Quoting Eric Farman (2022-11-09 21:21:57) > The CCW data address created by vfio-ccw is that of an IDAL > built by this code. Since this address is used by real hardware, > it should be a physical address rather than a virtual one. > Let's clarify it as such in the ORB. > > Similarly, once the I/O has completed the memory for that IDAL > needs to be released, so convert the CCW data address back to > a virtual address so that kfree() can process it. > > Note: this currently doesn't fix a real bug, since virtual > addresses are identical to physical ones. > > Signed-off-by: Eric Farman <farman@xxxxxxxxxxxxx> > Reviewed-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> Reviewed-by: Nico Boehr <nrb@xxxxxxxxxxxxx>