2016-08-30 0:39 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>: > > > On 29/08/2016 12:22, Wanpeng Li wrote: >>>> >> patches which will update gsi routing after changed MSI-X >>>> >> configuration(https://patchwork.kernel.org/patch/6827431/) >>>> >> , so why set MSI routing entry again during send MSI? >>> > >>> > KVM_SIGNAL_MSI does not need a previous KVM_SET_GSI_ROUTING, but if >>> > userspace wants it can use both. Note that you've linked a patch for >>> > lkvm, not Linux or QEMU. >> Do you mean that MSI/MSI-X don't necessary have a routing table? > > Generally it's not if you don't use irqfd. Thanks for pointing out. :) Regards, Wanpeng Li -- 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