tree 2ba5c725d4723385e88b0a54e8bb4be5b9e38384
parent bfa274e2436fc7ef72ef51c878083647f1cfd429
author Ingo Molnar <mingo@elte.hu> 1202907756 +0100
committer Ingo Molnar <mingo@elte.hu> 1203953656 +0100

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>