linux-kernel - Re: [patch] cgroups: disallow attaching kthreadd

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Date:	Wed, 4 Apr 2012 16:10:25 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Mike Galbraith <mgalbraith@...e.de>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Li Zefan <lizefan@...wei.com>,
	David Rientjes <rientjes@...gle.com>,
	Paul Menage <paul@...lmenage.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch] cgroups: disallow attaching kthreadd

On Wed, Apr 04, 2012 at 04:06:48PM -0700, Tejun Heo wrote:
> On Wed, Apr 04, 2012 at 04:34:38AM +0200, Mike Galbraith wrote:
> > It looked to me like yes, because cgroup_attach_task() can be called
> > directly.  For the problem at hand, user script doing bad things, no,
> > it's not needed.
> 
> Then that's a kernel bug.  We're just trying to protect userland from
> shotting itself, so please just keep the one in the user-facing
> interface.

Ooh, and please use Li's new address - lizefan@...wei.com.

Thanks.

-- 
tejun
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