lockdep: lookup_chain_cache comment errata
authorJarek Poplawski <jarkao2@o2.pl>
Tue, 8 May 2007 07:30:12 +0000 (00:30 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 8 May 2007 18:15:11 +0000 (11:15 -0700)
Signed-off-by: Jarek Poplawski <jarkao2@o2.pl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/lockdep.c

index 7f573136a905d6270baaa5f0d75d000991cf9af0..dc4ea4c2b4c8cab0bffe6d50f7f0126b1efd328b 100644 (file)
@@ -1309,8 +1309,9 @@ out_unlock_set:
 
 /*
  * Look up a dependency chain. If the key is not present yet then
- * add it and return 0 - in this case the new dependency chain is
- * validated. If the key is already hashed, return 1.
+ * add it and return 1 - in this case the new dependency chain is
+ * validated. If the key is already hashed, return 0.
+ * (On return with 1 graph_lock is held.)
  */
 static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class)
 {