From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 13 Feb 2008 13:02:36 +0000 (+0100)
Subject: sched: make early bootup sched_clock() use safer
X-Git-Tag: v2.6.25-rc4~160^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6892b75e60557a48c01d57ba320419a9e2ce9846;p=pandora-kernel.git

sched: make early bootup sched_clock() use safer

do not call sched_clock() too early. Not only might rq->idle
not be set up - but pure per-cpu data might not be accessible
either.

this solves an ia64 early bootup hang with CONFIG_PRINTK_TIME=y.

Tested-by: Tony Luck <tony.luck@gmail.com>
Acked-by: Tony Luck <tony.luck@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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