diff options
| -rw-r--r-- | virt/kvm/irq_comm.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index be8aba79155..c516d618d38 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -48,7 +48,7 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e, static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int level) { - int vcpu_id; + int vcpu_id, r = -1; struct kvm_vcpu *vcpu; struct kvm_ioapic *ioapic = ioapic_irqchip(kvm); int dest_id = (e->msi.address_lo & MSI_ADDR_DEST_ID_MASK) @@ -73,7 +73,7 @@ static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, vcpu = kvm_get_lowest_prio_vcpu(ioapic->kvm, vector, deliver_bitmask); if (vcpu != NULL) - kvm_apic_set_irq(vcpu, vector, trig_mode); + r = kvm_apic_set_irq(vcpu, vector, trig_mode); else printk(KERN_INFO "kvm: null lowest priority vcpu!\n"); break; @@ -83,14 +83,17 @@ static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, continue; deliver_bitmask &= ~(1 << vcpu_id); vcpu = ioapic->kvm->vcpus[vcpu_id]; - if (vcpu) - kvm_apic_set_irq(vcpu, vector, trig_mode); + if (vcpu) { + if (r < 0) + r = 0; + r += kvm_apic_set_irq(vcpu, vector, trig_mode); + } } break; default: break; } - return 1; + return r; } /* This should be called with the kvm->lock mutex held |