Thanks Jason, On Fri, 4 Dec 2015 16:49:23 +0800 Jason Wang <jasow...@redhat.com> wrote: > > @@ -18,6 +18,10 @@ > > .driver = "virtio-pci",\ > > .property = "migrate-extra",\ > > .value = "off",\ > > + },{\ > > + .driver = "vmxnet3",\ > > + .property = "x-old-msi-offsets",\ > > + .value = "on",\ > > }, > > To have a better bisection behavior, we'd better enable this and compat > it in patch 2.
Did you mean the following: #1 Introduce the new functionality with its 'x-old-msi-offsets' property, with the property set to true by default #2 Change 'x-old-msi-offsets' default value to false, and introduce the above compat Regards, Shmulik