diff options
| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-04-02 16:57:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-02 19:04:56 -0700 |
| commit | 0b4217b3fdddc4a58939720d3ed809537577d48b (patch) | |
| tree | 9bda180eb4e9fed454453b4aeaf9447602c74022 /kernel/mutex.h | |
| parent | 83aae4c737866da3280f51fd15da58eddd788397 (diff) | |
cpuset: fix possible races in cpu/memory hotplug
Change to cpuset->cpus_allowed and cpuset->mems_allowed should be protected
by callback_mutex, otherwise the reader may read wrong cpus/mems. This is
cpuset's lock rule.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/mutex.h')
0 files changed, 0 insertions, 0 deletions