Merge 4.15-rc8 into usb-next

We want the USB fixes in here as well for merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/bpf.h

@@ -43,7 +43,14 @@ struct bpf_map_ops {
 };
 
 struct bpf_map {
-	atomic_t refcnt;
+	/* 1st cacheline with read-mostly members of which some
+	 * are also accessed in fast-path (e.g. ops, max_entries).
+	 */
+	const struct bpf_map_ops *ops ____cacheline_aligned;
+	struct bpf_map *inner_map_meta;
+#ifdef CONFIG_SECURITY
+	void *security;
+#endif
 	enum bpf_map_type map_type;
 	u32 key_size;
 	u32 value_size;
@@ -52,15 +59,17 @@ struct bpf_map {
 	u32 pages;
 	u32 id;
 	int numa_node;
-	struct user_struct *user;
-	const struct bpf_map_ops *ops;
-	struct work_struct work;
+	bool unpriv_array;
+	/* 7 bytes hole */
+
+	/* 2nd cacheline with misc members to avoid false sharing
+	 * particularly with refcounting.
+	 */
+	struct user_struct *user ____cacheline_aligned;
+	atomic_t refcnt;
 	atomic_t usercnt;
-	struct bpf_map *inner_map_meta;
+	struct work_struct work;
 	char name[BPF_OBJ_NAME_LEN];
-#ifdef CONFIG_SECURITY
-	void *security;
-#endif
 };
 
 /* function argument constraints */
@@ -221,6 +230,7 @@ struct bpf_prog_aux {
 struct bpf_array {
 	struct bpf_map map;
 	u32 elem_size;
+	u32 index_mask;
 	/* 'ownership' of prog_array is claimed by the first program that
 	 * is going to use this map or by the first program which FD is stored
 	 * in the map to make sure that all callers and callees have the same
@@ -419,6 +429,8 @@ static inline int bpf_map_attr_numa_node(const union bpf_attr *attr)
 		attr->numa_node : NUMA_NO_NODE;
 }
 
+struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type type);
+
 #else /* !CONFIG_BPF_SYSCALL */
 static inline struct bpf_prog *bpf_prog_get(u32 ufd)
 {
@@ -506,6 +518,12 @@ static inline int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu,
 {
 	return 0;
 }
+
+static inline struct bpf_prog *bpf_prog_get_type_path(const char *name,
+				enum bpf_prog_type type)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
 #endif /* CONFIG_BPF_SYSCALL */
 
 static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
@@ -514,6 +532,8 @@ static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
 	return bpf_prog_get_type_dev(ufd, type, false);
 }
 
+bool bpf_prog_get_ok(struct bpf_prog *, enum bpf_prog_type *, bool);
+
 int bpf_prog_offload_compile(struct bpf_prog *prog);
 void bpf_prog_offload_destroy(struct bpf_prog *prog);
 

include/linux/completion.h

@@ -32,7 +32,6 @@ struct completion {
 #define init_completion(x) __init_completion(x)
 static inline void complete_acquire(struct completion *x) {}
 static inline void complete_release(struct completion *x) {}
-static inline void complete_release_commit(struct completion *x) {}
 
 #define COMPLETION_INITIALIZER(work) \
 	{ 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }

include/linux/cpu.h

@@ -47,6 +47,13 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr);
 extern int cpu_add_dev_attr_group(struct attribute_group *attrs);
 extern void cpu_remove_dev_attr_group(struct attribute_group *attrs);
 
+extern ssize_t cpu_show_meltdown(struct device *dev,
+				 struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_spectre_v1(struct device *dev,
+				   struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_spectre_v2(struct device *dev,
+				   struct device_attribute *attr, char *buf);
+
 extern __printf(4, 5)
 struct device *cpu_device_create(struct device *parent, void *drvdata,
 				 const struct attribute_group **groups,

include/linux/crash_core.h

@@ -42,6 +42,8 @@ phys_addr_t paddr_vmcoreinfo_note(void);
 	vmcoreinfo_append_str("PAGESIZE=%ld\n", value)
 #define VMCOREINFO_SYMBOL(name) \
 	vmcoreinfo_append_str("SYMBOL(%s)=%lx\n", #name, (unsigned long)&name)
+#define VMCOREINFO_SYMBOL_ARRAY(name) \
+	vmcoreinfo_append_str("SYMBOL(%s)=%lx\n", #name, (unsigned long)name)
 #define VMCOREINFO_SIZE(name) \
 	vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \
 			      (unsigned long)sizeof(name))

include/linux/efi.h

@@ -140,11 +140,13 @@ struct efi_boot_memmap {
 
 struct capsule_info {
 	efi_capsule_header_t	header;
+	efi_capsule_header_t	*capsule;
 	int			reset_type;
 	long			index;
 	size_t			count;
 	size_t			total_size;
-	phys_addr_t		*pages;
+	struct page		**pages;
+	phys_addr_t		*phys;
 	size_t			page_bytes_remain;
 };
 

include/linux/fscache.h

@@ -755,7 +755,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
 {
 	if (fscache_cookie_valid(cookie) && PageFsCache(page))
 		return __fscache_maybe_release_page(cookie, page, gfp);
-	return false;
+	return true;
 }
 
 /**

include/linux/irqflags.h

@@ -27,22 +27,18 @@
 # define trace_hardirq_enter()			\
 do {						\
 	current->hardirq_context++;		\
-	crossrelease_hist_start(XHLOCK_HARD);	\
 } while (0)
 # define trace_hardirq_exit()			\
 do {						\
 	current->hardirq_context--;		\
-	crossrelease_hist_end(XHLOCK_HARD);	\
 } while (0)
 # define lockdep_softirq_enter()		\
 do {						\
 	current->softirq_context++;		\
-	crossrelease_hist_start(XHLOCK_SOFT);	\
 } while (0)
 # define lockdep_softirq_exit()			\
 do {						\
 	current->softirq_context--;		\
-	crossrelease_hist_end(XHLOCK_SOFT);	\
 } while (0)
 # define INIT_TRACE_IRQFLAGS	.softirqs_enabled = 1,
 #else

include/linux/lockdep.h

@@ -475,8 +475,6 @@ enum xhlock_context_t {
 #define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
 	{ .name = (_name), .key = (void *)(_key), }
 
-static inline void crossrelease_hist_start(enum xhlock_context_t c) {}
-static inline void crossrelease_hist_end(enum xhlock_context_t c) {}
 static inline void lockdep_invariant_state(bool force) {}
 static inline void lockdep_init_task(struct task_struct *task) {}
 static inline void lockdep_free_task(struct task_struct *task) {}

include/linux/sh_eth.h

@@ -17,7 +17,6 @@ struct sh_eth_plat_data {
 	unsigned char mac_addr[ETH_ALEN];
 	unsigned no_ether_link:1;
 	unsigned ether_link_active_low:1;
-	unsigned needs_init:1;
 };
 
 #endif