On Thu, Sep 11, 2014 at 11:21:49AM +0200, Paolo Bonzini wrote:
> Il 11/09/2014 07:38, Tang Chen ha scritto:
> > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> > index 63c4c3e..da6d55d 100644
> > --- a/arch/x86/kvm/vmx.c
> > +++ b/arch/x86/kvm/vmx.c
> > @@ -7093,6 +7093,11 @@ static void vmx_set_virtual_x2apic_mode(struct kvm_vcpu *vcpu, bool set)
> > vmx_set_msr_bitmap(vcpu);
> > }
> >
> > +static void vmx_set_apic_access_page_addr(struct kvm *kvm, hpa_t hpa)
> > +{
> > + vmcs_write64(APIC_ACCESS_ADDR, hpa);
>
> This has to be guarded by "if (!is_guest_mode(vcpu))".
>
We do need to write it if L1 and L2 share APIC_ACCESS_ADDR and skip
it otherwise, no?
> > +}
> > +
--
Gleb.
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