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authorIngo Molnar <mingo@elte.hu>2006-07-03 11:24:55 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-04 02:27:04 +0400
commitef5d4707b9065c0cf8a69fa3716893f3b75201ba (patch)
tree9ec92f31356bf404486c1b26df9fa40bd784f983 /include/linux/mutex-debug.h
parent8a25d5debff2daee280e83e09d8c25d67c26a972 (diff)
downloadlinux-ef5d4707b9065c0cf8a69fa3716893f3b75201ba.tar.xz
[PATCH] lockdep: prove mutex locking correctness
Use the lock validator framework to prove mutex locking correctness. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/mutex-debug.h')
-rw-r--r--include/linux/mutex-debug.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/mutex-debug.h b/include/linux/mutex-debug.h
index 70a26091fc73..2537285e1064 100644
--- a/include/linux/mutex-debug.h
+++ b/include/linux/mutex-debug.h
@@ -2,6 +2,7 @@
#define __LINUX_MUTEX_DEBUG_H
#include <linux/linkage.h>
+#include <linux/lockdep.h>
/*
* Mutexes - debugging helpers:
@@ -10,7 +11,12 @@
#define __DEBUG_MUTEX_INITIALIZER(lockname) \
, .magic = &lockname
-#define mutex_init(sem) __mutex_init(sem, __FILE__":"#sem)
+#define mutex_init(mutex) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ __mutex_init((mutex), #mutex, &__key); \
+} while (0)
extern void FASTCALL(mutex_destroy(struct mutex *lock));