diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 3e2841598a36..0a35c815f4d2 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -715,6 +715,7 @@ static void nested_vmcb02_prepare_save(struct vcpu_svm *svm, struct vmcb *vmcb12 } else { svm_copy_lbrs(vmcb02, vmcb01); } + vmcb_mark_dirty(vmcb02, VMCB_LBR); svm_update_lbrv(&svm->vcpu); } @@ -1231,10 +1232,12 @@ int nested_svm_vmexit(struct vcpu_svm *svm) kvm_make_request(KVM_REQ_EVENT, &svm->vcpu); if (unlikely(guest_cpu_cap_has(vcpu, X86_FEATURE_LBRV) && - (svm->nested.ctl.virt_ext & LBR_CTL_ENABLE_MASK))) + (svm->nested.ctl.virt_ext & LBR_CTL_ENABLE_MASK))) { svm_copy_lbrs(vmcb12, vmcb02); - else + } else { svm_copy_lbrs(vmcb01, vmcb02); + vmcb_mark_dirty(vmcb01, VMCB_LBR); + } svm_update_lbrv(vcpu); diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 543f9f3f966e..9b4f5a46d550 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -848,8 +848,6 @@ void svm_copy_lbrs(struct vmcb *to_vmcb, struct vmcb *from_vmcb) to_vmcb->save.br_to = from_vmcb->save.br_to; to_vmcb->save.last_excp_from = from_vmcb->save.last_excp_from; to_vmcb->save.last_excp_to = from_vmcb->save.last_excp_to; - - vmcb_mark_dirty(to_vmcb, VMCB_LBR); } static void __svm_enable_lbrv(struct kvm_vcpu *vcpu)