Re: add back pending timer irqs for kernel APIC timer

Gregory Haskins
2007-08-13T12:01:54Z

On Mon, 2007-08-13 at 11:50 +0300, Avi Kivity wrote:

> > This patch keep track of the pending irqs and inject them back to guest
> > eventually
> > even the guest may be descheduled. This is also what we did in Xen.
> > BTW, This policy will also be applied to future kernel PIT, I just do it
> > step by step.
> >
> >
>
> I see. We have something like that in userspace (called the
> time-drift-fix, or tdf). Will look at the patch now.
>
>

Note that my old lapic branch did a similar "tdf" thing as well and it
worked quite nicely, so I think Eddie is on the right track with adding
this.