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Subject: Re: [patch 00/18] CFS Bandwidth Control v7.2
From: Peter Zijlstra <peterz@infradead.org>
To: Paul Turner <pjt@google.com>
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Date: Mon, 25 Jul 2011 17:00:41 +0200
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On Mon, 2011-07-25 at 16:58 +0200, Peter Zijlstra wrote:
> +               rcu_read_lock();
> +               ret = walk_tg_tree_from(tg, tg_set_cfs_period_down, NULL, &period);
> +               rcu_read_unlock(); 

rcu over a mutex doesn't really work in mainline, bah..