[PATCH 04/10] cgroup: always lock threadgroup during migration

[Frederic Weisbecker]

On Mon, Nov 14, 2011 at 07:46:34PM +0100, Frederic Weisbecker wrote:
> I have the feeling the task_lock is now useless given that we are synchronized
> against cgroup_exit() with the threadgroup_lock.
> 
> It's probably also useless in cgroup_exit(). But that's something for a further
> patch...
> 
> Thanks.

Oops, I missed what Kamezawa said and your answer, sorry.