Messages in this thread | | | Subject | Re: [PATCH]sched: stop hrtick timer if running task is switching from fair scheduling class to another | From | Peter Zijlstra <> | Date | Wed, 04 Jan 2012 13:30:29 +0100 |
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On Mon, 2011-12-26 at 16:42 +0100, Oleg Nesterov wrote: > > Peter, Ingo, does this code really work? SCHED_FEAT(HRTICK) == 0 > by default, and afaics you can't change it without CONFIG_SCHED_DEBUG. > >
No its broken. Maybe I should've removed it, but I've always been meaning to fix it since SCHED_DEADLINE actually needs it, but alas. -ENOTIME and no urgency need have conspired against it.
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