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SubjectRe: [PATCH] x86: enable x2apic early at the first point

* Gleb Natapov <gleb@redhat.com> wrote:

> On Fri, Feb 20, 2009 at 10:41:23AM +0100, Ingo Molnar wrote:
> >
> > * Gleb Natapov <gleb@redhat.com> wrote:
> >
> > > > > I will post couple of patches, which revert's Gleb's patch
> > > > > and another fix for the early boot failure issue,
> > > > > tomorrow.
> > >
> > > If you'll revert my patch it will not be possible to use
> > > x2apic in KVM (at least without KVM implementing interrupt
> > > remapping which is unneeded otherwise) and x2apic interface is
> > > much better for vitalization. Instead of reverting the patch
> > > it will be better to add check if x2apic can be used without
> > > intr-remmaping (all CPUs belong to cluster 0) or allow
> > > enabling of x2apic without IR if running as a guest.
> >
> > yep, that would be required - because your patch can break real
> > systems right now. Mind sending me a fix for it?
> >
> > I've applied Yinghai's fix as well, so please base it on latest
> > tip:master.
> >
> OK. Will send next week.

ok, that's too long of a breakage window - i'll revert it then,
please send a new version once you have it.

Thanks,

Ingo


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