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Re: [Qemu-devel] [PATCH] qemu: whitelist kvm pv eoi feature
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH] qemu: whitelist kvm pv eoi feature |
Date: |
Sun, 13 May 2012 15:02:58 +0300 |
On Fri, May 11, 2012 at 06:47:43AM -0600, Eric Blake wrote:
> [adding libvirt, dropping kernel]
>
> On 05/11/2012 01:43 AM, Michael S. Tsirkin wrote:
> > Whitelist kvm pv eoi feature. The feature is enabled
> > with -cpu kvm64. To disable: -cpu kvm64,-kvm_eoi.
> >
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> > ---
> >
> > Sending a copy to kernel list as this is needed
> > to test the pv eoi feature recently submitted.
> >
> > target-i386/cpuid.c | 2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c
> > index 465ea15..c421b19 100644
> > --- a/target-i386/cpuid.c
> > +++ b/target-i386/cpuid.c
> > @@ -75,7 +75,7 @@ static const char *ext3_feature_name[] = {
> > };
> >
> > static const char *kvm_feature_name[] = {
> > - "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock", "kvm_asyncpf",
> > NULL, NULL, NULL,
> > + "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock", "kvm_asyncpf",
> > NULL, "kvm_eoi", NULL,
>
> Should libvirt also be recognizing this processor capability in its XML
> in order to drive the -kvm_eoi option?
I think so.
> --
> Eric Blake address@hidden +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>