91 files changed, 1531 insertions, 544 deletions

diff --git a/include/linux/8250_pci.h b/include/linux/8250_pci.h
index 3209dd46ea7d..b24ff086a662 100644
--- a/include/linux/8250_pci.h
+++ b/include/linux/8250_pci.h
@@ -31,7 +31,7 @@ struct pciserial_board {
 struct serial_private;
 
 struct serial_private *
-pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board);
+pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board);
 void pciserial_remove_ports(struct serial_private *priv);
 void pciserial_suspend_ports(struct serial_private *priv);
 void pciserial_resume_ports(struct serial_private *priv);
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index e531783e5d78..95ac82340c3b 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -313,6 +313,7 @@ unifdef-y += ptrace.h
 unifdef-y += qnx4_fs.h
 unifdef-y += quota.h
 unifdef-y += random.h
+unifdef-y += irqnr.h
 unifdef-y += reboot.h
 unifdef-y += reiserfs_fs.h
 unifdef-y += reiserfs_xattr.h
diff --git a/include/linux/aio.h b/include/linux/aio.h
index f6b8cf99b596..b16a957030f8 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -5,6 +5,7 @@
 #include <linux/workqueue.h>
 #include <linux/aio_abi.h>
 #include <linux/uio.h>
+#include <linux/rcupdate.h>
 
 #include <asm/atomic.h>
 
@@ -183,7 +184,7 @@ struct kioctx {
 
         /* This needs improving */
         unsigned long           user_id;
-        struct kioctx           *next;
+        struct hlist_node       list;
 
         wait_queue_head_t       wait;
 
@@ -199,6 +200,8 @@ struct kioctx {
         struct aio_ring_info    ring_info;
 
         struct delayed_work     wq;
+
+        struct rcu_head         rcu_head;
 };
 
 /* prototypes */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 6a642098e5c3..18462c5b8fff 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -90,10 +90,11 @@ struct bio {
 
         unsigned int            bi_comp_cpu;    /* completion CPU */
 
+        atomic_t                bi_cnt;         /* pin count */
+
         struct bio_vec          *bi_io_vec;     /* the actual vec list */
 
         bio_end_io_t            *bi_end_io;
-        atomic_t                bi_cnt;         /* pin count */
 
         void                    *bi_private;
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
@@ -101,6 +102,13 @@ struct bio {
 #endif
 
         bio_destructor_t        *bi_destructor; /* destructor */
+
+        /*
+         * We can inline a number of vecs at the end of the bio, to avoid
+         * double allocations for a small number of bio_vecs. This member
+         * MUST obviously be kept at the very end of the bio.
+         */
+        struct bio_vec          bi_inline_vecs[0];
 };
 
 /*
@@ -117,6 +125,7 @@ struct bio {
 #define BIO_CPU_AFFINE  8       /* complete bio on same CPU as submitted */
 #define BIO_NULL_MAPPED 9       /* contains invalid user pages */
 #define BIO_FS_INTEGRITY 10     /* fs owns integrity data, not block layer */
+#define BIO_QUIET       11      /* Make BIO Quiet */
 #define bio_flagged(bio, flag)  ((bio)->bi_flags & (1 << (flag)))
 
 /*
@@ -211,6 +220,11 @@ static inline void *bio_data(struct bio *bio)
         return NULL;
 }
 
+static inline int bio_has_allocated_vec(struct bio *bio)
+{
+        return bio->bi_io_vec && bio->bi_io_vec != bio->bi_inline_vecs;
+}
+
 /*
  * will die
  */
@@ -332,7 +346,7 @@ struct bio_pair {
 extern struct bio_pair *bio_split(struct bio *bi, int first_sectors);
 extern void bio_pair_release(struct bio_pair *dbio);
 
-extern struct bio_set *bioset_create(int, int);
+extern struct bio_set *bioset_create(unsigned int, unsigned int);
 extern void bioset_free(struct bio_set *);
 
 extern struct bio *bio_alloc(gfp_t, int);
@@ -377,6 +391,7 @@ extern struct bio *bio_copy_user_iov(struct request_queue *,
 extern int bio_uncopy_user(struct bio *);
 void zero_fill_bio(struct bio *bio);
 extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *);
+extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int);
 extern unsigned int bvec_nr_vecs(unsigned short idx);
 
 /*
@@ -395,13 +410,17 @@ static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
  */
 #define BIO_POOL_SIZE 2
 #define BIOVEC_NR_POOLS 6
+#define BIOVEC_MAX_IDX  (BIOVEC_NR_POOLS - 1)
 
 struct bio_set {
+        struct kmem_cache *bio_slab;
+        unsigned int front_pad;
+
         mempool_t *bio_pool;
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
         mempool_t *bio_integrity_pool;
 #endif
-        mempool_t *bvec_pools[BIOVEC_NR_POOLS];
+        mempool_t *bvec_pool;
 };
 
 struct biovec_slab {
@@ -411,6 +430,7 @@ struct biovec_slab {
 };
 
 extern struct bio_set *fs_bio_set;
+extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
 
 /*
  * a small number of entries is fine, not going to be performance critical.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 031a315c0509..7035cec583b6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -26,7 +26,6 @@ struct scsi_ioctl_command;
 
 struct request_queue;
 struct elevator_queue;
-typedef struct elevator_queue elevator_t;
 struct request_pm_state;
 struct blk_trace;
 struct request;
@@ -313,7 +312,7 @@ struct request_queue
          */
         struct list_head        queue_head;
         struct request          *last_merge;
-        elevator_t              *elevator;
+        struct elevator_queue   *elevator;
 
         /*
          * the queue request freelist, one for reads and one for writes
@@ -449,6 +448,7 @@ struct request_queue
 #define QUEUE_FLAG_FAIL_IO     12       /* fake timeout */
 #define QUEUE_FLAG_STACKABLE   13       /* supports request stacking */
 #define QUEUE_FLAG_NONROT      14       /* non-rotational device (SSD) */
+#define QUEUE_FLAG_VIRT        QUEUE_FLAG_NONROT /* paravirt device */
 
 static inline int queue_is_locked(struct request_queue *q)
 {
@@ -522,22 +522,32 @@ enum {
          * TAG_FLUSH    : ordering by tag w/ pre and post flushes
          * TAG_FUA      : ordering by tag w/ pre flush and FUA write
          */
-        QUEUE_ORDERED_NONE      = 0x00,
-        QUEUE_ORDERED_DRAIN     = 0x01,
-        QUEUE_ORDERED_TAG       = 0x02,
-
-        QUEUE_ORDERED_PREFLUSH  = 0x10,
-        QUEUE_ORDERED_POSTFLUSH = 0x20,
-        QUEUE_ORDERED_FUA       = 0x40,
-
-        QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN |
-                        QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
-        QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN |
-                        QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
-        QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG |
-                        QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
-        QUEUE_ORDERED_TAG_FUA   = QUEUE_ORDERED_TAG |
-                        QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
+        QUEUE_ORDERED_BY_DRAIN          = 0x01,
+        QUEUE_ORDERED_BY_TAG            = 0x02,
+        QUEUE_ORDERED_DO_PREFLUSH       = 0x10,
+        QUEUE_ORDERED_DO_BAR            = 0x20,
+        QUEUE_ORDERED_DO_POSTFLUSH      = 0x40,
+        QUEUE_ORDERED_DO_FUA            = 0x80,
+
+        QUEUE_ORDERED_NONE              = 0x00,
+
+        QUEUE_ORDERED_DRAIN             = QUEUE_ORDERED_BY_DRAIN |
+                                          QUEUE_ORDERED_DO_BAR,
+        QUEUE_ORDERED_DRAIN_FLUSH       = QUEUE_ORDERED_DRAIN |
+                                          QUEUE_ORDERED_DO_PREFLUSH |
+                                          QUEUE_ORDERED_DO_POSTFLUSH,
+        QUEUE_ORDERED_DRAIN_FUA         = QUEUE_ORDERED_DRAIN |
+                                          QUEUE_ORDERED_DO_PREFLUSH |
+                                          QUEUE_ORDERED_DO_FUA,
+
+        QUEUE_ORDERED_TAG               = QUEUE_ORDERED_BY_TAG |
+                                          QUEUE_ORDERED_DO_BAR,
+        QUEUE_ORDERED_TAG_FLUSH         = QUEUE_ORDERED_TAG |
+                                          QUEUE_ORDERED_DO_PREFLUSH |
+                                          QUEUE_ORDERED_DO_POSTFLUSH,
+        QUEUE_ORDERED_TAG_FUA           = QUEUE_ORDERED_TAG |
+                                          QUEUE_ORDERED_DO_PREFLUSH |
+                                          QUEUE_ORDERED_DO_FUA,
 
         /*
          * Ordered operation sequence
@@ -585,7 +595,6 @@ enum {
 #define blk_fua_rq(rq)          ((rq)->cmd_flags & REQ_FUA)
 #define blk_discard_rq(rq)      ((rq)->cmd_flags & REQ_DISCARD)
 #define blk_bidi_rq(rq)         ((rq)->next_rq != NULL)
-#define blk_empty_barrier(rq)   (blk_barrier_rq(rq) && blk_fs_request(rq) && !(rq)->hard_nr_sectors)
 /* rq->queuelist of dequeued request must be list_empty() */
 #define blk_queued_rq(rq)       (!list_empty(&(rq)->queuelist))
 
@@ -855,10 +864,10 @@ extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
 extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
 extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
 extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *);
-extern int blk_do_ordered(struct request_queue *, struct request **);
+extern bool blk_do_ordered(struct request_queue *, struct request **);
 extern unsigned blk_ordered_cur_seq(struct request_queue *);
 extern unsigned blk_ordered_req_seq(struct request *);
-extern void blk_ordered_complete_seq(struct request_queue *, unsigned, int);
+extern bool blk_ordered_complete_seq(struct request_queue *, unsigned, int);
 
 extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
 extern void blk_dump_rq_flags(struct request *, char *);
@@ -977,7 +986,6 @@ static inline void put_dev_sector(Sector p)
 
 struct work_struct;
 int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
-void kblockd_flush_work(struct work_struct *work);
 
 #define MODULE_ALIAS_BLOCKDEV(major,minor) \
         MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h
index 777dbf695d44..27b1bcffe408 100644
--- a/include/linux/bottom_half.h
+++ b/include/linux/bottom_half.h
@@ -2,7 +2,6 @@
 #define _LINUX_BH_H
 
 extern void local_bh_disable(void);
-extern void __local_bh_enable(void);
 extern void _local_bh_enable(void);
 extern void local_bh_enable(void);
 extern void local_bh_enable_ip(unsigned long ip);
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 3ce64b90118c..8605f8a74df9 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -35,6 +35,7 @@ enum bh_state_bits {
         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 */
 
         BH_PrivateStart,/* not a state bit, but the first bit available
                          * for private allocation by other entities
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index ed3a5d473e52..cea153697ec7 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -82,13 +82,13 @@ struct clock_event_device {
         int                     shift;
         int                     rating;
         int                     irq;
-        cpumask_t               cpumask;
+        const struct cpumask    *cpumask;
         int                     (*set_next_event)(unsigned long evt,
                                                   struct clock_event_device *);
         void                    (*set_mode)(enum clock_event_mode mode,
                                             struct clock_event_device *);
         void                    (*event_handler)(struct clock_event_device *);
-        void                    (*broadcast)(cpumask_t mask);
+        void                    (*broadcast)(const struct cpumask *mask);
         struct list_head        list;
         enum clock_event_mode   mode;
         ktime_t                 next_event;
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 5c8351b859f0..af40f8eb86f0 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -61,3 +61,8 @@
 #define  noinline                       __attribute__((noinline))
 #define __attribute_const__             __attribute__((__const__))
 #define __maybe_unused                  __attribute__((unused))
+
+#define __gcc_header(x) #x
+#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
+#define gcc_header(x) _gcc_header(x)
+#include gcc_header(__GNUC__)
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index e5eb795f78a1..2befe6513ce4 100644
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -2,9 +2,6 @@
 #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
 #endif
 
-/* These definitions are for GCC v3.x.  */
-#include <linux/compiler-gcc.h>
-
 #if __GNUC_MINOR__ >= 3
 # define __used                 __attribute__((__used__))
 #else
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 974f5b7bb205..09992718f9e8 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -2,8 +2,10 @@
 #error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
 #endif
 
-/* These definitions are for GCC v4.x.  */
-#include <linux/compiler-gcc.h>
+/* GCC 4.1.[01] miscompiles __weak */
+#if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
+# error Your version of gcc miscompiles the __weak directive
+#endif
 
 #define __used                  __attribute__((__used__))
 #define __must_check            __attribute__((warn_unused_result))
@@ -16,7 +18,7 @@
  */
 #define uninitialized_var(x) x = x
 
-#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 3)
+#if __GNUC_MINOR__ >= 3
 /* Mark functions as cold. gcc will assume any path leading to a call
    to them will be unlikely.  This means a lot of manual unlikely()s
    are unnecessary now for any paths leading to the usual suspects
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index ea7c6be354b7..d95da1020f1c 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -36,12 +36,8 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 
 #ifdef __KERNEL__
 
-#if __GNUC__ >= 4
-# include <linux/compiler-gcc4.h>
-#elif __GNUC__ == 3 && __GNUC_MINOR__ >= 2
-# include <linux/compiler-gcc3.h>
-#else
-# error Sorry, your compiler is too old/not recognized.
+#ifdef __GNUC__
+#include <linux/compiler-gcc.h>
 #endif
 
 #define notrace __attribute__((no_instrument_function))
diff --git a/include/linux/console.h b/include/linux/console.h
index 248e6e3b9b73..a67a90cf8268 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -153,4 +153,8 @@ void vcs_remove_sysfs(struct tty_struct *tty);
 #define VESA_HSYNC_SUSPEND      2
 #define VESA_POWERDOWN          3
 
+#ifdef CONFIG_VGA_CONSOLE
+extern bool vgacon_text_force(void);
+#endif
+
 #endif /* _LINUX_CONSOLE_H */
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 21e1dd43e52a..d4bf52603e6b 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -339,36 +339,6 @@ extern cpumask_t cpu_mask_all;
 #endif
 #define CPUMASK_PTR(v, m)       cpumask_t *v = &(m->v)
 
-#define cpumask_scnprintf(buf, len, src) \
-                        __cpumask_scnprintf((buf), (len), &(src), NR_CPUS)
-static inline int __cpumask_scnprintf(char *buf, int len,
-                                        const cpumask_t *srcp, int nbits)
-{
-        return bitmap_scnprintf(buf, len, srcp->bits, nbits);
-}
-
-#define cpumask_parse_user(ubuf, ulen, dst) \
-                        __cpumask_parse_user((ubuf), (ulen), &(dst), NR_CPUS)
-static inline int __cpumask_parse_user(const char __user *buf, int len,
-                                        cpumask_t *dstp, int nbits)
-{
-        return bitmap_parse_user(buf, len, dstp->bits, nbits);
-}
-
-#define cpulist_scnprintf(buf, len, src) \
-                        __cpulist_scnprintf((buf), (len), &(src), NR_CPUS)
-static inline int __cpulist_scnprintf(char *buf, int len,
-                                        const cpumask_t *srcp, int nbits)
-{
-        return bitmap_scnlistprintf(buf, len, srcp->bits, nbits);
-}
-
-#define cpulist_parse(buf, dst) __cpulist_parse((buf), &(dst), NR_CPUS)
-static inline int __cpulist_parse(const char *buf, cpumask_t *dstp, int nbits)
-{
-        return bitmap_parselist(buf, dstp->bits, nbits);
-}
-
 #define cpu_remap(oldbit, old, new) \
                 __cpu_remap((oldbit), &(old), &(new), NR_CPUS)
 static inline int __cpu_remap(int oldbit,
@@ -540,9 +510,6 @@ extern cpumask_t cpu_active_map;
         [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
 }
 
-/* This produces more efficient code. */
-#define nr_cpumask_bits NR_CPUS
-
 #else /* NR_CPUS > BITS_PER_LONG */
 
 #define CPU_BITS_ALL                                            \
@@ -550,9 +517,15 @@ extern cpumask_t cpu_active_map;
         [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL,                \
         [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD         \
 }
+#endif /* NR_CPUS > BITS_PER_LONG */
 
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* Assuming NR_CPUS is huge, a runtime limit is more efficient.  Also,
+ * not all bits may be allocated. */
 #define nr_cpumask_bits nr_cpu_ids
-#endif /* NR_CPUS > BITS_PER_LONG */
+#else
+#define nr_cpumask_bits NR_CPUS
+#endif
 
 /* verify cpu argument to cpumask_* operators */
 static inline unsigned int cpumask_check(unsigned int cpu)
@@ -946,6 +919,63 @@ static inline void cpumask_copy(struct cpumask *dstp,
 #define cpumask_of(cpu) (get_cpu_mask(cpu))
 
 /**
+ * cpumask_scnprintf - print a cpumask into a string as comma-separated hex
+ * @buf: the buffer to sprintf into
+ * @len: the length of the buffer
+ * @srcp: the cpumask to print
+ *
+ * If len is zero, returns zero.  Otherwise returns the length of the
+ * (nul-terminated) @buf string.
+ */
+static inline int cpumask_scnprintf(char *buf, int len,
+                                    const struct cpumask *srcp)
+{
+        return bitmap_scnprintf(buf, len, srcp->bits, nr_cpumask_bits);
+}
+
+/**
+ * cpumask_parse_user - extract a cpumask from a user string
+ * @buf: the buffer to extract from
+ * @len: the length of the buffer
+ * @dstp: the cpumask to set.
+ *
+ * Returns -errno, or 0 for success.
+ */
+static inline int cpumask_parse_user(const char __user *buf, int len,
+                                     struct cpumask *dstp)
+{
+        return bitmap_parse_user(buf, len, dstp->bits, nr_cpumask_bits);
+}
+
+/**
+ * cpulist_scnprintf - print a cpumask into a string as comma-separated list
+ * @buf: the buffer to sprintf into
+ * @len: the length of the buffer
+ * @srcp: the cpumask to print
+ *
+ * If len is zero, returns zero.  Otherwise returns the length of the
+ * (nul-terminated) @buf string.
+ */
+static inline int cpulist_scnprintf(char *buf, int len,
+                                    const struct cpumask *srcp)
+{
+        return bitmap_scnlistprintf(buf, len, srcp->bits, nr_cpumask_bits);
+}
+
+/**
+ * cpulist_parse_user - extract a cpumask from a user string of ranges
+ * @buf: the buffer to extract from
+ * @len: the length of the buffer
+ * @dstp: the cpumask to set.
+ *
+ * Returns -errno, or 0 for success.
+ */
+static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
+{
+        return bitmap_parselist(buf, dstp->bits, nr_cpumask_bits);
+}
+
+/**
  * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
  * @bitmap: the bitmap
  *
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index a37359d0bad1..c66d22487bf8 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -75,14 +75,22 @@ full_name_hash(const unsigned char *name, unsigned int len)
         return end_name_hash(hash);
 }
 
-struct dcookie_struct;
-
-#define DNAME_INLINE_LEN_MIN 36
+/*
+ * Try to keep struct dentry aligned on 64 byte cachelines (this will
+ * give reasonable cacheline footprint with larger lines without the
+ * large memory footprint increase).
+ */
+#ifdef CONFIG_64BIT
+#define DNAME_INLINE_LEN_MIN 32 /* 192 bytes */
+#else
+#define DNAME_INLINE_LEN_MIN 40 /* 128 bytes */
+#endif
 
 struct dentry {
         atomic_t d_count;
         unsigned int d_flags;           /* protected by d_lock */
         spinlock_t d_lock;              /* per dentry lock */
+        int d_mounted;
         struct inode *d_inode;          /* Where the name belongs to - NULL is
                                          * negative */
         /*
@@ -107,10 +115,7 @@ struct dentry {
         struct dentry_operations *d_op;
         struct super_block *d_sb;       /* The root of the dentry tree */
         void *d_fsdata;                 /* fs-specific data */
-#ifdef CONFIG_PROFILING
-        struct dcookie_struct *d_cookie; /* cookie, if any */
-#endif
-        int d_mounted;
+
         unsigned char d_iname[DNAME_INLINE_LEN_MIN];    /* small names */
 };
 
@@ -177,6 +182,8 @@ d_iput:		no		no		no       yes
 
 #define DCACHE_INOTIFY_PARENT_WATCHED   0x0020 /* Parent inode is watched */
 
+#define DCACHE_COOKIE           0x0040  /* For use by dcookie subsystem */
+
 extern spinlock_t dcache_lock;
 extern seqlock_t rename_lock;
 
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 4aaa4afb1cb9..096476f1fb35 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -17,7 +17,7 @@ extern int debug_locks_off(void);
 ({                                                                      \
         int __ret = 0;                                                  \
                                                                         \
-        if (unlikely(c)) {                                              \
+        if (!oops_in_progress && unlikely(c)) {                         \
                 if (debug_locks_off() && !debug_locks_silent)           \
                         WARN_ON(1);                                     \
                 __ret = 1;                                              \
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 2bfda178f274..34161907b2f8 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -47,6 +47,7 @@ extern int dmi_name_in_vendors(const char *str);
 extern int dmi_name_in_serial(const char *str);
 extern int dmi_available;
 extern int dmi_walk(void (*decode)(const struct dmi_header *));
+extern bool dmi_match(enum dmi_field f, const char *str);
 
 #else
 
@@ -61,6 +62,8 @@ static inline int dmi_name_in_serial(const char *s) { return 0; }
 #define dmi_available 0
 static inline int dmi_walk(void (*decode)(const struct dmi_header *))
         { return -1; }
+static inline bool dmi_match(enum dmi_field f, const char *str)
+        { return false; }
 
 #endif
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 92f6f634e3e6..7a204256b155 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -28,7 +28,7 @@ typedef void (elevator_activate_req_fn) (struct request_queue *, struct request
 typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
 
 typedef void *(elevator_init_fn) (struct request_queue *);
-typedef void (elevator_exit_fn) (elevator_t *);
+typedef void (elevator_exit_fn) (struct elevator_queue *);
 
 struct elevator_ops
 {
@@ -62,8 +62,8 @@ struct elevator_ops
 
 struct elv_fs_entry {
         struct attribute attr;
-        ssize_t (*show)(elevator_t *, char *);
-        ssize_t (*store)(elevator_t *, const char *, size_t);
+        ssize_t (*show)(struct elevator_queue *, char *);
+        ssize_t (*store)(struct elevator_queue *, const char *, size_t);
 };
 
 /*
@@ -130,7 +130,7 @@ extern ssize_t elv_iosched_show(struct request_queue *, char *);
 extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
 
 extern int elevator_init(struct request_queue *, char *);
-extern void elevator_exit(elevator_t *);
+extern void elevator_exit(struct elevator_queue *);
 extern int elv_rq_merge_ok(struct request *, struct bio *);
 
 /*
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index 32368c4f0326..06ca9b21dad2 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -81,4 +81,13 @@ static inline void cleanup_fault_attr_dentries(struct fault_attr *attr)
 
 #endif /* CONFIG_FAULT_INJECTION */
 
+#ifdef CONFIG_FAILSLAB
+extern bool should_failslab(size_t size, gfp_t gfpflags);
+#else
+static inline bool should_failslab(size_t size, gfp_t gfpflags)
+{
+        return false;
+}
+#endif /* CONFIG_FAILSLAB */
+
 #endif /* _LINUX_FAULT_INJECT_H */
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 4aab6f12cfab..09d6c5bbdddd 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -57,8 +57,6 @@ struct files_struct {
 
 #define files_fdtable(files) (rcu_dereference((files)->fdt))
 
-extern struct kmem_cache *filp_cachep;
-
 struct file_operations;
 struct vfsmount;
 struct dentry;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 195a8cb2a749..e2170ee21e18 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -21,7 +21,6 @@
 
 /* Fixed constants first: */
 #undef NR_OPEN
-extern int sysctl_nr_open;
 #define INR_OPEN 1024           /* Initial setting for nfile rlimits */
 
 #define BLOCK_SIZE_BITS 10
@@ -38,21 +37,13 @@ struct files_stat_struct {
         int nr_free_files;      /* read only */
         int max_files;          /* tunable */
 };
-extern struct files_stat_struct files_stat;
-extern int get_max_files(void);
 
 struct inodes_stat_t {
         int nr_inodes;
         int nr_unused;
         int dummy[5];           /* padding for sysctl ABI compatibility */
 };
-extern struct inodes_stat_t inodes_stat;
 
-extern int leases_enable, lease_break_time;
-
-#ifdef CONFIG_DNOTIFY
-extern int dir_notify_enable;
-#endif
 
 #define NR_FILE  8192   /* this can well be larger on a larger system */
 
@@ -82,6 +73,14 @@ extern int dir_notify_enable;
    (specialy hack for floppy.c) */
 #define FMODE_WRITE_IOCTL       ((__force fmode_t)128)
 
+/*
+ * Don't update ctime and mtime.
+ *
+ * Currently a special hack for the XFS open_by_handle ioctl, but we'll
+ * hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
+ */
+#define FMODE_NOCMTIME          ((__force fmode_t)2048)
+
 #define RW_MASK         1
 #define RWA_MASK        2
 #define READ 0
@@ -322,6 +321,15 @@ extern void __init inode_init(void);
 extern void __init inode_init_early(void);
 extern void __init files_init(unsigned long);
 
+extern struct files_stat_struct files_stat;
+extern int get_max_files(void);
+extern int sysctl_nr_open;
+extern struct inodes_stat_t inodes_stat;
+extern int leases_enable, lease_break_time;
+#ifdef CONFIG_DNOTIFY
+extern int dir_notify_enable;
+#endif
+
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
                         struct buffer_head *bh_result, int create);
@@ -1204,7 +1212,6 @@ extern void unlock_super(struct super_block *);
 /*
  * VFS helper functions..
  */
-extern int vfs_permission(struct nameidata *, int);
 extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
 extern int vfs_mkdir(struct inode *, struct dentry *, int);
 extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
@@ -1302,7 +1309,6 @@ struct file_operations {
         ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
         unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
         int (*check_flags)(int);
-        int (*dir_notify)(struct file *filp, unsigned long arg);
         int (*flock) (struct file *, int, struct file_lock *);
         ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
         ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
@@ -1861,7 +1867,7 @@ extern void free_write_pipe(struct file *);
 
 extern struct file *do_filp_open(int dfd, const char *pathname,
                 int open_flag, int mode);
-extern int may_open(struct nameidata *, int, int);
+extern int may_open(struct path *, int, int);
 
 extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
 extern struct file * open_exec(const char *);
@@ -1877,7 +1883,9 @@ extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
 
 extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin);
 
+extern struct inode * inode_init_always(struct super_block *, struct inode *);
 extern void inode_init_once(struct inode *);
+extern void inode_add_to_lists(struct super_block *, struct inode *);
 extern void iput(struct inode *);
 extern struct inode * igrab(struct inode *);
 extern ino_t iunique(struct super_block *, ino_t);
@@ -1894,6 +1902,8 @@ extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
 
 extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *, void *), int (*set)(struct inode *, void *), void *);
 extern struct inode * iget_locked(struct super_block *, unsigned long);
+extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
+extern int insert_inode_locked(struct inode *);
 extern void unlock_new_inode(struct inode *);
 
 extern void __iget(struct inode * inode);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 9e5a06e78d02..a97c053d3a9a 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -10,12 +10,6 @@ struct fs_struct {
         struct path root, pwd;
 };
 
-#define INIT_FS {                               \
-        .count          = ATOMIC_INIT(1),       \
-        .lock           = RW_LOCK_UNLOCKED,     \
-        .umask          = 0022, \
-}
-
 extern struct kmem_cache *fs_cachep;
 
 extern void exit_fs(struct task_struct *);
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 586ab56a3ec3..3bf5bb5a34f9 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -25,7 +25,8 @@ union ktime;
 #define FUTEX_WAKE_BITSET       10
 
 #define FUTEX_PRIVATE_FLAG      128
-#define FUTEX_CMD_MASK          ~FUTEX_PRIVATE_FLAG
+#define FUTEX_CLOCK_REALTIME    256
+#define FUTEX_CMD_MASK          ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
 
 #define FUTEX_WAIT_PRIVATE      (FUTEX_WAIT | FUTEX_PRIVATE_FLAG)
 #define FUTEX_WAKE_PRIVATE      (FUTEX_WAKE | FUTEX_PRIVATE_FLAG)
@@ -164,6 +165,8 @@ union futex_key {
         } both;
 };
 
+#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
+
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);
 extern void exit_pi_state_list(struct task_struct *curr);
diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
index 4cc913939817..fadff28505bb 100644
--- a/include/linux/generic_serial.h
+++ b/include/linux/generic_serial.h
@@ -21,7 +21,6 @@ struct real_driver {
   void                    (*enable_tx_interrupts) (void *);
   void                    (*disable_rx_interrupts) (void *);
   void                    (*enable_rx_interrupts) (void *);
-  int                     (*get_CD) (void *);
   void                    (*shutdown_port) (void*);
   int                     (*set_real_termios) (void*);
   int                     (*chars_in_buffer) (void*);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 3df7742ce246..16948eaecae3 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -126,6 +126,7 @@ struct blk_scsi_cmd_filter {
 struct disk_part_tbl {
         struct rcu_head rcu_head;
         int len;
+        struct hd_struct *last_lookup;
         struct hd_struct *part[];
 };
 
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 89a56d79e4c6..f83288347dda 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -119,13 +119,17 @@ static inline void account_system_vtime(struct task_struct *tsk)
 }
 #endif
 
-#if defined(CONFIG_PREEMPT_RCU) && defined(CONFIG_NO_HZ)
+#if defined(CONFIG_NO_HZ) && !defined(CONFIG_CLASSIC_RCU)
 extern void rcu_irq_enter(void);
 extern void rcu_irq_exit(void);
+extern void rcu_nmi_enter(void);
+extern void rcu_nmi_exit(void);
 #else
 # define rcu_irq_enter() do { } while (0)
 # define rcu_irq_exit() do { } while (0)
-#endif /* CONFIG_PREEMPT_RCU */
+# define rcu_nmi_enter() do { } while (0)
+# define rcu_nmi_exit() do { } while (0)
+#endif /* #if defined(CONFIG_NO_HZ) && !defined(CONFIG_CLASSIC_RCU) */
 
 /*
  * It is safe to do non-atomic ops on ->hardirq_context,
@@ -135,7 +139,6 @@ extern void rcu_irq_exit(void);
  */
 #define __irq_enter()                                   \
         do {                                            \
-                rcu_irq_enter();                        \
                 account_system_vtime(current);          \
                 add_preempt_count(HARDIRQ_OFFSET);      \
                 trace_hardirq_enter();                  \
@@ -154,7 +157,6 @@ extern void irq_enter(void);
                 trace_hardirq_exit();                   \
                 account_system_vtime(current);          \
                 sub_preempt_count(HARDIRQ_OFFSET);      \
-                rcu_irq_exit();                         \
         } while (0)
 
 /*
@@ -166,11 +168,14 @@ extern void irq_exit(void);
         do {                                    \
                 ftrace_nmi_enter();             \
                 lockdep_off();                  \
+                rcu_nmi_enter();                \
                 __irq_enter();                  \
         } while (0)
+
 #define nmi_exit()                              \
         do {                                    \
                 __irq_exit();                   \
+                rcu_nmi_exit();                 \
                 lockdep_on();                   \
                 ftrace_nmi_exit();              \
         } while (0)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 3eba43878dcb..bd37078c2d7d 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -43,26 +43,6 @@ enum hrtimer_restart {
 };
 
 /*
- * hrtimer callback modes:
- *
- *      HRTIMER_CB_SOFTIRQ:             Callback must run in softirq context
- *      HRTIMER_CB_IRQSAFE_PERCPU:      Callback must run in hardirq context
- *                                      Special mode for tick emulation and
- *                                      scheduler timer. Such timers are per
- *                                      cpu and not allowed to be migrated on
- *                                      cpu unplug.
- *      HRTIMER_CB_IRQSAFE_UNLOCKED:    Callback should run in hardirq context
- *                                      with timer->base lock unlocked
- *                                      used for timers which call wakeup to
- *                                      avoid lock order problems with rq->lock
- */
-enum hrtimer_cb_mode {
-        HRTIMER_CB_SOFTIRQ,
-        HRTIMER_CB_IRQSAFE_PERCPU,
-        HRTIMER_CB_IRQSAFE_UNLOCKED,
-};
-
-/*
  * Values to track state of the timer
  *
  * Possible states:
@@ -70,7 +50,6 @@ enum hrtimer_cb_mode {
  * 0x00         inactive
  * 0x01         enqueued into rbtree
  * 0x02         callback function running
- * 0x04         callback pending (high resolution mode)
  *
  * Special cases:
  * 0x03         callback function running and enqueued
@@ -92,8 +71,7 @@ enum hrtimer_cb_mode {
 #define HRTIMER_STATE_INACTIVE  0x00
 #define HRTIMER_STATE_ENQUEUED  0x01
 #define HRTIMER_STATE_CALLBACK  0x02
-#define HRTIMER_STATE_PENDING   0x04
-#define HRTIMER_STATE_MIGRATE   0x08
+#define HRTIMER_STATE_MIGRATE   0x04
 
 /**
  * struct hrtimer - the basic hrtimer structure
@@ -109,8 +87,6 @@ enum hrtimer_cb_mode {
  * @function:   timer expiry callback function
  * @base:       pointer to the timer base (per cpu and per clock)
  * @state:      state information (See bit values above)
- * @cb_mode:    high resolution timer feature to select the callback execution
- *               mode
  * @cb_entry:   list head to enqueue an expired timer into the callback list
  * @start_site: timer statistics field to store the site where the timer
  *              was started
@@ -129,7 +105,6 @@ struct hrtimer {
         struct hrtimer_clock_base       *base;
         unsigned long                   state;
         struct list_head                cb_entry;
-        enum hrtimer_cb_mode            cb_mode;
 #ifdef CONFIG_TIMER_STATS
         int                             start_pid;
         void                            *start_site;
@@ -188,15 +163,11 @@ struct hrtimer_clock_base {
  * @check_clocks:       Indictator, when set evaluate time source and clock
  *                      event devices whether high resolution mode can be
  *                      activated.
- * @cb_pending:         Expired timers are moved from the rbtree to this
- *                      list in the timer interrupt. The list is processed
- *                      in the softirq.
  * @nr_events:          Total number of timer interrupt events
  */
 struct hrtimer_cpu_base {
         spinlock_t                      lock;
         struct hrtimer_clock_base       clock_base[HRTIMER_MAX_CLOCK_BASES];
-        struct list_head                cb_pending;
 #ifdef CONFIG_HIGH_RES_TIMERS
         ktime_t                         expires_next;
         int                             hres_active;
@@ -404,8 +375,7 @@ static inline int hrtimer_active(const struct hrtimer *timer)
  */
 static inline int hrtimer_is_queued(struct hrtimer *timer)
 {
-        return timer->state &
-                (HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING);
+        return timer->state & HRTIMER_STATE_ENQUEUED;
 }
 
 /*
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 010fb26a1579..db5ef8ae1ab9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -32,13 +32,6 @@
 # define SUPPORT_VLB_SYNC 1
 #endif
 
-/*
- * Used to indicate "no IRQ", should be a value that cannot be an IRQ
- * number.
- */
- 
-#define IDE_NO_IRQ              (-1)
-
 typedef unsigned char   byte;   /* used everywhere */
 
 /*
@@ -122,8 +115,6 @@ struct ide_io_ports {
 #define MAX_DRIVES      2       /* per interface; 2 assumed by lots of code */
 #define SECTOR_SIZE     512
 
-#define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t)))
-
 /*
  * Timeouts for various operations:
  */
@@ -172,9 +163,7 @@ typedef int (ide_ack_intr_t)(struct hwif_s *);
 enum {          ide_unknown,    ide_generic,    ide_pci,
                 ide_cmd640,     ide_dtc2278,    ide_ali14xx,
                 ide_qd65xx,     ide_umc8672,    ide_ht6560b,
-                ide_rz1000,     ide_trm290,
-                ide_cmd646,     ide_cy82c693,   ide_4drives,
-                ide_pmac,       ide_acorn,
+                ide_4drives,    ide_pmac,       ide_acorn,
                 ide_au1xxx,     ide_palm3710
 };
 
@@ -407,6 +396,7 @@ enum {
  * This is used for several packet commands (not for READ/WRITE commands).
  */
 #define IDE_PC_BUFFER_SIZE      256
+#define ATAPI_WAIT_PC           (60 * HZ)
 
 struct ide_atapi_pc {
         /* actual packet bytes */
@@ -484,55 +474,53 @@ enum {
 
         /* ide-cd */
         /* Drive cannot eject the disc. */
-        IDE_AFLAG_NO_EJECT              = (1 << 3),
+        IDE_AFLAG_NO_EJECT              = (1 << 1),
         /* Drive is a pre ATAPI 1.2 drive. */
-        IDE_AFLAG_PRE_ATAPI12           = (1 << 4),
+        IDE_AFLAG_PRE_ATAPI12           = (1 << 2),
         /* TOC addresses are in BCD. */
-        IDE_AFLAG_TOCADDR_AS_BCD        = (1 << 5),
+        IDE_AFLAG_TOCADDR_AS_BCD        = (1 << 3),
         /* TOC track numbers are in BCD. */
-        IDE_AFLAG_TOCTRACKS_AS_BCD      = (1 << 6),
+        IDE_AFLAG_TOCTRACKS_AS_BCD      = (1 << 4),
         /*
          * Drive does not provide data in multiples of SECTOR_SIZE
          * when more than one interrupt is needed.
          */
-        IDE_AFLAG_LIMIT_NFRAMES         = (1 << 7),
-        /* Seeking in progress. */
-        IDE_AFLAG_SEEKING               = (1 << 8),
+        IDE_AFLAG_LIMIT_NFRAMES         = (1 << 5),
         /* Saved TOC information is current. */
-        IDE_AFLAG_TOC_VALID             = (1 << 9),
+        IDE_AFLAG_TOC_VALID             = (1 << 6),
         /* We think that the drive door is locked. */
-        IDE_AFLAG_DOOR_LOCKED           = (1 << 10),
+        IDE_AFLAG_DOOR_LOCKED           = (1 << 7),
         /* SET_CD_SPEED command is unsupported. */
-        IDE_AFLAG_NO_SPEED_SELECT       = (1 << 11),
-        IDE_AFLAG_VERTOS_300_SSD        = (1 << 12),
-        IDE_AFLAG_VERTOS_600_ESD        = (1 << 13),
-        IDE_AFLAG_SANYO_3CD             = (1 << 14),
-        IDE_AFLAG_FULL_CAPS_PAGE        = (1 << 15),
-        IDE_AFLAG_PLAY_AUDIO_OK         = (1 << 16),
-        IDE_AFLAG_LE_SPEED_FIELDS       = (1 << 17),
+        IDE_AFLAG_NO_SPEED_SELECT       = (1 << 8),
+        IDE_AFLAG_VERTOS_300_SSD        = (1 << 9),
+        IDE_AFLAG_VERTOS_600_ESD        = (1 << 10),
+        IDE_AFLAG_SANYO_3CD             = (1 << 11),
+        IDE_AFLAG_FULL_CAPS_PAGE        = (1 << 12),
+        IDE_AFLAG_PLAY_AUDIO_OK         = (1 << 13),
+        IDE_AFLAG_LE_SPEED_FIELDS       = (1 << 14),
 
         /* ide-floppy */
         /* Avoid commands not supported in Clik drive */
-        IDE_AFLAG_CLIK_DRIVE            = (1 << 19),
+        IDE_AFLAG_CLIK_DRIVE            = (1 << 15),
         /* Requires BH algorithm for packets */
-        IDE_AFLAG_ZIP_DRIVE             = (1 << 20),
+        IDE_AFLAG_ZIP_DRIVE             = (1 << 16),
         /* Supports format progress report */
-        IDE_AFLAG_SRFP                  = (1 << 22),
+        IDE_AFLAG_SRFP                  = (1 << 17),
 
         /* ide-tape */
-        IDE_AFLAG_IGNORE_DSC            = (1 << 23),
+        IDE_AFLAG_IGNORE_DSC            = (1 << 18),
         /* 0 When the tape position is unknown */
-        IDE_AFLAG_ADDRESS_VALID         = (1 << 24),
+        IDE_AFLAG_ADDRESS_VALID         = (1 << 19),
         /* Device already opened */
-        IDE_AFLAG_BUSY                  = (1 << 25),
+        IDE_AFLAG_BUSY                  = (1 << 20),
         /* Attempt to auto-detect the current user block size */
-        IDE_AFLAG_DETECT_BS             = (1 << 26),
+        IDE_AFLAG_DETECT_BS             = (1 << 21),
         /* Currently on a filemark */
-        IDE_AFLAG_FILEMARK              = (1 << 27),
+        IDE_AFLAG_FILEMARK              = (1 << 22),
         /* 0 = no tape is loaded, so we don't rewind after ejecting */
-        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 28),
+        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 23),
 
-        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 29),
+        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 24),
 };
 
 /* device flags */
@@ -571,28 +559,26 @@ enum {
         IDE_DFLAG_NODMA                 = (1 << 16),
         /* powermanagment told us not to do anything, so sleep nicely */
         IDE_DFLAG_BLOCKED               = (1 << 17),
-        /* ide-scsi emulation */
-        IDE_DFLAG_SCSI                  = (1 << 18),
         /* sleeping & sleep field valid */
-        IDE_DFLAG_SLEEPING              = (1 << 19),
-        IDE_DFLAG_POST_RESET            = (1 << 20),
-        IDE_DFLAG_UDMA33_WARNED         = (1 << 21),
-        IDE_DFLAG_LBA48                 = (1 << 22),
+        IDE_DFLAG_SLEEPING              = (1 << 18),
+        IDE_DFLAG_POST_RESET            = (1 << 19),
+        IDE_DFLAG_UDMA33_WARNED         = (1 << 20),
+        IDE_DFLAG_LBA48                 = (1 << 21),
         /* status of write cache */
-        IDE_DFLAG_WCACHE                = (1 << 23),
+        IDE_DFLAG_WCACHE                = (1 << 22),
         /* used for ignoring ATA_DF */
-        IDE_DFLAG_NOWERR                = (1 << 24),
+        IDE_DFLAG_NOWERR                = (1 << 23),
         /* retrying in PIO */
-        IDE_DFLAG_DMA_PIO_RETRY         = (1 << 25),
-        IDE_DFLAG_LBA                   = (1 << 26),
+        IDE_DFLAG_DMA_PIO_RETRY         = (1 << 24),
+        IDE_DFLAG_LBA                   = (1 << 25),
         /* don't unload heads */
-        IDE_DFLAG_NO_UNLOAD             = (1 << 27),
+        IDE_DFLAG_NO_UNLOAD             = (1 << 26),
         /* heads unloaded, please don't reset port */
-        IDE_DFLAG_PARKED                = (1 << 28),
-        IDE_DFLAG_MEDIA_CHANGED         = (1 << 29),
+        IDE_DFLAG_PARKED                = (1 << 27),
+        IDE_DFLAG_MEDIA_CHANGED         = (1 << 28),
         /* write protect */
-        IDE_DFLAG_WP                    = (1 << 30),
-        IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 31),
+        IDE_DFLAG_WP                    = (1 << 29),
+        IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 30),
 };
 
 struct ide_drive_s {
@@ -616,8 +602,6 @@ struct ide_drive_s {
         unsigned long dev_flags;
 
         unsigned long sleep;            /* sleep until this time */
-        unsigned long service_start;    /* time we started last request */
-        unsigned long service_time;     /* service time of last request */
         unsigned long timeout;          /* max time to wait for irq */
 
         special_t       special;        /* special action flags */
@@ -845,8 +829,6 @@ typedef struct hwif_s {
         unsigned        extra_ports;    /* number of extra dma ports */
 
         unsigned        present    : 1; /* this interface exists */
-        unsigned        serialized : 1; /* serialized all channel operation */
-        unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
 
         struct device           gendev;
@@ -887,8 +869,6 @@ typedef struct hwgroup_s {
 
                 /* BOOL: protects all fields below */
         volatile int busy;
-                /* BOOL: wake us up on timer expiry */
-        unsigned int sleeping   : 1;
                 /* BOOL: polling active & poll_timeout field valid */
         unsigned int polling    : 1;
 
@@ -909,6 +889,8 @@ typedef struct hwgroup_s {
 
         int req_gen;
         int req_gen_timer;
+
+        spinlock_t lock;
 } ide_hwgroup_t;
 
 typedef struct ide_driver_s ide_driver_t;
@@ -1122,6 +1104,14 @@ enum {
         IDE_PM_COMPLETED,
 };
 
+int generic_ide_suspend(struct device *, pm_message_t);
+int generic_ide_resume(struct device *);
+
+void ide_complete_power_step(ide_drive_t *, struct request *);
+ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
+void ide_complete_pm_request(ide_drive_t *, struct request *);
+void ide_check_pm_state(ide_drive_t *, struct request *);
+
 /*
  * Subdrivers support.
  *
@@ -1256,14 +1246,11 @@ int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
 void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
 void ide_retry_pc(ide_drive_t *, struct gendisk *);
 
-static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc)
-{
-        return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
-}
+int ide_cd_expiry(ide_drive_t *);
 
-int ide_scsi_expiry(ide_drive_t *);
+int ide_cd_get_xferlen(struct request *);
 
-ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *);
 
 ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
@@ -1285,6 +1272,26 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id);
+
+static inline int ide_lock_hwgroup(ide_hwgroup_t *hwgroup)
+{
+        if (hwgroup->busy)
+                return 1;
+
+        hwgroup->busy = 1;
+        /* for atari only */
+        ide_get_lock(ide_intr, hwgroup);
+
+        return 0;
+}
+
+static inline void ide_unlock_hwgroup(ide_hwgroup_t *hwgroup)
+{
+        /* for atari only */
+        ide_release_lock();
+        hwgroup->busy = 0;
+}
+
 extern void do_ide_request(struct request_queue *);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
@@ -1376,8 +1383,8 @@ enum {
         IDE_HFLAG_LEGACY_IRQS           = (1 << 21),
         /* force use of legacy IRQs */
         IDE_HFLAG_FORCE_LEGACY_IRQS     = (1 << 22),
-        /* limit LBA48 requests to 256 sectors */
-        IDE_HFLAG_RQSIZE_256            = (1 << 23),
+        /* host is TRM290 */
+        IDE_HFLAG_TRM290                = (1 << 23),
         /* use 32-bit I/O ops */
         IDE_HFLAG_IO_32BIT              = (1 << 24),
         /* unmask IRQs */
@@ -1415,6 +1422,9 @@ struct ide_port_info {
 
         ide_pci_enablebit_t     enablebits[2];
         hwif_chipset_t          chipset;
+
+        u16                     max_sectors;    /* if < than the default one */
+
         u32                     host_flags;
         u8                      pio_mask;
         u8                      swdma_mask;
@@ -1528,6 +1538,7 @@ void ide_unregister_region(struct gendisk *);
 void ide_undecoded_slave(ide_drive_t *);
 
 void ide_port_apply_params(ide_hwif_t *);
+int ide_sysfs_register_port(ide_hwif_t *);
 
 struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
 void ide_host_free(struct ide_host *);
@@ -1610,18 +1621,21 @@ extern struct mutex ide_cfg_mtx;
 /*
  * Structure locking:
  *
- * ide_cfg_mtx and ide_lock together protect changes to
- * ide_hwif_t->{next,hwgroup}
+ * ide_cfg_mtx and hwgroup->lock together protect changes to
+ * ide_hwif_t->next
  * ide_drive_t->next
  *
- * ide_hwgroup_t->busy: ide_lock
- * ide_hwgroup_t->hwif: ide_lock
- * ide_hwif_t->mate: constant, no locking
+ * ide_hwgroup_t->busy: hwgroup->lock
+ * ide_hwgroup_t->hwif: hwgroup->lock
+ * ide_hwif_t->{hwgroup,mate}: constant, no locking
  * ide_drive_t->hwif: constant, no locking
  */
 
 #define local_irq_set(flags)    do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
 
+char *ide_media_string(ide_drive_t *);
+
+extern struct device_attribute ide_dev_attrs[];
 extern struct bus_type ide_bus_type;
 extern struct class *ide_port_class;
 
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 959f5522d10a..2f3c2d4ef73b 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -12,6 +12,7 @@
 #include <net/net_namespace.h>
 
 extern struct files_struct init_files;
+extern struct fs_struct init_fs;
 
 #define INIT_KIOCTX(name, which_mm) \
 {                                                       \
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index f58a0cf8929a..990355fbc54e 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -14,6 +14,8 @@
 #include <linux/irqflags.h>
 #include <linux/smp.h>
 #include <linux/percpu.h>
+#include <linux/irqnr.h>
+
 #include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
@@ -109,13 +111,13 @@ extern void enable_irq(unsigned int irq);
 
 extern cpumask_t irq_default_affinity;
 
-extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask);
+extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask);
 extern int irq_can_set_affinity(unsigned int irq);
 extern int irq_select_affinity(unsigned int irq);
 
 #else /* CONFIG_SMP */
 
-static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
+static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m)
 {
         return -EINVAL;
 }
@@ -251,9 +253,6 @@ enum
         BLOCK_SOFTIRQ,
         TASKLET_SOFTIRQ,
         SCHED_SOFTIRQ,
-#ifdef CONFIG_HIGH_RES_TIMERS
-        HRTIMER_SOFTIRQ,
-#endif
         RCU_SOFTIRQ,    /* Preferable RCU should always be the last softirq */
 
         NR_SOFTIRQS
@@ -465,4 +464,10 @@ static inline void init_irq_proc(void)
 
 int show_interrupts(struct seq_file *p, void *v);
 
+struct irq_desc;
+
+extern int early_irq_init(void);
+extern int arch_early_irq_init(void);
+extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
+
 #endif
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 3dddfa703ebd..f899b502f186 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -113,7 +113,8 @@ struct irq_chip {
         void            (*eoi)(unsigned int irq);
 
         void            (*end)(unsigned int irq);
-        void            (*set_affinity)(unsigned int irq, cpumask_t dest);
+        void            (*set_affinity)(unsigned int irq,
+                                        const struct cpumask *dest);
         int             (*retrigger)(unsigned int irq);
         int             (*set_type)(unsigned int irq, unsigned int flow_type);
         int             (*set_wake)(unsigned int irq, unsigned int on);
@@ -129,9 +130,14 @@ struct irq_chip {
         const char      *typename;
 };
 
+struct timer_rand_state;
+struct irq_2_iommu;
 /**
  * struct irq_desc - interrupt descriptor
  * @irq:                interrupt number for this descriptor
+ * @timer_rand_state:   pointer to timer rand state struct
+ * @kstat_irqs:         irq stats per cpu
+ * @irq_2_iommu:        iommu with this irq
  * @handle_irq:         highlevel irq-events handler [if NULL, __do_IRQ()]
  * @chip:               low level interrupt hardware access
  * @msi_desc:           MSI descriptor
@@ -143,8 +149,8 @@ struct irq_chip {
  * @depth:              disable-depth, for nested irq_disable() calls
  * @wake_depth:         enable depth, for multiple set_irq_wake() callers
  * @irq_count:          stats field to detect stalled irqs
- * @irqs_unhandled:     stats field for spurious unhandled interrupts
  * @last_unhandled:     aging timer for unhandled count
+ * @irqs_unhandled:     stats field for spurious unhandled interrupts
  * @lock:               locking for SMP
  * @affinity:           IRQ affinity on SMP
  * @cpu:                cpu index useful for balancing
@@ -154,6 +160,13 @@ struct irq_chip {
  */
 struct irq_desc {
         unsigned int            irq;
+#ifdef CONFIG_SPARSE_IRQ
+        struct timer_rand_state *timer_rand_state;
+        unsigned int            *kstat_irqs;
+# ifdef CONFIG_INTR_REMAP
+        struct irq_2_iommu      *irq_2_iommu;
+# endif
+#endif
         irq_flow_handler_t      handle_irq;
         struct irq_chip         *chip;
         struct msi_desc         *msi_desc;
@@ -165,8 +178,8 @@ struct irq_desc {
         unsigned int            depth;          /* nested irq disables */
         unsigned int            wake_depth;     /* nested wake enables */
         unsigned int            irq_count;      /* For detecting broken IRQs */
-        unsigned int            irqs_unhandled;
         unsigned long           last_unhandled; /* Aging timer for unhandled count */
+        unsigned int            irqs_unhandled;
         spinlock_t              lock;
 #ifdef CONFIG_SMP
         cpumask_t               affinity;
@@ -181,12 +194,32 @@ struct irq_desc {
         const char              *name;
 } ____cacheline_internodealigned_in_smp;
 
+extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
+                                        struct irq_desc *desc, int cpu);
+extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
 
+#ifndef CONFIG_SPARSE_IRQ
 extern struct irq_desc irq_desc[NR_IRQS];
+#else /* CONFIG_SPARSE_IRQ */
+extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
+
+#define kstat_irqs_this_cpu(DESC) \
+        ((DESC)->kstat_irqs[smp_processor_id()])
+#define kstat_incr_irqs_this_cpu(irqno, DESC) \
+        ((DESC)->kstat_irqs[smp_processor_id()]++)
 
-static inline struct irq_desc *irq_to_desc(unsigned int irq)
+#endif /* CONFIG_SPARSE_IRQ */
+
+extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
+
+static inline struct irq_desc *
+irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)
 {
-        return (irq < nr_irqs) ? irq_desc + irq : NULL;
+#ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
+        return irq_to_desc(irq);
+#else
+        return desc;
+#endif
 }
 
 /*
@@ -380,6 +413,11 @@ extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
 #define get_irq_data(irq)       (irq_to_desc(irq)->handler_data)
 #define get_irq_msi(irq)        (irq_to_desc(irq)->msi_desc)
 
+#define get_irq_desc_chip(desc)         ((desc)->chip)
+#define get_irq_desc_chip_data(desc)    ((desc)->chip_data)
+#define get_irq_desc_data(desc)         ((desc)->handler_data)
+#define get_irq_desc_msi(desc)          ((desc)->msi_desc)
+
 #endif /* CONFIG_GENERIC_HARDIRQS */
 
 #endif /* !CONFIG_S390 */
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 452c280c8115..5504a5c97836 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -1,24 +1,41 @@
 #ifndef _LINUX_IRQNR_H
 #define _LINUX_IRQNR_H
 
+/*
+ * Generic irq_desc iterators:
+ */
+#ifdef __KERNEL__
+
 #ifndef CONFIG_GENERIC_HARDIRQS
 #include <asm/irq.h>
 # define nr_irqs                NR_IRQS
 
 # define for_each_irq_desc(irq, desc)           \
         for (irq = 0; irq < nr_irqs; irq++)
-#else
+
+# define for_each_irq_desc_reverse(irq, desc)                          \
+        for (irq = nr_irqs - 1; irq >= 0; irq--)
+#else /* CONFIG_GENERIC_HARDIRQS */
+
 extern int nr_irqs;
+extern struct irq_desc *irq_to_desc(unsigned int irq);
+
+# define for_each_irq_desc(irq, desc)                                   \
+        for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs;           \
+             irq++, desc = irq_to_desc(irq))                            \
+                if (desc)
 
-# define for_each_irq_desc(irq, desc)           \
-        for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
 
 # define for_each_irq_desc_reverse(irq, desc)                           \
-        for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
-             irq >= 0; irq--, desc--)
-#endif
+        for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0;      \
+             irq--, desc = irq_to_desc(irq))                            \
+                if (desc)
 
-#define for_each_irq_nr(irq)                    \
-        for (irq = 0; irq < nr_irqs; irq++)
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
+#define for_each_irq_nr(irq)                   \
+       for (irq = 0; irq < nr_irqs; irq++)
+
+#endif /* __KERNEL__ */
 
 #endif
diff --git a/include/linux/istallion.h b/include/linux/istallion.h
index 0d1840723249..7faca98c7d14 100644
--- a/include/linux/istallion.h
+++ b/include/linux/istallion.h
@@ -59,9 +59,7 @@ struct stliport {
         unsigned int            devnr;
         int                     baud_base;
         int                     custom_divisor;
-        int                     close_delay;
         int                     closing_wait;
-        int                     openwaitcnt;
         int                     rc;
         int                     argsize;
         void                    *argp;
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index abb6ac639e8e..1a9cf78bfce5 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -115,10 +115,20 @@ static inline u64 get_jiffies_64(void)
          ((long)(a) - (long)(b) >= 0))
 #define time_before_eq(a,b)     time_after_eq(b,a)
 
+/*
+ * Calculate whether a is in the range of [b, c].
+ */
 #define time_in_range(a,b,c) \
         (time_after_eq(a,b) && \
          time_before_eq(a,c))
 
+/*
+ * Calculate whether a is in the range of [b, c).
+ */
+#define time_in_range_open(a,b,c) \
+        (time_after_eq(a,b) && \
+         time_before(a,c))
+
 /* Same as above, but does so with platform independent 64bit types.
  * These must be used when utilizing jiffies_64 (i.e. return value of
  * get_jiffies_64() */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 6002ae76785c..ca9ff6411dfa 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -141,6 +141,15 @@ extern int _cond_resched(void);
                 (__x < 0) ? -__x : __x;         \
         })
 
+#ifdef CONFIG_PROVE_LOCKING
+void might_fault(void);
+#else
+static inline void might_fault(void)
+{
+        might_sleep();
+}
+#endif
+
 extern struct atomic_notifier_head panic_notifier_list;
 extern long (*panic_blink)(long time);
 NORET_TYPE void panic(const char * fmt, ...)
@@ -188,6 +197,8 @@ extern unsigned long long memparse(const char *ptr, char **retptr);
 extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
 extern int kernel_text_address(unsigned long addr);
+extern int func_ptr_is_kernel_text(void *ptr);
+
 struct pid;
 extern struct pid *session_of_pgrp(struct pid *pgrp);
 
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 4a145caeee07..4ee4b3d2316f 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,9 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
         struct cpu_usage_stat   cpustat;
-        unsigned int irqs[NR_IRQS];
+#ifndef CONFIG_SPARSE_IRQ
+       unsigned int irqs[NR_IRQS];
+#endif
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);
@@ -39,6 +41,10 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long long nr_context_switches(void);
 
+#ifndef CONFIG_SPARSE_IRQ
+#define kstat_irqs_this_cpu(irq) \
+        (kstat_this_cpu.irqs[irq])
+
 struct irq_desc;
 
 static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
@@ -46,11 +52,17 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
 {
         kstat_this_cpu.irqs[irq]++;
 }
+#endif
+
 
+#ifndef CONFIG_SPARSE_IRQ
 static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
        return kstat_cpu(cpu).irqs[irq];
 }
+#else
+extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
+#endif
 
 /*
  * Number of interrupts per specific IRQ source, since bootup
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index f18b86fa8655..35525ac63337 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -83,6 +83,7 @@ struct kvm_irqchip {
 #define KVM_EXIT_S390_SIEIC       13
 #define KVM_EXIT_S390_RESET       14
 #define KVM_EXIT_DCR              15
+#define KVM_EXIT_NMI              16
 
 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 struct kvm_run {
@@ -387,6 +388,14 @@ struct kvm_trace_rec {
 #define KVM_CAP_DEVICE_ASSIGNMENT 17
 #endif
 #define KVM_CAP_IOMMU 18
+#if defined(CONFIG_X86)
+#define KVM_CAP_DEVICE_MSI 20
+#endif
+/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
+#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
+#if defined(CONFIG_X86)
+#define KVM_CAP_USER_NMI 22
+#endif
 
 /*
  * ioctls for VM fds
@@ -458,6 +467,8 @@ struct kvm_trace_rec {
 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,  0x97)
 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
+/* Available with KVM_CAP_NMI */
+#define KVM_NMI                   _IO(KVMIO,  0x9a)
 
 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
@@ -500,10 +511,17 @@ struct kvm_assigned_irq {
         __u32 guest_irq;
         __u32 flags;
         union {
+                struct {
+                        __u32 addr_lo;
+                        __u32 addr_hi;
+                        __u32 data;
+                } guest_msi;
                 __u32 reserved[12];
         };
 };
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 
+#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI   (1 << 0)
+
 #endif
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bb92be2153bc..eafabd5c66b2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -16,6 +16,7 @@
 #include <linux/mm.h>
 #include <linux/preempt.h>
 #include <linux/marker.h>
+#include <linux/msi.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -306,8 +307,14 @@ struct kvm_assigned_dev_kernel {
         int host_busnr;
         int host_devfn;
         int host_irq;
+        bool host_irq_disabled;
         int guest_irq;
-        int irq_requested;
+        struct msi_msg guest_msi;
+#define KVM_ASSIGNED_DEV_GUEST_INTX     (1 << 0)
+#define KVM_ASSIGNED_DEV_GUEST_MSI      (1 << 1)
+#define KVM_ASSIGNED_DEV_HOST_INTX      (1 << 8)
+#define KVM_ASSIGNED_DEV_HOST_MSI       (1 << 9)
+        unsigned long irq_requested_type;
         int irq_source_id;
         struct pci_dev *dev;
         struct kvm *kvm;
@@ -316,8 +323,7 @@ void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
 void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi);
 void kvm_register_irq_ack_notifier(struct kvm *kvm,
                                    struct kvm_irq_ack_notifier *kian);
-void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
-                                     struct kvm_irq_ack_notifier *kian);
+void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian);
 int kvm_request_irq_source_id(struct kvm *kvm);
 void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
 
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index e7217dc58f39..a53407a4165c 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -54,9 +54,13 @@ struct lguest_vqconfig {
 /* Write command first word is a request. */
 enum lguest_req
 {
-        LHREQ_INITIALIZE, /* + base, pfnlimit, pgdir, start */
+        LHREQ_INITIALIZE, /* + base, pfnlimit, start */
         LHREQ_GETDMA, /* No longer used */
         LHREQ_IRQ, /* + irq */
         LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */
 };
+
+/* The alignment to use between consumer and producer parts of vring.
+ * x86 pagesize for historical reasons. */
+#define LGUEST_VRING_ALIGN      4096
 #endif /* _LINUX_LGUEST_LAUNCHER */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ed3f26eb5df1..3449de597eff 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -213,10 +213,11 @@ enum {
         ATA_PFLAG_FROZEN        = (1 << 2), /* port is frozen */
         ATA_PFLAG_RECOVERED     = (1 << 3), /* recovery action performed */
         ATA_PFLAG_LOADING       = (1 << 4), /* boot/loading probe */
-        ATA_PFLAG_UNLOADING     = (1 << 5), /* module is unloading */
         ATA_PFLAG_SCSI_HOTPLUG  = (1 << 6), /* SCSI hotplug scheduled */
         ATA_PFLAG_INITIALIZING  = (1 << 7), /* being initialized, don't touch */
         ATA_PFLAG_RESETTING     = (1 << 8), /* reset in progress */
+        ATA_PFLAG_UNLOADING     = (1 << 9), /* driver is being unloaded */
+        ATA_PFLAG_UNLOADED      = (1 << 10), /* driver is unloaded */
 
         ATA_PFLAG_SUSPENDED     = (1 << 17), /* port is suspended (power) */
         ATA_PFLAG_PM_PENDING    = (1 << 18), /* PM operation pending */
@@ -1285,26 +1286,62 @@ static inline int ata_link_active(struct ata_link *link)
         return ata_tag_valid(link->active_tag) || link->sactive;
 }
 
-extern struct ata_link *__ata_port_next_link(struct ata_port *ap,
-                                             struct ata_link *link,
-                                             bool dev_only);
+/*
+ * Iterators
+ *
+ * ATA_LITER_* constants are used to select link iteration mode and
+ * ATA_DITER_* device iteration mode.
+ *
+ * For a custom iteration directly using ata_{link|dev}_next(), if
+ * @link or @dev, respectively, is NULL, the first element is
+ * returned.  @dev and @link can be any valid device or link and the
+ * next element according to the iteration mode will be returned.
+ * After the last element, NULL is returned.
+ */
+enum ata_link_iter_mode {
+        ATA_LITER_EDGE,         /* if present, PMP links only; otherwise,
+                                 * host link.  no slave link */
+        ATA_LITER_HOST_FIRST,   /* host link followed by PMP or slave links */
+        ATA_LITER_PMP_FIRST,    /* PMP links followed by host link,
+                                 * slave link still comes after host link */
+};
 
-#define __ata_port_for_each_link(link, ap) \
-        for ((link) = __ata_port_next_link((ap), NULL, false); (link); \
-             (link) = __ata_port_next_link((ap), (link), false))
+enum ata_dev_iter_mode {
+        ATA_DITER_ENABLED,
+        ATA_DITER_ENABLED_REVERSE,
+        ATA_DITER_ALL,
+        ATA_DITER_ALL_REVERSE,
+};
 
-#define ata_port_for_each_link(link, ap) \
-        for ((link) = __ata_port_next_link((ap), NULL, true); (link); \
-             (link) = __ata_port_next_link((ap), (link), true))
+extern struct ata_link *ata_link_next(struct ata_link *link,
+                                      struct ata_port *ap,
+                                      enum ata_link_iter_mode mode);
 
-#define ata_link_for_each_dev(dev, link) \
-        for ((dev) = (link)->device; \
-             (dev) < (link)->device + ata_link_max_devices(link) || ((dev) = NULL); \
-             (dev)++)
+extern struct ata_device *ata_dev_next(struct ata_device *dev,
+                                       struct ata_link *link,
+                                       enum ata_dev_iter_mode mode);
+
+/*
+ * Shortcut notation for iterations
+ *
+ * ata_for_each_link() iterates over each link of @ap according to
+ * @mode.  @link points to the current link in the loop.  @link is
+ * NULL after loop termination.  ata_for_each_dev() works the same way
+ * except that it iterates over each device of @link.
+ *
+ * Note that the mode prefixes ATA_{L|D}ITER_ shouldn't need to be
+ * specified when using the following shorthand notations.  Only the
+ * mode itself (EDGE, HOST_FIRST, ENABLED, etc...) should be
+ * specified.  This not only increases brevity but also makes it
+ * impossible to use ATA_LITER_* for device iteration or vice-versa.
+ */
+#define ata_for_each_link(link, ap, mode) \
+        for ((link) = ata_link_next(NULL, (ap), ATA_LITER_##mode); (link); \
+             (link) = ata_link_next((link), (ap), ATA_LITER_##mode))
 
-#define ata_link_for_each_dev_reverse(dev, link) \
-        for ((dev) = (link)->device + ata_link_max_devices(link) - 1; \
-             (dev) >= (link)->device || ((dev) = NULL); (dev)--)
+#define ata_for_each_dev(dev, link, mode) \
+        for ((dev) = ata_dev_next(NULL, (link), ATA_DITER_##mode); (dev); \
+             (dev) = ata_dev_next((dev), (link), ATA_DITER_##mode))
 
 /**
  *      ata_ncq_enabled - Test whether NCQ is enabled
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index e5872dc994c0..fbc48f898521 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -41,6 +41,7 @@ struct nlmclnt_initdata {
         size_t                  addrlen;
         unsigned short          protocol;
         u32                     nfs_version;
+        int                     noresvport;
 };
 
 /*
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index b56d5aa9b194..23da3fa69efa 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -49,6 +49,7 @@ struct nlm_host {
         unsigned short          h_proto;        /* transport proto */
         unsigned short          h_reclaiming : 1,
                                 h_server     : 1, /* server side, not client side */
+                                h_noresvport : 1,
                                 h_inuse      : 1;
         wait_queue_head_t       h_gracewait;    /* wait while reclaiming */
         struct rw_semaphore     h_rwsem;        /* Reboot recovery lock */
@@ -220,7 +221,8 @@ struct nlm_host  *nlmclnt_lookup_host(const struct sockaddr *sap,
                                         const size_t salen,
                                         const unsigned short protocol,
                                         const u32 version,
-                                        const char *hostname);
+                                        const char *hostname,
+                                        int noresvport);
 struct nlm_host  *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
                                         const char *hostname,
                                         const size_t hostname_len);
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 29aec6e10020..23bf02fb124f 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -73,6 +73,8 @@ struct lock_class_key {
         struct lockdep_subclass_key     subkeys[MAX_LOCKDEP_SUBCLASSES];
 };
 
+#define LOCKSTAT_POINTS         4
+
 /*
  * The lock-class itself:
  */
@@ -119,7 +121,8 @@ struct lock_class {
         int                             name_version;
 
 #ifdef CONFIG_LOCK_STAT
-        unsigned long                   contention_point[4];
+        unsigned long                   contention_point[LOCKSTAT_POINTS];
+        unsigned long                   contending_point[LOCKSTAT_POINTS];
 #endif
 };
 
@@ -144,6 +147,7 @@ enum bounce_type {
 
 struct lock_class_stats {
         unsigned long                   contention_point[4];
+        unsigned long                   contending_point[4];
         struct lock_time                read_waittime;
         struct lock_time                write_waittime;
         struct lock_time                read_holdtime;
@@ -165,6 +169,7 @@ struct lockdep_map {
         const char                      *name;
 #ifdef CONFIG_LOCK_STAT
         int                             cpu;
+        unsigned long                   ip;
 #endif
 };
 
@@ -309,8 +314,15 @@ extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 extern void lock_release(struct lockdep_map *lock, int nested,
                          unsigned long ip);
 
-extern void lock_set_subclass(struct lockdep_map *lock, unsigned int subclass,
-                              unsigned long ip);
+extern void lock_set_class(struct lockdep_map *lock, const char *name,
+                           struct lock_class_key *key, unsigned int subclass,
+                           unsigned long ip);
+
+static inline void lock_set_subclass(struct lockdep_map *lock,
+                unsigned int subclass, unsigned long ip)
+{
+        lock_set_class(lock, lock->name, lock->key, subclass, ip);
+}
 
 # define INIT_LOCKDEP                           .lockdep_recursion = 0,
 
@@ -328,6 +340,7 @@ static inline void lockdep_on(void)
 
 # define lock_acquire(l, s, t, r, c, n, i)      do { } while (0)
 # define lock_release(l, n, i)                  do { } while (0)
+# define lock_set_class(l, n, k, s, i)          do { } while (0)
 # define lock_set_subclass(l, s, i)             do { } while (0)
 # define lockdep_init()                         do { } while (0)
 # define lockdep_info()                         do { } while (0)
@@ -356,7 +369,7 @@ struct lock_class_key { };
 #ifdef CONFIG_LOCK_STAT
 
 extern void lock_contended(struct lockdep_map *lock, unsigned long ip);
-extern void lock_acquired(struct lockdep_map *lock);
+extern void lock_acquired(struct lockdep_map *lock, unsigned long ip);
 
 #define LOCK_CONTENDED(_lock, try, lock)                        \
 do {                                                            \
@@ -364,20 +377,20 @@ do {								\
                 lock_contended(&(_lock)->dep_map, _RET_IP_);    \
                 lock(_lock);                                    \
         }                                                       \
-        lock_acquired(&(_lock)->dep_map);                       \
+        lock_acquired(&(_lock)->dep_map, _RET_IP_);                     \
 } while (0)
 
 #else /* CONFIG_LOCK_STAT */
 
 #define lock_contended(lockdep_map, ip) do {} while (0)
-#define lock_acquired(lockdep_map) do {} while (0)
+#define lock_acquired(lockdep_map, ip) do {} while (0)
 
 #define LOCK_CONTENDED(_lock, try, lock) \
         lock(_lock)
 
 #endif /* CONFIG_LOCK_STAT */
 
-#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)
+#ifdef CONFIG_GENERIC_HARDIRQS
 extern void early_init_irq_lock_class(void);
 #else
 static inline void early_init_irq_lock_class(void)
@@ -481,4 +494,22 @@ static inline void print_irqtrace_events(struct task_struct *curr)
 # define lock_map_release(l)                    do { } while (0)
 #endif
 
+#ifdef CONFIG_PROVE_LOCKING
+# define might_lock(lock)                                               \
+do {                                                                    \
+        typecheck(struct lockdep_map *, &(lock)->dep_map);              \
+        lock_acquire(&(lock)->dep_map, 0, 0, 0, 2, NULL, _THIS_IP_);    \
+        lock_release(&(lock)->dep_map, 0, _THIS_IP_);                   \
+} while (0)
+# define might_lock_read(lock)                                          \
+do {                                                                    \
+        typecheck(struct lockdep_map *, &(lock)->dep_map);              \
+        lock_acquire(&(lock)->dep_map, 0, 0, 1, 2, NULL, _THIS_IP_);    \
+        lock_release(&(lock)->dep_map, 0, _THIS_IP_);                   \
+} while (0)
+#else
+# define might_lock(lock) do { } while (0)
+# define might_lock_read(lock) do { } while (0)
+#endif
+
 #endif /* __LINUX_LOCKDEP_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index fe825471d5aa..9cfc9b627fdd 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -232,8 +232,9 @@ struct mm_struct {
         struct core_state *core_state; /* coredumping support */
 
         /* aio bits */
-        rwlock_t                ioctx_list_lock;        /* aio lock */
-        struct kioctx           *ioctx_list;
+        spinlock_t              ioctx_lock;
+        struct hlist_head       ioctx_list;
+
 #ifdef CONFIG_MM_OWNER
         /*
          * "owner" points to a task that is regarded as the canonical
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8f2939227207..d2b8a1e8ca11 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -10,8 +10,11 @@ struct msi_msg {
 };
 
 /* Helper functions */
+struct irq_desc;
 extern void mask_msi_irq(unsigned int irq);
 extern void unmask_msi_irq(unsigned int irq);
+extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
+extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
 extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
 extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index bc6da10ceee0..7a0e5c4f8072 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -144,6 +144,8 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
 /*
  * NOTE: mutex_trylock() follows the spin_trylock() convention,
  *       not the down_trylock() convention!
+ *
+ * Returns 1 if the mutex has been acquired successfully, and 0 on contention.
  */
 extern int mutex_trylock(struct mutex *lock);
 extern void mutex_unlock(struct mutex *lock);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 99eb80306dc5..fc2e03579877 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -94,4 +94,9 @@ static inline char *nd_get_link(struct nameidata *nd)
         return nd->saved_names[nd->depth];
 }
 
+static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
+{
+        ((char *) name)[min(len, maxlen)] = '\0';
+}
+
 #endif /* _LINUX_NAMEI_H */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 4eaa8347a0d9..db867b04ac3c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -83,7 +83,7 @@ struct nfs_open_context {
         struct rpc_cred *cred;
         struct nfs4_state *state;
         fl_owner_t lockowner;
-        int mode;
+        fmode_t mode;
 
         unsigned long flags;
 #define NFS_CONTEXT_ERROR_WRITE         (0)
@@ -130,7 +130,10 @@ struct nfs_inode {
          *
          * We need to revalidate the cached attrs for this inode if
          *
-         *      jiffies - read_cache_jiffies > attrtimeo
+         *      jiffies - read_cache_jiffies >= attrtimeo
+         *
+         * Please note the comparison is greater than or equal
+         * so that zero timeout values can be specified.
          */
         unsigned long           read_cache_jiffies;
         unsigned long           attrtimeo;
@@ -180,7 +183,7 @@ struct nfs_inode {
         /* NFSv4 state */
         struct list_head        open_states;
         struct nfs_delegation   *delegation;
-        int                      delegation_state;
+        fmode_t                  delegation_state;
         struct rw_semaphore     rwsem;
 #endif /* CONFIG_NFS_V4*/
         struct inode            vfs_inode;
@@ -342,7 +345,7 @@ extern int nfs_setattr(struct dentry *, struct iattr *);
 extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
 extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
 extern void put_nfs_open_context(struct nfs_open_context *ctx);
-extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, int mode);
+extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode);
 extern u64 nfs_compat_user_ino64(u64 fileid);
 extern void nfs_fattr_init(struct nfs_fattr *fattr);
 
@@ -533,12 +536,6 @@ static inline void nfs3_forget_cached_acls(struct inode *inode)
 #endif /* CONFIG_NFS_V3_ACL */
 
 /*
- * linux/fs/mount_clnt.c
- */
-extern int  nfs_mount(struct sockaddr *, size_t, char *, char *,
-                      int, int, struct nfs_fh *);
-
-/*
  * inline functions
  */
 
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 4e477ae58699..9bb81aec91cf 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -42,12 +42,6 @@ struct nfs_client {
         struct rb_root          cl_openowner_id;
         struct rb_root          cl_lockowner_id;
 
-        /*
-         * The following rwsem ensures exclusive access to the server
-         * while we recover the state following a lease expiration.
-         */
-        struct rw_semaphore     cl_sem;
-
         struct list_head        cl_delegations;
         struct rb_root          cl_state_owners;
         spinlock_t              cl_lock;
diff --git a/include/linux/nfs_mount.h b/include/linux/nfs_mount.h
index 6549a06ac16e..4499016e6d0d 100644
--- a/include/linux/nfs_mount.h
+++ b/include/linux/nfs_mount.h
@@ -45,7 +45,7 @@ struct nfs_mount_data {
         char            context[NFS_MAX_CONTEXT_LEN + 1];       /* 6 */
 };
 
-/* bits in the flags field */
+/* bits in the flags field visible to user space */
 
 #define NFS_MOUNT_SOFT          0x0001  /* 1 */
 #define NFS_MOUNT_INTR          0x0002  /* 1 */ /* now unused, but ABI */
@@ -68,5 +68,6 @@ struct nfs_mount_data {
 /* The following are for internal use only */
 #define NFS_MOUNT_LOOKUP_CACHE_NONEG    0x10000
 #define NFS_MOUNT_LOOKUP_CACHE_NONE     0x20000
+#define NFS_MOUNT_NORESVPORT            0x40000
 
 #endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index c1c31acb8a2b..a550b528319f 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -120,13 +120,14 @@ struct nfs_openargs {
         const struct nfs_fh *   fh;
         struct nfs_seqid *      seqid;
         int                     open_flags;
+        fmode_t                 fmode;
         __u64                   clientid;
         __u64                   id;
         union {
                 struct iattr *  attrs;    /* UNCHECKED, GUARDED */
                 nfs4_verifier   verifier; /* EXCLUSIVE */
                 nfs4_stateid    delegation;             /* CLAIM_DELEGATE_CUR */
-                int             delegation_type;        /* CLAIM_PREVIOUS */
+                fmode_t         delegation_type;        /* CLAIM_PREVIOUS */
         } u;
         const struct qstr *     name;
         const struct nfs_server *server;         /* Needed for ID mapping */
@@ -143,7 +144,7 @@ struct nfs_openres {
         struct nfs_fattr *      dir_attr;
         struct nfs_seqid *      seqid;
         const struct nfs_server *server;
-        int                     delegation_type;
+        fmode_t                 delegation_type;
         nfs4_stateid            delegation;
         __u32                   do_recall;
         __u64                   maxsize;
@@ -171,7 +172,7 @@ struct nfs_closeargs {
         struct nfs_fh *         fh;
         nfs4_stateid *          stateid;
         struct nfs_seqid *      seqid;
-        int                     open_flags;
+        fmode_t                 fmode;
         const u32 *             bitmask;
 };
 
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index d0fe2e378452..128298c0362d 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -124,6 +124,8 @@ struct nfs4_client {
         nfs4_verifier           cl_verifier;    /* generated by client */
         time_t                  cl_time;        /* time of last lease renewal */
         __be32                  cl_addr;        /* client ipaddress */
+        u32                     cl_flavor;      /* setclientid pseudoflavor */
+        char                    *cl_principal;  /* setclientid principal name */
         struct svc_cred         cl_cred;        /* setclientid principal */
         clientid_t              cl_clientid;    /* generated by server */
         nfs4_verifier           cl_confirm;     /* generated by server */
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index a8efcfeea732..3d327b67d7e2 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -26,8 +26,7 @@ extern struct bus_type of_platform_bus_type;
 
 /*
  * An of_platform_driver driver is attached to a basic of_device on
- * the "platform bus" (of_platform_bus_type) (or ISA, EBUS and SBUS
- * busses on sparc).
+ * the "platform bus" (of_platform_bus_type).
  */
 struct of_platform_driver
 {
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 5231861f357d..1ce9fe572e51 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -86,8 +86,7 @@ int oprofile_arch_init(struct oprofile_operations * ops);
 void oprofile_arch_exit(void);
 
 /**
- * Add a sample. This may be called from any context. Pass
- * smp_processor_id() as cpu.
+ * Add a sample. This may be called from any context.
  */
 void oprofile_add_sample(struct pt_regs * const regs, unsigned long event);
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index b6e694454280..218c73b1e6d4 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1766,6 +1766,7 @@
 #define PCI_DEVICE_ID_SIIG_8S_20x_650   0x2081
 #define PCI_DEVICE_ID_SIIG_8S_20x_850   0x2082
 #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL    0x2050
+#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL       0x2530
 
 #define PCI_VENDOR_ID_RADISYS           0x1331
 
@@ -1795,6 +1796,7 @@
 #define PCI_DEVICE_ID_SEALEVEL_UCOMM232 0x7202
 #define PCI_DEVICE_ID_SEALEVEL_COMM4    0x7401
 #define PCI_DEVICE_ID_SEALEVEL_COMM8    0x7801
+#define PCI_DEVICE_ID_SEALEVEL_7803     0x7803
 #define PCI_DEVICE_ID_SEALEVEL_UCOMM8   0x7804
 
 #define PCI_VENDOR_ID_HYPERCOPE         0x1365
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index a7c721355549..4f71bf4e628c 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -45,7 +45,11 @@ struct k_itimer {
         int it_requeue_pending;         /* waiting to requeue this timer */
 #define REQUEUE_PENDING 1
         int it_sigev_notify;            /* notify word of sigevent struct */
-        struct task_struct *it_process; /* process to send signal to */
+        struct signal_struct *it_signal;
+        union {
+                struct pid *it_pid;     /* pid of process to send signal to */
+                struct task_struct *it_process; /* for clock_nanosleep */
+        };
         struct sigqueue *sigq;          /* signal queue entry. */
         union {
                 struct {
diff --git a/include/linux/random.h b/include/linux/random.h
index 36f125c0c603..adbf3bd3c6b3 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -8,6 +8,7 @@
 #define _LINUX_RANDOM_H
 
 #include <linux/ioctl.h>
+#include <linux/irqnr.h>
 
 /* ioctl()'s for the random number generator */
 
@@ -44,6 +45,56 @@ struct rand_pool_info {
 
 extern void rand_initialize_irq(int irq);
 
+struct timer_rand_state;
+#ifndef CONFIG_SPARSE_IRQ
+
+extern struct timer_rand_state *irq_timer_state[];
+
+static inline struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+        if (irq >= nr_irqs)
+                return NULL;
+
+        return irq_timer_state[irq];
+}
+
+static inline void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+        if (irq >= nr_irqs)
+                return;
+
+        irq_timer_state[irq] = state;
+}
+
+#else
+
+#include <linux/irq.h>
+static inline struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+        struct irq_desc *desc;
+
+        desc = irq_to_desc(irq);
+
+        if (!desc)
+                return NULL;
+
+        return desc->timer_rand_state;
+}
+
+static inline void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+        struct irq_desc *desc;
+
+        desc = irq_to_desc(irq);
+
+        if (!desc)
+                return;
+
+        desc->timer_rand_state = state;
+}
+#endif
+
+
 extern void add_input_randomness(unsigned int type, unsigned int code,
                                  unsigned int value);
 extern void add_interrupt_randomness(int irq);
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 5f89b62e6983..301dda829e37 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -41,7 +41,7 @@
 #include <linux/seqlock.h>
 
 #ifdef CONFIG_RCU_CPU_STALL_DETECTOR
-#define RCU_SECONDS_TILL_STALL_CHECK    ( 3 * HZ) /* for rcp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_CHECK    (10 * HZ) /* for rcp->jiffies_stall */
 #define RCU_SECONDS_TILL_STALL_RECHECK  (30 * HZ) /* for rcp->jiffies_stall */
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
 
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 895dc9c1088c..1168fbcea8d4 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -52,11 +52,15 @@ struct rcu_head {
         void (*func)(struct rcu_head *head);
 };
 
-#ifdef CONFIG_CLASSIC_RCU
+#if defined(CONFIG_CLASSIC_RCU)
 #include <linux/rcuclassic.h>
-#else /* #ifdef CONFIG_CLASSIC_RCU */
+#elif defined(CONFIG_TREE_RCU)
+#include <linux/rcutree.h>
+#elif defined(CONFIG_PREEMPT_RCU)
 #include <linux/rcupreempt.h>
-#endif /* #else #ifdef CONFIG_CLASSIC_RCU */
+#else
+#error "Unknown RCU implementation specified to kernel configuration"
+#endif /* #else #if defined(CONFIG_CLASSIC_RCU) */
 
 #define RCU_HEAD_INIT   { .next = NULL, .func = NULL }
 #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
new file mode 100644
index 000000000000..d4368b7975c3
--- /dev/null
+++ b/include/linux/rcutree.h
@@ -0,0 +1,329 @@
+/*
+ * Read-Copy Update mechanism for mutual exclusion (tree-based version)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2008
+ *
+ * Author: Dipankar Sarma <dipankar@in.ibm.com>
+ *         Paul E. McKenney <paulmck@linux.vnet.ibm.com> Hierarchical algorithm
+ *
+ * Based on the original work by Paul McKenney <paulmck@us.ibm.com>
+ * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.
+ *
+ * For detailed explanation of Read-Copy Update mechanism see -
+ *      Documentation/RCU
+ */
+
+#ifndef __LINUX_RCUTREE_H
+#define __LINUX_RCUTREE_H
+
+#include <linux/cache.h>
+#include <linux/spinlock.h>
+#include <linux/threads.h>
+#include <linux/percpu.h>
+#include <linux/cpumask.h>
+#include <linux/seqlock.h>
+
+/*
+ * Define shape of hierarchy based on NR_CPUS and CONFIG_RCU_FANOUT.
+ * In theory, it should be possible to add more levels straightforwardly.
+ * In practice, this has not been tested, so there is probably some
+ * bug somewhere.
+ */
+#define MAX_RCU_LVLS 3
+#define RCU_FANOUT            (CONFIG_RCU_FANOUT)
+#define RCU_FANOUT_SQ         (RCU_FANOUT * RCU_FANOUT)
+#define RCU_FANOUT_CUBE       (RCU_FANOUT_SQ * RCU_FANOUT)
+
+#if NR_CPUS <= RCU_FANOUT
+#  define NUM_RCU_LVLS        1
+#  define NUM_RCU_LVL_0       1
+#  define NUM_RCU_LVL_1       (NR_CPUS)
+#  define NUM_RCU_LVL_2       0
+#  define NUM_RCU_LVL_3       0
+#elif NR_CPUS <= RCU_FANOUT_SQ
+#  define NUM_RCU_LVLS        2
+#  define NUM_RCU_LVL_0       1
+#  define NUM_RCU_LVL_1       (((NR_CPUS) + RCU_FANOUT - 1) / RCU_FANOUT)
+#  define NUM_RCU_LVL_2       (NR_CPUS)
+#  define NUM_RCU_LVL_3       0
+#elif NR_CPUS <= RCU_FANOUT_CUBE
+#  define NUM_RCU_LVLS        3
+#  define NUM_RCU_LVL_0       1
+#  define NUM_RCU_LVL_1       (((NR_CPUS) + RCU_FANOUT_SQ - 1) / RCU_FANOUT_SQ)
+#  define NUM_RCU_LVL_2       (((NR_CPUS) + (RCU_FANOUT) - 1) / (RCU_FANOUT))
+#  define NUM_RCU_LVL_3       NR_CPUS
+#else
+# error "CONFIG_RCU_FANOUT insufficient for NR_CPUS"
+#endif /* #if (NR_CPUS) <= RCU_FANOUT */
+
+#define RCU_SUM (NUM_RCU_LVL_0 + NUM_RCU_LVL_1 + NUM_RCU_LVL_2 + NUM_RCU_LVL_3)
+#define NUM_RCU_NODES (RCU_SUM - NR_CPUS)
+
+/*
+ * Dynticks per-CPU state.
+ */
+struct rcu_dynticks {
+        int dynticks_nesting;   /* Track nesting level, sort of. */
+        int dynticks;           /* Even value for dynticks-idle, else odd. */
+        int dynticks_nmi;       /* Even value for either dynticks-idle or */
+                                /*  not in nmi handler, else odd.  So this */
+                                /*  remains even for nmi from irq handler. */
+};
+
+/*
+ * Definition for node within the RCU grace-period-detection hierarchy.
+ */
+struct rcu_node {
+        spinlock_t lock;
+        unsigned long qsmask;   /* CPUs or groups that need to switch in */
+                                /*  order for current grace period to proceed.*/
+        unsigned long qsmaskinit;
+                                /* Per-GP initialization for qsmask. */
+        unsigned long grpmask;  /* Mask to apply to parent qsmask. */
+        int     grplo;          /* lowest-numbered CPU or group here. */
+        int     grphi;          /* highest-numbered CPU or group here. */
+        u8      grpnum;         /* CPU/group number for next level up. */
+        u8      level;          /* root is at level 0. */
+        struct rcu_node *parent;
+} ____cacheline_internodealigned_in_smp;
+
+/* Index values for nxttail array in struct rcu_data. */
+#define RCU_DONE_TAIL           0       /* Also RCU_WAIT head. */
+#define RCU_WAIT_TAIL           1       /* Also RCU_NEXT_READY head. */
+#define RCU_NEXT_READY_TAIL     2       /* Also RCU_NEXT head. */
+#define RCU_NEXT_TAIL           3
+#define RCU_NEXT_SIZE           4
+
+/* Per-CPU data for read-copy update. */
+struct rcu_data {
+        /* 1) quiescent-state and grace-period handling : */
+        long            completed;      /* Track rsp->completed gp number */
+                                        /*  in order to detect GP end. */
+        long            gpnum;          /* Highest gp number that this CPU */
+                                        /*  is aware of having started. */
+        long            passed_quiesc_completed;
+                                        /* Value of completed at time of qs. */
+        bool            passed_quiesc;  /* User-mode/idle loop etc. */
+        bool            qs_pending;     /* Core waits for quiesc state. */
+        bool            beenonline;     /* CPU online at least once. */
+        struct rcu_node *mynode;        /* This CPU's leaf of hierarchy */
+        unsigned long grpmask;          /* Mask to apply to leaf qsmask. */
+
+        /* 2) batch handling */
+        /*
+         * If nxtlist is not NULL, it is partitioned as follows.
+         * Any of the partitions might be empty, in which case the
+         * pointer to that partition will be equal to the pointer for
+         * the following partition.  When the list is empty, all of
+         * the nxttail elements point to nxtlist, which is NULL.
+         *
+         * [*nxttail[RCU_NEXT_READY_TAIL], NULL = *nxttail[RCU_NEXT_TAIL]):
+         *      Entries that might have arrived after current GP ended
+         * [*nxttail[RCU_WAIT_TAIL], *nxttail[RCU_NEXT_READY_TAIL]):
+         *      Entries known to have arrived before current GP ended
+         * [*nxttail[RCU_DONE_TAIL], *nxttail[RCU_WAIT_TAIL]):
+         *      Entries that batch # <= ->completed - 1: waiting for current GP
+         * [nxtlist, *nxttail[RCU_DONE_TAIL]):
+         *      Entries that batch # <= ->completed
+         *      The grace period for these entries has completed, and
+         *      the other grace-period-completed entries may be moved
+         *      here temporarily in rcu_process_callbacks().
+         */
+        struct rcu_head *nxtlist;
+        struct rcu_head **nxttail[RCU_NEXT_SIZE];
+        long            qlen;           /* # of queued callbacks */
+        long            blimit;         /* Upper limit on a processed batch */
+
+#ifdef CONFIG_NO_HZ
+        /* 3) dynticks interface. */
+        struct rcu_dynticks *dynticks;  /* Shared per-CPU dynticks state. */
+        int dynticks_snap;              /* Per-GP tracking for dynticks. */
+        int dynticks_nmi_snap;          /* Per-GP tracking for dynticks_nmi. */
+#endif /* #ifdef CONFIG_NO_HZ */
+
+        /* 4) reasons this CPU needed to be kicked by force_quiescent_state */
+#ifdef CONFIG_NO_HZ
+        unsigned long dynticks_fqs;     /* Kicked due to dynticks idle. */
+#endif /* #ifdef CONFIG_NO_HZ */
+        unsigned long offline_fqs;      /* Kicked due to being offline. */
+        unsigned long resched_ipi;      /* Sent a resched IPI. */
+
+        /* 5) state to allow this CPU to force_quiescent_state on others */
+        long n_rcu_pending;             /* rcu_pending() calls since boot. */
+        long n_rcu_pending_force_qs;    /* when to force quiescent states. */
+
+        int cpu;
+};
+
+/* Values for signaled field in struct rcu_state. */
+#define RCU_GP_INIT             0       /* Grace period being initialized. */
+#define RCU_SAVE_DYNTICK        1       /* Need to scan dyntick state. */
+#define RCU_FORCE_QS            2       /* Need to force quiescent state. */
+#ifdef CONFIG_NO_HZ
+#define RCU_SIGNAL_INIT         RCU_SAVE_DYNTICK
+#else /* #ifdef CONFIG_NO_HZ */
+#define RCU_SIGNAL_INIT         RCU_FORCE_QS
+#endif /* #else #ifdef CONFIG_NO_HZ */
+
+#define RCU_JIFFIES_TILL_FORCE_QS        3      /* for rsp->jiffies_force_qs */
+#ifdef CONFIG_RCU_CPU_STALL_DETECTOR
+#define RCU_SECONDS_TILL_STALL_CHECK   (10 * HZ)  /* for rsp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ)  /* for rsp->jiffies_stall */
+#define RCU_STALL_RAT_DELAY             2         /* Allow other CPUs time */
+                                                  /*  to take at least one */
+                                                  /*  scheduling clock irq */
+                                                  /*  before ratting on them. */
+
+#endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
+
+/*
+ * RCU global state, including node hierarchy.  This hierarchy is
+ * represented in "heap" form in a dense array.  The root (first level)
+ * of the hierarchy is in ->node[0] (referenced by ->level[0]), the second
+ * level in ->node[1] through ->node[m] (->node[1] referenced by ->level[1]),
+ * and the third level in ->node[m+1] and following (->node[m+1] referenced
+ * by ->level[2]).  The number of levels is determined by the number of
+ * CPUs and by CONFIG_RCU_FANOUT.  Small systems will have a "hierarchy"
+ * consisting of a single rcu_node.
+ */
+struct rcu_state {
+        struct rcu_node node[NUM_RCU_NODES];    /* Hierarchy. */
+        struct rcu_node *level[NUM_RCU_LVLS];   /* Hierarchy levels. */
+        u32 levelcnt[MAX_RCU_LVLS + 1];         /* # nodes in each level. */
+        u8 levelspread[NUM_RCU_LVLS];           /* kids/node in each level. */
+        struct rcu_data *rda[NR_CPUS];          /* array of rdp pointers. */
+
+        /* The following fields are guarded by the root rcu_node's lock. */
+
+        u8      signaled ____cacheline_internodealigned_in_smp;
+                                                /* Force QS state. */
+        long    gpnum;                          /* Current gp number. */
+        long    completed;                      /* # of last completed gp. */
+        spinlock_t onofflock;                   /* exclude on/offline and */
+                                                /*  starting new GP. */
+        spinlock_t fqslock;                     /* Only one task forcing */
+                                                /*  quiescent states. */
+        unsigned long jiffies_force_qs;         /* Time at which to invoke */
+                                                /*  force_quiescent_state(). */
+        unsigned long n_force_qs;               /* Number of calls to */
+                                                /*  force_quiescent_state(). */
+        unsigned long n_force_qs_lh;            /* ~Number of calls leaving */
+                                                /*  due to lock unavailable. */
+        unsigned long n_force_qs_ngp;           /* Number of calls leaving */
+                                                /*  due to no GP active. */
+#ifdef CONFIG_RCU_CPU_STALL_DETECTOR
+        unsigned long gp_start;                 /* Time at which GP started, */
+                                                /*  but in jiffies. */
+        unsigned long jiffies_stall;            /* Time at which to check */
+                                                /*  for CPU stalls. */
+#endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
+#ifdef CONFIG_NO_HZ
+        long dynticks_completed;                /* Value of completed @ snap. */
+#endif /* #ifdef CONFIG_NO_HZ */
+};
+
+extern struct rcu_state rcu_state;
+DECLARE_PER_CPU(struct rcu_data, rcu_data);
+
+extern struct rcu_state rcu_bh_state;
+DECLARE_PER_CPU(struct rcu_data, rcu_bh_data);
+
+/*
+ * Increment the quiescent state counter.
+ * The counter is a bit degenerated: We do not need to know
+ * how many quiescent states passed, just if there was at least
+ * one since the start of the grace period. Thus just a flag.
+ */
+static inline void rcu_qsctr_inc(int cpu)
+{
+        struct rcu_data *rdp = &per_cpu(rcu_data, cpu);
+        rdp->passed_quiesc = 1;
+        rdp->passed_quiesc_completed = rdp->completed;
+}
+static inline void rcu_bh_qsctr_inc(int cpu)
+{
+        struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu);
+        rdp->passed_quiesc = 1;
+        rdp->passed_quiesc_completed = rdp->completed;
+}
+
+extern int rcu_pending(int cpu);
+extern int rcu_needs_cpu(int cpu);
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+extern struct lockdep_map rcu_lock_map;
+# define rcu_read_acquire()     \
+                        lock_acquire(&rcu_lock_map, 0, 0, 2, 1, NULL, _THIS_IP_)
+# define rcu_read_release()     lock_release(&rcu_lock_map, 1, _THIS_IP_)
+#else
+# define rcu_read_acquire()     do { } while (0)
+# define rcu_read_release()     do { } while (0)
+#endif
+
+static inline void __rcu_read_lock(void)
+{
+        preempt_disable();
+        __acquire(RCU);
+        rcu_read_acquire();
+}
+static inline void __rcu_read_unlock(void)
+{
+        rcu_read_release();
+        __release(RCU);
+        preempt_enable();
+}
+static inline void __rcu_read_lock_bh(void)
+{
+        local_bh_disable();
+        __acquire(RCU_BH);
+        rcu_read_acquire();
+}
+static inline void __rcu_read_unlock_bh(void)
+{
+        rcu_read_release();
+        __release(RCU_BH);
+        local_bh_enable();
+}
+
+#define __synchronize_sched() synchronize_rcu()
+
+#define call_rcu_sched(head, func) call_rcu(head, func)
+
+static inline void rcu_init_sched(void)
+{
+}
+
+extern void __rcu_init(void);
+extern void rcu_check_callbacks(int cpu, int user);
+extern void rcu_restart_cpu(int cpu);
+
+extern long rcu_batches_completed(void);
+extern long rcu_batches_completed_bh(void);
+
+#ifdef CONFIG_NO_HZ
+void rcu_enter_nohz(void);
+void rcu_exit_nohz(void);
+#else /* CONFIG_NO_HZ */
+static inline void rcu_enter_nohz(void)
+{
+}
+static inline void rcu_exit_nohz(void)
+{
+}
+#endif /* CONFIG_NO_HZ */
+
+#endif /* __LINUX_RCUTREE_H */
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index d363467c8f13..b3b359660082 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -118,6 +118,8 @@ void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu);
 
 unsigned long ring_buffer_entries(struct ring_buffer *buffer);
 unsigned long ring_buffer_overruns(struct ring_buffer *buffer);
+unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu);
+unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu);
 
 u64 ring_buffer_time_stamp(int cpu);
 void ring_buffer_normalize_time_stamp(int cpu, u64 *ts);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8395e715809d..158d53d07765 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -250,7 +250,7 @@ extern void init_idle_bootup_task(struct task_struct *idle);
 extern int runqueue_is_locked(void);
 extern void task_rq_unlock_wait(struct task_struct *p);
 
-extern cpumask_t nohz_cpu_mask;
+extern cpumask_var_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
 extern int select_nohz_load_balancer(int cpu);
 #else
@@ -758,20 +758,51 @@ enum cpu_idle_type {
 #define SD_SERIALIZE            1024    /* Only a single load balancing instance */
 #define SD_WAKE_IDLE_FAR        2048    /* Gain latency sacrificing cache hit */
 
-#define BALANCE_FOR_MC_POWER    \
-        (sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
+enum powersavings_balance_level {
+        POWERSAVINGS_BALANCE_NONE = 0,  /* No power saving load balance */
+        POWERSAVINGS_BALANCE_BASIC,     /* Fill one thread/core/package
+                                         * first for long running threads
+                                         */
+        POWERSAVINGS_BALANCE_WAKEUP,    /* Also bias task wakeups to semi-idle
+                                         * cpu package for power savings
+                                         */
+        MAX_POWERSAVINGS_BALANCE_LEVELS
+};
 
-#define BALANCE_FOR_PKG_POWER   \
-        ((sched_mc_power_savings || sched_smt_power_savings) ?  \
-         SD_POWERSAVINGS_BALANCE : 0)
+extern int sched_mc_power_savings, sched_smt_power_savings;
 
-#define test_sd_parent(sd, flag)        ((sd->parent &&         \
-                                         (sd->parent->flags & flag)) ? 1 : 0)
+static inline int sd_balance_for_mc_power(void)
+{
+        if (sched_smt_power_savings)
+                return SD_POWERSAVINGS_BALANCE;
 
+        return 0;
+}
+
+static inline int sd_balance_for_package_power(void)
+{
+        if (sched_mc_power_savings | sched_smt_power_savings)
+                return SD_POWERSAVINGS_BALANCE;
+
+        return 0;
+}
+
+/*
+ * Optimise SD flags for power savings:
+ * SD_BALANCE_NEWIDLE helps agressive task consolidation and power savings.
+ * Keep default SD flags if sched_{smt,mc}_power_saving=0
+ */
+
+static inline int sd_power_saving_flags(void)
+{
+        if (sched_mc_power_savings | sched_smt_power_savings)
+                return SD_BALANCE_NEWIDLE;
+
+        return 0;
+}
 
 struct sched_group {
         struct sched_group *next;       /* Must be a circular list */
-        cpumask_t cpumask;
 
         /*
          * CPU power of this group, SCHED_LOAD_SCALE being max power for a
@@ -784,8 +815,15 @@ struct sched_group {
          * (see include/linux/reciprocal_div.h)
          */
         u32 reciprocal_cpu_power;
+
+        unsigned long cpumask[];
 };
 
+static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
+{
+        return to_cpumask(sg->cpumask);
+}
+
 enum sched_domain_level {
         SD_LV_NONE = 0,
         SD_LV_SIBLING,
@@ -809,7 +847,6 @@ struct sched_domain {
         struct sched_domain *parent;    /* top domain must be null terminated */
         struct sched_domain *child;     /* bottom domain must be null terminated */
         struct sched_group *groups;     /* the balancing groups of the domain */
-        cpumask_t span;                 /* span of all CPUs in this domain */
         unsigned long min_interval;     /* Minimum balance interval ms */
         unsigned long max_interval;     /* Maximum balance interval ms */
         unsigned int busy_factor;       /* less balancing by factor if busy */
@@ -864,18 +901,35 @@ struct sched_domain {
 #ifdef CONFIG_SCHED_DEBUG
         char *name;
 #endif
+
+        /* span of all CPUs in this domain */
+        unsigned long span[];
 };
 
-extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+static inline struct cpumask *sched_domain_span(struct sched_domain *sd)
+{
+        return to_cpumask(sd->span);
+}
+
+extern void partition_sched_domains(int ndoms_new, struct cpumask *doms_new,
                                     struct sched_domain_attr *dattr_new);
 extern int arch_reinit_sched_domains(void);
 
+/* Test a flag in parent sched domain */
+static inline int test_sd_parent(struct sched_domain *sd, int flag)
+{
+        if (sd->parent && (sd->parent->flags & flag))
+                return 1;
+
+        return 0;
+}
+
 #else /* CONFIG_SMP */
 
 struct sched_domain_attr;
 
 static inline void
-partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+partition_sched_domains(int ndoms_new, struct cpumask *doms_new,
                         struct sched_domain_attr *dattr_new)
 {
 }
@@ -926,7 +980,7 @@ struct sched_class {
         void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
 
         void (*set_cpus_allowed)(struct task_struct *p,
-                                 const cpumask_t *newmask);
+                                 const struct cpumask *newmask);
 
         void (*rq_online)(struct rq *rq);
         void (*rq_offline)(struct rq *rq);
@@ -1579,12 +1633,12 @@ extern cputime_t task_gtime(struct task_struct *p);
 
 #ifdef CONFIG_SMP
 extern int set_cpus_allowed_ptr(struct task_struct *p,
-                                const cpumask_t *new_mask);
+                                const struct cpumask *new_mask);
 #else
 static inline int set_cpus_allowed_ptr(struct task_struct *p,
-                                       const cpumask_t *new_mask)
+                                       const struct cpumask *new_mask)
 {
-        if (!cpu_isset(0, *new_mask))
+        if (!cpumask_test_cpu(0, new_mask))
                 return -EINVAL;
         return 0;
 }
@@ -2195,10 +2249,8 @@ __trace_special(void *__tr, void *__data,
 }
 #endif
 
-extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
-extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
-
-extern int sched_mc_power_savings, sched_smt_power_savings;
+extern long sched_setaffinity(pid_t pid, const struct cpumask *new_mask);
+extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
 
 extern void normalize_rt_tasks(void);
 
diff --git a/include/linux/security.h b/include/linux/security.h
index 3416cb85e77b..b92b5e453f64 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -335,17 +335,37 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dir contains the inode structure of the parent directory of the new link.
  *      @new_dentry contains the dentry structure for the new link.
  *      Return 0 if permission is granted.
+ * @path_link:
+ *      Check permission before creating a new hard link to a file.
+ *      @old_dentry contains the dentry structure for an existing link
+ *      to the file.
+ *      @new_dir contains the path structure of the parent directory of
+ *      the new link.
+ *      @new_dentry contains the dentry structure for the new link.
+ *      Return 0 if permission is granted.
  * @inode_unlink:
  *      Check the permission to remove a hard link to a file.
  *      @dir contains the inode structure of parent directory of the file.
  *      @dentry contains the dentry structure for file to be unlinked.
  *      Return 0 if permission is granted.
+ * @path_unlink:
+ *      Check the permission to remove a hard link to a file.
+ *      @dir contains the path structure of parent directory of the file.
+ *      @dentry contains the dentry structure for file to be unlinked.
+ *      Return 0 if permission is granted.
  * @inode_symlink:
  *      Check the permission to create a symbolic link to a file.
  *      @dir contains the inode structure of parent directory of the symbolic link.
  *      @dentry contains the dentry structure of the symbolic link.
  *      @old_name contains the pathname of file.
  *      Return 0 if permission is granted.
+ * @path_symlink:
+ *      Check the permission to create a symbolic link to a file.
+ *      @dir contains the path structure of parent directory of
+ *      the symbolic link.
+ *      @dentry contains the dentry structure of the symbolic link.
+ *      @old_name contains the pathname of file.
+ *      Return 0 if permission is granted.
  * @inode_mkdir:
  *      Check permissions to create a new directory in the existing directory
  *      associated with inode strcture @dir.
@@ -353,11 +373,25 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dentry contains the dentry structure of new directory.
  *      @mode contains the mode of new directory.
  *      Return 0 if permission is granted.
+ * @path_mkdir:
+ *      Check permissions to create a new directory in the existing directory
+ *      associated with path strcture @path.
+ *      @dir containst the path structure of parent of the directory
+ *      to be created.
+ *      @dentry contains the dentry structure of new directory.
+ *      @mode contains the mode of new directory.
+ *      Return 0 if permission is granted.
  * @inode_rmdir:
  *      Check the permission to remove a directory.
  *      @dir contains the inode structure of parent of the directory to be removed.
  *      @dentry contains the dentry structure of directory to be removed.
  *      Return 0 if permission is granted.
+ * @path_rmdir:
+ *      Check the permission to remove a directory.
+ *      @dir contains the path structure of parent of the directory to be
+ *      removed.
+ *      @dentry contains the dentry structure of directory to be removed.
+ *      Return 0 if permission is granted.
  * @inode_mknod:
  *      Check permissions when creating a special file (or a socket or a fifo
  *      file created via the mknod system call).  Note that if mknod operation
@@ -368,6 +402,15 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @mode contains the mode of the new file.
  *      @dev contains the device number.
  *      Return 0 if permission is granted.
+ * @path_mknod:
+ *      Check permissions when creating a file. Note that this hook is called
+ *      even if mknod operation is being done for a regular file.
+ *      @dir contains the path structure of parent of the new file.
+ *      @dentry contains the dentry structure of the new file.
+ *      @mode contains the mode of the new file.
+ *      @dev contains the undecoded device number. Use new_decode_dev() to get
+ *      the decoded device number.
+ *      Return 0 if permission is granted.
  * @inode_rename:
  *      Check for permission to rename a file or directory.
  *      @old_dir contains the inode structure for parent of the old link.
@@ -375,6 +418,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @new_dir contains the inode structure for parent of the new link.
  *      @new_dentry contains the dentry structure of the new link.
  *      Return 0 if permission is granted.
+ * @path_rename:
+ *      Check for permission to rename a file or directory.
+ *      @old_dir contains the path structure for parent of the old link.
+ *      @old_dentry contains the dentry structure of the old link.
+ *      @new_dir contains the path structure for parent of the new link.
+ *      @new_dentry contains the dentry structure of the new link.
+ *      Return 0 if permission is granted.
  * @inode_readlink:
  *      Check the permission to read the symbolic link.
  *      @dentry contains the dentry structure for the file link.
@@ -403,6 +453,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dentry contains the dentry structure for the file.
  *      @attr is the iattr structure containing the new file attributes.
  *      Return 0 if permission is granted.
+ * @path_truncate:
+ *      Check permission before truncating a file.
+ *      @path contains the path structure for the file.
+ *      @length is the new length of the file.
+ *      @time_attrs is the flags passed to do_truncate().
+ *      Return 0 if permission is granted.
  * @inode_getattr:
  *      Check permission before obtaining file attributes.
  *      @mnt is the vfsmount where the dentry was looked up
@@ -1331,6 +1387,22 @@ struct security_operations {
                                    struct super_block *newsb);
         int (*sb_parse_opts_str) (char *options, struct security_mnt_opts *opts);
 
+#ifdef CONFIG_SECURITY_PATH
+        int (*path_unlink) (struct path *dir, struct dentry *dentry);
+        int (*path_mkdir) (struct path *dir, struct dentry *dentry, int mode);
+        int (*path_rmdir) (struct path *dir, struct dentry *dentry);
+        int (*path_mknod) (struct path *dir, struct dentry *dentry, int mode,
+                           unsigned int dev);
+        int (*path_truncate) (struct path *path, loff_t length,
+                              unsigned int time_attrs);
+        int (*path_symlink) (struct path *dir, struct dentry *dentry,
+                             const char *old_name);
+        int (*path_link) (struct dentry *old_dentry, struct path *new_dir,
+                          struct dentry *new_dentry);
+        int (*path_rename) (struct path *old_dir, struct dentry *old_dentry,
+                            struct path *new_dir, struct dentry *new_dentry);
+#endif
+
         int (*inode_alloc_security) (struct inode *inode);
         void (*inode_free_security) (struct inode *inode);
         int (*inode_init_security) (struct inode *inode, struct inode *dir,
@@ -2705,6 +2777,71 @@ static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi
 
 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
 
+#ifdef CONFIG_SECURITY_PATH
+int security_path_unlink(struct path *dir, struct dentry *dentry);
+int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode);
+int security_path_rmdir(struct path *dir, struct dentry *dentry);
+int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
+                        unsigned int dev);
+int security_path_truncate(struct path *path, loff_t length,
+                           unsigned int time_attrs);
+int security_path_symlink(struct path *dir, struct dentry *dentry,
+                          const char *old_name);
+int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+                       struct dentry *new_dentry);
+int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
+                         struct path *new_dir, struct dentry *new_dentry);
+#else   /* CONFIG_SECURITY_PATH */
+static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
+{
+        return 0;
+}
+
+static inline int security_path_mkdir(struct path *dir, struct dentry *dentry,
+                                      int mode)
+{
+        return 0;
+}
+
+static inline int security_path_rmdir(struct path *dir, struct dentry *dentry)
+{
+        return 0;
+}
+
+static inline int security_path_mknod(struct path *dir, struct dentry *dentry,
+                                      int mode, unsigned int dev)
+{
+        return 0;
+}
+
+static inline int security_path_truncate(struct path *path, loff_t length,
+                                         unsigned int time_attrs)
+{
+        return 0;
+}
+
+static inline int security_path_symlink(struct path *dir, struct dentry *dentry,
+                                        const char *old_name)
+{
+        return 0;
+}
+
+static inline int security_path_link(struct dentry *old_dentry,
+                                     struct path *new_dir,
+                                     struct dentry *new_dentry)
+{
+        return 0;
+}
+
+static inline int security_path_rename(struct path *old_dir,
+                                       struct dentry *old_dentry,
+                                       struct path *new_dir,
+                                       struct dentry *new_dentry)
+{
+        return 0;
+}
+#endif  /* CONFIG_SECURITY_PATH */
+
 #ifdef CONFIG_KEYS
 #ifdef CONFIG_SECURITY
 
diff --git a/include/linux/serial.h b/include/linux/serial.h
index 1ea8d9265bf6..9136cc5608c3 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -10,8 +10,9 @@
 #ifndef _LINUX_SERIAL_H
 #define _LINUX_SERIAL_H
 
-#ifdef __KERNEL__
 #include <linux/types.h>
+
+#ifdef __KERNEL__
 #include <asm/page.h>
 
 /*
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 3d37c94abbc8..d4d2a78ad43e 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -28,6 +28,9 @@ struct plat_serial8250_port {
         unsigned char   iotype;         /* UPIO_* */
         unsigned char   hub6;
         upf_t           flags;          /* UPF_* flags */
+        unsigned int    type;           /* If UPF_FIXED_TYPE */
+        unsigned int    (*serial_in)(struct uart_port *, int);
+        void            (*serial_out)(struct uart_port *, int, int);
 };
 
 /*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 4e4f1277f3bf..b4199841f1fc 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -40,7 +40,8 @@
 #define PORT_NS16550A   14
 #define PORT_XSCALE     15
 #define PORT_RM9000     16      /* PMC-Sierra RM9xxx internal UART */
-#define PORT_MAX_8250   16      /* max port ID */
+#define PORT_OCTEON     17      /* Cavium OCTEON internal UART */
+#define PORT_MAX_8250   17      /* max port ID */
 
 /*
  * ARM specific type numbers.  These are not currently guaranteed
@@ -158,6 +159,8 @@
 /* SH-SCI */
 #define PORT_SCIFA      83
 
+#define PORT_S3C6400    84
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
@@ -246,6 +249,8 @@ struct uart_port {
         spinlock_t              lock;                   /* port lock */
         unsigned long           iobase;                 /* in/out[bwl] */
         unsigned char __iomem   *membase;               /* read/write[bwl] */
+        unsigned int            (*serial_in)(struct uart_port *, int);
+        void                    (*serial_out)(struct uart_port *, int, int);
         unsigned int            irq;                    /* irq number */
         unsigned int            uartclk;                /* base uart clock */
         unsigned int            fifosize;               /* tx fifo size */
@@ -291,6 +296,8 @@ struct uart_port {
 #define UPF_MAGIC_MULTIPLIER    ((__force upf_t) (1 << 16))
 #define UPF_CONS_FLOW           ((__force upf_t) (1 << 23))
 #define UPF_SHARE_IRQ           ((__force upf_t) (1 << 24))
+/* The exact UART type is known and should not be probed.  */
+#define UPF_FIXED_TYPE          ((__force upf_t) (1 << 27))
 #define UPF_BOOT_AUTOCONF       ((__force upf_t) (1 << 28))
 #define UPF_FIXED_PORT          ((__force upf_t) (1 << 29))
 #define UPF_DEAD                ((__force upf_t) (1 << 30))
@@ -314,35 +321,13 @@ struct uart_port {
 };
 
 /*
- * This is the state information which is persistent across opens.
- * The low level driver must not to touch any elements contained
- * within.
- */
-struct uart_state {
-        unsigned int            close_delay;            /* msec */
-        unsigned int            closing_wait;           /* msec */
-
-#define USF_CLOSING_WAIT_INF    (0)
-#define USF_CLOSING_WAIT_NONE   (~0U)
-
-        int                     count;
-        int                     pm_state;
-        struct uart_info        *info;
-        struct uart_port        *port;
-
-        struct mutex            mutex;
-};
-
-#define UART_XMIT_SIZE  PAGE_SIZE
-
-typedef unsigned int __bitwise__ uif_t;
-
-/*
  * This is the state information which is only valid when the port
- * is open; it may be freed by the core driver once the device has
+ * is open; it may be cleared the core driver once the device has
  * been closed.  Either the low level driver or the core can modify
  * stuff here.
  */
+typedef unsigned int __bitwise__ uif_t;
+
 struct uart_info {
         struct tty_port         port;
         struct circ_buf         xmit;
@@ -364,6 +349,29 @@ struct uart_info {
         wait_queue_head_t       delta_msr_wait;
 };
 
+/*
+ * This is the state information which is persistent across opens.
+ * The low level driver must not to touch any elements contained
+ * within.
+ */
+struct uart_state {
+        unsigned int            close_delay;            /* msec */
+        unsigned int            closing_wait;           /* msec */
+
+#define USF_CLOSING_WAIT_INF    (0)
+#define USF_CLOSING_WAIT_NONE   (~0U)
+
+        int                     count;
+        int                     pm_state;
+        struct uart_info        info;
+        struct uart_port        *port;
+
+        struct mutex            mutex;
+};
+
+#define UART_XMIT_SIZE  PAGE_SIZE
+
+
 /* number of characters left in xmit buffer before we ask for more */
 #define WAKEUP_CHARS            256
 
@@ -437,8 +445,13 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
 #define uart_circ_chars_free(circ)      \
         (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
 
-#define uart_tx_stopped(portp)          \
-        ((portp)->info->port.tty->stopped || (portp)->info->port.tty->hw_stopped)
+static inline int uart_tx_stopped(struct uart_port *port)
+{
+        struct tty_struct *tty = port->info->port.tty;
+        if(tty->stopped || tty->hw_stopped)
+                return 1;
+        return 0;
+}
 
 /*
  * The following are helper functions for the low level drivers.
@@ -449,7 +462,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
 #ifdef SUPPORT_SYSRQ
         if (port->sysrq) {
                 if (ch && time_before(jiffies, port->sysrq)) {
-                        handle_sysrq(ch, port->info ? port->info->port.tty : NULL);
+                        handle_sysrq(ch, port->info->port.tty);
                         port->sysrq = 0;
                         return 1;
                 }
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 000da12b5cf0..f96d13c281e8 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -253,9 +253,9 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
  * request comes from.
  */
 #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB)
-extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
+extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
 #define kmalloc_track_caller(size, flags) \
-        __kmalloc_track_caller(size, flags, __builtin_return_address(0))
+        __kmalloc_track_caller(size, flags, _RET_IP_)
 #else
 #define kmalloc_track_caller(size, flags) \
         __kmalloc(size, flags)
@@ -271,10 +271,10 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
  * allocation request comes from.
  */
 #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB)
-extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
+extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
 #define kmalloc_node_track_caller(size, flags, node) \
         __kmalloc_node_track_caller(size, flags, node, \
-                        __builtin_return_address(0))
+                        _RET_IP_)
 #else
 #define kmalloc_node_track_caller(size, flags, node) \
         __kmalloc_node(size, flags, node)
@@ -285,7 +285,7 @@ extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
 #define kmalloc_node_track_caller(size, flags, node) \
         kmalloc_track_caller(size, flags)
 
-#endif /* DEBUG_SLAB */
+#endif /* CONFIG_NUMA */
 
 /*
  * Shortcuts
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6f0ee1b84a4f..c39a21040dcb 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -58,6 +58,7 @@ struct rpc_clnt {
         struct rpc_timeout      cl_timeout_default;
         struct rpc_program *    cl_program;
         char                    cl_inline_name[32];
+        char                    *cl_principal;  /* target to authenticate to */
 };
 
 /*
@@ -108,6 +109,7 @@ struct rpc_create_args {
         u32                     version;
         rpc_authflavor_t        authflavor;
         unsigned long           flags;
+        char                    *client_name;
 };
 
 /* Values for "flags" field */
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index 51b977a4ca20..cea764c2359f 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -15,6 +15,7 @@ struct rpc_pipe_ops {
         ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t);
         ssize_t (*downcall)(struct file *, const char __user *, size_t);
         void (*release_pipe)(struct inode *);
+        int (*open_pipe)(struct inode *);
         void (*destroy_msg)(struct rpc_pipe_msg *);
 };
 
diff --git a/include/linux/sunrpc/svcauth_gss.h b/include/linux/sunrpc/svcauth_gss.h
index c9165d9771a8..ca7d725861fc 100644
--- a/include/linux/sunrpc/svcauth_gss.h
+++ b/include/linux/sunrpc/svcauth_gss.h
@@ -20,6 +20,7 @@ int gss_svc_init(void);
 void gss_svc_shutdown(void);
 int svcauth_gss_register_pseudoflavor(u32 pseudoflavor, char * name);
 u32 svcauth_gss_flavor(struct auth_domain *dom);
+char *svc_gss_principal(struct svc_rqst *);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_SVCAUTH_GSS_H */
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index e4057d729f03..49e1eb454465 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -37,21 +37,6 @@ struct xdr_netobj {
 typedef int     (*kxdrproc_t)(void *rqstp, __be32 *data, void *obj);
 
 /*
- * We're still requiring the BKL in the xdr code until it's been
- * more carefully audited, at which point this wrapper will become
- * unnecessary.
- */
-static inline int rpc_call_xdrproc(kxdrproc_t xdrproc, void *rqstp, __be32 *data, void *obj)
-{
-        int ret;
-
-        lock_kernel();
-        ret = xdrproc(rqstp, data, obj);
-        unlock_kernel();
-        return ret;
-}
-
-/*
  * Basic structure for transmission/reception of a client XDR message.
  * Features a header (for a linear buffer containing RPC headers
  * and the data payload for short messages), and then an array of
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 4d80a118d538..11fc71d50c1e 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -76,8 +76,7 @@ struct rpc_rqst {
         struct list_head        rq_list;
 
         __u32 *                 rq_buffer;      /* XDR encode buffer */
-        size_t                  rq_bufsize,
-                                rq_callsize,
+        size_t                  rq_callsize,
                                 rq_rcvsize;
 
         struct xdr_buf          rq_private_buf;         /* The receive buffer
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index b18ec5533e8c..325af1de0351 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -7,9 +7,31 @@ struct device;
 struct dma_attrs;
 struct scatterlist;
 
+/*
+ * Maximum allowable number of contiguous slabs to map,
+ * must be a power of 2.  What is the appropriate value ?
+ * The complexity of {map,unmap}_single is linearly dependent on this value.
+ */
+#define IO_TLB_SEGSIZE  128
+
+
+/*
+ * log of the size of each IO TLB slab.  The number of slabs is command line
+ * controllable.
+ */
+#define IO_TLB_SHIFT 11
+
 extern void
 swiotlb_init(void);
 
+extern void *swiotlb_alloc_boot(size_t bytes, unsigned long nslabs);
+extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
+
+extern dma_addr_t swiotlb_phys_to_bus(phys_addr_t address);
+extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);
+
+extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size);
+
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
                         dma_addr_t *dma_handle, gfp_t flags);
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 9007313b5b71..998a55d80acf 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -53,47 +53,11 @@
 #ifndef _LINUX_TIMEX_H
 #define _LINUX_TIMEX_H
 
-#include <linux/compiler.h>
 #include <linux/time.h>
 
-#include <asm/param.h>
-
 #define NTP_API         4       /* NTP API version */
 
 /*
- * SHIFT_KG and SHIFT_KF establish the damping of the PLL and are chosen
- * for a slightly underdamped convergence characteristic. SHIFT_KH
- * establishes the damping of the FLL and is chosen by wisdom and black
- * art.
- *
- * MAXTC establishes the maximum time constant of the PLL. With the
- * SHIFT_KG and SHIFT_KF values given and a time constant range from
- * zero to MAXTC, the PLL will converge in 15 minutes to 16 hours,
- * respectively.
- */
-#define SHIFT_PLL       4       /* PLL frequency factor (shift) */
-#define SHIFT_FLL       2       /* FLL frequency factor (shift) */
-#define MAXTC           10      /* maximum time constant (shift) */
-
-/*
- * SHIFT_USEC defines the scaling (shift) of the time_freq and
- * time_tolerance variables, which represent the current frequency
- * offset and maximum frequency tolerance.
- */
-#define SHIFT_USEC 16           /* frequency offset scale (shift) */
-#define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
-#define PPM_SCALE_INV_SHIFT 19
-#define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
-                       PPM_SCALE + 1)
-
-#define MAXPHASE 500000000l     /* max phase error (ns) */
-#define MAXFREQ 500000          /* max frequency error (ns/s) */
-#define MAXFREQ_SCALED ((s64)MAXFREQ << NTP_SCALE_SHIFT)
-#define MINSEC 256              /* min interval between updates (s) */
-#define MAXSEC 2048             /* max interval between updates (s) */
-#define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */
-
-/*
  * syscall interface - used (mainly by NTP daemon)
  * to discipline kernel clock oscillator
  */
@@ -199,9 +163,46 @@ struct timex {
 #define TIME_BAD        TIME_ERROR /* bw compat */
 
 #ifdef __KERNEL__
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <linux/param.h>
+
 #include <asm/timex.h>
 
 /*
+ * SHIFT_KG and SHIFT_KF establish the damping of the PLL and are chosen
+ * for a slightly underdamped convergence characteristic. SHIFT_KH
+ * establishes the damping of the FLL and is chosen by wisdom and black
+ * art.
+ *
+ * MAXTC establishes the maximum time constant of the PLL. With the
+ * SHIFT_KG and SHIFT_KF values given and a time constant range from
+ * zero to MAXTC, the PLL will converge in 15 minutes to 16 hours,
+ * respectively.
+ */
+#define SHIFT_PLL       4       /* PLL frequency factor (shift) */
+#define SHIFT_FLL       2       /* FLL frequency factor (shift) */
+#define MAXTC           10      /* maximum time constant (shift) */
+
+/*
+ * SHIFT_USEC defines the scaling (shift) of the time_freq and
+ * time_tolerance variables, which represent the current frequency
+ * offset and maximum frequency tolerance.
+ */
+#define SHIFT_USEC 16           /* frequency offset scale (shift) */
+#define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
+#define PPM_SCALE_INV_SHIFT 19
+#define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
+                       PPM_SCALE + 1)
+
+#define MAXPHASE 500000000l     /* max phase error (ns) */
+#define MAXFREQ 500000          /* max frequency error (ns/s) */
+#define MAXFREQ_SCALED ((s64)MAXFREQ << NTP_SCALE_SHIFT)
+#define MINSEC 256              /* min interval between updates (s) */
+#define MAXSEC 2048             /* max interval between updates (s) */
+#define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */
+
+/*
  * kernel variables
  * Note: maximum error = NTP synch distance = dispersion + delay / 2;
  * estimated error = NTP dispersion.
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 0c5b5ac36d8e..e632d29f0544 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -125,7 +125,8 @@ int arch_update_cpu_topology(void);
                                 | SD_WAKE_AFFINE        \
                                 | SD_WAKE_BALANCE       \
                                 | SD_SHARE_PKG_RESOURCES\
-                                | BALANCE_FOR_MC_POWER, \
+                                | sd_balance_for_mc_power()\
+                                | sd_power_saving_flags(),\
         .last_balance           = jiffies,              \
         .balance_interval       = 1,                    \
 }
@@ -150,7 +151,8 @@ int arch_update_cpu_topology(void);
                                 | SD_BALANCE_FORK       \
                                 | SD_WAKE_AFFINE        \
                                 | SD_WAKE_BALANCE       \
-                                | BALANCE_FOR_PKG_POWER,\
+                                | sd_balance_for_package_power()\
+                                | sd_power_saving_flags(),\
         .last_balance           = jiffies,              \
         .balance_interval       = 1,                    \
 }
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 3f4954c55e53..fc39db95499f 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -180,8 +180,17 @@ struct signal_struct;
  * until a hangup so don't use the wrong path.
  */
 
+struct tty_port;
+
+struct tty_port_operations {
+        /* Return 1 if the carrier is raised */
+        int (*carrier_raised)(struct tty_port *port);
+        void (*raise_dtr_rts)(struct tty_port *port);
+};
+        
 struct tty_port {
         struct tty_struct       *tty;           /* Back pointer */
+        const struct tty_port_operations *ops;  /* Port operations */
         spinlock_t              lock;           /* Lock protecting tty field */
         int                     blocked_open;   /* Waiting to open */
         int                     count;          /* Usage count */
@@ -253,6 +262,7 @@ struct tty_struct {
         unsigned int column;
         unsigned char lnext:1, erasing:1, raw:1, real_raw:1, icanon:1;
         unsigned char closing:1;
+        unsigned char echo_overrun:1;
         unsigned short minimum_to_wake;
         unsigned long overrun_time;
         int num_overrun;
@@ -262,11 +272,16 @@ struct tty_struct {
         int read_tail;
         int read_cnt;
         unsigned long read_flags[N_TTY_BUF_SIZE/(8*sizeof(unsigned long))];
+        unsigned char *echo_buf;
+        unsigned int echo_pos;
+        unsigned int echo_cnt;
         int canon_data;
         unsigned long canon_head;
         unsigned int canon_column;
         struct mutex atomic_read_lock;
         struct mutex atomic_write_lock;
+        struct mutex output_lock;
+        struct mutex echo_lock;
         unsigned char *write_buf;
         int write_cnt;
         spinlock_t read_lock;
@@ -295,6 +310,7 @@ struct tty_struct {
 #define TTY_PUSH                6       /* n_tty private */
 #define TTY_CLOSING             7       /* ->close() in progress */
 #define TTY_LDISC               9       /* Line discipline attached */
+#define TTY_LDISC_CHANGING      10      /* Line discipline changing */
 #define TTY_HW_COOK_OUT         14      /* Hardware can do output cooking */
 #define TTY_HW_COOK_IN          15      /* Hardware can do input cooking */
 #define TTY_PTY_LOCK            16      /* pty private */
@@ -354,8 +370,7 @@ extern int tty_write_room(struct tty_struct *tty);
 extern void tty_driver_flush_buffer(struct tty_struct *tty);
 extern void tty_throttle(struct tty_struct *tty);
 extern void tty_unthrottle(struct tty_struct *tty);
-extern int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
-                                                struct winsize *ws);
+extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws);
 extern void tty_shutdown(struct tty_struct *tty);
 extern void tty_free_termios(struct tty_struct *tty);
 extern int is_current_pgrp_orphaned(void);
@@ -421,6 +436,14 @@ extern int tty_port_alloc_xmit_buf(struct tty_port *port);
 extern void tty_port_free_xmit_buf(struct tty_port *port);
 extern struct tty_struct *tty_port_tty_get(struct tty_port *port);
 extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty);
+extern int tty_port_carrier_raised(struct tty_port *port);
+extern void tty_port_raise_dtr_rts(struct tty_port *port);
+extern void tty_port_hangup(struct tty_port *port);
+extern int tty_port_block_til_ready(struct tty_port *port,
+                                struct tty_struct *tty, struct file *filp);
+extern int tty_port_close_start(struct tty_port *port,
+                                struct tty_struct *tty, struct file *filp);
+extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
 
 extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
 extern int tty_unregister_ldisc(int disc);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 78416b901589..08e088334dba 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -196,8 +196,7 @@
  *      Optional: If not provided then the write method is called under
  *      the atomic write lock to keep it serialized with the ldisc.
  *
- * int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty,
- *                              unsigned int rows, unsigned int cols);
+ * int (*resize)(struct tty_struct *tty, struct winsize *ws)
  *
  *      Called when a termios request is issued which changes the
  *      requested terminal geometry.
@@ -258,8 +257,7 @@ struct tty_operations {
         int (*tiocmget)(struct tty_struct *tty, struct file *file);
         int (*tiocmset)(struct tty_struct *tty, struct file *file,
                         unsigned int set, unsigned int clear);
-        int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty,
-                                struct winsize *ws);
+        int (*resize)(struct tty_struct *tty, struct winsize *ws);
         int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew);
 #ifdef CONFIG_CONSOLE_POLL
         int (*poll_init)(struct tty_driver *driver, int line, char *options);
diff --git a/include/linux/types.h b/include/linux/types.h
index 1d98330b1f2c..121f349cb7ec 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -135,19 +135,14 @@ typedef		__s64		int64_t;
  *
  * Linux always considers sectors to be 512 bytes long independently
  * of the devices real block size.
+ *
+ * blkcnt_t is the type of the inode's block count.
  */
 #ifdef CONFIG_LBD
 typedef u64 sector_t;
-#else
-typedef unsigned long sector_t;
-#endif
-
-/*
- * The type of the inode's block count.
- */
-#ifdef CONFIG_LSF
 typedef u64 blkcnt_t;
 #else
+typedef unsigned long sector_t;
 typedef unsigned long blkcnt_t;
 #endif
 
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index fec6decfb983..6b58367d145e 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -78,7 +78,7 @@ static inline unsigned long __copy_from_user_nocache(void *to,
                                                         \
                 set_fs(KERNEL_DS);                      \
                 pagefault_disable();                    \
-                ret = __get_user(retval, (__force typeof(retval) __user *)(addr));              \
+                ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval));            \
                 pagefault_enable();                     \
                 set_fs(old_fs);                         \
                 ret;                                    \
diff --git a/include/linux/usb/wusb-wa.h b/include/linux/usb/wusb-wa.h
index a102561e7026..fb7c359bdfba 100644
--- a/include/linux/usb/wusb-wa.h
+++ b/include/linux/usb/wusb-wa.h
@@ -51,6 +51,7 @@ enum {
         WUSB_REQ_GET_TIME       = 25,
         WUSB_REQ_SET_STREAM_IDX = 26,
         WUSB_REQ_SET_WUSB_MAS   = 27,
+        WUSB_REQ_CHAN_STOP      = 28,
 };
 
 
diff --git a/include/linux/uwb.h b/include/linux/uwb.h
index f9ccbd9a2ced..c02128991ff7 100644
--- a/include/linux/uwb.h
+++ b/include/linux/uwb.h
@@ -30,6 +30,7 @@
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/timer.h>
+#include <linux/wait.h>
 #include <linux/workqueue.h>
 #include <linux/uwb/spec.h>
 
@@ -66,6 +67,7 @@ struct uwb_dev {
         struct uwb_dev_addr dev_addr;
         int beacon_slot;
         DECLARE_BITMAP(streams, UWB_NUM_STREAMS);
+        DECLARE_BITMAP(last_availability_bm, UWB_NUM_MAS);
 };
 #define to_uwb_dev(d) container_of(d, struct uwb_dev, dev)
 
@@ -86,12 +88,31 @@ struct uwb_notifs_chain {
         struct mutex mutex;
 };
 
+/* Beacon cache list */
+struct uwb_beca {
+        struct list_head list;
+        size_t entries;
+        struct mutex mutex;
+};
+
+/* Event handling thread. */
+struct uwbd {
+        int pid;
+        struct task_struct *task;
+        wait_queue_head_t wq;
+        struct list_head event_list;
+        spinlock_t event_list_lock;
+};
+
 /**
  * struct uwb_mas_bm - a bitmap of all MAS in a superframe
  * @bm: a bitmap of length #UWB_NUM_MAS
  */
 struct uwb_mas_bm {
         DECLARE_BITMAP(bm, UWB_NUM_MAS);
+        DECLARE_BITMAP(unsafe_bm, UWB_NUM_MAS);
+        int safe;
+        int unsafe;
 };
 
 /**
@@ -117,14 +138,24 @@ struct uwb_mas_bm {
  * FIXME: further target states TBD.
  */
 enum uwb_rsv_state {
-        UWB_RSV_STATE_NONE,
+        UWB_RSV_STATE_NONE = 0,
         UWB_RSV_STATE_O_INITIATED,
         UWB_RSV_STATE_O_PENDING,
         UWB_RSV_STATE_O_MODIFIED,
         UWB_RSV_STATE_O_ESTABLISHED,
+        UWB_RSV_STATE_O_TO_BE_MOVED,
+        UWB_RSV_STATE_O_MOVE_EXPANDING,
+        UWB_RSV_STATE_O_MOVE_COMBINING,
+        UWB_RSV_STATE_O_MOVE_REDUCING,
         UWB_RSV_STATE_T_ACCEPTED,
         UWB_RSV_STATE_T_DENIED,
+        UWB_RSV_STATE_T_CONFLICT,
         UWB_RSV_STATE_T_PENDING,
+        UWB_RSV_STATE_T_EXPANDING_ACCEPTED,
+        UWB_RSV_STATE_T_EXPANDING_CONFLICT,
+        UWB_RSV_STATE_T_EXPANDING_PENDING,
+        UWB_RSV_STATE_T_EXPANDING_DENIED,
+        UWB_RSV_STATE_T_RESIZED,
 
         UWB_RSV_STATE_LAST,
 };
@@ -149,6 +180,12 @@ struct uwb_rsv_target {
         };
 };
 
+struct uwb_rsv_move {
+        struct uwb_mas_bm final_mas;
+        struct uwb_ie_drp *companion_drp_ie;
+        struct uwb_mas_bm companion_mas;
+};
+
 /*
  * Number of streams reserved for reservations targeted at DevAddrs.
  */
@@ -186,6 +223,7 @@ typedef void (*uwb_rsv_cb_f)(struct uwb_rsv *rsv);
  *
  * @status:         negotiation status
  * @stream:         stream index allocated for this reservation
+ * @tiebreaker:     conflict tiebreaker for this reservation
  * @mas:            reserved MAS
  * @drp_ie:         the DRP IE
  * @ie_valid:       true iff the DRP IE matches the reservation parameters
@@ -201,25 +239,29 @@ struct uwb_rsv {
         struct uwb_rc *rc;
         struct list_head rc_node;
         struct list_head pal_node;
+        struct kref kref;
 
         struct uwb_dev *owner;
         struct uwb_rsv_target target;
         enum uwb_drp_type type;
         int max_mas;
         int min_mas;
-        int sparsity;
+        int max_interval;
         bool is_multicast;
 
         uwb_rsv_cb_f callback;
         void *pal_priv;
 
         enum uwb_rsv_state state;
+        bool needs_release_companion_mas;
         u8 stream;
+        u8 tiebreaker;
         struct uwb_mas_bm mas;
         struct uwb_ie_drp *drp_ie;
+        struct uwb_rsv_move mv;
         bool ie_valid;
         struct timer_list timer;
-        bool expired;
+        struct work_struct handle_timeout_work;
 };
 
 static const
@@ -261,6 +303,13 @@ struct uwb_drp_avail {
         bool ie_valid;
 };
 
+struct uwb_drp_backoff_win {
+        u8 window;
+        u8 n;
+        int total_expired;
+        struct timer_list timer;
+        bool can_reserve_extra_mases;
+};
 
 const char *uwb_rsv_state_str(enum uwb_rsv_state state);
 const char *uwb_rsv_type_str(enum uwb_drp_type type);
@@ -276,6 +325,8 @@ void uwb_rsv_terminate(struct uwb_rsv *rsv);
 
 void uwb_rsv_accept(struct uwb_rsv *rsv, uwb_rsv_cb_f cb, void *pal_priv);
 
+void uwb_rsv_get_usable_mas(struct uwb_rsv *orig_rsv, struct uwb_mas_bm *mas);
+
 /**
  * Radio Control Interface instance
  *
@@ -337,23 +388,33 @@ struct uwb_rc {
         u8 ctx_roll;
 
         int beaconing;                  /* Beaconing state [channel number] */
+        int beaconing_forced;
         int scanning;
         enum uwb_scan_type scan_type:3;
         unsigned ready:1;
         struct uwb_notifs_chain notifs_chain;
+        struct uwb_beca uwb_beca;
+
+        struct uwbd uwbd;
 
+        struct uwb_drp_backoff_win bow;
         struct uwb_drp_avail drp_avail;
         struct list_head reservations;
+        struct list_head cnflt_alien_list;
+        struct uwb_mas_bm cnflt_alien_bitmap;
         struct mutex rsvs_mutex;
+        spinlock_t rsvs_lock;
         struct workqueue_struct *rsv_workq;
-        struct work_struct rsv_update_work;
 
+        struct delayed_work rsv_update_work;
+        struct delayed_work rsv_alien_bp_work;
+        int set_drp_ie_pending;
         struct mutex ies_mutex;
         struct uwb_rc_cmd_set_ie *ies;
         size_t ies_capacity;
 
-        spinlock_t pal_lock;
         struct list_head pals;
+        int active_pals;
 
         struct uwb_dbg *dbg;
 };
@@ -361,11 +422,19 @@ struct uwb_rc {
 
 /**
  * struct uwb_pal - a UWB PAL
- * @name:    descriptive name for this PAL (wushc, wlp, etc.).
+ * @name:    descriptive name for this PAL (wusbhc, wlp, etc.).
  * @device:  a device for the PAL.  Used to link the PAL and the radio
  *           controller in sysfs.
+ * @rc:      the radio controller the PAL uses.
+ * @channel_changed: called when the channel used by the radio changes.
+ *           A channel of -1 means the channel has been stopped.
  * @new_rsv: called when a peer requests a reservation (may be NULL if
  *           the PAL cannot accept reservation requests).
+ * @channel: channel being used by the PAL; 0 if the PAL isn't using
+ *           the radio; -1 if the PAL wishes to use the radio but
+ *           cannot.
+ * @debugfs_dir: a debugfs directory which the PAL can use for its own
+ *           debugfs files.
  *
  * A Protocol Adaptation Layer (PAL) is a user of the WiMedia UWB
  * radio platform (e.g., WUSB, WLP or Bluetooth UWB AMP).
@@ -384,12 +453,21 @@ struct uwb_pal {
         struct list_head node;
         const char *name;
         struct device *device;
-        void (*new_rsv)(struct uwb_rsv *rsv);
+        struct uwb_rc *rc;
+
+        void (*channel_changed)(struct uwb_pal *pal, int channel);
+        void (*new_rsv)(struct uwb_pal *pal, struct uwb_rsv *rsv);
+
+        int channel;
+        struct dentry *debugfs_dir;
 };
 
 void uwb_pal_init(struct uwb_pal *pal);
-int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal);
-void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal);
+int uwb_pal_register(struct uwb_pal *pal);
+void uwb_pal_unregister(struct uwb_pal *pal);
+
+int uwb_radio_start(struct uwb_pal *pal);
+void uwb_radio_stop(struct uwb_pal *pal);
 
 /*
  * General public API
@@ -443,8 +521,6 @@ ssize_t uwb_rc_vcmd(struct uwb_rc *rc, const char *cmd_name,
                     struct uwb_rccb *cmd, size_t cmd_size,
                     u8 expected_type, u16 expected_event,
                     struct uwb_rceb **preply);
-ssize_t uwb_rc_get_ie(struct uwb_rc *, struct uwb_rc_evt_get_ie **);
-int uwb_bg_joined(struct uwb_rc *rc);
 
 size_t __uwb_addr_print(char *, size_t, const unsigned char *, int);
 
@@ -520,6 +596,8 @@ void uwb_rc_rm(struct uwb_rc *);
 void uwb_rc_neh_grok(struct uwb_rc *, void *, size_t);
 void uwb_rc_neh_error(struct uwb_rc *, int);
 void uwb_rc_reset_all(struct uwb_rc *rc);
+void uwb_rc_pre_reset(struct uwb_rc *rc);
+void uwb_rc_post_reset(struct uwb_rc *rc);
 
 /**
  * uwb_rsv_is_owner - is the owner of this reservation the RC?
@@ -531,7 +609,9 @@ static inline bool uwb_rsv_is_owner(struct uwb_rsv *rsv)
 }
 
 /**
- * Events generated by UWB that can be passed to any listeners
+ * enum uwb_notifs - UWB events that can be passed to any listeners
+ * @UWB_NOTIF_ONAIR: a new neighbour has joined the beacon group.
+ * @UWB_NOTIF_OFFAIR: a neighbour has left the beacon group.
  *
  * Higher layers can register callback functions with the radio
  * controller using uwb_notifs_register(). The radio controller
@@ -539,8 +619,6 @@ static inline bool uwb_rsv_is_owner(struct uwb_rsv *rsv)
  * nodes when an event occurs.
  */
 enum uwb_notifs {
-        UWB_NOTIF_BG_JOIN = 0,  /* radio controller joined a beacon group */
-        UWB_NOTIF_BG_LEAVE = 1, /* radio controller left a beacon group */
         UWB_NOTIF_ONAIR,
         UWB_NOTIF_OFFAIR,
 };
@@ -652,22 +730,9 @@ static inline int edc_inc(struct edc *err_hist, u16 max_err, u16 timeframe)
 
 /* Information Element handling */
 
-/* For representing the state of writing to a buffer when iterating */
-struct uwb_buf_ctx {
-        char *buf;
-        size_t bytes, size;
-};
-
-typedef int (*uwb_ie_f)(struct uwb_dev *, const struct uwb_ie_hdr *,
-                        size_t, void *);
 struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len);
-ssize_t uwb_ie_for_each(struct uwb_dev *uwb_dev, uwb_ie_f fn, void *data,
-                        const void *buf, size_t size);
-int uwb_ie_dump_hex(struct uwb_dev *, const struct uwb_ie_hdr *,
-                    size_t, void *);
-int uwb_rc_set_ie(struct uwb_rc *, struct uwb_rc_cmd_set_ie *);
-struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len);
-
+int uwb_rc_ie_add(struct uwb_rc *uwb_rc, const struct uwb_ie_hdr *ies, size_t size);
+int uwb_rc_ie_rm(struct uwb_rc *uwb_rc, enum uwb_ie element_id);
 
 /*
  * Transmission statistics
diff --git a/include/linux/uwb/debug-cmd.h b/include/linux/uwb/debug-cmd.h
index 1141f41bab5c..8da004e25628 100644
--- a/include/linux/uwb/debug-cmd.h
+++ b/include/linux/uwb/debug-cmd.h
@@ -32,6 +32,10 @@
 enum uwb_dbg_cmd_type {
         UWB_DBG_CMD_RSV_ESTABLISH = 1,
         UWB_DBG_CMD_RSV_TERMINATE = 2,
+        UWB_DBG_CMD_IE_ADD = 3,
+        UWB_DBG_CMD_IE_RM = 4,
+        UWB_DBG_CMD_RADIO_START = 5,
+        UWB_DBG_CMD_RADIO_STOP = 6,
 };
 
 struct uwb_dbg_cmd_rsv_establish {
@@ -39,18 +43,25 @@ struct uwb_dbg_cmd_rsv_establish {
         __u8  type;
         __u16 max_mas;
         __u16 min_mas;
-        __u8  sparsity;
+        __u8  max_interval;
 };
 
 struct uwb_dbg_cmd_rsv_terminate {
         int index;
 };
 
+struct uwb_dbg_cmd_ie {
+        __u8 data[128];
+        int len;
+};
+
 struct uwb_dbg_cmd {
         __u32 type;
         union {
                 struct uwb_dbg_cmd_rsv_establish rsv_establish;
                 struct uwb_dbg_cmd_rsv_terminate rsv_terminate;
+                struct uwb_dbg_cmd_ie ie_add;
+                struct uwb_dbg_cmd_ie ie_rm;
         };
 };
 
diff --git a/include/linux/uwb/debug.h b/include/linux/uwb/debug.h
deleted file mode 100644
index a86a73fe303f..000000000000
--- a/include/linux/uwb/debug.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Ultra Wide Band
- * Debug Support
- *
- * Copyright (C) 2005-2006 Intel Corporation
- * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- *
- * FIXME: doc
- * Invoke like:
- *
- * #define D_LOCAL 4
- * #include <linux/uwb/debug.h>
- *
- * At the end of your include files.
- */
-#include <linux/types.h>
-
-struct device;
-extern void dump_bytes(struct device *dev, const void *_buf, size_t rsize);
-
-/* Master debug switch; !0 enables, 0 disables */
-#define D_MASTER (!0)
-
-/* Local (per-file) debug switch; #define before #including */
-#ifndef D_LOCAL
-#define D_LOCAL 0
-#endif
-
-#undef __d_printf
-#undef d_fnstart
-#undef d_fnend
-#undef d_printf
-#undef d_dump
-
-#define __d_printf(l, _tag, _dev, f, a...)                              \
-do {                                                                    \
-        struct device *__dev = (_dev);                                  \
-        if (D_MASTER && D_LOCAL >= (l)) {                               \
-                char __head[64] = "";                                   \
-                if (_dev != NULL) {                                     \
-                        if ((unsigned long)__dev < 4096)                \
-                                printk(KERN_ERR "E: Corrupt dev %p\n",  \
-                                        __dev);                         \
-                        else                                            \
-                                snprintf(__head, sizeof(__head),        \
-                                         "%s %s: ",                     \
-                                         dev_driver_string(__dev),      \
-                                         __dev->bus_id);                \
-                }                                                       \
-                printk(KERN_ERR "%s%s" _tag ": " f, __head,             \
-                        __func__, ## a);                                \
-        }                                                               \
-} while (0 && _dev)
-
-#define d_fnstart(l, _dev, f, a...)     \
-        __d_printf(l, " FNSTART", _dev, f, ## a)
-#define d_fnend(l, _dev, f, a...)       \
-        __d_printf(l, " FNEND", _dev, f, ## a)
-#define d_printf(l, _dev, f, a...)      \
-        __d_printf(l, "", _dev, f, ## a)
-#define d_dump(l, _dev, ptr, size)              \
-do {                                            \
-        struct device *__dev = _dev;            \
-        if (D_MASTER && D_LOCAL >= (l))         \
-                dump_bytes(__dev, ptr, size);   \
-} while (0 && _dev)
-#define d_test(l) (D_MASTER && D_LOCAL >= (l))
diff --git a/include/linux/uwb/spec.h b/include/linux/uwb/spec.h
index 198c15f8e251..b52e44f1bd33 100644
--- a/include/linux/uwb/spec.h
+++ b/include/linux/uwb/spec.h
@@ -59,6 +59,11 @@ enum { UWB_NUM_ZONES = 16 };
 #define UWB_MAS_PER_ZONE (UWB_NUM_MAS / UWB_NUM_ZONES)
 
 /*
+ * Number of MAS required before a row can be considered available.
+ */
+#define UWB_USABLE_MAS_PER_ROW (UWB_NUM_ZONES - 1)
+
+/*
  * Number of streams per DRP reservation between a pair of devices.
  *
  * [ECMA-368] section 16.8.6.
@@ -94,6 +99,26 @@ enum { UWB_BEACON_SLOT_LENGTH_US = 85 };
 enum { UWB_MAX_LOST_BEACONS = 3 };
 
 /*
+ * mDRPBackOffWinMin
+ *
+ * The minimum number of superframes to wait before trying to reserve
+ * extra MAS.
+ *
+ * [ECMA-368] section 17.16
+ */
+enum { UWB_DRP_BACKOFF_WIN_MIN = 2 };
+
+/*
+ * mDRPBackOffWinMax
+ *
+ * The maximum number of superframes to wait before trying to reserve
+ * extra MAS.
+ *
+ * [ECMA-368] section 17.16
+ */
+enum { UWB_DRP_BACKOFF_WIN_MAX = 16 };
+
+/*
  * Length of a superframe in microseconds.
  */
 #define UWB_SUPERFRAME_LENGTH_US (UWB_MAS_LENGTH_US * UWB_NUM_MAS)
@@ -200,6 +225,12 @@ enum uwb_drp_reason {
         UWB_DRP_REASON_MODIFIED,
 };
 
+/** Relinquish Request Reason Codes ([ECMA-368] table 113) */
+enum uwb_relinquish_req_reason {
+        UWB_RELINQUISH_REQ_REASON_NON_SPECIFIC = 0,
+        UWB_RELINQUISH_REQ_REASON_OVER_ALLOCATION,
+};
+
 /**
  *  DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9])
  */
@@ -252,6 +283,7 @@ enum uwb_ie {
         UWB_APP_SPEC_PROBE_IE = 15,
         UWB_IDENTIFICATION_IE = 19,
         UWB_MASTER_KEY_ID_IE = 20,
+        UWB_RELINQUISH_REQUEST_IE = 21,
         UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */
         UWB_APP_SPEC_IE = 255,
 };
@@ -365,6 +397,27 @@ struct uwb_ie_drp_avail {
         DECLARE_BITMAP(bmp, UWB_NUM_MAS);
 } __attribute__((packed));
 
+/* Relinqish Request IE ([ECMA-368] section 16.8.19). */
+struct uwb_relinquish_request_ie {
+        struct uwb_ie_hdr       hdr;
+        __le16                  relinquish_req_control;
+        struct uwb_dev_addr     dev_addr;
+        struct uwb_drp_alloc    allocs[];
+} __attribute__((packed));
+
+static inline int uwb_ie_relinquish_req_reason_code(struct uwb_relinquish_request_ie *ie)
+{
+        return (le16_to_cpu(ie->relinquish_req_control) >> 0) & 0xf;
+}
+
+static inline void uwb_ie_relinquish_req_set_reason_code(struct uwb_relinquish_request_ie *ie,
+                                                         int reason_code)
+{
+        u16 ctrl = le16_to_cpu(ie->relinquish_req_control);
+        ctrl = (ctrl & ~(0xf << 0)) | (reason_code << 0);
+        ie->relinquish_req_control = cpu_to_le16(ctrl);
+}
+
 /**
  * The Vendor ID is set to an OUI that indicates the vendor of the device.
  * ECMA-368 [16.8.10]
diff --git a/include/linux/uwb/umc.h b/include/linux/uwb/umc.h
index 36a39e34f8d7..4b4fc0f43855 100644
--- a/include/linux/uwb/umc.h
+++ b/include/linux/uwb/umc.h
@@ -89,6 +89,8 @@ struct umc_driver {
         void (*remove)(struct umc_dev *);
         int  (*suspend)(struct umc_dev *, pm_message_t state);
         int  (*resume)(struct umc_dev *);
+        int  (*pre_reset)(struct umc_dev *);
+        int  (*post_reset)(struct umc_dev *);
 
         struct device_driver driver;
 };
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 4669d7e72e75..1f126e30766c 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -293,6 +293,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
@@ -304,6 +305,8 @@ struct v4l2_pix_format {
 /* two planes -- one Y, one Cr + Cb interleaved  */
 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
+#define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
+#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
 
 /*  The following formats are not defined in the V4L2 specification */
 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
@@ -1050,7 +1053,7 @@ enum v4l2_mpeg_video_bitrate_mode {
 #define V4L2_CID_MPEG_VIDEO_MUTE                (V4L2_CID_MPEG_BASE+210)
 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV            (V4L2_CID_MPEG_BASE+211)
 
-/*  MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */
+/*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
 #define V4L2_CID_MPEG_CX2341X_BASE                              (V4L2_CTRL_CLASS_MPEG | 0x1000)
 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE         (V4L2_CID_MPEG_CX2341X_BASE+0)
 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
@@ -1117,6 +1120,12 @@ enum  v4l2_exposure_auto_type {
 #define V4L2_CID_FOCUS_RELATIVE                 (V4L2_CID_CAMERA_CLASS_BASE+11)
 #define V4L2_CID_FOCUS_AUTO                     (V4L2_CID_CAMERA_CLASS_BASE+12)
 
+#define V4L2_CID_ZOOM_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+13)
+#define V4L2_CID_ZOOM_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+14)
+#define V4L2_CID_ZOOM_CONTINUOUS                (V4L2_CID_CAMERA_CLASS_BASE+15)
+
+#define V4L2_CID_PRIVACY                        (V4L2_CID_CAMERA_CLASS_BASE+16)
+
 /*
  *      T U N I N G
  */
@@ -1369,6 +1378,7 @@ struct v4l2_streamparm {
 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver ID */
 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
+#define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
 
 struct v4l2_register {
         __u32 match_type; /* Match type */
@@ -1458,6 +1468,8 @@ struct v4l2_chip_ident {
 #define VIDIOC_G_CHIP_IDENT     _IOWR('V', 81, struct v4l2_chip_ident)
 #endif
 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
+/* Reminder: when adding new ioctls please add support for them to
+   drivers/media/video/v4l2-compat-ioctl32.c as well! */
 
 #ifdef __OLD_VIDIOC_
 /* for compatibility, will go away some day */
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index c30c7bfbf39b..8726ff77763e 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -10,6 +10,9 @@
 /* The feature bitmap for virtio balloon */
 #define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
 
+/* Size of a PFN in the balloon interface. */
+#define VIRTIO_BALLOON_PFN_SHIFT 12
+
 struct virtio_balloon_config
 {
         /* Number of pages host wants Guest to give up. */
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index 19a0da0dba41..7615ffcdd555 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -7,6 +7,17 @@
 /* The ID for virtio console */
 #define VIRTIO_ID_CONSOLE       3
 
+/* Feature bits */
+#define VIRTIO_CONSOLE_F_SIZE   0       /* Does host provide console size? */
+
+struct virtio_console_config {
+        /* colums of the screens */
+        __u16 cols;
+        /* rows of the screens */
+        __u16 rows;
+} __attribute__((packed));
+
+
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
 #endif /* __KERNEL__ */
diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h
index cdef35742932..cd0fd5d181a6 100644
--- a/include/linux/virtio_pci.h
+++ b/include/linux/virtio_pci.h
@@ -53,4 +53,12 @@
 
 /* Virtio ABI version, this must match exactly */
 #define VIRTIO_PCI_ABI_VERSION          0
+
+/* How many bits to shift physical queue address written to QUEUE_PFN.
+ * 12 is historical, and due to x86 page size. */
+#define VIRTIO_PCI_QUEUE_ADDR_SHIFT     12
+
+/* The alignment to use between consumer and producer parts of vring.
+ * x86 pagesize again. */
+#define VIRTIO_PCI_VRING_ALIGN          4096
 #endif
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index c4a598fb3826..71e03722fb59 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -83,7 +83,7 @@ struct vring {
  *      __u16 avail_idx;
  *      __u16 available[num];
  *
- *      // Padding to the next page boundary.
+ *      // Padding to the next align boundary.
  *      char pad[];
  *
  *      // A ring of used descriptor heads with free-running index.
@@ -93,19 +93,19 @@ struct vring {
  * };
  */
 static inline void vring_init(struct vring *vr, unsigned int num, void *p,
-                              unsigned long pagesize)
+                              unsigned long align)
 {
         vr->num = num;
         vr->desc = p;
         vr->avail = p + num*sizeof(struct vring_desc);
-        vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + pagesize-1)
-                            & ~(pagesize - 1));
+        vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + align-1)
+                            & ~(align - 1));
 }
 
-static inline unsigned vring_size(unsigned int num, unsigned long pagesize)
+static inline unsigned vring_size(unsigned int num, unsigned long align)
 {
         return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (2 + num)
-                 + pagesize - 1) & ~(pagesize - 1))
+                 + align - 1) & ~(align - 1))
                 + sizeof(__u16) * 2 + sizeof(struct vring_used_elem) * num;
 }
 
@@ -115,6 +115,7 @@ struct virtio_device;
 struct virtqueue;
 
 struct virtqueue *vring_new_virtqueue(unsigned int num,
+                                      unsigned int vring_align,
                                       struct virtio_device *vdev,
                                       void *pages,
                                       void (*notify)(struct virtqueue *vq),
diff --git a/include/linux/wlp.h b/include/linux/wlp.h
index 033545e145c7..ac95ce6606ac 100644
--- a/include/linux/wlp.h
+++ b/include/linux/wlp.h
@@ -646,6 +646,7 @@ struct wlp_wss {
 struct wlp {
         struct mutex mutex;
         struct uwb_rc *rc;              /* UWB radio controller */
+        struct net_device *ndev;
         struct uwb_pal pal;
         struct wlp_eda eda;
         struct wlp_uuid uuid;
@@ -675,7 +676,7 @@ struct wlp_wss_attribute {
 static struct wlp_wss_attribute wss_attr_##_name = __ATTR(_name, _mode, \
                                                           _show, _store)
 
-extern int wlp_setup(struct wlp *, struct uwb_rc *);
+extern int wlp_setup(struct wlp *, struct uwb_rc *, struct net_device *ndev);
 extern void wlp_remove(struct wlp *);
 extern ssize_t wlp_neighborhood_show(struct wlp *, char *);
 extern int wlp_wss_setup(struct net_device *, struct wlp_wss *);