Messages in this thread | | | Date | Fri, 16 Mar 2018 15:17:20 +0100 | From | Frederic Weisbecker <> | Subject | Re: [RFT][PATCH v4 3/7] sched: idle: Do not stop the tick before cpuidle_idle_call() |
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On Thu, Mar 15, 2018 at 10:12:57PM +0100, Rafael J. Wysocki wrote: > On Thu, Mar 15, 2018 at 9:41 PM, Rafael J. Wysocki <rafael@kernel.org> wrote: > > On Thu, Mar 15, 2018 at 7:19 PM, Frederic Weisbecker > > <frederic@kernel.org> wrote: > >> On Mon, Mar 12, 2018 at 10:53:25AM +0100, Rafael J. Wysocki wrote: > >>> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > >>> > >>> Make cpuidle_idle_call() decide whether or not to stop the tick. > >>> > >>> First, the cpuidle_enter_s2idle() path deals with the tick (and with > >>> the entire timekeeping for that matter) by itself and it doesn't need > >>> the tick to be stopped beforehand. > >> > >> Not sure you meant timekeeping either :) > > > > Yeah, I meant nohz. > > Well, not really. :-) > > It is the entire timekeeping this time, as it can be suspended > entirely in that code path.
Fair point.
Thanks!
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