On Wed, Dec 18, 2013 at 01:56:32PM -0700, Alex Williamson wrote: > VFIO currently allocates it's own dynamic chardev range, reserving the > first minor for the control part of the interface (/dev/vfio/vfio) and > the remainder for VFIO groups (/dev/vfio/$GROUP). This works, but it > doesn't support auto loading. For instance when libvirt checks for > VFIO support it looks for /dev/vfio/vfio, which currently doesn't > exist unless the vfio module is loaded. By converting the control > device to a misc driver and reserving a static minor, we can enable > auto loading. > > Reserving the minor is a prerequist to that conversion. Minor 196 > is unused by anything currently in the kernel. > > Suggested-by: Paolo Bonzini <[email protected]> > Signed-off-by: Alex Williamson <[email protected]> > --- > > v2: Plea for ack edition > > As Alan suspected, there's been no response from [email protected], > so there's probably nobody monitoring it anymore. I've done due > diligence looking at all the callers of misc_register() in linux-next > and cannot find any conflicts with minor 196. If anyone wants to toss > me an ack or sign-off I'll be happy to bring this in through my vfio > tree, otherwise I'd appreciate if someone wants to take it directly. > Thanks! > > Documentation/devices.txt | 1 + > include/linux/miscdevice.h | 1 + > 2 files changed, 2 insertions(+)
Acked-by: Greg Kroah-Hartman <[email protected]> Feel free to take this through your tree. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
