diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index cc4da232040c72..eb7060d3327bb6 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -675,6 +675,18 @@ void avic_apicv_post_state_restore(struct kvm_vcpu *vcpu) avic_handle_ldr_update(vcpu); } +void avic_set_virtual_apic_mode(struct kvm_vcpu *vcpu) +{ + if (!lapic_in_kernel(vcpu) || avic_mode == AVIC_MODE_NONE) + return; + + if (kvm_get_apic_mode(vcpu) == LAPIC_MODE_INVALID) { + WARN_ONCE(true, "Invalid local APIC state (vcpu_id=%d)", vcpu->vcpu_id); + return; + } + avic_refresh_apicv_exec_ctrl(vcpu); +} + static int avic_set_pi_irte_mode(struct kvm_vcpu *vcpu, bool activate) { int ret = 0; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 382edac728c7c7..67ba0d3a7f6247 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4793,6 +4793,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = { .enable_nmi_window = svm_enable_nmi_window, .enable_irq_window = svm_enable_irq_window, .update_cr8_intercept = svm_update_cr8_intercept, + .set_virtual_apic_mode = avic_set_virtual_apic_mode, .refresh_apicv_exec_ctrl = avic_refresh_apicv_exec_ctrl, .check_apicv_inhibit_reasons = avic_check_apicv_inhibit_reasons, .apicv_post_state_restore = avic_apicv_post_state_restore, diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 172c2a37e60e89..6d89842853cf6a 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -634,6 +634,8 @@ void avic_vcpu_blocking(struct kvm_vcpu *vcpu); void avic_vcpu_unblocking(struct kvm_vcpu *vcpu); void avic_ring_doorbell(struct kvm_vcpu *vcpu); unsigned long avic_vcpu_get_apicv_inhibit_reasons(struct kvm_vcpu *vcpu); +void avic_set_virtual_apic_mode(struct kvm_vcpu *vcpu); + /* sev.c */