One fix for an x86 regression in VM migration, mostly visible with

Windows because it uses RTC periodic interrupts.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJX2xpHAAoJEL/70l94x66D9NsIAIw+9oRA86qjehVnguV3fRKA
 ITZ4OGFDiXPWuxqDaw8mHHXr0RYx8KcMTzfFNbV+YL5U0cq9xYzdaNhchKPpyF+3
 7H5wL8Ku9wkYZ930kdCf5Q+LNCfg8d/wKlibPEbX0MDx4jL99kkcxLzEkmIRqFlq
 bpXaQe/KR1xCWR6gI/a6aRJWLfGuFMV82YSnk/dCSjwotbAwjJUSt+IPhLwhx28o
 7ddcxW3CxQqelJorcu2lvRiGnCvEzDhIdOvHJqibCjo3uzqbcI4PA2gs3rozbs9s
 VMEzqZpNgK0XsyKyccSw75npViIHYPkjMzxoyHMDhgiP3eIwp/tJquxAfLjK4WE=
 =h4P4
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fix from Paolo Bonzini:
 "One fix for an x86 regression in VM migration, mostly visible with
  Windows because it uses RTC periodic interrupts"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86: correctly reset dest_map->vector when restoring LAPIC state

arch/x86/kvm/ioapic.c

@@ -109,6 +109,7 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu)
 {
 	bool new_val, old_val;
 	struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic;
+	struct dest_map *dest_map = &ioapic->rtc_status.dest_map;
 	union kvm_ioapic_redirect_entry *e;
 
 	e = &ioapic->redirtbl[RTC_GSI];
@@ -117,16 +118,17 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu)
 		return;
 
 	new_val = kvm_apic_pending_eoi(vcpu, e->fields.vector);
-	old_val = test_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+	old_val = test_bit(vcpu->vcpu_id, dest_map->map);
 
 	if (new_val == old_val)
 		return;
 
 	if (new_val) {
-		__set_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+		__set_bit(vcpu->vcpu_id, dest_map->map);
+		dest_map->vectors[vcpu->vcpu_id] = e->fields.vector;
 		ioapic->rtc_status.pending_eoi++;
 	} else {
-		__clear_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map);
+		__clear_bit(vcpu->vcpu_id, dest_map->map);
 		ioapic->rtc_status.pending_eoi--;
 		rtc_status_pending_eoi_check_valid(ioapic);
 	}