On Mon, 24 Feb 2020 06:40:56 -0500 Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote: > From: Janosch Frank <frankja@xxxxxxxxxxxxx> > > A lot of the registers are controlled by the Ultravisor and never > visible to KVM. Also some registers are overlayed, like gbea is with > sidad, which might leak data to userspace. > > Hence we sync a minimal set of registers for both SIE formats and then > check and sync format 2 registers if necessary. > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing] > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > --- > arch/s390/kvm/kvm-s390.c | 110 +++++++++++++++++++++++++-------------- > 1 file changed, 70 insertions(+), 40 deletions(-) > Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
