Merge branch 'linus' into perf/core

Merge reason: pick up perf fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>

42 files changed, 458 insertions, 123 deletions

diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index df84e3b04555..d89dec864d42 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -23,8 +23,10 @@ asmlinkage long sys_vfork(struct pt_regs *regs);
 #endif
 
 #ifndef sys_execve
-asmlinkage long sys_execve(char __user *filename, char __user * __user *argv,
-			char __user * __user *envp, struct pt_regs *regs);
+asmlinkage long sys_execve(const char __user *filename,
+			   const char __user *const __user *argv,
+			   const char __user *const __user *envp,
+			   struct pt_regs *regs);
 #endif
 
 #ifndef sys_mmap2
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2a512bc0d4ab..7809d230adee 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -305,14 +305,16 @@ struct drm_ioctl_desc {
 	unsigned int cmd;
 	int flags;
 	drm_ioctl_t *func;
+	unsigned int cmd_drv;
 };
 
 /**
  * Creates a driver or general drm_ioctl_desc array entry for the given
  * ioctl, for use by drm_ioctl().
  */
-#define DRM_IOCTL_DEF(ioctl, _func, _flags) \
-	[DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags}
+
+#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)			\
+	[DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
 
 struct drm_magic_entry {
 	struct list_head head;
diff --git a/include/drm/i830_drm.h b/include/drm/i830_drm.h
index 4b00d2dd4f68..61315c29b8f3 100644
--- a/include/drm/i830_drm.h
+++ b/include/drm/i830_drm.h
@@ -264,20 +264,20 @@ typedef struct _drm_i830_sarea {
 #define DRM_I830_GETPARAM	0x0c
 #define DRM_I830_SETPARAM	0x0d
 
-#define DRM_IOCTL_I830_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_INIT, drm_i830_init_t)
-#define DRM_IOCTL_I830_VERTEX		DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_VERTEX, drm_i830_vertex_t)
-#define DRM_IOCTL_I830_CLEAR		DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_CLEAR, drm_i830_clear_t)
-#define DRM_IOCTL_I830_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLUSH)
-#define DRM_IOCTL_I830_GETAGE		DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_GETAGE)
-#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETBUF, drm_i830_dma_t)
-#define DRM_IOCTL_I830_SWAP		DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_SWAP)
-#define DRM_IOCTL_I830_COPY		DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_COPY, drm_i830_copy_t)
-#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_DOCOPY)
-#define DRM_IOCTL_I830_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLIP)
-#define DRM_IOCTL_I830_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_EMIT, drm_i830_irq_emit_t)
-#define DRM_IOCTL_I830_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_WAIT, drm_i830_irq_wait_t)
-#define DRM_IOCTL_I830_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETPARAM, drm_i830_getparam_t)
-#define DRM_IOCTL_I830_SETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_SETPARAM, drm_i830_setparam_t)
+#define DRM_IOCTL_I830_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I830_INIT, drm_i830_init_t)
+#define DRM_IOCTL_I830_VERTEX		DRM_IOW( DRM_COMMAND_BASE + DRM_I830_VERTEX, drm_i830_vertex_t)
+#define DRM_IOCTL_I830_CLEAR		DRM_IOW( DRM_COMMAND_BASE + DRM_I830_CLEAR, drm_i830_clear_t)
+#define DRM_IOCTL_I830_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I830_FLUSH)
+#define DRM_IOCTL_I830_GETAGE		DRM_IO ( DRM_COMMAND_BASE + DRM_I830_GETAGE)
+#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(DRM_COMMAND_BASE + DRM_I830_GETBUF, drm_i830_dma_t)
+#define DRM_IOCTL_I830_SWAP		DRM_IO ( DRM_COMMAND_BASE + DRM_I830_SWAP)
+#define DRM_IOCTL_I830_COPY		DRM_IOW( DRM_COMMAND_BASE + DRM_I830_COPY, drm_i830_copy_t)
+#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( DRM_COMMAND_BASE + DRM_I830_DOCOPY)
+#define DRM_IOCTL_I830_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I830_FLIP)
+#define DRM_IOCTL_I830_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_I830_IRQ_EMIT, drm_i830_irq_emit_t)
+#define DRM_IOCTL_I830_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_I830_IRQ_WAIT, drm_i830_irq_wait_t)
+#define DRM_IOCTL_I830_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I830_GETPARAM, drm_i830_getparam_t)
+#define DRM_IOCTL_I830_SETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I830_SETPARAM, drm_i830_setparam_t)
 
 typedef struct _drm_i830_clear {
 	int clear_color;
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8f8b072c4c7b..e41c74facb6a 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -215,6 +215,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
 #define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
 #define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
+#define DRM_IOCTL_I915_HWS_ADDR		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init)
 #define DRM_IOCTL_I915_GEM_INIT		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
 #define DRM_IOCTL_I915_GEM_EXECBUFFER	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
 #define DRM_IOCTL_I915_GEM_EXECBUFFER2	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2)
diff --git a/include/drm/mga_drm.h b/include/drm/mga_drm.h
index 3ffbc4798afa..c16097f99be0 100644
--- a/include/drm/mga_drm.h
+++ b/include/drm/mga_drm.h
@@ -248,7 +248,7 @@ typedef struct _drm_mga_sarea {
 #define DRM_MGA_DMA_BOOTSTRAP  0x0c
 
 #define DRM_IOCTL_MGA_INIT     DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
-#define DRM_IOCTL_MGA_FLUSH    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t)
+#define DRM_IOCTL_MGA_FLUSH    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, struct drm_lock)
 #define DRM_IOCTL_MGA_RESET    DRM_IO(  DRM_COMMAND_BASE + DRM_MGA_RESET)
 #define DRM_IOCTL_MGA_SWAP     DRM_IO(  DRM_COMMAND_BASE + DRM_MGA_SWAP)
 #define DRM_IOCTL_MGA_CLEAR    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t)
diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h
index fe917dee723a..01a714119506 100644
--- a/include/drm/nouveau_drm.h
+++ b/include/drm/nouveau_drm.h
@@ -197,4 +197,17 @@ struct drm_nouveau_sarea {
 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
 #define DRM_NOUVEAU_GEM_INFO           0x44
 
+#define DRM_IOCTL_NOUVEAU_GETPARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GETPARAM, struct drm_nouveau_getparam)
+#define DRM_IOCTL_NOUVEAU_SETPARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SETPARAM, struct drm_nouveau_setparam)
+#define DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_ALLOC, struct drm_nouveau_channel_alloc)
+#define DRM_IOCTL_NOUVEAU_CHANNEL_FREE       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free)
+#define DRM_IOCTL_NOUVEAU_GROBJ_ALLOC        DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GROBJ_ALLOC, struct drm_nouveau_grobj_alloc)
+#define DRM_IOCTL_NOUVEAU_NOTIFIEROBJ_ALLOC  DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_NOTIFIEROBJ_ALLOC, struct drm_nouveau_notifierobj_alloc)
+#define DRM_IOCTL_NOUVEAU_GPUOBJ_FREE        DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GPUOBJ_FREE, struct drm_nouveau_gpuobj_free)
+#define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
+#define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
+#define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
+#define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
+#define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
+
 #endif /* __NOUVEAU_DRM_H__ */
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 0acaf8f91437..10f8b53bdd40 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -547,8 +547,8 @@ typedef struct {
 #define DRM_IOCTL_RADEON_GEM_WAIT_IDLE	DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
 #define DRM_IOCTL_RADEON_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
 #define DRM_IOCTL_RADEON_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
-#define DRM_IOCTL_RADEON_SET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
-#define DRM_IOCTL_RADEON_GET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
+#define DRM_IOCTL_RADEON_GEM_SET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
+#define DRM_IOCTL_RADEON_GEM_GET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
 #define DRM_IOCTL_RADEON_GEM_BUSY	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
 
 typedef struct drm_radeon_init {
diff --git a/include/drm/savage_drm.h b/include/drm/savage_drm.h
index 8a576ef01821..4863cf6bf96f 100644
--- a/include/drm/savage_drm.h
+++ b/include/drm/savage_drm.h
@@ -63,10 +63,10 @@ typedef struct _drm_savage_sarea {
 #define DRM_SAVAGE_BCI_EVENT_EMIT	0x02
 #define DRM_SAVAGE_BCI_EVENT_WAIT	0x03
 
-#define DRM_IOCTL_SAVAGE_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t)
-#define DRM_IOCTL_SAVAGE_CMDBUF		DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t)
-#define DRM_IOCTL_SAVAGE_EVENT_EMIT	DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t)
-#define DRM_IOCTL_SAVAGE_EVENT_WAIT	DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t)
+#define DRM_IOCTL_SAVAGE_BCI_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t)
+#define DRM_IOCTL_SAVAGE_BCI_CMDBUF		DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t)
+#define DRM_IOCTL_SAVAGE_BCI_EVENT_EMIT	DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t)
+#define DRM_IOCTL_SAVAGE_BCI_EVENT_WAIT	DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t)
 
 #define SAVAGE_DMA_PCI	1
 #define SAVAGE_DMA_AGP	3
diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h
index ca16c3801a1e..be33b3affc8a 100644
--- a/include/linux/amba/clcd.h
+++ b/include/linux/amba/clcd.h
@@ -150,6 +150,7 @@ struct clcd_fb {
 	u16			off_cntl;
 	u32			clcd_cntl;
 	u32			cmap[16];
+	bool			clk_enabled;
 };
 
 static inline void clcdfb_decode(struct clcd_fb *fb, struct clcd_regs *regs)
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index c809e286d213..a065612fc928 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -50,8 +50,8 @@ struct linux_binprm{
 	int unsafe;		/* how unsafe this exec is (mask of LSM_UNSAFE_*) */
 	unsigned int per_clear;	/* bits to clear in current->personality */
 	int argc, envc;
-	char * filename;	/* Name of binary as seen by procps */
-	char * interp;		/* Name of the binary really executed. Most
+	const char * filename;	/* Name of binary as seen by procps */
+	const char * interp;	/* Name of the binary really executed. Most
 				   of the time same as filename, but could be
 				   different for binfmt_{misc,script} */
 	unsigned interp_flags;
@@ -126,7 +126,8 @@ extern int setup_arg_pages(struct linux_binprm * bprm,
 			   unsigned long stack_top,
 			   int executable_stack);
 extern int bprm_mm_init(struct linux_binprm *bprm);
-extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm);
+extern int copy_strings_kernel(int argc, const char *const *argv,
+			       struct linux_binprm *bprm);
 extern int prepare_bprm_creds(struct linux_binprm *bprm);
 extern void install_exec_creds(struct linux_binprm *bprm);
 extern void do_coredump(long signr, int exit_code, struct pt_regs *regs);
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 43e649a72529..ec94c12f21da 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -32,7 +32,6 @@ enum bh_state_bits {
 	BH_Delay,	/* Buffer is not yet allocated on disk */
 	BH_Boundary,	/* Block is followed by a discontiguity */
 	BH_Write_EIO,	/* I/O error on write */
-	BH_Ordered,	/* ordered write */
 	BH_Eopnotsupp,	/* operation not supported (barrier) */
 	BH_Unwritten,	/* Buffer is allocated on disk but not written */
 	BH_Quiet,	/* Buffer Error Prinks to be quiet */
@@ -125,7 +124,6 @@ BUFFER_FNS(Async_Write, async_write)
 BUFFER_FNS(Delay, delay)
 BUFFER_FNS(Boundary, boundary)
 BUFFER_FNS(Write_EIO, write_io_error)
-BUFFER_FNS(Ordered, ordered)
 BUFFER_FNS(Eopnotsupp, eopnotsupp)
 BUFFER_FNS(Unwritten, unwritten)
 
@@ -183,6 +181,8 @@ void unlock_buffer(struct buffer_head *bh);
 void __lock_buffer(struct buffer_head *bh);
 void ll_rw_block(int, int, struct buffer_head * bh[]);
 int sync_dirty_buffer(struct buffer_head *bh);
+int __sync_dirty_buffer(struct buffer_head *bh, int rw);
+void write_dirty_buffer(struct buffer_head *bh, int rw);
 int submit_bh(int, struct buffer_head *);
 void write_boundary_block(struct block_device *bdev,
 			sector_t bblock, unsigned blocksize);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9a96b4d83fc1..76041b614758 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -125,9 +125,6 @@ struct inodes_stat_t {
  *			block layer could (in theory) choose to ignore this
  *			request if it runs into resource problems.
  * WRITE		A normal async write. Device will be plugged.
- * SWRITE		Like WRITE, but a special case for ll_rw_block() that
- *			tells it to lock the buffer first. Normally a buffer
- *			must be locked before doing IO.
  * WRITE_SYNC_PLUG	Synchronous write. Identical to WRITE, but passes down
  *			the hint that someone will be waiting on this IO
  *			shortly. The device must still be unplugged explicitly,
@@ -138,9 +135,6 @@ struct inodes_stat_t {
  *			immediately after submission. The write equivalent
  *			of READ_SYNC.
  * WRITE_ODIRECT_PLUG	Special case write for O_DIRECT only.
- * SWRITE_SYNC
- * SWRITE_SYNC_PLUG	Like WRITE_SYNC/WRITE_SYNC_PLUG, but locks the buffer.
- *			See SWRITE.
  * WRITE_BARRIER	Like WRITE_SYNC, but tells the block layer that all
  *			previously submitted writes must be safely on storage
  *			before this one is started. Also guarantees that when
@@ -155,7 +149,6 @@ struct inodes_stat_t {
 #define READ			0
 #define WRITE			RW_MASK
 #define READA			RWA_MASK
-#define SWRITE			(WRITE | READA)
 
 #define READ_SYNC		(READ | REQ_SYNC | REQ_UNPLUG)
 #define READ_META		(READ | REQ_META)
@@ -165,8 +158,6 @@ struct inodes_stat_t {
 #define WRITE_META		(WRITE | REQ_META)
 #define WRITE_BARRIER		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \
 				 REQ_HARDBARRIER)
-#define SWRITE_SYNC_PLUG	(SWRITE | REQ_SYNC | REQ_NOIDLE)
-#define SWRITE_SYNC		(SWRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG)
 
 /*
  * These aren't really reads or writes, they pass down information about
@@ -929,6 +920,9 @@ struct file {
 #define f_vfsmnt	f_path.mnt
 	const struct file_operations	*f_op;
 	spinlock_t		f_lock;  /* f_ep_links, f_flags, no IRQ */
+#ifdef CONFIG_SMP
+	int			f_sb_list_cpu;
+#endif
 	atomic_long_t		f_count;
 	unsigned int 		f_flags;
 	fmode_t			f_mode;
@@ -953,9 +947,6 @@ struct file {
 	unsigned long f_mnt_write_state;
 #endif
 };
-extern spinlock_t files_lock;
-#define file_list_lock() spin_lock(&files_lock);
-#define file_list_unlock() spin_unlock(&files_lock);
 
 #define get_file(x)	atomic_long_inc(&(x)->f_count)
 #define fput_atomic(x)	atomic_long_add_unless(&(x)->f_count, -1, 1)
@@ -1346,7 +1337,11 @@ struct super_block {
 
 	struct list_head	s_inodes;	/* all inodes */
 	struct hlist_head	s_anon;		/* anonymous dentries for (nfs) exporting */
+#ifdef CONFIG_SMP
+	struct list_head __percpu *s_files;
+#else
 	struct list_head	s_files;
+#endif
 	/* s_dentry_lru and s_nr_dentry_unused are protected by dcache_lock */
 	struct list_head	s_dentry_lru;	/* unused dentry lru */
 	int			s_nr_dentry_unused;	/* # of dentry on lru */
@@ -2197,8 +2192,6 @@ static inline void insert_inode_hash(struct inode *inode) {
 	__insert_inode_hash(inode, inode->i_ino);
 }
 
-extern void file_move(struct file *f, struct list_head *list);
-extern void file_kill(struct file *f);
 #ifdef CONFIG_BLOCK
 extern void submit_bio(int, struct bio *);
 extern int bdev_read_only(struct block_device *);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index eca3d5202138..a42b5bf02f8b 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -5,7 +5,7 @@
 
 struct fs_struct {
 	int users;
-	rwlock_t lock;
+	spinlock_t lock;
 	int umask;
 	int in_exec;
 	struct path root, pwd;
@@ -23,29 +23,29 @@ extern int unshare_fs_struct(void);
 
 static inline void get_fs_root(struct fs_struct *fs, struct path *root)
 {
-	read_lock(&fs->lock);
+	spin_lock(&fs->lock);
 	*root = fs->root;
 	path_get(root);
-	read_unlock(&fs->lock);
+	spin_unlock(&fs->lock);
 }
 
 static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd)
 {
-	read_lock(&fs->lock);
+	spin_lock(&fs->lock);
 	*pwd = fs->pwd;
 	path_get(pwd);
-	read_unlock(&fs->lock);
+	spin_unlock(&fs->lock);
 }
 
 static inline void get_fs_root_and_pwd(struct fs_struct *fs, struct path *root,
 				       struct path *pwd)
 {
-	read_lock(&fs->lock);
+	spin_lock(&fs->lock);
 	*root = fs->root;
 	path_get(root);
 	*pwd = fs->pwd;
 	path_get(pwd);
-	read_unlock(&fs->lock);
+	spin_unlock(&fs->lock);
 }
 
 #endif /* _LINUX_FS_STRUCT_H */
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index c831467774d0..bed7a4682b90 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -119,7 +119,7 @@ struct ethhdr {
 	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
 	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
 	__be16		h_proto;		/* packet type ID field	*/
-} __packed;
+} __attribute__((packed));
 
 #ifdef __KERNEL__
 #include <linux/skbuff.h>
diff --git a/include/linux/if_fddi.h b/include/linux/if_fddi.h
index 9947c39e62f6..e6dc11e7f9a5 100644
--- a/include/linux/if_fddi.h
+++ b/include/linux/if_fddi.h
@@ -67,7 +67,7 @@ struct fddi_8022_1_hdr {
 	__u8	dsap;					/* destination service access point */
 	__u8	ssap;					/* source service access point */
 	__u8	ctrl;					/* control byte #1 */
-} __packed;
+} __attribute__((packed));
 
 /* Define 802.2 Type 2 header */
 struct fddi_8022_2_hdr {
@@ -75,7 +75,7 @@ struct fddi_8022_2_hdr {
 	__u8	ssap;					/* source service access point */
 	__u8	ctrl_1;					/* control byte #1 */
 	__u8	ctrl_2;					/* control byte #2 */
-} __packed;
+} __attribute__((packed));
 
 /* Define 802.2 SNAP header */
 #define FDDI_K_OUI_LEN	3
@@ -85,7 +85,7 @@ struct fddi_snap_hdr {
 	__u8	ctrl;					/* always 0x03 */
 	__u8	oui[FDDI_K_OUI_LEN];	/* organizational universal id */
 	__be16	ethertype;				/* packet type ID field */
-} __packed;
+} __attribute__((packed));
 
 /* Define FDDI LLC frame header */
 struct fddihdr {
@@ -98,7 +98,7 @@ struct fddihdr {
 		struct fddi_8022_2_hdr		llc_8022_2;
 		struct fddi_snap_hdr		llc_snap;
 		} hdr;
-} __packed;
+} __attribute__((packed));
 
 #ifdef __KERNEL__
 #include <linux/netdevice.h>
diff --git a/include/linux/if_hippi.h b/include/linux/if_hippi.h
index 5fe5f307c6f5..cdc049f1829a 100644
--- a/include/linux/if_hippi.h
+++ b/include/linux/if_hippi.h
@@ -104,7 +104,7 @@ struct hippi_fp_hdr {
 	__be32		fixed;
 #endif
 	__be32		d2_size;
-} __packed;
+} __attribute__((packed));
 
 struct hippi_le_hdr {
 #if defined (__BIG_ENDIAN_BITFIELD)
@@ -129,7 +129,7 @@ struct hippi_le_hdr {
 	__u8		daddr[HIPPI_ALEN];
 	__u16		locally_administered;
 	__u8		saddr[HIPPI_ALEN];
-} __packed;
+} __attribute__((packed));
 
 #define HIPPI_OUI_LEN	3
 /*
@@ -142,12 +142,12 @@ struct hippi_snap_hdr {
 	__u8	ctrl;			/* always 0x03 */
 	__u8	oui[HIPPI_OUI_LEN];	/* organizational universal id (zero)*/
 	__be16	ethertype;		/* packet type ID field */
-} __packed;
+} __attribute__((packed));
 
 struct hippi_hdr {
 	struct hippi_fp_hdr	fp;
 	struct hippi_le_hdr	le;
 	struct hippi_snap_hdr	snap;
-} __packed;
+} __attribute__((packed));
 
 #endif	/* _LINUX_IF_HIPPI_H */
diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h
index 1925e0c3f162..27741e05446f 100644
--- a/include/linux/if_pppox.h
+++ b/include/linux/if_pppox.h
@@ -59,7 +59,7 @@ struct sockaddr_pppox {
        union{ 
                struct pppoe_addr       pppoe; 
        }sa_addr; 
-} __packed;
+} __attribute__((packed));
 
 /* The use of the above union isn't viable because the size of this
  * struct must stay fixed over time -- applications use sizeof(struct
@@ -70,7 +70,7 @@ struct sockaddr_pppol2tp {
 	sa_family_t     sa_family;      /* address family, AF_PPPOX */
 	unsigned int    sa_protocol;    /* protocol identifier */
 	struct pppol2tp_addr pppol2tp;
-} __packed;
+} __attribute__((packed));
 
 /* The L2TPv3 protocol changes tunnel and session ids from 16 to 32
  * bits. So we need a different sockaddr structure.
@@ -79,7 +79,7 @@ struct sockaddr_pppol2tpv3 {
 	sa_family_t     sa_family;      /* address family, AF_PPPOX */
 	unsigned int    sa_protocol;    /* protocol identifier */
 	struct pppol2tpv3_addr pppol2tp;
-} __packed;
+} __attribute__((packed));
 
 /*********************************************************************
  *
@@ -101,7 +101,7 @@ struct pppoe_tag {
 	__be16 tag_type;
 	__be16 tag_len;
 	char tag_data[0];
-} __attribute ((packed));
+} __attribute__ ((packed));
 
 /* Tag identifiers */
 #define PTT_EOL		__cpu_to_be16(0x0000)
@@ -129,7 +129,7 @@ struct pppoe_hdr {
 	__be16 sid;
 	__be16 length;
 	struct pppoe_tag tag[0];
-} __packed;
+} __attribute__((packed));
 
 /* Length of entire PPPoE + PPP header */
 #define PPPOE_SES_HLEN	8
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index ab9e9e89e407..e62683ba88e6 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -58,7 +58,7 @@ struct ipv6_opt_hdr {
 	/* 
 	 * TLV encoded option data follows.
 	 */
-} __packed;	/* required for some archs */
+} __attribute__((packed));	/* required for some archs */
 
 #define ipv6_destopt_hdr ipv6_opt_hdr
 #define ipv6_hopopt_hdr  ipv6_opt_hdr
@@ -99,7 +99,7 @@ struct ipv6_destopt_hao {
 	__u8			type;
 	__u8			length;
 	struct in6_addr		addr;
-} __packed;
+} __attribute__((packed));
 
 /*
  *	IPv6 fixed header
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 311f8753d713..4aa95f203f3e 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -836,6 +836,8 @@ extern void __kfifo_dma_out_finish_r(struct __kfifo *fifo, size_t recsize);
 
 extern unsigned int __kfifo_len_r(struct __kfifo *fifo, size_t recsize);
 
+extern void __kfifo_skip_r(struct __kfifo *fifo, size_t recsize);
+
 extern unsigned int __kfifo_out_peek_r(struct __kfifo *fifo,
 	void *buf, unsigned int len, size_t recsize);
 
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index cf343a852534..7950a37a7146 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -22,6 +22,7 @@
 #include <linux/compiler.h>
 #include <linux/spinlock.h>
 #include <linux/kref.h>
+#include <linux/kobject_ns.h>
 #include <linux/kernel.h>
 #include <linux/wait.h>
 #include <asm/atomic.h>
@@ -136,42 +137,8 @@ struct kobj_attribute {
 
 extern const struct sysfs_ops kobj_sysfs_ops;
 
-/*
- * Namespace types which are used to tag kobjects and sysfs entries.
- * Network namespace will likely be the first.
- */
-enum kobj_ns_type {
-	KOBJ_NS_TYPE_NONE = 0,
-	KOBJ_NS_TYPE_NET,
-	KOBJ_NS_TYPES
-};
-
 struct sock;
 
-/*
- * Callbacks so sysfs can determine namespaces
- *   @current_ns: return calling task's namespace
- *   @netlink_ns: return namespace to which a sock belongs (right?)
- *   @initial_ns: return the initial namespace (i.e. init_net_ns)
- */
-struct kobj_ns_type_operations {
-	enum kobj_ns_type type;
-	const void *(*current_ns)(void);
-	const void *(*netlink_ns)(struct sock *sk);
-	const void *(*initial_ns)(void);
-};
-
-int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
-int kobj_ns_type_registered(enum kobj_ns_type type);
-const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
-const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
-
-const void *kobj_ns_current(enum kobj_ns_type type);
-const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk);
-const void *kobj_ns_initial(enum kobj_ns_type type);
-void kobj_ns_exit(enum kobj_ns_type type, const void *ns);
-
-
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
  *
diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h
new file mode 100644
index 000000000000..82cb5bf461fb
--- /dev/null
+++ b/include/linux/kobject_ns.h
@@ -0,0 +1,56 @@
+/* Kernel object name space definitions
+ *
+ * Copyright (c) 2002-2003 Patrick Mochel
+ * Copyright (c) 2002-2003 Open Source Development Labs
+ * Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (c) 2006-2008 Novell Inc.
+ *
+ * Split from kobject.h by David Howells (dhowells@redhat.com)
+ *
+ * This file is released under the GPLv2.
+ *
+ * Please read Documentation/kobject.txt before using the kobject
+ * interface, ESPECIALLY the parts about reference counts and object
+ * destructors.
+ */
+
+#ifndef _LINUX_KOBJECT_NS_H
+#define _LINUX_KOBJECT_NS_H
+
+struct sock;
+struct kobject;
+
+/*
+ * Namespace types which are used to tag kobjects and sysfs entries.
+ * Network namespace will likely be the first.
+ */
+enum kobj_ns_type {
+	KOBJ_NS_TYPE_NONE = 0,
+	KOBJ_NS_TYPE_NET,
+	KOBJ_NS_TYPES
+};
+
+/*
+ * Callbacks so sysfs can determine namespaces
+ *   @current_ns: return calling task's namespace
+ *   @netlink_ns: return namespace to which a sock belongs (right?)
+ *   @initial_ns: return the initial namespace (i.e. init_net_ns)
+ */
+struct kobj_ns_type_operations {
+	enum kobj_ns_type type;
+	const void *(*current_ns)(void);
+	const void *(*netlink_ns)(struct sock *sk);
+	const void *(*initial_ns)(void);
+};
+
+int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
+int kobj_ns_type_registered(enum kobj_ns_type type);
+const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
+const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
+
+const void *kobj_ns_current(enum kobj_ns_type type);
+const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk);
+const void *kobj_ns_initial(enum kobj_ns_type type);
+void kobj_ns_exit(enum kobj_ns_type type, const void *ns);
+
+#endif /* _LINUX_KOBJECT_NS_H */
diff --git a/include/linux/lglock.h b/include/linux/lglock.h
new file mode 100644
index 000000000000..b288cb713b90
--- /dev/null
+++ b/include/linux/lglock.h
@@ -0,0 +1,172 @@
+/*
+ * Specialised local-global spinlock. Can only be declared as global variables
+ * to avoid overhead and keep things simple (and we don't want to start using
+ * these inside dynamically allocated structures).
+ *
+ * "local/global locks" (lglocks) can be used to:
+ *
+ * - Provide fast exclusive access to per-CPU data, with exclusive access to
+ *   another CPU's data allowed but possibly subject to contention, and to
+ *   provide very slow exclusive access to all per-CPU data.
+ * - Or to provide very fast and scalable read serialisation, and to provide
+ *   very slow exclusive serialisation of data (not necessarily per-CPU data).
+ *
+ * Brlocks are also implemented as a short-hand notation for the latter use
+ * case.
+ *
+ * Copyright 2009, 2010, Nick Piggin, Novell Inc.
+ */
+#ifndef __LINUX_LGLOCK_H
+#define __LINUX_LGLOCK_H
+
+#include <linux/spinlock.h>
+#include <linux/lockdep.h>
+#include <linux/percpu.h>
+
+/* can make br locks by using local lock for read side, global lock for write */
+#define br_lock_init(name)	name##_lock_init()
+#define br_read_lock(name)	name##_local_lock()
+#define br_read_unlock(name)	name##_local_unlock()
+#define br_write_lock(name)	name##_global_lock_online()
+#define br_write_unlock(name)	name##_global_unlock_online()
+
+#define DECLARE_BRLOCK(name)	DECLARE_LGLOCK(name)
+#define DEFINE_BRLOCK(name)	DEFINE_LGLOCK(name)
+
+
+#define lg_lock_init(name)	name##_lock_init()
+#define lg_local_lock(name)	name##_local_lock()
+#define lg_local_unlock(name)	name##_local_unlock()
+#define lg_local_lock_cpu(name, cpu)	name##_local_lock_cpu(cpu)
+#define lg_local_unlock_cpu(name, cpu)	name##_local_unlock_cpu(cpu)
+#define lg_global_lock(name)	name##_global_lock()
+#define lg_global_unlock(name)	name##_global_unlock()
+#define lg_global_lock_online(name) name##_global_lock_online()
+#define lg_global_unlock_online(name) name##_global_unlock_online()
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+#define LOCKDEP_INIT_MAP lockdep_init_map
+
+#define DEFINE_LGLOCK_LOCKDEP(name)					\
+ struct lock_class_key name##_lock_key;					\
+ struct lockdep_map name##_lock_dep_map;				\
+ EXPORT_SYMBOL(name##_lock_dep_map)
+
+#else
+#define LOCKDEP_INIT_MAP(a, b, c, d)
+
+#define DEFINE_LGLOCK_LOCKDEP(name)
+#endif
+
+
+#define DECLARE_LGLOCK(name)						\
+ extern void name##_lock_init(void);					\
+ extern void name##_local_lock(void);					\
+ extern void name##_local_unlock(void);					\
+ extern void name##_local_lock_cpu(int cpu);				\
+ extern void name##_local_unlock_cpu(int cpu);				\
+ extern void name##_global_lock(void);					\
+ extern void name##_global_unlock(void);				\
+ extern void name##_global_lock_online(void);				\
+ extern void name##_global_unlock_online(void);				\
+
+#define DEFINE_LGLOCK(name)						\
+									\
+ DEFINE_PER_CPU(arch_spinlock_t, name##_lock);				\
+ DEFINE_LGLOCK_LOCKDEP(name);						\
+									\
+ void name##_lock_init(void) {						\
+	int i;								\
+	LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
+	for_each_possible_cpu(i) {					\
+		arch_spinlock_t *lock;					\
+		lock = &per_cpu(name##_lock, i);			\
+		*lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;	\
+	}								\
+ }									\
+ EXPORT_SYMBOL(name##_lock_init);					\
+									\
+ void name##_local_lock(void) {						\
+	arch_spinlock_t *lock;						\
+	preempt_disable();						\
+	rwlock_acquire_read(&name##_lock_dep_map, 0, 0, _THIS_IP_);	\
+	lock = &__get_cpu_var(name##_lock);				\
+	arch_spin_lock(lock);						\
+ }									\
+ EXPORT_SYMBOL(name##_local_lock);					\
+									\
+ void name##_local_unlock(void) {					\
+	arch_spinlock_t *lock;						\
+	rwlock_release(&name##_lock_dep_map, 1, _THIS_IP_);		\
+	lock = &__get_cpu_var(name##_lock);				\
+	arch_spin_unlock(lock);						\
+	preempt_enable();						\
+ }									\
+ EXPORT_SYMBOL(name##_local_unlock);					\
+									\
+ void name##_local_lock_cpu(int cpu) {					\
+	arch_spinlock_t *lock;						\
+	preempt_disable();						\
+	rwlock_acquire_read(&name##_lock_dep_map, 0, 0, _THIS_IP_);	\
+	lock = &per_cpu(name##_lock, cpu);				\
+	arch_spin_lock(lock);						\
+ }									\
+ EXPORT_SYMBOL(name##_local_lock_cpu);					\
+									\
+ void name##_local_unlock_cpu(int cpu) {				\
+	arch_spinlock_t *lock;						\
+	rwlock_release(&name##_lock_dep_map, 1, _THIS_IP_);		\
+	lock = &per_cpu(name##_lock, cpu);				\
+	arch_spin_unlock(lock);						\
+	preempt_enable();						\
+ }									\
+ EXPORT_SYMBOL(name##_local_unlock_cpu);				\
+									\
+ void name##_global_lock_online(void) {					\
+	int i;								\
+	preempt_disable();						\
+	rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);		\
+	for_each_online_cpu(i) {					\
+		arch_spinlock_t *lock;					\
+		lock = &per_cpu(name##_lock, i);			\
+		arch_spin_lock(lock);					\
+	}								\
+ }									\
+ EXPORT_SYMBOL(name##_global_lock_online);				\
+									\
+ void name##_global_unlock_online(void) {				\
+	int i;								\
+	rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);		\
+	for_each_online_cpu(i) {					\
+		arch_spinlock_t *lock;					\
+		lock = &per_cpu(name##_lock, i);			\
+		arch_spin_unlock(lock);					\
+	}								\
+	preempt_enable();						\
+ }									\
+ EXPORT_SYMBOL(name##_global_unlock_online);				\
+									\
+ void name##_global_lock(void) {					\
+	int i;								\
+	preempt_disable();						\
+	rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);		\
+	for_each_online_cpu(i) {					\
+		arch_spinlock_t *lock;					\
+		lock = &per_cpu(name##_lock, i);			\
+		arch_spin_lock(lock);					\
+	}								\
+ }									\
+ EXPORT_SYMBOL(name##_global_lock);					\
+									\
+ void name##_global_unlock(void) {					\
+	int i;								\
+	rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);		\
+	for_each_online_cpu(i) {					\
+		arch_spinlock_t *lock;					\
+		lock = &per_cpu(name##_lock, i);			\
+		arch_spin_unlock(lock);					\
+	}								\
+	preempt_enable();						\
+ }									\
+ EXPORT_SYMBOL(name##_global_unlock);
+#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 709f6728fc90..831c693416b2 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -78,7 +78,11 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_MAYSHARE	0x00000080
 
 #define VM_GROWSDOWN	0x00000100	/* general info on the segment */
+#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64)
 #define VM_GROWSUP	0x00000200
+#else
+#define VM_GROWSUP	0x00000000
+#endif
 #define VM_PFNMAP	0x00000400	/* Page-ranges managed without "struct page", just pure PFN */
 #define VM_DENYWRITE	0x00000800	/* ETXTBSY on write attempts.. */
 
@@ -1330,8 +1334,10 @@ unsigned long ra_submit(struct file_ra_state *ra,
 
 /* Do stack extension */
 extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
-#ifdef CONFIG_IA64
+#if VM_GROWSUP
 extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
+#else
+  #define expand_upwards(vma, address) do { } while (0)
 #endif
 extern int expand_stack_downwards(struct vm_area_struct *vma,
 				  unsigned long address);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index b8bb9a6a1f37..ee7e258627f9 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -134,7 +134,7 @@ struct vm_area_struct {
 					   within vm_mm. */
 
 	/* linked list of VM areas per task, sorted by address */
-	struct vm_area_struct *vm_next;
+	struct vm_area_struct *vm_next, *vm_prev;
 
 	pgprot_t vm_page_prot;		/* Access permissions of this VMA. */
 	unsigned long vm_flags;		/* Flags, see mm.h. */
diff --git a/include/linux/nbd.h b/include/linux/nbd.h
index bb58854a8061..d146ca10c0f5 100644
--- a/include/linux/nbd.h
+++ b/include/linux/nbd.h
@@ -88,7 +88,7 @@ struct nbd_request {
 	char handle[8];
 	__be64 from;
 	__be32 len;
-} __packed;
+} __attribute__((packed));
 
 /*
  * This is the reply packet that nbd-server sends back to the client after
diff --git a/include/linux/ncp.h b/include/linux/ncp.h
index 3ace8370e61e..99f0adeeb3f3 100644
--- a/include/linux/ncp.h
+++ b/include/linux/ncp.h
@@ -27,7 +27,7 @@ struct ncp_request_header {
 	__u8 conn_high;
 	__u8 function;
 	__u8 data[0];
-} __packed;
+} __attribute__((packed));
 
 #define NCP_REPLY                (0x3333)
 #define NCP_WATCHDOG		 (0x3E3E)
@@ -42,7 +42,7 @@ struct ncp_reply_header {
 	__u8 completion_code;
 	__u8 connection_state;
 	__u8 data[0];
-} __packed;
+} __attribute__((packed));
 
 #define NCP_VOLNAME_LEN (16)
 #define NCP_NUMBER_OF_VOLUMES (256)
@@ -158,7 +158,7 @@ struct nw_info_struct {
 #ifdef __KERNEL__
 	struct nw_nfs_info nfs;
 #endif
-} __packed;
+} __attribute__((packed));
 
 /* modify mask - use with MODIFY_DOS_INFO structure */
 #define DM_ATTRIBUTES		  (cpu_to_le32(0x02))
@@ -190,12 +190,12 @@ struct nw_modify_dos_info {
 	__u16 inheritanceGrantMask;
 	__u16 inheritanceRevokeMask;
 	__u32 maximumSpace;
-} __packed;
+} __attribute__((packed));
 
 struct nw_search_sequence {
 	__u8 volNumber;
 	__u32 dirBase;
 	__u32 sequence;
-} __packed;
+} __attribute__((packed));
 
 #endif				/* _LINUX_NCP_H */
diff --git a/include/linux/netfilter/xt_IDLETIMER.h b/include/linux/netfilter/xt_IDLETIMER.h
index 3e1aa1be942e..208ae9387331 100644
--- a/include/linux/netfilter/xt_IDLETIMER.h
+++ b/include/linux/netfilter/xt_IDLETIMER.h
@@ -39,7 +39,7 @@ struct idletimer_tg_info {
 	char label[MAX_IDLETIMER_LABEL_SIZE];
 
 	/* for kernel module internal use only */
-	struct idletimer_tg *timer __attribute((aligned(8)));
+	struct idletimer_tg *timer __attribute__((aligned(8)));
 };
 
 #endif
diff --git a/include/linux/netfilter/xt_ipvs.h b/include/linux/netfilter/xt_ipvs.h
index 1167aeb7a347..eff34ac18808 100644
--- a/include/linux/netfilter/xt_ipvs.h
+++ b/include/linux/netfilter/xt_ipvs.h
@@ -1,6 +1,8 @@
 #ifndef _XT_IPVS_H
 #define _XT_IPVS_H
 
+#include <linux/types.h>
+
 enum {
 	XT_IPVS_IPVS_PROPERTY =	1 << 0, /* all other options imply this one */
 	XT_IPVS_PROTO =		1 << 1,
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index 24426c3d6b5a..76edadf046d3 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -56,7 +56,7 @@ struct phonethdr {
 	__be16	pn_length;
 	__u8	pn_robj;
 	__u8	pn_sobj;
-} __packed;
+} __attribute__((packed));
 
 /* Common Phonet payload header */
 struct phonetmsg {
@@ -98,7 +98,7 @@ struct sockaddr_pn {
 	__u8 spn_dev;
 	__u8 spn_resource;
 	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
-} __packed;
+} __attribute__((packed));
 
 /* Well known address */
 #define PN_DEV_PC	0x10
diff --git a/include/linux/pxa168_eth.h b/include/linux/pxa168_eth.h
new file mode 100644
index 000000000000..18d75e795606
--- /dev/null
+++ b/include/linux/pxa168_eth.h
@@ -0,0 +1,30 @@
+/*
+ *pxa168 ethernet platform device data definition file.
+ */
+#ifndef __LINUX_PXA168_ETH_H
+#define __LINUX_PXA168_ETH_H
+
+struct pxa168_eth_platform_data {
+	int	port_number;
+	int	phy_addr;
+
+	/*
+	 * If speed is 0, then speed and duplex are autonegotiated.
+	 */
+	int	speed;		/* 0, SPEED_10, SPEED_100 */
+	int	duplex;		/* DUPLEX_HALF or DUPLEX_FULL */
+
+	/*
+	 * Override default RX/TX queue sizes if nonzero.
+	 */
+	int	rx_queue_size;
+	int	tx_queue_size;
+
+	/*
+	 * init callback is used for board specific initialization
+	 * e.g on Aspenite its used to initialize the PHY transceiver.
+	 */
+	int (*init)(void);
+};
+
+#endif /* __LINUX_PXA168_ETH_H */
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 4f82326eb294..08c32e4f261a 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -81,7 +81,7 @@ struct rfkill_event {
 	__u8  type;
 	__u8  op;
 	__u8  soft, hard;
-} __packed;
+} __attribute__((packed));
 
 /*
  * We are planning to be backward and forward compatible with changes
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ce160d68f5e7..1e2a6db2d7dd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2109,7 +2109,9 @@ extern void daemonize(const char *, ...);
 extern int allow_signal(int);
 extern int disallow_signal(int);
 
-extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
+extern int do_execve(const char *,
+		     const char __user * const __user *,
+		     const char __user * const __user *, struct pt_regs *);
 extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
 struct task_struct *fork_idle(int);
 
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 6d14409c4d9a..9f63538928c0 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -68,7 +68,7 @@ struct kmem_cache_order_objects {
  * Slab cache management.
  */
 struct kmem_cache {
-	struct kmem_cache_cpu *cpu_slab;
+	struct kmem_cache_cpu __percpu *cpu_slab;
 	/* Used for retriving partial slabs etc */
 	unsigned long flags;
 	int size;		/* The size of an object including meta data */
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index ae0a5286f558..92e52a1e6af3 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -213,6 +213,9 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  * @dma_alignment: SPI controller constraint on DMA buffers alignment.
  * @mode_bits: flags understood by this controller driver
  * @flags: other constraints relevant to this driver
+ * @bus_lock_spinlock: spinlock for SPI bus locking
+ * @bus_lock_mutex: mutex for SPI bus locking
+ * @bus_lock_flag: indicates that the SPI bus is locked for exclusive use
  * @setup: updates the device mode and clocking records used by a
  *	device's SPI controller; protocol code may call this.  This
  *	must fail if an unrecognized or unsupported mode is requested.
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 6e5d19788634..e6319d18a55d 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -820,7 +820,7 @@ asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
 				  u64 mask, int fd,
 				  const char  __user *pathname);
 
-int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
+int kernel_execve(const char *filename, const char *const argv[], const char *const envp[]);
 
 
 asmlinkage long sys_perf_event_open(
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 3c92121ba9af..96eb576d82fd 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -16,6 +16,7 @@
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/lockdep.h>
+#include <linux/kobject_ns.h>
 #include <asm/atomic.h>
 
 struct kobject;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 1437da3ddc62..67d64e6efe7a 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -329,6 +329,13 @@ struct tty_struct {
 	struct tty_port *port;
 };
 
+/* Each of a tty's open files has private_data pointing to tty_file_private */
+struct tty_file_private {
+	struct tty_struct *tty;
+	struct file *file;
+	struct list_head list;
+};
+
 /* tty magic number */
 #define TTY_MAGIC		0x5401
 
@@ -458,6 +465,7 @@ extern void proc_clear_tty(struct task_struct *p);
 extern struct tty_struct *get_current_tty(void);
 extern void tty_default_fops(struct file_operations *fops);
 extern struct tty_struct *alloc_tty_struct(void);
+extern void tty_add_file(struct tty_struct *tty, struct file *file);
 extern void free_tty_struct(struct tty_struct *tty);
 extern void initialize_tty_struct(struct tty_struct *tty,
 		struct tty_driver *driver, int idx);
@@ -470,6 +478,7 @@ extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty);
 extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty);
 
 extern struct mutex tty_mutex;
+extern spinlock_t tty_files_lock;
 
 extern void tty_write_unlock(struct tty_struct *tty);
 extern int tty_write_lock(struct tty_struct *tty, int ndelay);
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 890bc1472190..617068134ae8 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -247,6 +247,7 @@ int usb_add_config(struct usb_composite_dev *,
  *	value; it should return zero on successful initialization.
  * @unbind: Reverses @bind(); called as a side effect of unregistering
  *	this driver.
+ * @disconnect: optional driver disconnect method
  * @suspend: Notifies when the host stops sending USB traffic,
  *	after function notifications
  * @resume: Notifies configuration when the host restarts USB traffic,
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 6a664c3f7c1e..7dc97d12253c 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1707,6 +1707,7 @@ struct snd_emu10k1 {
 	unsigned int card_type;			/* EMU10K1_CARD_* */
 	unsigned int ecard_ctrl;		/* ecard control bits */
 	unsigned long dma_mask;			/* PCI DMA mask */
+	unsigned int delay_pcm_irq;		/* in samples */
 	int max_cache_pages;			/* max memory size / PAGE_SIZE */
 	struct snd_dma_buffer silent_page;	/* silent page */
 	struct snd_dma_buffer ptb_pages;	/* page table pages */
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index c624126a9c8a..425bcfe56c62 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -81,14 +81,16 @@ TRACE_EVENT(timer_expire_entry,
 	TP_STRUCT__entry(
 		__field( void *,	timer	)
 		__field( unsigned long,	now	)
+		__field( void *,	function)
 	),
 
 	TP_fast_assign(
 		__entry->timer		= timer;
 		__entry->now		= jiffies;
+		__entry->function	= timer->function;
 	),
 
-	TP_printk("timer=%p now=%lu", __entry->timer, __entry->now)
+	TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now)
 );
 
 /**
@@ -200,14 +202,16 @@ TRACE_EVENT(hrtimer_expire_entry,
 	TP_STRUCT__entry(
 		__field( void *,	hrtimer	)
 		__field( s64,		now	)
+		__field( void *,	function)
 	),
 
 	TP_fast_assign(
 		__entry->hrtimer	= hrtimer;
 		__entry->now		= now->tv64;
+		__entry->function	= hrtimer->function;
 	),
 
-	TP_printk("hrtimer=%p now=%llu", __entry->hrtimer,
+	TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function,
 		  (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now }))
  );
 
diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h
new file mode 100644
index 000000000000..49682d7e9d60
--- /dev/null
+++ b/include/trace/events/workqueue.h
@@ -0,0 +1,62 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
+
+#if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_WORKQUEUE_H
+
+#include <linux/tracepoint.h>
+#include <linux/workqueue.h>
+
+/**
+ * workqueue_execute_start - called immediately before the workqueue callback
+ * @work:	pointer to struct work_struct
+ *
+ * Allows to track workqueue execution.
+ */
+TRACE_EVENT(workqueue_execute_start,
+
+	TP_PROTO(struct work_struct *work),
+
+	TP_ARGS(work),
+
+	TP_STRUCT__entry(
+		__field( void *,	work	)
+		__field( void *,	function)
+	),
+
+	TP_fast_assign(
+		__entry->work		= work;
+		__entry->function	= work->func;
+	),
+
+	TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
+);
+
+/**
+ * workqueue_execute_end - called immediately before the workqueue callback
+ * @work:	pointer to struct work_struct
+ *
+ * Allows to track workqueue execution.
+ */
+TRACE_EVENT(workqueue_execute_end,
+
+	TP_PROTO(struct work_struct *work),
+
+	TP_ARGS(work),
+
+	TP_STRUCT__entry(
+		__field( void *,	work	)
+	),
+
+	TP_fast_assign(
+		__entry->work		= work;
+	),
+
+	TP_printk("work struct %p", __entry->work)
+);
+
+
+#endif /*  _TRACE_WORKQUEUE_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h
index ce9d671c636c..a785a3b0c8c7 100644
--- a/include/xen/platform_pci.h
+++ b/include/xen/platform_pci.h
@@ -16,11 +16,15 @@
 #define XEN_IOPORT_PROTOVER	(XEN_IOPORT_BASE + 2) /* 1 byte access (R) */
 #define XEN_IOPORT_PRODNUM	(XEN_IOPORT_BASE + 2) /* 2 byte access (W) */
 
-#define XEN_UNPLUG_ALL_IDE_DISKS 1
-#define XEN_UNPLUG_ALL_NICS 2
-#define XEN_UNPLUG_AUX_IDE_DISKS 4
-#define XEN_UNPLUG_ALL 7
-#define XEN_UNPLUG_IGNORE 8
+#define XEN_UNPLUG_ALL_IDE_DISKS	(1<<0)
+#define XEN_UNPLUG_ALL_NICS		(1<<1)
+#define XEN_UNPLUG_AUX_IDE_DISKS	(1<<2)
+#define XEN_UNPLUG_ALL			(XEN_UNPLUG_ALL_IDE_DISKS|\
+					 XEN_UNPLUG_ALL_NICS|\
+					 XEN_UNPLUG_AUX_IDE_DISKS)
+
+#define XEN_UNPLUG_UNNECESSARY 		(1<<16)
+#define XEN_UNPLUG_NEVER	 		(1<<17)
 
 static inline int xen_must_unplug_nics(void) {
 #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \