KVM: x86: Disable posted interrupts for non-standard IRQs delivery modes

[linux-2.6-microblaze.git] / arch / x86 / kvm / vmx / vmx.c

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 570a233..63f3d88 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7382,10 +7382,14 @@ static int vmx_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
                 * irqbalance to make the interrupts single-CPU.
                 *
                 * We will support full lowest-priority interrupt later.
+                *
+                * In addition, we can only inject generic interrupts using
+                * the PI mechanism, refuse to route others through it.
                 */
 
                kvm_set_msi_irq(kvm, e, &irq);
-               if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu)) {
+               if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu) ||
+                   !kvm_irq_is_postable(&irq)) {
                        /*
                         * Make sure the IRTE is in remapped mode if
                         * we don't handle it in posted mode.