On Tue, Apr 01, 2014 at 04:59:34AM +0000, Luohao (brian) wrote: > Now, VFIO hasn't been made generally supported by most enterprise > linux distributions, and as I know, the current pci passthrough > /SR-IOV implementation is still based on a historical approach. > > Probably we can consider the switch to VFIO framework in later releases. Actually, libvirt will automatically use VFIO if it is available on the host OS by default. This is the case with any recent Fedora and will thus be the case with forthcoming RHEL-7. So nova wouldn't have todo anything to enable use of VFIO - it is supposed to "just work" when available. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|