On Mon, 24 Feb 2020 06:40:37 -0500 Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote: > From: Vasily Gorbik <gor@xxxxxxxxxxxxx> > > Add exceptions handlers performing transparent transition of non-secure > pages to secure (import) upon guest access and secure pages to > non-secure (export) upon hypervisor access. > > Acked-by: David Hildenbrand <david@xxxxxxxxxx> > Signed-off-by: Vasily Gorbik <gor@xxxxxxxxxxxxx> > [frankja@xxxxxxxxxxxxx: adding checks for failures] > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > [imbrenda@xxxxxxxxxxxxx: adding a check for gmap fault] > Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing] > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > --- > arch/s390/kernel/pgm_check.S | 4 +- > arch/s390/mm/fault.c | 78 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 80 insertions(+), 2 deletions(-) Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>