Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)

[Martin Schwidefsky]

On 8/1/06, Atsushi Nemoto <anemo@xxxxxxxxxxxxx> wrote:
> > I think that this is going into the wrong direction. There are a
> > number of architectures that call do_timer(regs) in a while loop. It
> > would be much nicer if do_timer would get the number of passed ticks
> > as an argument. And the "regs" argument to do_timer is just useless.
>
> But normally do_timer() is called just once, isn't it?  These loops
> are just for lost ticks, which would be rarely happened.  So I think
> tunning for usual case is better.

If you switch of the hz timer in idle you'll get lots of lost ticks.
And if you are
running a virtualized system you can loose you cpu for some ticks as well.
Pass the number of ticks to do_timer.

--
blue skies,
 Martin
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