Messages in this thread | | | Subject | Re: [PATCH 07/10] KVM: SVM: use vmcb01 in svm_refresh_apicv_exec_ctrl | From | Paolo Bonzini <> | Date | Wed, 23 Jun 2021 23:54:21 +0200 |
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On 23/06/21 13:29, Maxim Levitsky wrote: > AVIC is not supported for nesting but in some corner > cases it is possible to have it still be enabled, > after we entered nesting, and use vmcb02. > > Fix this by always using vmcb01 in svm_refresh_apicv_exec_ctrl
Please be more verbose about the corner case (and then the second paragraph should not be necessary anymore).
Paolo
> Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> > --- > arch/x86/kvm/svm/avic.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c > index 1d01da64c333..a8ad78a2faa1 100644 > --- a/arch/x86/kvm/svm/avic.c > +++ b/arch/x86/kvm/svm/avic.c > @@ -646,7 +646,7 @@ static int svm_set_pi_irte_mode(struct kvm_vcpu *vcpu, bool activate) > void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu) > { > struct vcpu_svm *svm = to_svm(vcpu); > - struct vmcb *vmcb = svm->vmcb; > + struct vmcb *vmcb = svm->vmcb01.ptr; > bool activated = kvm_vcpu_apicv_active(vcpu); > > if (!enable_apicv) >
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