Merge branch 'next' (accumulated 3.16 merge window patches) into master

Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.

* accumulated work in next: (6809 commits)
  ufs: sb mutex merge + mutex_destroy
  powerpc: update comments for generic idle conversion
  cris: update comments for generic idle conversion
  idle: remove cpu_idle() forward declarations
  nbd: zero from and len fields in NBD_CMD_DISCONNECT.
  mm: convert some level-less printks to pr_*
  MAINTAINERS: adi-buildroot-devel is moderated
  MAINTAINERS: add linux-api for review of API/ABI changes
  mm/kmemleak-test.c: use pr_fmt for logging
  fs/dlm/debug_fs.c: replace seq_printf by seq_puts
  fs/dlm/lockspace.c: convert simple_str to kstr
  fs/dlm/config.c: convert simple_str to kstr
  mm: mark remap_file_pages() syscall as deprecated
  mm: memcontrol: remove unnecessary memcg argument from soft limit functions
  mm: memcontrol: clean up memcg zoneinfo lookup
  mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
  mm/mempool.c: update the kmemleak stack trace for mempool allocations
  lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
  mm: introduce kmemleak_update_trace()
  mm/kmemleak.c: use %u to print ->checksum
  ...

1 files changed, 30 insertions, 24 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 051c85032f4..698ad053d06 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -199,6 +199,26 @@ extern int check_wakeup_irqs(void);
 static inline int check_wakeup_irqs(void) { return 0; }
 #endif
 
+/**
+ * struct irq_affinity_notify - context for notification of IRQ affinity changes
+ * @irq:		Interrupt to which notification applies
+ * @kref:		Reference count, for internal use
+ * @work:		Work item, for internal use
+ * @notify:		Function to be called on change.  This will be
+ *			called in process context.
+ * @release:		Function to be called on release.  This will be
+ *			called in process context.  Once registered, the
+ *			structure must only be freed when this function is
+ *			called or later.
+ */
+struct irq_affinity_notify {
+	unsigned int irq;
+	struct kref kref;
+	struct work_struct work;
+	void (*notify)(struct irq_affinity_notify *, const cpumask_t *mask);
+	void (*release)(struct kref *ref);
+};
+
 #if defined(CONFIG_SMP)
 
 extern cpumask_var_t irq_default_affinity;
@@ -242,26 +262,6 @@ extern int irq_select_affinity(unsigned int irq);
 
 extern int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m);
 
-/**
- * struct irq_affinity_notify - context for notification of IRQ affinity changes
- * @irq:		Interrupt to which notification applies
- * @kref:		Reference count, for internal use
- * @work:		Work item, for internal use
- * @notify:		Function to be called on change.  This will be
- *			called in process context.
- * @release:		Function to be called on release.  This will be
- *			called in process context.  Once registered, the
- *			structure must only be freed when this function is
- *			called or later.
- */
-struct irq_affinity_notify {
-	unsigned int irq;
-	struct kref kref;
-	struct work_struct work;
-	void (*notify)(struct irq_affinity_notify *, const cpumask_t *mask);
-	void (*release)(struct kref *ref);
-};
-
 extern int
 irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify);
 
@@ -289,6 +289,12 @@ static inline int irq_set_affinity_hint(unsigned int irq,
 {
 	return -EINVAL;
 }
+
+static inline int
+irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify)
+{
+	return 0;
+}
 #endif /* CONFIG_SMP */
 
 /*
@@ -491,7 +497,7 @@ static inline int tasklet_trylock(struct tasklet_struct *t)
 
 static inline void tasklet_unlock(struct tasklet_struct *t)
 {
-	smp_mb__before_clear_bit(); 
+	smp_mb__before_atomic();
 	clear_bit(TASKLET_STATE_RUN, &(t)->state);
 }
 
@@ -539,7 +545,7 @@ static inline void tasklet_hi_schedule_first(struct tasklet_struct *t)
 static inline void tasklet_disable_nosync(struct tasklet_struct *t)
 {
 	atomic_inc(&t->count);
-	smp_mb__after_atomic_inc();
+	smp_mb__after_atomic();
 }
 
 static inline void tasklet_disable(struct tasklet_struct *t)
@@ -551,13 +557,13 @@ static inline void tasklet_disable(struct tasklet_struct *t)
 
 static inline void tasklet_enable(struct tasklet_struct *t)
 {
-	smp_mb__before_atomic_dec();
+	smp_mb__before_atomic();
 	atomic_dec(&t->count);
 }
 
 static inline void tasklet_hi_enable(struct tasklet_struct *t)
 {
-	smp_mb__before_atomic_dec();
+	smp_mb__before_atomic();
 	atomic_dec(&t->count);
 }