Re: 2.6.35-rc2-git1 - include/linux/cgroup.h:534 invoked rcu_dereference_check() without protection!

From: Peter Zijlstra
Date: Wed Jun 09 2010 - 14:15:48 EST


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..
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