kvm_irq_delivery_to_apic
ret = kvm_irq_delivery_to_apic(vcpu->kvm, vcpu->arch.apic, &irq);
ret = kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe);
return kvm_irq_delivery_to_apic(kvm, NULL, &irq);
kvm_irq_delivery_to_apic(apic->vcpu->kvm, apic, &irq);
kvm_irq_delivery_to_apic(kvm, NULL, &lapic_irq);
kvm_irq_delivery_to_apic(v->kvm, NULL, &irq);