Messages in this thread | | | Subject | Re: [tip:sched/urgent] Sched: fix skip_clock_update optimization | From | Peter Zijlstra <> | Date | Fri, 10 Dec 2010 17:17:48 +0100 |
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On Fri, 2010-12-10 at 10:33 +0800, Yong Zhang wrote: > > I don't see it on my side. > Then just show some info(don't know if it's helpful): > wake_up_idle_cpu() can set TIF_RESCHED locklessly. > > So does > WARN_ON_ONCE(next != rq->idle && test_tsk_need_resched(next)); > help?
Its a good possibility, sadly I haven't been able to reproduce so I cannot confirm. I'll keep my machine running, maybe it will trigger in a few hours.
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