[v3,0/1] s390: virtio: let arch choose to accept devices without IOMMU feature

Message

Pierre Morel June 17, 2020, 10:43 a.m. UTC

An architecture protecting the guest memory against unauthorized host
access may want to enforce VIRTIO I/O device protection through the
use of VIRTIO_F_IOMMU_PLATFORM.

Let's give a chance to the architecture to accept or not devices
without VIRTIO_F_IOMMU_PLATFORM.

Pierre Morel (1):
  s390: virtio: let arch accept devices without IOMMU feature

 arch/s390/mm/init.c     |  6 ++++++
 drivers/virtio/virtio.c | 22 ++++++++++++++++++++++
 include/linux/virtio.h  |  2 ++
 3 files changed, 30 insertions(+)