cgroups: use task_lock() for access tsk->cgroups safe in cgroup_clone()
authorLai Jiangshan <[email protected]>
Thu, 8 Jan 2009 02:07:38 +0000 (18:07 -0800)
committerLinus Torvalds <[email protected]>
Thu, 8 Jan 2009 16:31:02 +0000 (08:31 -0800)
commit104cbd55377029e70fc2cee01089e84b9c36e5dc
tree60c7d0d9625b74f6a2733a9618cc97dc772848f5
parentb2aa30f7bb381e04c93eed106089ba55553955f1
cgroups: use task_lock() for access tsk->cgroups safe in cgroup_clone()

Use task_lock() protect tsk->cgroups and get_css_set(tsk->cgroups).

Signed-off-by: Lai Jiangshan <[email protected]>
Acked-by: Paul Menage <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Cc: Balbir Singh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
kernel/cgroup.c