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Date: Mon, 14 Nov 2011 19:52:43 +0100
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: paul@paulmenage.org, rjw@sisk.pl, lizf@cn.fujitsu.com,
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        containers@lists.linux-foundation.org, matthltc@us.ibm.com,
        akpm@linux-foundation.org, oleg@redhat.com,
        kamezawa.hiroyu@Jp.fujitsu.com
Subject: Re: [PATCH 04/10] cgroup: always lock threadgroup during migration
Message-ID: <20111114185242.GF9446@somewhere>
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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.