On Mon, Nov 06, 2023 at 02:38:54 -0500, Laine Stump wrote: > The long-deprecated use of <driver name='vfio|xen|kvm'/> in domain xml > for <hostdev> devices was only ever necessary during the period when > libvirt (and the Linux kernel) supported both VFIO and "legacy KVM" > styles of hostdev device assignment for QEMU. This became pointless > many years ago when legacy KVM device assignment was removed from the > kernel, and support for that style of device assignment was completely > disabled in the libvirt source in 2019 (commit > v5.6.0-316-g2e7225ea8c). > > Nevertheless, there were instances of <driver name='vfio'/> in the > unit test data that were then (unnecessarily) propagated to several > more tests over the years. This patch cleans out those unnecessary > explicit settings of driver name='vfio' in all QEMU unit test data, > proving that the attribute is no longer (externally) needed while also > making it simpler to properly test when a later patch "re-animates" > the driver name attribute for a slightly different (but related) use. > > Signed-off-by: Laine Stump <laine@xxxxxxxxxx> > --- Few issues: 1) There are few bits with domain XML bits that seem to mention it: tests/qemuhotplugtestdevices/qemuhotplug-hostdev-pci.xml: <driver name='vfio'/> tests/qemuhotplugtestdomains/qemuhotplug-base-live+hostdev-pci.xml: <driver name='vfio'/> tests/qemuhotplugtestdomains/qemuhotplug-pseries-base-live+hostdev-pci.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pc-hardlimit+hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pc-hardlimit+locked+hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pc-hostdev-nvme.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pc-hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pc-locked+hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pseries-hardlimit+hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pseries-hardlimit+locked+hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pseries-hostdev.xml: <driver name='vfio'/> tests/qemumemlockdata/qemumemlock-pseries-locked+hostdev.xml: <driver name='vfio'/> tests/qemustatusxml2xmldata/modern-in.xml: <driver name='vfio'/> 2) There's documentation that seems to mention it: docs/formatdomain.rst: <driver name='vfio'/> docs/formatnetwork.rst: <driver name='vfio'/> docs/formatnetworkport.rst: <driver name='vfio'/> docs/pci-addresses.rst: <driver name='vfio'/> 3) You are not leaving any example with the existing syntax. To prevent regression, either keep some in or create a specific new test case to cover this now-corner-case. With at least 2 & 3 addressed: Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx> _______________________________________________ Devel mailing list -- devel@xxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxx
