28 files changed, 868 insertions, 534 deletions

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0f5f57858a23..8c4f884db6b4 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
 struct fb_info;
 
 struct backlight_ops {
-        unsigned int options;
+        const unsigned int options;
 
 #define BL_CORE_SUSPENDRESUME   (1 << 0)
 
         /* Notify the backlight driver some property has changed */
-        int (*update_status)(struct backlight_device *);
+        int (* const update_status)(struct backlight_device *);
         /* Return the current backlight brightness (accounting for power,
            fb_blank etc.) */
-        int (*get_brightness)(struct backlight_device *);
+        int (* const get_brightness)(struct backlight_device *);
         /* Check if given framebuffer device is the one bound to this backlight;
            return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
-        int (*check_fb)(struct fb_info *);
+        int (* const check_fb)(struct fb_info *);
 };
 
 /* This structure defines all the properties of a backlight */
@@ -86,7 +86,7 @@ struct backlight_device {
            registered this device has been unloaded, and if class_get_devdata()
            points to something in the body of that driver, it is also invalid. */
         struct mutex ops_lock;
-        struct backlight_ops *ops;
+        const struct backlight_ops *ops;
 
         /* The framebuffer notifier block */
         struct notifier_block fb_notif;
@@ -103,7 +103,7 @@ static inline void backlight_update_status(struct backlight_device *bd)
 }
 
 extern struct backlight_device *backlight_device_register(const char *name,
-        struct device *dev, void *devdata, struct backlight_ops *ops);
+        struct device *dev, void *devdata, const struct backlight_ops *ops);
 extern void backlight_device_unregister(struct backlight_device *bd);
 extern void backlight_force_update(struct backlight_device *bd,
                                    enum backlight_update_reason reason);
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index aece486ac734..cd4349bdc34e 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -68,6 +68,14 @@ struct linux_binprm{
 
 #define BINPRM_MAX_RECURSION 4
 
+/* Function parameter for binfmt->coredump */
+struct coredump_params {
+        long signr;
+        struct pt_regs *regs;
+        struct file *file;
+        unsigned long limit;
+};
+
 /*
  * This structure defines the functions that are used to load the binary formats that
  * linux accepts.
@@ -77,7 +85,7 @@ struct linux_binfmt {
         struct module *module;
         int (*load_binary)(struct linux_binprm *, struct  pt_regs * regs);
         int (*load_shlib)(struct file *);
-        int (*core_dump)(long signr, struct pt_regs *regs, struct file *file, unsigned long limit);
+        int (*core_dump)(struct coredump_params *cprm);
         unsigned long min_coredump;     /* minimal dump size */
         int hasvdso;
 };
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 12ff8c3f1d05..5032b9a31ae7 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -25,7 +25,7 @@ static void *malloc(int size)
         void *p;
 
         if (size < 0)
-                error("Malloc error");
+                return NULL;
         if (!malloc_ptr)
                 malloc_ptr = free_mem_ptr;
 
@@ -35,7 +35,7 @@ static void *malloc(int size)
         malloc_ptr += size;
 
         if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr)
-                error("Out of memory");
+                return NULL;
 
         malloc_count++;
         return p;
diff --git a/include/linux/elf.h b/include/linux/elf.h
index 90a4ed0ea0e5..0cc4d55151b7 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -361,7 +361,7 @@ typedef struct elf64_shdr {
 #define NT_PPC_VSX      0x102           /* PowerPC VSX registers */
 #define NT_386_TLS      0x200           /* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM   0x201           /* x86 io permission bitmap (1=deny) */
-#define NT_PRXSTATUS    0x300           /* s390 upper register halves */
+#define NT_S390_HIGH_GPRS       0x300   /* s390 upper register halves */
 
 
 /* Note header in a PT_NOTE section */
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 90d1c2184112..9a33c5f7e126 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -42,6 +42,8 @@ enum enclosure_status {
         ENCLOSURE_STATUS_NOT_INSTALLED,
         ENCLOSURE_STATUS_UNKNOWN,
         ENCLOSURE_STATUS_UNAVAILABLE,
+        /* last element for counting purposes */
+        ENCLOSURE_STATUS_MAX
 };
 
 /* SFF-8485 activity light settings */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cca191933ff6..7e3012e0ac06 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1624,8 +1624,6 @@ struct super_operations {
  *                      on the bit address once it is done.
  *
  * Q: What is the difference between I_WILL_FREE and I_FREEING?
- * Q: igrab() only checks on (I_FREEING|I_WILL_FREE).  Should it also check on
- *    I_CLEAR?  If not, why?
  */
 #define I_DIRTY_SYNC            1
 #define I_DIRTY_DATASYNC        2
@@ -2464,5 +2462,8 @@ int proc_nr_files(struct ctl_table *table, int write,
 
 int __init get_filesystem_list(char *buf);
 
+#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
+#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE))
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_FS_H */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 5ed8b9c50355..abec69b63d7e 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -111,12 +111,6 @@ extern struct cred init_cred;
 # define INIT_PERF_EVENTS(tsk)
 #endif
 
-#ifdef CONFIG_FS_JOURNAL_INFO
-#define INIT_JOURNAL_INFO       .journal_info = NULL,
-#else
-#define INIT_JOURNAL_INFO
-#endif
-
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -168,6 +162,7 @@ extern struct cred init_cred;
                 .signal = {{0}}},                                       \
         .blocked        = {{0}},                                        \
         .alloc_lock     = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock),         \
+        .journal_info   = NULL,                                         \
         .cpu_timers     = INIT_CPU_TIMERS(tsk.cpu_timers),              \
         .fs_excl        = ATOMIC_INIT(0),                               \
         .pi_lock        = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock),        \
@@ -178,7 +173,6 @@ extern struct cred init_cred;
                 [PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),            \
         },                                                              \
         .dirties = INIT_PROP_LOCAL_SINGLE(dirties),                     \
-        INIT_JOURNAL_INFO                                               \
         INIT_IDS                                                        \
         INIT_PERF_EVENTS(tsk)                                           \
         INIT_TRACE_IRQFLAGS                                             \
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index ad6bdf5a5970..486e8ad3bb50 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -1,6 +1,7 @@
 /*
- * A simple kernel FIFO implementation.
+ * A generic kernel FIFO implementation.
  *
+ * Copyright (C) 2009 Stefani Seibold <stefani@seibold.net>
  * Copyright (C) 2004 Stelian Pop <stelian@popies.net>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18,6 +19,25 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
+
+/*
+ * Howto porting drivers to the new generic fifo API:
+ *
+ * - Modify the declaration of the "struct kfifo *" object into a
+ *   in-place "struct kfifo" object
+ * - Init the in-place object with kfifo_alloc() or kfifo_init()
+ *   Note: The address of the in-place "struct kfifo" object must be
+ *   passed as the first argument to this functions
+ * - Replace the use of __kfifo_put into kfifo_in and __kfifo_get
+ *   into kfifo_out
+ * - Replace the use of kfifo_put into kfifo_in_locked and kfifo_get
+ *   into kfifo_out_locked
+ *   Note: the spinlock pointer formerly passed to kfifo_init/kfifo_alloc
+ *   must be passed now to the kfifo_in_locked and kfifo_out_locked
+ *   as the last parameter.
+ * - All formerly name __kfifo_* functions has been renamed into kfifo_*
+ */
+
 #ifndef _LINUX_KFIFO_H
 #define _LINUX_KFIFO_H
 
@@ -29,124 +49,563 @@ struct kfifo {
         unsigned int size;      /* the size of the allocated buffer */
         unsigned int in;        /* data is added at offset (in % size) */
         unsigned int out;       /* data is extracted from off. (out % size) */
-        spinlock_t *lock;       /* protects concurrent modifications */
 };
 
-extern struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size,
-                                gfp_t gfp_mask, spinlock_t *lock);
-extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask,
-                                 spinlock_t *lock);
+/*
+ * Macros for declaration and initialization of the kfifo datatype
+ */
+
+/* helper macro */
+#define __kfifo_initializer(s, b) \
+        (struct kfifo) { \
+                .size   = s, \
+                .in     = 0, \
+                .out    = 0, \
+                .buffer = b \
+        }
+
+/**
+ * DECLARE_KFIFO - macro to declare a kfifo and the associated buffer
+ * @name: name of the declared kfifo datatype
+ * @size: size of the fifo buffer
+ *
+ * Note: the macro can be used inside struct or union declaration
+ * Note: the macro creates two objects:
+ *  A kfifo object with the given name and a buffer for the kfifo
+ *  object named name##kfifo_buffer
+ */
+#define DECLARE_KFIFO(name, size) \
+union { \
+        struct kfifo name; \
+        unsigned char name##kfifo_buffer[size + sizeof(struct kfifo)]; \
+}
+
+/**
+ * INIT_KFIFO - Initialize a kfifo declared by DECLARED_KFIFO
+ * @name: name of the declared kfifo datatype
+ * @size: size of the fifo buffer
+ */
+#define INIT_KFIFO(name) \
+        name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \
+                                sizeof(struct kfifo), name##kfifo_buffer)
+
+/**
+ * DEFINE_KFIFO - macro to define and initialize a kfifo
+ * @name: name of the declared kfifo datatype
+ * @size: size of the fifo buffer
+ *
+ * Note: the macro can be used for global and local kfifo data type variables
+ * Note: the macro creates two objects:
+ *  A kfifo object with the given name and a buffer for the kfifo
+ *  object named name##kfifo_buffer
+ */
+#define DEFINE_KFIFO(name, size) \
+        unsigned char name##kfifo_buffer[size]; \
+        struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer)
+
+#undef __kfifo_initializer
+
+extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
+                        unsigned int size);
+extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
+                        gfp_t gfp_mask);
 extern void kfifo_free(struct kfifo *fifo);
-extern unsigned int __kfifo_put(struct kfifo *fifo,
-                                const unsigned char *buffer, unsigned int len);
-extern unsigned int __kfifo_get(struct kfifo *fifo,
-                                unsigned char *buffer, unsigned int len);
+extern unsigned int kfifo_in(struct kfifo *fifo,
+                                const unsigned char *from, unsigned int len);
+extern __must_check unsigned int kfifo_out(struct kfifo *fifo,
+                                unsigned char *to, unsigned int len);
 
 /**
- * __kfifo_reset - removes the entire FIFO contents, no locking version
+ * kfifo_reset - removes the entire FIFO contents
  * @fifo: the fifo to be emptied.
  */
-static inline void __kfifo_reset(struct kfifo *fifo)
+static inline void kfifo_reset(struct kfifo *fifo)
 {
         fifo->in = fifo->out = 0;
 }
 
 /**
- * kfifo_reset - removes the entire FIFO contents
+ * kfifo_reset_out - skip FIFO contents
  * @fifo: the fifo to be emptied.
  */
-static inline void kfifo_reset(struct kfifo *fifo)
+static inline void kfifo_reset_out(struct kfifo *fifo)
 {
-        unsigned long flags;
+        smp_mb();
+        fifo->out = fifo->in;
+}
 
-        spin_lock_irqsave(fifo->lock, flags);
+/**
+ * kfifo_size - returns the size of the fifo in bytes
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check unsigned int kfifo_size(struct kfifo *fifo)
+{
+        return fifo->size;
+}
 
-        __kfifo_reset(fifo);
+/**
+ * kfifo_len - returns the number of used bytes in the FIFO
+ * @fifo: the fifo to be used.
+ */
+static inline unsigned int kfifo_len(struct kfifo *fifo)
+{
+        register unsigned int   out;
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        out = fifo->out;
+        smp_rmb();
+        return fifo->in - out;
 }
 
 /**
- * kfifo_put - puts some data into the FIFO
+ * kfifo_is_empty - returns true if the fifo is empty
  * @fifo: the fifo to be used.
- * @buffer: the data to be added.
- * @len: the length of the data to be added.
+ */
+static inline __must_check int kfifo_is_empty(struct kfifo *fifo)
+{
+        return fifo->in == fifo->out;
+}
+
+/**
+ * kfifo_is_full - returns true if the fifo is full
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check int kfifo_is_full(struct kfifo *fifo)
+{
+        return kfifo_len(fifo) == kfifo_size(fifo);
+}
+
+/**
+ * kfifo_avail - returns the number of bytes available in the FIFO
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check unsigned int kfifo_avail(struct kfifo *fifo)
+{
+        return kfifo_size(fifo) - kfifo_len(fifo);
+}
+
+/**
+ * kfifo_in_locked - puts some data into the FIFO using a spinlock for locking
+ * @fifo: the fifo to be used.
+ * @from: the data to be added.
+ * @n: the length of the data to be added.
+ * @lock: pointer to the spinlock to use for locking.
  *
- * This function copies at most @len bytes from the @buffer into
+ * This function copies at most @len bytes from the @from buffer into
  * the FIFO depending on the free space, and returns the number of
  * bytes copied.
  */
-static inline unsigned int kfifo_put(struct kfifo *fifo,
-                                const unsigned char *buffer, unsigned int len)
+static inline unsigned int kfifo_in_locked(struct kfifo *fifo,
+                const unsigned char *from, unsigned int n, spinlock_t *lock)
 {
         unsigned long flags;
         unsigned int ret;
 
-        spin_lock_irqsave(fifo->lock, flags);
+        spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_put(fifo, buffer, len);
+        ret = kfifo_in(fifo, from, n);
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        spin_unlock_irqrestore(lock, flags);
 
         return ret;
 }
 
 /**
- * kfifo_get - gets some data from the FIFO
+ * kfifo_out_locked - gets some data from the FIFO using a spinlock for locking
  * @fifo: the fifo to be used.
- * @buffer: where the data must be copied.
- * @len: the size of the destination buffer.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @lock: pointer to the spinlock to use for locking.
  *
  * This function copies at most @len bytes from the FIFO into the
- * @buffer and returns the number of copied bytes.
+ * @to buffer and returns the number of copied bytes.
  */
-static inline unsigned int kfifo_get(struct kfifo *fifo,
-                                     unsigned char *buffer, unsigned int len)
+static inline __must_check unsigned int kfifo_out_locked(struct kfifo *fifo,
+        unsigned char *to, unsigned int n, spinlock_t *lock)
 {
         unsigned long flags;
         unsigned int ret;
 
-        spin_lock_irqsave(fifo->lock, flags);
+        spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_get(fifo, buffer, len);
+        ret = kfifo_out(fifo, to, n);
 
         /*
          * optimization: if the FIFO is empty, set the indices to 0
          * so we don't wrap the next time
          */
-        if (fifo->in == fifo->out)
-                fifo->in = fifo->out = 0;
+        if (kfifo_is_empty(fifo))
+                kfifo_reset(fifo);
+
+        spin_unlock_irqrestore(lock, flags);
+
+        return ret;
+}
+
+extern void kfifo_skip(struct kfifo *fifo, unsigned int len);
+
+extern __must_check unsigned int kfifo_from_user(struct kfifo *fifo,
+        const void __user *from, unsigned int n);
+
+extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo,
+        void __user *to, unsigned int n);
+
+/**
+ * __kfifo_add_out internal helper function for updating the out offset
+ */
+static inline void __kfifo_add_out(struct kfifo *fifo,
+                                unsigned int off)
+{
+        smp_mb();
+        fifo->out += off;
+}
+
+/**
+ * __kfifo_add_in internal helper function for updating the in offset
+ */
+static inline void __kfifo_add_in(struct kfifo *fifo,
+                                unsigned int off)
+{
+        smp_wmb();
+        fifo->in += off;
+}
+
+/**
+ * __kfifo_off internal helper function for calculating the index of a
+ * given offeset
+ */
+static inline unsigned int __kfifo_off(struct kfifo *fifo, unsigned int off)
+{
+        return off & (fifo->size - 1);
+}
+
+/**
+ * __kfifo_peek_n internal helper function for determinate the length of
+ * the next record in the fifo
+ */
+static inline unsigned int __kfifo_peek_n(struct kfifo *fifo,
+                                unsigned int recsize)
+{
+#define __KFIFO_GET(fifo, off, shift) \
+        ((fifo)->buffer[__kfifo_off((fifo), (fifo)->out+(off))] << (shift))
+
+        unsigned int l;
+
+        l = __KFIFO_GET(fifo, 0, 0);
+
+        if (--recsize)
+                l |= __KFIFO_GET(fifo, 1, 8);
+
+        return l;
+#undef  __KFIFO_GET
+}
+
+/**
+ * __kfifo_poke_n internal helper function for storing the length of
+ * the next record into the fifo
+ */
+static inline void __kfifo_poke_n(struct kfifo *fifo,
+                        unsigned int recsize, unsigned int n)
+{
+#define __KFIFO_PUT(fifo, off, val, shift) \
+                ( \
+                (fifo)->buffer[__kfifo_off((fifo), (fifo)->in+(off))] = \
+                (unsigned char)((val) >> (shift)) \
+                )
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        __KFIFO_PUT(fifo, 0, n, 0);
 
+        if (--recsize)
+                __KFIFO_PUT(fifo, 1, n, 8);
+#undef  __KFIFO_PUT
+}
+
+/**
+ * __kfifo_in_... internal functions for put date into the fifo
+ * do not call it directly, use kfifo_in_rec() instead
+ */
+extern unsigned int __kfifo_in_n(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize);
+
+extern unsigned int __kfifo_in_generic(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize);
+
+static inline unsigned int __kfifo_in_rec(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize)
+{
+        unsigned int ret;
+
+        ret = __kfifo_in_n(fifo, from, n, recsize);
+
+        if (likely(ret == 0)) {
+                if (recsize)
+                        __kfifo_poke_n(fifo, recsize, n);
+                __kfifo_add_in(fifo, n + recsize);
+        }
         return ret;
 }
 
 /**
- * __kfifo_len - returns the number of bytes available in the FIFO, no locking version
+ * kfifo_in_rec - puts some record data into the FIFO
  * @fifo: the fifo to be used.
+ * @from: the data to be added.
+ * @n: the length of the data to be added.
+ * @recsize: size of record field
+ *
+ * This function copies @n bytes from the @from into the FIFO and returns
+ * the number of bytes which cannot be copied.
+ * A returned value greater than the @n value means that the record doesn't
+ * fit into the buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
  */
-static inline unsigned int __kfifo_len(struct kfifo *fifo)
+static inline __must_check unsigned int kfifo_in_rec(struct kfifo *fifo,
+        void *from, unsigned int n, unsigned int recsize)
 {
-        return fifo->in - fifo->out;
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_in_generic(fifo, from, n, recsize);
+        return __kfifo_in_rec(fifo, from, n, recsize);
 }
 
 /**
- * kfifo_len - returns the number of bytes available in the FIFO
+ * __kfifo_out_... internal functions for get date from the fifo
+ * do not call it directly, use kfifo_out_rec() instead
+ */
+extern unsigned int __kfifo_out_n(struct kfifo *fifo,
+        void *to, unsigned int reclen, unsigned int recsize);
+
+extern unsigned int __kfifo_out_generic(struct kfifo *fifo,
+        void *to, unsigned int n,
+        unsigned int recsize, unsigned int *total);
+
+static inline unsigned int __kfifo_out_rec(struct kfifo *fifo,
+        void *to, unsigned int n, unsigned int recsize,
+        unsigned int *total)
+{
+        unsigned int l;
+
+        if (!recsize) {
+                l = n;
+                if (total)
+                        *total = l;
+        } else {
+                l = __kfifo_peek_n(fifo, recsize);
+                if (total)
+                        *total = l;
+                if (n < l)
+                        return l;
+        }
+
+        return __kfifo_out_n(fifo, to, l, recsize);
+}
+
+/**
+ * kfifo_out_rec - gets some record data from the FIFO
  * @fifo: the fifo to be used.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @recsize: size of record field
+ * @total: pointer where the total number of to copied bytes should stored
+ *
+ * This function copies at most @n bytes from the FIFO to @to and returns the
+ * number of bytes which cannot be copied.
+ * A returned value greater than the @n value means that the record doesn't
+ * fit into the @to buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
  */
-static inline unsigned int kfifo_len(struct kfifo *fifo)
+static inline __must_check unsigned int kfifo_out_rec(struct kfifo *fifo,
+        void *to, unsigned int n, unsigned int recsize,
+        unsigned int *total)
+
 {
-        unsigned long flags;
-        unsigned int ret;
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_out_generic(fifo, to, n, recsize, total);
+        return __kfifo_out_rec(fifo, to, n, recsize, total);
+}
+
+/**
+ * __kfifo_from_user_... internal functions for transfer from user space into
+ * the fifo. do not call it directly, use kfifo_from_user_rec() instead
+ */
+extern unsigned int __kfifo_from_user_n(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize);
 
-        spin_lock_irqsave(fifo->lock, flags);
+extern unsigned int __kfifo_from_user_generic(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize);
 
-        ret = __kfifo_len(fifo);
+static inline unsigned int __kfifo_from_user_rec(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize)
+{
+        unsigned int ret;
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        ret = __kfifo_from_user_n(fifo, from, n, recsize);
 
+        if (likely(ret == 0)) {
+                if (recsize)
+                        __kfifo_poke_n(fifo, recsize, n);
+                __kfifo_add_in(fifo, n + recsize);
+        }
         return ret;
 }
 
+/**
+ * kfifo_from_user_rec - puts some data from user space into the FIFO
+ * @fifo: the fifo to be used.
+ * @from: pointer to the data to be added.
+ * @n: the length of the data to be added.
+ * @recsize: size of record field
+ *
+ * This function copies @n bytes from the @from into the
+ * FIFO and returns the number of bytes which cannot be copied.
+ *
+ * If the returned value is equal or less the @n value, the copy_from_user()
+ * functions has failed. Otherwise the record doesn't fit into the buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
+ */
+static inline __must_check unsigned int kfifo_from_user_rec(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_from_user_generic(fifo, from, n, recsize);
+        return __kfifo_from_user_rec(fifo, from, n, recsize);
+}
+
+/**
+ * __kfifo_to_user_... internal functions for transfer fifo data into user space
+ * do not call it directly, use kfifo_to_user_rec() instead
+ */
+extern unsigned int __kfifo_to_user_n(struct kfifo *fifo,
+        void __user *to, unsigned int n, unsigned int reclen,
+        unsigned int recsize);
+
+extern unsigned int __kfifo_to_user_generic(struct kfifo *fifo,
+        void __user *to, unsigned int n, unsigned int recsize,
+        unsigned int *total);
+
+static inline unsigned int __kfifo_to_user_rec(struct kfifo *fifo,
+        void __user *to, unsigned int n,
+        unsigned int recsize, unsigned int *total)
+{
+        unsigned int l;
+
+        if (!recsize) {
+                l = n;
+                if (total)
+                        *total = l;
+        } else {
+                l = __kfifo_peek_n(fifo, recsize);
+                if (total)
+                        *total = l;
+                if (n < l)
+                        return l;
+        }
+
+        return __kfifo_to_user_n(fifo, to, n, l, recsize);
+}
+
+/**
+ * kfifo_to_user_rec - gets data from the FIFO and write it to user space
+ * @fifo: the fifo to be used.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @recsize: size of record field
+ * @total: pointer where the total number of to copied bytes should stored
+ *
+ * This function copies at most @n bytes from the FIFO to the @to.
+ * In case of an error, the function returns the number of bytes which cannot
+ * be copied.
+ * If the returned value is equal or less the @n value, the copy_to_user()
+ * functions has failed. Otherwise the record doesn't fit into the @to buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
+ */
+static inline __must_check unsigned int kfifo_to_user_rec(struct kfifo *fifo,
+                void __user *to, unsigned int n, unsigned int recsize,
+                unsigned int *total)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_to_user_generic(fifo, to, n, recsize, total);
+        return __kfifo_to_user_rec(fifo, to, n, recsize, total);
+}
+
+/**
+ * __kfifo_peek_... internal functions for peek into the next fifo record
+ * do not call it directly, use kfifo_peek_rec() instead
+ */
+extern unsigned int __kfifo_peek_generic(struct kfifo *fifo,
+                                unsigned int recsize);
+
+/**
+ * kfifo_peek_rec - gets the size of the next FIFO record data
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ *
+ * This function returns the size of the next FIFO record in number of bytes
+ */
+static inline __must_check unsigned int kfifo_peek_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_peek_generic(fifo, recsize);
+        if (!recsize)
+                return kfifo_len(fifo);
+        return __kfifo_peek_n(fifo, recsize);
+}
+
+/**
+ * __kfifo_skip_... internal functions for skip the next fifo record
+ * do not call it directly, use kfifo_skip_rec() instead
+ */
+extern void __kfifo_skip_generic(struct kfifo *fifo, unsigned int recsize);
+
+static inline void __kfifo_skip_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        unsigned int l;
+
+        if (recsize) {
+                l = __kfifo_peek_n(fifo, recsize);
+
+                if (l + recsize <= kfifo_len(fifo)) {
+                        __kfifo_add_out(fifo, l + recsize);
+                        return;
+                }
+        }
+        kfifo_reset_out(fifo);
+}
+
+/**
+ * kfifo_skip_rec - skip the next fifo out record
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ *
+ * This function skips the next FIFO record
+ */
+static inline void kfifo_skip_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                __kfifo_skip_generic(fifo, recsize);
+        else
+                __kfifo_skip_rec(fifo, recsize);
+}
+
+/**
+ * kfifo_avail_rec - returns the number of bytes available in a record FIFO
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ */
+static inline __must_check unsigned int kfifo_avail_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        unsigned int l = kfifo_size(fifo) - kfifo_len(fifo);
+
+        return (l > recsize) ? l - recsize : 0;
+}
+
 #endif
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
index 3c7497d46ee9..99d9a6766f7e 100644
--- a/include/linux/kmemleak.h
+++ b/include/linux/kmemleak.h
@@ -32,8 +32,7 @@ extern void kmemleak_padding(const void *ptr, unsigned long offset,
                              size_t size) __ref;
 extern void kmemleak_not_leak(const void *ptr) __ref;
 extern void kmemleak_ignore(const void *ptr) __ref;
-extern void kmemleak_scan_area(const void *ptr, unsigned long offset,
-                               size_t length, gfp_t gfp) __ref;
+extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
 extern void kmemleak_no_scan(const void *ptr) __ref;
 
 static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
@@ -84,8 +83,7 @@ static inline void kmemleak_not_leak(const void *ptr)
 static inline void kmemleak_ignore(const void *ptr)
 {
 }
-static inline void kmemleak_scan_area(const void *ptr, unsigned long offset,
-                                      size_t length, gfp_t gfp)
+static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
 {
 }
 static inline void kmemleak_erase(void **ptr)
diff --git a/include/linux/leds-lp3944.h b/include/linux/leds-lp3944.h
index afc9f9fd70f5..2618aa9063bc 100644
--- a/include/linux/leds-lp3944.h
+++ b/include/linux/leds-lp3944.h
@@ -12,9 +12,6 @@
 #ifndef __LINUX_LEDS_LP3944_H
 #define __LINUX_LEDS_LP3944_H
 
-#include <linux/leds.h>
-#include <linux/workqueue.h>
-
 #define LP3944_LED0 0
 #define LP3944_LED1 1
 #define LP3944_LED2 2
diff --git a/include/linux/leds-pca9532.h b/include/linux/leds-pca9532.h
index 96eea90f01a8..f158eb1149aa 100644
--- a/include/linux/leds-pca9532.h
+++ b/include/linux/leds-pca9532.h
@@ -32,7 +32,7 @@ struct pca9532_led {
         struct i2c_client *client;
         char *name;
         struct led_classdev ldev;
-       struct work_struct work;
+        struct work_struct work;
         enum pca9532_type type;
         enum pca9532_state state;
 };
diff --git a/include/linux/leds-regulator.h b/include/linux/leds-regulator.h
new file mode 100644
index 000000000000..5a8eb389aab8
--- /dev/null
+++ b/include/linux/leds-regulator.h
@@ -0,0 +1,46 @@
+/*
+ * leds-regulator.h - platform data structure for regulator driven LEDs.
+ *
+ * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __LINUX_LEDS_REGULATOR_H
+#define __LINUX_LEDS_REGULATOR_H
+
+/*
+ * Use "vled" as supply id when declaring the regulator consumer:
+ *
+ * static struct regulator_consumer_supply pcap_regulator_VVIB_consumers [] = {
+ *      { .dev_name = "leds-regulator.0", supply = "vled" },
+ * };
+ *
+ * If you have several regulator driven LEDs, you can append a numerical id to
+ * .dev_name as done above, and use the same id when declaring the platform
+ * device:
+ *
+ * static struct led_regulator_platform_data a780_vibrator_data = {
+ *      .name   = "a780::vibrator",
+ * };
+ *
+ * static struct platform_device a780_vibrator = {
+ *      .name = "leds-regulator",
+ *      .id   = 0,
+ *      .dev  = {
+ *              .platform_data = &a780_vibrator_data,
+ *      },
+ * };
+ */
+
+#include <linux/leds.h>
+
+struct led_regulator_platform_data {
+        char *name;                     /* LED name as expected by LED class */
+        enum led_brightness brightness; /* initial brightness value */
+};
+
+#endif /* __LINUX_LEDS_REGULATOR_H */
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 37fa19b34ef5..1adfe779eb99 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -50,6 +50,19 @@ struct memory_notify {
         int status_change_nid;
 };
 
+/*
+ * During pageblock isolation, count the number of pages within the
+ * range [start_pfn, start_pfn + nr_pages) which are owned by code
+ * in the notifier chain.
+ */
+#define MEM_ISOLATE_COUNT       (1<<0)
+
+struct memory_isolate_notify {
+        unsigned long start_pfn;        /* Start of range to check */
+        unsigned int nr_pages;          /* # pages in range to check */
+        unsigned int pages_found;       /* # pages owned found by callbacks */
+};
+
 struct notifier_block;
 struct mem_section;
 
@@ -76,14 +89,28 @@ static inline int memory_notify(unsigned long val, void *v)
 {
         return 0;
 }
+static inline int register_memory_isolate_notifier(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline void unregister_memory_isolate_notifier(struct notifier_block *nb)
+{
+}
+static inline int memory_isolate_notify(unsigned long val, void *v)
+{
+        return 0;
+}
 #else
 extern int register_memory_notifier(struct notifier_block *nb);
 extern void unregister_memory_notifier(struct notifier_block *nb);
+extern int register_memory_isolate_notifier(struct notifier_block *nb);
+extern void unregister_memory_isolate_notifier(struct notifier_block *nb);
 extern int register_new_memory(int, struct mem_section *);
 extern int unregister_memory_section(struct mem_section *);
 extern int memory_dev_init(void);
 extern int remove_memory_block(unsigned long, struct mem_section *, int);
 extern int memory_notify(unsigned long val, void *v);
+extern int memory_isolate_notify(unsigned long val, void *v);
 extern struct memory_block *find_memory_block(struct mem_section *);
 #define CONFIG_MEM_BLOCK_SIZE   (PAGES_PER_SECTION<<PAGE_SHIFT)
 enum mem_add_context { BOOT, HOTPLUG };
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 849b4a61bd8f..2265f28eb47a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1037,6 +1037,9 @@ extern void add_active_range(unsigned int nid, unsigned long start_pfn,
 extern void remove_active_range(unsigned int nid, unsigned long start_pfn,
                                         unsigned long end_pfn);
 extern void remove_all_active_ranges(void);
+void sort_node_map(void);
+unsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,
+                                                unsigned long end_pfn);
 extern unsigned long absent_pages_in_range(unsigned long start_pfn,
                                                 unsigned long end_pfn);
 extern void get_pfn_range_for_nid(unsigned int nid,
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index d9ebf1037dfa..d74785c2393a 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -23,6 +23,7 @@ struct proc_mounts {
 
 struct fs_struct;
 
+extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
                 struct fs_struct *);
 extern void put_mnt_ns(struct mnt_namespace *ns);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 028946750289..05b441d93642 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -72,8 +72,6 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
 
 extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
                 int (*open)(struct inode *, struct file *));
-extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
-extern void release_open_intent(struct nameidata *);
 
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
deleted file mode 100644
index e3fb25606706..000000000000
--- a/include/linux/perf_counter.h
+++ /dev/null
@@ -1,444 +0,0 @@
-/*
- *  NOTE: this file will be removed in a future kernel release, it is
- *  provided as a courtesy copy of user-space code that relies on the
- *  old (pre-rename) symbols and constants.
- *
- *  Performance events:
- *
- *    Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
- *    Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
- *    Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
- *
- *  Data type definitions, declarations, prototypes.
- *
- *    Started by: Thomas Gleixner and Ingo Molnar
- *
- *  For licencing details see kernel-base/COPYING
- */
-#ifndef _LINUX_PERF_COUNTER_H
-#define _LINUX_PERF_COUNTER_H
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <asm/byteorder.h>
-
-/*
- * User-space ABI bits:
- */
-
-/*
- * attr.type
- */
-enum perf_type_id {
-        PERF_TYPE_HARDWARE                      = 0,
-        PERF_TYPE_SOFTWARE                      = 1,
-        PERF_TYPE_TRACEPOINT                    = 2,
-        PERF_TYPE_HW_CACHE                      = 3,
-        PERF_TYPE_RAW                           = 4,
-
-        PERF_TYPE_MAX,                          /* non-ABI */
-};
-
-/*
- * Generalized performance counter event types, used by the
- * attr.event_id parameter of the sys_perf_counter_open()
- * syscall:
- */
-enum perf_hw_id {
-        /*
-         * Common hardware events, generalized by the kernel:
-         */
-        PERF_COUNT_HW_CPU_CYCLES                = 0,
-        PERF_COUNT_HW_INSTRUCTIONS              = 1,
-        PERF_COUNT_HW_CACHE_REFERENCES          = 2,
-        PERF_COUNT_HW_CACHE_MISSES              = 3,
-        PERF_COUNT_HW_BRANCH_INSTRUCTIONS       = 4,
-        PERF_COUNT_HW_BRANCH_MISSES             = 5,
-        PERF_COUNT_HW_BUS_CYCLES                = 6,
-
-        PERF_COUNT_HW_MAX,                      /* non-ABI */
-};
-
-/*
- * Generalized hardware cache counters:
- *
- *       { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x
- *       { read, write, prefetch } x
- *       { accesses, misses }
- */
-enum perf_hw_cache_id {
-        PERF_COUNT_HW_CACHE_L1D                 = 0,
-        PERF_COUNT_HW_CACHE_L1I                 = 1,
-        PERF_COUNT_HW_CACHE_LL                  = 2,
-        PERF_COUNT_HW_CACHE_DTLB                = 3,
-        PERF_COUNT_HW_CACHE_ITLB                = 4,
-        PERF_COUNT_HW_CACHE_BPU                 = 5,
-
-        PERF_COUNT_HW_CACHE_MAX,                /* non-ABI */
-};
-
-enum perf_hw_cache_op_id {
-        PERF_COUNT_HW_CACHE_OP_READ             = 0,
-        PERF_COUNT_HW_CACHE_OP_WRITE            = 1,
-        PERF_COUNT_HW_CACHE_OP_PREFETCH         = 2,
-
-        PERF_COUNT_HW_CACHE_OP_MAX,             /* non-ABI */
-};
-
-enum perf_hw_cache_op_result_id {
-        PERF_COUNT_HW_CACHE_RESULT_ACCESS       = 0,
-        PERF_COUNT_HW_CACHE_RESULT_MISS         = 1,
-
-        PERF_COUNT_HW_CACHE_RESULT_MAX,         /* non-ABI */
-};
-
-/*
- * Special "software" counters provided by the kernel, even if the hardware
- * does not support performance counters. These counters measure various
- * physical and sw events of the kernel (and allow the profiling of them as
- * well):
- */
-enum perf_sw_ids {
-        PERF_COUNT_SW_CPU_CLOCK                 = 0,
-        PERF_COUNT_SW_TASK_CLOCK                = 1,
-        PERF_COUNT_SW_PAGE_FAULTS               = 2,
-        PERF_COUNT_SW_CONTEXT_SWITCHES          = 3,
-        PERF_COUNT_SW_CPU_MIGRATIONS            = 4,
-        PERF_COUNT_SW_PAGE_FAULTS_MIN           = 5,
-        PERF_COUNT_SW_PAGE_FAULTS_MAJ           = 6,
-        PERF_COUNT_SW_ALIGNMENT_FAULTS          = 7,
-        PERF_COUNT_SW_EMULATION_FAULTS          = 8,
-
-        PERF_COUNT_SW_MAX,                      /* non-ABI */
-};
-
-/*
- * Bits that can be set in attr.sample_type to request information
- * in the overflow packets.
- */
-enum perf_counter_sample_format {
-        PERF_SAMPLE_IP                          = 1U << 0,
-        PERF_SAMPLE_TID                         = 1U << 1,
-        PERF_SAMPLE_TIME                        = 1U << 2,
-        PERF_SAMPLE_ADDR                        = 1U << 3,
-        PERF_SAMPLE_READ                        = 1U << 4,
-        PERF_SAMPLE_CALLCHAIN                   = 1U << 5,
-        PERF_SAMPLE_ID                          = 1U << 6,
-        PERF_SAMPLE_CPU                         = 1U << 7,
-        PERF_SAMPLE_PERIOD                      = 1U << 8,
-        PERF_SAMPLE_STREAM_ID                   = 1U << 9,
-        PERF_SAMPLE_RAW                         = 1U << 10,
-
-        PERF_SAMPLE_MAX = 1U << 11,             /* non-ABI */
-};
-
-/*
- * The format of the data returned by read() on a perf counter fd,
- * as specified by attr.read_format:
- *
- * struct read_format {
- *      { u64           value;
- *        { u64         time_enabled; } && PERF_FORMAT_ENABLED
- *        { u64         time_running; } && PERF_FORMAT_RUNNING
- *        { u64         id;           } && PERF_FORMAT_ID
- *      } && !PERF_FORMAT_GROUP
- *
- *      { u64           nr;
- *        { u64         time_enabled; } && PERF_FORMAT_ENABLED
- *        { u64         time_running; } && PERF_FORMAT_RUNNING
- *        { u64         value;
- *          { u64       id;           } && PERF_FORMAT_ID
- *        }             cntr[nr];
- *      } && PERF_FORMAT_GROUP
- * };
- */
-enum perf_counter_read_format {
-        PERF_FORMAT_TOTAL_TIME_ENABLED          = 1U << 0,
-        PERF_FORMAT_TOTAL_TIME_RUNNING          = 1U << 1,
-        PERF_FORMAT_ID                          = 1U << 2,
-        PERF_FORMAT_GROUP                       = 1U << 3,
-
-        PERF_FORMAT_MAX = 1U << 4,              /* non-ABI */
-};
-
-#define PERF_ATTR_SIZE_VER0     64      /* sizeof first published struct */
-
-/*
- * Hardware event to monitor via a performance monitoring counter:
- */
-struct perf_counter_attr {
-
-        /*
-         * Major type: hardware/software/tracepoint/etc.
-         */
-        __u32                   type;
-
-        /*
-         * Size of the attr structure, for fwd/bwd compat.
-         */
-        __u32                   size;
-
-        /*
-         * Type specific configuration information.
-         */
-        __u64                   config;
-
-        union {
-                __u64           sample_period;
-                __u64           sample_freq;
-        };
-
-        __u64                   sample_type;
-        __u64                   read_format;
-
-        __u64                   disabled       :  1, /* off by default        */
-                                inherit        :  1, /* children inherit it   */
-                                pinned         :  1, /* must always be on PMU */
-                                exclusive      :  1, /* only group on PMU     */
-                                exclude_user   :  1, /* don't count user      */
-                                exclude_kernel :  1, /* ditto kernel          */
-                                exclude_hv     :  1, /* ditto hypervisor      */
-                                exclude_idle   :  1, /* don't count when idle */
-                                mmap           :  1, /* include mmap data     */
-                                comm           :  1, /* include comm data     */
-                                freq           :  1, /* use freq, not period  */
-                                inherit_stat   :  1, /* per task counts       */
-                                enable_on_exec :  1, /* next exec enables     */
-                                task           :  1, /* trace fork/exit       */
-                                watermark      :  1, /* wakeup_watermark      */
-
-                                __reserved_1   : 49;
-
-        union {
-                __u32           wakeup_events;    /* wakeup every n events */
-                __u32           wakeup_watermark; /* bytes before wakeup   */
-        };
-        __u32                   __reserved_2;
-
-        __u64                   __reserved_3;
-};
-
-/*
- * Ioctls that can be done on a perf counter fd:
- */
-#define PERF_COUNTER_IOC_ENABLE         _IO ('$', 0)
-#define PERF_COUNTER_IOC_DISABLE        _IO ('$', 1)
-#define PERF_COUNTER_IOC_REFRESH        _IO ('$', 2)
-#define PERF_COUNTER_IOC_RESET          _IO ('$', 3)
-#define PERF_COUNTER_IOC_PERIOD         _IOW('$', 4, u64)
-#define PERF_COUNTER_IOC_SET_OUTPUT     _IO ('$', 5)
-#define PERF_COUNTER_IOC_SET_FILTER     _IOW('$', 6, char *)
-
-enum perf_counter_ioc_flags {
-        PERF_IOC_FLAG_GROUP             = 1U << 0,
-};
-
-/*
- * Structure of the page that can be mapped via mmap
- */
-struct perf_counter_mmap_page {
-        __u32   version;                /* version number of this structure */
-        __u32   compat_version;         /* lowest version this is compat with */
-
-        /*
-         * Bits needed to read the hw counters in user-space.
-         *
-         *   u32 seq;
-         *   s64 count;
-         *
-         *   do {
-         *     seq = pc->lock;
-         *
-         *     barrier()
-         *     if (pc->index) {
-         *       count = pmc_read(pc->index - 1);
-         *       count += pc->offset;
-         *     } else
-         *       goto regular_read;
-         *
-         *     barrier();
-         *   } while (pc->lock != seq);
-         *
-         * NOTE: for obvious reason this only works on self-monitoring
-         *       processes.
-         */
-        __u32   lock;                   /* seqlock for synchronization */
-        __u32   index;                  /* hardware counter identifier */
-        __s64   offset;                 /* add to hardware counter value */
-        __u64   time_enabled;           /* time counter active */
-        __u64   time_running;           /* time counter on cpu */
-
-                /*
-                 * Hole for extension of the self monitor capabilities
-                 */
-
-        __u64   __reserved[123];        /* align to 1k */
-
-        /*
-         * Control data for the mmap() data buffer.
-         *
-         * User-space reading the @data_head value should issue an rmb(), on
-         * SMP capable platforms, after reading this value -- see
-         * perf_counter_wakeup().
-         *
-         * When the mapping is PROT_WRITE the @data_tail value should be
-         * written by userspace to reflect the last read data. In this case
-         * the kernel will not over-write unread data.
-         */
-        __u64   data_head;              /* head in the data section */
-        __u64   data_tail;              /* user-space written tail */
-};
-
-#define PERF_EVENT_MISC_CPUMODE_MASK            (3 << 0)
-#define PERF_EVENT_MISC_CPUMODE_UNKNOWN         (0 << 0)
-#define PERF_EVENT_MISC_KERNEL                  (1 << 0)
-#define PERF_EVENT_MISC_USER                    (2 << 0)
-#define PERF_EVENT_MISC_HYPERVISOR              (3 << 0)
-
-struct perf_event_header {
-        __u32   type;
-        __u16   misc;
-        __u16   size;
-};
-
-enum perf_event_type {
-
-        /*
-         * The MMAP events record the PROT_EXEC mappings so that we can
-         * correlate userspace IPs to code. They have the following structure:
-         *
-         * struct {
-         *      struct perf_event_header        header;
-         *
-         *      u32                             pid, tid;
-         *      u64                             addr;
-         *      u64                             len;
-         *      u64                             pgoff;
-         *      char                            filename[];
-         * };
-         */
-        PERF_EVENT_MMAP                 = 1,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *      u64                             id;
-         *      u64                             lost;
-         * };
-         */
-        PERF_EVENT_LOST                 = 2,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *
-         *      u32                             pid, tid;
-         *      char                            comm[];
-         * };
-         */
-        PERF_EVENT_COMM                 = 3,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *      u32                             pid, ppid;
-         *      u32                             tid, ptid;
-         *      u64                             time;
-         * };
-         */
-        PERF_EVENT_EXIT                 = 4,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *      u64                             time;
-         *      u64                             id;
-         *      u64                             stream_id;
-         * };
-         */
-        PERF_EVENT_THROTTLE             = 5,
-        PERF_EVENT_UNTHROTTLE           = 6,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *      u32                             pid, ppid;
-         *      u32                             tid, ptid;
-         *      u64                             time;
-         * };
-         */
-        PERF_EVENT_FORK                 = 7,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *      u32                             pid, tid;
-         *
-         *      struct read_format              values;
-         * };
-         */
-        PERF_EVENT_READ                 = 8,
-
-        /*
-         * struct {
-         *      struct perf_event_header        header;
-         *
-         *      { u64                   ip;       } && PERF_SAMPLE_IP
-         *      { u32                   pid, tid; } && PERF_SAMPLE_TID
-         *      { u64                   time;     } && PERF_SAMPLE_TIME
-         *      { u64                   addr;     } && PERF_SAMPLE_ADDR
-         *      { u64                   id;       } && PERF_SAMPLE_ID
-         *      { u64                   stream_id;} && PERF_SAMPLE_STREAM_ID
-         *      { u32                   cpu, res; } && PERF_SAMPLE_CPU
-         *      { u64                   period;   } && PERF_SAMPLE_PERIOD
-         *
-         *      { struct read_format    values;   } && PERF_SAMPLE_READ
-         *
-         *      { u64                   nr,
-         *        u64                   ips[nr];  } && PERF_SAMPLE_CALLCHAIN
-         *
-         *      #
-         *      # The RAW record below is opaque data wrt the ABI
-         *      #
-         *      # That is, the ABI doesn't make any promises wrt to
-         *      # the stability of its content, it may vary depending
-         *      # on event, hardware, kernel version and phase of
-         *      # the moon.
-         *      #
-         *      # In other words, PERF_SAMPLE_RAW contents are not an ABI.
-         *      #
-         *
-         *      { u32                   size;
-         *        char                  data[size];}&& PERF_SAMPLE_RAW
-         * };
-         */
-        PERF_EVENT_SAMPLE               = 9,
-
-        PERF_EVENT_MAX,                 /* non-ABI */
-};
-
-enum perf_callchain_context {
-        PERF_CONTEXT_HV                 = (__u64)-32,
-        PERF_CONTEXT_KERNEL             = (__u64)-128,
-        PERF_CONTEXT_USER               = (__u64)-512,
-
-        PERF_CONTEXT_GUEST              = (__u64)-2048,
-        PERF_CONTEXT_GUEST_KERNEL       = (__u64)-2176,
-        PERF_CONTEXT_GUEST_USER         = (__u64)-2560,
-
-        PERF_CONTEXT_MAX                = (__u64)-4095,
-};
-
-#define PERF_FLAG_FD_NO_GROUP           (1U << 0)
-#define PERF_FLAG_FD_OUTPUT             (1U << 1)
-
-/*
- * In case some app still references the old symbols:
- */
-
-#define __NR_perf_counter_open          __NR_perf_event_open
-
-#define PR_TASK_PERF_COUNTERS_DISABLE   PR_TASK_PERF_EVENTS_DISABLE
-#define PR_TASK_PERF_COUNTERS_ENABLE    PR_TASK_PERF_EVENTS_ENABLE
-
-#endif /* _LINUX_PERF_COUNTER_H */
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 7a9754c96775..01b3d759f1fc 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -10,7 +10,7 @@ struct platform_pwm_backlight_data {
         unsigned int dft_brightness;
         unsigned int pwm_period_ns;
         int (*init)(struct device *dev);
-        int (*notify)(int brightness);
+        int (*notify)(struct device *dev, int brightness);
         void (*exit)(struct device *dev);
 };
 
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index c4ba9a78721e..96cc307ed9f4 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -101,4 +101,9 @@ static inline void exit_rcu(void)
 {
 }
 
+static inline int rcu_preempt_depth(void)
+{
+        return 0;
+}
+
 #endif /* __LINUX_RCUTINY_H */
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index c93eee5911b0..8044b1b94333 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -45,6 +45,12 @@ extern void __rcu_read_unlock(void);
 extern void synchronize_rcu(void);
 extern void exit_rcu(void);
 
+/*
+ * Defined as macro as it is a very low level header
+ * included from areas that don't even know about current
+ */
+#define rcu_preempt_depth() (current->rcu_read_lock_nesting)
+
 #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */
 
 static inline void __rcu_read_lock(void)
@@ -63,6 +69,11 @@ static inline void exit_rcu(void)
 {
 }
 
+static inline int rcu_preempt_depth(void)
+{
+        return 0;
+}
+
 #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */
 
 static inline void __rcu_read_lock_bh(void)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 244c287a5ac1..f2f842db03ce 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -192,6 +192,12 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
 #define TASK_DEAD               64
 #define TASK_WAKEKILL           128
 #define TASK_WAKING             256
+#define TASK_STATE_MAX          512
+
+#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW"
+
+extern char ___assert_task_state[1 - 2*!!(
+                sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)];
 
 /* Convenience macros for the sake of set_task_state */
 #define TASK_KILLABLE           (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
@@ -1091,7 +1097,8 @@ struct sched_class {
                               enum cpu_idle_type idle);
         void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
         void (*post_schedule) (struct rq *this_rq);
-        void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
+        void (*task_waking) (struct rq *this_rq, struct task_struct *task);
+        void (*task_woken) (struct rq *this_rq, struct task_struct *task);
 
         void (*set_cpus_allowed)(struct task_struct *p,
                                  const struct cpumask *newmask);
@@ -1115,7 +1122,7 @@ struct sched_class {
                                          struct task_struct *task);
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
-        void (*moved_group) (struct task_struct *p);
+        void (*moved_group) (struct task_struct *p, int on_rq);
 #endif
 };
 
@@ -1446,10 +1453,8 @@ struct task_struct {
         gfp_t lockdep_reclaim_gfp;
 #endif
 
-#ifdef CONFIG_FS_JOURNAL_INFO
 /* journalling filesystem info */
         void *journal_info;
-#endif
 
 /* stacked block device info */
         struct bio *bio_list, **bio_tail;
@@ -1555,7 +1560,7 @@ struct task_struct {
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */
-#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed)
+#define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
 
 /*
  * Priority of a process goes from 0..MAX_PRIO-1, valid RT
@@ -2596,8 +2601,6 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
 }
 #endif /* CONFIG_MM_OWNER */
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
-
 #endif /* __KERNEL__ */
 
 #endif
diff --git a/include/linux/security.h b/include/linux/security.h
index 466cbadbd1ef..2c627d361c02 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -95,8 +95,13 @@ struct seq_file;
 extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
 extern int cap_netlink_recv(struct sk_buff *skb, int cap);
 
+#ifdef CONFIG_MMU
 extern unsigned long mmap_min_addr;
 extern unsigned long dac_mmap_min_addr;
+#else
+#define dac_mmap_min_addr       0UL
+#endif
+
 /*
  * Values used in the task_security_ops calls
  */
@@ -121,6 +126,7 @@ struct request_sock;
 #define LSM_UNSAFE_PTRACE       2
 #define LSM_UNSAFE_PTRACE_CAP   4
 
+#ifdef CONFIG_MMU
 /*
  * If a hint addr is less than mmap_min_addr change hint to be as
  * low as possible but still greater than mmap_min_addr
@@ -135,6 +141,7 @@ static inline unsigned long round_hint_to_min(unsigned long hint)
 }
 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
                                  void __user *buffer, size_t *lenp, loff_t *ppos);
+#endif
 
 #ifdef CONFIG_SECURITY
 
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
new file mode 100644
index 000000000000..51b3e771a9a3
--- /dev/null
+++ b/include/linux/spi/dw_spi.h
@@ -0,0 +1,212 @@
+#ifndef DW_SPI_HEADER_H
+#define DW_SPI_HEADER_H
+#include <linux/io.h>
+
+/* Bit fields in CTRLR0 */
+#define SPI_DFS_OFFSET                  0
+
+#define SPI_FRF_OFFSET                  4
+#define SPI_FRF_SPI                     0x0
+#define SPI_FRF_SSP                     0x1
+#define SPI_FRF_MICROWIRE               0x2
+#define SPI_FRF_RESV                    0x3
+
+#define SPI_MODE_OFFSET                 6
+#define SPI_SCPH_OFFSET                 6
+#define SPI_SCOL_OFFSET                 7
+#define SPI_TMOD_OFFSET                 8
+#define SPI_TMOD_TR                     0x0             /* xmit & recv */
+#define SPI_TMOD_TO                     0x1             /* xmit only */
+#define SPI_TMOD_RO                     0x2             /* recv only */
+#define SPI_TMOD_EPROMREAD              0x3             /* eeprom read mode */
+
+#define SPI_SLVOE_OFFSET                10
+#define SPI_SRL_OFFSET                  11
+#define SPI_CFS_OFFSET                  12
+
+/* Bit fields in SR, 7 bits */
+#define SR_MASK                         0x7f            /* cover 7 bits */
+#define SR_BUSY                         (1 << 0)
+#define SR_TF_NOT_FULL                  (1 << 1)
+#define SR_TF_EMPT                      (1 << 2)
+#define SR_RF_NOT_EMPT                  (1 << 3)
+#define SR_RF_FULL                      (1 << 4)
+#define SR_TX_ERR                       (1 << 5)
+#define SR_DCOL                         (1 << 6)
+
+/* Bit fields in ISR, IMR, RISR, 7 bits */
+#define SPI_INT_TXEI                    (1 << 0)
+#define SPI_INT_TXOI                    (1 << 1)
+#define SPI_INT_RXUI                    (1 << 2)
+#define SPI_INT_RXOI                    (1 << 3)
+#define SPI_INT_RXFI                    (1 << 4)
+#define SPI_INT_MSTI                    (1 << 5)
+
+/* TX RX interrupt level threshhold, max can be 256 */
+#define SPI_INT_THRESHOLD               32
+
+enum dw_ssi_type {
+        SSI_MOTO_SPI = 0,
+        SSI_TI_SSP,
+        SSI_NS_MICROWIRE,
+};
+
+struct dw_spi_reg {
+        u32     ctrl0;
+        u32     ctrl1;
+        u32     ssienr;
+        u32     mwcr;
+        u32     ser;
+        u32     baudr;
+        u32     txfltr;
+        u32     rxfltr;
+        u32     txflr;
+        u32     rxflr;
+        u32     sr;
+        u32     imr;
+        u32     isr;
+        u32     risr;
+        u32     txoicr;
+        u32     rxoicr;
+        u32     rxuicr;
+        u32     msticr;
+        u32     icr;
+        u32     dmacr;
+        u32     dmatdlr;
+        u32     dmardlr;
+        u32     idr;
+        u32     version;
+        u32     dr;             /* Currently oper as 32 bits,
+                                though only low 16 bits matters */
+} __packed;
+
+struct dw_spi {
+        struct spi_master       *master;
+        struct spi_device       *cur_dev;
+        struct device           *parent_dev;
+        enum dw_ssi_type        type;
+
+        void __iomem            *regs;
+        unsigned long           paddr;
+        u32                     iolen;
+        int                     irq;
+        u32                     max_freq;       /* max bus freq supported */
+
+        u16                     bus_num;
+        u16                     num_cs;         /* supported slave numbers */
+
+        /* Driver message queue */
+        struct workqueue_struct *workqueue;
+        struct work_struct      pump_messages;
+        spinlock_t              lock;
+        struct list_head        queue;
+        int                     busy;
+        int                     run;
+
+        /* Message Transfer pump */
+        struct tasklet_struct   pump_transfers;
+
+        /* Current message transfer state info */
+        struct spi_message      *cur_msg;
+        struct spi_transfer     *cur_transfer;
+        struct chip_data        *cur_chip;
+        struct chip_data        *prev_chip;
+        size_t                  len;
+        void                    *tx;
+        void                    *tx_end;
+        void                    *rx;
+        void                    *rx_end;
+        int                     dma_mapped;
+        dma_addr_t              rx_dma;
+        dma_addr_t              tx_dma;
+        size_t                  rx_map_len;
+        size_t                  tx_map_len;
+        u8                      n_bytes;        /* current is a 1/2 bytes op */
+        u8                      max_bits_per_word;      /* maxim is 16b */
+        u32                     dma_width;
+        int                     cs_change;
+        int                     (*write)(struct dw_spi *dws);
+        int                     (*read)(struct dw_spi *dws);
+        irqreturn_t             (*transfer_handler)(struct dw_spi *dws);
+        void                    (*cs_control)(u32 command);
+
+        /* Dma info */
+        int                     dma_inited;
+        struct dma_chan         *txchan;
+        struct dma_chan         *rxchan;
+        int                     txdma_done;
+        int                     rxdma_done;
+        u64                     tx_param;
+        u64                     rx_param;
+        struct device           *dma_dev;
+        dma_addr_t              dma_addr;
+
+        /* Bus interface info */
+        void                    *priv;
+#ifdef CONFIG_DEBUG_FS
+        struct dentry *debugfs;
+#endif
+};
+
+#define dw_readl(dw, name) \
+        __raw_readl(&(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_writel(dw, name, val) \
+        __raw_writel((val), &(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_readw(dw, name) \
+        __raw_readw(&(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_writew(dw, name, val) \
+        __raw_writew((val), &(((struct dw_spi_reg *)dw->regs)->name))
+
+static inline void spi_enable_chip(struct dw_spi *dws, int enable)
+{
+        dw_writel(dws, ssienr, (enable ? 1 : 0));
+}
+
+static inline void spi_set_clk(struct dw_spi *dws, u16 div)
+{
+        dw_writel(dws, baudr, div);
+}
+
+static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
+{
+        if (cs > dws->num_cs)
+                return;
+        dw_writel(dws, ser, 1 << cs);
+}
+
+/* Disable IRQ bits */
+static inline void spi_mask_intr(struct dw_spi *dws, u32 mask)
+{
+        u32 new_mask;
+
+        new_mask = dw_readl(dws, imr) & ~mask;
+        dw_writel(dws, imr, new_mask);
+}
+
+/* Enable IRQ bits */
+static inline void spi_umask_intr(struct dw_spi *dws, u32 mask)
+{
+        u32 new_mask;
+
+        new_mask = dw_readl(dws, imr) | mask;
+        dw_writel(dws, imr, new_mask);
+}
+
+/*
+ * Each SPI slave device to work with dw_api controller should
+ * has such a structure claiming its working mode (PIO/DMA etc),
+ * which can be save in the "controller_data" member of the
+ * struct spi_device
+ */
+struct dw_spi_chip {
+        u8 poll_mode;   /* 0 for contoller polling mode */
+        u8 type;        /* SPI/SSP/Micrwire */
+        u8 enable_dma;
+        void (*cs_control)(u32 command);
+};
+
+extern int dw_spi_add_host(struct dw_spi *dws);
+extern void dw_spi_remove_host(struct dw_spi *dws);
+extern int dw_spi_suspend_host(struct dw_spi *dws);
+extern int dw_spi_resume_host(struct dw_spi *dws);
+#endif /* DW_SPI_HEADER_H */
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 3fb9944e50a6..d5dd0bc408fd 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -84,6 +84,8 @@ struct vt_setactivate {
 
 #define VT_SETACTIVATE  0x560F  /* Activate and set the mode of a console */
 
+#ifdef __KERNEL__
+
 #ifdef CONFIG_VT_CONSOLE
 
 extern int vt_kmsg_redirect(int new);
@@ -97,6 +99,8 @@ static inline int vt_kmsg_redirect(int new)
 
 #endif
 
+#endif /* __KERNEL__ */
+
 #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
 
 #endif /* _LINUX_VT_H */
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7394e3bc8f4b..ff92b46f5153 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -28,6 +28,7 @@
 #include <linux/mutex.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
+#include <linux/kfifo.h>
 #include <scsi/iscsi_proto.h>
 #include <scsi/iscsi_if.h>
 #include <scsi/scsi_transport_iscsi.h>
@@ -231,7 +232,7 @@ struct iscsi_conn {
 };
 
 struct iscsi_pool {
-        struct kfifo            *queue;         /* FIFO Queue */
+        struct kfifo            queue;          /* FIFO Queue */
         void                    **pool;         /* Pool of elements */
         int                     max;            /* Max number of elements */
 };
diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h
index 9e3182e659db..741ae7ed4394 100644
--- a/include/scsi/libiscsi_tcp.h
+++ b/include/scsi/libiscsi_tcp.h
@@ -80,7 +80,7 @@ struct iscsi_tcp_task {
         int                     data_offset;
         struct iscsi_r2t_info   *r2t;           /* in progress solict R2T */
         struct iscsi_pool       r2tpool;
-        struct kfifo            *r2tqueue;
+        struct kfifo            r2tqueue;
         void                    *dd_data;
 };
 
diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h
index ba615e4c1d7c..07e3adde21d9 100644
--- a/include/scsi/libsrp.h
+++ b/include/scsi/libsrp.h
@@ -21,7 +21,7 @@ struct srp_buf {
 struct srp_queue {
         void *pool;
         void *items;
-        struct kfifo *queue;
+        struct kfifo queue;
         spinlock_t lock;
 };
 
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index 39d6d1097153..a8f370126632 100644
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -142,6 +142,7 @@ struct osd_request {
         struct _osd_io_info {
                 struct bio *bio;
                 u64 total_bytes;
+                u64 residual;
                 struct request *req;
                 struct _osd_req_data_segment *last_seg;
                 u8 *pad_buff;
@@ -150,12 +151,14 @@ struct osd_request {
         gfp_t alloc_flags;
         unsigned timeout;
         unsigned retries;
+        unsigned sense_len;
         u8 sense[OSD_MAX_SENSE_LEN];
         enum osd_attributes_mode attributes_mode;
 
         osd_req_done_fn *async_done;
         void *async_private;
         int async_error;
+        int req_errors;
 };
 
 static inline bool osd_req_is_ver1(struct osd_request *or)
@@ -297,8 +300,6 @@ enum osd_err_priority {
 };
 
 struct osd_sense_info {
-        u64 out_resid;          /* Zero on success otherwise out residual */
-        u64 in_resid;           /* Zero on success otherwise in residual */
         enum osd_err_priority osd_err_pri;
 
         int key;                /* one of enum scsi_sense_keys */