On Mon, Oct 03, 2016 at 03:02:38PM +0200, Peter Krempa wrote: > On Mon, Oct 03, 2016 at 13:41:13 +0100, Daniel Berrange wrote: > > The intel-iommu device has existed since QEMU 2.2.0, but > > it was only possible to create it with -device since > > QEMU 2.7.0, thanks to: > > > > commit 621d983a1f9051f4cfc3f402569b46b77d8449fc > > Author: Marcel Apfelbaum <marcel@xxxxxxxxxx> > > Date: Mon Jun 27 18:38:34 2016 +0300 > > > > hw/iommu: enable iommu with -device > > > > Use the standard '-device intel-iommu' to create the IOMMU device. > > The legacy '-machine,iommu=on' can still be used. > > > > The libvirt capability check & command line formatting code > > is thus broken for all QEMU versions 2.2.0 -> 2.6.0 inclusive. > > > > This fixes it to use iommu=on instead. > > > > Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx> > > --- > > Is there any value to make it work with older versions rather than just > clearing it completely on the versions that don't support it with > -device? Err that's what this change does Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://entangle-photo.org -o- http://search.cpan.org/~danberr/ :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list