From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 26 Jul 2007 11:40:43 +0000 (+0200)
Subject: [PATCH] sched: make cpu_clock() not use the rq clock
X-Git-Tag: v2.6.23-rc2~191^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cd4d0ea19713304963dbb2de5073700bfe253f5;p=pandora-kernel.git

[PATCH] sched: make cpu_clock() not use the rq clock

it is enough to disable interrupts to get the precise rq-clock
of the local CPU.

this also solves an NMI watchdog regression: the NMI watchdog
calls touch_softlockup_watchdog(), which might deadlock on
rq->lock if the NMI hits an rq-locked critical section.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
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