Re: [PATCH for-3.6] kvm: fix KVM_GET_MSR for PV EOI

From: Marcelo Tosatti
Date: Mon Aug 27 2012 - 17:03:17 EST


On Mon, Aug 27, 2012 at 05:47:42PM -0300, Marcelo Tosatti wrote:
> On Sun, Aug 26, 2012 at 06:00:29PM +0300, Michael S. Tsirkin wrote:
> > KVM_GET_MSR was missing support for PV EOI,
> > which is needed for migration.
> >
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > ---
> >
> > Please consider this bugfix patch for 3.6.
> > Thanks!
> >
> > arch/x86/kvm/x86.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > index 91a5958..ff5e985 100644
> > --- a/arch/x86/kvm/x86.c
> > +++ b/arch/x86/kvm/x86.c
> > @@ -1993,6 +1993,9 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
> > case MSR_KVM_STEAL_TIME:
> > data = vcpu->arch.st.msr_val;
> > break;
> > + case MSR_KVM_PV_EOI_EN:
> > + data = vcpu->arch.pv_eoi.msr_val;
> > + break;
> > case MSR_IA32_P5_MC_ADDR:
> > case MSR_IA32_P5_MC_TYPE:
> > case MSR_IA32_MCG_CAP:
>
> Should increase KVM_SAVE_MSRS_BEGIN.

Already done by e115676e042f4d9268, applied.

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