On Mon, 3 Feb 2020 08:19:47 -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. > > Also we disable set/get one reg for the same reason. It's an old > interface anyway. Didn't you already do that in the previous patch? > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > [Fixes and patch splitting] > --- > arch/s390/kvm/kvm-s390.c | 116 ++++++++++++++++++++++++--------------- > 1 file changed, 72 insertions(+), 44 deletions(-)
