Re: [patch 0/2] x2apic optimization, round 4

From: Ingo Molnar
Date: Sun May 01 2011 - 12:47:17 EST



* Avi Kivity <avi@xxxxxxxxxx> wrote:

> On 04/30/2011 08:14 PM, Cyrill Gorcunov wrote:
> > Hi Ingo, here is an updated series of two patches for
> >x2apic cluster mode ipi optimization. Please take a
> >look.
> >
> > The only concern which was unresolved is a messy bit
> >in default_setup_apic_routing(), so we've added a FIXME
> >there and clean it up as only time permits. Actually I
> >have a plan to merge probe_32/64.c into single file (and
> >even started working on this task) but not yes succeed.
> >
> > Anyway I think patches should be in a good shape now and
> >probably we could merge them to not lose?
> >
> > Comments are welcome.
>
> Very nice! This will also significantly speed up kvm guests using x2apic.

Ok. It would be nice to know on what systems these patches were tested, i.e. i
suppose x2apic-enabled ones?

Thanks,

Ingo
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