Re: [PATCH v2] KVM: s390: wire up bpb feature

[Cornelia Huck]

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).