| commit | c1ae6e9b4db00023b9caed72af49a93abad46452 | [log] [tgz] |
|---|---|---|
| author | Kent Overstreet <koverstreet@google.com> | Mon Jun 03 16:02:29 2013 -0700 |
| committer | Tejun Heo <tj@kernel.org> | Mon Jun 03 16:04:04 2013 -0700 |
| tree | 3bd3a5c78af7a7a18d6f390f651b8f5dbaba4c0b | |
| parent | 215e262f2aeba378aa192da07c30770f9925a4bf [diff] |
percpu-refcount: Don't use silly cmpxchg() The cmpxchg() was just to ensure the debug check didn't race, which was a bit excessive. The caller is supposed to do the appropriate synchronization, which means percpu_ref_kill() can just do a simple store. Signed-off-by: Kent Overstreet <koverstreet@google.com> Signed-off-by: Tejun Heo <tj@kernel.org>