On Tue, Jan 21, 2020 at 02:12:05PM +0000, Jason Gunthorpe wrote: > On Mon, Jan 20, 2020 at 04:56:06PM -0500, Michael S. Tsirkin wrote: > > > For vfio? vfio is the only thing I am aware doing > > > that, and this is not vfio.. > > > > vfio is not doing anything. anyone can use a combination > > of unbind and driver_override to attach a driver to a device. > > > > It's not a great interface but it's there without any code, > > and it will stay there without maintainance overhead > > if we later add a nicer one. > > Well, it is not a great interface, and it is only really used in > normal cases by vfio. > > I don't think it is a good idea to design new subsystems with that > idea in mind, particularly since detatching the vdpa driver would not > trigger destruction of the underlying dynamic resource (ie the SF). > > We need a way to trigger that destruction.. > > Jason You wanted a netlink command for this, right? -- MST
