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updating to mainline 4.12.9

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This commit is contained in:
Jake Day 2017-08-25 09:43:42 -04:00
parent a58738788e
commit fc3972b401
62 changed files with 347 additions and 219 deletions
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2
kernel/Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 12
SUBLEVEL = 8
SUBLEVEL = 9
EXTRAVERSION =
NAME = Fearless Coyote

4
kernel/arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi
View file

@ -507,7 +507,7 @@
pinctrl_pcie: pciegrp {
fsl,pins = <
/* PCIe reset */
MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0x030b0
MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x030b0
MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x030b0
>;
};
@ -668,7 +668,7 @@
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
reset-gpio = <&gpio6 31 GPIO_ACTIVE_LOW>;
reset-gpio = <&gpio3 0 GPIO_ACTIVE_LOW>;
status = "okay";
};

2
kernel/arch/arm/include/asm/bug.h
View file

@ -37,7 +37,7 @@ do { \
".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \
"2:\t.asciz " #__file "\n" \
".popsection\n" \
".pushsection __bug_table,\"a\"\n" \
".pushsection __bug_table,\"aw\"\n" \
".align 2\n" \
"3:\t.word 1b, 2b\n" \
"\t.hword " #__line ", 0\n" \

2
kernel/arch/arm64/include/asm/bug.h
View file

@ -36,7 +36,7 @@
#ifdef CONFIG_GENERIC_BUG
#define __BUG_ENTRY(flags) \
".pushsection __bug_table,\"a\"\n\t" \
".pushsection __bug_table,\"aw\"\n\t" \
".align 2\n\t" \
"0: .long 1f - 0b\n\t" \
_BUGVERBOSE_LOCATION(__FILE__, __LINE__) \

4
kernel/arch/arm64/include/asm/elf.h
View file

@ -114,10 +114,10 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
* 64-bit, this is raised to 4GB to leave the entire 32-bit address
* 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
#define ELF_ET_DYN_BASE 0x100000000UL
#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3)
#ifndef __ASSEMBLY__

4
kernel/arch/blackfin/include/asm/bug.h
View file

@ -21,7 +21,7 @@
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
" .section __bug_table,\"a\",@progbits\n" \
" .section __bug_table,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .long %1\n" \
" .short %2\n" \
@ -38,7 +38,7 @@
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
" .section __bug_table,\"a\",@progbits\n" \
" .section __bug_table,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .short %1\n" \
" .org 2b + %2\n" \

2
kernel/arch/mn10300/include/asm/bug.h
View file

@ -21,7 +21,7 @@ do { \
asm volatile( \
" syscall 15 \n" \
"0: \n" \
" .section __bug_table,\"a\" \n" \
" .section __bug_table,\"aw\" \n" \
" .long 0b,%0,%1 \n" \
" .previous \n" \
: \

6
kernel/arch/parisc/include/asm/bug.h
View file

@ -27,7 +27,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
"\t.pushsection __bug_table,\"a\"\n" \
"\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b, %c0\n" \
"\t.short %c1, %c2\n" \
"\t.org 2b+%c3\n" \
@ -50,7 +50,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
"\t.pushsection __bug_table,\"a\"\n" \
"\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b, %c0\n" \
"\t.short %c1, %c2\n" \
"\t.org 2b+%c3\n" \
@ -64,7 +64,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
"\t.pushsection __bug_table,\"a\"\n" \
"\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b\n" \
"\t.short %c0\n" \
"\t.org 2b+%c1\n" \

8
kernel/arch/powerpc/include/asm/bug.h
View file

@ -18,7 +18,7 @@
#include <asm/asm-offsets.h>
#ifdef CONFIG_DEBUG_BUGVERBOSE
.macro EMIT_BUG_ENTRY addr,file,line,flags
.section __bug_table,"a"
.section __bug_table,"aw"
5001: PPC_LONG \addr, 5002f
.short \line, \flags
.org 5001b+BUG_ENTRY_SIZE
@ -29,7 +29,7 @@
.endm
#else
.macro EMIT_BUG_ENTRY addr,file,line,flags
.section __bug_table,"a"
.section __bug_table,"aw"
5001: PPC_LONG \addr
.short \flags
.org 5001b+BUG_ENTRY_SIZE
@ -42,14 +42,14 @@
sizeof(struct bug_entry), respectively */
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _EMIT_BUG_ENTRY \
".section __bug_table,\"a\"\n" \
".section __bug_table,\"aw\"\n" \
"2:\t" PPC_LONG "1b, %0\n" \
"\t.short %1, %2\n" \
".org 2b+%3\n" \
".previous\n"
#else
#define _EMIT_BUG_ENTRY \
".section __bug_table,\"a\"\n" \
".section __bug_table,\"aw\"\n" \
"2:\t" PPC_LONG "1b\n" \
"\t.short %2\n" \
".org 2b+%3\n" \

5
kernel/arch/powerpc/kernel/process.c
View file

@ -362,7 +362,8 @@ void enable_kernel_vsx(void)
cpumsr = msr_check_and_set(MSR_FP|MSR_VEC|MSR_VSX);
if (current->thread.regs && (current->thread.regs->msr & MSR_VSX)) {
if (current->thread.regs &&
(current->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP))) {
check_if_tm_restore_required(current);
/*
* If a thread has already been reclaimed then the
@ -386,7 +387,7 @@ void flush_vsx_to_thread(struct task_struct *tsk)
{
if (tsk->thread.regs) {
preempt_disable();
if (tsk->thread.regs->msr & MSR_VSX) {
if (tsk->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP)) {
BUG_ON(tsk != current);
giveup_vsx(tsk);
}

4
kernel/arch/s390/include/asm/bug.h
View file

@ -14,7 +14,7 @@
".section .rodata.str,\"aMS\",@progbits,1\n" \
"2: .asciz \""__FILE__"\"\n" \
".previous\n" \
".section __bug_table,\"a\"\n" \
".section __bug_table,\"aw\"\n" \
"3: .long 1b-3b,2b-3b\n" \
" .short %0,%1\n" \
" .org 3b+%2\n" \
@ -30,7 +30,7 @@
asm volatile( \
"0: j 0b+2\n" \
"1:\n" \
".section __bug_table,\"a\"\n" \
".section __bug_table,\"aw\"\n" \
"2: .long 1b-2b\n" \
" .short %0\n" \
" .org 2b+%1\n" \

4
kernel/arch/sh/include/asm/bug.h
View file

@ -24,14 +24,14 @@
*/
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _EMIT_BUG_ENTRY \
"\t.pushsection __bug_table,\"a\"\n" \
"\t.pushsection __bug_table,\"aw\"\n" \
"2:\t.long 1b, %O1\n" \
"\t.short %O2, %O3\n" \
"\t.org 2b+%O4\n" \
"\t.popsection\n"
#else
#define _EMIT_BUG_ENTRY \
"\t.pushsection __bug_table,\"a\"\n" \
"\t.pushsection __bug_table,\"aw\"\n" \
"2:\t.long 1b\n" \
"\t.short %O3\n" \
"\t.org 2b+%O4\n" \

1
kernel/arch/x86/Kconfig
View file

@ -94,6 +94,7 @@ config X86
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL
select HARDLOCKUP_CHECK_TIMESTAMP if X86_64
select HAVE_ACPI_APEI if ACPI
select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB

67
kernel/arch/x86/crypto/sha1_avx2_x86_64_asm.S
View file

@ -117,11 +117,10 @@
.set T1, REG_T1
.endm
#define K_BASE %r8
#define HASH_PTR %r9
#define BLOCKS_CTR %r8
#define BUFFER_PTR %r10
#define BUFFER_PTR2 %r13
#define BUFFER_END %r11
#define PRECALC_BUF %r14
#define WK_BUF %r15
@ -205,14 +204,14 @@
* blended AVX2 and ALU instruction scheduling
* 1 vector iteration per 8 rounds
*/
vmovdqu ((i * 2) + PRECALC_OFFSET)(BUFFER_PTR), W_TMP
vmovdqu (i * 2)(BUFFER_PTR), W_TMP
.elseif ((i & 7) == 1)
vinsertf128 $1, (((i-1) * 2)+PRECALC_OFFSET)(BUFFER_PTR2),\
vinsertf128 $1, ((i-1) * 2)(BUFFER_PTR2),\
WY_TMP, WY_TMP
.elseif ((i & 7) == 2)
vpshufb YMM_SHUFB_BSWAP, WY_TMP, WY
.elseif ((i & 7) == 4)
vpaddd K_XMM(K_BASE), WY, WY_TMP
vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
.elseif ((i & 7) == 7)
vmovdqu WY_TMP, PRECALC_WK(i&~7)
@ -255,7 +254,7 @@
vpxor WY, WY_TMP, WY_TMP
.elseif ((i & 7) == 7)
vpxor WY_TMP2, WY_TMP, WY
vpaddd K_XMM(K_BASE), WY, WY_TMP
vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@ -291,7 +290,7 @@
vpsrld $30, WY, WY
vpor WY, WY_TMP, WY
.elseif ((i & 7) == 7)
vpaddd K_XMM(K_BASE), WY, WY_TMP
vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@ -446,6 +445,16 @@
.endm
/* Add constant only if (%2 > %3) condition met (uses RTA as temp)
* %1 + %2 >= %3 ? %4 : 0
*/
.macro ADD_IF_GE a, b, c, d
mov \a, RTA
add $\d, RTA
cmp $\c, \b
cmovge RTA, \a
.endm
/*
* macro implements 80 rounds of SHA-1, for multiple blocks with s/w pipelining
*/
@ -463,13 +472,16 @@
lea (2*4*80+32)(%rsp), WK_BUF
# Precalc WK for first 2 blocks
PRECALC_OFFSET = 0
ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 2, 64
.set i, 0
.rept 160
PRECALC i
.set i, i + 1
.endr
PRECALC_OFFSET = 128
/* Go to next block if needed */
ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 3, 128
ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
xchg WK_BUF, PRECALC_BUF
.align 32
@ -479,8 +491,8 @@ _loop:
* we use K_BASE value as a signal of a last block,
* it is set below by: cmovae BUFFER_PTR, K_BASE
*/
cmp K_BASE, BUFFER_PTR
jne _begin
test BLOCKS_CTR, BLOCKS_CTR
jnz _begin
.align 32
jmp _end
.align 32
@ -512,10 +524,10 @@ _loop0:
.set j, j+2
.endr
add $(2*64), BUFFER_PTR /* move to next odd-64-byte block */
cmp BUFFER_END, BUFFER_PTR /* is current block the last one? */
cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
/* Update Counter */
sub $1, BLOCKS_CTR
/* Move to the next block only if needed*/
ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 4, 128
/*
* rounds
* 60,62,64,66,68
@ -532,8 +544,8 @@ _loop0:
UPDATE_HASH 12(HASH_PTR), D
UPDATE_HASH 16(HASH_PTR), E
cmp K_BASE, BUFFER_PTR /* is current block the last one? */
je _loop
test BLOCKS_CTR, BLOCKS_CTR
jz _loop
mov TB, B
@ -575,10 +587,10 @@ _loop2:
.set j, j+2
.endr
add $(2*64), BUFFER_PTR2 /* move to next even-64-byte block */
cmp BUFFER_END, BUFFER_PTR2 /* is current block the last one */
cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
/* update counter */
sub $1, BLOCKS_CTR
/* Move to the next block only if needed*/
ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
jmp _loop3
_loop3:
@ -641,19 +653,12 @@ _loop3:
avx2_zeroupper
lea K_XMM_AR(%rip), K_BASE
/* Setup initial values */
mov CTX, HASH_PTR
mov BUF, BUFFER_PTR
lea 64(BUF), BUFFER_PTR2
shl $6, CNT /* mul by 64 */
add BUF, CNT
add $64, CNT
mov CNT, BUFFER_END
cmp BUFFER_END, BUFFER_PTR2
cmovae K_BASE, BUFFER_PTR2
mov BUF, BUFFER_PTR2
mov CNT, BLOCKS_CTR
xmm_mov BSWAP_SHUFB_CTL(%rip), YMM_SHUFB_BSWAP

2
kernel/arch/x86/crypto/sha1_ssse3_glue.c
View file

@ -201,7 +201,7 @@ asmlinkage void sha1_transform_avx2(u32 *digest, const char *data,
static bool avx2_usable(void)
{
if (false && avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
if (avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
&& boot_cpu_has(X86_FEATURE_BMI1)
&& boot_cpu_has(X86_FEATURE_BMI2))
return true;

2
kernel/arch/x86/entry/entry_64.S
View file

@ -1209,6 +1209,8 @@ ENTRY(nmi)
* other IST entries.
*/
ASM_CLAC
/* Use %rdx as our temp variable throughout */
pushq %rdx

16
kernel/arch/x86/events/core.c
View file

@ -2105,7 +2105,7 @@ static void refresh_pce(void *ignored)
load_mm_cr4(current->active_mm);
}
static void x86_pmu_event_mapped(struct perf_event *event)
static void x86_pmu_event_mapped(struct perf_event *event, struct mm_struct *mm)
{
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
@ -2120,22 +2120,20 @@ static void x86_pmu_event_mapped(struct perf_event *event)
* For now, this can't happen because all callers hold mmap_sem
* for write. If this changes, we'll need a different solution.
*/
lockdep_assert_held_exclusive(&current->mm->mmap_sem);
lockdep_assert_held_exclusive(&mm->mmap_sem);
if (atomic_inc_return(&current->mm->context.perf_rdpmc_allowed) == 1)
on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
if (atomic_inc_return(&mm->context.perf_rdpmc_allowed) == 1)
on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1);
}
static void x86_pmu_event_unmapped(struct perf_event *event)
static void x86_pmu_event_unmapped(struct perf_event *event, struct mm_struct *mm)
{
if (!current->mm)
return;
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
if (atomic_dec_and_test(&current->mm->context.perf_rdpmc_allowed))
on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
if (atomic_dec_and_test(&mm->context.perf_rdpmc_allowed))
on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1);
}
static int x86_pmu_event_idx(struct perf_event *event)

4
kernel/arch/x86/include/asm/bug.h
View file

@ -35,7 +35,7 @@
#define _BUG_FLAGS(ins, flags) \
do { \
asm volatile("1:\t" ins "\n" \
".pushsection __bug_table,\"a\"\n" \
".pushsection __bug_table,\"aw\"\n" \
"2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
"\t" __BUG_REL(%c0) "\t# bug_entry::file\n" \
"\t.word %c1" "\t# bug_entry::line\n" \
@ -52,7 +52,7 @@ do { \
#define _BUG_FLAGS(ins, flags) \
do { \
asm volatile("1:\t" ins "\n" \
".pushsection __bug_table,\"a\"\n" \
".pushsection __bug_table,\"aw\"\n" \
"2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
"\t.word %c0" "\t# bug_entry::flags\n" \
"\t.org 2b+%c1\n" \

4
kernel/arch/x86/include/asm/elf.h
View file

@ -247,11 +247,11 @@ extern int force_personality32;
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
* 64-bit, this is raised to 4GB to leave the entire 32-bit address
* 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
#define ELF_ET_DYN_BASE (mmap_is_ia32() ? 0x000400000UL : \
0x100000000UL)
(TASK_SIZE / 3 * 2))
/* This yields a mask that user programs can use to figure out what
instruction set this CPU supports. This could be done in user space,

7
kernel/arch/x86/mm/mmap.c
View file

@ -50,8 +50,7 @@ unsigned long tasksize_64bit(void)
static unsigned long stack_maxrandom_size(unsigned long task_size)
{
unsigned long max = 0;
if ((current->flags & PF_RANDOMIZE) &&
!(current->personality & ADDR_NO_RANDOMIZE)) {
if (current->flags & PF_RANDOMIZE) {
max = (-1UL) & __STACK_RND_MASK(task_size == tasksize_32bit());
max <<= PAGE_SHIFT;
}
@ -82,13 +81,13 @@ static int mmap_is_legacy(void)
static unsigned long arch_rnd(unsigned int rndbits)
{
if (!(current->flags & PF_RANDOMIZE))
return 0;
return (get_random_long() & ((1UL << rndbits) - 1)) << PAGE_SHIFT;
}
unsigned long arch_mmap_rnd(void)
{
if (!(current->flags & PF_RANDOMIZE))
return 0;
return arch_rnd(mmap_is_ia32() ? mmap32_rnd_bits : mmap64_rnd_bits);
}

8
kernel/block/blk-mq-pci.c
View file

@ -36,12 +36,18 @@ int blk_mq_pci_map_queues(struct blk_mq_tag_set *set, struct pci_dev *pdev)
for (queue = 0; queue < set->nr_hw_queues; queue++) {
mask = pci_irq_get_affinity(pdev, queue);
if (!mask)
return -EINVAL;
goto fallback;
for_each_cpu(cpu, mask)
set->mq_map[cpu] = queue;
}
return 0;
fallback:
WARN_ON_ONCE(set->nr_hw_queues > 1);
for_each_possible_cpu(cpu)
set->mq_map[cpu] = 0;
return 0;
}
EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues);

6
kernel/drivers/block/xen-blkfront.c
View file

@ -2119,9 +2119,9 @@ static int blkfront_resume(struct xenbus_device *dev)
/*
* Get the bios in the request so we can re-queue them.
*/
if (req_op(shadow[i].request) == REQ_OP_FLUSH ||
req_op(shadow[i].request) == REQ_OP_DISCARD ||
req_op(shadow[i].request) == REQ_OP_SECURE_ERASE ||
if (req_op(shadow[j].request) == REQ_OP_FLUSH ||
req_op(shadow[j].request) == REQ_OP_DISCARD ||
req_op(shadow[j].request) == REQ_OP_SECURE_ERASE ||
shadow[j].request->cmd_flags & REQ_FUA) {
/*
* Flush operations don't contain bios, so

6
kernel/drivers/crypto/ixp4xx_crypto.c
View file

@ -1074,7 +1074,7 @@ static int aead_perform(struct aead_request *req, int encrypt,
req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
&crypt->icv_rev_aes);
if (unlikely(!req_ctx->hmac_virt))
goto free_buf_src;
goto free_buf_dst;
if (!encrypt) {
scatterwalk_map_and_copy(req_ctx->hmac_virt,
req->src, cryptlen, authsize, 0);
@ -1089,10 +1089,10 @@ static int aead_perform(struct aead_request *req, int encrypt,
BUG_ON(qmgr_stat_overflow(SEND_QID));
return -EINPROGRESS;
free_buf_src:
free_buf_chain(dev, req_ctx->src, crypt->src_buf);
free_buf_dst:
free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
free_buf_src:
free_buf_chain(dev, req_ctx->src, crypt->src_buf);
crypt->ctl_flags = CTL_FLAG_UNUSED;
return -ENOMEM;
}

13
kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
View file

@ -244,6 +244,12 @@ struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
struct dma_fence *f = e->fence;
struct amd_sched_fence *s_fence = to_amd_sched_fence(f);
if (dma_fence_is_signaled(f)) {
hash_del(&e->node);
dma_fence_put(f);
kmem_cache_free(amdgpu_sync_slab, e);
continue;
}
if (ring && s_fence) {
/* For fences from the same ring it is sufficient
* when they are scheduled.
@ -256,13 +262,6 @@ struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
}
}
if (dma_fence_is_signaled(f)) {
hash_del(&e->node);
dma_fence_put(f);
kmem_cache_free(amdgpu_sync_slab, e);
continue;
}
return f;
}

4
kernel/drivers/gpu/drm/i915/i915_gem_render_state.c
View file

@ -242,6 +242,10 @@ int i915_gem_render_state_emit(struct drm_i915_gem_request *req)
goto err_unpin;
}
ret = req->engine->emit_flush(req, EMIT_INVALIDATE);
if (ret)
goto err_unpin;
ret = req->engine->emit_bb_start(req,
so->batch_offset, so->batch_size,
I915_DISPATCH_SECURE);

4
kernel/drivers/input/mouse/elan_i2c_core.c
View file

@ -1224,6 +1224,10 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0100", 0 },
{ "ELAN0600", 0 },
{ "ELAN0605", 0 },
{ "ELAN0608", 0 },
{ "ELAN0605", 0 },
{ "ELAN0609", 0 },
{ "ELAN060B", 0 },
{ "ELAN1000", 0 },
{ }
};

5
kernel/drivers/irqchip/irq-atmel-aic-common.c
View file

@ -142,9 +142,9 @@ void __init aic_common_rtc_irq_fixup(struct device_node *root)
struct device_node *np;
void __iomem *regs;
np = of_find_compatible_node(root, NULL, "atmel,at91rm9200-rtc");
np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-rtc");
if (!np)
np = of_find_compatible_node(root, NULL,
np = of_find_compatible_node(NULL, NULL,
"atmel,at91sam9x5-rtc");
if (!np)
@ -196,7 +196,6 @@ static void __init aic_common_irq_fixup(const struct of_device_id *matches)
return;
match = of_match_node(matches, root);
of_node_put(root);
if (match) {
void (*fixup)(struct device_node *) = match->data;

5
kernel/drivers/md/md.c
View file

@ -7979,7 +7979,7 @@ bool md_write_start(struct mddev *mddev, struct bio *bi)
if (mddev->safemode == 1)
mddev->safemode = 0;
/* sync_checkers is always 0 when writes_pending is in per-cpu mode */
if (mddev->in_sync || !mddev->sync_checkers) {
if (mddev->in_sync || mddev->sync_checkers) {
spin_lock(&mddev->lock);
if (mddev->in_sync) {
mddev->in_sync = 0;
@ -8639,6 +8639,9 @@ void md_check_recovery(struct mddev *mddev)
if (mddev_trylock(mddev)) {
int spares = 0;
if (!mddev->external && mddev->safemode == 1)
mddev->safemode = 0;
if (mddev->ro) {
struct md_rdev *rdev;
if (!mddev->external && mddev->in_sync)

1
kernel/drivers/net/usb/qmi_wwan.c
View file

@ -1175,6 +1175,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
{QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */

2
kernel/drivers/parisc/dino.c
View file

@ -956,7 +956,7 @@ static int __init dino_probe(struct parisc_device *dev)
dino_dev->hba.dev = dev;
dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND;
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);

26
kernel/drivers/usb/core/usb-acpi.c
View file

@ -127,6 +127,22 @@ out:
*/
#define USB_ACPI_LOCATION_VALID (1 << 31)
static struct acpi_device *usb_acpi_find_port(struct acpi_device *parent,
int raw)
{
struct acpi_device *adev;
if (!parent)
return NULL;
list_for_each_entry(adev, &parent->children, node) {
if (acpi_device_adr(adev) == raw)
return adev;
}
return acpi_find_child_device(parent, raw, false);
}
static struct acpi_device *usb_acpi_find_companion(struct device *dev)
{
struct usb_device *udev;
@ -174,8 +190,10 @@ static struct acpi_device *usb_acpi_find_companion(struct device *dev)
int raw;
raw = usb_hcd_find_raw_port_number(hcd, port1);
adev = acpi_find_child_device(ACPI_COMPANION(&udev->dev),
raw, false);
adev = usb_acpi_find_port(ACPI_COMPANION(&udev->dev),
raw);
if (!adev)
return NULL;
} else {
@ -186,7 +204,9 @@ static struct acpi_device *usb_acpi_find_companion(struct device *dev)
return NULL;
acpi_bus_get_device(parent_handle, &adev);
adev = acpi_find_child_device(adev, port1, false);
adev = usb_acpi_find_port(adev, port1);
if (!adev)
return NULL;
}

3
kernel/drivers/xen/biomerge.c
View file

@ -10,8 +10,7 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
((bfn1 == bfn2) || ((bfn1+1) == bfn2));
return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
#else
/*
* XXX: Add support for merging bio_vec when using different page

3
kernel/fs/binfmt_elf.c
View file

@ -666,8 +666,7 @@ static unsigned long randomize_stack_top(unsigned long stack_top)
{
unsigned long random_variable = 0;
if ((current->flags & PF_RANDOMIZE) &&
!(current->personality & ADDR_NO_RANDOMIZE)) {
if (current->flags & PF_RANDOMIZE) {
random_variable = get_random_long();
random_variable &= STACK_RND_MASK;
random_variable <<= PAGE_SHIFT;

6
kernel/include/linux/memblock.h
View file

@ -65,6 +65,7 @@ extern bool movable_node_enabled;
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
#define __init_memblock __meminit
#define __initdata_memblock __meminitdata
void memblock_discard(void);
#else
#define __init_memblock
#define __initdata_memblock
@ -78,8 +79,6 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t size, phys_addr_t align,
int nid, ulong flags);
phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
phys_addr_t size, phys_addr_t align);
phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
phys_addr_t get_allocated_memblock_memory_regions_info(phys_addr_t *addr);
void memblock_allow_resize(void);
int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
int memblock_add(phys_addr_t base, phys_addr_t size);
@ -114,6 +113,9 @@ void __next_mem_range_rev(u64 *idx, int nid, ulong flags,
void __next_reserved_mem_region(u64 *idx, phys_addr_t *out_start,
phys_addr_t *out_end);
void __memblock_free_early(phys_addr_t base, phys_addr_t size);
void __memblock_free_late(phys_addr_t base, phys_addr_t size);
/**
* for_each_mem_range - iterate through memblock areas from type_a and not
* included in type_b. Or just type_a if type_b is NULL.

8
kernel/include/linux/nmi.h
View file

@ -155,6 +155,14 @@ extern int sysctl_hardlockup_all_cpu_backtrace;
#define sysctl_softlockup_all_cpu_backtrace 0
#define sysctl_hardlockup_all_cpu_backtrace 0
#endif
#if defined(CONFIG_HARDLOCKUP_CHECK_TIMESTAMP) && \
defined(CONFIG_HARDLOCKUP_DETECTOR)
void watchdog_update_hrtimer_threshold(u64 period);
#else
static inline void watchdog_update_hrtimer_threshold(u64 period) { }
#endif
extern bool is_hardlockup(void);
struct ctl_table;
extern int proc_watchdog(struct ctl_table *, int ,

4
kernel/include/linux/perf_event.h
View file

@ -310,8 +310,8 @@ struct pmu {
* Notification that the event was mapped or unmapped. Called
* in the context of the mapping task.
*/
void (*event_mapped) (struct perf_event *event); /*optional*/
void (*event_unmapped) (struct perf_event *event); /*optional*/
void (*event_mapped) (struct perf_event *event, struct mm_struct *mm); /* optional */
void (*event_unmapped) (struct perf_event *event, struct mm_struct *mm); /* optional */
/*
* Flags for ->add()/->del()/ ->start()/->stop(). There are

4
kernel/include/linux/pid.h
View file

@ -8,7 +8,9 @@ enum pid_type
PIDTYPE_PID,
PIDTYPE_PGID,
PIDTYPE_SID,
PIDTYPE_MAX
PIDTYPE_MAX,
/* only valid to __task_pid_nr_ns() */
__PIDTYPE_TGID
};
/*

51
kernel/include/linux/sched.h
View file

@ -1132,13 +1132,6 @@ static inline pid_t task_tgid_nr(struct task_struct *tsk)
return tsk->tgid;
}
extern pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
static inline pid_t task_tgid_vnr(struct task_struct *tsk)
{
return pid_vnr(task_tgid(tsk));
}
/**
* pid_alive - check that a task structure is not stale
* @p: Task structure to be checked.
@ -1154,23 +1147,6 @@ static inline int pid_alive(const struct task_struct *p)
return p->pids[PIDTYPE_PID].pid != NULL;
}
static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
{
pid_t pid = 0;
rcu_read_lock();
if (pid_alive(tsk))
pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
rcu_read_unlock();
return pid;
}
static inline pid_t task_ppid_nr(const struct task_struct *tsk)
{
return task_ppid_nr_ns(tsk, &init_pid_ns);
}
static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
{
return __task_pid_nr_ns(tsk, PIDTYPE_PGID, ns);
@ -1192,6 +1168,33 @@ static inline pid_t task_session_vnr(struct task_struct *tsk)
return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL);
}
static inline pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
{
return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, ns);
}
static inline pid_t task_tgid_vnr(struct task_struct *tsk)
{
return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, NULL);
}
static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
{
pid_t pid = 0;
rcu_read_lock();
if (pid_alive(tsk))
pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
rcu_read_unlock();
return pid;
}
static inline pid_t task_ppid_nr(const struct task_struct *tsk)
{
return task_ppid_nr_ns(tsk, &init_pid_ns);
}
/* Obsolete, do not use: */
static inline pid_t task_pgrp_nr(struct task_struct *tsk)
{

12
kernel/kernel/audit_watch.c
View file

@ -457,13 +457,15 @@ void audit_remove_watch_rule(struct audit_krule *krule)
list_del(&krule->rlist);
if (list_empty(&watch->rules)) {
/*
* audit_remove_watch() drops our reference to 'parent' which
* can get freed. Grab our own reference to be safe.
*/
audit_get_parent(parent);
audit_remove_watch(watch);
if (list_empty(&parent->watches)) {
audit_get_parent(parent);
if (list_empty(&parent->watches))
fsnotify_destroy_mark(&parent->mark, audit_watch_group);
audit_put_parent(parent);
}
audit_put_parent(parent);
}
}

6
kernel/kernel/events/core.c
View file

@ -5084,7 +5084,7 @@ static void perf_mmap_open(struct vm_area_struct *vma)
atomic_inc(&event->rb->aux_mmap_count);
if (event->pmu->event_mapped)
event->pmu->event_mapped(event);
event->pmu->event_mapped(event, vma->vm_mm);
}
static void perf_pmu_output_stop(struct perf_event *event);
@ -5107,7 +5107,7 @@ static void perf_mmap_close(struct vm_area_struct *vma)
unsigned long size = perf_data_size(rb);
if (event->pmu->event_unmapped)
event->pmu->event_unmapped(event);
event->pmu->event_unmapped(event, vma->vm_mm);
/*
* rb->aux_mmap_count will always drop before rb->mmap_count and
@ -5405,7 +5405,7 @@ aux_unlock:
vma->vm_ops = &perf_mmap_vmops;
if (event->pmu->event_mapped)
event->pmu->event_mapped(event);
event->pmu->event_mapped(event, vma->vm_mm);
return ret;
}

10
kernel/kernel/irq/chip.c
View file

@ -898,13 +898,15 @@ EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
unsigned long flags;
unsigned long flags, trigger, tmp;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
if (!desc)
return;
irq_settings_clr_and_set(desc, clr, set);
trigger = irqd_get_trigger_type(&desc->irq_data);
irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
if (irq_settings_has_no_balance_set(desc))
@ -916,7 +918,11 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
if (irq_settings_is_level(desc))
irqd_set(&desc->irq_data, IRQD_LEVEL);
irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));
tmp = irq_settings_get_trigger_mask(desc);
if (tmp != IRQ_TYPE_NONE)
trigger = tmp;
irqd_set(&desc->irq_data, trigger);
irq_put_desc_unlock(desc, flags);
}

4
kernel/kernel/irq/ipi.c
View file

@ -165,7 +165,7 @@ irq_hw_number_t ipi_get_hwirq(unsigned int irq, unsigned int cpu)
struct irq_data *data = irq_get_irq_data(irq);
struct cpumask *ipimask = data ? irq_data_get_affinity_mask(data) : NULL;
if (!data || !ipimask || cpu > nr_cpu_ids)
if (!data || !ipimask || cpu >= nr_cpu_ids)
return INVALID_HWIRQ;
if (!cpumask_test_cpu(cpu, ipimask))
@ -195,7 +195,7 @@ static int ipi_send_verify(struct irq_chip *chip, struct irq_data *data,
if (!chip->ipi_send_single && !chip->ipi_send_mask)
return -EINVAL;
if (cpu > nr_cpu_ids)
if (cpu >= nr_cpu_ids)
return -EINVAL;
if (dest) {

11
kernel/kernel/pid.c
View file

@ -527,8 +527,11 @@ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
if (!ns)
ns = task_active_pid_ns(current);
if (likely(pid_alive(task))) {
if (type != PIDTYPE_PID)
if (type != PIDTYPE_PID) {
if (type == __PIDTYPE_TGID)
type = PIDTYPE_PID;
task = task->group_leader;
}
nr = pid_nr_ns(rcu_dereference(task->pids[type].pid), ns);
}
rcu_read_unlock();
@ -537,12 +540,6 @@ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
}
EXPORT_SYMBOL(__task_pid_nr_ns);
pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
{
return pid_nr_ns(task_tgid(tsk), ns);
}
EXPORT_SYMBOL(task_tgid_nr_ns);
struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
{
return ns_of_pid(task_pid(tsk));

1
kernel/kernel/watchdog.c
View file

@ -161,6 +161,7 @@ static void set_sample_period(void)
* hardlockup detector generates a warning
*/
sample_period = get_softlockup_thresh() * ((u64)NSEC_PER_SEC / 5);
watchdog_update_hrtimer_threshold(sample_period);
}
/* Commands for resetting the watchdog */

59
kernel/kernel/watchdog_hld.c
View file

@ -70,6 +70,62 @@ void touch_nmi_watchdog(void)
}
EXPORT_SYMBOL(touch_nmi_watchdog);
#ifdef CONFIG_HARDLOCKUP_CHECK_TIMESTAMP
static DEFINE_PER_CPU(ktime_t, last_timestamp);
static DEFINE_PER_CPU(unsigned int, nmi_rearmed);
static ktime_t watchdog_hrtimer_sample_threshold __read_mostly;
void watchdog_update_hrtimer_threshold(u64 period)
{
/*
* The hrtimer runs with a period of (watchdog_threshold * 2) / 5
*
* So it runs effectively with 2.5 times the rate of the NMI
* watchdog. That means the hrtimer should fire 2-3 times before
* the NMI watchdog expires. The NMI watchdog on x86 is based on
* unhalted CPU cycles, so if Turbo-Mode is enabled the CPU cycles
* might run way faster than expected and the NMI fires in a
* smaller period than the one deduced from the nominal CPU
* frequency. Depending on the Turbo-Mode factor this might be fast
* enough to get the NMI period smaller than the hrtimer watchdog
* period and trigger false positives.
*
* The sample threshold is used to check in the NMI handler whether
* the minimum time between two NMI samples has elapsed. That
* prevents false positives.
*
* Set this to 4/5 of the actual watchdog threshold period so the
* hrtimer is guaranteed to fire at least once within the real
* watchdog threshold.
*/
watchdog_hrtimer_sample_threshold = period * 2;
}
static bool watchdog_check_timestamp(void)
{
ktime_t delta, now = ktime_get_mono_fast_ns();
delta = now - __this_cpu_read(last_timestamp);
if (delta < watchdog_hrtimer_sample_threshold) {
/*
* If ktime is jiffies based, a stalled timer would prevent
* jiffies from being incremented and the filter would look
* at a stale timestamp and never trigger.
*/
if (__this_cpu_inc_return(nmi_rearmed) < 10)
return false;
}
__this_cpu_write(nmi_rearmed, 0);
__this_cpu_write(last_timestamp, now);
return true;
}
#else
static inline bool watchdog_check_timestamp(void)
{
return true;
}
#endif
static struct perf_event_attr wd_hw_attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
@ -94,6 +150,9 @@ static void watchdog_overflow_callback(struct perf_event *event,
return;
}
if (!watchdog_check_timestamp())
return;
/* check for a hardlockup
* This is done by making sure our timer interrupt
* is incrementing. The timer interrupt should have

7
kernel/lib/Kconfig.debug
View file

@ -344,6 +344,13 @@ config SECTION_MISMATCH_WARN_ONLY
If unsure, say Y.
#
# Enables a timestamp based low pass filter to compensate for perf based
# hard lockup detection which runs too fast due to turbo modes.
#
config HARDLOCKUP_CHECK_TIMESTAMP
bool
#
# Select this config option from the architecture Kconfig, if it
# is preferred to always offer frame pointers as a config

2
kernel/mm/cma_debug.c
View file

@ -167,7 +167,7 @@ static void cma_debugfs_add_one(struct cma *cma, int idx)
char name[16];
int u32s;
sprintf(name, "cma-%s", cma->name);
scnprintf(name, sizeof(name), "cma-%s", cma->name);
tmp = debugfs_create_dir(name, cma_debugfs_root);

38
kernel/mm/memblock.c
View file

@ -288,31 +288,27 @@ static void __init_memblock memblock_remove_region(struct memblock_type *type, u
}
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
phys_addr_t __init_memblock get_allocated_memblock_reserved_regions_info(
phys_addr_t *addr)
/**
* Discard memory and reserved arrays if they were allocated
*/
void __init memblock_discard(void)
{
if (memblock.reserved.regions == memblock_reserved_init_regions)
return 0;
phys_addr_t addr, size;
*addr = __pa(memblock.reserved.regions);
if (memblock.reserved.regions != memblock_reserved_init_regions) {
addr = __pa(memblock.reserved.regions);
size = PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.reserved.max);
__memblock_free_late(addr, size);
}
return PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.reserved.max);
if (memblock.memory.regions == memblock_memory_init_regions) {
addr = __pa(memblock.memory.regions);
size = PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.memory.max);
__memblock_free_late(addr, size);
}
}
phys_addr_t __init_memblock get_allocated_memblock_memory_regions_info(
phys_addr_t *addr)
{
if (memblock.memory.regions == memblock_memory_init_regions)
return 0;
*addr = __pa(memblock.memory.regions);
return PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.memory.max);
}
#endif
/**

12
kernel/mm/memory.c
View file

@ -3882,8 +3882,18 @@ int handle_mm_fault(struct vm_area_struct *vma, unsigned long address,
* further.
*/
if (unlikely((current->flags & PF_KTHREAD) && !(ret & VM_FAULT_ERROR)
&& test_bit(MMF_UNSTABLE, &vma->vm_mm->flags)))
&& test_bit(MMF_UNSTABLE, &vma->vm_mm->flags))) {
/*
* We are going to enforce SIGBUS but the PF path might have
* dropped the mmap_sem already so take it again so that
* we do not break expectations of all arch specific PF paths
* and g-u-p
*/
if (ret & VM_FAULT_RETRY)
down_read(&vma->vm_mm->mmap_sem);
ret = VM_FAULT_SIGBUS;
}
return ret;
}

5
kernel/mm/mempolicy.c
View file

@ -931,11 +931,6 @@ static long do_get_mempolicy(int *policy, nodemask_t *nmask,
*policy |= (pol->flags & MPOL_MODE_FLAGS);
}
if (vma) {
up_read(&current->mm->mmap_sem);
vma = NULL;
}
err = 0;
if (nmask) {
if (mpol_store_user_nodemask(pol)) {

11
kernel/mm/migrate.c
View file

@ -41,6 +41,7 @@
#include <linux/page_idle.h>
#include <linux/page_owner.h>
#include <linux/sched/mm.h>
#include <linux/ptrace.h>
#include <asm/tlbflush.h>
@ -1649,7 +1650,6 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
const int __user *, nodes,
int __user *, status, int, flags)
{
const struct cred *cred = current_cred(), *tcred;
struct task_struct *task;
struct mm_struct *mm;
int err;
@ -1673,14 +1673,9 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
/*
* Check if this process has the right to modify the specified
* process. The right exists if the process has administrative
* capabilities, superuser privileges or the same
* userid as the target process.
* process. Use the regular "ptrace_may_access()" checks.
*/
tcred = __task_cred(task);
if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
!uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
!capable(CAP_SYS_NICE)) {
if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS)) {
rcu_read_unlock();
err = -EPERM;
goto out;

16
kernel/mm/nobootmem.c
View file

@ -146,22 +146,6 @@ static unsigned long __init free_low_memory_core_early(void)
NULL)
count += __free_memory_core(start, end);
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
{
phys_addr_t size;
/* Free memblock.reserved array if it was allocated */
size = get_allocated_memblock_reserved_regions_info(&start);
if (size)
count += __free_memory_core(start, start + size);
/* Free memblock.memory array if it was allocated */
size = get_allocated_memblock_memory_regions_info(&start);
if (size)
count += __free_memory_core(start, start + size);
}
#endif
return count;
}

4
kernel/mm/page_alloc.c
View file

@ -1582,6 +1582,10 @@ void __init page_alloc_init_late(void)
/* Reinit limits that are based on free pages after the kernel is up */
files_maxfiles_init();
#endif
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
/* Discard memblock private memory */
memblock_discard();
#endif
for_each_populated_zone(zone)
set_zone_contiguous(zone);

3
kernel/mm/slub.c
View file

@ -5637,13 +5637,14 @@ static void sysfs_slab_remove_workfn(struct work_struct *work)
* A cache is never shut down before deactivation is
* complete, so no need to worry about synchronization.
*/
return;
goto out;
#ifdef CONFIG_MEMCG
kset_unregister(s->memcg_kset);
#endif
kobject_uevent(&s->kobj, KOBJ_REMOVE);
kobject_del(&s->kobj);
out:
kobject_put(&s->kobj);
}

13
kernel/mm/vmalloc.c
View file

@ -1669,7 +1669,10 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
struct page **pages;
unsigned int nr_pages, array_size, i;
const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
const gfp_t alloc_mask = gfp_mask | __GFP_HIGHMEM | __GFP_NOWARN;
const gfp_t alloc_mask = gfp_mask | __GFP_NOWARN;
const gfp_t highmem_mask = (gfp_mask & (GFP_DMA | GFP_DMA32)) ?
0 :
__GFP_HIGHMEM;
nr_pages = get_vm_area_size(area) >> PAGE_SHIFT;
array_size = (nr_pages * sizeof(struct page *));
@ -1677,7 +1680,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
area->nr_pages = nr_pages;
/* Please note that the recursion is strictly bounded. */
if (array_size > PAGE_SIZE) {
pages = __vmalloc_node(array_size, 1, nested_gfp|__GFP_HIGHMEM,
pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask,
PAGE_KERNEL, node, area->caller);
} else {
pages = kmalloc_node(array_size, nested_gfp, node);
@ -1698,9 +1701,9 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
}
if (node == NUMA_NO_NODE)
page = alloc_page(alloc_mask);
page = alloc_page(alloc_mask|highmem_mask);
else
page = alloc_pages_node(node, alloc_mask, 0);
page = alloc_pages_node(node, alloc_mask|highmem_mask, 0);
if (unlikely(!page)) {
/* Successfully allocated i pages, free them in __vunmap() */
@ -1708,7 +1711,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
goto fail;
}
area->pages[i] = page;
if (gfpflags_allow_blocking(gfp_mask))
if (gfpflags_allow_blocking(gfp_mask|highmem_mask))
cond_resched();
}

13
kernel/sound/core/seq/seq_clientmgr.c
View file

@ -1502,16 +1502,11 @@ static int snd_seq_ioctl_unsubscribe_port(struct snd_seq_client *client,
static int snd_seq_ioctl_create_queue(struct snd_seq_client *client, void *arg)
{
struct snd_seq_queue_info *info = arg;
int result;
struct snd_seq_queue *q;
result = snd_seq_queue_alloc(client->number, info->locked, info->flags);
if (result < 0)
return result;
q = queueptr(result);
if (q == NULL)
return -EINVAL;
q = snd_seq_queue_alloc(client->number, info->locked, info->flags);
if (IS_ERR(q))
return PTR_ERR(q);
info->queue = q->queue;
info->locked = q->locked;
@ -1521,7 +1516,7 @@ static int snd_seq_ioctl_create_queue(struct snd_seq_client *client, void *arg)
if (!info->name[0])
snprintf(info->name, sizeof(info->name), "Queue-%d", q->queue);
strlcpy(q->name, info->name, sizeof(q->name));
queuefree(q);
snd_use_lock_free(&q->use_lock);
return 0;
}

14
kernel/sound/core/seq/seq_queue.c
View file

@ -184,22 +184,26 @@ void __exit snd_seq_queues_delete(void)
static void queue_use(struct snd_seq_queue *queue, int client, int use);
/* allocate a new queue -
* return queue index value or negative value for error
* return pointer to new queue or ERR_PTR(-errno) for error
* The new queue's use_lock is set to 1. It is the caller's responsibility to
* call snd_use_lock_free(&q->use_lock).
*/
int snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
{
struct snd_seq_queue *q;
q = queue_new(client, locked);
if (q == NULL)
return -ENOMEM;
return ERR_PTR(-ENOMEM);
q->info_flags = info_flags;
queue_use(q, client, 1);
snd_use_lock_use(&q->use_lock);
if (queue_list_add(q) < 0) {
snd_use_lock_free(&q->use_lock);
queue_delete(q);
return -ENOMEM;
return ERR_PTR(-ENOMEM);
}
return q->queue;
return q;
}
/* delete a queue - queue must be owned by the client */

2
kernel/sound/core/seq/seq_queue.h
View file

@ -71,7 +71,7 @@ void snd_seq_queues_delete(void);
/* create new queue (constructor) */
int snd_seq_queue_alloc(int client, int locked, unsigned int flags);
struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int flags);
/* delete queue (destructor) */
int snd_seq_queue_delete(int client, int queueid);

2
kernel/sound/usb/mixer.c
View file

@ -542,6 +542,8 @@ int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
if (size < sizeof(scale))
return -ENOMEM;
if (cval->min_mute)
scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE;
scale[2] = cval->dBmin;
scale[3] = cval->dBmax;
if (copy_to_user(_tlv, scale, sizeof(scale)))

1
kernel/sound/usb/mixer.h
View file

@ -64,6 +64,7 @@ struct usb_mixer_elem_info {
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
u8 min_mute;
void *private_data;
};

6
kernel/sound/usb/mixer_quirks.c
View file

@ -1878,6 +1878,12 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
if (unitid == 7 && cval->control == UAC_FU_VOLUME)
snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
break;
/* lowest playback value is muted on C-Media devices */
case USB_ID(0x0d8c, 0x000c):
case USB_ID(0x0d8c, 0x0014):
if (strstr(kctl->id.name, "Playback"))
cval->min_mute = 1;
break;
}
}

5
kernel/sound/usb/quirks.c
View file

@ -1142,6 +1142,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
@ -1374,6 +1375,10 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
}
}
break;
case USB_ID(0x16d0, 0x0a23):
if (fp->altsetting == 2)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
default:
break;