Merge tag 'v3.12' into core/locking to pick up mutex upates

Signed-off-by: Ingo Molnar <mingo@kernel.org>

32 files changed, 176 insertions, 172 deletions

diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index f7f1d7169b11..089743ade734 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -159,6 +159,26 @@ static inline bool balloon_page_movable(struct page *page)
 }
 
 /*
+ * isolated_balloon_page - identify an isolated balloon page on private
+ *                         compaction/migration page lists.
+ *
+ * After a compaction thread isolates a balloon page for migration, it raises
+ * the page refcount to prevent concurrent compaction threads from re-isolating
+ * the same page. For that reason putback_movable_pages(), or other routines
+ * that need to identify isolated balloon pages on private pagelists, cannot
+ * rely on balloon_page_movable() to accomplish the task.
+ */
+static inline bool isolated_balloon_page(struct page *page)
+{
+        /* Already isolated balloon pages, by default, have a raised refcount */
+        if (page_flags_cleared(page) && !page_mapped(page) &&
+            page_count(page) >= 2)
+                return __is_movable_balloon_page(page);
+
+        return false;
+}
+
+/*
  * balloon_page_insert - insert a page into the balloon's page list and make
  *                       the page->mapping assignment accordingly.
  * @page    : page to be assigned as a 'balloon page'
@@ -243,6 +263,11 @@ static inline bool balloon_page_movable(struct page *page)
         return false;
 }
 
+static inline bool isolated_balloon_page(struct page *page)
+{
+        return false;
+}
+
 static inline bool balloon_page_isolate(struct page *page)
 {
         return false;
diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h
index d66033f418c9..0333e605ea0d 100644
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -242,6 +242,7 @@ extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
                                  struct bcma_device *core, bool enable);
 extern void bcma_core_pci_up(struct bcma_bus *bus);
 extern void bcma_core_pci_down(struct bcma_bus *bus);
+extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
 
 extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
 extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 842de225055f..ded429966c1f 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -65,6 +65,21 @@
 #define __visible __attribute__((externally_visible))
 #endif
 
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ * Fixed in GCC 4.8.2 and later versions.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#if GCC_VERSION <= 40801
+# define asm_volatile_goto(x...)        do { asm goto(x); asm (""); } while (0)
+#else
+# define asm_volatile_goto(x...)        do { asm goto(x); } while (0)
+#endif
 
 #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
 #if GCC_VERSION >= 40400
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 653073de09e3..ed419c62dde1 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -406,13 +406,14 @@ int dm_noflush_suspending(struct dm_target *ti);
 union map_info *dm_get_mapinfo(struct bio *bio);
 union map_info *dm_get_rq_mapinfo(struct request *rq);
 
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md);
+
 /*
  * Geometry functions.
  */
 int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo);
 int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
 
-
 /*-----------------------------------------------------------------
  * Functions for manipulating device-mapper tables.
  *---------------------------------------------------------------*/
diff --git a/include/linux/filter.h b/include/linux/filter.h
index a6ac84871d6d..ff4e40cd45b1 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -6,6 +6,7 @@
 
 #include <linux/atomic.h>
 #include <linux/compat.h>
+#include <linux/workqueue.h>
 #include <uapi/linux/filter.h>
 
 #ifdef CONFIG_COMPAT
@@ -25,15 +26,19 @@ struct sk_filter
 {
         atomic_t                refcnt;
         unsigned int            len;    /* Number of filter blocks */
+        struct rcu_head         rcu;
         unsigned int            (*bpf_func)(const struct sk_buff *skb,
                                             const struct sock_filter *filter);
-        struct rcu_head         rcu;
-        struct sock_filter      insns[0];
+        union {
+                struct sock_filter      insns[0];
+                struct work_struct      work;
+        };
 };
 
-static inline unsigned int sk_filter_len(const struct sk_filter *fp)
+static inline unsigned int sk_filter_size(unsigned int proglen)
 {
-        return fp->len * sizeof(struct sock_filter) + sizeof(*fp);
+        return max(sizeof(struct sk_filter),
+                   offsetof(struct sk_filter, insns[proglen]));
 }
 
 extern int sk_filter(struct sock *sk, struct sk_buff *skb);
@@ -67,11 +72,13 @@ static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen,
 }
 #define SK_RUN_FILTER(FILTER, SKB) (*FILTER->bpf_func)(SKB, FILTER->insns)
 #else
+#include <linux/slab.h>
 static inline void bpf_jit_compile(struct sk_filter *fp)
 {
 }
 static inline void bpf_jit_free(struct sk_filter *fp)
 {
+        kfree(fp);
 }
 #define SK_RUN_FILTER(FILTER, SKB) sk_run_filter(SKB, FILTER->insns)
 #endif
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index a3b8b2e2d244..d98503bde7e9 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -30,10 +30,13 @@
 /*
  * Framework version for util services.
  */
+#define UTIL_FW_MINOR  0
+
+#define UTIL_WS2K8_FW_MAJOR  1
+#define UTIL_WS2K8_FW_VERSION     (UTIL_WS2K8_FW_MAJOR << 16 | UTIL_FW_MINOR)
 
 #define UTIL_FW_MAJOR  3
-#define UTIL_FW_MINOR  0
-#define UTIL_FW_MAJOR_MINOR     (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
+#define UTIL_FW_VERSION     (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
 
 
 /*
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 78e2ada50cd5..d380c5e68008 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -55,7 +55,7 @@
 #define DMAR_IQT_REG    0x88    /* Invalidation queue tail register */
 #define DMAR_IQ_SHIFT   4       /* Invalidation queue head/tail shift */
 #define DMAR_IQA_REG    0x90    /* Invalidation queue addr register */
-#define DMAR_ICS_REG    0x98    /* Invalidation complete status register */
+#define DMAR_ICS_REG    0x9c    /* Invalidation complete status register */
 #define DMAR_IRTA_REG   0xb8    /* Interrupt remapping table addr register */
 
 #define OFFSET_STRIDE           (9)
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 19c19a5eee29..f6c82de12541 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -34,9 +34,9 @@ struct ipc_namespace {
         int             sem_ctls[4];
         int             used_sems;
 
-        int             msg_ctlmax;
-        int             msg_ctlmnb;
-        int             msg_ctlmni;
+        unsigned int    msg_ctlmax;
+        unsigned int    msg_ctlmnb;
+        unsigned int    msg_ctlmni;
         atomic_t        msg_bytes;
         atomic_t        msg_hdrs;
         int             auto_msgmni;
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 482ad2d84a32..672ddc4de4af 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte)
         return buf;
 }
 
+extern const char hex_asc_upper[];
+#define hex_asc_upper_lo(x)     hex_asc_upper[((x) & 0x0f)]
+#define hex_asc_upper_hi(x)     hex_asc_upper[((x) & 0xf0) >> 4]
+
+static inline char *hex_byte_pack_upper(char *buf, u8 byte)
+{
+        *buf++ = hex_asc_upper_hi(byte);
+        *buf++ = hex_asc_upper_lo(byte);
+        return buf;
+}
+
 static inline char * __deprecated pack_hex_byte(char *buf, u8 byte)
 {
         return hex_byte_pack(buf, byte);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 60e95872da29..b3e7a667e03c 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -53,23 +53,6 @@ struct mem_cgroup_reclaim_cookie {
         unsigned int generation;
 };
 
-enum mem_cgroup_filter_t {
-        VISIT,          /* visit current node */
-        SKIP,           /* skip the current node and continue traversal */
-        SKIP_TREE,      /* skip the whole subtree and continue traversal */
-};
-
-/*
- * mem_cgroup_filter_t predicate might instruct mem_cgroup_iter_cond how to
- * iterate through the hierarchy tree. Each tree element is checked by the
- * predicate before it is returned by the iterator. If a filter returns
- * SKIP or SKIP_TREE then the iterator code continues traversal (with the
- * next node down the hierarchy or the next node that doesn't belong under the
- * memcg's subtree).
- */
-typedef enum mem_cgroup_filter_t
-(*mem_cgroup_iter_filter)(struct mem_cgroup *memcg, struct mem_cgroup *root);
-
 #ifdef CONFIG_MEMCG
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -137,18 +120,9 @@ mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
 extern void mem_cgroup_end_migration(struct mem_cgroup *memcg,
         struct page *oldpage, struct page *newpage, bool migration_ok);
 
-struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root,
-                                   struct mem_cgroup *prev,
-                                   struct mem_cgroup_reclaim_cookie *reclaim,
-                                   mem_cgroup_iter_filter cond);
-
-static inline struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
-                                   struct mem_cgroup *prev,
-                                   struct mem_cgroup_reclaim_cookie *reclaim)
-{
-        return mem_cgroup_iter_cond(root, prev, reclaim, NULL);
-}
-
+struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *,
+                                   struct mem_cgroup *,
+                                   struct mem_cgroup_reclaim_cookie *);
 void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *);
 
 /*
@@ -163,47 +137,24 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
 extern void mem_cgroup_replace_page_cache(struct page *oldpage,
                                         struct page *newpage);
 
-/**
- * mem_cgroup_toggle_oom - toggle the memcg OOM killer for the current task
- * @new: true to enable, false to disable
- *
- * Toggle whether a failed memcg charge should invoke the OOM killer
- * or just return -ENOMEM.  Returns the previous toggle state.
- *
- * NOTE: Any path that enables the OOM killer before charging must
- *       call mem_cgroup_oom_synchronize() afterward to finalize the
- *       OOM handling and clean up.
- */
-static inline bool mem_cgroup_toggle_oom(bool new)
+static inline void mem_cgroup_oom_enable(void)
 {
-        bool old;
-
-        old = current->memcg_oom.may_oom;
-        current->memcg_oom.may_oom = new;
-
-        return old;
+        WARN_ON(current->memcg_oom.may_oom);
+        current->memcg_oom.may_oom = 1;
 }
 
-static inline void mem_cgroup_enable_oom(void)
+static inline void mem_cgroup_oom_disable(void)
 {
-        bool old = mem_cgroup_toggle_oom(true);
-
-        WARN_ON(old == true);
-}
-
-static inline void mem_cgroup_disable_oom(void)
-{
-        bool old = mem_cgroup_toggle_oom(false);
-
-        WARN_ON(old == false);
+        WARN_ON(!current->memcg_oom.may_oom);
+        current->memcg_oom.may_oom = 0;
 }
 
 static inline bool task_in_memcg_oom(struct task_struct *p)
 {
-        return p->memcg_oom.in_memcg_oom;
+        return p->memcg_oom.memcg;
 }
 
-bool mem_cgroup_oom_synchronize(void);
+bool mem_cgroup_oom_synchronize(bool wait);
 
 #ifdef CONFIG_MEMCG_SWAP
 extern int do_swap_account;
@@ -260,9 +211,9 @@ static inline void mem_cgroup_dec_page_stat(struct page *page,
         mem_cgroup_update_page_stat(page, idx, -1);
 }
 
-enum mem_cgroup_filter_t
-mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
-                struct mem_cgroup *root);
+unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
+                                                gfp_t gfp_mask,
+                                                unsigned long *total_scanned);
 
 void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx);
 static inline void mem_cgroup_count_vm_event(struct mm_struct *mm,
@@ -376,15 +327,6 @@ static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg,
                 struct page *oldpage, struct page *newpage, bool migration_ok)
 {
 }
-static inline struct mem_cgroup *
-mem_cgroup_iter_cond(struct mem_cgroup *root,
-                struct mem_cgroup *prev,
-                struct mem_cgroup_reclaim_cookie *reclaim,
-                mem_cgroup_iter_filter cond)
-{
-        /* first call must return non-NULL, second return NULL */
-        return (struct mem_cgroup *)(unsigned long)!prev;
-}
 
 static inline struct mem_cgroup *
 mem_cgroup_iter(struct mem_cgroup *root,
@@ -437,16 +379,11 @@ static inline void mem_cgroup_end_update_page_stat(struct page *page,
 {
 }
 
-static inline bool mem_cgroup_toggle_oom(bool new)
+static inline void mem_cgroup_oom_enable(void)
 {
-        return false;
 }
 
-static inline void mem_cgroup_enable_oom(void)
-{
-}
-
-static inline void mem_cgroup_disable_oom(void)
+static inline void mem_cgroup_oom_disable(void)
 {
 }
 
@@ -455,7 +392,7 @@ static inline bool task_in_memcg_oom(struct task_struct *p)
         return false;
 }
 
-static inline bool mem_cgroup_oom_synchronize(void)
+static inline bool mem_cgroup_oom_synchronize(bool wait)
 {
         return false;
 }
@@ -471,11 +408,11 @@ static inline void mem_cgroup_dec_page_stat(struct page *page,
 }
 
 static inline
-enum mem_cgroup_filter_t
-mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
-                struct mem_cgroup *root)
+unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
+                                            gfp_t gfp_mask,
+                                            unsigned long *total_scanned)
 {
-        return VISIT;
+        return 0;
 }
 
 static inline void mem_cgroup_split_huge_fixup(struct page *head)
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 09c2300ddb37..cb358355ef43 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -45,6 +45,7 @@
 #define MAPPER_CTRL_MINOR       236
 #define LOOP_CTRL_MINOR         237
 #define VHOST_NET_MINOR         238
+#define UHID_MINOR              239
 #define MISC_DYNAMIC_MINOR      255
 
 struct device;
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 68029b30c3dc..5eb4e31af22b 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -181,7 +181,7 @@ enum {
         MLX5_DEV_CAP_FLAG_TLP_HINTS     = 1LL << 39,
         MLX5_DEV_CAP_FLAG_SIG_HAND_OVER = 1LL << 40,
         MLX5_DEV_CAP_FLAG_DCT           = 1LL << 41,
-        MLX5_DEV_CAP_FLAG_CMDIF_CSUM    = 1LL << 46,
+        MLX5_DEV_CAP_FLAG_CMDIF_CSUM    = 3LL << 46,
 };
 
 enum {
@@ -417,7 +417,7 @@ struct mlx5_init_seg {
         struct health_buffer    health;
         __be32                  rsvd2[884];
         __be32                  health_counter;
-        __be32                  rsvd3[1023];
+        __be32                  rsvd3[1019];
         __be64                  ieee1588_clk;
         __be32                  ieee1588_clk_type;
         __be32                  clr_intx;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 8888381fc150..6b8c496572c8 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -82,7 +82,7 @@ enum {
 };
 
 enum {
-        MLX5_MAX_EQ_NAME        = 20
+        MLX5_MAX_EQ_NAME        = 32
 };
 
 enum {
@@ -747,8 +747,7 @@ static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
 
 enum {
         MLX5_PROF_MASK_QP_SIZE          = (u64)1 << 0,
-        MLX5_PROF_MASK_CMDIF_CSUM       = (u64)1 << 1,
-        MLX5_PROF_MASK_MR_CACHE         = (u64)1 << 2,
+        MLX5_PROF_MASK_MR_CACHE         = (u64)1 << 1,
 };
 
 enum {
@@ -758,7 +757,6 @@ enum {
 struct mlx5_profile {
         u64     mask;
         u32     log_max_qp;
-        int     cmdif_csum;
         struct {
                 int     size;
                 int     limit;
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index ccd4260834c5..bab49da8a0f0 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -15,8 +15,8 @@
 #include <linux/spinlock_types.h>
 #include <linux/linkage.h>
 #include <linux/lockdep.h>
-
 #include <linux/atomic.h>
+#include <asm/processor.h>
 
 /*
  * Simple, straightforward mutexes with strict semantics:
@@ -175,8 +175,8 @@ extern void mutex_unlock(struct mutex *lock);
 
 extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
 
-#ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX
-#define arch_mutex_cpu_relax()  cpu_relax()
+#ifndef arch_mutex_cpu_relax
+# define arch_mutex_cpu_relax() cpu_relax()
 #endif
 
 #endif
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3de49aca4519..25f5d2d11e7c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2264,11 +2264,12 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
 }
 
 #ifdef CONFIG_XPS
-extern int netif_set_xps_queue(struct net_device *dev, struct cpumask *mask,
+extern int netif_set_xps_queue(struct net_device *dev,
+                               const struct cpumask *mask,
                                u16 index);
 #else
 static inline int netif_set_xps_queue(struct net_device *dev,
-                                      struct cpumask *mask,
+                                      const struct cpumask *mask,
                                       u16 index)
 {
         return 0;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 01fd84b566f7..49f52c8f4422 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1455,7 +1455,8 @@ struct nfs_rpc_ops {
         struct inode * (*open_context) (struct inode *dir,
                                 struct nfs_open_context *ctx,
                                 int open_flags,
-                                struct iattr *iattr);
+                                struct iattr *iattr,
+                                int *);
         int (*have_delegation)(struct inode *, fmode_t);
         int (*return_delegation)(struct inode *);
         struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 535cecf1e02f..fcd63baee5f2 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -1,8 +1,6 @@
 #ifndef __OF_IRQ_H
 #define __OF_IRQ_H
 
-#if defined(CONFIG_OF)
-struct of_irq;
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/irq.h>
@@ -10,14 +8,6 @@ struct of_irq;
 #include <linux/ioport.h>
 #include <linux/of.h>
 
-/*
- * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
- * implements it differently.  However, the prototype is the same for all,
- * 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);
-
-#if defined(CONFIG_OF_IRQ)
 /**
  * of_irq - container for device_node/irq_specifier pair for an irq controller
  * @controller: pointer to interrupt controller device tree node
@@ -71,11 +61,17 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
 extern int of_irq_count(struct device_node *dev);
 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 void of_irq_init(const struct of_device_id *matches);
 
-#endif /* CONFIG_OF_IRQ */
+#if defined(CONFIG_OF)
+/*
+ * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
+ * implements it differently.  However, the prototype is the same for all,
+ * 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);
+extern struct device_node *of_irq_find_parent(struct device_node *child);
 
 #else /* !CONFIG_OF */
 static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h
deleted file mode 100644
index c84128255814..000000000000
--- a/include/linux/of_reserved_mem.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef __OF_RESERVED_MEM_H
-#define __OF_RESERVED_MEM_H
-
-#ifdef CONFIG_OF_RESERVED_MEM
-void of_reserved_mem_device_init(struct device *dev);
-void of_reserved_mem_device_release(struct device *dev);
-void early_init_dt_scan_reserved_mem(void);
-#else
-static inline void of_reserved_mem_device_init(struct device *dev) { }
-static inline void of_reserved_mem_device_release(struct device *dev) { }
-static inline void early_init_dt_scan_reserved_mem(void) { }
-#endif
-
-#endif /* __OF_RESERVED_MEM_H */
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index cc88172c7d9a..c74088ab103b 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -332,7 +332,7 @@ do {									\
 #endif
 
 #ifndef this_cpu_sub
-# define this_cpu_sub(pcp, val)         this_cpu_add((pcp), -(val))
+# define this_cpu_sub(pcp, val)         this_cpu_add((pcp), -(typeof(pcp))(val))
 #endif
 
 #ifndef this_cpu_inc
@@ -418,7 +418,7 @@ do {									\
 # define this_cpu_add_return(pcp, val)  __pcpu_size_call_return2(this_cpu_add_return_, pcp, val)
 #endif
 
-#define this_cpu_sub_return(pcp, val)   this_cpu_add_return(pcp, -(val))
+#define this_cpu_sub_return(pcp, val)   this_cpu_add_return(pcp, -(typeof(pcp))(val))
 #define this_cpu_inc_return(pcp)        this_cpu_add_return(pcp, 1)
 #define this_cpu_dec_return(pcp)        this_cpu_add_return(pcp, -1)
 
@@ -586,7 +586,7 @@ do {									\
 #endif
 
 #ifndef __this_cpu_sub
-# define __this_cpu_sub(pcp, val)       __this_cpu_add((pcp), -(val))
+# define __this_cpu_sub(pcp, val)       __this_cpu_add((pcp), -(typeof(pcp))(val))
 #endif
 
 #ifndef __this_cpu_inc
@@ -668,7 +668,7 @@ do {									\
         __pcpu_size_call_return2(__this_cpu_add_return_, pcp, val)
 #endif
 
-#define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(val))
+#define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(typeof(pcp))(val))
 #define __this_cpu_inc_return(pcp)      __this_cpu_add_return(pcp, 1)
 #define __this_cpu_dec_return(pcp)      __this_cpu_add_return(pcp, -1)
 
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 866e85c5eb94..c8ba627c1d60 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -294,9 +294,31 @@ struct ring_buffer;
  */
 struct perf_event {
 #ifdef CONFIG_PERF_EVENTS
-        struct list_head                group_entry;
+        /*
+         * entry onto perf_event_context::event_list;
+         *   modifications require ctx->lock
+         *   RCU safe iterations.
+         */
         struct list_head                event_entry;
+
+        /*
+         * XXX: group_entry and sibling_list should be mutually exclusive;
+         * either you're a sibling on a group, or you're the group leader.
+         * Rework the code to always use the same list element.
+         *
+         * Locked for modification by both ctx->mutex and ctx->lock; holding
+         * either sufficies for read.
+         */
+        struct list_head                group_entry;
         struct list_head                sibling_list;
+
+        /*
+         * We need storage to track the entries in perf_pmu_migrate_context; we
+         * cannot use the event_entry because of RCU and we want to keep the
+         * group in tact which avoids us using the other two entries.
+         */
+        struct list_head                migrate_entry;
+
         struct hlist_node               hlist_entry;
         int                             nr_siblings;
         int                             group_flags;
diff --git a/include/linux/random.h b/include/linux/random.h
index 3b9377d6b7a5..6312dd9ba449 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -17,6 +17,7 @@ extern void add_interrupt_randomness(int irq, int irq_flags);
 extern void get_random_bytes(void *buf, int nbytes);
 extern void get_random_bytes_arch(void *buf, int nbytes);
 void generate_random_uuid(unsigned char uuid_out[16]);
+extern int random_int_secret_init(void);
 
 #ifndef MODULE
 extern const struct file_operations random_fops, urandom_fops;
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 67e13aa5a478..9bdad43ad228 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -40,6 +40,8 @@ enum regulator_status {
 };
 
 /**
+ * struct regulator_linear_range - specify linear voltage ranges
+ *
  * Specify a range of voltages for regulator_map_linar_range() and
  * regulator_list_linear_range().
  *
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6682da36b293..e27baeeda3f4 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1394,11 +1394,10 @@ struct task_struct {
         } memcg_batch;
         unsigned int memcg_kmem_skip_account;
         struct memcg_oom_info {
+                struct mem_cgroup *memcg;
+                gfp_t gfp_mask;
+                int order;
                 unsigned int may_oom:1;
-                unsigned int in_memcg_oom:1;
-                unsigned int oom_locked:1;
-                int wakeups;
-                struct mem_cgroup *wait_on_memcg;
         } memcg_oom;
 #endif
 #ifdef CONFIG_UPROBES
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2ddb48d9312c..c2d89335f637 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -498,7 +498,7 @@ struct sk_buff {
          * headers if needed
          */
         __u8                    encapsulation:1;
-        /* 7/9 bit hole (depending on ndisc_nodetype presence) */
+        /* 6/8 bit hole (depending on ndisc_nodetype presence) */
         kmemcheck_bitfield_end(flags2);
 
 #if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL
diff --git a/include/linux/smp.h b/include/linux/smp.h
index cfb7ca094b38..731f5237d5f4 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -155,6 +155,12 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
 
 static inline void kick_all_cpus_sync(void) {  }
 
+static inline void __smp_call_function_single(int cpuid,
+                struct call_single_data *data, int wait)
+{
+        on_each_cpu(data->func, data->info, wait);
+}
+
 #endif /* !SMP */
 
 /*
diff --git a/include/linux/tc_act/tc_defact.h b/include/linux/tc_act/tc_defact.h
deleted file mode 100644
index 6f65d07c7ce2..000000000000
--- a/include/linux/tc_act/tc_defact.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#ifndef __LINUX_TC_DEF_H
-#define __LINUX_TC_DEF_H
-
-#include <linux/pkt_cls.h>
-
-struct tc_defact {
-        tc_gen;
-};
-                                                                                
-enum {
-        TCA_DEF_UNSPEC,
-        TCA_DEF_TM,
-        TCA_DEF_PARMS,
-        TCA_DEF_DATA,
-        __TCA_DEF_MAX
-};
-#define TCA_DEF_MAX (__TCA_DEF_MAX - 1)
-
-#endif
diff --git a/include/linux/timex.h b/include/linux/timex.h
index dd3edd7dfc94..9d3f1a5b6178 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -64,6 +64,20 @@
 
 #include <asm/timex.h>
 
+#ifndef random_get_entropy
+/*
+ * The random_get_entropy() function is used by the /dev/random driver
+ * in order to extract entropy via the relative unpredictability of
+ * when an interrupt takes places versus a high speed, fine-grained
+ * timing source or cycle counter.  Since it will be occurred on every
+ * single interrupt, it must have a very low cost/overhead.
+ *
+ * By default we use get_cycles() for this purpose, but individual
+ * architectures may override this in their asm/timex.h header file.
+ */
+#define random_get_entropy()    get_cycles()
+#endif
+
 /*
  * SHIFT_PLL is used as a dampening factor to define how much we
  * adjust the frequency correction for a given offset in PLL mode.
diff --git a/include/linux/usb/usb_phy_gen_xceiv.h b/include/linux/usb/usb_phy_gen_xceiv.h
index f9a7e7bc925b..11d85b9c1b08 100644
--- a/include/linux/usb/usb_phy_gen_xceiv.h
+++ b/include/linux/usb/usb_phy_gen_xceiv.h
@@ -12,7 +12,7 @@ struct usb_phy_gen_xceiv_platform_data {
         unsigned int needs_reset:1;
 };
 
-#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
+#if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE))
 /* sometimes transceivers are accessed only through e.g. ULPI */
 extern void usb_nop_xceiv_register(void);
 extern void usb_nop_xceiv_unregister(void);
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 9cb2fe8ca944..e303eef94dd5 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -42,6 +42,7 @@ struct usbnet {
         struct usb_host_endpoint *status;
         unsigned                maxpacket;
         struct timer_list       delay;
+        const char              *padding_pkt;
 
         /* protocol/interface state */
         struct net_device       *net;
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index bf99cd01be20..630356866030 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -66,7 +66,9 @@
         US_FLAG(INITIAL_READ10, 0x00100000)                     \
                 /* Initial READ(10) (and others) must be retried */     \
         US_FLAG(WRITE_CACHE,    0x00200000)                     \
-                /* Write Cache status is not available */
+                /* Write Cache status is not available */       \
+        US_FLAG(NEEDS_CAP16,    0x00400000)
+                /* cannot handle READ_CAPACITY_10 */
 
 #define US_FLAG(name, value)    US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index 80cf8173a65b..2c02f3a8d2ba 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -65,15 +65,8 @@ struct pci_dev;
  *     out of the arbitration process (and can be safe to take
  *     interrupts at any time.
  */
-#if defined(CONFIG_VGA_ARB)
 extern void vga_set_legacy_decoding(struct pci_dev *pdev,
                                     unsigned int decodes);
-#else
-static inline void vga_set_legacy_decoding(struct pci_dev *pdev,
-                                           unsigned int decodes)
-{
-}
-#endif
 
 /**
  *     vga_get         - acquire & locks VGA resources
diff --git a/include/linux/yam.h b/include/linux/yam.h
index 7fe28228b274..512cdc2fb80f 100644
--- a/include/linux/yam.h
+++ b/include/linux/yam.h
@@ -77,6 +77,6 @@ struct yamdrv_ioctl_cfg {
 
 struct yamdrv_ioctl_mcs {
         int cmd;
-        int bitrate;
+        unsigned int bitrate;
         unsigned char bits[YAM_FPGA_SIZE];
 };