Merge tag 'vfio-ccw-20191111' of https://git.kernel.org/pub/scm/linux/kernel/git...

enhance tracing in vfio-ccw

* tag 'vfio-ccw-20191111' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw:
  vfio-ccw: Rework the io_fctl trace
  vfio-ccw: Add a trace for asynchronous requests
  vfio-ccw: Trace the FSM jumptable
  vfio-ccw: Refactor how the traces are built

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>