Re: KVM and Prempt?

Back, Michael (ext)
2007-10-24T14:02:37Z

With the CONFIG_PREEMPT_NOTIFIERS=y (Kconfig modification) and kvm-48 it works on AMD too!

Only the smp-option doesn't work korrect, but this is no problem for my tests :-)

Thanks for help!

With best regards,
Michael

> -----Ursprüngliche Nachricht-----
> Von: Gregory Haskins [mailto:ghaskins-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org]
> Gesendet: Friday, October 19, 2007 5:27 PM
> An: Back, Michael (ext)
> Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Betreff: Re: AW: [kvm-devel] KVM and Prempt?
>
> On Fri, 2007-10-19 at 16:17 +0200, Back, Michael (ext) wrote:
>
> > >Are you referring to the -rt patch?
> >
> > Yes, I take the patch from
> > http://www.kernel.org/pub/linux/kernel/projects/rt/
> >
>
> Ah, yes. There were problems in the past with running KVM on
> -rt if you
> have the full kit enabled. Its possible they are still not fixed.
>
> I had patches to address this issue for an older KVM and had it up and
> running on a full PREEMPT_RT kernel, but they have become
> quite stale at
> this point. I will be picking up this work again sometime in the near
> future, so watch this space.
>
> Are you building KVM as a module from the -rt tree, or as an external
> module?
>
> -Greg