From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cornelia Huck Subject: Re: [PATCH v2] KVM: s390: wire up bpb feature Date: Thu, 18 Jan 2018 10:59:16 +0100 Message-ID: <20180118105916.68a1586c.cohuck@redhat.com> References: <1516182519-10623-6-git-send-email-schwidefsky@de.ibm.com> <20180117134434.48676-1-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, David Hildenbrand , Martin Schwidefsky , Heiko Carstens , Paolo Bonzini , Greg Kroah-Hartman , Jon Masters , Marcus Meissner , Jiri Kosina To: Christian Borntraeger Return-path: In-Reply-To: <20180117134434.48676-1-borntraeger@de.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Wed, 17 Jan 2018 14:44:34 +0100 Christian Borntraeger 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 > --- > 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 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).