From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre Morel Subject: [PATCH v4 0/2] s390: virtio: let arch validate VIRTIO features Date: Tue, 7 Jul 2020 10:44:35 +0200 Message-ID: <1594111477-15401-1-git-send-email-pmorel@linux.ibm.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: pasic@linux.ibm.com, borntraeger@de.ibm.com, frankja@linux.ibm.com, mst@redhat.com, jasowang@redhat.com, cohuck@redhat.com, kvm@vger.kernel.org, linux-s390@vger.kernel.org, virtualization@lists.linux-foundation.org, thomas.lendacky@amd.com, david@gibson.dropbear.id.au, linuxram@us.ibm.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com List-Id: virtualization@lists.linuxfoundation.org Hi all, I changed the patch subject to reflect the content, becoming more general. 1) I removed the ack from Christian and Jason even far as I understand they gave it for the functionality more than for the implementation. @Jason, @Christian, please can I get back your acked-by with these changes? 2) previous patch had another name: [PATCH v3 0/1] s390: virtio: let arch choose to accept devices without IOMMU feature id: Message-Id: <1592390637-17441-2-git-send-email-pmorel@linux.ibm.com> 3) The new version generalize the validation of the features by the architecture, making it not IOMMU_PLATFORM specific anymore inside virtio.c The architecture specific code for s390 is now testing the virtio features. 4) Since I reworked the patch I also moved the arch specific code from arch/s390/mm/init.c to arch/s390/kernel/to uv.c 5) Finaly, I splitted the patch into generic virtio and arch specific code. Regards, Pierre Pierre Morel (2): virtio: let arch validate VIRTIO features s390: virtio: PV needs VIRTIO I/O device protection arch/s390/kernel/uv.c | 25 +++++++++++++++++++++++++ drivers/virtio/virtio.c | 19 +++++++++++++++++++ include/linux/virtio_config.h | 1 + 3 files changed, 45 insertions(+) -- 2.25.1 Changelog to v4: - separate virtio and arch code (Pierre) - moved code from arch/s390/mm/init.c to arch/s390/kernel/uv.c (Heiko) - moved validation inside the arch code (Connie) - moved the call to arch validation before VIRTIO_F_1 test (Michael) to v3: - add warning (Connie, Christian) - add comment (Connie) - change hook name (Halil, Connie) to v2: - put the test in virtio_finalize_features() (Connie) - put the test inside VIRTIO core (Jason) - pass a virtio device as parameter (Halil)