From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Oleksandr <olekstysh@gmail.com>,
xen-devel@lists.xenproject.org, x86@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Julien Grall <julien@xen.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH V3 4/8] xen/virtio: Enable restricted memory access using Xen grant mappings
Date: Thu, 2 Jun 2022 15:09:00 -0400 [thread overview]
Message-ID: <3f067ced-8fe3-2e4a-79bb-909b8636db17@oracle.com> (raw)
In-Reply-To: <c2ae069d-ec95-50ea-1789-b2a667d6fb4c@gmail.com>
On 6/2/22 8:49 AM, Oleksandr wrote:
>
> On 31.05.22 00:00, Oleksandr Tyshchenko wrote:
>
> Hello all.
>
>> From: Juergen Gross <jgross@suse.com>
>>
>> In order to support virtio in Xen guests add a config option XEN_VIRTIO
>> enabling the user to specify whether in all Xen guests virtio should
>> be able to access memory via Xen grant mappings only on the host side.
>>
>> Also set PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS feature from the guest
>> initialization code on Arm and x86 if CONFIG_XEN_VIRTIO is enabled.
>>
>> Signed-off-by: Juergen Gross <jgross@suse.com>
>> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
>> ---
>> Changes V1 -> V2:
>> - new patch, split required changes from commit:
>> "[PATCH V1 3/6] xen/virtio: Add option to restrict memory access under Xen"
>> - rework according to new platform_has() infrastructure
>>
>> Changes V2 -> V3:
>> - add Stefano's R-b
>
> May I please ask for the ack or comments for x86 side here?
>
>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
WARNING: multiple messages have this Message-ID (diff)
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Oleksandr <olekstysh@gmail.com>,
xen-devel@lists.xenproject.org, x86@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Julien Grall <julien@xen.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH V3 4/8] xen/virtio: Enable restricted memory access using Xen grant mappings
Date: Thu, 2 Jun 2022 15:09:00 -0400 [thread overview]
Message-ID: <3f067ced-8fe3-2e4a-79bb-909b8636db17@oracle.com> (raw)
In-Reply-To: <c2ae069d-ec95-50ea-1789-b2a667d6fb4c@gmail.com>
On 6/2/22 8:49 AM, Oleksandr wrote:
>
> On 31.05.22 00:00, Oleksandr Tyshchenko wrote:
>
> Hello all.
>
>> From: Juergen Gross <jgross@suse.com>
>>
>> In order to support virtio in Xen guests add a config option XEN_VIRTIO
>> enabling the user to specify whether in all Xen guests virtio should
>> be able to access memory via Xen grant mappings only on the host side.
>>
>> Also set PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS feature from the guest
>> initialization code on Arm and x86 if CONFIG_XEN_VIRTIO is enabled.
>>
>> Signed-off-by: Juergen Gross <jgross@suse.com>
>> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
>> ---
>> Changes V1 -> V2:
>> - new patch, split required changes from commit:
>> "[PATCH V1 3/6] xen/virtio: Add option to restrict memory access under Xen"
>> - rework according to new platform_has() infrastructure
>>
>> Changes V2 -> V3:
>> - add Stefano's R-b
>
> May I please ask for the ack or comments for x86 side here?
>
>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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next prev parent reply other threads:[~2022-06-02 19:10 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-30 21:00 [PATCH V3 0/8] virtio: Solution to restrict memory access under Xen using xen-grant DMA-mapping layer Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-05-30 21:00 ` [PATCH V3 1/8] arm/xen: Introduce xen_setup_dma_ops() Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-05-30 21:00 ` [PATCH V3 2/8] xen/grants: support allocating consecutive grants Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-05-30 21:00 ` [PATCH V3 3/8] xen/grant-dma-ops: Add option to restrict memory access under Xen Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-06-01 0:19 ` Stefano Stabellini
2022-06-01 0:19 ` Stefano Stabellini
2022-05-30 21:00 ` [PATCH V3 4/8] xen/virtio: Enable restricted memory access using Xen grant mappings Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-06-02 12:49 ` Oleksandr
2022-06-02 12:49 ` Oleksandr
2022-06-02 19:09 ` Boris Ostrovsky [this message]
2022-06-02 19:09 ` Boris Ostrovsky
2022-05-30 21:00 ` [PATCH V3 5/8] dt-bindings: Add xen, grant-dma IOMMU description for xen-grant DMA ops Oleksandr Tyshchenko
2022-05-30 21:00 ` [PATCH V3 5/8] dt-bindings: Add xen,grant-dma " Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-05-31 11:52 ` Krzysztof Kozlowski
2022-05-31 11:52 ` Krzysztof Kozlowski
2022-05-31 11:52 ` Krzysztof Kozlowski
2022-05-31 17:09 ` Oleksandr
2022-05-31 17:09 ` Oleksandr
2022-05-31 17:09 ` Oleksandr
2022-06-01 0:34 ` Stefano Stabellini
2022-06-01 0:34 ` Stefano Stabellini
2022-06-01 0:34 ` Stefano Stabellini
2022-06-01 13:32 ` Oleksandr
2022-06-01 13:32 ` Oleksandr
2022-06-01 13:32 ` Oleksandr
2022-05-30 21:00 ` [PATCH V3 6/8] xen/grant-dma-iommu: Introduce stub IOMMU driver Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-06-01 0:38 ` Stefano Stabellini
2022-06-01 0:38 ` Stefano Stabellini
2022-05-30 21:00 ` [PATCH V3 7/8] xen/grant-dma-ops: Retrieve the ID of backend's domain for DT devices Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
2022-06-01 0:53 ` Stefano Stabellini
2022-06-01 0:53 ` Stefano Stabellini
2022-05-30 21:00 ` [PATCH V3 8/8] arm/xen: Assign xen-grant DMA ops for xen-grant DMA devices Oleksandr Tyshchenko
2022-05-30 21:00 ` Oleksandr Tyshchenko
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