[PATCH v3 0/3] virtio: support requiring restricted access per device

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Instead of an all or nothing approach add support for requiring
restricted memory access per device.

Changes in V3:
- new patches 1 + 2
- basically complete rework of patch 3

Juergen Gross (3):
  virtio: replace restricted mem access flag with callback
  kernel: remove platform_has() infrastructure
  xen: don't require virtio with grants for non-PV guests

 MAINTAINERS                            |  8 --------
 arch/arm/xen/enlighten.c               |  4 +++-
 arch/s390/mm/init.c                    |  4 ++--
 arch/x86/mm/mem_encrypt_amd.c          |  4 ++--
 arch/x86/xen/enlighten_hvm.c           |  4 +++-
 arch/x86/xen/enlighten_pv.c            |  5 ++++-
 drivers/virtio/Kconfig                 |  4 ++++
 drivers/virtio/Makefile                |  1 +
 drivers/virtio/virtio.c                |  4 ++--
 drivers/virtio/virtio_anchor.c         | 18 +++++++++++++++++
 drivers/xen/Kconfig                    |  9 +++++++++
 drivers/xen/grant-dma-ops.c            | 10 ++++++++++
 include/asm-generic/Kbuild             |  1 -
 include/asm-generic/platform-feature.h |  8 --------
 include/linux/platform-feature.h       | 19 ------------------
 include/linux/virtio_anchor.h          | 19 ++++++++++++++++++
 include/xen/xen-ops.h                  |  6 ++++++
 include/xen/xen.h                      |  8 --------
 kernel/Makefile                        |  2 +-
 kernel/platform-feature.c              | 27 --------------------------
 20 files changed, 84 insertions(+), 81 deletions(-)
 create mode 100644 drivers/virtio/virtio_anchor.c
 delete mode 100644 include/asm-generic/platform-feature.h
 delete mode 100644 include/linux/platform-feature.h
 create mode 100644 include/linux/virtio_anchor.h
 delete mode 100644 kernel/platform-feature.c

-- 
2.35.3




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