | +static inline int sys_clock_gettime(clockid_t id, struct timespec *ts) |
1833 | +{ |
1834 | + return syscall(__NR_clock_gettime, id, ts); |
1835 | +} |
1836 | + |
1837 | +static inline int sys_gettimeofday(struct timeval *tv, struct timezone *tz) |
1838 | +{ |
1839 | + return syscall(__NR_gettimeofday, tv, tz); |
1840 | +} |
1841 | + |
1842 | static void test_getcpu(void) |
1843 | { |
1844 | printf("[RUN]\tTesting getcpu...\n"); |
1845 | @@ -155,10 +183,154 @@ static void test_getcpu(void) |
1846 | } |
1847 | } |
1848 | |
1849 | +static bool ts_leq(const struct timespec *a, const struct timespec *b) |
1850 | +{ |
1851 | + if (a->tv_sec != b->tv_sec) |
1852 | + return a->tv_sec < b->tv_sec; |
1853 | + else |
1854 | + return a->tv_nsec <= b->tv_nsec; |
1855 | +} |
1856 | + |
1857 | +static bool tv_leq(const struct timeval *a, const struct timeval *b) |
1858 | +{ |
1859 | + if (a->tv_sec != b->tv_sec) |
1860 | + return a->tv_sec < b->tv_sec; |
1861 | + else |
1862 | + return a->tv_usec <= b->tv_usec; |
1863 | +} |
1864 | + |
1865 | +static char const * const clocknames[] = { |
1866 | + [0] = "CLOCK_REALTIME", |
1867 | + [1] = "CLOCK_MONOTONIC", |
1868 | + [2] = "CLOCK_PROCESS_CPUTIME_ID", |
1869 | + [3] = "CLOCK_THREAD_CPUTIME_ID", |
1870 | + [4] = "CLOCK_MONOTONIC_RAW", |
1871 | + [5] = "CLOCK_REALTIME_COARSE", |
1872 | + [6] = "CLOCK_MONOTONIC_COARSE", |
1873 | + [7] = "CLOCK_BOOTTIME", |
1874 | + [8] = "CLOCK_REALTIME_ALARM", |
1875 | + [9] = "CLOCK_BOOTTIME_ALARM", |
1876 | + [10] = "CLOCK_SGI_CYCLE", |
1877 | + [11] = "CLOCK_TAI", |
1878 | +}; |
1879 | + |
1880 | +static void test_one_clock_gettime(int clock, const char *name) |
1881 | +{ |
1882 | + struct timespec start, vdso, end; |
1883 | + int vdso_ret, end_ret; |
1884 | + |
1885 | + printf("[RUN]\tTesting clock_gettime for clock %s (%d)...\n", name, clock); |
1886 | + |
1887 | + if (sys_clock_gettime(clock, &start) < 0) { |
1888 | + if (errno == EINVAL) { |
1889 | + vdso_ret = vdso_clock_gettime(clock, &vdso); |
1890 | + if (vdso_ret == -EINVAL) { |
1891 | + printf("[OK]\tNo such clock.\n"); |
1892 | + } else { |
1893 | + printf("[FAIL]\tNo such clock, but __vdso_clock_gettime returned %d\n", vdso_ret); |
1894 | + nerrs++; |
1895 | + } |
1896 | + } else { |
1897 | + printf("[WARN]\t clock_gettime(%d) syscall returned error %d\n", clock, errno); |
1898 | + } |
1899 | + return; |
1900 | + } |
1901 | + |
1902 | + vdso_ret = vdso_clock_gettime(clock, &vdso); |
1903 | + end_ret = sys_clock_gettime(clock, &end); |
1904 | + |
1905 | + if (vdso_ret != 0 || end_ret != 0) { |
1906 | + printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n", |
1907 | + vdso_ret, errno); |
1908 | + nerrs++; |
1909 | + return; |
1910 | + } |
1911 | + |
1912 | + printf("\t%llu.%09ld %llu.%09ld %llu.%09ld\n", |
1913 | + (unsigned long long)start.tv_sec, start.tv_nsec, |
1914 | + (unsigned long long)vdso.tv_sec, vdso.tv_nsec, |
1915 | + (unsigned long long)end.tv_sec, end.tv_nsec); |
1916 | + |
1917 | + if (!ts_leq(&start, &vdso) || !ts_leq(&vdso, &end)) { |
1918 | + printf("[FAIL]\tTimes are out of sequence\n"); |
1919 | + nerrs++; |
1920 | + } |
1921 | +} |
1922 | + |
1923 | +static void test_clock_gettime(void) |
1924 | +{ |
1925 | + for (int clock = 0; clock < sizeof(clocknames) / sizeof(clocknames[0]); |
1926 | + clock++) { |
1927 | + test_one_clock_gettime(clock, clocknames[clock]); |
1928 | + } |
1929 | + |
1930 | + /* Also test some invalid clock ids */ |
1931 | + test_one_clock_gettime(-1, "invalid"); |
1932 | + test_one_clock_gettime(INT_MIN, "invalid"); |
1933 | + test_one_clock_gettime(INT_MAX, "invalid"); |
1934 | +} |
1935 | + |
1936 | +static void test_gettimeofday(void) |
1937 | +{ |
1938 | + struct timeval start, vdso, end; |
1939 | + struct timezone sys_tz, vdso_tz; |
1940 | + int vdso_ret, end_ret; |
1941 | + |
1942 | + if (!vdso_gettimeofday) |
1943 | + return; |
1944 | + |
1945 | + printf("[RUN]\tTesting gettimeofday...\n"); |
1946 | + |
1947 | + if (sys_gettimeofday(&start, &sys_tz) < 0) { |
1948 | + printf("[FAIL]\tsys_gettimeofday failed (%d)\n", errno); |
1949 | + nerrs++; |
1950 | + return; |
1951 | + } |
1952 | + |
1953 | + vdso_ret = vdso_gettimeofday(&vdso, &vdso_tz); |
1954 | + end_ret = sys_gettimeofday(&end, NULL); |
1955 | + |
1956 | + if (vdso_ret != 0 || end_ret != 0) { |
1957 | + printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n", |
1958 | + vdso_ret, errno); |
1959 | + nerrs++; |
1960 | + return; |
1961 | + } |
1962 | + |
1963 | + printf("\t%llu.%06ld %llu.%06ld %llu.%06ld\n", |
1964 | + (unsigned long long)start.tv_sec, start.tv_usec, |
1965 | + (unsigned long long)vdso.tv_sec, vdso.tv_usec, |
1966 | + (unsigned long long)end.tv_sec, end.tv_usec); |
1967 | + |
1968 | + if (!tv_leq(&start, &vdso) || !tv_leq(&vdso, &end)) { |
1969 | + printf("[FAIL]\tTimes are out of sequence\n"); |
1970 | + nerrs++; |
1971 | + } |
1972 | + |
1973 | + if (sys_tz.tz_minuteswest == vdso_tz.tz_minuteswest && |
1974 | + sys_tz.tz_dsttime == vdso_tz.tz_dsttime) { |
1975 | + printf("[OK]\ttimezones match: minuteswest=%d, dsttime=%d\n", |
1976 | + sys_tz.tz_minuteswest, sys_tz.tz_dsttime); |
1977 | + } else { |
1978 | + printf("[FAIL]\ttimezones do not match\n"); |
1979 | + nerrs++; |
1980 | + } |
1981 | + |
1982 | + /* And make sure that passing NULL for tz doesn't crash. */ |
1983 | + vdso_gettimeofday(&vdso, NULL); |
1984 | +} |
1985 | + |
1986 | int main(int argc, char **argv) |
1987 | { |
1988 | fill_function_pointers(); |
1989 | |
1990 | + test_clock_gettime(); |
1991 | + test_gettimeofday(); |
1992 | + |
1993 | + /* |
1994 | + * Test getcpu() last so that, if something goes wrong setting affinity, |
1995 | + * we still run the other tests. |
1996 | + */ |
1997 | test_getcpu(); |
1998 | |
1999 | return nerrs ? 1 : 0; |