Merge branch 'memdup_user_nul' into work.misc

27 files changed, 110 insertions, 78 deletions

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 2b8ed123ad36..defeaac0745f 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -107,7 +107,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift)
  */
 static inline __u32 rol32(__u32 word, unsigned int shift)
 {
-        return (word << shift) | (word >> (32 - shift));
+        return (word << shift) | (word >> ((-shift) & 31));
 }
 
 /**
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 60d44b26276d..06b77f9dd3f2 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -90,7 +90,6 @@ enum {
  */
 struct cgroup_file {
         /* do not access any fields from outside cgroup core */
-        struct list_head node;                  /* anchored at css->files */
         struct kernfs_node *kn;
 };
 
@@ -134,9 +133,6 @@ struct cgroup_subsys_state {
          */
         u64 serial_nr;
 
-        /* all cgroup_files associated with this css */
-        struct list_head files;
-
         /* percpu_ref killing and RCU release */
         struct rcu_head rcu_head;
         struct work_struct destroy_work;
@@ -426,12 +422,9 @@ struct cgroup_subsys {
         void (*css_reset)(struct cgroup_subsys_state *css);
         void (*css_e_css_changed)(struct cgroup_subsys_state *css);
 
-        int (*can_attach)(struct cgroup_subsys_state *css,
-                          struct cgroup_taskset *tset);
-        void (*cancel_attach)(struct cgroup_subsys_state *css,
-                              struct cgroup_taskset *tset);
-        void (*attach)(struct cgroup_subsys_state *css,
-                       struct cgroup_taskset *tset);
+        int (*can_attach)(struct cgroup_taskset *tset);
+        void (*cancel_attach)(struct cgroup_taskset *tset);
+        void (*attach)(struct cgroup_taskset *tset);
         int (*can_fork)(struct task_struct *task, void **priv_p);
         void (*cancel_fork)(struct task_struct *task, void *priv);
         void (*fork)(struct task_struct *task, void *priv);
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 22e3754f89c5..cb91b44f5f78 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -88,6 +88,7 @@ int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from);
 int cgroup_add_dfl_cftypes(struct cgroup_subsys *ss, struct cftype *cfts);
 int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts);
 int cgroup_rm_cftypes(struct cftype *cfts);
+void cgroup_file_notify(struct cgroup_file *cfile);
 
 char *task_cgroup_path(struct task_struct *task, char *buf, size_t buflen);
 int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry);
@@ -119,8 +120,10 @@ struct cgroup_subsys_state *css_rightmost_descendant(struct cgroup_subsys_state
 struct cgroup_subsys_state *css_next_descendant_post(struct cgroup_subsys_state *pos,
                                                      struct cgroup_subsys_state *css);
 
-struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset);
-struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset);
+struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset,
+                                         struct cgroup_subsys_state **dst_cssp);
+struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset,
+                                        struct cgroup_subsys_state **dst_cssp);
 
 void css_task_iter_start(struct cgroup_subsys_state *css,
                          struct css_task_iter *it);
@@ -235,30 +238,39 @@ void css_task_iter_end(struct css_task_iter *it);
 /**
  * cgroup_taskset_for_each - iterate cgroup_taskset
  * @task: the loop cursor
+ * @dst_css: the destination css
  * @tset: taskset to iterate
  *
  * @tset may contain multiple tasks and they may belong to multiple
- * processes.  When there are multiple tasks in @tset, if a task of a
- * process is in @tset, all tasks of the process are in @tset.  Also, all
- * are guaranteed to share the same source and destination csses.
+ * processes.
+ *
+ * On the v2 hierarchy, there may be tasks from multiple processes and they
+ * may not share the source or destination csses.
+ *
+ * On traditional hierarchies, when there are multiple tasks in @tset, if a
+ * task of a process is in @tset, all tasks of the process are in @tset.
+ * Also, all are guaranteed to share the same source and destination csses.
  *
  * Iteration is not in any specific order.
  */
-#define cgroup_taskset_for_each(task, tset)                             \
-        for ((task) = cgroup_taskset_first((tset)); (task);             \
-             (task) = cgroup_taskset_next((tset)))
+#define cgroup_taskset_for_each(task, dst_css, tset)                    \
+        for ((task) = cgroup_taskset_first((tset), &(dst_css));         \
+             (task);                                                    \
+             (task) = cgroup_taskset_next((tset), &(dst_css)))
 
 /**
  * cgroup_taskset_for_each_leader - iterate group leaders in a cgroup_taskset
  * @leader: the loop cursor
+ * @dst_css: the destination css
  * @tset: takset to iterate
  *
  * Iterate threadgroup leaders of @tset.  For single-task migrations, @tset
  * may not contain any.
  */
-#define cgroup_taskset_for_each_leader(leader, tset)                    \
-        for ((leader) = cgroup_taskset_first((tset)); (leader);         \
-             (leader) = cgroup_taskset_next((tset)))                    \
+#define cgroup_taskset_for_each_leader(leader, dst_css, tset)           \
+        for ((leader) = cgroup_taskset_first((tset), &(dst_css));       \
+             (leader);                                                  \
+             (leader) = cgroup_taskset_next((tset), &(dst_css)))        \
                 if ((leader) != (leader)->group_leader)                 \
                         ;                                               \
                 else
@@ -516,19 +528,6 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp)
         pr_cont_kernfs_path(cgrp->kn);
 }
 
-/**
- * cgroup_file_notify - generate a file modified event for a cgroup_file
- * @cfile: target cgroup_file
- *
- * @cfile must have been obtained by setting cftype->file_offset.
- */
-static inline void cgroup_file_notify(struct cgroup_file *cfile)
-{
-        /* might not have been created due to one of the CFTYPE selector flags */
-        if (cfile->kn)
-                kernfs_notify(cfile->kn);
-}
-
 #else /* !CONFIG_CGROUPS */
 
 struct cgroup_subsys_state;
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 7be22da321f3..a4cf57cd0f75 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -29,7 +29,11 @@
 /* A few generic types ... taken from ses-2 */
 enum enclosure_component_type {
         ENCLOSURE_COMPONENT_DEVICE = 0x01,
+        ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07,
+        ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14,
+        ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15,
         ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
+        ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18,
 };
 
 /* ses-2 common element status */
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index c9ae0c6ec050..d5d798b35c1f 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -330,6 +330,7 @@ struct rdists {
 };
 
 struct irq_domain;
+struct device_node;
 int its_cpu_init(void);
 int its_init(struct device_node *node, struct rdists *rdists,
              struct irq_domain *domain);
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 8dde55974f18..0536524bb9eb 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -5,7 +5,7 @@
  * Jump label support
  *
  * Copyright (C) 2009-2012 Jason Baron <jbaron@redhat.com>
- * Copyright (C) 2011-2012 Peter Zijlstra <pzijlstr@redhat.com>
+ * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra
  *
  * DEPRECATED API:
  *
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
index d0a1f99e24e3..4894c6888bc6 100644
--- a/include/linux/kmemleak.h
+++ b/include/linux/kmemleak.h
@@ -25,7 +25,7 @@
 
 #ifdef CONFIG_DEBUG_KMEMLEAK
 
-extern void kmemleak_init(void) __ref;
+extern void kmemleak_init(void) __init;
 extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
                            gfp_t gfp) __ref;
 extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 83577f8fd15b..600c1e0626a5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -210,6 +210,7 @@ enum {
         ATA_FLAG_SLAVE_POSS     = (1 << 0), /* host supports slave dev */
                                             /* (doesn't imply presence) */
         ATA_FLAG_SATA           = (1 << 1),
+        ATA_FLAG_NO_LOG_PAGE    = (1 << 5), /* do not issue log page read */
         ATA_FLAG_NO_ATAPI       = (1 << 6), /* No ATAPI support */
         ATA_FLAG_PIO_DMA        = (1 << 7), /* PIO cmds via DMA */
         ATA_FLAG_PIO_LBA48      = (1 << 8), /* Host DMA engine is LBA28 only */
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index c6916aec43b6..034117b3be5f 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -50,9 +50,16 @@ enum {
         NVM_IO_DUAL_ACCESS      = 0x1,
         NVM_IO_QUAD_ACCESS      = 0x2,
 
+        /* NAND Access Modes */
         NVM_IO_SUSPEND          = 0x80,
         NVM_IO_SLC_MODE         = 0x100,
         NVM_IO_SCRAMBLE_DISABLE = 0x200,
+
+        /* Block Types */
+        NVM_BLK_T_FREE          = 0x0,
+        NVM_BLK_T_BAD           = 0x1,
+        NVM_BLK_T_DEV           = 0x2,
+        NVM_BLK_T_HOST          = 0x4,
 };
 
 struct nvm_id_group {
@@ -176,17 +183,17 @@ struct nvm_block;
 
 typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *);
 typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *);
-typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *);
-typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32,
+typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *);
+typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32,
                                 nvm_l2p_update_fn *, void *);
 typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int,
                                 nvm_bb_update_fn *, void *);
-typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int);
-typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *);
-typedef int (nvm_erase_blk_fn)(struct request_queue *, struct nvm_rq *);
-typedef void *(nvm_create_dma_pool_fn)(struct request_queue *, char *);
+typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int);
+typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
+typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *);
+typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *);
 typedef void (nvm_destroy_dma_pool_fn)(void *);
-typedef void *(nvm_dev_dma_alloc_fn)(struct request_queue *, void *, gfp_t,
+typedef void *(nvm_dev_dma_alloc_fn)(struct nvm_dev *, void *, gfp_t,
                                                                 dma_addr_t *);
 typedef void (nvm_dev_dma_free_fn)(void *, void*, dma_addr_t);
 
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 70400dc7660f..c57e424d914b 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -2,7 +2,7 @@
  * Runtime locking correctness validator
  *
  *  Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
- *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
+ *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra
  *
  * see Documentation/locking/lockdep-design.txt for more details.
  */
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 7501626ab529..d3133be12d92 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -427,6 +427,17 @@ enum {
 };
 
 enum {
+        /*
+         * Max wqe size for rdma read is 512 bytes, so this
+         * limits our max_sge_rd as the wqe needs to fit:
+         * - ctrl segment (16 bytes)
+         * - rdma segment (16 bytes)
+         * - scatter elements (16 bytes each)
+         */
+        MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16
+};
+
+enum {
         MLX4_DEV_PMC_SUBTYPE_GUID_INFO   = 0x14,
         MLX4_DEV_PMC_SUBTYPE_PORT_INFO   = 0x15,
         MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE  = 0x16,
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 877ef226f90f..772362adf471 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,6 +1,7 @@
 #ifndef LINUX_MM_DEBUG_H
 #define LINUX_MM_DEBUG_H 1
 
+#include <linux/bug.h>
 #include <linux/stringify.h>
 
 struct page;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3b5d134e945a..3143c847bddb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2084,7 +2084,7 @@ struct pcpu_sw_netstats {
 })
 
 #define netdev_alloc_pcpu_stats(type)                                   \
-        __netdev_alloc_pcpu_stats(type, GFP_KERNEL);
+        __netdev_alloc_pcpu_stats(type, GFP_KERNEL)
 
 #include <linux/notifier.h>
 
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 249d1bb01e03..5646b24bfc64 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -14,7 +14,7 @@ struct nfnl_callback {
         int (*call_rcu)(struct sock *nl, struct sk_buff *skb, 
                     const struct nlmsghdr *nlh,
                     const struct nlattr * const cda[]);
-        int (*call_batch)(struct sock *nl, struct sk_buff *skb,
+        int (*call_batch)(struct net *net, struct sock *nl, struct sk_buff *skb,
                           const struct nlmsghdr *nlh,
                           const struct nlattr * const cda[]);
         const struct nla_policy *policy;        /* netlink attribute policy */
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 039f2eec49ce..1e0deb8e8494 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -46,12 +46,14 @@ extern int of_irq_get(struct device_node *dev, int index);
 extern int of_irq_get_byname(struct device_node *dev, const char *name);
 extern int of_irq_to_resource_table(struct device_node *dev,
                 struct resource *res, int nr_irqs);
+extern struct device_node *of_irq_find_parent(struct device_node *child);
 extern struct irq_domain *of_msi_get_domain(struct device *dev,
                                             struct device_node *np,
                                             enum irq_domain_bus_token token);
 extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev,
                                                        u32 rid);
 extern void of_msi_configure(struct device *dev, struct device_node *np);
+u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in);
 #else
 static inline int of_irq_count(struct device_node *dev)
 {
@@ -70,6 +72,11 @@ static inline int of_irq_to_resource_table(struct device_node *dev,
 {
         return 0;
 }
+static inline void *of_irq_find_parent(struct device_node *child)
+{
+        return NULL;
+}
+
 static inline struct irq_domain *of_msi_get_domain(struct device *dev,
                                                    struct device_node *np,
                                                    enum irq_domain_bus_token token)
@@ -84,6 +91,11 @@ static inline struct irq_domain *of_msi_map_get_device_domain(struct device *dev
 static inline void of_msi_configure(struct device *dev, struct device_node *np)
 {
 }
+static inline u32 of_msi_map_rid(struct device *dev,
+                                 struct device_node *msi_np, u32 rid_in)
+{
+        return rid_in;
+}
 #endif
 
 #if defined(CONFIG_OF_IRQ) || defined(CONFIG_SPARC)
@@ -93,7 +105,6 @@ static inline void of_msi_configure(struct device *dev, struct device_node *np)
  * so declare it here regardless of the CONFIG_OF_IRQ setting.
  */
 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
-u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in);
 
 #else /* !CONFIG_OF && !CONFIG_SPARC */
 static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
@@ -101,12 +112,6 @@ static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
 {
         return 0;
 }
-
-static inline u32 of_msi_map_rid(struct device *dev,
-                                 struct device_node *msi_np, u32 rid_in)
-{
-        return rid_in;
-}
 #endif /* !CONFIG_OF */
 
 #endif /* __OF_IRQ_H */
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index d841d33bcdc9..f9828a48f16a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -697,9 +697,11 @@ struct perf_cgroup {
  * if there is no cgroup event for the current CPU context.
  */
 static inline struct perf_cgroup *
-perf_cgroup_from_task(struct task_struct *task)
+perf_cgroup_from_task(struct task_struct *task, struct perf_event_context *ctx)
 {
-        return container_of(task_css(task, perf_event_cgrp_id),
+        return container_of(task_css_check(task, perf_event_cgrp_id,
+                                           ctx ? lockdep_is_held(&ctx->lock)
+                                               : true),
                             struct perf_cgroup, css);
 }
 #endif /* CONFIG_CGROUP_PERF */
diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h
index e2878baeb90e..4299f4ba03bd 100644
--- a/include/linux/platform_data/edma.h
+++ b/include/linux/platform_data/edma.h
@@ -72,7 +72,7 @@ struct edma_soc_info {
         struct edma_rsv_info    *rsv;
 
         /* List of channels allocated for memcpy, terminated with -1 */
-        s16                     *memcpy_channels;
+        s32                     *memcpy_channels;
 
         s8      (*queue_priority_mapping)[2];
         const s16       (*xbar_chans)[2];
diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index 5440f64d2942..21221338ad18 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h
@@ -1,7 +1,7 @@
 /*
  * FLoating proportions
  *
- *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
+ *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra
  *
  * This file contains the public data structure and API definitions.
  */
diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h
index 6a4347639c03..1d1ba2c5ee7a 100644
--- a/include/linux/qed/common_hsi.h
+++ b/include/linux/qed/common_hsi.h
@@ -9,6 +9,8 @@
 #ifndef __COMMON_HSI__
 #define __COMMON_HSI__
 
+#define CORE_SPQE_PAGE_SIZE_BYTES                       4096
+
 #define FW_MAJOR_VERSION        8
 #define FW_MINOR_VERSION        4
 #define FW_REVISION_VERSION     2
diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h
index b920c3605c46..41b9049b57e2 100644
--- a/include/linux/qed/qed_chain.h
+++ b/include/linux/qed/qed_chain.h
@@ -111,7 +111,8 @@ static inline u16 qed_chain_get_elem_left(struct qed_chain *p_chain)
         used = ((u32)0x10000u + (u32)(p_chain->prod_idx)) -
                 (u32)p_chain->cons_idx;
         if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)
-                used -= (used / p_chain->elem_per_page);
+                used -= p_chain->prod_idx / p_chain->elem_per_page -
+                        p_chain->cons_idx / p_chain->elem_per_page;
 
         return p_chain->capacity - used;
 }
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 843ceca9a21e..e50b31d18462 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -19,6 +19,7 @@
 
 #include <linux/atomic.h>
 #include <linux/compiler.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/jhash.h>
 #include <linux/list_nulls.h>
@@ -339,10 +340,11 @@ static inline int lockdep_rht_bucket_is_held(const struct bucket_table *tbl,
 int rhashtable_init(struct rhashtable *ht,
                     const struct rhashtable_params *params);
 
-int rhashtable_insert_slow(struct rhashtable *ht, const void *key,
-                           struct rhash_head *obj,
-                           struct bucket_table *old_tbl);
-int rhashtable_insert_rehash(struct rhashtable *ht);
+struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht,
+                                            const void *key,
+                                            struct rhash_head *obj,
+                                            struct bucket_table *old_tbl);
+int rhashtable_insert_rehash(struct rhashtable *ht, struct bucket_table *tbl);
 
 int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter);
 void rhashtable_walk_exit(struct rhashtable_iter *iter);
@@ -598,9 +600,11 @@ restart:
 
         new_tbl = rht_dereference_rcu(tbl->future_tbl, ht);
         if (unlikely(new_tbl)) {
-                err = rhashtable_insert_slow(ht, key, obj, new_tbl);
-                if (err == -EAGAIN)
+                tbl = rhashtable_insert_slow(ht, key, obj, new_tbl);
+                if (!IS_ERR_OR_NULL(tbl))
                         goto slow_path;
+
+                err = PTR_ERR(tbl);
                 goto out;
         }
 
@@ -611,7 +615,7 @@ restart:
         if (unlikely(rht_grow_above_100(ht, tbl))) {
 slow_path:
                 spin_unlock_bh(lock);
-                err = rhashtable_insert_rehash(ht);
+                err = rhashtable_insert_rehash(ht, tbl);
                 rcu_read_unlock();
                 if (err)
                         return err;
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 0adedca24c5b..0e1b1540597a 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -99,7 +99,7 @@ static inline int try_stop_cpus(const struct cpumask *cpumask,
  * grabbing every spinlock (and more).  So the "read" side to such a
  * lock is anything which disables preemption.
  */
-#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP)
+#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU)
 
 /**
  * stop_machine: freeze the machine on all CPUs and run this function
@@ -118,7 +118,7 @@ int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus);
 
 int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
                                    const struct cpumask *cpus);
-#else    /* CONFIG_STOP_MACHINE && CONFIG_SMP */
+#else   /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
 
 static inline int stop_machine(cpu_stop_fn_t fn, void *data,
                                  const struct cpumask *cpus)
@@ -137,5 +137,5 @@ static inline int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
         return stop_machine(fn, data, cpus);
 }
 
-#endif  /* CONFIG_STOP_MACHINE && CONFIG_SMP */
+#endif  /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
 #endif  /* _LINUX_STOP_MACHINE */
diff --git a/include/linux/string.h b/include/linux/string.h
index 9ef7795e65e4..9eebc66d957a 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -10,6 +10,7 @@
 
 extern char *strndup_user(const char __user *, long);
 extern void *memdup_user(const void __user *, size_t);
+extern void *memdup_user_nul(const void __user *, size_t);
 
 /*
  * Include machine specific inline routines
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 0bdc72f36905..4a29c75b146e 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -21,7 +21,7 @@
  * Authors:
  *      Srikar Dronamraju
  *      Jim Keniston
- * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
+ * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra
  */
 
 #include <linux/errno.h>
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 9948c874e3f1..1d0043dc34e4 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -47,4 +47,7 @@
 /* device generates spurious wakeup, ignore remote wakeup capability */
 #define USB_QUIRK_IGNORE_REMOTE_WAKEUP          BIT(9)
 
+/* device can't handle Link Power Management */
+#define USB_QUIRK_NO_LPM                        BIT(10)
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 610a86a892b8..ddb440975382 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -44,9 +44,6 @@ struct vfio_device_ops {
         void    (*request)(void *device_data, unsigned int count);
 };
 
-extern struct iommu_group *vfio_iommu_group_get(struct device *dev);
-extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev);
-
 extern int vfio_add_group_dev(struct device *dev,
                               const struct vfio_device_ops *ops,
                               void *device_data);
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 1e1bf9f963a9..513b36f04dfd 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -145,7 +145,7 @@ __remove_wait_queue(wait_queue_head_t *head, wait_queue_t *old)
         list_del(&old->task_list);
 }
 
-typedef int wait_bit_action_f(struct wait_bit_key *);
+typedef int wait_bit_action_f(struct wait_bit_key *, int mode);
 void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
 void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key);
 void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
@@ -960,10 +960,10 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
         } while (0)
 
 
-extern int bit_wait(struct wait_bit_key *);
-extern int bit_wait_io(struct wait_bit_key *);
-extern int bit_wait_timeout(struct wait_bit_key *);
-extern int bit_wait_io_timeout(struct wait_bit_key *);
+extern int bit_wait(struct wait_bit_key *, int);
+extern int bit_wait_io(struct wait_bit_key *, int);
+extern int bit_wait_timeout(struct wait_bit_key *, int);
+extern int bit_wait_io_timeout(struct wait_bit_key *, int);
 
 /**
  * wait_on_bit - wait for a bit to be cleared