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SubjectRe: [RFC/PATCH] PM / Sleep: Timer quiesce in freeze state
On Mon, Oct 27, 2014 at 02:27:27PM +0800, Li, Aubrey wrote:
> >> +static void freezer_suspend_tk(int cpu)
> >> {
> >> + if (tick_do_timer_cpu != cpu)
> >> + return;
> >> +
> >
> > I had a note here that this might be broken for clocksource drivers that
> > have suspend/resume methods. You seem to have 'lost' that note, is that
> > because you found it isn't a problem?
> >
> I don't see it's a problem as long as we do not refer the clock source
> before it resumes. But I think my testing didn't cover that case that
> clock source drivers have suspend/resume methods. Can you please give
> more details what do you worry about?

I can't seem to recall :/ Maybe I conflated clocksource and clockevents
and figured we'd need to run the clocksource suspend callback on each
cpu.


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