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authorJarek Poplawski <jarkao2@o2.pl>2007-05-08 00:30:12 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:11 -0700
commit9e860d000a90cfc9ca270ddb6e99b177e6aa91cd (patch)
tree9a7ab3e8c007f01cf9603a71a3842d68e4cbf41d /kernel
parent076fa0fa2d53046d32f5157022d683b8027f05ed (diff)
lockdep: lookup_chain_cache comment errata
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/lockdep.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 7f573136a90..dc4ea4c2b4c 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -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)
{