Merge branch 'master' into for-linus

17 files changed, 70 insertions, 32 deletions

diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 5958d7845bd..17714beb868 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -212,7 +212,7 @@ char const *acpi_gbl_exception_names_env[] = {
 	"AE_NO_GLOBAL_LOCK",
 	"AE_ABORT_METHOD",
 	"AE_SAME_HANDLER",
-	"AE_WAKE_ONLY_GPE",
+	"AE_NO_HANDLER",
 	"AE_OWNER_ID_LIMIT"
 };
 
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 0e4ab1fe596..1371cc99739 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -69,6 +69,7 @@ extern acpi_name acpi_gbl_trace_method_name;
 extern u32 acpi_gbl_trace_flags;
 extern u8 acpi_gbl_enable_aml_debug_object;
 extern u8 acpi_gbl_copy_dsdt_locally;
+extern u8 acpi_gbl_truncate_io_addresses;
 
 extern u32 acpi_current_gpe_count;
 extern struct acpi_table_fadt acpi_gbl_FADT;
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index bade172cad4..d55f4a7b824 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -663,10 +663,11 @@ typedef u32 acpi_event_status;
 #define ACPI_GPE_MAX                    0xFF
 #define ACPI_NUM_GPE                    256
 
-/* Actions for acpi_set_gpe */
+/* Actions for acpi_set_gpe and acpi_hw_low_set_gpe */
 
 #define ACPI_GPE_ENABLE                 0
 #define ACPI_GPE_DISABLE                1
+#define ACPI_GPE_COND_ENABLE            2
 
 /* gpe_types for acpi_enable_gpe and acpi_disable_gpe */
 
diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 9101ed64f80..09ea4a1e950 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -79,7 +79,6 @@ struct agp_memory {
 	u32 physical;
 	bool is_bound;
 	bool is_flushed;
-	bool vmalloc_flag;
 	/* list of agp_memory mapped to the aperture */
 	struct list_head mapped_list;
 	/* DMA-mapped addresses */
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index aee5f6ce166..9ae2889096b 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -105,8 +105,8 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
 int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
 int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
-void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
-				long nr_pages);
+void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages);
+void bdi_start_background_writeback(struct backing_dev_info *bdi);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);
 void bdi_arm_supers_timer(void);
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0c621604baa..e3d00fdb858 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -525,13 +525,21 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state(
 	return cgrp->subsys[subsys_id];
 }
 
-static inline struct cgroup_subsys_state *task_subsys_state(
-	struct task_struct *task, int subsys_id)
+/*
+ * function to get the cgroup_subsys_state which allows for extra
+ * rcu_dereference_check() conditions, such as locks used during the
+ * cgroup_subsys::attach() methods.
+ */
+#define task_subsys_state_check(task, subsys_id, __c)			\
+	rcu_dereference_check(task->cgroups->subsys[subsys_id],		\
+			      rcu_read_lock_held() ||			\
+			      lockdep_is_held(&task->alloc_lock) ||	\
+			      cgroup_lock_is_held() || (__c))
+
+static inline struct cgroup_subsys_state *
+task_subsys_state(struct task_struct *task, int subsys_id)
 {
-	return rcu_dereference_check(task->cgroups->subsys[subsys_id],
-				     rcu_read_lock_held() ||
-				     lockdep_is_held(&task->alloc_lock) ||
-				     cgroup_lock_is_held());
+	return task_subsys_state_check(task, subsys_id, false);
 }
 
 static inline struct cgroup* task_cgroup(struct task_struct *task,
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 73dcf804bc9..0da5b187f12 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -58,8 +58,12 @@
  * naked functions because then mcount is called without stack and frame pointer
  * being set up and there is no chance to restore the lr register to the value
  * before mcount was called.
+ *
+ * The asm() bodies of naked functions often depend on standard calling conventions,
+ * therefore they must be noinline and noclone.  GCC 4.[56] currently fail to enforce
+ * this, so we must do so ourselves.  See GCC PR44290.
  */
-#define __naked				__attribute__((naked)) notrace
+#define __naked				__attribute__((naked)) noinline __noclone notrace
 
 #define __noreturn			__attribute__((noreturn))
 
@@ -85,3 +89,7 @@
 #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
 #define gcc_header(x) _gcc_header(x)
 #include gcc_header(__GNUC__)
+
+#if !defined(__noclone)
+#define __noclone	/* not needed */
+#endif
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 94dea3ffbfa..fcfa5b9a431 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -48,6 +48,10 @@
  * unreleased.  Really, we need to have autoconf for the kernel.
  */
 #define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone	__attribute__((__noclone__))
+
 #endif
 
 #endif
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 30da4ae4897..b8d2516668a 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,7 +53,7 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.8rc2"
+#define REL_VERSION "8.3.8"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
 #define PRO_VERSION_MAX 94
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index b3cd4de9432..52c0da4bdd1 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -40,7 +40,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
 				const char *modname);
 
 #if defined(CONFIG_DYNAMIC_DEBUG)
-extern int ddebug_remove_module(char *mod_name);
+extern int ddebug_remove_module(const char *mod_name);
 
 #define __dynamic_dbg_enabled(dd)  ({	     \
 	int __ret = 0;							     \
@@ -73,7 +73,7 @@ extern int ddebug_remove_module(char *mod_name);
 
 #else
 
-static inline int ddebug_remove_module(char *mod)
+static inline int ddebug_remove_module(const char *mod)
 {
 	return 0;
 }
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 907ace3a64c..8e5a9dfb76b 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -786,8 +786,6 @@ struct fb_tile_ops {
 #define FBINFO_MISC_USEREVENT          0x10000 /* event request
 						  from userspace */
 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
-#define FBINFO_MISC_FIRMWARE           0x40000 /* a replaceable firmware
-						  inited framebuffer */
 
 /* A driver may set this flag to indicate that it does want a set_par to be
  * called every time when fbcon_switch is executed. The advantage is that with
@@ -801,6 +799,8 @@ struct fb_tile_ops {
  */
 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 
+/* where the fb is a firmware driver, and can be replaced with a proper one */
+#define FBINFO_MISC_FIRMWARE        0x80000
 /*
  * Host and GPU endianness differ.
  */
diff --git a/include/linux/list.h b/include/linux/list.h
index bc43e8a0d7f..d167b5d7c0a 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -541,6 +541,21 @@ static inline void list_splice_tail_init(struct list_head *list,
 	     &pos->member != (head); 					\
 	     pos = n, n = list_entry(n->member.prev, typeof(*n), member))
 
+/**
+ * list_safe_reset_next - reset a stale list_for_each_entry_safe loop
+ * @pos:	the loop cursor used in the list_for_each_entry_safe loop
+ * @n:		temporary storage used in list_for_each_entry_safe
+ * @member:	the name of the list_struct within the struct.
+ *
+ * list_safe_reset_next is not safe to use in general if the list may be
+ * modified concurrently (eg. the lock is dropped in the loop body). An
+ * exception to this is if the cursor element (pos) is pinned in the list,
+ * and list_safe_reset_next is called after re-taking the lock and before
+ * completing the current iteration of the loop body.
+ */
+#define list_safe_reset_next(pos, n, member)				\
+	n = list_entry(pos->member.next, typeof(*pos), member)
+
 /*
  * Double linked lists with a single pointer list head.
  * Mostly useful for hash tables where the two pointer list head is
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4eb467910a4..3bedcc149c8 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1261,6 +1261,7 @@
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE       0x0759
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS     0x07D8
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS     0x0AA2
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA	    0x0D85
 
 #define PCI_VENDOR_ID_IMS		0x10e0
 #define PCI_DEVICE_ID_IMS_TT128		0x9128
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f118809c953..747fcaedddb 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -139,7 +139,7 @@ extern int nr_processes(void);
 extern unsigned long nr_running(void);
 extern unsigned long nr_uninterruptible(void);
 extern unsigned long nr_iowait(void);
-extern unsigned long nr_iowait_cpu(void);
+extern unsigned long nr_iowait_cpu(int cpu);
 extern unsigned long this_cpu_load(void);
 
 
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 5e781d824e6..bc7d6bb4cd8 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -256,22 +256,22 @@ static inline int hibernate(void) { return -ENOSYS; }
 static inline bool system_entering_hibernation(void) { return false; }
 #endif /* CONFIG_HIBERNATION */
 
-#ifdef CONFIG_HIBERNATION_NVS
-extern int hibernate_nvs_register(unsigned long start, unsigned long size);
-extern int hibernate_nvs_alloc(void);
-extern void hibernate_nvs_free(void);
-extern void hibernate_nvs_save(void);
-extern void hibernate_nvs_restore(void);
-#else /* CONFIG_HIBERNATION_NVS */
-static inline int hibernate_nvs_register(unsigned long a, unsigned long b)
+#ifdef CONFIG_SUSPEND_NVS
+extern int suspend_nvs_register(unsigned long start, unsigned long size);
+extern int suspend_nvs_alloc(void);
+extern void suspend_nvs_free(void);
+extern void suspend_nvs_save(void);
+extern void suspend_nvs_restore(void);
+#else /* CONFIG_SUSPEND_NVS */
+static inline int suspend_nvs_register(unsigned long a, unsigned long b)
 {
 	return 0;
 }
-static inline int hibernate_nvs_alloc(void) { return 0; }
-static inline void hibernate_nvs_free(void) {}
-static inline void hibernate_nvs_save(void) {}
-static inline void hibernate_nvs_restore(void) {}
-#endif /* CONFIG_HIBERNATION_NVS */
+static inline int suspend_nvs_alloc(void) { return 0; }
+static inline void suspend_nvs_free(void) {}
+static inline void suspend_nvs_save(void) {}
+static inline void suspend_nvs_restore(void) {}
+#endif /* CONFIG_SUSPEND_NVS */
 
 #ifdef CONFIG_PM_SLEEP
 void save_processor_state(void);
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 9a59d1f98cd..103d1b61aac 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -14,6 +14,7 @@
  * See the file COPYING for more details.
  */
 
+#include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/rcupdate.h>
 
diff --git a/include/net/snmp.h b/include/net/snmp.h
index 92456f1035f..899003d18db 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -134,7 +134,7 @@ struct linux_xfrm_mib {
 #define SNMP_ADD_STATS_USER(mib, field, addend)	\
 			this_cpu_add(mib[1]->mibs[field], addend)
 #define SNMP_ADD_STATS(mib, field, addend)	\
-			this_cpu_add(mib[0]->mibs[field], addend)
+			this_cpu_add(mib[!in_softirq()]->mibs[field], addend)
 /*
  * Use "__typeof__(*mib[0]) *ptr" instead of "__typeof__(mib[0]) ptr"
  * to make @ptr a non-percpu pointer.