On Wed, Jul 26, 2006 at 01:27:46AM +0200, Segher Boessenkool wrote:
> >It's not that bad; if userspace is running, the cpu isn't idle, so
> >there isn't the motivation to go tickless on that cpu. In other
> >words, if every cpu has suspended ticks, then no cpu can be running
> >stuff that needs to look at this page.
>
> If I read the patch correctly, none of those legacy RTC ticks
> can ever be suspended though?
>
Of course they can. See rtc_do_ioctl, specifically the RTC_UIE_OFF and
RTC_PIE_OFF cases.
Neil
>
> Segher
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