Messages in this thread | | | Subject | Re: sched: fix/optimise some issues | From | Peter Zijlstra <> | Date | Wed, 20 Jul 2011 21:11:40 +0200 |
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On Wed, 2011-07-20 at 15:42 +0200, Stephan Bärwolf wrote: > > The function "check_preempt_wakeup" (kernel/sched_fair.c:1885) > will preempt idle-task (for non-idle task), even if WAKEUP_PREEMPT > is not featured (because of a too late checking the feature). > This patches moves the checking of WAKEUP_PREEMT in front of > idle-preemtion.
That's actually on purpose, the WAKE_PREEMPT feature is supposed to only affect preemption between SCHED_OTHER tasks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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