linux-kernel - Re: [PATCH] cls_cgroup: Fix rcu lockdep warning

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Message-ID: <20100903045255.GB28300@gondor.apana.org.au>
Date:	Fri, 3 Sep 2010 12:52:55 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	David Miller <davem@...emloft.net>, Dave Jones <davej@...hat.com>,
	netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cls_cgroup: Fix rcu lockdep warning

On Thu, Sep 02, 2010 at 02:30:07PM +0800, Li Zefan wrote:
> Calling task_subsys_state() without holding rcu_read_lock or
> cgroup_mutex can cause lockdep warning.
> 
> Reported-by: Dave Jones <davej@...hat.com>
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Thanks for catching this.
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Email: Herbert Xu <herbert@...dor.apana.org.au>
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