Re: [RFC] Paravirt timer for KVM

Glauber de Oliveira Costa
2007-10-15T18:09:57Z

On 10/15/07, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
> If we want to make the clocksource useful for Windows we need to go
> through the apic as that will allow the TPR to mask the interrupt when
> Windows isn't ready to receive it. However I don't know whether it is
> possible to integrate a paravirt clocksource into Windows.

My politically-correct side told me to say that the solution that
works also in Windows is the best one ;-)

> For Linux, we might as well go further and provide a completely
> paravirtualized irqchip instead of trying to integrate a paravirtualized
> clocksource into a fullyvirtualized irqchip.
>

Yes, definitely. In your opinion, what's the size of the gap between
the "we can", and the "we should" here?

--
Glauber de Oliveira Costa.
"Free as in Freedom"
http://glommer.net

"The less confident you are, the more serious you have to act."