@@ -5929,6 +6018,14 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu)
 		return;

 	guest_cpuid_clear(vcpu, X86_FEATURE_X2APIC);
+
+	/*
+	 * Currently, AVIC does not work with nested virtualization.
+	 * So, we disable AVIC when cpuid for SVM is set in the L1 guest.
+	 */
+	if (nested && guest_cpuid_has(vcpu, X86_FEATURE_SVM))
+		kvm_request_apicv_update(vcpu->kvm, false,
+					 APICV_INHIBIT_REASON_NESTED);
 }

 #define F feature_bit

 @@ -9219,10 +9267,11 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 		return r;

 	if (irqchip_in_kernel(vcpu->kvm)) {
-		vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu->kvm);
 		r = kvm_create_lapic(vcpu, lapic_timer_advance_ns);
 		if (r < 0)
 			goto fail_mmu_destroy;
+		if (kvm_apicv_activated(vcpu->kvm))
+			vcpu->arch.apicv_active = true;
 	} else
 		static_key_slow_inc(&kvm_no_apic_vcpu);