diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index dbf74c922aa13510d00e80deecaeb07a00e7965b..e29883c604ff02c232a769663cf33a4d6f80379c 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -353,6 +353,7 @@ static inline int apic_find_highest_irr(struct kvm_lapic *apic)
 	if (!apic->irr_pending)
 		return -1;
 
+	kvm_x86_ops->sync_pir_to_irr(apic->vcpu);
 	result = apic_search_irr(apic);
 	ASSERT(result == -1 || result >= 16);
 
@@ -683,18 +684,25 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
 		if (dest_map)
 			__set_bit(vcpu->vcpu_id, dest_map);
 
-		result = !apic_test_and_set_irr(vector, apic);
-		trace_kvm_apic_accept_irq(vcpu->vcpu_id, delivery_mode,
-					  trig_mode, vector, !result);
-		if (!result) {
-			if (trig_mode)
-				apic_debug("level trig mode repeatedly for "
-						"vector %d", vector);
-			break;
-		}
+		if (kvm_x86_ops->deliver_posted_interrupt) {
+			result = 1;
+			kvm_x86_ops->deliver_posted_interrupt(vcpu, vector);
+		} else {
+			result = !apic_test_and_set_irr(vector, apic);
 
-		kvm_make_request(KVM_REQ_EVENT, vcpu);
-		kvm_vcpu_kick(vcpu);
+			if (!result) {
+				if (trig_mode)
+					apic_debug("level trig mode repeatedly "
+						"for vector %d", vector);
+				goto out;
+			}
+
+			kvm_make_request(KVM_REQ_EVENT, vcpu);
+			kvm_vcpu_kick(vcpu);
+		}
+out:
+		trace_kvm_apic_accept_irq(vcpu->vcpu_id, delivery_mode,
+				trig_mode, vector, !result);
 		break;
 
 	case APIC_DM_REMRD:
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3a14d8a0ee462853d86448fd824d7cc56de2fa7a..5a87a58af49dc75b61de4f89b1886d74f86dd3a7 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -84,7 +84,7 @@ module_param(vmm_exclusive, bool, S_IRUGO);
 static bool __read_mostly fasteoi = 1;
 module_param(fasteoi, bool, S_IRUGO);
 
-static bool __read_mostly enable_apicv;
+static bool __read_mostly enable_apicv = 1;
 module_param(enable_apicv, bool, S_IRUGO);
 
 /*
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 276b4a9a5605de065f95743a77dd16f1ddba1db8..50e2e10b80416b85a9356f017b1eff347c368d0e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2692,6 +2692,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu,
 				    struct kvm_lapic_state *s)
 {
+	kvm_x86_ops->sync_pir_to_irr(vcpu);
 	memcpy(s->regs, vcpu->arch.apic->regs, sizeof *s);
 
 	return 0;