On Mon, 2007-10-15 at 12:04 +0800, Dong, Eddie wrote:
> >>> 1) the PIT is periodic.  a PV timer can offer a one shot 
> >timer which 
> >>> enables dynticks.
> >>>     
> >>
> >> Obviously people have figured out how to do dynticks on real x86
> >> hardware, so I don't accept this reason. :)
> >>   
> >
> >Using more advanced timers like the HPET.
> >
> 
> I'd think there is no reason for virtual timer to be PIT like, which
> is mostly due to historic reason.
> 
> If we need to make it close to native timer device, HPET is much
> better than PIT for virtual time to look like.

Fine, so why do we need PV time when we can emulate the HPET?

-- 
Hollis Blanchard
IBM Linux Technology Center


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