From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 28 Mar 2007 11:17:18 +0000 (+0200)
Subject: [PATCH] hrtimers: fix reprogramming SMP race
X-Git-Tag: v2.6.21-rc6~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=935c631db827cc3a96df4dcc6fec374b994fdbd1;p=pandora-kernel.git

[PATCH] hrtimers: fix reprogramming SMP race

hrtimer_start() incorrectly set the 'reprogram' flag to enqueue_hrtimer(),
which should only be 1 if the hrtimer is queued to the current CPU.

Doing otherwise could result in a reprogramming of the current CPU's
clockevents device, with a timer that is not queued to it - resulting in a
bogus next expiry value.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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