Re: [RFC] clocksouce implementation for powerpc

[Sergei Shtylyov]

Hello.

Thomas Gleixner wrote:

> > > > +void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
> > > > +{
> > > > +	timer_recalc_offset(tb_last_jiffy);
> > > > +	timer_check_rtc();
> > > > +}
> >
> > > Hmm .. This doesn't look like it's taking into account that the time has
> > > changed ..
> >
> >    Why? By the time it gets called (form the timer softirq context) 
>
>
> It is called from interrupt context at least in mainline. Only the -rt
> patch moves this to the softirq.

   Anyway, by the time it gets called, tb_last_jiffy gets updated.

> 	tglx

WBR, Sergei
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/