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Subject: Re: [patch 12/16] sched: prevent interactions with throttled
 entities
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Paul Turner <pjt@google.com>
Cc: linux-kernel@vger.kernel.org, Bharata B Rao <bharata@linux.vnet.ibm.com>,
        Dhaval Giani <dhaval.giani@gmail.com>,
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        Ingo Molnar <mingo@elte.hu>, Pavel Emelyanov <xemul@openvz.org>
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Date: Wed, 22 Jun 2011 23:34:19 +0200
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On Tue, 2011-06-21 at 00:17 -0700, Paul Turner wrote:
> +       udd.cpu = rq->cpu;
> +       udd.now = rq->clock_task;
> +       walk_tg_tree_from(cfs_rq->tg, tg_unthrottle_down, tg_nop,
> +                         (void *)&udd); 

How about passing rq along and not using udd? :-)