sched: enable early use of sched_clock()

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some platforms have sched_clock() implementations that cannot be called
very early during wakeup. If it's called it might hang or crash in hard
to debug ways. So only call update_rq_clock() [which calls sched_clock()]
if sched_init() has already been called. (rq->idle is NULL before the
scheduler is initialized.)

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

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Ingo Molnar 2007-12-07 19:02:47 +01:00

parent 5f9fa8a62d

commit 8ced5f69e4

1 changed files with 6 additions and 1 deletions

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kernel/sched.c

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