Merge tag 'vfio-ccw-20181001' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into fixes

Pull vfio-ccw from Cornelia Huck with the following changes:

 - Change allocation of ccw_io_region so that the usercopy hardening
   code can figure out that everything is fine.