Date: Wed, 25 Nov 2015 14:54:10 -0500
From: Tejun Heo <tj@kernel.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Aleksa Sarai <cyphar@cyphar.com>, Johannes Weiner <hannes@cmpxchg.org>,
        Li Zefan <lizefan@huawei.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH?] race between cgroup_subsys->fork() and cgroup_migrate()
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References: <20151125163427.GA8139@redhat.com>
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On Wed, Nov 25, 2015 at 02:51:38PM -0500, Tejun Heo wrote:
> Sounds perfect.  As this needs to go through -stable, can you please
> resend the patch with proper description and SOB?  Please also update
> the now incorrect comment in can_attach.

Ooh, the patch triggers RCU warning from task_css().  It's spurious
and I think the right thing to do at least for now is using
task_css_check() and explain what's going on.

Thanks.

-- 
tejun
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