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Date:   Tue, 28 Jun 2022 17:58:17 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@kernel.org>
To:     Juergen Gross <jgross@suse.com>
cc:     xen-devel@lists.xenproject.org, x86@kernel.org,
        linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
        virtualization@lists.linux-foundation.org,
        linux-arch@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Alexander Gordeev <agordeev@linux.ibm.com>,
        Christian Borntraeger <borntraeger@linux.ibm.com>,
        Sven Schnelle <svens@linux.ibm.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Russell King <linux@armlinux.org.uk>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 0/3] virtio: support requiring restricted access per
 device
In-Reply-To: <20220622063838.8854-1-jgross@suse.com>
Message-ID: <alpine.DEB.2.22.394.2206281758050.4389@ubuntu-linux-20-04-desktop>
References: <20220622063838.8854-1-jgross@suse.com>
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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@kernel.org>


>  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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