linux-kernel - Re: [PATCH for-3.6] kvm: fix KVM_GET

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Message-ID: <20120827210210.GA6192@amt.cnet>
Date:	Mon, 27 Aug 2012 18:02:10 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	kvm@...r.kernel.org, Avi Kivity <avi@...hat.com>, gleb@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH for-3.6] kvm: fix KVM_GET_MSR for PV EOI

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@...hat.com>
> > ---
> > 
> > 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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