From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cornelia Huck Subject: Re: [PATCH v10 03/26] KVM: s390: refactor crypto initialization Date: Mon, 24 Sep 2018 12:34:02 +0200 Message-ID: <20180924123402.51e231a7.cohuck@redhat.com> References: <1536781396-13601-1-git-send-email-akrowiak@linux.vnet.ibm.com> <1536781396-13601-4-git-send-email-akrowiak@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Tony Krowiak Cc: Tony Krowiak , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, freude@de.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, borntraeger@de.ibm.com, kwankhede@nvidia.com, bjsdjshi@linux.vnet.ibm.com, pbonzini@redhat.com, alex.williamson@redhat.com, pmorel@linux.vnet.ibm.com, alifm@linux.vnet.ibm.com, mjrosato@linux.vnet.ibm.com, jjherne@linux.vnet.ibm.com, thuth@redhat.com, pasic@linux.vnet.ibm.com, berrange@redhat.com, fiuczy@linux.vnet.ibm.com, buendgen@de.ibm.com, frankja@linux.ibm.com List-ID: On Fri, 21 Sep 2018 19:18:57 -0400 Tony Krowiak wrote: > On 09/12/2018 03:42 PM, Tony Krowiak wrote: > > From: Tony Krowiak > > > > This patch refactors the code that initializes and sets up the > > crypto configuration for a guest. The following changes are > > implemented via this patch: > > > > 1. Prior to the introduction of AP device virtualization, it > > was not necessary to provide guest access to the CRYCB > > unless the MSA extension 3 (MSAX3) facility was installed > > on the host system. With the introduction of AP device > > virtualization, the CRYCB must be made accessible to the > > guest if the AP instructions are installed on the host > > and are to be provided to the guest. > > > > 2. Introduces a flag indicating AP instructions executed on > > the guest shall be interpreted by the firmware. It is > > initialized to indicate AP instructions are to be > > to be interpreted and is used to set the SIE bit for > > each vcpu during vcpu setup. > > > > Signed-off-by: Tony Krowiak > > Reviewed-by: Halil Pasic > > Acked-by: Christian Borntraeger > > Acked-by: Janosch Frank > > Tested-by: Michael Mueller > > Tested-by: Farhan Ali > > Signed-off-by: Christian Borntraeger > > --- > > arch/s390/include/asm/kvm_host.h | 2 + > > arch/s390/include/uapi/asm/kvm.h | 1 + > > arch/s390/kvm/kvm-s390.c | 71 ++++++++++++++++++-------------------- > > 3 files changed, 37 insertions(+), 37 deletions(-) (...) > The fixup! patch below modifies this patch (03/26) to illustrate how > > David's recommendation will be implemented for v11 of the series. It > > is one of three fixup! patches (the other two are in responses to > 11/26 > and 25/26) included to generate discussion in v10 rather than > > waiting until v11 for comments. (...) Looks good to me.