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

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 22 Jun 2022, Juergen Gross wrote:
> 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


On the whole series:

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


>  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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