KVM: disable tpr/cr8 sync when in-kernel APIC is used

Signed-off-by: Qing He <qing.he@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
git-mirror · Oct 13, 2007 · 5cd4f6f · 5cd4f6f
1 parent a3d7f85
commit 5cd4f6f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
@@ -2005,7 +2005,8 @@ static int kvm_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
 	/* re-sync apic's tpr */
-	set_cr8(vcpu, kvm_run->cr8);
+	if (!irqchip_in_kernel(vcpu->kvm))
+		set_cr8(vcpu, kvm_run->cr8);
 
 	if (vcpu->pio.cur_count) {
 		r = complete_pio(vcpu);