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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 16:19:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 16:19:40 -0700
commite7241d771419b8a8671ebc46a043c324ccb0dcf7 (patch)
tree77f1bc9c635e2ac29396816ce9ef9cbdb6853884 /include
parent3f6280ddf25fa656d0e17960588e52bee48a7547 (diff)
parent04dce7d9d429ea5ea04e9432d1726c930f4d67da (diff)
downloadlinux-e7241d771419b8a8671ebc46a043c324ccb0dcf7.tar.gz
Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: spinlock: Add missing __raw_spin_lock_flags() stub for UP mutex: add atomic_dec_and_mutex_lock(), fix locking, rtmutex.c: Documentation cleanup mutex: add atomic_dec_and_mutex_lock()
Diffstat (limited to 'include')
-rw-r--r--include/linux/mutex.h1
-rw-r--r--include/linux/spinlock_up.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 3069ec7e0ab..878cab4f5fc 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -150,5 +150,6 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
*/
extern int mutex_trylock(struct mutex *lock);
extern void mutex_unlock(struct mutex *lock);
+extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
#endif
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index 938234c4a99..d4841ed8215 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -60,6 +60,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
#define __raw_spin_is_locked(lock) ((void)(lock), 0)
/* for sched.c and kernel_lock.c: */
# define __raw_spin_lock(lock) do { (void)(lock); } while (0)
+# define __raw_spin_lock_flags(lock, flags) do { (void)(lock); } while (0)
# define __raw_spin_unlock(lock) do { (void)(lock); } while (0)
# define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
#endif /* DEBUG_SPINLOCK */