From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 18 Oct 2011 20:03:48 +0000 (+0200)
Subject: sched/rt: Keep period timer ticking when rt throttling is active
X-Git-Tag: v3.4-rc1~191^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42c62a589f1ccbf38a02cb732231f9c2fccc5ab0;p=pandora-kernel.git

sched/rt: Keep period timer ticking when rt throttling is active

When a runqueue is throttled we cannot disable the period timer
because that timer is the only way to undo the throttling.

We got stale throttling entries when a rq was throttled and then the
global sysctl was disabled, which stopped the timer.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
[ Added changelog ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/n/tip-nuj34q52p6ro7szapuz84i0v@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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