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| author | Jarek Poplawski <jarkao2@o2.pl> | 2007-05-08 00:30:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:11 -0700 |
| commit | 9e860d000a90cfc9ca270ddb6e99b177e6aa91cd (patch) | |
| tree | 9a7ab3e8c007f01cf9603a71a3842d68e4cbf41d /kernel/lockdep.c | |
| parent | 076fa0fa2d53046d32f5157022d683b8027f05ed (diff) | |
| download | lwn-9e860d000a90cfc9ca270ddb6e99b177e6aa91cd.tar.gz lwn-9e860d000a90cfc9ca270ddb6e99b177e6aa91cd.zip | |
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/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 7f573136a905..dc4ea4c2b4c8 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) { |