KVM: vmx: move sync_pir_to_irr from apic_find_highest_irr to callers

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/lapic.c

@@ -410,8 +410,6 @@ static inline int apic_find_highest_irr(struct kvm_lapic *apic)
 	if (!apic->irr_pending)
 		return -1;
 
-	if (apic->vcpu->arch.apicv_active)
-		kvm_x86_ops->sync_pir_to_irr(apic->vcpu);
 	result = apic_search_irr(apic);
 	ASSERT(result == -1 || result >= 16);
 
@@ -581,7 +579,10 @@ static void pv_eoi_clr_pending(struct kvm_vcpu *vcpu)
 
 static int apic_has_interrupt_for_ppr(struct kvm_lapic *apic, u32 ppr)
 {
-	int highest_irr = apic_find_highest_irr(apic);
+	int highest_irr;
+	if (apic->vcpu->arch.apicv_active)
+		kvm_x86_ops->sync_pir_to_irr(apic->vcpu);
+	highest_irr = apic_find_highest_irr(apic);
 	if (highest_irr == -1 || (highest_irr & 0xF0) <= ppr)
 		return -1;
 	return highest_irr;

arch/x86/kvm/x86.c

@@ -6822,10 +6822,12 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 		 * Update architecture specific hints for APIC
 		 * virtual interrupt delivery.
 		 */
-		if (vcpu->arch.apicv_active)
+		if (vcpu->arch.apicv_active) {
+			kvm_x86_ops->sync_pir_to_irr(vcpu);
 			kvm_x86_ops->hwapic_irr_update(vcpu,
 				kvm_lapic_find_highest_irr(vcpu));
 		}
+	}
 
 	if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) {
 		++vcpu->stat.req_event;