Merge commit 'v3.1-rc7' into perf/core

Merge reason: Pick up the latest upstream fixes.

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

30 files changed, 207 insertions, 86 deletions

diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h
index 98999cf107c..feb91219674 100644
--- a/include/linux/basic_mmio_gpio.h
+++ b/include/linux/basic_mmio_gpio.h
@@ -63,15 +63,10 @@ static inline struct bgpio_chip *to_bgpio_chip(struct gpio_chip *gc)
 	return container_of(gc, struct bgpio_chip, gc);
 }
 
-int __devexit bgpio_remove(struct bgpio_chip *bgc);
-int __devinit bgpio_init(struct bgpio_chip *bgc,
-			 struct device *dev,
-			 unsigned long sz,
-			 void __iomem *dat,
-			 void __iomem *set,
-			 void __iomem *clr,
-			 void __iomem *dirout,
-			 void __iomem *dirin,
-			 bool big_endian);
+int bgpio_remove(struct bgpio_chip *bgc);
+int bgpio_init(struct bgpio_chip *bgc, struct device *dev,
+	       unsigned long sz, void __iomem *dat, void __iomem *set,
+	       void __iomem *clr, void __iomem *dirout, void __iomem *dirin,
+	       bool big_endian);
 
 #endif /* __BASIC_MMIO_GPIO_H */
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 6395692b2e7..71fc53bb8f1 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -124,8 +124,13 @@ enum rq_flag_bits {
 
 	__REQ_SYNC,		/* request is sync (sync write or read) */
 	__REQ_META,		/* metadata io request */
+	__REQ_PRIO,		/* boost priority in cfq */
 	__REQ_DISCARD,		/* request to discard sectors */
+	__REQ_SECURE,		/* secure discard (used with __REQ_DISCARD) */
+
 	__REQ_NOIDLE,		/* don't anticipate more IO after this one */
+	__REQ_FUA,		/* forced unit access */
+	__REQ_FLUSH,		/* request for cache flush */
 
 	/* bio only flags */
 	__REQ_RAHEAD,		/* read ahead, can fail anytime */
@@ -135,7 +140,6 @@ enum rq_flag_bits {
 	/* request only flags */
 	__REQ_SORTED,		/* elevator knows about this request */
 	__REQ_SOFTBARRIER,	/* may not be passed by ioscheduler */
-	__REQ_FUA,		/* forced unit access */
 	__REQ_NOMERGE,		/* don't touch this for merging */
 	__REQ_STARTED,		/* drive already may have started this one */
 	__REQ_DONTPREP,		/* don't call prep for this one */
@@ -146,11 +150,9 @@ enum rq_flag_bits {
 	__REQ_PREEMPT,		/* set for "ide_preempt" requests */
 	__REQ_ALLOCED,		/* request came from our alloc pool */
 	__REQ_COPY_USER,	/* contains copies of user pages */
-	__REQ_FLUSH,		/* request for cache flush */
 	__REQ_FLUSH_SEQ,	/* request for flush sequence */
 	__REQ_IO_STAT,		/* account I/O stat */
 	__REQ_MIXED_MERGE,	/* merge of different types, fail separately */
-	__REQ_SECURE,		/* secure discard (used with __REQ_DISCARD) */
 	__REQ_NR_BITS,		/* stops here */
 };
 
@@ -160,14 +162,15 @@ enum rq_flag_bits {
 #define REQ_FAILFAST_DRIVER	(1 << __REQ_FAILFAST_DRIVER)
 #define REQ_SYNC		(1 << __REQ_SYNC)
 #define REQ_META		(1 << __REQ_META)
+#define REQ_PRIO		(1 << __REQ_PRIO)
 #define REQ_DISCARD		(1 << __REQ_DISCARD)
 #define REQ_NOIDLE		(1 << __REQ_NOIDLE)
 
 #define REQ_FAILFAST_MASK \
 	(REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER)
 #define REQ_COMMON_MASK \
-	(REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \
-	 REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE)
+	(REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \
+	 REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE)
 #define REQ_CLONE_MASK		REQ_COMMON_MASK
 
 #define REQ_RAHEAD		(1 << __REQ_RAHEAD)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0e67c45b3bc..7fbaa910334 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -30,6 +30,7 @@ struct request_pm_state;
 struct blk_trace;
 struct request;
 struct sg_io_hdr;
+struct bsg_job;
 
 #define BLKDEV_MIN_RQ	4
 #define BLKDEV_MAX_RQ	128	/* Default maximum */
@@ -117,6 +118,7 @@ struct request {
 		struct {
 			unsigned int		seq;
 			struct list_head	list;
+			rq_end_io_fn		*saved_end_io;
 		} flush;
 	};
 
@@ -209,6 +211,7 @@ typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *,
 typedef void (softirq_done_fn)(struct request *);
 typedef int (dma_drain_needed_fn)(struct request *);
 typedef int (lld_busy_fn) (struct request_queue *q);
+typedef int (bsg_job_fn) (struct bsg_job *);
 
 enum blk_eh_timer_return {
 	BLK_EH_NOT_HANDLED,
@@ -375,6 +378,8 @@ struct request_queue {
 	struct mutex		sysfs_lock;
 
 #if defined(CONFIG_BLK_DEV_BSG)
+	bsg_job_fn		*bsg_job_fn;
+	int			bsg_job_size;
 	struct bsg_class_device bsg_dev;
 #endif
 
@@ -868,7 +873,6 @@ struct blk_plug {
 	struct list_head list;
 	struct list_head cb_list;
 	unsigned int should_sort;
-	unsigned int count;
 };
 #define BLK_MAX_REQUEST_COUNT 16
 
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 8c7c2de7631..8e9e4bc6d73 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -14,7 +14,7 @@
 enum blktrace_cat {
 	BLK_TC_READ	= 1 << 0,	/* reads */
 	BLK_TC_WRITE	= 1 << 1,	/* writes */
-	BLK_TC_BARRIER	= 1 << 2,	/* barrier */
+	BLK_TC_FLUSH	= 1 << 2,	/* flush */
 	BLK_TC_SYNC	= 1 << 3,	/* sync IO */
 	BLK_TC_SYNCIO	= BLK_TC_SYNC,
 	BLK_TC_QUEUE	= 1 << 4,	/* queueing/merging */
@@ -28,8 +28,9 @@ enum blktrace_cat {
 	BLK_TC_META	= 1 << 12,	/* metadata */
 	BLK_TC_DISCARD	= 1 << 13,	/* discard requests */
 	BLK_TC_DRV_DATA	= 1 << 14,	/* binary per-driver data */
+	BLK_TC_FUA	= 1 << 15,	/* fua requests */
 
-	BLK_TC_END	= 1 << 15,	/* only 16-bits, reminder */
+	BLK_TC_END	= 1 << 15,	/* we've run out of bits! */
 };
 
 #define BLK_TC_SHIFT		(16)
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
new file mode 100644
index 00000000000..f55ab8cdc10
--- /dev/null
+++ b/include/linux/bsg-lib.h
@@ -0,0 +1,73 @@
+/*
+ *  BSG helper library
+ *
+ *  Copyright (C) 2008   James Smart, Emulex Corporation
+ *  Copyright (C) 2011   Red Hat, Inc.  All rights reserved.
+ *  Copyright (C) 2011   Mike Christie
+ *
+ *  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
+ *
+ */
+#ifndef _BLK_BSG_
+#define _BLK_BSG_
+
+#include <linux/blkdev.h>
+
+struct request;
+struct device;
+struct scatterlist;
+struct request_queue;
+
+struct bsg_buffer {
+	unsigned int payload_len;
+	int sg_cnt;
+	struct scatterlist *sg_list;
+};
+
+struct bsg_job {
+	struct device *dev;
+	struct request *req;
+
+	/* Transport/driver specific request/reply structs */
+	void *request;
+	void *reply;
+
+	unsigned int request_len;
+	unsigned int reply_len;
+	/*
+	 * On entry : reply_len indicates the buffer size allocated for
+	 * the reply.
+	 *
+	 * Upon completion : the message handler must set reply_len
+	 *  to indicates the size of the reply to be returned to the
+	 *  caller.
+	 */
+
+	/* DMA payloads for the request/response */
+	struct bsg_buffer request_payload;
+	struct bsg_buffer reply_payload;
+
+	void *dd_data;		/* Used for driver-specific storage */
+};
+
+void bsg_job_done(struct bsg_job *job, int result,
+		  unsigned int reply_payload_rcv_len);
+int bsg_setup_queue(struct device *dev, struct request_queue *q, char *name,
+		    bsg_job_fn *job_fn, int dd_job_size);
+void bsg_request_fn(struct request_queue *q);
+void bsg_remove_queue(struct request_queue *q);
+void bsg_goose_queue(struct request_queue *q);
+
+#endif
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 8779405e15a..c6e7523bf76 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -438,7 +438,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 				 struct compat_timespec __user *tsp,
 				 const compat_sigset_t __user *sigmask,
 				 compat_size_t sigsetsize);
-asmlinkage long compat_sys_nfsservctl(int cmd, void *notused, void *notused2);
 asmlinkage long compat_sys_signalfd4(int ufd,
 				     const compat_sigset_t __user *sigmask,
 				     compat_size_t sigsetsize, int flags);
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 0c69ad825b3..3c9c54fd569 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -1,7 +1,7 @@
 /*
  * 	connector.h
  * 
- * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  * All rights reserved.
  * 
  * This program is free software; you can redistribute it and/or modify
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 178cdb4f1d4..277f497923a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -162,10 +162,8 @@ struct inodes_stat_t {
 #define READA			RWA_MASK
 
 #define READ_SYNC		(READ | REQ_SYNC)
-#define READ_META		(READ | REQ_META)
 #define WRITE_SYNC		(WRITE | REQ_SYNC | REQ_NOIDLE)
 #define WRITE_ODIRECT		(WRITE | REQ_SYNC)
-#define WRITE_META		(WRITE | REQ_META)
 #define WRITE_FLUSH		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH)
 #define WRITE_FUA		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA)
 #define WRITE_FLUSH_FUA		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
@@ -2318,6 +2316,11 @@ extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*te
 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 *);
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
+#else
+static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
+#endif
 extern void unlock_new_inode(struct inode *);
 extern unsigned int get_next_ino(void);
 
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index d464de53db4..464cff52686 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -47,6 +47,9 @@
  *  - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct
  *    fuse_ioctl_iovec' instead of ambiguous 'struct iovec'
  *  - add FUSE_IOCTL_32BIT flag
+ *
+ * 7.17
+ *  - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK
  */
 
 #ifndef _LINUX_FUSE_H
@@ -78,7 +81,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 16
+#define FUSE_KERNEL_MINOR_VERSION 17
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -153,8 +156,10 @@ struct fuse_file_lock {
 /**
  * INIT request/reply flags
  *
+ * FUSE_POSIX_LOCKS: remote locking for POSIX file locks
  * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
  * FUSE_DONT_MASK: don't apply umask to file mode on create operations
+ * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks
  */
 #define FUSE_ASYNC_READ		(1 << 0)
 #define FUSE_POSIX_LOCKS	(1 << 1)
@@ -163,6 +168,7 @@ struct fuse_file_lock {
 #define FUSE_EXPORT_SUPPORT	(1 << 4)
 #define FUSE_BIG_WRITES		(1 << 5)
 #define FUSE_DONT_MASK		(1 << 6)
+#define FUSE_FLOCK_LOCKS	(1 << 10)
 
 /**
  * CUSE INIT request/reply flags
@@ -175,6 +181,7 @@ struct fuse_file_lock {
  * Release flags
  */
 #define FUSE_RELEASE_FLUSH	(1 << 0)
+#define FUSE_RELEASE_FLOCK_UNLOCK	(1 << 1)
 
 /**
  * Getattr flags
diff --git a/include/linux/hash.h b/include/linux/hash.h
index 06d25c189cc..b80506bdd73 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -63,7 +63,7 @@ static inline u32 hash_32(u32 val, unsigned int bits)
 	return hash >> (32 - bits);
 }
 
-static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
+static inline unsigned long hash_ptr(const void *ptr, unsigned int bits)
 {
 	return hash_long((unsigned long)ptr, bits);
 }
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 66c194e2d9b..683d6989011 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -64,7 +64,6 @@ struct loop_device {
 
 	struct request_queue	*lo_queue;
 	struct gendisk		*lo_disk;
-	struct list_head	lo_list;
 };
 
 #endif /* __KERNEL__ */
@@ -161,4 +160,8 @@ int loop_unregister_transfer(int number);
 #define LOOP_CHANGE_FD		0x4C06
 #define LOOP_SET_CAPACITY	0x4C07
 
+/* /dev/loop-control interface */
+#define LOOP_CTL_ADD		0x4C80
+#define LOOP_CTL_REMOVE		0x4C81
+#define LOOP_CTL_GET_FREE	0x4C82
 #endif
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3b535db00a9..343bd7661f2 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -39,16 +39,6 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					struct mem_cgroup *mem_cont,
 					int active, int file);
 
-struct memcg_scanrecord {
-	struct mem_cgroup *mem; /* scanend memory cgroup */
-	struct mem_cgroup *root; /* scan target hierarchy root */
-	int context;		/* scanning context (see memcontrol.c) */
-	unsigned long nr_scanned[2]; /* the number of scanned pages */
-	unsigned long nr_rotated[2]; /* the number of rotated pages */
-	unsigned long nr_freed[2]; /* the number of freed pages */
-	unsigned long elapsed; /* nsec of time elapsed while scanning */
-};
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -127,15 +117,6 @@ mem_cgroup_get_reclaim_stat_from_page(struct page *page);
 extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
 					struct task_struct *p);
 
-extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
-						  gfp_t gfp_mask, bool noswap,
-						  struct memcg_scanrecord *rec);
-extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
-						gfp_t gfp_mask, bool noswap,
-						struct zone *zone,
-						struct memcg_scanrecord *rec,
-						unsigned long *nr_scanned);
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 extern int do_swap_account;
 #endif
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index d12f8d635a8..97cf4f27d64 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -26,7 +26,7 @@ struct wm8994_ldo_pdata {
 	struct regulator_init_data *init_data;
 };
 
-#define WM8994_CONFIGURE_GPIO 0x8000
+#define WM8994_CONFIGURE_GPIO 0x10000
 
 #define WM8994_DRC_REGS 5
 #define WM8994_EQ_REGS  20
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 18fd13028ba..c309b1ecdc1 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -40,6 +40,7 @@
 #define BTRFS_MINOR		234
 #define AUTOFS_MINOR		235
 #define MAPPER_CTRL_MINOR	236
+#define LOOP_CTRL_MINOR		237
 #define MISC_DYNAMIC_MINOR	255
 
 struct device;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fd599f4bb84..7438071b44a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -685,7 +685,7 @@ static inline void set_page_section(struct page *page, unsigned long section)
 	page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
 }
 
-static inline unsigned long page_to_section(struct page *page)
+static inline unsigned long page_to_section(const struct page *page)
 {
 	return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
 }
@@ -720,7 +720,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
 
 static __always_inline void *lowmem_page_address(const struct page *page)
 {
-	return __va(PFN_PHYS(page_to_pfn((struct page *)page)));
+	return __va(PFN_PHYS(page_to_pfn(page)));
 }
 
 #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)
@@ -737,7 +737,7 @@ static __always_inline void *lowmem_page_address(const struct page *page)
 #endif
 
 #if defined(HASHED_PAGE_VIRTUAL)
-void *page_address(struct page *page);
+void *page_address(const struct page *page);
 void set_page_address(struct page *page, void *virtual);
 void page_address_init(void);
 #endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f27893b3b72..8c230cbcbb4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -251,7 +251,8 @@ struct pci_dev {
 	u8		revision;	/* PCI revision, low byte of class word */
 	u8		hdr_type;	/* PCI header type (`multi' flag masked out) */
 	u8		pcie_cap;	/* PCI-E capability offset */
-	u8		pcie_type;	/* PCI-E device/port type */
+	u8		pcie_type:4;	/* PCI-E device/port type */
+	u8		pcie_mpss:3;	/* PCI-E Max Payload Size Supported */
 	u8		rom_base_reg;	/* which config register controls the ROM */
 	u8		pin;  		/* which interrupt pin this device uses */
 
@@ -617,6 +618,16 @@ struct pci_driver {
 /* these external functions are only available when PCI support is enabled */
 #ifdef CONFIG_PCI
 
+extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
+
+enum pcie_bus_config_types {
+	PCIE_BUS_PERFORMANCE,
+	PCIE_BUS_SAFE,
+	PCIE_BUS_PEER2PEER,
+};
+
+extern enum pcie_bus_config_types pcie_bus_config;
+
 extern struct bus_type pci_bus_type;
 
 /* Do NOT directly access these two variables, unless you are arch specific pci
@@ -796,10 +807,13 @@ int pcix_get_mmrbc(struct pci_dev *dev);
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
 int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
+int pcie_get_mps(struct pci_dev *dev);
+int pcie_set_mps(struct pci_dev *dev, int mps);
 int __pci_reset_function(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
 void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
+int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
 /* ROM control related routines */
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 245bafdafd5..c816075c01c 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -944,8 +944,10 @@ extern void perf_pmu_unregister(struct pmu *pmu);
 
 extern int perf_num_counters(void);
 extern const char *perf_pmu_name(void);
-extern void __perf_event_task_sched_in(struct task_struct *task);
-extern void __perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
+extern void __perf_event_task_sched_in(struct task_struct *prev,
+				       struct task_struct *task);
+extern void __perf_event_task_sched_out(struct task_struct *prev,
+					struct task_struct *next);
 extern int perf_event_init_task(struct task_struct *child);
 extern void perf_event_exit_task(struct task_struct *child);
 extern void perf_event_free_task(struct task_struct *task);
@@ -1059,17 +1061,20 @@ perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
 
 extern struct jump_label_key perf_sched_events;
 
-static inline void perf_event_task_sched_in(struct task_struct *task)
+static inline void perf_event_task_sched_in(struct task_struct *prev,
+					    struct task_struct *task)
 {
 	if (static_branch(&perf_sched_events))
-		__perf_event_task_sched_in(task);
+		__perf_event_task_sched_in(prev, task);
 }
 
-static inline void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
+static inline void perf_event_task_sched_out(struct task_struct *prev,
+					     struct task_struct *next)
 {
 	perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, NULL, 0);
 
-	__perf_event_task_sched_out(task, next);
+	if (static_branch(&perf_sched_events))
+		__perf_event_task_sched_out(prev, next);
 }
 
 extern void perf_event_mmap(struct vm_area_struct *vma);
@@ -1139,10 +1144,11 @@ extern void perf_event_disable(struct perf_event *event);
 extern void perf_event_task_tick(void);
 #else
 static inline void
-perf_event_task_sched_in(struct task_struct *task)			{ }
+perf_event_task_sched_in(struct task_struct *prev,
+			 struct task_struct *task)			{ }
 static inline void
-perf_event_task_sched_out(struct task_struct *task,
-			    struct task_struct *next)			{ }
+perf_event_task_sched_out(struct task_struct *prev,
+			  struct task_struct *next)			{ }
 static inline int perf_event_init_task(struct task_struct *child)	{ return 0; }
 static inline void perf_event_exit_task(struct task_struct *child)	{ }
 static inline void perf_event_free_task(struct task_struct *task)	{ }
diff --git a/include/linux/personality.h b/include/linux/personality.h
index eec3bae164d..8fc7dd1a57f 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -22,6 +22,7 @@ extern int		__set_personality(unsigned int);
  * These occupy the top three bytes.
  */
 enum {
+	UNAME26	=               0x0020000,
 	ADDR_NO_RANDOMIZE = 	0x0040000,	/* disable randomization of VA space */
 	FDPIC_FUNCPTRS =	0x0080000,	/* userspace function ptrs point to descriptors
 						 * (signal handling)
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 21097cb086f..f9ec1736a11 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -72,8 +72,6 @@ extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 extern void pm_genpd_init(struct generic_pm_domain *genpd,
 			  struct dev_power_governor *gov, bool is_off);
 extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
-extern void pm_genpd_poweroff_unused(void);
-extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd);
 #else
 static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
 				      struct device *dev)
@@ -101,8 +99,14 @@ static inline int pm_genpd_poweron(struct generic_pm_domain *genpd)
 {
 	return -ENOSYS;
 }
-static inline void pm_genpd_poweroff_unused(void) {}
+#endif
+
+#ifdef CONFIG_PM_GENERIC_DOMAINS_RUNTIME
+extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd);
+extern void pm_genpd_poweroff_unused(void);
+#else
 static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {}
+static inline void pm_genpd_poweroff_unused(void) {}
 #endif
 
 #endif /* _LINUX_PM_DOMAIN_H */
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 5e3e25a3c9c..63d2df43e61 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -14,6 +14,7 @@ struct platform_pwm_backlight_data {
 	unsigned int pwm_period_ns;
 	int (*init)(struct device *dev);
 	int (*notify)(struct device *dev, int brightness);
+	void (*notify_after)(struct device *dev, int brightness);
 	void (*exit)(struct device *dev);
 	int (*check_fb)(struct device *dev, struct fb_info *info);
 };
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 26f6ea4444e..b47771aa571 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -123,7 +123,7 @@ struct regulator_bulk_data {
 	const char *supply;
 	struct regulator *consumer;
 
-	/* Internal use */
+	/* private: Internal use */
 	int ret;
 };
 
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 9026b30238f..218168a2b5e 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -36,12 +36,12 @@
 #define  RIO_PEF_PROCESSOR		0x20000000	/* [I] Processor */
 #define  RIO_PEF_SWITCH			0x10000000	/* [I] Switch */
 #define  RIO_PEF_MULTIPORT		0x08000000	/* [VI, 2.1] Multiport */
-#define  RIO_PEF_INB_MBOX		0x00f00000	/* [II] Mailboxes */
-#define  RIO_PEF_INB_MBOX0		0x00800000	/* [II] Mailbox 0 */
-#define  RIO_PEF_INB_MBOX1		0x00400000	/* [II] Mailbox 1 */
-#define  RIO_PEF_INB_MBOX2		0x00200000	/* [II] Mailbox 2 */
-#define  RIO_PEF_INB_MBOX3		0x00100000	/* [II] Mailbox 3 */
-#define  RIO_PEF_INB_DOORBELL		0x00080000	/* [II] Doorbells */
+#define  RIO_PEF_INB_MBOX		0x00f00000	/* [II, <= 1.2] Mailboxes */
+#define  RIO_PEF_INB_MBOX0		0x00800000	/* [II, <= 1.2] Mailbox 0 */
+#define  RIO_PEF_INB_MBOX1		0x00400000	/* [II, <= 1.2] Mailbox 1 */
+#define  RIO_PEF_INB_MBOX2		0x00200000	/* [II, <= 1.2] Mailbox 2 */
+#define  RIO_PEF_INB_MBOX3		0x00100000	/* [II, <= 1.2] Mailbox 3 */
+#define  RIO_PEF_INB_DOORBELL		0x00080000	/* [II, <= 1.2] Doorbells */
 #define  RIO_PEF_EXT_RT			0x00000200	/* [III, 1.3] Extended route table support */
 #define  RIO_PEF_STD_RT			0x00000100	/* [III, 1.3] Standard route table support */
 #define  RIO_PEF_CTLS			0x00000010	/* [III] CTLS */
@@ -102,7 +102,7 @@
 #define	RIO_SWITCH_RT_LIMIT	0x34	/* [III, 1.3] Switch Route Table Destination ID Limit CAR */
 #define	 RIO_RT_MAX_DESTID		0x0000ffff
 
-#define RIO_MBOX_CSR		0x40	/* [II] Mailbox CSR */
+#define RIO_MBOX_CSR		0x40	/* [II, <= 1.2] Mailbox CSR */
 #define  RIO_MBOX0_AVAIL		0x80000000	/* [II] Mbox 0 avail */
 #define  RIO_MBOX0_FULL			0x40000000	/* [II] Mbox 0 full */
 #define  RIO_MBOX0_EMPTY		0x20000000	/* [II] Mbox 0 empty */
@@ -128,8 +128,8 @@
 #define  RIO_MBOX3_FAIL			0x00000008	/* [II] Mbox 3 fail */
 #define  RIO_MBOX3_ERROR		0x00000004	/* [II] Mbox 3 error */
 
-#define RIO_WRITE_PORT_CSR	0x44	/* [I] Write Port CSR */
-#define RIO_DOORBELL_CSR	0x44	/* [II] Doorbell CSR */
+#define RIO_WRITE_PORT_CSR	0x44	/* [I, <= 1.2] Write Port CSR */
+#define RIO_DOORBELL_CSR	0x44	/* [II, <= 1.2] Doorbell CSR */
 #define  RIO_DOORBELL_AVAIL		0x80000000	/* [II] Doorbell avail */
 #define  RIO_DOORBELL_FULL		0x40000000	/* [II] Doorbell full */
 #define  RIO_DOORBELL_EMPTY		0x20000000	/* [II] Doorbell empty */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7b996ed86d5..8bd383caa36 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -524,6 +524,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
 extern bool skb_recycle_check(struct sk_buff *skb, int skb_size);
 
 extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
+extern int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask);
 extern struct sk_buff *skb_clone(struct sk_buff *skb,
 				 gfp_t priority);
 extern struct sk_buff *skb_copy(const struct sk_buff *skb,
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 12b2b18e50c..e16557a357e 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -231,6 +231,8 @@ enum
 	LINUX_MIB_TCPDEFERACCEPTDROP,
 	LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */
 	LINUX_MIB_TCPTIMEWAITOVERFLOW,		/* TCPTimeWaitOverflow */
+	LINUX_MIB_TCPREQQFULLDOCOOKIES,		/* TCPReqQFullDoCookies */
+	LINUX_MIB_TCPREQQFULLDROP,		/* TCPReqQFullDrop */
 	__LINUX_MIB_MAX
 };
 
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 14d62490922..c71f84bb62e 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -252,6 +252,12 @@ static inline void lru_cache_add_file(struct page *page)
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
 extern int __isolate_lru_page(struct page *page, int mode, int file);
+extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
+						  gfp_t gfp_mask, bool noswap);
+extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
+						gfp_t gfp_mask, bool noswap,
+						struct zone *zone,
+						unsigned long *nr_scanned);
 extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
 extern int remove_mapping(struct address_space *mapping, struct page *page);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 8c03b98df5f..1ff0ec2a5e8 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -702,9 +702,6 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
 asmlinkage long sys_sysfs(int option,
 				unsigned long arg1, unsigned long arg2);
-asmlinkage long sys_nfsservctl(int cmd,
-				struct nfsctl_arg __user *arg,
-				void __user *res);
 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 asmlinkage long sys_uselib(const char __user *library);
 asmlinkage long sys_ni_syscall(void);
diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h
index b004e557caa..2ef4385da6b 100644
--- a/include/linux/ti_wilink_st.h
+++ b/include/linux/ti_wilink_st.h
@@ -410,7 +410,28 @@ struct gps_event_hdr {
 	u16 plen;
 } __attribute__ ((packed));
 
-/* platform data */
+/**
+ * struct ti_st_plat_data - platform data shared between ST driver and
+ *	platform specific board file which adds the ST device.
+ * @nshutdown_gpio: Host's GPIO line to which chip's BT_EN is connected.
+ * @dev_name: The UART/TTY name to which chip is interfaced. (eg: /dev/ttyS1)
+ * @flow_cntrl: Should always be 1, since UART's CTS/RTS is used for PM
+ *	purposes.
+ * @baud_rate: The baud rate supported by the Host UART controller, this will
+ *	be shared across with the chip via a HCI VS command from User-Space Init
+ *	Mgr application.
+ * @suspend:
+ * @resume: legacy PM routines hooked to platform specific board file, so as
+ *	to take chip-host interface specific action.
+ * @chip_enable:
+ * @chip_disable: Platform/Interface specific mux mode setting, GPIO
+ *	configuring, Host side PM disabling etc.. can be done here.
+ * @chip_asleep:
+ * @chip_awake: Chip specific deep sleep states is communicated to Host
+ *	specific board-xx.c to take actions such as cut UART clocks when chip
+ *	asleep or run host faster when chip awake etc..
+ *
+ */
 struct ti_st_plat_data {
 	long nshutdown_gpio;
 	unsigned char dev_name[UART_DEV_NAME_LEN]; /* uart name */
@@ -418,6 +439,10 @@ struct ti_st_plat_data {
 	unsigned long baud_rate;
 	int (*suspend)(struct platform_device *, pm_message_t);
 	int (*resume)(struct platform_device *);
+	int (*chip_enable) (struct kim_data_s *);
+	int (*chip_disable) (struct kim_data_s *);
+	int (*chip_asleep) (struct kim_data_s *);
+	int (*chip_awake) (struct kim_data_s *);
 };
 
 #endif /* TI_WILINK_ST_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 44bc0c5617e..5f2ede82b3d 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -421,6 +421,8 @@ 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 winsize *ws);
+extern void tty_driver_remove_tty(struct tty_driver *driver,
+				  struct tty_struct *tty);
 extern void tty_shutdown(struct tty_struct *tty);
 extern void tty_free_termios(struct tty_struct *tty);
 extern int is_current_pgrp_orphaned(void);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 9deeac85524..ecdaeb98b29 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -47,6 +47,9 @@
  *
  * 	This routine is called synchronously when a particular tty device
  *	is closed for the last time freeing up the resources.
+ *	Note that tty_shutdown() is not called if ops->shutdown is defined.
+ *	This means one is responsible to take care of calling ops->remove (e.g.
+ *	via tty_driver_remove_tty) and releasing tty->termios.
  *
  *
  * void (*cleanup)(struct tty_struct * tty);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f1bfa12ea24..2b8963ff0f3 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -12,15 +12,6 @@
  *
  *	(thresh - thresh/DIRTY_FULL_SCOPE, thresh)
  *
- * The 1/16 region above the global dirty limit will be put to maximum pauses:
- *
- *	(limit, limit + limit/DIRTY_MAXPAUSE_AREA)
- *
- * The 1/16 region above the max-pause region, dirty exceeded bdi's will be put
- * to loops:
- *
- *	(limit + limit/DIRTY_MAXPAUSE_AREA, limit + limit/DIRTY_PASSGOOD_AREA)
- *
  * Further beyond, all dirtier tasks will enter a loop waiting (possibly long
  * time) for the dirty pages to drop, unless written enough pages.
  *
@@ -31,8 +22,6 @@
  */
 #define DIRTY_SCOPE		8
 #define DIRTY_FULL_SCOPE	(DIRTY_SCOPE / 2)
-#define DIRTY_MAXPAUSE_AREA		16
-#define DIRTY_PASSGOOD_AREA		8
 
 /*
  * 4MB minimal write chunk size