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(parent: 5f9fa8a) | patch
sched: enable early use of sched_clock()
authorIngo Molnar <mingo@elte.hu>
Fri, 7 Dec 2007 18:02:47 +0000 (19:02 +0100)
committerIngo Molnar <mingo@elte.hu>
Fri, 7 Dec 2007 18:02:47 +0000 (19:02 +0100)
commit8ced5f69e4bc09adcc6442e090e2e64c197246cf
treed431ff185719579c6a786a97adf6def6a849751ctree | snapshot (tar.gz zip)
parent5f9fa8a62d6a98f5cb2ee2e00b85bfe95e45888dcommit | diff
sched: enable early use of sched_clock()

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>
kernel/sched.c diff | blob | blame | history