From: Mike Galbraith <efault@gmx.de>
Date: Tue, 7 Aug 2012 08:02:38 +0000 (+0200)
Subject: sched,rt: fix isolated CPUs leaving root_task_group indefinitely throttled
X-Git-Tag: v3.6-rc3~27^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e221d028bb08b47e624c5f0a31732c642db9d19a;p=pandora-kernel.git

sched,rt: fix isolated CPUs leaving root_task_group indefinitely throttled

Root task group bandwidth replenishment must service all CPUs, regardless of
where the timer was last started, and regardless of the isolation mechanism,
lest 'Quoth the Raven, "Nevermore"' become rt scheduling policy.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1344326558.6968.25.camel@marge.simpson.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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