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Subject: Re: [patch] Re: autogroup: sched_setscheduler() fails
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Mike Galbraith <efault@gmx.de>
Cc: Yong Zhang <yong.zhang0@gmail.com>, bharata@linux.vnet.ibm.com,
        Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
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Date: Mon, 17 Jan 2011 14:16:00 +0100
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On Thu, 2011-01-13 at 04:54 +0100, Mike Galbraith wrote:
> sched, autogroup: fix CONFIG_RT_GROUP_SCHED sched_setscheduler() failure.
> 
> If CONFIG_RT_GROUP_SCHED is set, __sched_setscheduler() fails due to autogroup
> not allocating rt_runtime.  Free unused/unusable rt_se and rt_rq, redirect RT
> tasks to the root task group, and tell __sched_setscheduler() that it's ok.
> 
> Signed-off-by: Mike Galbraith <efault@gmx.de>
> Reported-by: Bharata B Rao <bharata@linux.vnet.ibm.com>

Thanks, applied!