On Wed, 17 Jan 2018 14:44:34 +0100 Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote: > The new firmware interfaces for branch prediction behaviour changes > are transparently available for the guest. Nevertheless, there is > new state attached that should be migrated and properly resetted. > Provide a mechanism for handling reset, migration and VSIE. > > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > --- > v1->v2: - review feedback from David > - rename seb(c) into bpb(c) > arch/s390/include/asm/kvm_host.h | 3 ++- > arch/s390/include/uapi/asm/kvm.h | 5 ++++- > arch/s390/kvm/kvm-s390.c | 12 ++++++++++++ > arch/s390/kvm/vsie.c | 10 ++++++++++ > include/uapi/linux/kvm.h | 1 + > 5 files changed, 29 insertions(+), 2 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> But I'd like to see some documentation (a line) for the new cap under Documentation/. However, this can be done as a separate update (we might be missing more).