linux-kernel - Re: [PATCH 1/2] cgroup: fix spurious lockdep warning in cgroup

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Date:	Sat, 29 Mar 2014 09:18:12 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	Sasha Levin <sasha.levin@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH 1/2] cgroup: fix spurious lockdep warning in cgroup_exit()

On Fri, Mar 28, 2014 at 03:18:27PM +0800, Li Zefan wrote:
> cgroup_exit() is called in fork and exit path. If it's called in the
> failure path during fork, PF_EXITING isn't set, and then lockdep will
> complain.
> 
> Fix this by removing cgroup_exit() in that failure path. cgroup_fork()
> does nothing that needs cleanup.
> 
> Reported-by: Sasha Levin <sasha.levin@...cle.com>
> Signed-off-by: Li Zefan <lizefan@...wei.com>

Applied 1-2 to cgroup/for-3.15.

Thanks!

-- 
tejun
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