linux-kernel - Re: [patch] sched,cgroup_sched: fix up task

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Message-ID: <1344285688.27828.114.camel@twins>
Date:	Mon, 06 Aug 2012 22:41:28 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Mike Galbraith <efault@....de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch] sched,cgroup_sched: fix up task_groups list

On Mon, 2012-08-06 at 22:09 +0200, Mike Galbraith wrote:
> On Mon, 2012-08-06 at 21:04 +0200, Peter Zijlstra wrote: 
> > On Mon, 2012-08-06 at 17:32 +0200, Mike Galbraith wrote:
> > > Thinko happened during sched migration to kernel/sched, fix it up.
> > 
> > what's the effect.. that is what broke and why are we backporting this
> > to -stable?
> 
> The effect is that for_each_rt_rq() doesn't work, because it's not the
> same task_groups list that groups were added to, it's an empty list, so
> __enable/disable_runtime() and print_rt_stats() don't work, and you
> can't see rt task groups.

It seems to me this makes for excellent changelog material ;-)
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