48 files changed, 729 insertions, 99 deletions

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 18c435d7c082..c2c9ba032d46 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -25,7 +25,10 @@ struct bug_entry {
 };
 #endif          /* __ASSEMBLY__ */
 
-#define BUGFLAG_WARNING (1<<0)
+#define BUGFLAG_WARNING         (1 << 0)
+#define BUGFLAG_TAINT(taint)    (BUGFLAG_WARNING | ((taint) << 8))
+#define BUG_GET_TAINT(bug)      ((bug)->flags >> 8)
+
 #endif  /* CONFIG_GENERIC_BUG */
 
 /*
@@ -56,17 +59,25 @@ struct bug_entry {
  * appear at runtime.  Use the versions with printk format strings
  * to provide better diagnostics.
  */
-#ifndef __WARN
+#ifndef __WARN_TAINT
 #ifndef __ASSEMBLY__
 extern void warn_slowpath_fmt(const char *file, const int line,
                 const char *fmt, ...) __attribute__((format(printf, 3, 4)));
+extern void warn_slowpath_fmt_taint(const char *file, const int line,
+                                    unsigned taint, const char *fmt, ...)
+        __attribute__((format(printf, 4, 5)));
 extern void warn_slowpath_null(const char *file, const int line);
 #define WANT_WARN_ON_SLOWPATH
 #endif
 #define __WARN()                warn_slowpath_null(__FILE__, __LINE__)
 #define __WARN_printf(arg...)   warn_slowpath_fmt(__FILE__, __LINE__, arg)
+#define __WARN_printf_taint(taint, arg...)                              \
+        warn_slowpath_fmt_taint(__FILE__, __LINE__, taint, arg)
 #else
+#define __WARN()                __WARN_TAINT(TAINT_WARN)
 #define __WARN_printf(arg...)   do { printk(arg); __WARN(); } while (0)
+#define __WARN_printf_taint(taint, arg...)                              \
+        do { printk(arg); __WARN_TAINT(taint); } while (0)
 #endif
 
 #ifndef WARN_ON
@@ -87,6 +98,13 @@ extern void warn_slowpath_null(const char *file, const int line);
 })
 #endif
 
+#define WARN_TAINT(condition, taint, format...) ({                      \
+        int __ret_warn_on = !!(condition);                              \
+        if (unlikely(__ret_warn_on))                                    \
+                __WARN_printf_taint(taint, format);                     \
+        unlikely(__ret_warn_on);                                        \
+})
+
 #else /* !CONFIG_BUG */
 #ifndef HAVE_ARCH_BUG
 #define BUG() do {} while(0)
@@ -110,6 +128,8 @@ extern void warn_slowpath_null(const char *file, const int line);
 })
 #endif
 
+#define WARN_TAINT(condition, taint, format...) WARN_ON(condition)
+
 #endif
 
 #define WARN_ON_ONCE(condition) ({                              \
@@ -132,6 +152,16 @@ extern void warn_slowpath_null(const char *file, const int line);
         unlikely(__ret_warn_once);                              \
 })
 
+#define WARN_TAINT_ONCE(condition, taint, format...)    ({      \
+        static bool __warned;                                   \
+        int __ret_warn_once = !!(condition);                    \
+                                                                \
+        if (unlikely(__ret_warn_once))                          \
+                if (WARN_TAINT(!__warned, taint, format))       \
+                        __warned = true;                        \
+        unlikely(__ret_warn_once);                              \
+})
+
 #define WARN_ON_RATELIMIT(condition, state)                     \
                 WARN_ON((condition) && __ratelimit(state))
 
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index fc0d575c71e0..59c3e5bd2c06 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -103,6 +103,23 @@ struct blkcipher_walk {
         unsigned int blocksize;
 };
 
+struct ablkcipher_walk {
+        struct {
+                struct page *page;
+                unsigned int offset;
+        } src, dst;
+
+        struct scatter_walk     in;
+        unsigned int            nbytes;
+        struct scatter_walk     out;
+        unsigned int            total;
+        struct list_head        buffers;
+        u8                      *iv_buffer;
+        u8                      *iv;
+        int                     flags;
+        unsigned int            blocksize;
+};
+
 extern const struct crypto_type crypto_ablkcipher_type;
 extern const struct crypto_type crypto_aead_type;
 extern const struct crypto_type crypto_blkcipher_type;
@@ -173,6 +190,12 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
                               struct blkcipher_walk *walk,
                               unsigned int blocksize);
 
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+                         struct ablkcipher_walk *walk, int err);
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+                         struct ablkcipher_walk *walk);
+void __ablkcipher_walk_complete(struct ablkcipher_walk *walk);
+
 static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
 {
         return PTR_ALIGN(crypto_tfm_ctx(tfm),
@@ -283,6 +306,23 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
         walk->total = nbytes;
 }
 
+static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk,
+                                        struct scatterlist *dst,
+                                        struct scatterlist *src,
+                                        unsigned int nbytes)
+{
+        walk->in.sg = src;
+        walk->out.sg = dst;
+        walk->total = nbytes;
+        INIT_LIST_HEAD(&walk->buffers);
+}
+
+static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+        if (unlikely(!list_empty(&walk->buffers)))
+                __ablkcipher_walk_complete(walk);
+}
+
 static inline struct crypto_async_request *crypto_get_backlog(
         struct crypto_queue *queue)
 {
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index bd0e3c6f323f..e6e0cb5437e6 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
+#include <linux/timer.h>
 #include <linux/writeback.h>
 #include <asm/atomic.h>
 
@@ -88,6 +89,8 @@ struct backing_dev_info {
 
         struct device *dev;
 
+        struct timer_list laptop_mode_wb_timer;
+
 #ifdef CONFIG_DEBUG_FS
         struct dentry *debug_dir;
         struct dentry *debug_stats;
@@ -103,9 +106,10 @@ int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
 int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
 void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
-                                long nr_pages);
+                                long nr_pages, int sb_locked);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);
+void bdi_arm_supers_timer(void);
 
 extern spinlock_t bdi_lock;
 extern struct list_head bdi_list;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6690e8bae7bb..8b7f5e0914ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -186,15 +186,19 @@ struct request {
         };
 
         /*
-         * two pointers are available for the IO schedulers, if they need
+         * Three pointers are available for the IO schedulers, if they need
          * more they have to dynamically allocate it.
          */
         void *elevator_private;
         void *elevator_private2;
+        void *elevator_private3;
 
         struct gendisk *rq_disk;
         unsigned long start_time;
-
+#ifdef CONFIG_BLK_CGROUP
+        unsigned long long start_time_ns;
+        unsigned long long io_start_time_ns;    /* when passed to hardware */
+#endif
         /* Number of scatter-gather DMA addr+len pairs after
          * physical address coalescing is performed.
          */
@@ -917,7 +921,12 @@ extern void blk_abort_queue(struct request_queue *);
  */
 extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
                                         spinlock_t *lock, int node_id);
+extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
+                                                           request_fn_proc *,
+                                                           spinlock_t *, int node_id);
 extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
+extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
+                                                      request_fn_proc *, spinlock_t *);
 extern void blk_cleanup_queue(struct request_queue *);
 extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
 extern void blk_queue_bounce_limit(struct request_queue *, u64);
@@ -994,20 +1003,25 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt,
                 return NULL;
         return bqt->tag_index[tag];
 }
-
-extern int blkdev_issue_flush(struct block_device *, sector_t *);
-#define DISCARD_FL_WAIT         0x01    /* wait for completion */
-#define DISCARD_FL_BARRIER      0x02    /* issue DISCARD_BARRIER request */
-extern int blkdev_issue_discard(struct block_device *, sector_t sector,
-                sector_t nr_sects, gfp_t, int flags);
-
+enum{
+        BLKDEV_WAIT,    /* wait for completion */
+        BLKDEV_BARRIER, /*issue request with barrier */
+};
+#define BLKDEV_IFL_WAIT         (1 << BLKDEV_WAIT)
+#define BLKDEV_IFL_BARRIER      (1 << BLKDEV_BARRIER)
+extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *,
+                        unsigned long);
+extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
+                sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
+extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
+                        sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
 static inline int sb_issue_discard(struct super_block *sb,
                                    sector_t block, sector_t nr_blocks)
 {
         block <<= (sb->s_blocksize_bits - 9);
         nr_blocks <<= (sb->s_blocksize_bits - 9);
         return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL,
-                                    DISCARD_FL_BARRIER);
+                                   BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 }
 
 extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
@@ -1196,6 +1210,39 @@ static inline void put_dev_sector(Sector p)
 struct work_struct;
 int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
 
+#ifdef CONFIG_BLK_CGROUP
+static inline void set_start_time_ns(struct request *req)
+{
+        req->start_time_ns = sched_clock();
+}
+
+static inline void set_io_start_time_ns(struct request *req)
+{
+        req->io_start_time_ns = sched_clock();
+}
+
+static inline uint64_t rq_start_time_ns(struct request *req)
+{
+        return req->start_time_ns;
+}
+
+static inline uint64_t rq_io_start_time_ns(struct request *req)
+{
+        return req->io_start_time_ns;
+}
+#else
+static inline void set_start_time_ns(struct request *req) {}
+static inline void set_io_start_time_ns(struct request *req) {}
+static inline uint64_t rq_start_time_ns(struct request *req)
+{
+        return 0;
+}
+static inline uint64_t rq_io_start_time_ns(struct request *req)
+{
+        return 0;
+}
+#endif
+
 #define MODULE_ALIAS_BLOCKDEV(major,minor) \
         MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
 #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
@@ -1283,10 +1330,11 @@ struct block_device_operations {
         int (*direct_access) (struct block_device *, sector_t,
                                                 void **, unsigned long *);
         int (*media_changed) (struct gendisk *);
-        unsigned long long (*set_capacity) (struct gendisk *,
-                                                unsigned long long);
+        void (*unlock_native_capacity) (struct gendisk *);
         int (*revalidate_disk) (struct gendisk *);
         int (*getgeo)(struct block_device *, struct hd_geometry *);
+        /* this callback is with swap_lock and sometimes page table lock held */
+        void (*swap_slot_free_notify) (struct block_device *, unsigned long);
         struct module *owner;
 };
 
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 24d2e30f1b46..a6a7a1c83f54 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -99,13 +99,7 @@
  * as arm where pointers are 32-bit aligned but there are data types such as
  * u64 which require 64-bit alignment.
  */
-#if defined(ARCH_KMALLOC_MINALIGN)
 #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
-#elif defined(ARCH_SLAB_MINALIGN)
-#define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
-#else
-#define CRYPTO_MINALIGN __alignof__(unsigned long long)
-#endif
 
 #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
 
diff --git a/include/linux/device.h b/include/linux/device.h
index 7bb9f426f3e6..0713e10571dd 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -33,6 +33,7 @@ struct class;
 struct class_private;
 struct bus_type;
 struct bus_type_private;
+struct device_node;
 
 struct bus_attribute {
         struct attribute        attr;
@@ -127,6 +128,10 @@ struct device_driver {
 
         bool suppress_bind_attrs;       /* disables bind/unbind via sysfs */
 
+#if defined(CONFIG_OF)
+        const struct of_device_id       *of_match_table;
+#endif
+
         int (*probe) (struct device *dev);
         int (*remove) (struct device *dev);
         void (*shutdown) (struct device *dev);
@@ -435,6 +440,9 @@ struct device {
                                              override */
         /* arch specific additions */
         struct dev_archdata     archdata;
+#ifdef CONFIG_OF
+        struct device_node      *of_node;
+#endif
 
         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 20ea12c86fd0..5204f018931b 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -40,11 +40,13 @@ typedef s32 dma_cookie_t;
  * enum dma_status - DMA transaction status
  * @DMA_SUCCESS: transaction completed successfully
  * @DMA_IN_PROGRESS: transaction not yet processed
+ * @DMA_PAUSED: transaction is paused
  * @DMA_ERROR: transaction failed
  */
 enum dma_status {
         DMA_SUCCESS,
         DMA_IN_PROGRESS,
+        DMA_PAUSED,
         DMA_ERROR,
 };
 
@@ -107,6 +109,19 @@ enum dma_ctrl_flags {
 };
 
 /**
+ * enum dma_ctrl_cmd - DMA operations that can optionally be exercised
+ * on a running channel.
+ * @DMA_TERMINATE_ALL: terminate all ongoing transfers
+ * @DMA_PAUSE: pause ongoing transfers
+ * @DMA_RESUME: resume paused transfer
+ */
+enum dma_ctrl_cmd {
+        DMA_TERMINATE_ALL,
+        DMA_PAUSE,
+        DMA_RESUME,
+};
+
+/**
  * enum sum_check_bits - bit position of pq_check_flags
  */
 enum sum_check_bits {
@@ -230,9 +245,84 @@ struct dma_async_tx_descriptor {
         dma_cookie_t (*tx_submit)(struct dma_async_tx_descriptor *tx);
         dma_async_tx_callback callback;
         void *callback_param;
+#ifndef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
         struct dma_async_tx_descriptor *next;
         struct dma_async_tx_descriptor *parent;
         spinlock_t lock;
+#endif
+};
+
+#ifdef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
+static inline void txd_lock(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_unlock(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_chain(struct dma_async_tx_descriptor *txd, struct dma_async_tx_descriptor *next)
+{
+        BUG();
+}
+static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline void txd_clear_next(struct dma_async_tx_descriptor *txd)
+{
+}
+static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd)
+{
+        return NULL;
+}
+static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd)
+{
+        return NULL;
+}
+
+#else
+static inline void txd_lock(struct dma_async_tx_descriptor *txd)
+{
+        spin_lock_bh(&txd->lock);
+}
+static inline void txd_unlock(struct dma_async_tx_descriptor *txd)
+{
+        spin_unlock_bh(&txd->lock);
+}
+static inline void txd_chain(struct dma_async_tx_descriptor *txd, struct dma_async_tx_descriptor *next)
+{
+        txd->next = next;
+        next->parent = txd;
+}
+static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd)
+{
+        txd->parent = NULL;
+}
+static inline void txd_clear_next(struct dma_async_tx_descriptor *txd)
+{
+        txd->next = NULL;
+}
+static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd)
+{
+        return txd->parent;
+}
+static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd)
+{
+        return txd->next;
+}
+#endif
+
+/**
+ * struct dma_tx_state - filled in to report the status of
+ * a transfer.
+ * @last: last completed DMA cookie
+ * @used: last issued DMA cookie (i.e. the one in progress)
+ * @residue: the remaining number of bytes left to transmit
+ *      on the selected transfer for states DMA_IN_PROGRESS and
+ *      DMA_PAUSED if this is implemented in the driver, else 0
+ */
+struct dma_tx_state {
+        dma_cookie_t last;
+        dma_cookie_t used;
+        u32 residue;
 };
 
 /**
@@ -261,8 +351,12 @@ struct dma_async_tx_descriptor {
  * @device_prep_dma_memset: prepares a memset operation
  * @device_prep_dma_interrupt: prepares an end of chain interrupt operation
  * @device_prep_slave_sg: prepares a slave dma operation
- * @device_terminate_all: terminate all pending operations
- * @device_is_tx_complete: poll for transaction completion
+ * @device_control: manipulate all pending operations on a channel, returns
+ *      zero or error code
+ * @device_tx_status: poll for transaction completion, the optional
+ *      txstate parameter can be supplied with a pointer to get a
+ *      struct with auxilary transfer status information, otherwise the call
+ *      will just return a simple status code
  * @device_issue_pending: push pending transactions to hardware
  */
 struct dma_device {
@@ -313,11 +407,12 @@ struct dma_device {
                 struct dma_chan *chan, struct scatterlist *sgl,
                 unsigned int sg_len, enum dma_data_direction direction,
                 unsigned long flags);
-        void (*device_terminate_all)(struct dma_chan *chan);
+        int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+                unsigned long arg);
 
-        enum dma_status (*device_is_tx_complete)(struct dma_chan *chan,
-                        dma_cookie_t cookie, dma_cookie_t *last,
-                        dma_cookie_t *used);
+        enum dma_status (*device_tx_status)(struct dma_chan *chan,
+                                            dma_cookie_t cookie,
+                                            struct dma_tx_state *txstate);
         void (*device_issue_pending)(struct dma_chan *chan);
 };
 
@@ -558,7 +653,15 @@ static inline void dma_async_issue_pending(struct dma_chan *chan)
 static inline enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
         dma_cookie_t cookie, dma_cookie_t *last, dma_cookie_t *used)
 {
-        return chan->device->device_is_tx_complete(chan, cookie, last, used);
+        struct dma_tx_state state;
+        enum dma_status status;
+
+        status = chan->device->device_tx_status(chan, cookie, &state);
+        if (last)
+                *last = state.last;
+        if (used)
+                *used = state.used;
+        return status;
 }
 
 #define dma_async_memcpy_complete(chan, cookie, last, used)\
@@ -586,6 +689,16 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
         return DMA_IN_PROGRESS;
 }
 
+static inline void
+dma_set_tx_state(struct dma_tx_state *st, dma_cookie_t last, dma_cookie_t used, u32 residue)
+{
+        if (st) {
+                st->last = last;
+                st->used = used;
+                st->residue = residue;
+        }
+}
+
 enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);
 #ifdef CONFIG_DMA_ENGINE
 enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 4341b1a97a34..68530521ad00 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,10 +53,10 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.7"
+#define REL_VERSION "8.3.8rc1"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 92
+#define PRO_VERSION_MAX 94
 
 
 enum drbd_io_error_p {
@@ -139,6 +139,7 @@ enum drbd_ret_codes {
         ERR_DATA_NOT_CURRENT    = 150,
         ERR_CONNECTED           = 151, /* DRBD 8.3 only */
         ERR_PERM                = 152,
+        ERR_NEED_APV_93         = 153,
 
         /* insert new ones above this line */
         AFTER_LAST_ERR_CODE
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 51f47a586ad8..440b42e38e89 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -133,5 +133,21 @@
 #define DRBD_MAX_BIO_BVECS_MAX 128
 #define DRBD_MAX_BIO_BVECS_DEF 0
 
+#define DRBD_DP_VOLUME_MIN 4
+#define DRBD_DP_VOLUME_MAX 1048576
+#define DRBD_DP_VOLUME_DEF 16384
+
+#define DRBD_DP_INTERVAL_MIN 1
+#define DRBD_DP_INTERVAL_MAX 600
+#define DRBD_DP_INTERVAL_DEF 5
+
+#define DRBD_RS_THROTTLE_TH_MIN 1
+#define DRBD_RS_THROTTLE_TH_MAX 600
+#define DRBD_RS_THROTTLE_TH_DEF 20
+
+#define DRBD_RS_HOLD_OFF_TH_MIN 1
+#define DRBD_RS_HOLD_OFF_TH_MAX 6000
+#define DRBD_RS_HOLD_OFF_TH_DEF 100
+
 #undef RANGE
 #endif
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index f7431a4ca608..ce77a746fc9d 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -71,12 +71,17 @@ NL_PACKET(disconnect, 6, )
 NL_PACKET(resize, 7,
         NL_INT64(               29,     T_MAY_IGNORE,   resize_size)
         NL_BIT(                 68,     T_MAY_IGNORE,   resize_force)
+        NL_BIT(                 69,     T_MANDATORY,    no_resync)
 )
 
 NL_PACKET(syncer_conf, 8,
         NL_INTEGER(     30,     T_MAY_IGNORE,   rate)
         NL_INTEGER(     31,     T_MAY_IGNORE,   after)
         NL_INTEGER(     32,     T_MAY_IGNORE,   al_extents)
+        NL_INTEGER(     71,     T_MAY_IGNORE,   dp_volume)
+        NL_INTEGER(     72,     T_MAY_IGNORE,   dp_interval)
+        NL_INTEGER(     73,     T_MAY_IGNORE,   throttle_th)
+        NL_INTEGER(     74,     T_MAY_IGNORE,   hold_off_th)
         NL_STRING(      52,     T_MAY_IGNORE,   verify_alg,     SHARED_SECRET_MAX)
         NL_STRING(      51,     T_MAY_IGNORE,   cpu_mask,       32)
         NL_STRING(      64,     T_MAY_IGNORE,   csums_alg,      SHARED_SECRET_MAX)
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 1cb3372e65d8..2c958f4fce1e 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -14,6 +14,9 @@ typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int
 
 typedef int (elevator_allow_merge_fn) (struct request_queue *, struct request *, struct bio *);
 
+typedef void (elevator_bio_merged_fn) (struct request_queue *,
+                                                struct request *, struct bio *);
+
 typedef int (elevator_dispatch_fn) (struct request_queue *, int);
 
 typedef void (elevator_add_req_fn) (struct request_queue *, struct request *);
@@ -36,6 +39,7 @@ struct elevator_ops
         elevator_merged_fn *elevator_merged_fn;
         elevator_merge_req_fn *elevator_merge_req_fn;
         elevator_allow_merge_fn *elevator_allow_merge_fn;
+        elevator_bio_merged_fn *elevator_bio_merged_fn;
 
         elevator_dispatch_fn *elevator_dispatch_fn;
         elevator_add_req_fn *elevator_add_req_fn;
@@ -103,6 +107,8 @@ extern int elv_merge(struct request_queue *, struct request **, struct bio *);
 extern void elv_merge_requests(struct request_queue *, struct request *,
                                struct request *);
 extern void elv_merged_request(struct request_queue *, struct request *, int);
+extern void elv_bio_merged(struct request_queue *q, struct request *,
+                                struct bio *);
 extern void elv_requeue_request(struct request_queue *, struct request *);
 extern int elv_queue_empty(struct request_queue *);
 extern struct request *elv_former_request(struct request_queue *, struct request *);
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index e687bc3ba4da..394a3e0e4a6b 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -150,8 +150,6 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse
 }
 #endif
 
-#endif /* __KERNEL__ */
-
 /*
  * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
  * extra segments containing the gate DSO contents.  Dumping its
@@ -168,4 +166,6 @@ extern int
 elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);
 extern size_t elf_core_extra_data_size(void);
 
+#endif /* __KERNEL__ */
+
 #endif /* _LINUX_ELFCORE_H */
diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 86037400a6e3..afc00af3229b 100644
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -22,6 +22,12 @@
 #define F_NOTIFY        (F_LINUX_SPECIFIC_BASE+2)
 
 /*
+ * Set and get of pipe page size array
+ */
+#define F_SETPIPE_SZ    (F_LINUX_SPECIFIC_BASE + 7)
+#define F_GETPIPE_SZ    (F_LINUX_SPECIFIC_BASE + 8)
+
+/*
  * Types of directory notifications that may be requested.
  */
 #define DN_ACCESS       0x00000001      /* File accessed */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4079ef99900f..b336cb9ca9a0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -651,6 +651,7 @@ struct block_device {
         int                     bd_openers;
         struct mutex            bd_mutex;       /* open/close mutex */
         struct list_head        bd_inodes;
+        void *                  bd_claiming;
         void *                  bd_holder;
         int                     bd_holders;
 #ifdef CONFIG_SYSFS
@@ -1314,8 +1315,6 @@ extern int send_sigurg(struct fown_struct *fown);
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
 
-#define sb_entry(list)  list_entry((list), struct super_block, s_list)
-#define S_BIAS (1<<30)
 struct super_block {
         struct list_head        s_list;         /* Keep this first */
         dev_t                   s_dev;          /* search index; _not_ kdev_t */
@@ -1334,12 +1333,11 @@ struct super_block {
         struct rw_semaphore     s_umount;
         struct mutex            s_lock;
         int                     s_count;
-        int                     s_need_sync;
         atomic_t                s_active;
 #ifdef CONFIG_SECURITY
         void                    *s_security;
 #endif
-        struct xattr_handler    **s_xattr;
+        const struct xattr_handler **s_xattr;
 
         struct list_head        s_inodes;       /* all inodes */
         struct hlist_head       s_anon;         /* anonymous dentries for (nfs) exporting */
@@ -1431,7 +1429,8 @@ extern void dentry_unhash(struct dentry *dentry);
  * VFS file helper functions.
  */
 extern int file_permission(struct file *, int);
-
+extern void inode_init_owner(struct inode *inode, const struct inode *dir,
+                        mode_t mode);
 /*
  * VFS FS_IOC_FIEMAP helper definitions.
  */
@@ -1744,6 +1743,7 @@ struct file_system_type {
 
         struct lock_class_key s_lock_key;
         struct lock_class_key s_umount_key;
+        struct lock_class_key s_vfs_rename_key;
 
         struct lock_class_key i_lock_key;
         struct lock_class_key i_mutex_key;
@@ -1781,8 +1781,6 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
         const struct super_operations *ops, unsigned long,
         struct vfsmount *mnt);
 extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
-int __put_super_and_need_restart(struct super_block *sb);
-void put_super(struct super_block *sb);
 
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \
@@ -1802,6 +1800,8 @@ extern void drop_collected_mounts(struct vfsmount *);
 extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
                           struct vfsmount *);
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
+extern int freeze_super(struct super_block *super);
+extern int thaw_super(struct super_block *super);
 
 extern int current_umask(void);
 
@@ -2087,9 +2087,9 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
 extern int filemap_fdatawrite_range(struct address_space *mapping,
                                 loff_t start, loff_t end);
 
-extern int vfs_fsync_range(struct file *file, struct dentry *dentry,
-                           loff_t start, loff_t end, int datasync);
-extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
+extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
+                           int datasync);
+extern int vfs_fsync(struct file *file, int datasync);
 extern int generic_write_sync(struct file *file, loff_t pos, loff_t count);
 extern void sync_supers(void);
 extern void emergency_sync(void);
@@ -2329,6 +2329,7 @@ extern struct super_block *get_super(struct block_device *);
 extern struct super_block *get_active_super(struct block_device *bdev);
 extern struct super_block *user_get_super(dev_t);
 extern void drop_super(struct super_block *sb);
+extern void iterate_supers(void (*)(struct super_block *, void *), void *);
 
 extern int dcache_dir_open(struct inode *, struct file *);
 extern int dcache_dir_close(struct inode *, struct file *);
diff --git a/include/linux/generic_acl.h b/include/linux/generic_acl.h
index ca666d18ed67..574bea4013b6 100644
--- a/include/linux/generic_acl.h
+++ b/include/linux/generic_acl.h
@@ -5,8 +5,8 @@
 
 struct inode;
 
-extern struct xattr_handler generic_acl_access_handler;
-extern struct xattr_handler generic_acl_default_handler;
+extern const struct xattr_handler generic_acl_access_handler;
+extern const struct xattr_handler generic_acl_default_handler;
 
 int generic_acl_init(struct inode *, struct inode *);
 int generic_acl_chmod(struct inode *);
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 6ed1d59bfb1e..21067b418536 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -34,6 +34,7 @@
 #include <linux/device.h>       /* for struct device */
 #include <linux/sched.h>        /* for completion */
 #include <linux/mutex.h>
+#include <linux/of.h>           /* for struct device_node */
 
 extern struct bus_type i2c_bus_type;
 
@@ -251,6 +252,9 @@ struct i2c_board_info {
         unsigned short  addr;
         void            *platform_data;
         struct dev_archdata     *archdata;
+#ifdef CONFIG_OF
+        struct device_node *of_node;
+#endif
         int             irq;
 };
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3239d1c10acb..b6d448048ae2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -362,7 +362,7 @@ struct ide_drive_s;
 struct ide_disk_ops {
         int             (*check)(struct ide_drive_s *, const char *);
         int             (*get_capacity)(struct ide_drive_s *);
-        u64             (*set_capacity)(struct ide_drive_s *, u64);
+        void            (*unlock_native_capacity)(struct ide_drive_s *);
         void            (*setup)(struct ide_drive_s *);
         void            (*flush)(struct ide_drive_s *);
         int             (*init_media)(struct ide_drive_s *, struct gendisk *);
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 26fad187d661..b22790268b64 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -52,6 +52,7 @@ struct resource_list {
 
 #define IORESOURCE_MEM_64       0x00100000
 #define IORESOURCE_WINDOW       0x00200000      /* forwarded by bridge */
+#define IORESOURCE_MUXED        0x00400000      /* Resource is software muxed */
 
 #define IORESOURCE_EXCLUSIVE    0x08000000      /* Userland may not map this resource */
 #define IORESOURCE_DISABLED     0x10000000
@@ -143,7 +144,8 @@ static inline unsigned long resource_type(const struct resource *res)
 }
 
 /* Convenience shorthand with allocation */
-#define request_region(start,n,name)    __request_region(&ioport_resource, (start), (n), (name), 0)
+#define request_region(start,n,name)            __request_region(&ioport_resource, (start), (n), (name), 0)
+#define request_muxed_region(start,n,name)      __request_region(&ioport_resource, (start), (n), (name), IORESOURCE_MUXED)
 #define __request_mem_region(start,n,name, excl) __request_region(&iomem_resource, (start), (n), (name), excl)
 #define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name), 0)
 #define request_mem_region_exclusive(start,n,name) \
diff --git a/include/linux/isapnp.h b/include/linux/isapnp.h
index cd5a269fdb5e..e2d28b026a8c 100644
--- a/include/linux/isapnp.h
+++ b/include/linux/isapnp.h
@@ -43,10 +43,10 @@
  */
 
 #ifdef __KERNEL__
+#include <linux/mod_devicetable.h>
 
 #define DEVICE_COUNT_COMPATIBLE 4
 
-#define ISAPNP_ANY_ID           0xffff
 #define ISAPNP_CARD_DEVS        8
 
 #define ISAPNP_CARD_ID(_va, _vb, _vc, _device) \
@@ -74,12 +74,6 @@ struct isapnp_card_id {
 #define ISAPNP_DEVICE_SINGLE_END \
                 .card_vendor = 0, .card_device = 0
 
-struct isapnp_device_id {
-        unsigned short card_vendor, card_device;
-        unsigned short vendor, function;
-        unsigned long driver_data;      /* data private to the driver */
-};
-
 #if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE))
 
 #define __ISAPNP__
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index fc33af911852..cc5e3ffe9fce 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -346,6 +346,7 @@ extern enum system_states {
 #define TAINT_OVERRIDDEN_ACPI_TABLE     8
 #define TAINT_WARN                      9
 #define TAINT_CRAP                      10
+#define TAINT_FIRMWARE_WORKAROUND       11
 
 extern void dump_stack(void) __cold;
 
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 60df9c84ecae..23ea02253900 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -160,6 +160,7 @@ struct kvm_pit_config {
 #define KVM_EXIT_DCR              15
 #define KVM_EXIT_NMI              16
 #define KVM_EXIT_INTERNAL_ERROR   17
+#define KVM_EXIT_OSI              18
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 #define KVM_INTERNAL_ERROR_EMULATION 1
@@ -259,6 +260,10 @@ struct kvm_run {
                         __u32 ndata;
                         __u64 data[16];
                 } internal;
+                /* KVM_EXIT_OSI */
+                struct {
+                        __u64 gprs[32];
+                } osi;
                 /* Fix the size of the union. */
                 char padding[256];
         };
@@ -400,6 +405,15 @@ struct kvm_ioeventfd {
         __u8  pad[36];
 };
 
+/* for KVM_ENABLE_CAP */
+struct kvm_enable_cap {
+        /* in */
+        __u32 cap;
+        __u32 flags;
+        __u64 args[4];
+        __u8  pad[64];
+};
+
 #define KVMIO 0xAE
 
 /*
@@ -501,7 +515,15 @@ struct kvm_ioeventfd {
 #define KVM_CAP_HYPERV_VAPIC 45
 #define KVM_CAP_HYPERV_SPIN 46
 #define KVM_CAP_PCI_SEGMENT 47
+#define KVM_CAP_PPC_PAIRED_SINGLES 48
+#define KVM_CAP_INTR_SHADOW 49
+#ifdef __KVM_HAVE_DEBUGREGS
+#define KVM_CAP_DEBUGREGS 50
+#endif
 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
+#define KVM_CAP_PPC_OSI 52
+#define KVM_CAP_PPC_UNSET_IRQ 53
+#define KVM_CAP_ENABLE_CAP 54
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -688,6 +710,10 @@ struct kvm_clock_data {
 /* Available with KVM_CAP_VCPU_EVENTS */
 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
+/* Available with KVM_CAP_DEBUGREGS */
+#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
+#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
+#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 169d07758ee5..7cb116afa1cd 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -105,6 +105,12 @@ struct kvm_vcpu {
         struct kvm_vcpu_arch arch;
 };
 
+/*
+ * Some of the bitops functions do not support too long bitmaps.
+ * This number must be determined not to exceed such limits.
+ */
+#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
+
 struct kvm_memory_slot {
         gfn_t base_gfn;
         unsigned long npages;
@@ -237,17 +243,23 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
 void vcpu_load(struct kvm_vcpu *vcpu);
 void vcpu_put(struct kvm_vcpu *vcpu);
 
-int kvm_init(void *opaque, unsigned int vcpu_size,
+int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
                   struct module *module);
 void kvm_exit(void);
 
 void kvm_get_kvm(struct kvm *kvm);
 void kvm_put_kvm(struct kvm *kvm);
 
+static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
+{
+        return rcu_dereference_check(kvm->memslots,
+                        srcu_read_lock_held(&kvm->srcu)
+                        || lockdep_is_held(&kvm->slots_lock));
+}
+
 #define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
 #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
 static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
-struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
 
 extern struct page *bad_page;
 extern pfn_t bad_pfn;
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 007fbaafead0..48c007dae476 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -509,4 +509,11 @@ struct zorro_device_id {
 
 #define ZORRO_DEVICE_MODALIAS_FMT       "zorro:i%08X"
 
+#define ISAPNP_ANY_ID           0xffff
+struct isapnp_device_id {
+        unsigned short card_vendor, card_device;
+        unsigned short vendor, function;
+        kernel_ulong_t driver_data;     /* data private to the driver */
+};
+
 #endif /* LINUX_MOD_DEVICETABLE_H */
diff --git a/include/linux/msm_mdp.h b/include/linux/msm_mdp.h
new file mode 100644
index 000000000000..d11fe0f2f956
--- /dev/null
+++ b/include/linux/msm_mdp.h
@@ -0,0 +1,78 @@
+/* include/linux/msm_mdp.h
+ *
+ * Copyright (C) 2007 Google Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+#ifndef _MSM_MDP_H_
+#define _MSM_MDP_H_
+
+#include <linux/types.h>
+
+#define MSMFB_IOCTL_MAGIC 'm'
+#define MSMFB_GRP_DISP          _IOW(MSMFB_IOCTL_MAGIC, 1, unsigned int)
+#define MSMFB_BLIT              _IOW(MSMFB_IOCTL_MAGIC, 2, unsigned int)
+
+enum {
+        MDP_RGB_565,            /* RGB 565 planar */
+        MDP_XRGB_8888,          /* RGB 888 padded */
+        MDP_Y_CBCR_H2V2,        /* Y and CbCr, pseudo planar w/ Cb is in MSB */
+        MDP_ARGB_8888,          /* ARGB 888 */
+        MDP_RGB_888,            /* RGB 888 planar */
+        MDP_Y_CRCB_H2V2,        /* Y and CrCb, pseudo planar w/ Cr is in MSB */
+        MDP_YCRYCB_H2V1,        /* YCrYCb interleave */
+        MDP_Y_CRCB_H2V1,        /* Y and CrCb, pseduo planar w/ Cr is in MSB */
+        MDP_Y_CBCR_H2V1,        /* Y and CrCb, pseduo planar w/ Cr is in MSB */
+        MDP_RGBA_8888,          /* ARGB 888 */
+        MDP_BGRA_8888,          /* ABGR 888 */
+        MDP_IMGTYPE_LIMIT       /* Non valid image type after this enum */
+};
+
+enum {
+        PMEM_IMG,
+        FB_IMG,
+};
+
+/* flag values */
+#define MDP_ROT_NOP     0
+#define MDP_FLIP_LR     0x1
+#define MDP_FLIP_UD     0x2
+#define MDP_ROT_90      0x4
+#define MDP_ROT_180     (MDP_FLIP_UD|MDP_FLIP_LR)
+#define MDP_ROT_270     (MDP_ROT_90|MDP_FLIP_UD|MDP_FLIP_LR)
+#define MDP_DITHER      0x8
+#define MDP_BLUR        0x10
+
+#define MDP_TRANSP_NOP  0xffffffff
+#define MDP_ALPHA_NOP   0xff
+
+struct mdp_rect {
+        u32 x, y, w, h;
+};
+
+struct mdp_img {
+        u32 width, height, format, offset;
+        int memory_id;          /* the file descriptor */
+};
+
+struct mdp_blit_req {
+        struct mdp_img src;
+        struct mdp_img dst;
+        struct mdp_rect src_rect;
+        struct mdp_rect dst_rect;
+        u32 alpha, transp_mask, flags;
+};
+
+struct mdp_blit_req_list {
+        u32 count;
+        struct mdp_blit_req req[];
+};
+
+#endif /* _MSM_MDP_H_ */
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index d3a74e00a3e1..11651facc5f1 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_OF_DEVICE_H
 #define _LINUX_OF_DEVICE_H
 
+#ifdef CONFIG_OF_DEVICE
 #include <linux/device.h>
 #include <linux/of.h>
 #include <linux/mod_devicetable.h>
@@ -10,7 +11,7 @@
 #define to_of_device(d) container_of(d, struct of_device, dev)
 
 extern const struct of_device_id *of_match_device(
-        const struct of_device_id *matches, const struct of_device *dev);
+        const struct of_device_id *matches, const struct device *dev);
 
 extern struct of_device *of_dev_get(struct of_device *dev);
 extern void of_dev_put(struct of_device *dev);
@@ -26,5 +27,6 @@ static inline void of_device_free(struct of_device *dev)
 
 extern ssize_t of_device_get_modalias(struct of_device *ofdev,
                                         char *str, ssize_t len);
+#endif /* CONFIG_OF_DEVICE */
 
 #endif /* _LINUX_OF_DEVICE_H */
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index a1ca92ccb0ff..71e1a916d3fa 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -57,6 +57,7 @@ struct boot_param_header {
         __be32  dt_struct_size;         /* size of the DT structure block */
 };
 
+#if defined(CONFIG_OF_FLATTREE)
 /* TBD: Temporary export of fdt globals - remove when code fully merged */
 extern int __initdata dt_root_addr_cells;
 extern int __initdata dt_root_size_cells;
@@ -98,6 +99,9 @@ extern int early_init_dt_scan_root(unsigned long node, const char *uname,
 /* Other Prototypes */
 extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
+#else /* CONFIG_OF_FLATTREE */
+static inline void unflatten_device_tree(void) {}
+#endif /* CONFIG_OF_FLATTREE */
 
 #endif /* __ASSEMBLY__ */
 #endif /* _LINUX_OF_FDT_H */
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 908406651330..1643d3761eb4 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -11,6 +11,7 @@
  *
  */
 
+#ifdef CONFIG_OF_DEVICE
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
@@ -30,10 +31,6 @@ extern struct bus_type of_platform_bus_type;
  */
 struct of_platform_driver
 {
-        const char              *name;
-        const struct of_device_id       *match_table;
-        struct module           *owner;
-
         int     (*probe)(struct of_device* dev,
                          const struct of_device_id *match);
         int     (*remove)(struct of_device* dev);
@@ -66,5 +63,6 @@ static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
 extern struct of_device *of_find_device_by_node(struct device_node *np);
 
 extern int of_bus_type_init(struct bus_type *bus, const char *name);
+#endif /* CONFIG_OF_DEVICE */
 
 #endif  /* _LINUX_OF_PLATFORM_H */
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 51611da9c498..8d8406246eef 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -24,7 +24,19 @@
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
+#include <linux/timer.h>
 
+/**
+ * struct padata_priv -  Embedded to the users data structure.
+ *
+ * @list: List entry, to attach to the padata lists.
+ * @pd: Pointer to the internal control structure.
+ * @cb_cpu: Callback cpu for serializatioon.
+ * @seq_nr: Sequence number of the parallelized data object.
+ * @info: Used to pass information from the parallel to the serial function.
+ * @parallel: Parallel execution function.
+ * @serial: Serial complete function.
+ */
 struct padata_priv {
         struct list_head        list;
         struct parallel_data    *pd;
@@ -35,11 +47,29 @@ struct padata_priv {
         void                    (*serial)(struct padata_priv *padata);
 };
 
+/**
+ * struct padata_list
+ *
+ * @list: List head.
+ * @lock: List lock.
+ */
 struct padata_list {
         struct list_head        list;
         spinlock_t              lock;
 };
 
+/**
+ * struct padata_queue - The percpu padata queues.
+ *
+ * @parallel: List to wait for parallelization.
+ * @reorder: List to wait for reordering after parallel processing.
+ * @serial: List to wait for serialization after reordering.
+ * @pwork: work struct for parallelization.
+ * @swork: work struct for serialization.
+ * @pd: Backpointer to the internal control structure.
+ * @num_obj: Number of objects that are processed by this cpu.
+ * @cpu_index: Index of the cpu.
+ */
 struct padata_queue {
         struct padata_list      parallel;
         struct padata_list      reorder;
@@ -51,6 +81,20 @@ struct padata_queue {
         int                     cpu_index;
 };
 
+/**
+ * struct parallel_data - Internal control structure, covers everything
+ * that depends on the cpumask in use.
+ *
+ * @pinst: padata instance.
+ * @queue: percpu padata queues.
+ * @seq_nr: The sequence number that will be attached to the next object.
+ * @reorder_objects: Number of objects waiting in the reorder queues.
+ * @refcnt: Number of objects holding a reference on this parallel_data.
+ * @max_seq_nr:  Maximal used sequence number.
+ * @cpumask: cpumask in use.
+ * @lock: Reorder lock.
+ * @timer: Reorder timer.
+ */
 struct parallel_data {
         struct padata_instance  *pinst;
         struct padata_queue     *queue;
@@ -60,8 +104,19 @@ struct parallel_data {
         unsigned int            max_seq_nr;
         cpumask_var_t           cpumask;
         spinlock_t              lock;
+        struct timer_list       timer;
 };
 
+/**
+ * struct padata_instance - The overall control structure.
+ *
+ * @cpu_notifier: cpu hotplug notifier.
+ * @wq: The workqueue in use.
+ * @pd: The internal control structure.
+ * @cpumask: User supplied cpumask.
+ * @lock: padata instance lock.
+ * @flags: padata flags.
+ */
 struct padata_instance {
         struct notifier_block   cpu_notifier;
         struct workqueue_struct *wq;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a788fa12ff31..a327322a33ab 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -334,6 +334,16 @@ struct pci_dev {
 #endif
 };
 
+static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
+{
+#ifdef CONFIG_PCI_IOV
+        if (dev->is_virtfn)
+                dev = dev->physfn;
+#endif
+
+        return dev;
+}
+
 extern struct pci_dev *alloc_pci_dev(void);
 
 #define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list)
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 9f688d243b86..ae66851870be 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2419,8 +2419,8 @@
 #define PCI_DEVICE_ID_INTEL_82845_HB    0x1a30
 #define PCI_DEVICE_ID_INTEL_IOAT        0x1a38
 #define PCI_DEVICE_ID_INTEL_CPT_SMBUS   0x1c22
-#define PCI_DEVICE_ID_INTEL_CPT_LPC1    0x1c42
-#define PCI_DEVICE_ID_INTEL_CPT_LPC2    0x1c43
+#define PCI_DEVICE_ID_INTEL_CPT_LPC_MIN 0x1c41
+#define PCI_DEVICE_ID_INTEL_CPT_LPC_MAX 0x1c5f
 #define PCI_DEVICE_ID_INTEL_82801AA_0   0x2410
 #define PCI_DEVICE_ID_INTEL_82801AA_1   0x2411
 #define PCI_DEVICE_ID_INTEL_82801AA_3   0x2413
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c4c3d68be19a..455b9ccdfca7 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -566,8 +566,7 @@
 #define PCI_ERR_ROOT_FIRST_FATAL        0x00000010      /* First Fatal */
 #define PCI_ERR_ROOT_NONFATAL_RCV       0x00000020      /* Non-Fatal Received */
 #define PCI_ERR_ROOT_FATAL_RCV          0x00000040      /* Fatal Received */
-#define PCI_ERR_ROOT_COR_SRC    52
-#define PCI_ERR_ROOT_SRC        54
+#define PCI_ERR_ROOT_ERR_SRC    52      /* Error Source Identification */
 
 /* Virtual Channel */
 #define PCI_VC_PORT_REG1        4
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index b43a9e039059..16de3933c45e 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -3,7 +3,7 @@
 
 #define PIPEFS_MAGIC 0x50495045
 
-#define PIPE_BUFFERS (16)
+#define PIPE_DEF_BUFFERS        16
 
 #define PIPE_BUF_FLAG_LRU       0x01    /* page is on the LRU */
 #define PIPE_BUF_FLAG_ATOMIC    0x02    /* was atomically mapped */
@@ -44,17 +44,17 @@ struct pipe_buffer {
  **/
 struct pipe_inode_info {
         wait_queue_head_t wait;
-        unsigned int nrbufs, curbuf;
-        struct page *tmp_page;
+        unsigned int nrbufs, curbuf, buffers;
         unsigned int readers;
         unsigned int writers;
         unsigned int waiting_writers;
         unsigned int r_counter;
         unsigned int w_counter;
+        struct page *tmp_page;
         struct fasync_struct *fasync_readers;
         struct fasync_struct *fasync_writers;
         struct inode *inode;
-        struct pipe_buffer bufs[PIPE_BUFFERS];
+        struct pipe_buffer *bufs;
 };
 
 /*
@@ -139,6 +139,8 @@ void pipe_lock(struct pipe_inode_info *);
 void pipe_unlock(struct pipe_inode_info *);
 void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
 
+extern unsigned int pipe_max_pages;
+
 /* Drop the inode semaphore and wait for a pipe event, atomically */
 void pipe_wait(struct pipe_inode_info *pipe);
 
@@ -154,4 +156,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
 int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
 void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
 
+/* for F_SETPIPE_SZ and F_GETPIPE_SZ */
+long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
+
 #endif
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 8600508c77a6..e7320b5e82fb 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -1,7 +1,8 @@
 #ifndef _LINUX_RAMFS_H
 #define _LINUX_RAMFS_H
 
-struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev);
+struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
+         int mode, dev_t dev);
 extern int ramfs_get_sb(struct file_system_type *fs_type,
          int flags, const char *dev_name, void *data, struct vfsmount *mnt);
 
diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h
index b4448853900e..3fd8c4506bbb 100644
--- a/include/linux/reiserfs_acl.h
+++ b/include/linux/reiserfs_acl.h
@@ -53,8 +53,8 @@ int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
                                  struct inode *dir, struct dentry *dentry,
                                  struct inode *inode);
 int reiserfs_cache_default_acl(struct inode *dir);
-extern struct xattr_handler reiserfs_posix_acl_default_handler;
-extern struct xattr_handler reiserfs_posix_acl_access_handler;
+extern const struct xattr_handler reiserfs_posix_acl_default_handler;
+extern const struct xattr_handler reiserfs_posix_acl_access_handler;
 
 #else
 
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 7fa02b4af838..b2cf2089769b 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -58,9 +58,9 @@ int reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *,
                               struct inode *, const char *, const void *,
                               size_t, int);
 
-extern struct xattr_handler reiserfs_xattr_user_handler;
-extern struct xattr_handler reiserfs_xattr_trusted_handler;
-extern struct xattr_handler reiserfs_xattr_security_handler;
+extern const struct xattr_handler reiserfs_xattr_user_handler;
+extern const struct xattr_handler reiserfs_xattr_trusted_handler;
+extern const struct xattr_handler reiserfs_xattr_security_handler;
 #ifdef CONFIG_REISERFS_FS_SECURITY
 int reiserfs_security_init(struct inode *dir, struct inode *inode,
                            struct reiserfs_security_handle *sec);
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index ca6b2b317991..1812dac8c496 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -16,6 +16,30 @@
 #include <linux/compiler.h>
 #include <linux/kmemtrace.h>
 
+#ifndef ARCH_KMALLOC_MINALIGN
+/*
+ * Enforce a minimum alignment for the kmalloc caches.
+ * Usually, the kmalloc caches are cache_line_size() aligned, except when
+ * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned.
+ * Some archs want to perform DMA into kmalloc caches and need a guaranteed
+ * alignment larger than the alignment of a 64-bit integer.
+ * ARCH_KMALLOC_MINALIGN allows that.
+ * Note that increasing this value may disable some debug features.
+ */
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+/*
+ * Enforce a minimum alignment for all caches.
+ * Intended for archs that get misalignment faults even for BYTES_PER_WORD
+ * aligned buffers. Includes ARCH_KMALLOC_MINALIGN.
+ * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables
+ * some debug features.
+ */
+#define ARCH_SLAB_MINALIGN 0
+#endif
+
 /*
  * struct kmem_cache
  *
diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
index 0ec00b39d006..62667f72c2ef 100644
--- a/include/linux/slob_def.h
+++ b/include/linux/slob_def.h
@@ -1,6 +1,14 @@
 #ifndef __LINUX_SLOB_DEF_H
 #define __LINUX_SLOB_DEF_H
 
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long)
+#endif
+
 void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
 
 static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep,
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 0249d4175bac..55695c8d2f8a 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -116,6 +116,14 @@ struct kmem_cache {
 
 #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
 
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
 /*
  * Maximum kmalloc object size handled by SLUB. Larger object allocations
  * are passed through to the page allocator. The page allocator "fastpath"
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 18e7c7c0cae6..997c3b4c212b 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -82,4 +82,11 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
                                       splice_direct_actor *);
 
+/*
+ * for dynamic pipe sizing
+ */
+extern int splice_grow_spd(struct pipe_inode_info *, struct splice_pipe_desc *);
+extern void splice_shrink_spd(struct pipe_inode_info *,
+                                struct splice_pipe_desc *);
+
 #endif
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1f59d9340c4d..ec2b7a42b45f 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -146,6 +146,7 @@ enum {
         SWP_DISCARDING  = (1 << 3),     /* now discarding a free cluster */
         SWP_SOLIDSTATE  = (1 << 4),     /* blkdev seeks are cheap */
         SWP_CONTINUED   = (1 << 5),     /* swap_map has count continuation */
+        SWP_BLKDEV      = (1 << 6),     /* its a block device */
                                         /* add others here before... */
         SWP_SCANNING    = (1 << 8),     /* refcount in scan_swap_map */
 };
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index bf2a0c748878..1dba6ee55203 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -150,6 +150,7 @@ extern int tboot_force_iommu(void);
 
 #else
 
+#define tboot_enabled()                 0
 #define tboot_probe()                   do { } while (0)
 #define tboot_shutdown(shutdown_type)   do { } while (0)
 #define tboot_sleep(sleep_state, pm1a_control, pm1b_control)    \
diff --git a/include/linux/timb_dma.h b/include/linux/timb_dma.h
new file mode 100644
index 000000000000..bb043e970b96
--- /dev/null
+++ b/include/linux/timb_dma.h
@@ -0,0 +1,55 @@
+/*
+ * timb_dma.h timberdale FPGA DMA driver defines
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supports:
+ * Timberdale FPGA DMA engine
+ */
+
+#ifndef _LINUX_TIMB_DMA_H
+#define _LINUX_TIMB_DMA_H
+
+/**
+ * struct timb_dma_platform_data_channel - Description of each individual
+ *      DMA channel for the timberdale DMA driver
+ * @rx:                 true if this channel handles data in the direction to
+ *      the CPU.
+ * @bytes_per_line:     Number of bytes per line, this is specific for channels
+ *      handling video data. For other channels this shall be left to 0.
+ * @descriptors:        Number of descriptors to allocate for this channel.
+ * @descriptor_elements: Number of elements in each descriptor.
+ *
+ */
+struct timb_dma_platform_data_channel {
+        bool rx;
+        unsigned int bytes_per_line;
+        unsigned int descriptors;
+        unsigned int descriptor_elements;
+};
+
+/**
+ * struct timb_dma_platform_data - Platform data of the timberdale DMA driver
+ * @nr_channels:        Number of defined channels in the channels array.
+ * @channels:           Definition of the each channel.
+ *
+ */
+struct timb_dma_platform_data {
+        unsigned nr_channels;
+        struct timb_dma_platform_data_channel channels[32];
+};
+
+#endif
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 40d1709bdbf4..aff5b4f74041 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -7,6 +7,7 @@
 #include <linux/spinlock.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/gfp.h>
 
 /**
  * virtqueue - a queue to register buffers for sending or receiving.
@@ -14,7 +15,6 @@
  * @callback: the function to call when buffers are consumed (can be NULL).
  * @name: the name of this virtqueue (mainly for debugging)
  * @vdev: the virtio device this queue was created for.
- * @vq_ops: the operations for this virtqueue (see below).
  * @priv: a pointer for the virtqueue implementation to use.
  */
 struct virtqueue {
@@ -22,60 +22,71 @@ struct virtqueue {
         void (*callback)(struct virtqueue *vq);
         const char *name;
         struct virtio_device *vdev;
-        struct virtqueue_ops *vq_ops;
         void *priv;
 };
 
 /**
- * virtqueue_ops - operations for virtqueue abstraction layer
- * @add_buf: expose buffer to other end
+ * operations for virtqueue
+ * virtqueue_add_buf: expose buffer to other end
  *      vq: the struct virtqueue we're talking about.
  *      sg: the description of the buffer(s).
  *      out_num: the number of sg readable by other side
  *      in_num: the number of sg which are writable (after readable ones)
  *      data: the token identifying the buffer.
+ *      gfp: how to do memory allocations (if necessary).
  *      Returns remaining capacity of queue (sg segments) or a negative error.
- * @kick: update after add_buf
+ * virtqueue_kick: update after add_buf
  *      vq: the struct virtqueue
  *      After one or more add_buf calls, invoke this to kick the other side.
- * @get_buf: get the next used buffer
+ * virtqueue_get_buf: get the next used buffer
  *      vq: the struct virtqueue we're talking about.
  *      len: the length written into the buffer
  *      Returns NULL or the "data" token handed to add_buf.
- * @disable_cb: disable callbacks
+ * virtqueue_disable_cb: disable callbacks
  *      vq: the struct virtqueue we're talking about.
  *      Note that this is not necessarily synchronous, hence unreliable and only
  *      useful as an optimization.
- * @enable_cb: restart callbacks after disable_cb.
+ * virtqueue_enable_cb: restart callbacks after disable_cb.
  *      vq: the struct virtqueue we're talking about.
  *      This re-enables callbacks; it returns "false" if there are pending
  *      buffers in the queue, to detect a possible race between the driver
  *      checking for more work, and enabling callbacks.
- * @detach_unused_buf: detach first unused buffer
+ * virtqueue_detach_unused_buf: detach first unused buffer
  *      vq: the struct virtqueue we're talking about.
  *      Returns NULL or the "data" token handed to add_buf
  *
  * Locking rules are straightforward: the driver is responsible for
  * locking.  No two operations may be invoked simultaneously, with the exception
- * of @disable_cb.
+ * of virtqueue_disable_cb.
  *
  * All operations can be called in any context.
  */
-struct virtqueue_ops {
-        int (*add_buf)(struct virtqueue *vq,
-                       struct scatterlist sg[],
-                       unsigned int out_num,
-                       unsigned int in_num,
-                       void *data);
 
-        void (*kick)(struct virtqueue *vq);
+int virtqueue_add_buf_gfp(struct virtqueue *vq,
+                          struct scatterlist sg[],
+                          unsigned int out_num,
+                          unsigned int in_num,
+                          void *data,
+                          gfp_t gfp);
 
-        void *(*get_buf)(struct virtqueue *vq, unsigned int *len);
+static inline int virtqueue_add_buf(struct virtqueue *vq,
+                                    struct scatterlist sg[],
+                                    unsigned int out_num,
+                                    unsigned int in_num,
+                                    void *data)
+{
+        return virtqueue_add_buf_gfp(vq, sg, out_num, in_num, data, GFP_ATOMIC);
+}
 
-        void (*disable_cb)(struct virtqueue *vq);
-        bool (*enable_cb)(struct virtqueue *vq);
-        void *(*detach_unused_buf)(struct virtqueue *vq);
-};
+void virtqueue_kick(struct virtqueue *vq);
+
+void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len);
+
+void virtqueue_disable_cb(struct virtqueue *vq);
+
+bool virtqueue_enable_cb(struct virtqueue *vq);
+
+void *virtqueue_detach_unused_buf(struct virtqueue *vq);
 
 /**
  * virtio_device - representation of a device using virtio
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index e52029e98919..167720d695ed 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -17,6 +17,8 @@
 #define VIRTIO_BLK_F_FLUSH      9       /* Cache flush command support */
 #define VIRTIO_BLK_F_TOPOLOGY   10      /* Topology information is available */
 
+#define VIRTIO_BLK_ID_BYTES     20      /* ID string length */
+
 struct virtio_blk_config {
         /* The capacity (in 512-byte sectors). */
         __u64 capacity;
@@ -67,6 +69,9 @@ struct virtio_blk_config {
 /* Cache flush command */
 #define VIRTIO_BLK_T_FLUSH      4
 
+/* Get device ID command */
+#define VIRTIO_BLK_T_GET_ID    8
+
 /* Barrier before this op. */
 #define VIRTIO_BLK_T_BARRIER    0x80000000
 
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index 92228a8fbcbc..a85064db8f94 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -12,14 +12,39 @@
 
 /* Feature bits */
 #define VIRTIO_CONSOLE_F_SIZE   0       /* Does host provide console size? */
+#define VIRTIO_CONSOLE_F_MULTIPORT 1    /* Does host provide multiple ports? */
+
+#define VIRTIO_CONSOLE_BAD_ID           (~(u32)0)
 
 struct virtio_console_config {
         /* colums of the screens */
         __u16 cols;
         /* rows of the screens */
         __u16 rows;
+        /* max. number of ports this device can hold */
+        __u32 max_nr_ports;
 } __attribute__((packed));
 
+/*
+ * A message that's passed between the Host and the Guest for a
+ * particular port.
+ */
+struct virtio_console_control {
+        __u32 id;               /* Port number */
+        __u16 event;            /* The kind of control event (see below) */
+        __u16 value;            /* Extra information for the key */
+};
+
+/* Some events for control messages */
+#define VIRTIO_CONSOLE_DEVICE_READY     0
+#define VIRTIO_CONSOLE_PORT_ADD         1
+#define VIRTIO_CONSOLE_PORT_REMOVE      2
+#define VIRTIO_CONSOLE_PORT_READY       3
+#define VIRTIO_CONSOLE_CONSOLE_PORT     4
+#define VIRTIO_CONSOLE_RESIZE           5
+#define VIRTIO_CONSOLE_PORT_OPEN        6
+#define VIRTIO_CONSOLE_PORT_NAME        7
+
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
 #endif /* __KERNEL__ */
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 36520ded3e06..cc97d6caf2b3 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -65,6 +65,15 @@ struct writeback_control {
          * so we use a single control to update them
          */
         unsigned no_nrwrite_index_update:1;
+
+        /*
+         * For WB_SYNC_ALL, the sb must always be pinned. For WB_SYNC_NONE,
+         * the writeback code will pin the sb for the caller. However,
+         * for eg umount, the caller does WB_SYNC_NONE but already has
+         * the sb pinned. If the below is set, caller already has the
+         * sb pinned.
+         */
+        unsigned sb_pinned:1;
 };
 
 /*
@@ -73,6 +82,7 @@ struct writeback_control {
 struct bdi_writeback;
 int inode_wait(void *);
 void writeback_inodes_sb(struct super_block *);
+void writeback_inodes_sb_locked(struct super_block *);
 int writeback_inodes_sb_if_idle(struct super_block *);
 void sync_inodes_sb(struct super_block *);
 void writeback_inodes_wbc(struct writeback_control *wbc);
@@ -96,8 +106,14 @@ static inline void inode_sync_wait(struct inode *inode)
 /*
  * mm/page-writeback.c
  */
-void laptop_io_completion(void);
+#ifdef CONFIG_BLOCK
+void laptop_io_completion(struct backing_dev_info *info);
 void laptop_sync_completion(void);
+void laptop_mode_sync(struct work_struct *work);
+void laptop_mode_timer_fn(unsigned long data);
+#else
+static inline void laptop_sync_completion(void) { }
+#endif
 void throttle_vm_writeout(gfp_t gfp_mask);
 
 /* These are exported to sysctl. */
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index fb9b7e6e1e2d..0cfa1e9c4cc1 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -37,7 +37,7 @@ struct inode;
 struct dentry;
 
 struct xattr_handler {
-        char *prefix;
+        const char *prefix;
         int flags;      /* fs private flags passed back to the handlers */
         size_t (*list)(struct dentry *dentry, char *list, size_t list_size,
                        const char *name, size_t name_len, int handler_flags);
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index b17d49dfc3ef..6dd3a51ab1cb 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -5,7 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
-#define TRACE_INCLUDE_FILE kvm
 
 #if defined(__KVM_HAVE_IOAPIC)
 TRACE_EVENT(kvm_set_irq,