openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Jarek Poplawski 2007-05-08 00:30:12 -07:00 committed by Linus Torvalds
parent 076fa0fa2d
commit 9e860d000a
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
kernel/lockdep.c
View File

@ -1309,8 +1309,9 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
/* /*
* Look up a dependency chain. If the key is not present yet then * 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 * add it and return 1 - in this case the new dependency chain is
* validated. If the key is already hashed, return 1. * 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) static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class)
{ {