From: Paul Turner <pjt@google.com>
Date: Tue, 30 Nov 2010 00:55:40 +0000 (-0800)
Subject: sched: Fix unregister_fair_sched_group()
X-Git-Tag: v2.6.38-rc1~489^2~12
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=822bc180a7f7a7bc5fcaaea195f41b487cc8cae8;p=pandora-kernel.git

sched: Fix unregister_fair_sched_group()

In the flipping and flopping between calling
unregister_fair_sched_group() on a per-cpu versus per-group basis
we ended up in a bad state.

Remove from the list for the passed cpu as opposed to some
arbitrary index.

( This fixes explosions w/ autogroup as well as a group
  creation/destruction stress test. )

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20101130005740.080828123@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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