On Wed, 4 Sep 2019 09:13:08 +0200 Thomas Huth <thuth@xxxxxxxxxx> wrote: > If unknown bits are set in kvm_valid_regs or kvm_dirty_regs, this > clearly indicates that something went wrong in the KVM userspace > application. The x86 variant of KVM already contains a check for > bad bits (and the corresponding kselftest checks this), so let's > do the same on s390x now, too. > > Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx> > --- > arch/s390/include/uapi/asm/kvm.h | 6 ++++ > arch/s390/kvm/kvm-s390.c | 4 +++ > .../selftests/kvm/s390x/sync_regs_test.c | 30 +++++++++++++++++++ > 3 files changed, 40 insertions(+) With splitting out the selftest, Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
