Messages in this thread | | | Date | Fri, 24 Oct 2014 15:56:06 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/5] cpuidle: idle: menu: Don't reflect when a state selection failed |
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On Fri, Oct 24, 2014 at 03:43:53PM +0200, Daniel Lezcano wrote: > On 10/24/2014 03:38 PM, Peter Zijlstra wrote: > >On Mon, Oct 20, 2014 at 06:25:41PM +0200, Daniel Lezcano wrote: > >>+++ b/kernel/sched/idle.c > >>@@ -162,7 +162,8 @@ use_default: > >> /* > >> * Give the governor an opportunity to reflect on the outcome > >> */ > >>- cpuidle_reflect(dev, entered_state); > >>+ if (entered_state >= 0) > >>+ cpuidle_reflect(dev, entered_state); > >> > > > >Given we'll do use_default: when next_state < 0, we actually never get > >here unless this is true. > > There is the 'cpuidle_enter' call in between which may fail.
Hmm, indeed there is. I had not expected that one to fail like this.
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