sched: make early bootup sched_clock() use safer

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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>

...

This commit is contained in:

Ingo Molnar 2008-02-13 14:02:36 +01:00

parent bfa274e243

commit 6892b75e60

1 changed files with 10 additions and 4 deletions

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14

kernel/sched.c

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