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From: Mike Galbraith <>
To: Peter Zijlstra <>
Cc: LKML <>
Subject: Re: [patch] sched,cgroup_sched: fix up task_groups list
Date: Mon, 06 Aug 2012 22:09:36 +0200
Message-ID: <> (raw)
In-Reply-To: <1344279897.27828.97.camel@twins>

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.


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Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-06 15:32 Mike Galbraith
2012-08-06 19:04 ` Peter Zijlstra
2012-08-06 20:09   ` Mike Galbraith [this message]
2012-08-06 20:41     ` Peter Zijlstra
2012-08-07  3:00       ` Mike Galbraith
2012-08-13 16:51         ` [tip:sched/urgent] sched,cgroup: Fix " tip-bot for Mike Galbraith

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