On Thu, Jun 02, 2022 at 07:19:31PM +0200, Eric Farman wrote: > From: Michael Kawano <mkawano@xxxxxxxxxxxxx> > > As vfio-ccw devices are created/destroyed, the uuid of the associated > mdevs that are recorded in $S390DBF/vfio_ccw_msg/sprintf get lost as > they are created using pointers passed by reference. > > This is a deliberate design point of s390dbf, but it leaves the uuid > in these traces less than useful. Since the subchannels are more > constant, and are mapped 1:1 with the mdevs, the associated mdev can > be discerned by looking at the device configuration (e.g., mdevctl) > and places, such as kernel messages, where it is statically stored. I don't quite understand these two paragraphs, but the change looks OK Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason