From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 28 Feb 2008 20:00:21 +0000 (+0100)
Subject: sched: make cpu_clock() globally synchronous
X-Git-Tag: v2.6.26-rc1~1132^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27ec4407790d075c325e1f4da0a19c56953cce23;p=pandora-kernel.git

sched: make cpu_clock() globally synchronous

Alexey Zaytsev reported (and bisected) that the introduction of
cpu_clock() in printk made the timestamps jump back and forth.

Make cpu_clock() more reliable while still keeping it fast when it's
called frequently.

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