On Mon, May 18, 2015 at 10:31:36AM -0700, Stephen Hemminger wrote: > Allow UIO device specific driver to provide ioctl interface. > This mechanism is used in DPDK uio_msi driver to allow creating > VFIO like events.
I can't find that driver anywhere in the kernel tree, and there is no point adding new hooks just for out of tree code that doesn't even get tested in tree.