Re: [libvirt] [PATCH] RFC: qemu: add spice/virgl rendernode

Hi ----- Original Message ----- > On Mon, Feb 13, 2017 at 03:51:48PM +0400, marcandre.lureau(a)redhat.com wrote: > > From: Marc-André Lureau <marcandre.lureau(a)redhat.com&gt; > > > > I am working on a WIP series to add QEMU Spice/virgl rendernode option. > > Since rendernodes are not stable across reboots, I propose that QEMU > > accepts also a PCI address (other bus types may be added in the future). > > Hmm, can you elaborate on this aspect ? It feels like a parallel > to saying NIC device names are not stable, so we should configure > guests using PCI addresses instead of 'eth0', etc but we stuck with > using NIC names in libvirt on the basis that you can create udev > rules to ensure stable naming ? > > So is there not a case to be made that if you want stable render > device names when multiple NICs are present, then you should use > udev to ensure a given device always maps to the same PCI dev. I thought it was simpler to use a PCI address (do you expect users to create udev rules for the GPUs?)