From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: 2.6.35-rc2-git1 - include/linux/cgroup.h:534 invoked
 rcu_dereference_check() without protection!
Date: Wed, 09 Jun 2010 20:15:11 +0200
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Cc: paulmck@linux.vnet.ibm.com, Vivek Goyal <vgoyal@redhat.com>,
	Eric Paris <eparis@redhat.com>,
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	Li Zefan <lizf@cn.fujitsu.com>,
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To: Miles Lane <miles.lane@gmail.com>
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On Wed, 2010-06-09 at 19:57 +0200, Peter Zijlstra wrote:
> +       /*
> +        * We're not in the pid-hash yet so no cgroup attach races, and the
> +        * cgroup is pinned by the parent running this.
> +        *
> +        * Silence PROVE_RCU.
> +        */ 

Hum,.. not sure that's actually true though, the parent itself is still
susceptible to races afaict..