On 16/09/2015 10:50, Feng Wu wrote: > + > + if (!irq_remapping_cap(IRQ_POSTING_CAP) || > + (!kvm_arch_has_assigned_device(vcpu->kvm))) > + return; > + Better: if (!arch_has_assigned_device(vcpu->kvm)) || !irq_remapping_cap(IRQ_POSTING_CAP)) return; (In the future we might add a static_key here). Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html