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This is the 5.4.149 stable release 

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Merge tag 'v5.4.149' into 5.4-2.3.x-imx

This is the 5.4.149 stable release

Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
This commit is contained in:
Andrey Zhizhikin 2021-09-27 12:34:19 +00:00
parent 5e2f889a8a e74e2950a0
commit 913880358f
53 changed files with 407 additions and 267 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 148
SUBLEVEL = 149
EXTRAVERSION =
NAME = Kleptomaniac Octopus

3
arch/arm/include/asm/ftrace.h
View File

@ -16,6 +16,9 @@ extern void __gnu_mcount_nc(void);
#ifdef CONFIG_DYNAMIC_FTRACE
struct dyn_arch_ftrace {
#ifdef CONFIG_ARM_MODULE_PLTS
struct module *mod;
#endif
};
static inline unsigned long ftrace_call_adjust(unsigned long addr)

8
arch/arm/include/asm/insn.h
View File

@ -13,18 +13,18 @@ arm_gen_nop(void)
}
unsigned long
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link);
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link, bool warn);
static inline unsigned long
arm_gen_branch(unsigned long pc, unsigned long addr)
{
return __arm_gen_branch(pc, addr, false);
return __arm_gen_branch(pc, addr, false, true);
}
static inline unsigned long
arm_gen_branch_link(unsigned long pc, unsigned long addr)
arm_gen_branch_link(unsigned long pc, unsigned long addr, bool warn)
{
return __arm_gen_branch(pc, addr, true);
return __arm_gen_branch(pc, addr, true, warn);
}
#endif

10
arch/arm/include/asm/module.h
View File

@ -19,8 +19,18 @@ enum {
};
#endif
#define PLT_ENT_STRIDE L1_CACHE_BYTES
#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
struct plt_entries {
u32 ldr[PLT_ENT_COUNT];
u32 lit[PLT_ENT_COUNT];
};
struct mod_plt_sec {
struct elf32_shdr *plt;
struct plt_entries *plt_ent;
int plt_count;
};

46
arch/arm/kernel/ftrace.c
View File

@ -71,9 +71,10 @@ int ftrace_arch_code_modify_post_process(void)
return 0;
}
static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr)
static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
bool warn)
{
return arm_gen_branch_link(pc, addr);
return arm_gen_branch_link(pc, addr, warn);
}
static int ftrace_modify_code(unsigned long pc, unsigned long old,
@ -112,14 +113,14 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
int ret;
pc = (unsigned long)&ftrace_call;
new = ftrace_call_replace(pc, (unsigned long)func);
new = ftrace_call_replace(pc, (unsigned long)func, true);
ret = ftrace_modify_code(pc, 0, new, false);
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
if (!ret) {
pc = (unsigned long)&ftrace_regs_call;
new = ftrace_call_replace(pc, (unsigned long)func);
new = ftrace_call_replace(pc, (unsigned long)func, true);
ret = ftrace_modify_code(pc, 0, new, false);
}
@ -132,10 +133,22 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
{
unsigned long new, old;
unsigned long ip = rec->ip;
unsigned long aaddr = adjust_address(rec, addr);
struct module *mod = NULL;
#ifdef CONFIG_ARM_MODULE_PLTS
mod = rec->arch.mod;
#endif
old = ftrace_nop_replace(rec);
new = ftrace_call_replace(ip, adjust_address(rec, addr));
new = ftrace_call_replace(ip, aaddr, !mod);
#ifdef CONFIG_ARM_MODULE_PLTS
if (!new && mod) {
aaddr = get_module_plt(mod, ip, aaddr);
new = ftrace_call_replace(ip, aaddr, true);
}
#endif
return ftrace_modify_code(rec->ip, old, new, true);
}
@ -148,9 +161,9 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
unsigned long new, old;
unsigned long ip = rec->ip;
old = ftrace_call_replace(ip, adjust_address(rec, old_addr));
old = ftrace_call_replace(ip, adjust_address(rec, old_addr), true);
new = ftrace_call_replace(ip, adjust_address(rec, addr));
new = ftrace_call_replace(ip, adjust_address(rec, addr), true);
return ftrace_modify_code(rec->ip, old, new, true);
}
@ -160,12 +173,29 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
int ftrace_make_nop(struct module *mod,
struct dyn_ftrace *rec, unsigned long addr)
{
unsigned long aaddr = adjust_address(rec, addr);
unsigned long ip = rec->ip;
unsigned long old;
unsigned long new;
int ret;
old = ftrace_call_replace(ip, adjust_address(rec, addr));
#ifdef CONFIG_ARM_MODULE_PLTS
/* mod is only supplied during module loading */
if (!mod)
mod = rec->arch.mod;
else
rec->arch.mod = mod;
#endif
old = ftrace_call_replace(ip, aaddr,
!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) || !mod);
#ifdef CONFIG_ARM_MODULE_PLTS
if (!old && mod) {
aaddr = get_module_plt(mod, ip, aaddr);
old = ftrace_call_replace(ip, aaddr, true);
}
#endif
new = ftrace_nop_replace(rec);
ret = ftrace_modify_code(ip, old, new, true);

19
arch/arm/kernel/insn.c
View File

@ -3,8 +3,9 @@
#include <linux/kernel.h>
#include <asm/opcodes.h>
static unsigned long
__arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
static unsigned long __arm_gen_branch_thumb2(unsigned long pc,
unsigned long addr, bool link,
bool warn)
{
unsigned long s, j1, j2, i1, i2, imm10, imm11;
unsigned long first, second;
@ -12,7 +13,7 @@ __arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
offset = (long)addr - (long)(pc + 4);
if (offset < -16777216 || offset > 16777214) {
WARN_ON_ONCE(1);
WARN_ON_ONCE(warn);
return 0;
}
@ -33,8 +34,8 @@ __arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
return __opcode_thumb32_compose(first, second);
}
static unsigned long
__arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
static unsigned long __arm_gen_branch_arm(unsigned long pc, unsigned long addr,
bool link, bool warn)
{
unsigned long opcode = 0xea000000;
long offset;
@ -44,7 +45,7 @@ __arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
offset = (long)addr - (long)(pc + 8);
if (unlikely(offset < -33554432 || offset > 33554428)) {
WARN_ON_ONCE(1);
WARN_ON_ONCE(warn);
return 0;
}
@ -54,10 +55,10 @@ __arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
}
unsigned long
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link)
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link, bool warn)
{
if (IS_ENABLED(CONFIG_THUMB2_KERNEL))
return __arm_gen_branch_thumb2(pc, addr, link);
return __arm_gen_branch_thumb2(pc, addr, link, warn);
else
return __arm_gen_branch_arm(pc, addr, link);
return __arm_gen_branch_arm(pc, addr, link, warn);
}

49
arch/arm/kernel/module-plts.c
View File

@ -4,6 +4,7 @@
*/
#include <linux/elf.h>
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sort.h>
@ -11,10 +12,6 @@
#include <asm/cache.h>
#include <asm/opcodes.h>
#define PLT_ENT_STRIDE L1_CACHE_BYTES
#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
#ifdef CONFIG_THUMB2_KERNEL
#define PLT_ENT_LDR __opcode_to_mem_thumb32(0xf8dff000 | \
(PLT_ENT_STRIDE - 4))
@ -23,9 +20,11 @@
(PLT_ENT_STRIDE - 8))
#endif
struct plt_entries {
u32 ldr[PLT_ENT_COUNT];
u32 lit[PLT_ENT_COUNT];
static const u32 fixed_plts[] = {
#ifdef CONFIG_DYNAMIC_FTRACE
FTRACE_ADDR,
MCOUNT_ADDR,
#endif
};
static bool in_init(const struct module *mod, unsigned long loc)
@ -33,14 +32,40 @@ static bool in_init(const struct module *mod, unsigned long loc)
return loc - (u32)mod->init_layout.base < mod->init_layout.size;
}
static void prealloc_fixed(struct mod_plt_sec *pltsec, struct plt_entries *plt)
{
int i;
if (!ARRAY_SIZE(fixed_plts) || pltsec->plt_count)
return;
pltsec->plt_count = ARRAY_SIZE(fixed_plts);
for (i = 0; i < ARRAY_SIZE(plt->ldr); ++i)
plt->ldr[i] = PLT_ENT_LDR;
BUILD_BUG_ON(sizeof(fixed_plts) > sizeof(plt->lit));
memcpy(plt->lit, fixed_plts, sizeof(fixed_plts));
}
u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val)
{
struct mod_plt_sec *pltsec = !in_init(mod, loc) ? &mod->arch.core :
&mod->arch.init;
struct plt_entries *plt;
int idx;
struct plt_entries *plt = (struct plt_entries *)pltsec->plt->sh_addr;
int idx = 0;
/* cache the address, ELF header is available only during module load */
if (!pltsec->plt_ent)
pltsec->plt_ent = (struct plt_entries *)pltsec->plt->sh_addr;
plt = pltsec->plt_ent;
prealloc_fixed(pltsec, plt);
for (idx = 0; idx < ARRAY_SIZE(fixed_plts); ++idx)
if (plt->lit[idx] == val)
return (u32)&plt->ldr[idx];
idx = 0;
/*
* Look for an existing entry pointing to 'val'. Given that the
* relocations are sorted, this will be the last entry we allocated.
@ -188,8 +213,8 @@ static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *mod)
{
unsigned long core_plts = 0;
unsigned long init_plts = 0;
unsigned long core_plts = ARRAY_SIZE(fixed_plts);
unsigned long init_plts = ARRAY_SIZE(fixed_plts);
Elf32_Shdr *s, *sechdrs_end = sechdrs + ehdr->e_shnum;
Elf32_Sym *syms = NULL;
@ -244,6 +269,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
mod->arch.core.plt->sh_size = round_up(core_plts * PLT_ENT_SIZE,
sizeof(struct plt_entries));
mod->arch.core.plt_count = 0;
mod->arch.core.plt_ent = NULL;
mod->arch.init.plt->sh_type = SHT_NOBITS;
mod->arch.init.plt->sh_flags = SHF_EXECINSTR | SHF_ALLOC;
@ -251,6 +277,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
mod->arch.init.plt->sh_size = round_up(init_plts * PLT_ENT_SIZE,
sizeof(struct plt_entries));
mod->arch.init.plt_count = 0;
mod->arch.init.plt_ent = NULL;
pr_debug("%s: plt=%x, init.plt=%x\n", __func__,
mod->arch.core.plt->sh_size, mod->arch.init.plt->sh_size);

6
arch/arm/mm/init.c
View File

@ -469,7 +469,11 @@ static void __init free_highpages(void)
void __init mem_init(void)
{
#ifdef CONFIG_ARM_LPAE
swiotlb_init(1);
if (swiotlb_force == SWIOTLB_FORCE ||
max_pfn > arm_dma_pfn_limit)
swiotlb_init(1);
else
swiotlb_force = SWIOTLB_NO_FORCE;
#endif
set_max_mapnr(pfn_to_page(max_pfn) - mem_map);

7
arch/arm64/kernel/cacheinfo.c
View File

@ -43,7 +43,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
this_leaf->type = type;
}
static int __init_cache_level(unsigned int cpu)
int init_cache_level(unsigned int cpu)
{
unsigned int ctype, level, leaves, fw_level;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
@ -78,7 +78,7 @@ static int __init_cache_level(unsigned int cpu)
return 0;
}
static int __populate_cache_leaves(unsigned int cpu)
int populate_cache_leaves(unsigned int cpu)
{
unsigned int level, idx;
enum cache_type type;
@ -97,6 +97,3 @@ static int __populate_cache_leaves(unsigned int cpu)
}
return 0;
}
DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)

7
arch/mips/kernel/cacheinfo.c
View File

@ -17,7 +17,7 @@ do { \
leaf++; \
} while (0)
static int __init_cache_level(unsigned int cpu)
int init_cache_level(unsigned int cpu)
{
struct cpuinfo_mips *c = &current_cpu_data;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
@ -69,7 +69,7 @@ static void fill_cpumask_cluster(int cpu, cpumask_t *cpu_map)
cpumask_set_cpu(cpu1, cpu_map);
}
static int __populate_cache_leaves(unsigned int cpu)
int populate_cache_leaves(unsigned int cpu)
{
struct cpuinfo_mips *c = &current_cpu_data;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
@ -98,6 +98,3 @@ static int __populate_cache_leaves(unsigned int cpu)
return 0;
}
DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)

7
arch/riscv/kernel/cacheinfo.c
View File

@ -16,7 +16,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
this_leaf->type = type;
}
static int __init_cache_level(unsigned int cpu)
int init_cache_level(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct device_node *np = of_cpu_device_node_get(cpu);
@ -58,7 +58,7 @@ static int __init_cache_level(unsigned int cpu)
return 0;
}
static int __populate_cache_leaves(unsigned int cpu)
int populate_cache_leaves(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct cacheinfo *this_leaf = this_cpu_ci->info_list;
@ -95,6 +95,3 @@ static int __populate_cache_leaves(unsigned int cpu)
return 0;
}
DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)

2
arch/s390/pci/pci_mmio.c
View File

@ -128,7 +128,7 @@ static long get_pfn(unsigned long user_addr, unsigned long access,
down_read(&current->mm->mmap_sem);
ret = -EINVAL;
vma = find_vma(current->mm, user_addr);
if (!vma)
if (!vma || user_addr < vma->vm_start)
goto out;
ret = -EACCES;
if (!(vma->vm_flags & access))

4
arch/um/drivers/virtio_uml.c
View File

@ -994,7 +994,7 @@ static int virtio_uml_probe(struct platform_device *pdev)
rc = os_connect_socket(pdata->socket_path);
} while (rc == -EINTR);
if (rc < 0)
return rc;
goto error_free;
vu_dev->sock = rc;
rc = vhost_user_init(vu_dev);
@ -1010,6 +1010,8 @@ static int virtio_uml_probe(struct platform_device *pdev)
error_init:
os_close_file(vu_dev->sock);
error_free:
kfree(vu_dev);
return rc;
}

7
arch/x86/kernel/cpu/cacheinfo.c
View File

@ -985,7 +985,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
this_leaf->priv = base->nb;
}
static int __init_cache_level(unsigned int cpu)
int init_cache_level(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
@ -1014,7 +1014,7 @@ static void get_cache_id(int cpu, struct _cpuid4_info_regs *id4_regs)
id4_regs->id = c->apicid >> index_msb;
}
static int __populate_cache_leaves(unsigned int cpu)
int populate_cache_leaves(unsigned int cpu)
{
unsigned int idx, ret;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
@ -1033,6 +1033,3 @@ static int __populate_cache_leaves(unsigned int cpu)
return 0;
}
DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)

1
block/blk-throttle.c
View File

@ -2414,6 +2414,7 @@ int blk_throtl_init(struct request_queue *q)
void blk_throtl_exit(struct request_queue *q)
{
BUG_ON(!q->td);
del_timer_sync(&q->td->service_queue.pending_timer);
throtl_shutdown_wq(q);
blkcg_deactivate_policy(q, &blkcg_policy_throtl);
free_percpu(q->td->latency_buckets[READ]);

20
drivers/acpi/pci_mcfg.c
View File

@ -142,6 +142,26 @@ static struct mcfg_fixup mcfg_quirks[] = {
XGENE_V2_ECAM_MCFG(4, 0),
XGENE_V2_ECAM_MCFG(4, 1),
XGENE_V2_ECAM_MCFG(4, 2),
#define ALTRA_ECAM_QUIRK(rev, seg) \
{ "Ampere", "Altra ", rev, seg, MCFG_BUS_ANY, &pci_32b_read_ops }
ALTRA_ECAM_QUIRK(1, 0),
ALTRA_ECAM_QUIRK(1, 1),
ALTRA_ECAM_QUIRK(1, 2),
ALTRA_ECAM_QUIRK(1, 3),
ALTRA_ECAM_QUIRK(1, 4),
ALTRA_ECAM_QUIRK(1, 5),
ALTRA_ECAM_QUIRK(1, 6),
ALTRA_ECAM_QUIRK(1, 7),
ALTRA_ECAM_QUIRK(1, 8),
ALTRA_ECAM_QUIRK(1, 9),
ALTRA_ECAM_QUIRK(1, 10),
ALTRA_ECAM_QUIRK(1, 11),
ALTRA_ECAM_QUIRK(1, 12),
ALTRA_ECAM_QUIRK(1, 13),
ALTRA_ECAM_QUIRK(1, 14),
ALTRA_ECAM_QUIRK(1, 15),
};
static char mcfg_oem_id[ACPI_OEM_ID_SIZE];

2
drivers/dma/Kconfig
View File

@ -305,7 +305,7 @@ config INTEL_IDMA64
config INTEL_IOATDMA
tristate "Intel I/OAT DMA support"
depends on PCI && X86_64
depends on PCI && X86_64 && !UML
select DMA_ENGINE
select DMA_ENGINE_RAID
select DCA

10
drivers/dma/acpi-dma.c
View File

@ -70,10 +70,14 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
si = (const struct acpi_csrt_shared_info *)&grp[1];
/* Match device by MMIO and IRQ */
/* Match device by MMIO */
if (si->mmio_base_low != lower_32_bits(mem) ||
si->mmio_base_high != upper_32_bits(mem) ||
si->gsi_interrupt != irq)
si->mmio_base_high != upper_32_bits(mem))
return 0;
/* Match device by Linux vIRQ */
ret = acpi_register_gsi(NULL, si->gsi_interrupt, si->interrupt_mode, si->interrupt_polarity);
if (ret != irq)
return 0;
dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n",

1
drivers/dma/sprd-dma.c
View File

@ -1230,6 +1230,7 @@ static const struct of_device_id sprd_dma_match[] = {
{ .compatible = "sprd,sc9860-dma", },
{},
};
MODULE_DEVICE_TABLE(of, sprd_dma_match);
static int __maybe_unused sprd_dma_runtime_suspend(struct device *dev)
{

2
drivers/dma/xilinx/xilinx_dma.c
View File

@ -2703,7 +2703,7 @@ static int xilinx_dma_probe(struct platform_device *pdev)
xdev->ext_addr = false;
/* Set the dma mask bits */
dma_set_mask(xdev->dev, DMA_BIT_MASK(addr_width));
dma_set_mask_and_coherent(xdev->dev, DMA_BIT_MASK(addr_width));
/* Initialize the DMA engine */
xdev->common.dev = &pdev->dev;

2
drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
View File

@ -57,7 +57,7 @@ nvkm_control_mthd_pstate_info(struct nvkm_control *ctrl, void *data, u32 size)
args->v0.count = 0;
args->v0.ustate_ac = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
args->v0.ustate_dc = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
args->v0.pwrsrc = -ENOSYS;
args->v0.pwrsrc = -ENODEV;
args->v0.pstate = NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN;
}

5
drivers/net/phy/phy-c45.c
View File

@ -239,9 +239,10 @@ int genphy_c45_read_link(struct phy_device *phydev)
/* The link state is latched low so that momentary link
* drops can be detected. Do not double-read the status
* in polling mode to detect such short link drops.
* in polling mode to detect such short link drops except
* the link was already down.
*/
if (!phy_polling_mode(phydev)) {
if (!phy_polling_mode(phydev) || !phydev->link) {
val = phy_read_mmd(phydev, devad, MDIO_STAT1);
if (val < 0)
return val;

5
drivers/net/phy/phy_device.c
View File

@ -1775,9 +1775,10 @@ int genphy_update_link(struct phy_device *phydev)
/* The link state is latched low so that momentary link
* drops can be detected. Do not double-read the status
* in polling mode to detect such short link drops.
* in polling mode to detect such short link drops except
* the link was already down.
*/
if (!phy_polling_mode(phydev)) {
if (!phy_polling_mode(phydev) || !phydev->link) {
status = phy_read(phydev, MII_BMSR);
if (status < 0)
return status;

18
drivers/parisc/dino.c
View File

@ -156,15 +156,6 @@ static inline struct dino_device *DINO_DEV(struct pci_hba_data *hba)
return container_of(hba, struct dino_device, hba);
}
/* Check if PCI device is behind a Card-mode Dino. */
static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
{
struct dino_device *dino_dev;
dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
return is_card_dino(&dino_dev->hba.dev->id);
}
/*
* Dino Configuration Space Accessor Functions
*/
@ -447,6 +438,15 @@ static void quirk_cirrus_cardbus(struct pci_dev *dev)
DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6832, quirk_cirrus_cardbus );
#ifdef CONFIG_TULIP
/* Check if PCI device is behind a Card-mode Dino. */
static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
{
struct dino_device *dino_dev;
dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
return is_card_dino(&dino_dev->hba.dev->id);
}
static void pci_fixup_tulip(struct pci_dev *dev)
{
if (!pci_dev_is_behind_card_dino(dev))

71
drivers/pci/controller/pci-aardvark.c
View File

@ -188,6 +188,8 @@
#define MSI_IRQ_NUM 32
#define CFG_RD_CRS_VAL 0xffff0001
struct advk_pcie {
struct platform_device *pdev;
void __iomem *base;
@ -365,7 +367,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG);
}
static int advk_pcie_check_pio_status(struct advk_pcie *pcie, u32 *val)
static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u32 *val)
{
struct device *dev = &pcie->pdev->dev;
u32 reg;
@ -407,9 +409,30 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, u32 *val)
strcomp_status = "UR";
break;
case PIO_COMPLETION_STATUS_CRS:
if (allow_crs && val) {
/* PCIe r4.0, sec 2.3.2, says:
* If CRS Software Visibility is enabled:
* For a Configuration Read Request that includes both
* bytes of the Vendor ID field of a device Function's
* Configuration Space Header, the Root Complex must
* complete the Request to the host by returning a
* read-data value of 0001h for the Vendor ID field and
* all '1's for any additional bytes included in the
* request.
*
* So CRS in this case is not an error status.
*/
*val = CFG_RD_CRS_VAL;
strcomp_status = NULL;
break;
}
/* PCIe r4.0, sec 2.3.2, says:
* If CRS Software Visibility is not enabled, the Root Complex
* must re-issue the Configuration Request as a new Request.
* If CRS Software Visibility is enabled: For a Configuration
* Write Request or for any other Configuration Read Request,
* the Root Complex must re-issue the Configuration Request as
* a new Request.
* A Root Complex implementation may choose to limit the number
* of Configuration Request/CRS Completion Status loops before
* determining that something is wrong with the target of the
@ -478,6 +501,7 @@ advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge,
case PCI_EXP_RTCTL: {
u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG);
*value = (val & PCIE_MSG_PM_PME_MASK) ? 0 : PCI_EXP_RTCTL_PMEIE;
*value |= PCI_EXP_RTCAP_CRSVIS << 16;
return PCI_BRIDGE_EMUL_HANDLED;
}
@ -559,6 +583,7 @@ static struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = {
static int advk_sw_pci_bridge_init(struct advk_pcie *pcie)
{
struct pci_bridge_emul *bridge = &pcie->bridge;
int ret;
bridge->conf.vendor = advk_readl(pcie, PCIE_CORE_DEV_ID_REG) & 0xffff;
bridge->conf.device = advk_readl(pcie, PCIE_CORE_DEV_ID_REG) >> 16;
@ -580,7 +605,15 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie)
bridge->data = pcie;
bridge->ops = &advk_pci_bridge_emul_ops;
return pci_bridge_emul_init(bridge, 0);
/* PCIe config space can be initialized after pci_bridge_emul_init() */
ret = pci_bridge_emul_init(bridge, 0);
if (ret < 0)
return ret;
/* Indicates supports for Completion Retry Status */
bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS);
return 0;
}
static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus,
@ -625,6 +658,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 *val)
{
struct advk_pcie *pcie = bus->sysdata;
bool allow_crs;
u32 reg;
int ret;
@ -637,7 +671,24 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn,
return pci_bridge_emul_conf_read(&pcie->bridge, where,
size, val);
/*
* Completion Retry Status is possible to return only when reading all
* 4 bytes from PCI_VENDOR_ID and PCI_DEVICE_ID registers at once and
* CRSSVE flag on Root Bridge is enabled.
*/
allow_crs = (where == PCI_VENDOR_ID) && (size == 4) &&
(le16_to_cpu(pcie->bridge.pcie_conf.rootctl) &
PCI_EXP_RTCTL_CRSSVE);
if (advk_pcie_pio_is_running(pcie)) {
/*
* If it is possible return Completion Retry Status so caller
* tries to issue the request again instead of failing.
*/
if (allow_crs) {
*val = CFG_RD_CRS_VAL;
return PCIBIOS_SUCCESSFUL;
}
*val = 0xffffffff;
return PCIBIOS_SET_FAILED;
}
@ -664,11 +715,21 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn,
advk_writel(pcie, 1, PIO_START);
ret = advk_pcie_wait_pio(pcie);
if (ret < 0)
if (ret < 0) {
/*
* If it is possible return Completion Retry Status so caller
* tries to issue the request again instead of failing.
*/
if (allow_crs) {
*val = CFG_RD_CRS_VAL;
return PCIBIOS_SUCCESSFUL;
}
*val = 0xffffffff;
return PCIBIOS_SET_FAILED;
}
/* Check PIO status and get the read result */
ret = advk_pcie_check_pio_status(pcie, val);
ret = advk_pcie_check_pio_status(pcie, allow_crs, val);
if (ret < 0) {
*val = 0xffffffff;
return PCIBIOS_SET_FAILED;
@ -737,7 +798,7 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
if (ret < 0)
return PCIBIOS_SET_FAILED;
ret = advk_pcie_check_pio_status(pcie, NULL);
ret = advk_pcie_check_pio_status(pcie, false, NULL);
if (ret < 0)
return PCIBIOS_SET_FAILED;

10
drivers/pci/ecam.c
View File

@ -164,4 +164,14 @@ struct pci_ecam_ops pci_32b_ops = {
.write = pci_generic_config_write32,
}
};
/* ECAM ops for 32-bit read only (non-compliant) */
struct pci_ecam_ops pci_32b_read_ops = {
.bus_shift = 20,
.pci_ops = {
.map_bus = pci_ecam_map_bus,
.read = pci_generic_config_read32,
.write = pci_generic_config_write,
}
};
#endif

25
drivers/pci/pci-bridge-emul.c
View File

@ -270,10 +270,10 @@ static const struct pci_bridge_reg_behavior pcie_cap_regs_behavior[] = {
int pci_bridge_emul_init(struct pci_bridge_emul *bridge,
unsigned int flags)
{
bridge->conf.class_revision |= PCI_CLASS_BRIDGE_PCI << 16;
bridge->conf.class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI << 16);
bridge->conf.header_type = PCI_HEADER_TYPE_BRIDGE;
bridge->conf.cache_line_size = 0x10;
bridge->conf.status = PCI_STATUS_CAP_LIST;
bridge->conf.status = cpu_to_le16(PCI_STATUS_CAP_LIST);
bridge->pci_regs_behavior = kmemdup(pci_regs_behavior,
sizeof(pci_regs_behavior),
GFP_KERNEL);
@ -284,8 +284,9 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge,
bridge->conf.capabilities_pointer = PCI_CAP_PCIE_START;
bridge->pcie_conf.cap_id = PCI_CAP_ID_EXP;
/* Set PCIe v2, root port, slot support */
bridge->pcie_conf.cap = PCI_EXP_TYPE_ROOT_PORT << 4 | 2 |
PCI_EXP_FLAGS_SLOT;
bridge->pcie_conf.cap =
cpu_to_le16(PCI_EXP_TYPE_ROOT_PORT << 4 | 2 |
PCI_EXP_FLAGS_SLOT);
bridge->pcie_cap_regs_behavior =
kmemdup(pcie_cap_regs_behavior,
sizeof(pcie_cap_regs_behavior),
@ -327,7 +328,7 @@ int pci_bridge_emul_conf_read(struct pci_bridge_emul *bridge, int where,
int reg = where & ~3;
pci_bridge_emul_read_status_t (*read_op)(struct pci_bridge_emul *bridge,
int reg, u32 *value);
u32 *cfgspace;
__le32 *cfgspace;
const struct pci_bridge_reg_behavior *behavior;
if (bridge->has_pcie && reg >= PCI_CAP_PCIE_END) {
@ -343,11 +344,11 @@ int pci_bridge_emul_conf_read(struct pci_bridge_emul *bridge, int where,
if (bridge->has_pcie && reg >= PCI_CAP_PCIE_START) {
reg -= PCI_CAP_PCIE_START;
read_op = bridge->ops->read_pcie;
cfgspace = (u32 *) &bridge->pcie_conf;
cfgspace = (__le32 *) &bridge->pcie_conf;
behavior = bridge->pcie_cap_regs_behavior;
} else {
read_op = bridge->ops->read_base;
cfgspace = (u32 *) &bridge->conf;
cfgspace = (__le32 *) &bridge->conf;
behavior = bridge->pci_regs_behavior;
}
@ -357,7 +358,7 @@ int pci_bridge_emul_conf_read(struct pci_bridge_emul *bridge, int where,
ret = PCI_BRIDGE_EMUL_NOT_HANDLED;
if (ret == PCI_BRIDGE_EMUL_NOT_HANDLED)
*value = cfgspace[reg / 4];
*value = le32_to_cpu(cfgspace[reg / 4]);
/*
* Make sure we never return any reserved bit with a value
@ -387,7 +388,7 @@ int pci_bridge_emul_conf_write(struct pci_bridge_emul *bridge, int where,
int mask, ret, old, new, shift;
void (*write_op)(struct pci_bridge_emul *bridge, int reg,
u32 old, u32 new, u32 mask);
u32 *cfgspace;
__le32 *cfgspace;
const struct pci_bridge_reg_behavior *behavior;
if (bridge->has_pcie && reg >= PCI_CAP_PCIE_END)
@ -414,11 +415,11 @@ int pci_bridge_emul_conf_write(struct pci_bridge_emul *bridge, int where,
if (bridge->has_pcie && reg >= PCI_CAP_PCIE_START) {
reg -= PCI_CAP_PCIE_START;
write_op = bridge->ops->write_pcie;
cfgspace = (u32 *) &bridge->pcie_conf;
cfgspace = (__le32 *) &bridge->pcie_conf;
behavior = bridge->pcie_cap_regs_behavior;
} else {
write_op = bridge->ops->write_base;
cfgspace = (u32 *) &bridge->conf;
cfgspace = (__le32 *) &bridge->conf;
behavior = bridge->pci_regs_behavior;
}
@ -431,7 +432,7 @@ int pci_bridge_emul_conf_write(struct pci_bridge_emul *bridge, int where,
/* Clear the W1C bits */
new &= ~((value << shift) & (behavior[reg / 4].w1c & mask));
cfgspace[reg / 4] = new;
cfgspace[reg / 4] = cpu_to_le32(new);
if (write_op)
write_op(bridge, reg, old, new, mask);

78
drivers/pci/pci-bridge-emul.h
View File

@ -6,65 +6,65 @@
/* PCI configuration space of a PCI-to-PCI bridge. */
struct pci_bridge_emul_conf {
u16 vendor;
u16 device;
u16 command;
u16 status;
u32 class_revision;
__le16 vendor;
__le16 device;
__le16 command;
__le16 status;
__le32 class_revision;
u8 cache_line_size;
u8 latency_timer;
u8 header_type;
u8 bist;
u32 bar[2];
__le32 bar[2];
u8 primary_bus;
u8 secondary_bus;
u8 subordinate_bus;
u8 secondary_latency_timer;
u8 iobase;
u8 iolimit;
u16 secondary_status;
u16 membase;
u16 memlimit;
u16 pref_mem_base;
u16 pref_mem_limit;
u32 prefbaseupper;
u32 preflimitupper;
u16 iobaseupper;
u16 iolimitupper;
__le16 secondary_status;
__le16 membase;
__le16 memlimit;
__le16 pref_mem_base;
__le16 pref_mem_limit;
__le32 prefbaseupper;
__le32 preflimitupper;
__le16 iobaseupper;
__le16 iolimitupper;
u8 capabilities_pointer;
u8 reserve[3];
u32 romaddr;
__le32 romaddr;
u8 intline;
u8 intpin;
u16 bridgectrl;
__le16 bridgectrl;
};
/* PCI configuration space of the PCIe capabilities */
struct pci_bridge_emul_pcie_conf {
u8 cap_id;
u8 next;
u16 cap;
u32 devcap;
u16 devctl;
u16 devsta;
u32 lnkcap;
u16 lnkctl;
u16 lnksta;
u32 slotcap;
u16 slotctl;
u16 slotsta;
u16 rootctl;
u16 rsvd;
u32 rootsta;
u32 devcap2;
u16 devctl2;
u16 devsta2;
u32 lnkcap2;
u16 lnkctl2;
u16 lnksta2;
u32 slotcap2;
u16 slotctl2;
u16 slotsta2;
__le16 cap;
__le32 devcap;
__le16 devctl;
__le16 devsta;
__le32 lnkcap;
__le16 lnkctl;
__le16 lnksta;
__le32 slotcap;
__le16 slotctl;
__le16 slotsta;
__le16 rootctl;
__le16 rootcap;
__le32 rootsta;
__le32 devcap2;
__le16 devctl2;
__le16 devsta2;
__le32 lnkcap2;
__le16 lnkctl2;
__le16 lnksta2;
__le32 slotcap2;
__le16 slotctl2;
__le16 slotsta2;
};
struct pci_bridge_emul;

16
drivers/pwm/pwm-img.c
View File

@ -329,23 +329,7 @@ err_pm_disable:
static int img_pwm_remove(struct platform_device *pdev)
{
struct img_pwm_chip *pwm_chip = platform_get_drvdata(pdev);
u32 val;
unsigned int i;
int ret;
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
pm_runtime_put(&pdev->dev);
return ret;
}
for (i = 0; i < pwm_chip->chip.npwm; i++) {
val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
val &= ~BIT(i);
img_pwm_writel(pwm_chip, PWM_CTRL_CFG, val);
}
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
img_pwm_runtime_suspend(&pdev->dev);

10
drivers/pwm/pwm-lpc32xx.c
View File

@ -120,17 +120,17 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
lpc32xx->chip.npwm = 1;
lpc32xx->chip.base = -1;
/* If PWM is disabled, configure the output to the default value */
val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
val &= ~PWM_PIN_LEVEL;
writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
ret = pwmchip_add(&lpc32xx->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to add PWM chip, error %d\n", ret);
return ret;
}
/* When PWM is disable, configure the output to the default value */
val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
val &= ~PWM_PIN_LEVEL;
writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
platform_set_drvdata(pdev, lpc32xx);
return 0;

14
drivers/pwm/pwm-rockchip.c
View File

@ -383,20 +383,6 @@ static int rockchip_pwm_remove(struct platform_device *pdev)
{
struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev);
/*
* Disable the PWM clk before unpreparing it if the PWM device is still
* running. This should only happen when the last PWM user left it
* enabled, or when nobody requested a PWM that was previously enabled
* by the bootloader.
*
* FIXME: Maybe the core should disable all PWM devices in
* pwmchip_remove(). In this case we'd only have to call
* clk_unprepare() after pwmchip_remove().
*
*/
if (pwm_is_enabled(pc->chip.pwms))
clk_disable(pc->clk);
clk_unprepare(pc->pclk);
clk_unprepare(pc->clk);

2
drivers/pwm/pwm-stm32-lp.c
View File

@ -225,8 +225,6 @@ static int stm32_pwm_lp_remove(struct platform_device *pdev)
{
struct stm32_pwm_lp *priv = platform_get_drvdata(pdev);
pwm_disable(&priv->chip.pwms[0]);
return pwmchip_remove(&priv->chip);
}

1
drivers/rtc/Kconfig
View File

@ -625,6 +625,7 @@ config RTC_DRV_FM3130
config RTC_DRV_RX8010
tristate "Epson RX8010SJ"
select REGMAP_I2C
help
If you say yes here you get support for the Epson RX8010SJ RTC
chip.

2
drivers/staging/rtl8192u/r8192U_core.c
View File

@ -4338,7 +4338,7 @@ static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
(ether_addr_equal(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
&& (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
bpacket_toself = bpacket_match_bssid &
bpacket_toself = bpacket_match_bssid &&
(ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr));
if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)

1
drivers/thermal/samsung/exynos_tmu.c
View File

@ -1070,6 +1070,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
if (IS_ERR(data->sclk)) {
dev_err(&pdev->dev, "Failed to get sclk\n");
ret = PTR_ERR(data->sclk);
goto err_clk;
} else {
ret = clk_prepare_enable(data->sclk);

31
drivers/tty/vt/vt.c
View File

@ -2070,7 +2070,7 @@ static void restore_cur(struct vc_data *vc)
enum { ESnormal, ESesc, ESsquare, ESgetpars, ESfunckey,
EShash, ESsetG0, ESsetG1, ESpercent, EScsiignore, ESnonstd,
ESpalette, ESosc };
ESpalette, ESosc, ESapc, ESpm, ESdcs };
/* console_lock is held (except via vc_init()) */
static void reset_terminal(struct vc_data *vc, int do_clear)
@ -2124,20 +2124,28 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
csi_J(vc, 2);
}
/* is this state an ANSI control string? */
static bool ansi_control_string(unsigned int state)
{
if (state == ESosc || state == ESapc || state == ESpm || state == ESdcs)
return true;
return false;
}
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
{
/*
* Control characters can be used in the _middle_
* of an escape sequence.
* of an escape sequence, aside from ANSI control strings.
*/
if (vc->vc_state == ESosc && c>=8 && c<=13) /* ... except for OSC */
if (ansi_control_string(vc->vc_state) && c >= 8 && c <= 13)
return;
switch (c) {
case 0:
return;
case 7:
if (vc->vc_state == ESosc)
if (ansi_control_string(vc->vc_state))
vc->vc_state = ESnormal;
else if (vc->vc_bell_duration)
kd_mksound(vc->vc_bell_pitch, vc->vc_bell_duration);
@ -2196,6 +2204,12 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
case ']':
vc->vc_state = ESnonstd;
return;
case '_':
vc->vc_state = ESapc;
return;
case '^':
vc->vc_state = ESpm;
return;
case '%':
vc->vc_state = ESpercent;
return;
@ -2212,6 +2226,9 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
case 'H':
vc->vc_tab_stop[7 & (vc->vc_x >> 5)] |= (1 << (vc->vc_x & 31));
return;
case 'P':
vc->vc_state = ESdcs;
return;
case 'Z':
respond_ID(tty);
return;
@ -2531,8 +2548,14 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_translate = set_translate(vc->vc_G1_charset, vc);
vc->vc_state = ESnormal;
return;
case ESapc:
return;
case ESosc:
return;
case ESpm:
return;
case ESdcs:
return;
default:
vc->vc_state = ESnormal;
}

7
fs/btrfs/volumes.c
View File

@ -742,6 +742,8 @@ static int btrfs_free_stale_devices(const char *path,
struct btrfs_device *device, *tmp_device;
int ret = 0;
lockdep_assert_held(&uuid_mutex);
if (path)
ret = -ENOENT;
@ -1181,11 +1183,12 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
struct btrfs_device *orig_dev;
int ret = 0;
lockdep_assert_held(&uuid_mutex);
fs_devices = alloc_fs_devices(orig->fsid, NULL);
if (IS_ERR(fs_devices))
return fs_devices;
mutex_lock(&orig->device_list_mutex);
fs_devices->total_devices = orig->total_devices;
list_for_each_entry(orig_dev, &orig->devices, dev_list) {
@ -1217,10 +1220,8 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
device->fs_devices = fs_devices;
fs_devices->num_devices++;
}
mutex_unlock(&orig->device_list_mutex);
return fs_devices;
error:
mutex_unlock(&orig->device_list_mutex);
free_fs_devices(fs_devices);
return ERR_PTR(ret);
}

2
fs/ceph/caps.c
View File

@ -1775,6 +1775,8 @@ static u64 __mark_caps_flushing(struct inode *inode,
* try to invalidate mapping pages without blocking.
*/
static int try_nonblocking_invalidate(struct inode *inode)
__releases(ci->i_ceph_lock)
__acquires(ci->i_ceph_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
u32 invalidating_gen = ci->i_rdcache_gen;

34
fs/ceph/file.c
View File

@ -1469,22 +1469,6 @@ retry_snap:
goto out;
}
err = file_remove_privs(file);
if (err)
goto out;
err = file_update_time(file);
if (err)
goto out;
inode_inc_iversion_raw(inode);
if (ci->i_inline_version != CEPH_INLINE_NONE) {
err = ceph_uninline_data(file, NULL);
if (err < 0)
goto out;
}
down_read(&osdc->lock);
map_flags = osdc->osdmap->flags;
pool_flags = ceph_pg_pool_flags(osdc->osdmap, ci->i_layout.pool_id);
@ -1495,6 +1479,16 @@ retry_snap:
goto out;
}
err = file_remove_privs(file);
if (err)
goto out;
if (ci->i_inline_version != CEPH_INLINE_NONE) {
err = ceph_uninline_data(file, NULL);
if (err < 0)
goto out;
}
dout("aio_write %p %llx.%llx %llu~%zd getting caps. i_size %llu\n",
inode, ceph_vinop(inode), pos, count, i_size_read(inode));
if (fi->fmode & CEPH_FILE_MODE_LAZY)
@ -1507,6 +1501,12 @@ retry_snap:
if (err < 0)
goto out;
err = file_update_time(file);
if (err)
goto out_caps;
inode_inc_iversion_raw(inode);
dout("aio_write %p %llx.%llx %llu~%zd got cap refs on %s\n",
inode, ceph_vinop(inode), pos, count, ceph_cap_string(got));
@ -1590,6 +1590,8 @@ retry_snap:
}
goto out_unlocked;
out_caps:
ceph_put_cap_refs(ci, got);
out:
if (direct_lock)
ceph_end_io_direct(inode);

26
fs/nilfs2/sysfs.c
View File

@ -64,11 +64,9 @@ static const struct sysfs_ops nilfs_##name##_attr_ops = { \
#define NILFS_DEV_INT_GROUP_TYPE(name, parent_name) \
static void nilfs_##name##_attr_release(struct kobject *kobj) \
{ \
struct nilfs_sysfs_##parent_name##_subgroups *subgroups; \
struct the_nilfs *nilfs = container_of(kobj->parent, \
struct the_nilfs, \
ns_##parent_name##_kobj); \
subgroups = nilfs->ns_##parent_name##_subgroups; \
struct nilfs_sysfs_##parent_name##_subgroups *subgroups = container_of(kobj, \
struct nilfs_sysfs_##parent_name##_subgroups, \
sg_##name##_kobj); \
complete(&subgroups->sg_##name##_kobj_unregister); \
} \
static struct kobj_type nilfs_##name##_ktype = { \
@ -94,12 +92,12 @@ static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
err = kobject_init_and_add(kobj, &nilfs_##name##_ktype, parent, \
#name); \
if (err) \
return err; \
return 0; \
kobject_put(kobj); \
return err; \
} \
static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
{ \
kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
}
/************************************************************************
@ -210,14 +208,14 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root)
}
if (err)
return err;
kobject_put(&root->snapshot_kobj);
return 0;
return err;
}
void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root)
{
kobject_del(&root->snapshot_kobj);
kobject_put(&root->snapshot_kobj);
}
/************************************************************************
@ -1000,7 +998,7 @@ int nilfs_sysfs_create_device_group(struct super_block *sb)
err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,
"%s", sb->s_id);
if (err)
goto free_dev_subgroups;
goto cleanup_dev_kobject;
err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);
if (err)
@ -1037,9 +1035,7 @@ delete_mounted_snapshots_group:
nilfs_sysfs_delete_mounted_snapshots_group(nilfs);
cleanup_dev_kobject:
kobject_del(&nilfs->ns_dev_kobj);
free_dev_subgroups:
kobject_put(&nilfs->ns_dev_kobj);
kfree(nilfs->ns_dev_subgroups);
failed_create_device_group:

9
fs/nilfs2/the_nilfs.c
View File

@ -797,14 +797,13 @@ nilfs_find_or_create_root(struct the_nilfs *nilfs, __u64 cno)
void nilfs_put_root(struct nilfs_root *root)
{
if (refcount_dec_and_test(&root->count)) {
struct the_nilfs *nilfs = root->nilfs;
struct the_nilfs *nilfs = root->nilfs;
nilfs_sysfs_delete_snapshot_group(root);
spin_lock(&nilfs->ns_cptree_lock);
if (refcount_dec_and_lock(&root->count, &nilfs->ns_cptree_lock)) {
rb_erase(&root->rb_node, &nilfs->ns_cptree);
spin_unlock(&nilfs->ns_cptree_lock);
nilfs_sysfs_delete_snapshot_group(root);
iput(root->ifile);
kfree(root);

18
include/linux/cacheinfo.h
View File

@ -78,24 +78,6 @@ struct cpu_cacheinfo {
bool cpu_map_populated;
};
/*
* Helpers to make sure "func" is executed on the cpu whose cache
* attributes are being detected
*/
#define DEFINE_SMP_CALL_CACHE_FUNCTION(func) \
static inline void _##func(void *ret) \
{ \
int cpu = smp_processor_id(); \
*(int *)ret = __##func(cpu); \
} \
\
int func(unsigned int cpu) \
{ \
int ret; \
smp_call_function_single(cpu, _##func, &ret, true); \
return ret; \
}
struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu);
int init_cache_level(unsigned int cpu);
int populate_cache_leaves(unsigned int cpu);

11
include/linux/kvm_host.h
View File

@ -266,7 +266,8 @@ struct kvm_vcpu {
struct preempt_notifier preempt_notifier;
#endif
int cpu;
int vcpu_id;
int vcpu_id; /* id given by userspace at creation */
int vcpu_idx; /* index in kvm->vcpus array */
int srcu_idx;
int mode;
u64 requests;
@ -571,13 +572,7 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
static inline int kvm_vcpu_get_idx(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu *tmp;
int idx;
kvm_for_each_vcpu(idx, tmp, vcpu->kvm)
if (tmp == vcpu)
return idx;
BUG();
return vcpu->vcpu_idx;
}
#define kvm_for_each_memslot(memslot, slots) \

1
include/linux/pci-ecam.h
View File

@ -51,6 +51,7 @@ extern struct pci_ecam_ops pci_generic_ecam_ops;
#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
extern struct pci_ecam_ops pci_32b_ops; /* 32-bit accesses only */
extern struct pci_ecam_ops pci_32b_read_ops; /* 32-bit read only */
extern struct pci_ecam_ops hisi_pcie_ops; /* HiSilicon */
extern struct pci_ecam_ops thunder_pem_ecam_ops; /* Cavium ThunderX 1.x & 2.x */
extern struct pci_ecam_ops pci_thunder_ecam_ops; /* Cavium ThunderX 1.x */

5
include/linux/thermal.h
View File

@ -501,12 +501,13 @@ static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
static inline void thermal_zone_set_trips(struct thermal_zone_device *tz)
{ }
static inline struct thermal_cooling_device *
thermal_cooling_device_register(char *type, void *devdata,
thermal_cooling_device_register(const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{ return ERR_PTR(-ENODEV); }
static inline struct thermal_cooling_device *
thermal_of_cooling_device_register(struct device_node *np,
char *type, void *devdata, const struct thermal_cooling_device_ops *ops)
const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{ return ERR_PTR(-ENODEV); }
static inline struct thermal_cooling_device *
devm_thermal_of_cooling_device_register(struct device *dev,

21
kernel/profile.c
View File

@ -41,7 +41,8 @@ struct profile_hit {
#define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ)
static atomic_t *prof_buffer;
static unsigned long prof_len, prof_shift;
static unsigned long prof_len;
static unsigned short int prof_shift;
int prof_on __read_mostly;
EXPORT_SYMBOL_GPL(prof_on);
@ -67,8 +68,8 @@ int profile_setup(char *str)
if (str[strlen(sleepstr)] == ',')
str += strlen(sleepstr) + 1;
if (get_option(&str, &par))
prof_shift = par;
pr_info("kernel sleep profiling enabled (shift: %ld)\n",
prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
pr_info("kernel sleep profiling enabled (shift: %u)\n",
prof_shift);
#else
pr_warn("kernel sleep profiling requires CONFIG_SCHEDSTATS\n");
@ -78,21 +79,21 @@ int profile_setup(char *str)
if (str[strlen(schedstr)] == ',')
str += strlen(schedstr) + 1;
if (get_option(&str, &par))
prof_shift = par;
pr_info("kernel schedule profiling enabled (shift: %ld)\n",
prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
pr_info("kernel schedule profiling enabled (shift: %u)\n",
prof_shift);
} else if (!strncmp(str, kvmstr, strlen(kvmstr))) {
prof_on = KVM_PROFILING;
if (str[strlen(kvmstr)] == ',')
str += strlen(kvmstr) + 1;
if (get_option(&str, &par))
prof_shift = par;
pr_info("kernel KVM profiling enabled (shift: %ld)\n",
prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
pr_info("kernel KVM profiling enabled (shift: %u)\n",
prof_shift);
} else if (get_option(&str, &par)) {
prof_shift = par;
prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
prof_on = CPU_PROFILING;
pr_info("kernel profiling enabled (shift: %ld)\n",
pr_info("kernel profiling enabled (shift: %u)\n",
prof_shift);
}
return 1;
@ -468,7 +469,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
unsigned long p = *ppos;
ssize_t read;
char *pnt;
unsigned int sample_step = 1 << prof_shift;
unsigned long sample_step = 1UL << prof_shift;
profile_flip_buffers();
if (p >= (prof_len+1)*sizeof(unsigned int))

7
kernel/sys.c
View File

@ -1927,13 +1927,6 @@ static int validate_prctl_map_addr(struct prctl_mm_map *prctl_map)
error = -EINVAL;
/*
* @brk should be after @end_data in traditional maps.
*/
if (prctl_map->start_brk <= prctl_map->end_data ||
prctl_map->brk <= prctl_map->end_data)
goto out;
/*
* Neither we should allow to override limits if they set.
*/

1
lib/Kconfig.debug
View File

@ -868,7 +868,6 @@ config HARDLOCKUP_DETECTOR
depends on HAVE_HARDLOCKUP_DETECTOR_PERF || HAVE_HARDLOCKUP_DETECTOR_ARCH
select LOCKUP_DETECTOR
select HARDLOCKUP_DETECTOR_PERF if HAVE_HARDLOCKUP_DETECTOR_PERF
select HARDLOCKUP_DETECTOR_ARCH if HAVE_HARDLOCKUP_DETECTOR_ARCH
help
Say Y here to enable the kernel to act as a watchdog to detect
hard lockups.

4
net/9p/trans_virtio.c
View File

@ -605,7 +605,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
chan->vc_wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
if (!chan->vc_wq) {
err = -ENOMEM;
goto out_free_tag;
goto out_remove_file;
}
init_waitqueue_head(chan->vc_wq);
chan->ring_bufs_avail = 1;
@ -623,6 +623,8 @@ static int p9_virtio_probe(struct virtio_device *vdev)
return 0;
out_remove_file:
sysfs_remove_file(&vdev->dev.kobj, &dev_attr_mount_tag.attr);
out_free_tag:
kfree(tag);
out_free_vq:

3
net/sctp/input.c
View File

@ -1168,6 +1168,9 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
union sctp_addr_param *param;
union sctp_addr paddr;
if (ntohs(ch->length) < sizeof(*asconf) + sizeof(struct sctp_paramhdr))
return NULL;
/* Skip over the ADDIP header and find the Address parameter */
param = (union sctp_addr_param *)(asconf + 1);

13
net/sctp/sm_make_chunk.c
View File

@ -2157,9 +2157,16 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
break;
case SCTP_PARAM_SET_PRIMARY:
if (ep->asconf_enable)
break;
goto unhandled;
if (!ep->asconf_enable)
goto unhandled;
if (ntohs(param.p->length) < sizeof(struct sctp_addip_param) +
sizeof(struct sctp_paramhdr)) {
sctp_process_inv_paramlength(asoc, param.p,
chunk, err_chunk);
retval = SCTP_IERROR_ABORT;
}
break;
case SCTP_PARAM_HOST_NAME_ADDRESS:
/* Tell the peer, we won't support this param. */

3
security/apparmor/apparmorfs.c
View File

@ -1960,9 +1960,6 @@ fail2:
return error;
}
#define list_entry_is_head(pos, head, member) (&pos->member == (head))
/**
* __next_ns - find the next namespace to list
* @root: root namespace to stop search at (NOT NULL)

5
virt/kvm/kvm_main.c
View File

@ -2864,7 +2864,8 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto unlock_vcpu_destroy;
}
BUG_ON(kvm->vcpus[atomic_read(&kvm->online_vcpus)]);
vcpu->vcpu_idx = atomic_read(&kvm->online_vcpus);
BUG_ON(kvm->vcpus[vcpu->vcpu_idx]);
/* Now it's all set up, let userspace reach it */
kvm_get_kvm(kvm);
@ -2874,7 +2875,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto unlock_vcpu_destroy;
}
kvm->vcpus[atomic_read(&kvm->online_vcpus)] = vcpu;
kvm->vcpus[vcpu->vcpu_idx] = vcpu;
/*
* Pairs with smp_rmb() in kvm_get_vcpu. Write kvm->vcpus