On Thu, 20 Feb 2014, John Stultz wrote:
> On 02/20/2014 12:40 AM, Alexey Perevalov wrote:
> > diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
> > index e75e1b6..bb8dc60 100644
> > --- a/include/uapi/linux/time.h
> > +++ b/include/uapi/linux/time.h
> > @@ -56,6 +56,9 @@ struct itimerval {
> > #define CLOCK_BOOTTIME_ALARM 9
> > #define CLOCK_SGI_CYCLE 10 /* Hardware specific */
> > #define CLOCK_TAI 11
> > +#define CLOCK_REALTIME_DEFERRABLE 12
> > +#define CLOCK_MONOTONIC_DEFERRABLE 13
> > +#define CLOCK_BOOTTIME_DEFERRABLE 14
>
> Adding the deferrable HRTIMER bases above is right, but I don't think we
> agreed on adding the _DEFERRABLE clockids.
>
> I'd instead prefer you use add a new TIMER_DEFERABLE flags argument, and
> use the combination of the clockid + flag to decide which HRTIMER base
> is used.
And how does that work with anything else than timerfd? If we add
deferrable posix clocks then we add them for the other interfaces
which take a clockid as well.
Thanks,
tglx
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