Merge branch 'master' into next

Conflicts:
	include/linux/capability.h

Manually resolve merge conflict w/ thanks to Stephen Rothwell.

Signed-off-by: James Morris <jmorris@namei.org>

31 files changed, 120 insertions, 59 deletions

diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index e612575a2596..b4326bfa684f 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -23,11 +23,11 @@ static inline void bit_spin_lock(int bitnum, unsigned long *addr)
 	preempt_disable();
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
 	while (unlikely(test_and_set_bit_lock(bitnum, addr))) {
-		while (test_bit(bitnum, addr)) {
-			preempt_enable();
+		preempt_enable();
+		do {
 			cpu_relax();
-			preempt_disable();
-		}
+		} while (test_bit(bitnum, addr));
+		preempt_disable();
 	}
 #endif
 	__acquire(bitlock);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index cbbfd98ad4a3..2ad95fa1d130 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -388,20 +388,19 @@ struct request_queue
 #define	QUEUE_FLAG_SYNCFULL	3	/* read queue has been filled */
 #define QUEUE_FLAG_ASYNCFULL	4	/* write queue has been filled */
 #define QUEUE_FLAG_DEAD		5	/* queue being torn down */
-#define QUEUE_FLAG_REENTER	6	/* Re-entrancy avoidance */
-#define QUEUE_FLAG_ELVSWITCH	7	/* don't use elevator, just do FIFO */
-#define QUEUE_FLAG_BIDI		8	/* queue supports bidi requests */
-#define QUEUE_FLAG_NOMERGES     9	/* disable merge attempts */
-#define QUEUE_FLAG_SAME_COMP   10	/* force complete on same CPU */
-#define QUEUE_FLAG_FAIL_IO     11	/* fake timeout */
-#define QUEUE_FLAG_STACKABLE   12	/* supports request stacking */
-#define QUEUE_FLAG_NONROT      13	/* non-rotational device (SSD) */
+#define QUEUE_FLAG_ELVSWITCH	6	/* don't use elevator, just do FIFO */
+#define QUEUE_FLAG_BIDI		7	/* queue supports bidi requests */
+#define QUEUE_FLAG_NOMERGES     8	/* disable merge attempts */
+#define QUEUE_FLAG_SAME_COMP	9	/* force complete on same CPU */
+#define QUEUE_FLAG_FAIL_IO     10	/* fake timeout */
+#define QUEUE_FLAG_STACKABLE   11	/* supports request stacking */
+#define QUEUE_FLAG_NONROT      12	/* non-rotational device (SSD) */
 #define QUEUE_FLAG_VIRT        QUEUE_FLAG_NONROT /* paravirt device */
-#define QUEUE_FLAG_IO_STAT     15	/* do IO stats */
-#define QUEUE_FLAG_DISCARD     16	/* supports DISCARD */
-#define QUEUE_FLAG_NOXMERGES   17	/* No extended merges */
-#define QUEUE_FLAG_ADD_RANDOM  18	/* Contributes to random pool */
-#define QUEUE_FLAG_SECDISCARD  19	/* supports SECDISCARD */
+#define QUEUE_FLAG_IO_STAT     13	/* do IO stats */
+#define QUEUE_FLAG_DISCARD     14	/* supports DISCARD */
+#define QUEUE_FLAG_NOXMERGES   15	/* No extended merges */
+#define QUEUE_FLAG_ADD_RANDOM  16	/* Contributes to random pool */
+#define QUEUE_FLAG_SECDISCARD  17	/* supports SECDISCARD */
 
 #define QUEUE_FLAG_DEFAULT	((1 << QUEUE_FLAG_IO_STAT) |		\
 				 (1 << QUEUE_FLAG_STACKABLE)	|	\
@@ -699,6 +698,7 @@ extern void blk_sync_queue(struct request_queue *q);
 extern void __blk_stop_queue(struct request_queue *q);
 extern void __blk_run_queue(struct request_queue *q);
 extern void blk_run_queue(struct request_queue *);
+extern void blk_run_queue_async(struct request_queue *q);
 extern int blk_rq_map_user(struct request_queue *, struct request *,
 			   struct rq_map_data *, void __user *, unsigned long,
 			   gfp_t);
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index b8613e806aa9..01eca1794e14 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -111,6 +111,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
 	__alloc_bootmem_nopanic(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_node(pgdat, x) \
 	__alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_node_nopanic(pgdat, x) \
+	__alloc_bootmem_node_nopanic(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages_node(pgdat, x) \
 	__alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages_node_nopanic(pgdat, x) \
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 04fed72809de..cb15818310f4 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -541,20 +541,7 @@ extern bool has_capability_noaudit(struct task_struct *t, int cap);
 extern bool capable(int cap);
 extern bool ns_capable(struct user_namespace *ns, int cap);
 extern bool task_ns_capable(struct task_struct *t, int cap);
-
-extern const kernel_cap_t __cap_empty_set;
-
-/**
- * nsown_capable - Check superior capability to one's own user_ns
- * @cap: The capability in question
- *
- * Return true if the current task has the given superior capability
- * targeted at its own user namespace.
- */
-static inline bool nsown_capable(int cap)
-{
-	return ns_capable(current_user_ns(), cap);
-}
+extern bool nsown_capable(int cap);
 
 /* audit system wants to get cap info from files as well */
 extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 9aeeb0ba2003..be16b61283cc 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -146,6 +146,7 @@ struct cred {
 	void		*security;	/* subjective LSM security */
 #endif
 	struct user_struct *user;	/* real user ID subscription */
+	struct user_namespace *user_ns; /* cached user->user_ns */
 	struct group_info *group_info;	/* supplementary groups for euid/fsgid */
 	struct rcu_head	rcu;		/* RCU deletion hook */
 };
@@ -354,10 +355,15 @@ static inline void put_cred(const struct cred *_cred)
 #define current_fsgid() 	(current_cred_xxx(fsgid))
 #define current_cap()		(current_cred_xxx(cap_effective))
 #define current_user()		(current_cred_xxx(user))
-#define _current_user_ns()	(current_cred_xxx(user)->user_ns)
 #define current_security()	(current_cred_xxx(security))
 
-extern struct user_namespace *current_user_ns(void);
+#ifdef CONFIG_USER_NS
+#define current_user_ns() (current_cred_xxx(user_ns))
+#else
+extern struct user_namespace init_user_ns;
+#define current_user_ns() (&init_user_ns)
+#endif
+
 
 #define current_uid_gid(_uid, _gid)		\
 do {						\
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f2afed4fa945..19d90a55541d 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -197,7 +197,7 @@ struct dentry_operations {
       * typically using d_splice_alias. */
 
 #define DCACHE_REFERENCED	0x0008  /* Recently used, don't discard. */
-#define DCACHE_UNHASHED		0x0010	
+#define DCACHE_RCUACCESS	0x0010	/* Entry has ever been RCU-visible */
 #define DCACHE_INOTIFY_PARENT_WATCHED 0x0020
      /* Parent inode is watched by inotify */
 
@@ -384,7 +384,7 @@ extern struct dentry *dget_parent(struct dentry *dentry);
  
 static inline int d_unhashed(struct dentry *dentry)
 {
-	return (dentry->d_flags & DCACHE_UNHASHED);
+	return hlist_bl_unhashed(&dentry->d_hash);
 }
 
 static inline int d_unlinked(struct dentry *dentry)
diff --git a/include/linux/device.h b/include/linux/device.h
index ab8dfc095709..d08399db6e2c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -442,7 +442,6 @@ struct device {
 	struct dev_archdata	archdata;
 
 	struct device_node	*of_node; /* associated device tree node */
-	const struct of_device_id *of_match; /* matching of_device_id from driver */
 
 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */
 
diff --git a/include/linux/fb.h b/include/linux/fb.h
index df728c1c29ed..6a8274877171 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -832,6 +832,7 @@ struct fb_tile_ops {
 #define FBINFO_CAN_FORCE_OUTPUT     0x200000
 
 struct fb_info {
+	atomic_t count;
 	int node;
 	int flags;
 	struct mutex lock;		/* Lock for open/release/ioctl funcs */
diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h
index 70e4efabe0fb..ebeb2f3ad068 100644
--- a/include/linux/flex_array.h
+++ b/include/linux/flex_array.h
@@ -61,7 +61,7 @@ struct flex_array {
 struct flex_array *flex_array_alloc(int element_size, unsigned int total,
 		gfp_t flags);
 int flex_array_prealloc(struct flex_array *fa, unsigned int start,
-		unsigned int end, gfp_t flags);
+		unsigned int nr_elements, gfp_t flags);
 void flex_array_free(struct flex_array *fa);
 void flex_array_free_parts(struct flex_array *fa);
 int flex_array_put(struct flex_array *fa, unsigned int element_nr, void *src,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index dbd860af0804..cdf9495df204 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -358,7 +358,6 @@ struct inodes_stat_t {
 #define FS_EXTENT_FL			0x00080000 /* Extents */
 #define FS_DIRECTIO_FL			0x00100000 /* Use direct i/o */
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
-#define FS_COW_FL			0x02000000 /* Cow file */
 #define FS_RESERVED_FL			0x80000000 /* reserved for ext2 lib */
 
 #define FS_FL_USER_VISIBLE		0x0003DFFF /* User visible flags */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 22b32af1b5ec..b5a550a39a70 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -37,6 +37,7 @@ struct trace_entry {
 	unsigned char		flags;
 	unsigned char		preempt_count;
 	int			pid;
+	int			padding;
 };
 
 #define FTRACE_MAX_EVENT						\
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index bfb8f934521e..56d8fc87fbbc 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -353,6 +353,8 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask);
 
 void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
 void free_pages_exact(void *virt, size_t size);
+/* This is different from alloc_pages_exact_node !!! */
+void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
 
 #define __get_free_page(gfp_mask) \
 		__get_free_pages((gfp_mask), 0)
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index df29c8fde36b..8847c8c29791 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -117,7 +117,7 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma,
 					 unsigned long end,
 					 long adjust_next)
 {
-	if (!vma->anon_vma || vma->vm_ops || vma->vm_file)
+	if (!vma->anon_vma || vma->vm_ops)
 		return;
 	__vma_adjust_trans_huge(vma, start, end, adjust_next);
 }
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 7f675aa81d87..04f32a3eb26b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -137,8 +137,6 @@ enum {
 	ATA_DFLAG_ACPI_PENDING	= (1 << 5), /* ACPI resume action pending */
 	ATA_DFLAG_ACPI_FAILED	= (1 << 6), /* ACPI on devcfg has failed */
 	ATA_DFLAG_AN		= (1 << 7), /* AN configured */
-	ATA_DFLAG_HIPM		= (1 << 8), /* device supports HIPM */
-	ATA_DFLAG_DIPM		= (1 << 9), /* device supports DIPM */
 	ATA_DFLAG_DMADIR	= (1 << 10), /* device requires DMADIR */
 	ATA_DFLAG_CFG_MASK	= (1 << 12) - 1,
 
@@ -198,6 +196,7 @@ enum {
 					      * management */
 	ATA_FLAG_SW_ACTIVITY	= (1 << 22), /* driver supports sw activity
 					      * led */
+	ATA_FLAG_NO_DIPM	= (1 << 23), /* host not happy with DIPM */
 
 	/* bits 24:31 of ap->flags are reserved for LLD specific flags */
 
diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h
index 5bad17d1acde..31f9d75adc5b 100644
--- a/include/linux/list_bl.h
+++ b/include/linux/list_bl.h
@@ -2,6 +2,7 @@
 #define _LINUX_LIST_BL_H
 
 #include <linux/list.h>
+#include <linux/bit_spinlock.h>
 
 /*
  * Special version of lists, where head of the list has a lock in the lowest
@@ -114,6 +115,16 @@ static inline void hlist_bl_del_init(struct hlist_bl_node *n)
 	}
 }
 
+static inline void hlist_bl_lock(struct hlist_bl_head *b)
+{
+	bit_spin_lock(0, (unsigned long *)b);
+}
+
+static inline void hlist_bl_unlock(struct hlist_bl_head *b)
+{
+	__bit_spin_unlock(0, (unsigned long *)b);
+}
+
 /**
  * hlist_bl_for_each_entry	- iterate over list of given type
  * @tpos:	the type * to use as a loop cursor.
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h
index afe4db49402d..632d1567a1b6 100644
--- a/include/linux/mfd/wm831x/pdata.h
+++ b/include/linux/mfd/wm831x/pdata.h
@@ -81,7 +81,9 @@ struct wm831x_touch_pdata {
 	int rpu;               /** Pen down sensitivity resistor divider */
 	int pressure;          /** Report pressure (boolean) */
 	unsigned int data_irq; /** Touch data ready IRQ */
+	int data_irqf;         /** IRQ flags for data ready IRQ */
 	unsigned int pd_irq;   /** Touch pendown detect IRQ */
+	int pd_irqf;           /** IRQ flags for pen down IRQ */
 };
 
 enum wm831x_watchdog_action {
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 692dbae6ffa7..6507dde38b16 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -137,7 +137,8 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_RandomReadHint(v)		((v)->vm_flags & VM_RAND_READ)
 
 /*
- * special vmas that are non-mergable, non-mlock()able
+ * Special vmas that are non-mergable, non-mlock()able.
+ * Note: mm/huge_memory.c VM_NO_THP depends on this definition.
  */
 #define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
 
@@ -1010,11 +1011,33 @@ int set_page_dirty_lock(struct page *page);
 int clear_page_dirty_for_io(struct page *page);
 
 /* Is the vma a continuation of the stack vma above it? */
-static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr)
+static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
 {
 	return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
 }
 
+static inline int stack_guard_page_start(struct vm_area_struct *vma,
+					     unsigned long addr)
+{
+	return (vma->vm_flags & VM_GROWSDOWN) &&
+		(vma->vm_start == addr) &&
+		!vma_growsdown(vma->vm_prev, addr);
+}
+
+/* Is the vma a continuation of the stack vma below it? */
+static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)
+{
+	return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);
+}
+
+static inline int stack_guard_page_end(struct vm_area_struct *vma,
+					   unsigned long addr)
+{
+	return (vma->vm_flags & VM_GROWSUP) &&
+		(vma->vm_end == addr) &&
+		!vma_growsup(vma->vm_next, addr);
+}
+
 extern unsigned long move_page_tables(struct vm_area_struct *vma,
 		unsigned long old_addr, struct vm_area_struct *new_vma,
 		unsigned long new_addr, unsigned long len);
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 216cea5db0aa..87694ca86914 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -47,6 +47,7 @@ struct nfs_client {
 
 #ifdef CONFIG_NFS_V4
 	u64			cl_clientid;	/* constant */
+	nfs4_verifier		cl_confirm;	/* Clientid verifier */
 	unsigned long		cl_state;
 
 	spinlock_t		cl_lock;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 78b101e487ea..7e371f7df9c4 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -50,6 +50,7 @@ struct nfs_fattr {
 	} du;
 	struct nfs_fsid		fsid;
 	__u64			fileid;
+	__u64			mounted_on_fileid;
 	struct timespec		atime;
 	struct timespec		mtime;
 	struct timespec		ctime;
@@ -83,6 +84,7 @@ struct nfs_fattr {
 #define NFS_ATTR_FATTR_PRECHANGE	(1U << 18)
 #define NFS_ATTR_FATTR_V4_REFERRAL	(1U << 19)	/* NFSv4 referral */
 #define NFS_ATTR_FATTR_MOUNTPOINT	(1U << 20)	/* Treat as mountpoint */
+#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID		(1U << 21)
 
 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
 		| NFS_ATTR_FATTR_MODE \
@@ -231,6 +233,7 @@ struct nfs4_layoutget {
 	struct nfs4_layoutget_args args;
 	struct nfs4_layoutget_res res;
 	struct pnfs_layout_segment **lsegpp;
+	gfp_t gfp_flags;
 };
 
 struct nfs4_getdeviceinfo_args {
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 8bfe6c1d4365..ae5638480ef2 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -21,8 +21,7 @@ extern void of_device_make_bus_id(struct device *dev);
 static inline int of_driver_match_device(struct device *dev,
 					 const struct device_driver *drv)
 {
-	dev->of_match = of_match_device(drv->of_match_table, dev);
-	return dev->of_match != NULL;
+	return of_match_device(drv->of_match_table, dev) != NULL;
 }
 
 extern struct platform_device *of_dev_get(struct platform_device *dev);
@@ -58,6 +57,11 @@ static inline int of_device_uevent(struct device *dev,
 
 static inline void of_device_node_put(struct device *dev) { }
 
+static inline const struct of_device_id *of_match_device(
+		const struct of_device_id *matches, const struct device *dev)
+{
+	return NULL;
+}
 #endif /* CONFIG_OF_DEVICE */
 
 #endif /* _LINUX_OF_DEVICE_H */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4e2c9150a785..8abe8d78c4bf 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2477,15 +2477,12 @@
 #define PCI_DEVICE_ID_INTEL_82840_HB	0x1a21
 #define PCI_DEVICE_ID_INTEL_82845_HB	0x1a30
 #define PCI_DEVICE_ID_INTEL_IOAT	0x1a38
-#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS	0x1c22
 #define PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN	0x1c41
 #define PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX	0x1c5f
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS	0x1d22
 #define PCI_DEVICE_ID_INTEL_PATSBURG_LPC_0	0x1d40
 #define PCI_DEVICE_ID_INTEL_PATSBURG_LPC_1	0x1d41
 #define PCI_DEVICE_ID_INTEL_DH89XXCC_LPC_MIN	0x2310
 #define PCI_DEVICE_ID_INTEL_DH89XXCC_LPC_MAX	0x231f
-#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS	0x2330
 #define PCI_DEVICE_ID_INTEL_82801AA_0	0x2410
 #define PCI_DEVICE_ID_INTEL_82801AA_1	0x2411
 #define PCI_DEVICE_ID_INTEL_82801AA_3	0x2413
@@ -2696,7 +2693,6 @@
 #define PCI_DEVICE_ID_INTEL_ICH10_5	0x3a60
 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_LPC_MIN	0x3b00
 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_LPC_MAX	0x3b1f
-#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS	0x3b30
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB	0x402f
 #define PCI_DEVICE_ID_INTEL_5100_16	0x65f0
 #define PCI_DEVICE_ID_INTEL_5100_21	0x65f5
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 3a5c4449fd36..8b97308e65df 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -948,7 +948,7 @@ do {									\
 	irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)
 # endif
 # define irqsafe_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\
-	__pcpu_double_call_return_int(irqsafe_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2))
+	__pcpu_double_call_return_bool(irqsafe_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2))
 #endif
 
 #endif /* __LINUX_PERCPU_H */
diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h
index 369e19d3750b..7f1183dcd119 100644
--- a/include/linux/posix-clock.h
+++ b/include/linux/posix-clock.h
@@ -24,6 +24,7 @@
 #include <linux/fs.h>
 #include <linux/poll.h>
 #include <linux/posix-timers.h>
+#include <linux/rwsem.h>
 
 struct posix_clock;
 
@@ -104,7 +105,7 @@ struct posix_clock_operations {
  * @ops:     Functional interface to the clock
  * @cdev:    Character device instance for this clock
  * @kref:    Reference count.
- * @mutex:   Protects the 'zombie' field from concurrent access.
+ * @rwsem:   Protects the 'zombie' field from concurrent access.
  * @zombie:  If 'zombie' is true, then the hardware has disappeared.
  * @release: A function to free the structure when the reference count reaches
  *           zero. May be NULL if structure is statically allocated.
@@ -117,7 +118,7 @@ struct posix_clock {
 	struct posix_clock_operations ops;
 	struct cdev cdev;
 	struct kref kref;
-	struct mutex mutex;
+	struct rw_semaphore rwsem;
 	bool zombie;
 	void (*release)(struct posix_clock *clk);
 };
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 838c1149251a..eaf4350c0f90 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -208,6 +208,8 @@ static inline struct proc_dir_entry *proc_symlink(const char *name,
 		struct proc_dir_entry *parent,const char *dest) {return NULL;}
 static inline struct proc_dir_entry *proc_mkdir(const char *name,
 	struct proc_dir_entry *parent) {return NULL;}
+static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
+	mode_t mode, struct proc_dir_entry *parent) { return NULL; }
 
 static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
 	mode_t mode, struct proc_dir_entry *base, 
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index a1147e5dd245..9178d5cc0b01 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -189,6 +189,10 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace)
 		child->ptrace = current->ptrace;
 		__ptrace_link(child, current->parent);
 	}
+
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+	atomic_set(&child->ptrace_bp_refcnt, 1);
+#endif
 }
 
 /**
@@ -350,6 +354,13 @@ extern int task_current_syscall(struct task_struct *target, long *callno,
 				unsigned long args[6], unsigned int maxargs,
 				unsigned long *sp, unsigned long *pc);
 
-#endif
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+extern int ptrace_get_breakpoints(struct task_struct *tsk);
+extern void ptrace_put_breakpoints(struct task_struct *tsk);
+#else
+static inline void ptrace_put_breakpoints(struct task_struct *tsk) { }
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
+
+#endif /* __KERNEL */
 
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 18d63cea2848..781abd137673 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1537,6 +1537,9 @@ struct task_struct {
 		unsigned long memsw_nr_pages; /* uncharged mem+swap usage */
 	} memcg_batch;
 #endif
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+	atomic_t ptrace_bp_refcnt;
+#endif
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */
diff --git a/include/linux/security.h b/include/linux/security.h
index ca02f1716736..8ce59ef3e5af 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1456,7 +1456,7 @@ struct security_operations {
 			     struct inode *new_dir, struct dentry *new_dentry);
 	int (*inode_readlink) (struct dentry *dentry);
 	int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
-	int (*inode_permission) (struct inode *inode, int mask);
+	int (*inode_permission) (struct inode *inode, int mask, unsigned flags);
 	int (*inode_setattr)	(struct dentry *dentry, struct iattr *attr);
 	int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
 	int (*inode_setxattr) (struct dentry *dentry, const char *name,
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index d81db8012c63..f73c482ec9c6 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -127,13 +127,16 @@ struct rpc_task_setup {
 #define RPC_TASK_KILLED		0x0100		/* task was killed */
 #define RPC_TASK_SOFT		0x0200		/* Use soft timeouts */
 #define RPC_TASK_SOFTCONN	0x0400		/* Fail if can't connect */
+#define RPC_TASK_SENT		0x0800		/* message was sent */
+#define RPC_TASK_TIMEOUT	0x1000		/* fail with ETIMEDOUT on timeout */
 
 #define RPC_IS_ASYNC(t)		((t)->tk_flags & RPC_TASK_ASYNC)
 #define RPC_IS_SWAPPER(t)	((t)->tk_flags & RPC_TASK_SWAPPER)
 #define RPC_DO_ROOTOVERRIDE(t)	((t)->tk_flags & RPC_TASK_ROOTCREDS)
 #define RPC_ASSASSINATED(t)	((t)->tk_flags & RPC_TASK_KILLED)
-#define RPC_IS_SOFT(t)		((t)->tk_flags & RPC_TASK_SOFT)
+#define RPC_IS_SOFT(t)		((t)->tk_flags & (RPC_TASK_SOFT|RPC_TASK_TIMEOUT))
 #define RPC_IS_SOFTCONN(t)	((t)->tk_flags & RPC_TASK_SOFTCONN)
+#define RPC_WAS_SENT(t)		((t)->tk_flags & RPC_TASK_SENT)
 
 #define RPC_TASK_RUNNING	0
 #define RPC_TASK_QUEUED		1
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 3c7329b8ea0e..605b0aa8d852 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -68,6 +68,7 @@ struct usbnet {
 #		define EVENT_RX_PAUSED	5
 #		define EVENT_DEV_WAKING 6
 #		define EVENT_DEV_ASLEEP 7
+#		define EVENT_DEV_OPEN	8
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -103,8 +104,8 @@ struct driver_info {
  * Indicates to usbnet, that USB driver accumulates multiple IP packets.
  * Affects statistic (counters) and short packet handling.
  */
-#define FLAG_MULTI_PACKET	0x1000
-#define FLAG_RX_ASSEMBLE	0x2000	/* rx packets may span >1 frames */
+#define FLAG_MULTI_PACKET	0x2000
+#define FLAG_RX_ASSEMBLE	0x4000	/* rx packets may span >1 frames */
 
 	/* init device ... can sleep, or cause probe() failure */
 	int	(*bind)(struct usbnet *, struct usb_interface *);
diff --git a/include/linux/v4l2-mediabus.h b/include/linux/v4l2-mediabus.h
index 7054a7a8065e..de5c15921025 100644
--- a/include/linux/v4l2-mediabus.h
+++ b/include/linux/v4l2-mediabus.h
@@ -47,7 +47,7 @@ enum v4l2_mbus_pixelcode {
 	V4L2_MBUS_FMT_RGB565_2X8_BE = 0x1007,
 	V4L2_MBUS_FMT_RGB565_2X8_LE = 0x1008,
 
-	/* YUV (including grey) - next is 0x2013 */
+	/* YUV (including grey) - next is 0x2014 */
 	V4L2_MBUS_FMT_Y8_1X8 = 0x2001,
 	V4L2_MBUS_FMT_UYVY8_1_5X8 = 0x2002,
 	V4L2_MBUS_FMT_VYUY8_1_5X8 = 0x2003,
@@ -60,6 +60,7 @@ enum v4l2_mbus_pixelcode {
 	V4L2_MBUS_FMT_Y10_1X10 = 0x200a,
 	V4L2_MBUS_FMT_YUYV10_2X10 = 0x200b,
 	V4L2_MBUS_FMT_YVYU10_2X10 = 0x200c,
+	V4L2_MBUS_FMT_Y12_1X12 = 0x2013,
 	V4L2_MBUS_FMT_UYVY8_1X16 = 0x200f,
 	V4L2_MBUS_FMT_VYUY8_1X16 = 0x2010,
 	V4L2_MBUS_FMT_YUYV8_1X16 = 0x2011,
@@ -67,9 +68,11 @@ enum v4l2_mbus_pixelcode {
 	V4L2_MBUS_FMT_YUYV10_1X20 = 0x200d,
 	V4L2_MBUS_FMT_YVYU10_1X20 = 0x200e,
 
-	/* Bayer - next is 0x3013 */
+	/* Bayer - next is 0x3015 */
 	V4L2_MBUS_FMT_SBGGR8_1X8 = 0x3001,
+	V4L2_MBUS_FMT_SGBRG8_1X8 = 0x3013,
 	V4L2_MBUS_FMT_SGRBG8_1X8 = 0x3002,
+	V4L2_MBUS_FMT_SRGGB8_1X8 = 0x3014,
 	V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8 = 0x300b,
 	V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8 = 0x300c,
 	V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8 = 0x3009,
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index aa6c393b7ae9..be82c8ead1af 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -308,6 +308,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
+#define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
 
 /* Palette formats */