[CONNECTOR]: clean up {,__}cn_rx_skb()

[linux-2.6-omap-h63xx.git] / include / linux / mutex.h

diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index b81bc2adaeff138095b0db333948f5c03db8d610..601479772b989a5581fd89fa9cc13cb838c13c11 100644 (file)
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -29,7 +29,8 @@
  * - task may not exit with mutex held
  * - memory areas where held locks reside must not be freed
  * - held mutexes must not be reinitialized
- * - mutexes may not be used in irq contexts
+ * - mutexes may not be used in hardware or software interrupt
+ *   contexts such as tasklets and timers
  *
  * These semantics are fully enforced when DEBUG_MUTEXES is
  * enabled. Furthermore, besides enforcing the above rules, the mutex
@@ -120,13 +121,17 @@ static inline int fastcall mutex_is_locked(struct mutex *lock)
  * See kernel/mutex.c for detailed documentation of these APIs.
  * Also see Documentation/mutex-design.txt.
  */
-extern void fastcall mutex_lock(struct mutex *lock);
-extern int fastcall mutex_lock_interruptible(struct mutex *lock);
-
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
-extern int mutex_lock_interruptible_nested(struct mutex *lock, unsigned int subclass);
+extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock,
+                                       unsigned int subclass);
+
+#define mutex_lock(lock) mutex_lock_nested(lock, 0)
+#define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
 #else
+extern void fastcall mutex_lock(struct mutex *lock);
+extern int __must_check fastcall mutex_lock_interruptible(struct mutex *lock);
+
 # define mutex_lock_nested(lock, subclass) mutex_lock(lock)
 # define mutex_lock_interruptible_nested(lock, subclass) mutex_lock_interruptible(lock)
 #endif