Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Thu, 15 Mar 2018 22:12:57 +0100 | Subject | Re: [RFT][PATCH v4 3/7] sched: idle: Do not stop the tick before cpuidle_idle_call() |
| |
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.
| |