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-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/ceph/libceph.h2
-rw-r--r--include/linux/ceph/osd_client.h1
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/genhd.h8
-rw-r--r--include/linux/hugetlb.h5
-rw-r--r--include/linux/irqchip/arm-gic-v3.h2
-rw-r--r--include/linux/jump_label.h11
-rw-r--r--include/linux/kasan.h1
-rw-r--r--include/linux/mm.h34
-rw-r--r--include/linux/random.h18
-rw-r--r--include/linux/regulator/machine.h2
-rw-r--r--include/linux/user_namespace.h2
-rw-r--r--include/linux/userfaultfd_k.h13
-rw-r--r--include/linux/vm_event_item.h3
-rw-r--r--include/linux/wait.h31
16 files changed, 81 insertions, 55 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 796016e63c1d..5a7da607ca04 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -435,7 +435,6 @@ struct request_queue {
struct delayed_work delay_work;
struct backing_dev_info *backing_dev_info;
- struct disk_devt *disk_devt;
/*
* The queue owner gets to use this for whatever they like.
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 1816c5e26581..88cd5dc8e238 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -48,6 +48,7 @@ struct ceph_options {
unsigned long mount_timeout; /* jiffies */
unsigned long osd_idle_ttl; /* jiffies */
unsigned long osd_keepalive_timeout; /* jiffies */
+ unsigned long osd_request_timeout; /* jiffies */
/*
* any type that can't be simply compared or doesn't need need
@@ -68,6 +69,7 @@ struct ceph_options {
#define CEPH_MOUNT_TIMEOUT_DEFAULT msecs_to_jiffies(60 * 1000)
#define CEPH_OSD_KEEPALIVE_DEFAULT msecs_to_jiffies(5 * 1000)
#define CEPH_OSD_IDLE_TTL_DEFAULT msecs_to_jiffies(60 * 1000)
+#define CEPH_OSD_REQUEST_TIMEOUT_DEFAULT 0 /* no timeout */
#define CEPH_MONC_HUNT_INTERVAL msecs_to_jiffies(3 * 1000)
#define CEPH_MONC_PING_INTERVAL msecs_to_jiffies(10 * 1000)
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 2ea0c282f3dc..c125b5d9e13c 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -189,6 +189,7 @@ struct ceph_osd_request {
/* internal */
unsigned long r_stamp; /* jiffies, send or check time */
+ unsigned long r_start_stamp; /* jiffies */
int r_attempts;
struct ceph_eversion r_replay_version; /* aka reassert_version */
u32 r_last_force_resend;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index aad3fd0ff5f8..7251f7bb45e8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2678,7 +2678,7 @@ static const char * const kernel_read_file_str[] = {
static inline const char *kernel_read_file_id_str(enum kernel_read_file_id id)
{
- if (id < 0 || id >= READING_MAX_ID)
+ if ((unsigned)id >= READING_MAX_ID)
return kernel_read_file_str[READING_UNKNOWN];
return kernel_read_file_str[id];
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index a999d281a2f1..76f39754e7b0 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -167,13 +167,6 @@ struct blk_integrity {
};
#endif /* CONFIG_BLK_DEV_INTEGRITY */
-struct disk_devt {
- atomic_t count;
- void (*release)(struct disk_devt *disk_devt);
-};
-
-void put_disk_devt(struct disk_devt *disk_devt);
-void get_disk_devt(struct disk_devt *disk_devt);
struct gendisk {
/* major, first_minor and minors are input parameters only,
@@ -183,7 +176,6 @@ struct gendisk {
int first_minor;
int minors; /* maximum number of minors, =1 for
* disks that can't be partitioned. */
- struct disk_devt *disk_devt;
char disk_name[DISK_NAME_LEN]; /* name of major driver */
char *(*devnode)(struct gendisk *gd, umode_t *mode);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 503099d8aada..b857fc8cc2ec 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -122,7 +122,7 @@ struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
pud_t *pud, int flags);
int pmd_huge(pmd_t pmd);
-int pud_huge(pud_t pmd);
+int pud_huge(pud_t pud);
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot);
@@ -197,6 +197,9 @@ static inline void __unmap_hugepage_range(struct mmu_gather *tlb,
#ifndef pgd_huge
#define pgd_huge(x) 0
#endif
+#ifndef p4d_huge
+#define p4d_huge(x) 0
+#endif
#ifndef pgd_write
static inline int pgd_write(pgd_t pgd)
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 672cfef72fc8..97cbca19430d 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -373,6 +373,8 @@
#define ICC_IGRPEN0_EL1_MASK (1 << ICC_IGRPEN0_EL1_SHIFT)
#define ICC_IGRPEN1_EL1_SHIFT 0
#define ICC_IGRPEN1_EL1_MASK (1 << ICC_IGRPEN1_EL1_SHIFT)
+#define ICC_SRE_EL1_DIB (1U << 2)
+#define ICC_SRE_EL1_DFB (1U << 1)
#define ICC_SRE_EL1_SRE (1U << 0)
/*
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 8e06d758ee48..2afd74b9d844 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -90,6 +90,13 @@ extern bool static_key_initialized;
struct static_key {
atomic_t enabled;
/*
+ * Note:
+ * To make anonymous unions work with old compilers, the static
+ * initialization of them requires brackets. This creates a dependency
+ * on the order of the struct with the initializers. If any fields
+ * are added, STATIC_KEY_INIT_TRUE and STATIC_KEY_INIT_FALSE may need
+ * to be modified.
+ *
* bit 0 => 1 if key is initially true
* 0 if initially false
* bit 1 => 1 if points to struct static_key_mod
@@ -166,10 +173,10 @@ extern void static_key_disable(struct static_key *key);
*/
#define STATIC_KEY_INIT_TRUE \
{ .enabled = { 1 }, \
- .entries = (void *)JUMP_TYPE_TRUE }
+ { .entries = (void *)JUMP_TYPE_TRUE } }
#define STATIC_KEY_INIT_FALSE \
{ .enabled = { 0 }, \
- .entries = (void *)JUMP_TYPE_FALSE }
+ { .entries = (void *)JUMP_TYPE_FALSE } }
#else /* !HAVE_JUMP_LABEL */
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index ceb3fe78a0d3..1c823bef4c15 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -18,6 +18,7 @@ extern unsigned char kasan_zero_page[PAGE_SIZE];
extern pte_t kasan_zero_pte[PTRS_PER_PTE];
extern pmd_t kasan_zero_pmd[PTRS_PER_PMD];
extern pud_t kasan_zero_pud[PTRS_PER_PUD];
+extern p4d_t kasan_zero_p4d[PTRS_PER_P4D];
void kasan_populate_zero_shadow(const void *shadow_start,
const void *shadow_end);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0d65dd72c0f4..5f01c88f0800 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1560,14 +1560,24 @@ static inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,
return ptep;
}
+#ifdef __PAGETABLE_P4D_FOLDED
+static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long address)
+{
+ return 0;
+}
+#else
+int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
+#endif
+
#ifdef __PAGETABLE_PUD_FOLDED
-static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
+static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d,
unsigned long address)
{
return 0;
}
#else
-int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
+int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, unsigned long address);
#endif
#if defined(__PAGETABLE_PMD_FOLDED) || !defined(CONFIG_MMU)
@@ -1619,11 +1629,22 @@ int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);
* Remove it when 4level-fixup.h has been removed.
*/
#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)
-static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
+
+#ifndef __ARCH_HAS_5LEVEL_HACK
+static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long address)
+{
+ return (unlikely(pgd_none(*pgd)) && __p4d_alloc(mm, pgd, address)) ?
+ NULL : p4d_offset(pgd, address);
+}
+
+static inline pud_t *pud_alloc(struct mm_struct *mm, p4d_t *p4d,
+ unsigned long address)
{
- return (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?
- NULL: pud_offset(pgd, address);
+ return (unlikely(p4d_none(*p4d)) && __pud_alloc(mm, p4d, address)) ?
+ NULL : pud_offset(p4d, address);
}
+#endif /* !__ARCH_HAS_5LEVEL_HACK */
static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
{
@@ -2385,7 +2406,8 @@ void sparse_mem_maps_populate_node(struct page **map_map,
struct page *sparse_mem_map_populate(unsigned long pnum, int nid);
pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
-pud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);
+p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
+pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);
void *vmemmap_alloc_block(unsigned long size, int node);
diff --git a/include/linux/random.h b/include/linux/random.h
index 7bd2403e4fef..ed5c3838780d 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -37,14 +37,26 @@ extern void get_random_bytes(void *buf, int nbytes);
extern int add_random_ready_callback(struct random_ready_callback *rdy);
extern void del_random_ready_callback(struct random_ready_callback *rdy);
extern void get_random_bytes_arch(void *buf, int nbytes);
-extern int random_int_secret_init(void);
#ifndef MODULE
extern const struct file_operations random_fops, urandom_fops;
#endif
-unsigned int get_random_int(void);
-unsigned long get_random_long(void);
+u32 get_random_u32(void);
+u64 get_random_u64(void);
+static inline unsigned int get_random_int(void)
+{
+ return get_random_u32();
+}
+static inline unsigned long get_random_long(void)
+{
+#if BITS_PER_LONG == 64
+ return get_random_u64();
+#else
+ return get_random_u32();
+#endif
+}
+
unsigned long randomize_page(unsigned long start, unsigned long range);
u32 prandom_u32(void);
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index ad3e5158e586..c9f795e9a2ee 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -65,7 +65,7 @@ struct regulator_state {
int uV; /* suspend voltage */
unsigned int mode; /* suspend regulator operating mode */
int enabled; /* is regulator enabled in this suspend state */
- int disabled; /* is the regulator disbled in this suspend state */
+ int disabled; /* is the regulator disabled in this suspend state */
};
/**
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index be765234c0a2..32354b4b4b2b 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -72,7 +72,7 @@ struct ucounts {
struct hlist_node node;
struct user_namespace *ns;
kuid_t uid;
- atomic_t count;
+ int count;
atomic_t ucount[UCOUNT_COUNTS];
};
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index 0468548acebf..48a3483dccb1 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -61,8 +61,7 @@ extern void mremap_userfaultfd_complete(struct vm_userfaultfd_ctx *,
unsigned long from, unsigned long to,
unsigned long len);
-extern void userfaultfd_remove(struct vm_area_struct *vma,
- struct vm_area_struct **prev,
+extern bool userfaultfd_remove(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
@@ -72,8 +71,6 @@ extern int userfaultfd_unmap_prep(struct vm_area_struct *vma,
extern void userfaultfd_unmap_complete(struct mm_struct *mm,
struct list_head *uf);
-extern void userfaultfd_exit(struct mm_struct *mm);
-
#else /* CONFIG_USERFAULTFD */
/* mm helpers */
@@ -120,11 +117,11 @@ static inline void mremap_userfaultfd_complete(struct vm_userfaultfd_ctx *ctx,
{
}
-static inline void userfaultfd_remove(struct vm_area_struct *vma,
- struct vm_area_struct **prev,
+static inline bool userfaultfd_remove(struct vm_area_struct *vma,
unsigned long start,
unsigned long end)
{
+ return true;
}
static inline int userfaultfd_unmap_prep(struct vm_area_struct *vma,
@@ -139,10 +136,6 @@ static inline void userfaultfd_unmap_complete(struct mm_struct *mm,
{
}
-static inline void userfaultfd_exit(struct mm_struct *mm)
-{
-}
-
#endif /* CONFIG_USERFAULTFD */
#endif /* _LINUX_USERFAULTFD_K_H */
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 6aa1b6cb5828..a80b7b59cf33 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -79,6 +79,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
THP_SPLIT_PAGE_FAILED,
THP_DEFERRED_SPLIT_PAGE,
THP_SPLIT_PMD,
+#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
+ THP_SPLIT_PUD,
+#endif
THP_ZERO_PAGE_ALLOC,
THP_ZERO_PAGE_ALLOC_FAILED,
#endif
diff --git a/include/linux/wait.h b/include/linux/wait.h
index aacb1282d19a..db076ca7f11d 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -620,30 +620,19 @@ do { \
__ret; \
})
+extern int do_wait_intr(wait_queue_head_t *, wait_queue_t *);
+extern int do_wait_intr_irq(wait_queue_head_t *, wait_queue_t *);
-#define __wait_event_interruptible_locked(wq, condition, exclusive, irq) \
+#define __wait_event_interruptible_locked(wq, condition, exclusive, fn) \
({ \
- int __ret = 0; \
+ int __ret; \
DEFINE_WAIT(__wait); \
if (exclusive) \
__wait.flags |= WQ_FLAG_EXCLUSIVE; \
do { \
- if (likely(list_empty(&__wait.task_list))) \
- __add_wait_queue_tail(&(wq), &__wait); \
- set_current_state(TASK_INTERRUPTIBLE); \
- if (signal_pending(current)) { \
- __ret = -ERESTARTSYS; \
+ __ret = fn(&(wq), &__wait); \
+ if (__ret) \
break; \
- } \
- if (irq) \
- spin_unlock_irq(&(wq).lock); \
- else \
- spin_unlock(&(wq).lock); \
- schedule(); \
- if (irq) \
- spin_lock_irq(&(wq).lock); \
- else \
- spin_lock(&(wq).lock); \
} while (!(condition)); \
__remove_wait_queue(&(wq), &__wait); \
__set_current_state(TASK_RUNNING); \
@@ -676,7 +665,7 @@ do { \
*/
#define wait_event_interruptible_locked(wq, condition) \
((condition) \
- ? 0 : __wait_event_interruptible_locked(wq, condition, 0, 0))
+ ? 0 : __wait_event_interruptible_locked(wq, condition, 0, do_wait_intr))
/**
* wait_event_interruptible_locked_irq - sleep until a condition gets true
@@ -703,7 +692,7 @@ do { \
*/
#define wait_event_interruptible_locked_irq(wq, condition) \
((condition) \
- ? 0 : __wait_event_interruptible_locked(wq, condition, 0, 1))
+ ? 0 : __wait_event_interruptible_locked(wq, condition, 0, do_wait_intr_irq))
/**
* wait_event_interruptible_exclusive_locked - sleep exclusively until a condition gets true
@@ -734,7 +723,7 @@ do { \
*/
#define wait_event_interruptible_exclusive_locked(wq, condition) \
((condition) \
- ? 0 : __wait_event_interruptible_locked(wq, condition, 1, 0))
+ ? 0 : __wait_event_interruptible_locked(wq, condition, 1, do_wait_intr))
/**
* wait_event_interruptible_exclusive_locked_irq - sleep until a condition gets true
@@ -765,7 +754,7 @@ do { \
*/
#define wait_event_interruptible_exclusive_locked_irq(wq, condition) \
((condition) \
- ? 0 : __wait_event_interruptible_locked(wq, condition, 1, 1))
+ ? 0 : __wait_event_interruptible_locked(wq, condition, 1, do_wait_intr_irq))
#define __wait_event_killable(wq, condition) \