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Message-ID: <20170209105426.GB23782@kroah.com>
Date: Thu, 9 Feb 2017 11:54:26 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.9.9
diff --git a/Makefile b/Makefile
index 1130803ab93c..c0c41c9fac0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 8
+SUBLEVEL = 9
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S
index c53dbeae79f2..838dad5c209f 100644
--- a/arch/arm64/crypto/aes-modes.S
+++ b/arch/arm64/crypto/aes-modes.S
@@ -193,15 +193,16 @@ AES_ENTRY(aes_cbc_encrypt)
cbz w6, .Lcbcencloop
ld1 {v0.16b}, [x5] /* get iv */
- enc_prepare w3, x2, x5
+ enc_prepare w3, x2, x6
.Lcbcencloop:
ld1 {v1.16b}, [x1], #16 /* get next pt block */
eor v0.16b, v0.16b, v1.16b /* ..and xor with iv */
- encrypt_block v0, w3, x2, x5, w6
+ encrypt_block v0, w3, x2, x6, w7
st1 {v0.16b}, [x0], #16
subs w4, w4, #1
bne .Lcbcencloop
+ st1 {v0.16b}, [x5] /* return iv */
ret
AES_ENDPROC(aes_cbc_encrypt)
@@ -211,7 +212,7 @@ AES_ENTRY(aes_cbc_decrypt)
cbz w6, .LcbcdecloopNx
ld1 {v7.16b}, [x5] /* get iv */
- dec_prepare w3, x2, x5
+ dec_prepare w3, x2, x6
.LcbcdecloopNx:
#if INTERLEAVE >= 2
@@ -248,7 +249,7 @@ AES_ENTRY(aes_cbc_decrypt)
.Lcbcdecloop:
ld1 {v1.16b}, [x1], #16 /* get next ct block */
mov v0.16b, v1.16b /* ...and copy to v0 */
- decrypt_block v0, w3, x2, x5, w6
+ decrypt_block v0, w3, x2, x6, w7
eor v0.16b, v0.16b, v7.16b /* xor with iv => pt */
mov v7.16b, v1.16b /* ct is next iv */
st1 {v0.16b}, [x0], #16
@@ -256,6 +257,7 @@ AES_ENTRY(aes_cbc_decrypt)
bne .Lcbcdecloop
.Lcbcdecout:
FRAME_POP
+ st1 {v7.16b}, [x5] /* return iv */
ret
AES_ENDPROC(aes_cbc_decrypt)
@@ -267,24 +269,15 @@ AES_ENDPROC(aes_cbc_decrypt)
AES_ENTRY(aes_ctr_encrypt)
FRAME_PUSH
- cbnz w6, .Lctrfirst /* 1st time around? */
- umov x5, v4.d[1] /* keep swabbed ctr in reg */
- rev x5, x5
-#if INTERLEAVE >= 2
- cmn w5, w4 /* 32 bit overflow? */
- bcs .Lctrinc
- add x5, x5, #1 /* increment BE ctr */
- b .LctrincNx
-#else
- b .Lctrinc
-#endif
-.Lctrfirst:
+ cbz w6, .Lctrnotfirst /* 1st time around? */
enc_prepare w3, x2, x6
ld1 {v4.16b}, [x5]
- umov x5, v4.d[1] /* keep swabbed ctr in reg */
- rev x5, x5
+
+.Lctrnotfirst:
+ umov x8, v4.d[1] /* keep swabbed ctr in reg */
+ rev x8, x8
#if INTERLEAVE >= 2
- cmn w5, w4 /* 32 bit overflow? */
+ cmn w8, w4 /* 32 bit overflow? */
bcs .Lctrloop
.LctrloopNx:
subs w4, w4, #INTERLEAVE
@@ -292,11 +285,11 @@ AES_ENTRY(aes_ctr_encrypt)
#if INTERLEAVE == 2
mov v0.8b, v4.8b
mov v1.8b, v4.8b
- rev x7, x5
- add x5, x5, #1
+ rev x7, x8
+ add x8, x8, #1
ins v0.d[1], x7
- rev x7, x5
- add x5, x5, #1
+ rev x7, x8
+ add x8, x8, #1
ins v1.d[1], x7
ld1 {v2.16b-v3.16b}, [x1], #32 /* get 2 input blocks */
do_encrypt_block2x
@@ -305,7 +298,7 @@ AES_ENTRY(aes_ctr_encrypt)
st1 {v0.16b-v1.16b}, [x0], #32
#else
ldr q8, =0x30000000200000001 /* addends 1,2,3[,0] */
- dup v7.4s, w5
+ dup v7.4s, w8
mov v0.16b, v4.16b
add v7.4s, v7.4s, v8.4s
mov v1.16b, v4.16b
@@ -323,18 +316,12 @@ AES_ENTRY(aes_ctr_encrypt)
eor v2.16b, v7.16b, v2.16b
eor v3.16b, v5.16b, v3.16b
st1 {v0.16b-v3.16b}, [x0], #64
- add x5, x5, #INTERLEAVE
+ add x8, x8, #INTERLEAVE
#endif
- cbz w4, .LctroutNx
-.LctrincNx:
- rev x7, x5
+ rev x7, x8
ins v4.d[1], x7
+ cbz w4, .Lctrout
b .LctrloopNx
-.LctroutNx:
- sub x5, x5, #1
- rev x7, x5
- ins v4.d[1], x7
- b .Lctrout
.Lctr1x:
adds w4, w4, #INTERLEAVE
beq .Lctrout
@@ -342,30 +329,39 @@ AES_ENTRY(aes_ctr_encrypt)
.Lctrloop:
mov v0.16b, v4.16b
encrypt_block v0, w3, x2, x6, w7
+
+ adds x8, x8, #1 /* increment BE ctr */
+ rev x7, x8
+ ins v4.d[1], x7
+ bcs .Lctrcarry /* overflow? */
+
+.Lctrcarrydone:
subs w4, w4, #1
bmi .Lctrhalfblock /* blocks < 0 means 1/2 block */
ld1 {v3.16b}, [x1], #16
eor v3.16b, v0.16b, v3.16b
st1 {v3.16b}, [x0], #16
- beq .Lctrout
-.Lctrinc:
- adds x5, x5, #1 /* increment BE ctr */
- rev x7, x5
- ins v4.d[1], x7
- bcc .Lctrloop /* no overflow? */
- umov x7, v4.d[0] /* load upper word of ctr */
- rev x7, x7 /* ... to handle the carry */
- add x7, x7, #1
- rev x7, x7
- ins v4.d[0], x7
- b .Lctrloop
+ bne .Lctrloop
+
+.Lctrout:
+ st1 {v4.16b}, [x5] /* return next CTR value */
+ FRAME_POP
+ ret
+
.Lctrhalfblock:
ld1 {v3.8b}, [x1]
eor v3.8b, v0.8b, v3.8b
st1 {v3.8b}, [x0]
-.Lctrout:
FRAME_POP
ret
+
+.Lctrcarry:
+ umov x7, v4.d[0] /* load upper word of ctr */
+ rev x7, x7 /* ... to handle the carry */
+ add x7, x7, #1
+ rev x7, x7
+ ins v4.d[0], x7
+ b .Lctrcarrydone
AES_ENDPROC(aes_ctr_encrypt)
.ltorg
diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h
index b312b152461b..6e834caa3720 100644
--- a/arch/powerpc/include/asm/cpu_has_feature.h
+++ b/arch/powerpc/include/asm/cpu_has_feature.h
@@ -23,7 +23,9 @@ static __always_inline bool cpu_has_feature(unsigned long feature)
{
int i;
+#ifndef __clang__ /* clang can't cope with this */
BUILD_BUG_ON(!__builtin_constant_p(feature));
+#endif
#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG
if (!static_key_initialized) {
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index e311c25751a4..a244e09d2d88 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -160,7 +160,9 @@ static __always_inline bool mmu_has_feature(unsigned long feature)
{
int i;
+#ifndef __clang__ /* clang can't cope with this */
BUILD_BUG_ON(!__builtin_constant_p(feature));
+#endif
#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG
if (!static_key_initialized) {
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 5c31369435f2..a5dd493670a0 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -545,7 +545,7 @@ static void *eeh_pe_detach_dev(void *data, void *userdata)
static void *__eeh_clear_pe_frozen_state(void *data, void *flag)
{
struct eeh_pe *pe = (struct eeh_pe *)data;
- bool *clear_sw_state = flag;
+ bool clear_sw_state = *(bool *)flag;
int i, rc = 1;
for (i = 0; rc && i < 3; i++)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 88ac964f4858..1e8c57207346 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2747,6 +2747,9 @@ static void __init prom_find_boot_cpu(void)
cpu_pkg = call_prom("instance-to-package", 1, 1, prom_cpu);
+ if (!PHANDLE_VALID(cpu_pkg))
+ return;
+
prom_getprop(cpu_pkg, "reg", &rval, sizeof(rval));
prom.cpu = be32_to_cpu(rval);
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index ebb7f46f0532..9a25dce87875 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -65,7 +65,7 @@ int radix__map_kernel_page(unsigned long ea, unsigned long pa,
if (!pmdp)
return -ENOMEM;
if (map_page_size == PMD_SIZE) {
- ptep = (pte_t *)pudp;
+ ptep = pmdp_ptep(pmdp);
goto set_the_pte;
}
ptep = pte_alloc_kernel(pmdp, ea);
@@ -90,7 +90,7 @@ int radix__map_kernel_page(unsigned long ea, unsigned long pa,
}
pmdp = pmd_offset(pudp, ea);
if (map_page_size == PMD_SIZE) {
- ptep = (pte_t *)pudp;
+ ptep = pmdp_ptep(pmdp);
goto set_the_pte;
}
if (!pmd_present(*pmdp)) {
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index dbaaf7dc8373..19d646a783fd 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -763,30 +763,6 @@ static void uncore_pmu_unregister(struct intel_uncore_pmu *pmu)
pmu->registered = false;
}
-static void __uncore_exit_boxes(struct intel_uncore_type *type, int cpu)
-{
- struct intel_uncore_pmu *pmu = type->pmus;
- struct intel_uncore_box *box;
- int i, pkg;
-
- if (pmu) {
- pkg = topology_physical_package_id(cpu);
- for (i = 0; i < type->num_boxes; i++, pmu++) {
- box = pmu->boxes[pkg];
- if (box)
- uncore_box_exit(box);
- }
- }
-}
-
-static void uncore_exit_boxes(void *dummy)
-{
- struct intel_uncore_type **types;
-
- for (types = uncore_msr_uncores; *types; types++)
- __uncore_exit_boxes(*types++, smp_processor_id());
-}
-
static void uncore_free_boxes(struct intel_uncore_pmu *pmu)
{
int pkg;
@@ -1077,22 +1053,12 @@ static int uncore_cpu_dying(unsigned int cpu)
return 0;
}
-static int first_init;
-
static int uncore_cpu_starting(unsigned int cpu)
{
struct intel_uncore_type *type, **types = uncore_msr_uncores;
struct intel_uncore_pmu *pmu;
struct intel_uncore_box *box;
- int i, pkg, ncpus = 1;
-
- if (first_init) {
- /*
- * On init we get the number of online cpus in the package
- * and set refcount for all of them.
- */
- ncpus = cpumask_weight(topology_core_cpumask(cpu));
- }
+ int i, pkg;
pkg = topology_logical_package_id(cpu);
for (; *types; types++) {
@@ -1103,7 +1069,7 @@ static int uncore_cpu_starting(unsigned int cpu)
if (!box)
continue;
/* The first cpu on a package activates the box */
- if (atomic_add_return(ncpus, &box->refcnt) == ncpus)
+ if (atomic_inc_return(&box->refcnt) == 1)
uncore_box_init(box);
}
}
@@ -1407,19 +1373,17 @@ static int __init intel_uncore_init(void)
"PERF_X86_UNCORE_PREP",
uncore_cpu_prepare, NULL);
}
- first_init = 1;
+
cpuhp_setup_state(CPUHP_AP_PERF_X86_UNCORE_STARTING,
"AP_PERF_X86_UNCORE_STARTING",
uncore_cpu_starting, uncore_cpu_dying);
- first_init = 0;
+
cpuhp_setup_state(CPUHP_AP_PERF_X86_UNCORE_ONLINE,
"AP_PERF_X86_UNCORE_ONLINE",
uncore_event_cpu_online, uncore_event_cpu_offline);
return 0;
err:
- /* Undo box->init_box() */
- on_each_cpu_mask(&uncore_cpu_mask, uncore_exit_boxes, NULL, 1);
uncore_types_exit(uncore_msr_uncores);
uncore_pci_exit();
return ret;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 3d8ff40ecc6f..7249f1500bcb 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2118,6 +2118,7 @@ static inline void __init check_timer(void)
if (idx != -1 && irq_trigger(idx))
unmask_ioapic_irq(irq_get_chip_data(0));
}
+ irq_domain_deactivate_irq(irq_data);
irq_domain_activate_irq(irq_data);
if (timer_irq_works()) {
if (disable_timer_pin_1 > 0)
@@ -2139,6 +2140,7 @@ static inline void __init check_timer(void)
* legacy devices should be connected to IO APIC #0
*/
replace_pin_at_irq_node(data, node, apic1, pin1, apic2, pin2);
+ irq_domain_deactivate_irq(irq_data);
irq_domain_activate_irq(irq_data);
legacy_pic->unmask(0);
if (timer_irq_works()) {
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 274fab99169d..932348fbb6ea 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -352,6 +352,7 @@ static int hpet_resume(struct clock_event_device *evt, int timer)
} else {
struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+ irq_domain_deactivate_irq(irq_get_irq_data(hdev->irq));
irq_domain_activate_irq(irq_get_irq_data(hdev->irq));
disable_irq(hdev->irq);
irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 487b957e7802..731044efb195 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3148,6 +3148,7 @@ static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu)
memcpy(dest, xsave, XSAVE_HDR_OFFSET);
/* Set XSTATE_BV */
+ xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE;
*(u64 *)(dest + XSAVE_HDR_OFFSET) = xstate_bv;
/*
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 319148bd4b05..2f25a363068c 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -269,6 +269,22 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
efi_scratch.use_pgd = true;
/*
+ * Certain firmware versions are way too sentimential and still believe
+ * they are exclusive and unquestionable owners of the first physical page,
+ * even though they explicitly mark it as EFI_CONVENTIONAL_MEMORY
+ * (but then write-access it later during SetVirtualAddressMap()).
+ *
+ * Create a 1:1 mapping for this page, to avoid triple faults during early
+ * boot with such firmware. We are free to hand this page to the BIOS,
+ * as trim_bios_range() will reserve the first page and isolate it away
+ * from memory allocators anyway.
+ */
+ if (kernel_map_pages_in_pgd(pgd, 0x0, 0x0, 1, _PAGE_RW)) {
+ pr_err("Failed to create 1:1 mapping for the first page!\n");
+ return 1;
+ }
+
+ /*
* When making calls to the firmware everything needs to be 1:1
* mapped and addressable with 32-bit pointers. Map the kernel
* text and allocate a new stack because we can't rely on the
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 88a044af7504..32cdc2c52e98 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -540,7 +540,7 @@ subsys_initcall(topology_init);
void cpu_reset(void)
{
-#if XCHAL_HAVE_PTP_MMU
+#if XCHAL_HAVE_PTP_MMU && IS_ENABLED(CONFIG_MMU)
local_irq_disable();
/*
* We have full MMU: all autoload ways, ways 7, 8 and 9 of DTLB must
diff --git a/crypto/algapi.c b/crypto/algapi.c
index df939b54b09f..1fad2a6b3bbb 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -356,6 +356,7 @@ int crypto_register_alg(struct crypto_alg *alg)
struct crypto_larval *larval;
int err;
+ alg->cra_flags &= ~CRYPTO_ALG_DEAD;
err = crypto_check_alg(alg);
if (err)
return err;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 223a770f78f3..33e363dcc63b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1695,6 +1695,8 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
if (qc->err_mask & ~AC_ERR_OTHER)
qc->err_mask &= ~AC_ERR_OTHER;
+ } else if (qc->tf.command == ATA_CMD_REQ_SENSE_DATA) {
+ qc->result_tf.command |= ATA_SENSE;
}
/* finish up */
@@ -4316,10 +4318,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "ST380013AS", "3.20", ATA_HORKAGE_MAX_SEC_1024 },
/*
- * Device times out with higher max sects.
+ * These devices time out with higher max sects.
* https://bugzilla.kernel.org/show_bug.cgi?id=121671
*/
- { "LITEON CX1-JB256-HP", NULL, ATA_HORKAGE_MAX_SEC_1024 },
+ { "LITEON CX1-JB*-HP", NULL, ATA_HORKAGE_MAX_SEC_1024 },
/* Devices we expect to fail diagnostics */
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 823e938c9a78..2f32782cea6d 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4132,6 +4132,9 @@ static int mv_platform_probe(struct platform_device *pdev)
host->iomap = NULL;
hpriv->base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
+ if (!hpriv->base)
+ return -ENOMEM;
+
hpriv->base -= SATAHC0_REG_BASE;
hpriv->clk = clk_get(&pdev->dev, NULL);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index e7f86a8887d2..c5cdd190b781 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -391,33 +391,33 @@ static ssize_t show_valid_zones(struct device *dev,
{
struct memory_block *mem = to_memory_block(dev);
unsigned long start_pfn, end_pfn;
+ unsigned long valid_start, valid_end, valid_pages;
unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
- struct page *first_page;
struct zone *zone;
int zone_shift = 0;
start_pfn = section_nr_to_pfn(mem->start_section_nr);
end_pfn = start_pfn + nr_pages;
- first_page = pfn_to_page(start_pfn);
/* The block contains more than one zone can not be offlined. */
- if (!test_pages_in_a_zone(start_pfn, end_pfn))
+ if (!test_pages_in_a_zone(start_pfn, end_pfn, &valid_start, &valid_end))
return sprintf(buf, "none\n");
- zone = page_zone(first_page);
+ zone = page_zone(pfn_to_page(valid_start));
+ valid_pages = valid_end - valid_start;
/* MMOP_ONLINE_KEEP */
sprintf(buf, "%s", zone->name);
/* MMOP_ONLINE_KERNEL */
- zone_can_shift(start_pfn, nr_pages, ZONE_NORMAL, &zone_shift);
+ zone_can_shift(valid_start, valid_pages, ZONE_NORMAL, &zone_shift);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);
}
/* MMOP_ONLINE_MOVABLE */
- zone_can_shift(start_pfn, nr_pages, ZONE_MOVABLE, &zone_shift);
+ zone_can_shift(valid_start, valid_pages, ZONE_MOVABLE, &zone_shift);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index f642c4264c27..168fa175d65a 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -45,6 +45,9 @@ int bcma_sprom_get(struct bcma_bus *bus);
void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
/* driver_chipcommon_b.c */
int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index b4f6520e74f0..62f5bfa5065d 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -15,8 +15,6 @@
#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
-
static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
u32 mask, u32 value)
{
@@ -186,9 +184,6 @@ void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
if (cc->capabilities & BCMA_CC_CAP_PMU)
bcma_pmu_early_init(cc);
- if (IS_BUILTIN(CONFIG_BCM47XX) && bus->hosttype == BCMA_HOSTTYPE_SOC)
- bcma_chipco_serial_init(cc);
-
if (bus->hosttype == BCMA_HOSTTYPE_SOC)
bcma_core_chipcommon_flash_detect(cc);
@@ -378,9 +373,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value)
return res;
}
-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
{
-#if IS_BUILTIN(CONFIG_BCM47XX)
unsigned int irq;
u32 baud_base;
u32 i;
@@ -422,5 +417,5 @@ static void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
ports[i].baud_base = baud_base;
ports[i].reg_shift = 0;
}
-#endif /* CONFIG_BCM47XX */
}
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 96f171328200..89af807cf29c 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -278,9 +278,12 @@ static void bcma_core_mips_nvram_init(struct bcma_drv_mips *mcore)
void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
{
+ struct bcma_bus *bus = mcore->core->bus;
+
if (mcore->early_setup_done)
return;
+ bcma_chipco_serial_init(&bus->drv_cc);
bcma_core_mips_nvram_init(mcore);
mcore->early_setup_done = true;
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index d5ba43a87a68..55c1782e3623 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -153,6 +153,8 @@ struct cppi41_dd {
/* context for suspend/resume */
unsigned int dma_tdfdq;
+
+ bool is_suspended;
};
#define FIST_COMPLETION_QUEUE 93
@@ -257,6 +259,10 @@ static struct cppi41_channel *desc_to_chan(struct cppi41_dd *cdd, u32 desc)
BUG_ON(desc_num >= ALLOC_DECS_NUM);
c = cdd->chan_busy[desc_num];
cdd->chan_busy[desc_num] = NULL;
+
+ /* Usecount for chan_busy[], paired with push_desc_queue() */
+ pm_runtime_put(cdd->ddev.dev);
+
return c;
}
@@ -447,6 +453,15 @@ static void push_desc_queue(struct cppi41_channel *c)
*/
__iowmb();
+ /*
+ * DMA transfers can take at least 200ms to complete with USB mass
+ * storage connected. To prevent autosuspend timeouts, we must use
+ * pm_runtime_get/put() when chan_busy[] is modified. This will get
+ * cleared in desc_to_chan() or cppi41_stop_chan() depending on the
+ * outcome of the transfer.
+ */
+ pm_runtime_get(cdd->ddev.dev);
+
desc_phys = lower_32_bits(c->desc_phys);
desc_num = (desc_phys - cdd->descs_phys) / sizeof(struct cppi41_desc);
WARN_ON(cdd->chan_busy[desc_num]);
@@ -457,20 +472,26 @@ static void push_desc_queue(struct cppi41_channel *c)
cppi_writel(reg, cdd->qmgr_mem + QMGR_QUEUE_D(c->q_num));
}
-static void pending_desc(struct cppi41_channel *c)
+/*
+ * Caller must hold cdd->lock to prevent push_desc_queue()
+ * getting called out of order. We have both cppi41_dma_issue_pending()
+ * and cppi41_runtime_resume() call this function.
+ */
+static void cppi41_run_queue(struct cppi41_dd *cdd)
{
- struct cppi41_dd *cdd = c->cdd;
- unsigned long flags;
+ struct cppi41_channel *c, *_c;
- spin_lock_irqsave(&cdd->lock, flags);
- list_add_tail(&c->node, &cdd->pending);
- spin_unlock_irqrestore(&cdd->lock, flags);
+ list_for_each_entry_safe(c, _c, &cdd->pending, node) {
+ push_desc_queue(c);
+ list_del(&c->node);
+ }
}
static void cppi41_dma_issue_pending(struct dma_chan *chan)
{
struct cppi41_channel *c = to_cpp41_chan(chan);
struct cppi41_dd *cdd = c->cdd;
+ unsigned long flags;
int error;
error = pm_runtime_get(cdd->ddev.dev);
@@ -482,10 +503,11 @@ static void cppi41_dma_issue_pending(struct dma_chan *chan)
return;
}
- if (likely(pm_runtime_active(cdd->ddev.dev)))
- push_desc_queue(c);
- else
- pending_desc(c);
+ spin_lock_irqsave(&cdd->lock, flags);
+ list_add_tail(&c->node, &cdd->pending);
+ if (!cdd->is_suspended)
+ cppi41_run_queue(cdd);
+ spin_unlock_irqrestore(&cdd->lock, flags);
pm_runtime_mark_last_busy(cdd->ddev.dev);
pm_runtime_put_autosuspend(cdd->ddev.dev);
@@ -705,6 +727,9 @@ static int cppi41_stop_chan(struct dma_chan *chan)
WARN_ON(!cdd->chan_busy[desc_num]);
cdd->chan_busy[desc_num] = NULL;
+ /* Usecount for chan_busy[], paired with push_desc_queue() */
+ pm_runtime_put(cdd->ddev.dev);
+
return 0;
}
@@ -1150,8 +1175,12 @@ static int __maybe_unused cppi41_resume(struct device *dev)
static int __maybe_unused cppi41_runtime_suspend(struct device *dev)
{
struct cppi41_dd *cdd = dev_get_drvdata(dev);
+ unsigned long flags;
+ spin_lock_irqsave(&cdd->lock, flags);
+ cdd->is_suspended = true;
WARN_ON(!list_empty(&cdd->pending));
+ spin_unlock_irqrestore(&cdd->lock, flags);
return 0;
}
@@ -1159,14 +1188,11 @@ static int __maybe_unused cppi41_runtime_suspend(struct device *dev)
static int __maybe_unused cppi41_runtime_resume(struct device *dev)
{
struct cppi41_dd *cdd = dev_get_drvdata(dev);
- struct cppi41_channel *c, *_c;
unsigned long flags;
spin_lock_irqsave(&cdd->lock, flags);
- list_for_each_entry_safe(c, _c, &cdd->pending, node) {
- push_desc_queue(c);
- list_del(&c->node);
- }
+ cdd->is_suspended = false;
+ cppi41_run_queue(cdd);
spin_unlock_irqrestore(&cdd->lock, flags);
return 0;
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index 921dfa047202..260c4b4b492e 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -187,6 +187,7 @@ static efi_status_t update_fdt_memmap(void *fdt, struct efi_boot_memmap *map)
struct exit_boot_struct {
efi_memory_desc_t *runtime_map;
int *runtime_entry_count;
+ void *new_fdt_addr;
};
static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
@@ -202,7 +203,7 @@ static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
efi_get_virtmap(*map->map, *map->map_size, *map->desc_size,
p->runtime_map, p->runtime_entry_count);
- return EFI_SUCCESS;
+ return update_fdt_memmap(p->new_fdt_addr, map);
}
/*
@@ -300,22 +301,13 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
priv.runtime_map = runtime_map;
priv.runtime_entry_count = &runtime_entry_count;
+ priv.new_fdt_addr = (void *)*new_fdt_addr;
status = efi_exit_boot_services(sys_table, handle, &map, &priv,
exit_boot_func);
if (status == EFI_SUCCESS) {
efi_set_virtual_address_map_t *svam;
- status = update_fdt_memmap((void *)*new_fdt_addr, &map);
- if (status != EFI_SUCCESS) {
- /*
- * The kernel won't get far without the memory map, but
- * may still be able to print something meaningful so
- * return success here.
- */
- return EFI_SUCCESS;
- }
-
/* Install the new virtual address map */
svam = sys_table->runtime->set_virtual_address_map;
status = svam(runtime_entry_count * desc_size, desc_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index b13c8aaec078..6df924f72f29 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -227,6 +227,9 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
}
WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
+ if (adev->mode_info.num_crtc)
+ amdgpu_display_set_vga_render_state(adev, false);
+
gmc_v6_0_mc_stop(adev, &save);
if (gmc_v6_0_wait_for_idle((void *)adev)) {
@@ -256,7 +259,6 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
dev_warn(adev->dev, "Wait for MC idle timedout !\n");
}
gmc_v6_0_mc_resume(adev, &save);
- amdgpu_display_set_vga_render_state(adev, false);
}
static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 67db1577ee49..4147e51cf893 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -2152,30 +2152,42 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx,
void intel_lr_context_resume(struct drm_i915_private *dev_priv)
{
- struct i915_gem_context *ctx = dev_priv->kernel_context;
struct intel_engine_cs *engine;
+ struct i915_gem_context *ctx;
+
+ /* Because we emit WA_TAIL_DWORDS there may be a disparity
+ * between our bookkeeping in ce->ring->head and ce->ring->tail and
+ * that stored in context. As we only write new commands from
+ * ce->ring->tail onwards, everything before that is junk. If the GPU
+ * starts reading from its RING_HEAD from the context, it may try to
+ * execute that junk and die.
+ *
+ * So to avoid that we reset the context images upon resume. For
+ * simplicity, we just zero everything out.
+ */
+ list_for_each_entry(ctx, &dev_priv->context_list, link) {
+ for_each_engine(engine, dev_priv) {
+ struct intel_context *ce = &ctx->engine[engine->id];
+ u32 *reg;
- for_each_engine(engine, dev_priv) {
- struct intel_context *ce = &ctx->engine[engine->id];
- void *vaddr;
- uint32_t *reg_state;
-
- if (!ce->state)
- continue;
-
- vaddr = i915_gem_object_pin_map(ce->state->obj, I915_MAP_WB);
- if (WARN_ON(IS_ERR(vaddr)))
- continue;
+ if (!ce->state)
+ continue;
- reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE;
+ reg = i915_gem_object_pin_map(ce->state->obj,
+ I915_MAP_WB);
+ if (WARN_ON(IS_ERR(reg)))
+ continue;
- reg_state[CTX_RING_HEAD+1] = 0;
- reg_state[CTX_RING_TAIL+1] = 0;
+ reg += LRC_STATE_PN * PAGE_SIZE / sizeof(*reg);
+ reg[CTX_RING_HEAD+1] = 0;
+ reg[CTX_RING_TAIL+1] = 0;
- ce->state->obj->dirty = true;
- i915_gem_object_unpin_map(ce->state->obj);
+ ce->state->obj->dirty = true;
+ i915_gem_object_unpin_map(ce->state->obj);
- ce->ring->head = 0;
- ce->ring->tail = 0;
+ ce->ring->head = ce->ring->tail = 0;
+ ce->ring->last_retired_head = -1;
+ intel_ring_update_space(ce->ring);
+ }
}
}
diff --git a/drivers/gpu/drm/nouveau/dispnv04/hw.c b/drivers/gpu/drm/nouveau/dispnv04/hw.c
index 74856a8b8f35..e64f52464ecf 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/hw.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/hw.c
@@ -222,6 +222,7 @@ nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
uint32_t mpllP;
pci_read_config_dword(pci_get_bus_and_slot(0, 3), 0x6c, &mpllP);
+ mpllP = (mpllP >> 8) & 0xf;
if (!mpllP)
mpllP = 4;
@@ -232,7 +233,7 @@ nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
uint32_t clock;
pci_read_config_dword(pci_get_bus_and_slot(0, 5), 0x4c, &clock);
- return clock;
+ return clock / 1000;
}
ret = nouveau_hw_get_pllvals(dev, plltype, &pllvals);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
index 6f0436df0219..f8f2f16c22a2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
@@ -59,7 +59,7 @@ gt215_hda_eld(NV50_DISP_MTHD_V1)
);
}
for (i = 0; i < size; i++)
- nvkm_wr32(device, 0x61c440 + soff, (i << 8) | args->v0.data[0]);
+ nvkm_wr32(device, 0x61c440 + soff, (i << 8) | args->v0.data[i]);
for (; i < 0x60; i++)
nvkm_wr32(device, 0x61c440 + soff, (i << 8));
nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000003);
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 60d30203a5fa..e06c1344c913 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -167,7 +167,7 @@ struct cp2112_device {
atomic_t xfer_avail;
struct gpio_chip gc;
u8 *in_out_buffer;
- spinlock_t lock;
+ struct mutex lock;
};
static int gpio_push_pull = 0xFF;
@@ -179,10 +179,9 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
- unsigned long flags;
int ret;
- spin_lock_irqsave(&dev->lock, flags);
+ mutex_lock(&dev->lock);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
@@ -206,8 +205,8 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
ret = 0;
exit:
- spin_unlock_irqrestore(&dev->lock, flags);
- return ret <= 0 ? ret : -EIO;
+ mutex_unlock(&dev->lock);
+ return ret < 0 ? ret : -EIO;
}
static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
@@ -215,10 +214,9 @@ static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
- unsigned long flags;
int ret;
- spin_lock_irqsave(&dev->lock, flags);
+ mutex_lock(&dev->lock);
buf[0] = CP2112_GPIO_SET;
buf[1] = value ? 0xff : 0;
@@ -230,7 +228,7 @@ static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
if (ret < 0)
hid_err(hdev, "error setting GPIO values: %d\n", ret);
- spin_unlock_irqrestore(&dev->lock, flags);
+ mutex_unlock(&dev->lock);
}
static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -238,10 +236,9 @@ static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
- unsigned long flags;
int ret;
- spin_lock_irqsave(&dev->lock, flags);
+ mutex_lock(&dev->lock);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf,
CP2112_GPIO_GET_LENGTH, HID_FEATURE_REPORT,
@@ -255,7 +252,7 @@ static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
ret = (buf[1] >> offset) & 1;
exit:
- spin_unlock_irqrestore(&dev->lock, flags);
+ mutex_unlock(&dev->lock);
return ret;
}
@@ -266,10 +263,9 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
- unsigned long flags;
int ret;
- spin_lock_irqsave(&dev->lock, flags);
+ mutex_lock(&dev->lock);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
@@ -290,7 +286,7 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
goto fail;
}
- spin_unlock_irqrestore(&dev->lock, flags);
+ mutex_unlock(&dev->lock);
/*
* Set gpio value when output direction is already set,
@@ -301,7 +297,7 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
return 0;
fail:
- spin_unlock_irqrestore(&dev->lock, flags);
+ mutex_unlock(&dev->lock);
return ret < 0 ? ret : -EIO;
}
@@ -1057,7 +1053,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (!dev->in_out_buffer)
return -ENOMEM;
- spin_lock_init(&dev->lock);
+ mutex_init(&dev->lock);
ret = hid_parse(hdev);
if (ret) {
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 575aa65436d1..9845189fae92 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -76,6 +76,9 @@
#define USB_VENDOR_ID_ALPS_JP 0x044E
#define HID_DEVICE_ID_ALPS_U1_DUAL 0x120B
+#define USB_VENDOR_ID_AMI 0x046b
+#define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE 0xff10
+
#define USB_VENDOR_ID_ANTON 0x1130
#define USB_DEVICE_ID_ANTON_TOUCH_PAD 0x3101
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index c5c5fbe9d605..52026dc94d5c 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -872,7 +872,7 @@ static const struct hid_device_id lg_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
.driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
- .driver_data = LG_FF2 },
+ .driver_data = LG_NOGET | LG_FF2 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
.driver_data = LG_FF3 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index e6cfd323babc..cde060fefa91 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -57,6 +57,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_AKAI, USB_DEVICE_ID_AKAI_MPKMINI2, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_AKAI_09E8, USB_DEVICE_ID_AKAI_09E8_MIDIMIX, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_AMI, USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE, HID_QUIRK_ALWAYS_POLL },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 1cb79925730d..623be90704ab 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -164,19 +164,21 @@ static int wacom_pl_irq(struct wacom_wac *wacom)
wacom->id[0] = STYLUS_DEVICE_ID;
}
- pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
- if (features->pressure_max > 255)
- pressure = (pressure << 1) | ((data[4] >> 6) & 1);
- pressure += (features->pressure_max + 1) / 2;
-
- input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
- input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
- input_report_abs(input, ABS_PRESSURE, pressure);
-
- input_report_key(input, BTN_TOUCH, data[4] & 0x08);
- input_report_key(input, BTN_STYLUS, data[4] & 0x10);
- /* Only allow the stylus2 button to be reported for the pen tool. */
- input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
+ if (prox) {
+ pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
+ if (features->pressure_max > 255)
+ pressure = (pressure << 1) | ((data[4] >> 6) & 1);
+ pressure += (features->pressure_max + 1) / 2;
+
+ input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
+ input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
+ input_report_abs(input, ABS_PRESSURE, pressure);
+
+ input_report_key(input, BTN_TOUCH, data[4] & 0x08);
+ input_report_key(input, BTN_STYLUS, data[4] & 0x10);
+ /* Only allow the stylus2 button to be reported for the pen tool. */
+ input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
+ }
if (!prox)
wacom->id[0] = 0;
diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 2bbf0c521beb..7d61b566e148 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -775,7 +775,7 @@ static int palmas_adc_wakeup_reset(struct palmas_gpadc *adc)
static int palmas_gpadc_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct palmas_gpadc *adc = iio_priv(indio_dev);
int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
int ret;
@@ -798,7 +798,7 @@ static int palmas_gpadc_suspend(struct device *dev)
static int palmas_gpadc_resume(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct palmas_gpadc *adc = iio_priv(indio_dev);
int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
int ret;
diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c
index 9a081465c42f..6bb23a49e81e 100644
--- a/drivers/iio/health/afe4403.c
+++ b/drivers/iio/health/afe4403.c
@@ -422,7 +422,7 @@ MODULE_DEVICE_TABLE(of, afe4403_of_match);
static int __maybe_unused afe4403_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = spi_get_drvdata(to_spi_device(dev));
struct afe4403_data *afe = iio_priv(indio_dev);
int ret;
@@ -443,7 +443,7 @@ static int __maybe_unused afe4403_suspend(struct device *dev)
static int __maybe_unused afe4403_resume(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = spi_get_drvdata(to_spi_device(dev));
struct afe4403_data *afe = iio_priv(indio_dev);
int ret;
diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c
index 45266404f7e3..964f5231a831 100644
--- a/drivers/iio/health/afe4404.c
+++ b/drivers/iio/health/afe4404.c
@@ -428,7 +428,7 @@ MODULE_DEVICE_TABLE(of, afe4404_of_match);
static int __maybe_unused afe4404_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct afe4404_data *afe = iio_priv(indio_dev);
int ret;
@@ -449,7 +449,7 @@ static int __maybe_unused afe4404_suspend(struct device *dev)
static int __maybe_unused afe4404_resume(struct device *dev)
{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct afe4404_data *afe = iio_priv(indio_dev);
int ret;
diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c
index 90ab8a2d2846..183c14329d6e 100644
--- a/drivers/iio/health/max30100.c
+++ b/drivers/iio/health/max30100.c
@@ -238,7 +238,7 @@ static irqreturn_t max30100_interrupt_handler(int irq, void *private)
mutex_lock(&data->lock);
- while (cnt || (cnt = max30100_fifo_count(data) > 0)) {
+ while (cnt || (cnt = max30100_fifo_count(data)) > 0) {
ret = max30100_read_measurement(data);
if (ret)
break;
diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c
index 9c47bc98f3ac..2a22ad920333 100644
--- a/drivers/iio/humidity/dht11.c
+++ b/drivers/iio/humidity/dht11.c
@@ -71,7 +71,8 @@
* a) select an implementation using busy loop polling on those systems
* b) use the checksum to do some probabilistic decoding
*/
-#define DHT11_START_TRANSMISSION 18 /* ms */
+#define DHT11_START_TRANSMISSION_MIN 18000 /* us */
+#define DHT11_START_TRANSMISSION_MAX 20000 /* us */
#define DHT11_MIN_TIMERES 34000 /* ns */
#define DHT11_THRESHOLD 49000 /* ns */
#define DHT11_AMBIG_LOW 23000 /* ns */
@@ -228,7 +229,8 @@ static int dht11_read_raw(struct iio_dev *iio_dev,
ret = gpio_direction_output(dht11->gpio, 0);
if (ret)
goto err;
- msleep(DHT11_START_TRANSMISSION);
+ usleep_range(DHT11_START_TRANSMISSION_MIN,
+ DHT11_START_TRANSMISSION_MAX);
ret = gpio_direction_input(dht11->gpio);
if (ret)
goto err;
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index bb0fde6e2047..cc2243f6cc7f 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -321,7 +321,8 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
FW_RI_RES_WR_DCAEN_V(0) |
FW_RI_RES_WR_DCACPU_V(0) |
FW_RI_RES_WR_FBMIN_V(2) |
- FW_RI_RES_WR_FBMAX_V(2) |
+ (t4_sq_onchip(&wq->sq) ? FW_RI_RES_WR_FBMAX_V(2) :
+ FW_RI_RES_WR_FBMAX_V(3)) |
FW_RI_RES_WR_CIDXFTHRESHO_V(0) |
FW_RI_RES_WR_CIDXFTHRESH_V(0) |
FW_RI_RES_WR_EQSIZE_V(eqsize));
@@ -345,7 +346,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
FW_RI_RES_WR_DCAEN_V(0) |
FW_RI_RES_WR_DCACPU_V(0) |
FW_RI_RES_WR_FBMIN_V(2) |
- FW_RI_RES_WR_FBMAX_V(2) |
+ FW_RI_RES_WR_FBMAX_V(3) |
FW_RI_RES_WR_CIDXFTHRESHO_V(0) |
FW_RI_RES_WR_CIDXFTHRESH_V(0) |
FW_RI_RES_WR_EQSIZE_V(eqsize));
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index e1e274a0a34f..ba637ff8aa7e 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2719,7 +2719,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
if (intmask & SDHCI_INT_RETUNE)
mmc_retune_needed(host->mmc);
- if (intmask & SDHCI_INT_CARD_INT) {
+ if ((intmask & SDHCI_INT_CARD_INT) &&
+ (host->ier & SDHCI_INT_CARD_INT)) {
sdhci_enable_sdio_irq_nolock(host, false);
host->thread_isr |= SDHCI_INT_CARD_INT;
result = IRQ_WAKE_THREAD;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
index d02ca1491d16..8d3e53fac1da 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
@@ -91,7 +91,7 @@
#define IWL8000_FW_PRE "iwlwifi-8000C-"
#define IWL8000_MODULE_FIRMWARE(api) \
- IWL8000_FW_PRE "-" __stringify(api) ".ucode"
+ IWL8000_FW_PRE __stringify(api) ".ucode"
#define IWL8265_FW_PRE "iwlwifi-8265-"
#define IWL8265_MODULE_FIRMWARE(api) \
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index fc771885e383..52de3c6d760c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1144,9 +1144,10 @@ static void iwl_mvm_realloc_queues_after_restart(struct iwl_mvm *mvm,
.frame_limit = IWL_FRAME_LIMIT,
};
- /* Make sure reserved queue is still marked as such (or allocated) */
- mvm->queue_info[mvm_sta->reserved_queue].status =
- IWL_MVM_QUEUE_RESERVED;
+ /* Make sure reserved queue is still marked as such (if allocated) */
+ if (mvm_sta->reserved_queue != IEEE80211_INVAL_HW_QUEUE)
+ mvm->queue_info[mvm_sta->reserved_queue].status =
+ IWL_MVM_QUEUE_RESERVED;
for (i = 0; i <= IWL_MAX_TID_COUNT; i++) {
struct iwl_mvm_tid_data *tid_data = &mvm_sta->tid_data[i];
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 0ec649d961d7..b0916b126923 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -518,25 +518,32 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev)
link = kzalloc(sizeof(*link), GFP_KERNEL);
if (!link)
return NULL;
+
INIT_LIST_HEAD(&link->sibling);
INIT_LIST_HEAD(&link->children);
INIT_LIST_HEAD(&link->link);
link->pdev = pdev;
- if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT) {
+
+ /*
+ * Root Ports and PCI/PCI-X to PCIe Bridges are roots of PCIe
+ * hierarchies.
+ */
+ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT ||
+ pci_pcie_type(pdev) == PCI_EXP_TYPE_PCIE_BRIDGE) {
+ link->root = link;
+ } else {
struct pcie_link_state *parent;
+
parent = pdev->bus->parent->self->link_state;
if (!parent) {
kfree(link);
return NULL;
}
+
link->parent = parent;
+ link->root = link->parent->root;
list_add(&link->link, &parent->children);
}
- /* Setup a pointer to the root port link */
- if (!link->parent)
- link->root = link;
- else
- link->root = link->parent->root;
list_add(&link->sibling, &link_list);
pdev->link_state = link;
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 079015385fd8..583ae3f38fc0 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -731,16 +731,23 @@ static void __iomem *byt_gpio_reg(struct byt_gpio *vg, unsigned int offset,
int reg)
{
struct byt_community *comm = byt_get_community(vg, offset);
- u32 reg_offset = 0;
+ u32 reg_offset;
if (!comm)
return NULL;
offset -= comm->pin_base;
- if (reg == BYT_INT_STAT_REG)
+ switch (reg) {
+ case BYT_INT_STAT_REG:
reg_offset = (offset / 32) * 4;
- else
+ break;
+ case BYT_DEBOUNCE_REG:
+ reg_offset = 0;
+ break;
+ default:
reg_offset = comm->pad_map[offset] * 16;
+ break;
+ }
return comm->reg_base + reg_offset + reg;
}
@@ -1612,7 +1619,9 @@ static void byt_gpio_irq_handler(struct irq_desc *desc)
continue;
}
+ raw_spin_lock(&vg->lock);
pending = readl(reg);
+ raw_spin_unlock(&vg->lock);
for_each_set_bit(pin, &pending, 32) {
virq = irq_find_mapping(vg->chip.irqdomain, base + pin);
generic_handle_irq(virq);
diff --git a/drivers/pinctrl/intel/pinctrl-merrifield.c b/drivers/pinctrl/intel/pinctrl-merrifield.c
index 7826c7f0cb7c..9931be6af0ca 100644
--- a/drivers/pinctrl/intel/pinctrl-merrifield.c
+++ b/drivers/pinctrl/intel/pinctrl-merrifield.c
@@ -794,6 +794,9 @@ static int mrfld_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned int i;
int ret;
+ if (!mrfld_buf_available(mp, pin))
+ return -ENOTSUPP;
+
for (i = 0; i < nconfigs; i++) {
switch (pinconf_to_config_param(configs[i])) {
case PIN_CONFIG_BIAS_DISABLE:
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index e6a512ebeae2..a3ade9e4ef47 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -272,7 +272,7 @@ static const struct regulator_desc axp806_regulators[] = {
64, AXP806_DCDCD_V_CTRL, 0x3f, AXP806_PWR_OUT_CTRL1,
BIT(3)),
AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100,
- AXP806_DCDCB_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(4)),
+ AXP806_DCDCE_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(4)),
AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
AXP806_ALDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(5)),
AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100,
diff --git a/drivers/staging/greybus/timesync_platform.c b/drivers/staging/greybus/timesync_platform.c
index 113f3d6c4b3a..27f75b17679b 100644
--- a/drivers/staging/greybus/timesync_platform.c
+++ b/drivers/staging/greybus/timesync_platform.c
@@ -45,12 +45,18 @@ u32 gb_timesync_platform_get_clock_rate(void)
int gb_timesync_platform_lock_bus(struct gb_timesync_svc *pdata)
{
+ if (!arche_platform_change_state_cb)
+ return 0;
+
return arche_platform_change_state_cb(ARCHE_PLATFORM_STATE_TIME_SYNC,
pdata);
}
void gb_timesync_platform_unlock_bus(void)
{
+ if (!arche_platform_change_state_cb)
+ return;
+
arche_platform_change_state_cb(ARCHE_PLATFORM_STATE_ACTIVE, NULL);
}
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index d2e50a27140c..24f9f98968a5 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -37,6 +37,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* CBM - Flash disk */
{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* WORLDE easy key (easykey.25) MIDI controller */
+ { USB_DEVICE(0x0218, 0x0401), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* HP 5300/5370C scanner */
{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 17989b72cdae..8d412d8b1f29 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -2269,6 +2269,8 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type,
if (len < sizeof(*d) || h->interface >= ffs->interfaces_count)
return -EINVAL;
length = le32_to_cpu(d->dwSize);
+ if (len < length)
+ return -EINVAL;
type = le32_to_cpu(d->dwPropertyDataType);
if (type < USB_EXT_PROP_UNICODE ||
type > USB_EXT_PROP_UNICODE_MULTI) {
@@ -2277,6 +2279,11 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type,
return -EINVAL;
}
pnl = le16_to_cpu(d->wPropertyNameLength);
+ if (length < 14 + pnl) {
+ pr_vdebug("invalid os descriptor length: %d pnl:%d (descriptor %d)\n",
+ length, pnl, type);
+ return -EINVAL;
+ }
pdl = le32_to_cpu(*(u32 *)((u8 *)data + 10 + pnl));
if (length != 14 + pnl + pdl) {
pr_vdebug("invalid os descriptor length: %d pnl:%d pdl:%d (descriptor %d)\n",
@@ -2363,6 +2370,9 @@ static int __ffs_data_got_descs(struct ffs_data *ffs,
}
}
if (flags & (1 << i)) {
+ if (len < 4) {
+ goto error;
+ }
os_descs_count = get_unaligned_le32(data);
data += 4;
len -= 4;
@@ -2435,7 +2445,8 @@ static int __ffs_data_got_strings(struct ffs_data *ffs,
ENTER();
- if (unlikely(get_unaligned_le32(data) != FUNCTIONFS_STRINGS_MAGIC ||
+ if (unlikely(len < 16 ||
+ get_unaligned_le32(data) != FUNCTIONFS_STRINGS_MAGIC ||
get_unaligned_le32(data + 4) != len))
goto error;
str_count = get_unaligned_le32(data + 8);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c3e172e15ec3..338575fb2d27 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -578,11 +578,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
| MUSB_PORT_STAT_RESUME;
musb->rh_timer = jiffies
+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- musb->need_finish_resume = 1;
-
musb->xceiv->otg->state = OTG_STATE_A_HOST;
musb->is_active = 1;
musb_host_resume_root_hub(musb);
+ schedule_delayed_work(&musb->finish_resume_work,
+ msecs_to_jiffies(USB_RESUME_TIMEOUT));
break;
case OTG_STATE_B_WAIT_ACON:
musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
@@ -2691,11 +2691,6 @@ static int musb_resume(struct device *dev)
mask = MUSB_DEVCTL_BDEVICE | MUSB_DEVCTL_FSDEV | MUSB_DEVCTL_LSDEV;
if ((devctl & mask) != (musb->context.devctl & mask))
musb->port1_status = 0;
- if (musb->need_finish_resume) {
- musb->need_finish_resume = 0;
- schedule_delayed_work(&musb->finish_resume_work,
- msecs_to_jiffies(USB_RESUME_TIMEOUT));
- }
/*
* The USB HUB code expects the device to be in RPM_ACTIVE once it came
@@ -2747,12 +2742,6 @@ static int musb_runtime_resume(struct device *dev)
musb_restore_context(musb);
- if (musb->need_finish_resume) {
- musb->need_finish_resume = 0;
- schedule_delayed_work(&musb->finish_resume_work,
- msecs_to_jiffies(USB_RESUME_TIMEOUT));
- }
-
spin_lock_irqsave(&musb->lock, flags);
error = musb_run_resume_work(musb);
if (error)
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 47331dbdde29..854fbf7b6b23 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -410,7 +410,6 @@ struct musb {
/* is_suspended means USB B_PERIPHERAL suspend */
unsigned is_suspended:1;
- unsigned need_finish_resume :1;
/* may_wakeup means remote wakeup is enabled */
unsigned may_wakeup:1;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 7ce31a4c7e7f..42cc72e54c05 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2007,6 +2007,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 46fca6b75846..1db4b61bdf7b 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -49,6 +49,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
+ { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) },
{ USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) },
{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) },
{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID_UCSGT) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index e3b7af8adfb7..09d9be88209e 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -27,6 +27,7 @@
#define ATEN_VENDOR_ID 0x0557
#define ATEN_VENDOR_ID2 0x0547
#define ATEN_PRODUCT_ID 0x2008
+#define ATEN_PRODUCT_ID2 0x2118
#define IODATA_VENDOR_ID 0x04bb
#define IODATA_PRODUCT_ID 0x0a03
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 1bc6089b9008..696458db7e3c 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -124,6 +124,7 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
{USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
{USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
+ {USB_DEVICE(0x413c, 0x81a6)}, /* Dell DW5570 QDL (MC8805) */
{USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */
{USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
{USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c6f2d89c0e97..64613fbf5cf8 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -130,14 +130,14 @@ static long vhost_get_vring_endian(struct vhost_virtqueue *vq, u32 idx,
static void vhost_init_is_le(struct vhost_virtqueue *vq)
{
- if (vhost_has_feature(vq, VIRTIO_F_VERSION_1))
- vq->is_le = true;
+ vq->is_le = vhost_has_feature(vq, VIRTIO_F_VERSION_1)
+ || virtio_legacy_is_little_endian();
}
#endif /* CONFIG_VHOST_CROSS_ENDIAN_LEGACY */
static void vhost_reset_is_le(struct vhost_virtqueue *vq)
{
- vq->is_le = virtio_legacy_is_little_endian();
+ vhost_init_is_le(vq);
}
struct vhost_flush_struct {
@@ -1713,10 +1713,8 @@ int vhost_vq_init_access(struct vhost_virtqueue *vq)
int r;
bool is_le = vq->is_le;
- if (!vq->private_data) {
- vhost_reset_is_le(vq);
+ if (!vq->private_data)
return 0;
- }
vhost_init_is_le(vq);
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index f1360487a594..489bfc61cf30 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -159,13 +159,6 @@ static bool vring_use_dma_api(struct virtio_device *vdev)
if (xen_domain())
return true;
- /*
- * On ARM-based machines, the DMA ops will do the right thing,
- * so always use them with legacy devices.
- */
- if (IS_ENABLED(CONFIG_ARM) || IS_ENABLED(CONFIG_ARM64))
- return !virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
-
return false;
}
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 8f6a2a5863b9..a27fc8791551 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -285,6 +285,7 @@ initiate_cifs_search(const unsigned int xid, struct file *file)
rc = -ENOMEM;
goto error_exit;
}
+ spin_lock_init(&cifsFile->file_info_lock);
file->private_data = cifsFile;
cifsFile->tlink = cifs_get_tlink(tlink);
tcon = tlink_tcon(tlink);
diff --git a/fs/dax.c b/fs/dax.c
index 014defd2e744..bf6218da7928 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1270,6 +1270,11 @@ iomap_dax_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
struct blk_dax_ctl dax = { 0 };
ssize_t map_len;
+ if (fatal_signal_pending(current)) {
+ ret = -EINTR;
+ break;
+ }
+
dax.sector = iomap->blkno +
(((pos & PAGE_MASK) - iomap->offset) >> 9);
dax.size = (length + offset + PAGE_SIZE - 1) & PAGE_MASK;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 478630af0d19..bbc316db9495 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3827,6 +3827,15 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
(EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
+ if (ext4_has_feature_meta_bg(sb)) {
+ if (le32_to_cpu(es->s_first_meta_bg) >= db_count) {
+ ext4_msg(sb, KERN_WARNING,
+ "first meta block group too large: %u "
+ "(group descriptor block count %u)",
+ le32_to_cpu(es->s_first_meta_bg), db_count);
+ goto failed_mount;
+ }
+ }
sbi->s_group_desc = ext4_kvmalloc(db_count *
sizeof(struct buffer_head *),
GFP_KERNEL);
diff --git a/fs/iomap.c b/fs/iomap.c
index a8ee8c33ca78..814ae8f9587d 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -113,6 +113,9 @@ iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, unsigned flags,
BUG_ON(pos + len > iomap->offset + iomap->length);
+ if (fatal_signal_pending(current))
+ return -EINTR;
+
page = grab_cache_page_write_begin(inode->i_mapping, index, flags);
if (!page)
return -ENOMEM;
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 42aace4fc4c8..64813697f4c4 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -223,10 +223,11 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate,
struct nfs4_layout_stateid *ls;
struct nfs4_stid *stp;
- stp = nfs4_alloc_stid(cstate->clp, nfs4_layout_stateid_cache);
+ stp = nfs4_alloc_stid(cstate->clp, nfs4_layout_stateid_cache,
+ nfsd4_free_layout_stateid);
if (!stp)
return NULL;
- stp->sc_free = nfsd4_free_layout_stateid;
+
get_nfs4_file(fp);
stp->sc_file = fp;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4b4beaaa4eaa..a0dee8ae9f97 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -633,8 +633,8 @@ find_or_hash_clnt_odstate(struct nfs4_file *fp, struct nfs4_clnt_odstate *new)
return co;
}
-struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl,
- struct kmem_cache *slab)
+struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct kmem_cache *slab,
+ void (*sc_free)(struct nfs4_stid *))
{
struct nfs4_stid *stid;
int new_id;
@@ -650,6 +650,8 @@ struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl,
idr_preload_end();
if (new_id < 0)
goto out_free;
+
+ stid->sc_free = sc_free;
stid->sc_client = cl;
stid->sc_stateid.si_opaque.so_id = new_id;
stid->sc_stateid.si_opaque.so_clid = cl->cl_clientid;
@@ -675,15 +677,12 @@ struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl,
static struct nfs4_ol_stateid * nfs4_alloc_open_stateid(struct nfs4_client *clp)
{
struct nfs4_stid *stid;
- struct nfs4_ol_stateid *stp;
- stid = nfs4_alloc_stid(clp, stateid_slab);
+ stid = nfs4_alloc_stid(clp, stateid_slab, nfs4_free_ol_stateid);
if (!stid)
return NULL;
- stp = openlockstateid(stid);
- stp->st_stid.sc_free = nfs4_free_ol_stateid;
- return stp;
+ return openlockstateid(stid);
}
static void nfs4_free_deleg(struct nfs4_stid *stid)
@@ -781,11 +780,10 @@ alloc_init_deleg(struct nfs4_client *clp, struct svc_fh *current_fh,
goto out_dec;
if (delegation_blocked(¤t_fh->fh_handle))
goto out_dec;
- dp = delegstateid(nfs4_alloc_stid(clp, deleg_slab));
+ dp = delegstateid(nfs4_alloc_stid(clp, deleg_slab, nfs4_free_deleg));
if (dp == NULL)
goto out_dec;
- dp->dl_stid.sc_free = nfs4_free_deleg;
/*
* delegation seqid's are never incremented. The 4.1 special
* meaning of seqid 0 isn't meaningful, really, but let's avoid
@@ -5580,7 +5578,6 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
stp->st_stateowner = nfs4_get_stateowner(&lo->lo_owner);
get_nfs4_file(fp);
stp->st_stid.sc_file = fp;
- stp->st_stid.sc_free = nfs4_free_lock_stateid;
stp->st_access_bmap = 0;
stp->st_deny_bmap = open_stp->st_deny_bmap;
stp->st_openstp = open_stp;
@@ -5623,7 +5620,7 @@ find_or_create_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fi,
lst = find_lock_stateid(lo, fi);
if (lst == NULL) {
spin_unlock(&clp->cl_lock);
- ns = nfs4_alloc_stid(clp, stateid_slab);
+ ns = nfs4_alloc_stid(clp, stateid_slab, nfs4_free_lock_stateid);
if (ns == NULL)
return NULL;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index c9399366f9df..4516e8b7d776 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -603,8 +603,8 @@ extern __be32 nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
__be32 nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
stateid_t *stateid, unsigned char typemask,
struct nfs4_stid **s, struct nfsd_net *nn);
-struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl,
- struct kmem_cache *slab);
+struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct kmem_cache *slab,
+ void (*sc_free)(struct nfs4_stid *));
void nfs4_unhash_stid(struct nfs4_stid *s);
void nfs4_put_stid(struct nfs4_stid *s);
void nfs4_inc_and_copy_stateid(stateid_t *dst, struct nfs4_stid *stid);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index e79875574b39..39e3254e5769 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -184,6 +184,7 @@ struct irq_data {
*
* IRQD_TRIGGER_MASK - Mask for the trigger type bits
* IRQD_SETAFFINITY_PENDING - Affinity setting is pending
+ * IRQD_ACTIVATED - Interrupt has already been activated
* IRQD_NO_BALANCING - Balancing disabled for this IRQ
* IRQD_PER_CPU - Interrupt is per cpu
* IRQD_AFFINITY_SET - Interrupt affinity was set
@@ -202,6 +203,7 @@ struct irq_data {
enum {
IRQD_TRIGGER_MASK = 0xf,
IRQD_SETAFFINITY_PENDING = (1 << 8),
+ IRQD_ACTIVATED = (1 << 9),
IRQD_NO_BALANCING = (1 << 10),
IRQD_PER_CPU = (1 << 11),
IRQD_AFFINITY_SET = (1 << 12),
@@ -312,6 +314,21 @@ static inline bool irqd_affinity_is_managed(struct irq_data *d)
return __irqd_to_state(d) & IRQD_AFFINITY_MANAGED;
}
+static inline bool irqd_is_activated(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_ACTIVATED;
+}
+
+static inline void irqd_set_activated(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_ACTIVATED;
+}
+
+static inline void irqd_clr_activated(struct irq_data *d)
+{
+ __irqd_to_state(d) &= ~IRQD_ACTIVATED;
+}
+
#undef __irqd_to_state
static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index c1784c0b4f35..134a2f69c21a 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -85,7 +85,8 @@ extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages);
extern int add_one_highpage(struct page *page, int pfn, int bad_ppro);
/* VM interface that may be used by firmware interface */
extern int online_pages(unsigned long, unsigned long, int);
-extern int test_pages_in_a_zone(unsigned long, unsigned long);
+extern int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn,
+ unsigned long *valid_start, unsigned long *valid_end);
extern void __offline_isolated_pages(unsigned long, unsigned long);
typedef void (*online_page_callback_t)(struct page *page);
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index 1c7eec09e5eb..3a481a49546e 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -204,7 +204,7 @@ static inline void percpu_ref_get(struct percpu_ref *ref)
static inline bool percpu_ref_tryget(struct percpu_ref *ref)
{
unsigned long __percpu *percpu_count;
- int ret;
+ bool ret;
rcu_read_lock_sched();
@@ -238,7 +238,7 @@ static inline bool percpu_ref_tryget(struct percpu_ref *ref)
static inline bool percpu_ref_tryget_live(struct percpu_ref *ref)
{
unsigned long __percpu *percpu_count;
- int ret = false;
+ bool ret = false;
rcu_read_lock_sched();
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 85bc9beb046d..4e2f3de0e40b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5219,6 +5219,11 @@ static struct cgroup_subsys_state *css_create(struct cgroup *cgrp,
return ERR_PTR(err);
}
+/*
+ * The returned cgroup is fully initialized including its control mask, but
+ * it isn't associated with its kernfs_node and doesn't have the control
+ * mask applied.
+ */
static struct cgroup *cgroup_create(struct cgroup *parent)
{
struct cgroup_root *root = parent->root;
@@ -5283,11 +5288,6 @@ static struct cgroup *cgroup_create(struct cgroup *parent)
cgroup_propagate_control(cgrp);
- /* @cgrp doesn't have dir yet so the following will only create csses */
- ret = cgroup_apply_control_enable(cgrp);
- if (ret)
- goto out_destroy;
-
return cgrp;
out_cancel_ref:
@@ -5295,9 +5295,6 @@ static struct cgroup *cgroup_create(struct cgroup *parent)
out_free_cgrp:
kfree(cgrp);
return ERR_PTR(ret);
-out_destroy:
- cgroup_destroy_locked(cgrp);
- return ERR_PTR(ret);
}
static int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name,
diff --git a/kernel/events/core.c b/kernel/events/core.c
index e5a8839e7076..b1cfd7416db0 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1469,7 +1469,6 @@ ctx_group_list(struct perf_event *event, struct perf_event_context *ctx)
static void
list_add_event(struct perf_event *event, struct perf_event_context *ctx)
{
-
lockdep_assert_held(&ctx->lock);
WARN_ON_ONCE(event->attach_state & PERF_ATTACH_CONTEXT);
@@ -1624,6 +1623,8 @@ static void perf_group_attach(struct perf_event *event)
{
struct perf_event *group_leader = event->group_leader, *pos;
+ lockdep_assert_held(&event->ctx->lock);
+
/*
* We can have double attach due to group movement in perf_event_open.
*/
@@ -1697,6 +1698,8 @@ static void perf_group_detach(struct perf_event *event)
struct perf_event *sibling, *tmp;
struct list_head *list = NULL;
+ lockdep_assert_held(&event->ctx->lock);
+
/*
* We can have double detach due to exit/hot-unplug + close.
*/
@@ -1895,9 +1898,29 @@ __perf_remove_from_context(struct perf_event *event,
*/
static void perf_remove_from_context(struct perf_event *event, unsigned long flags)
{
- lockdep_assert_held(&event->ctx->mutex);
+ struct perf_event_context *ctx = event->ctx;
+
+ lockdep_assert_held(&ctx->mutex);
event_function_call(event, __perf_remove_from_context, (void *)flags);
+
+ /*
+ * The above event_function_call() can NO-OP when it hits
+ * TASK_TOMBSTONE. In that case we must already have been detached
+ * from the context (by perf_event_exit_event()) but the grouping
+ * might still be in-tact.
+ */
+ WARN_ON_ONCE(event->attach_state & PERF_ATTACH_CONTEXT);
+ if ((flags & DETACH_GROUP) &&
+ (event->attach_state & PERF_ATTACH_GROUP)) {
+ /*
+ * Since in that case we cannot possibly be scheduled, simply
+ * detach now.
+ */
+ raw_spin_lock_irq(&ctx->lock);
+ perf_group_detach(event);
+ raw_spin_unlock_irq(&ctx->lock);
+ }
}
/*
@@ -6583,6 +6606,27 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
char *buf = NULL;
char *name;
+ if (vma->vm_flags & VM_READ)
+ prot |= PROT_READ;
+ if (vma->vm_flags & VM_WRITE)
+ prot |= PROT_WRITE;
+ if (vma->vm_flags & VM_EXEC)
+ prot |= PROT_EXEC;
+
+ if (vma->vm_flags & VM_MAYSHARE)
+ flags = MAP_SHARED;
+ else
+ flags = MAP_PRIVATE;
+
+ if (vma->vm_flags & VM_DENYWRITE)
+ flags |= MAP_DENYWRITE;
+ if (vma->vm_flags & VM_MAYEXEC)
+ flags |= MAP_EXECUTABLE;
+ if (vma->vm_flags & VM_LOCKED)
+ flags |= MAP_LOCKED;
+ if (vma->vm_flags & VM_HUGETLB)
+ flags |= MAP_HUGETLB;
+
if (file) {
struct inode *inode;
dev_t dev;
@@ -6609,27 +6653,6 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
maj = MAJOR(dev);
min = MINOR(dev);
- if (vma->vm_flags & VM_READ)
- prot |= PROT_READ;
- if (vma->vm_flags & VM_WRITE)
- prot |= PROT_WRITE;
- if (vma->vm_flags & VM_EXEC)
- prot |= PROT_EXEC;
-
- if (vma->vm_flags & VM_MAYSHARE)
- flags = MAP_SHARED;
- else
- flags = MAP_PRIVATE;
-
- if (vma->vm_flags & VM_DENYWRITE)
- flags |= MAP_DENYWRITE;
- if (vma->vm_flags & VM_MAYEXEC)
- flags |= MAP_EXECUTABLE;
- if (vma->vm_flags & VM_LOCKED)
- flags |= MAP_LOCKED;
- if (vma->vm_flags & VM_HUGETLB)
- flags |= MAP_HUGETLB;
-
goto got_name;
} else {
if (vma->vm_ops && vma->vm_ops->name) {
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8c0a0ae43521..b59e6768c5e9 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1346,6 +1346,30 @@ void irq_domain_free_irqs_parent(struct irq_domain *domain,
}
EXPORT_SYMBOL_GPL(irq_domain_free_irqs_parent);
+static void __irq_domain_activate_irq(struct irq_data *irq_data)
+{
+ if (irq_data && irq_data->domain) {
+ struct irq_domain *domain = irq_data->domain;
+
+ if (irq_data->parent_data)
+ __irq_domain_activate_irq(irq_data->parent_data);
+ if (domain->ops->activate)
+ domain->ops->activate(domain, irq_data);
+ }
+}
+
+static void __irq_domain_deactivate_irq(struct irq_data *irq_data)
+{
+ if (irq_data && irq_data->domain) {
+ struct irq_domain *domain = irq_data->domain;
+
+ if (domain->ops->deactivate)
+ domain->ops->deactivate(domain, irq_data);
+ if (irq_data->parent_data)
+ __irq_domain_deactivate_irq(irq_data->parent_data);
+ }
+}
+
/**
* irq_domain_activate_irq - Call domain_ops->activate recursively to activate
* interrupt
@@ -1356,13 +1380,9 @@ EXPORT_SYMBOL_GPL(irq_domain_free_irqs_parent);
*/
void irq_domain_activate_irq(struct irq_data *irq_data)
{
- if (irq_data && irq_data->domain) {
- struct irq_domain *domain = irq_data->domain;
-
- if (irq_data->parent_data)
- irq_domain_activate_irq(irq_data->parent_data);
- if (domain->ops->activate)
- domain->ops->activate(domain, irq_data);
+ if (!irqd_is_activated(irq_data)) {
+ __irq_domain_activate_irq(irq_data);
+ irqd_set_activated(irq_data);
}
}
@@ -1376,13 +1396,9 @@ void irq_domain_activate_irq(struct irq_data *irq_data)
*/
void irq_domain_deactivate_irq(struct irq_data *irq_data)
{
- if (irq_data && irq_data->domain) {
- struct irq_domain *domain = irq_data->domain;
-
- if (domain->ops->deactivate)
- domain->ops->deactivate(domain, irq_data);
- if (irq_data->parent_data)
- irq_domain_deactivate_irq(irq_data->parent_data);
+ if (irqd_is_activated(irq_data)) {
+ __irq_domain_deactivate_irq(irq_data);
+ irqd_clr_activated(irq_data);
}
}
diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index b97286c48735..f00b0131c8f9 100644
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -266,7 +266,7 @@ static int get_sample(void)
static struct cpumask save_cpumask;
static bool disable_migrate;
-static void move_to_next_cpu(void)
+static void move_to_next_cpu(bool initmask)
{
static struct cpumask *current_mask;
int next_cpu;
@@ -275,7 +275,7 @@ static void move_to_next_cpu(void)
return;
/* Just pick the first CPU on first iteration */
- if (!current_mask) {
+ if (initmask) {
current_mask = &save_cpumask;
get_online_cpus();
cpumask_and(current_mask, cpu_online_mask, tracing_buffer_mask);
@@ -330,10 +330,12 @@ static void move_to_next_cpu(void)
static int kthread_fn(void *data)
{
u64 interval;
+ bool initmask = true;
while (!kthread_should_stop()) {
- move_to_next_cpu();
+ move_to_next_cpu(initmask);
+ initmask = false;
local_irq_disable();
get_sample();
diff --git a/mm/filemap.c b/mm/filemap.c
index 779801092ef1..d8d7df82c69a 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1703,6 +1703,11 @@ static ssize_t do_generic_file_read(struct file *filp, loff_t *ppos,
cond_resched();
find_page:
+ if (fatal_signal_pending(current)) {
+ error = -EINTR;
+ goto out;
+ }
+
page = find_get_page(mapping, index);
if (!page) {
page_cache_sync_readahead(mapping,
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c3a8141ac788..ede137345a99 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1483,17 +1483,20 @@ bool is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages)
}
/*
- * Confirm all pages in a range [start, end) is belongs to the same zone.
+ * Confirm all pages in a range [start, end) belong to the same zone.
+ * When true, return its valid [start, end).
*/
-int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn)
+int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn,
+ unsigned long *valid_start, unsigned long *valid_end)
{
unsigned long pfn, sec_end_pfn;
+ unsigned long start, end;
struct zone *zone = NULL;
struct page *page;
int i;
- for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn);
+ for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn + 1);
pfn < end_pfn;
- pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) {
+ pfn = sec_end_pfn, sec_end_pfn += PAGES_PER_SECTION) {
/* Make sure the memory section is present first */
if (!present_section_nr(pfn_to_section_nr(pfn)))
continue;
@@ -1509,10 +1512,20 @@ int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn)
page = pfn_to_page(pfn + i);
if (zone && page_zone(page) != zone)
return 0;
+ if (!zone)
+ start = pfn + i;
zone = page_zone(page);
+ end = pfn + MAX_ORDER_NR_PAGES;
}
}
- return 1;
+
+ if (zone) {
+ *valid_start = start;
+ *valid_end = end;
+ return 1;
+ } else {
+ return 0;
+ }
}
/*
@@ -1859,6 +1872,7 @@ static int __ref __offline_pages(unsigned long start_pfn,
long offlined_pages;
int ret, drain, retry_max, node;
unsigned long flags;
+ unsigned long valid_start, valid_end;
struct zone *zone;
struct memory_notify arg;
@@ -1869,10 +1883,10 @@ static int __ref __offline_pages(unsigned long start_pfn,
return -EINVAL;
/* This makes hotplug much easier...and readable.
we assume this for now. .*/
- if (!test_pages_in_a_zone(start_pfn, end_pfn))
+ if (!test_pages_in_a_zone(start_pfn, end_pfn, &valid_start, &valid_end))
return -EINVAL;
- zone = page_zone(pfn_to_page(start_pfn));
+ zone = page_zone(pfn_to_page(valid_start));
node = zone_to_nid(zone);
nr_pages = end_pfn - start_pfn;
diff --git a/mm/zswap.c b/mm/zswap.c
index 275b22cc8df4..dbef27822a98 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -78,7 +78,13 @@ static u64 zswap_duplicate_entry;
/* Enable/disable zswap (disabled by default) */
static bool zswap_enabled;
-module_param_named(enabled, zswap_enabled, bool, 0644);
+static int zswap_enabled_param_set(const char *,
+ const struct kernel_param *);
+static struct kernel_param_ops zswap_enabled_param_ops = {
+ .set = zswap_enabled_param_set,
+ .get = param_get_bool,
+};
+module_param_cb(enabled, &zswap_enabled_param_ops, &zswap_enabled, 0644);
/* Crypto compressor to use */
#define ZSWAP_COMPRESSOR_DEFAULT "lzo"
@@ -176,6 +182,9 @@ static atomic_t zswap_pools_count = ATOMIC_INIT(0);
/* used by param callback function */
static bool zswap_init_started;
+/* fatal error during init */
+static bool zswap_init_failed;
+
/*********************************
* helpers and fwd declarations
**********************************/
@@ -706,6 +715,11 @@ static int __zswap_param_set(const char *val, const struct kernel_param *kp,
char *s = strstrip((char *)val);
int ret;
+ if (zswap_init_failed) {
+ pr_err("can't set param, initialization failed\n");
+ return -ENODEV;
+ }
+
/* no change required */
if (!strcmp(s, *(char **)kp->arg))
return 0;
@@ -785,6 +799,17 @@ static int zswap_zpool_param_set(const char *val,
return __zswap_param_set(val, kp, NULL, zswap_compressor);
}
+static int zswap_enabled_param_set(const char *val,
+ const struct kernel_param *kp)
+{
+ if (zswap_init_failed) {
+ pr_err("can't enable, initialization failed\n");
+ return -ENODEV;
+ }
+
+ return param_set_bool(val, kp);
+}
+
/*********************************
* writeback code
**********************************/
@@ -1271,6 +1296,9 @@ static int __init init_zswap(void)
dstmem_fail:
zswap_entry_cache_destroy();
cache_fail:
+ /* if built-in, we aren't unloaded on failure; don't allow use */
+ zswap_init_failed = true;
+ zswap_enabled = false;
return -ENOMEM;
}
/* must be late so crypto has time to come up */
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 436a7537e6a9..5e9ed5ec2860 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -734,14 +734,23 @@ static struct bcm_op *bcm_find_op(struct list_head *ops,
static void bcm_remove_op(struct bcm_op *op)
{
- hrtimer_cancel(&op->timer);
- hrtimer_cancel(&op->thrtimer);
-
- if (op->tsklet.func)
- tasklet_kill(&op->tsklet);
+ if (op->tsklet.func) {
+ while (test_bit(TASKLET_STATE_SCHED, &op->tsklet.state) ||
+ test_bit(TASKLET_STATE_RUN, &op->tsklet.state) ||
+ hrtimer_active(&op->timer)) {
+ hrtimer_cancel(&op->timer);
+ tasklet_kill(&op->tsklet);
+ }
+ }
- if (op->thrtsklet.func)
- tasklet_kill(&op->thrtsklet);
+ if (op->thrtsklet.func) {
+ while (test_bit(TASKLET_STATE_SCHED, &op->thrtsklet.state) ||
+ test_bit(TASKLET_STATE_RUN, &op->thrtsklet.state) ||
+ hrtimer_active(&op->thrtimer)) {
+ hrtimer_cancel(&op->thrtimer);
+ tasklet_kill(&op->thrtsklet);
+ }
+ }
if ((op->frames) && (op->frames != &op->sframe))
kfree(op->frames);
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index dc6fb79a361f..25d9a9cf7b66 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -260,7 +260,7 @@ static int gssx_dec_option_array(struct xdr_stream *xdr,
if (!oa->data)
return -ENOMEM;
- creds = kmalloc(sizeof(struct svc_cred), GFP_KERNEL);
+ creds = kzalloc(sizeof(struct svc_cred), GFP_KERNEL);
if (!creds) {
kfree(oa->data);
return -ENOMEM;
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