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Re: [PATCH v1 7/7] xen_arm: Add basic virtio-pci support
- To: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
- From: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Date: Mon, 13 Nov 2023 12:01:17 +0000
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- Cc: "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>, Oleksandr Tyshchenko <Oleksandr_Tyshchenko@xxxxxxxx>, Peter Maydell <peter.maydell@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, "open list:ARM TCG CPUs" <qemu-arm@xxxxxxxxxx>, "open list:X86 Xen CPUs" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 13 Nov 2023 12:01:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHaFBZpa05Dc66DRUqpQfiy75awpbB3Qk0AgADZWAA=
- Thread-topic: [PATCH v1 7/7] xen_arm: Add basic virtio-pci support
Hi David,
David Woodhouse <dwmw2@xxxxxxxxxxxxx> writes:
> [[S/MIME Signed Part:Undecided]]
> On Fri, 2023-11-10 at 20:42 +0000, Volodymyr Babchuk wrote:
>> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
>>
>> This patch adds basic virtio-pci support for xen_arm machine.
>
> Why only xen_arm? Couldn't this be a fairly generic device which can be
> instantiated on x86 too, both for real and emulated Xen guests? And
> riscv/ppc too?
This is the architecture-specific code. Actually, from QEMU point of
view, this code just adds a virtual PCI bridge. For example, on x86 this
is done in a some other way, so they already have virtio-pci working.
--
WBR, Volodymyr
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