On Thu, Oct 06, 2016 at 10:00:39AM -0400, Laine Stump wrote: > * <controller type='usb' model='blah'> x 4 - a set of USB2 > controllers. This will turn into a single USB3 controller on a > root-port after my patches. Alternately, since it seems you don't > use it, you could eliminate it with: Yup, this is auto-added, and a mistake. I have sent a patch upstream adding: > <controller type='usb' model='none'/> > <memballoon model='none'/> ... > 1) virtio-scsi controller > 2) virtio-serial controller > > and nothing else. Manually address those two to be on bus 0 > (pcie-root), and (with my patches) you've reduced your PCI > device+controller count from the current 10 down to 3 (including the > sata controller). Interesting. Is there any particular reason why we should or should not use explicit PCI addresses for the remaining devices? What would you recommend we do? Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-builder quickly builds VMs from scratch http://libguestfs.org/virt-builder.1.html -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list