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SubjectRe: [PATCH v3 3/6] vbus: add a "vbus-proxy" bus model for vbus_driver objects
>>> On 8/19/2009 at  3:13 AM, in message <4A8BA635.9010902@redhat.com>, Avi Kivity
<avi@redhat.com> wrote:
> On 08/19/2009 09:40 AM, Gregory Haskins wrote:
>>
>>
>>>> So if I whip up a virtio-net backend for vbus with a PCI compliant
>>>> connector, you are happy?
>>>>
>>>>
>>> This doesn't improve virtio-net in any way.
>>>
>> Any why not? (Did you notice I said "PCI compliant", i.e. over virtio-pci)
>>
>
> Because virtio-net will have gained nothing that it didn't have before.

??

*) ABI is virtio-pci compatible, as you like
*) fast-path is in-kernel, as we all like
*) model is in vbus so it would work in all environments that vbus supports.

>
>
>
>
>>> virtio already supports this model; see lguest and s390. Transporting
>>> virtio over vbus and vbus over something else doesn't gain anything over
>>> directly transporting virtio over that something else.
>>>
>> This is not what I am advocating.
>>
>>
>
> What are you advocating? As far as I can tell your virtio-vbus
> connector plus the vbus-kvm connector is just that.

I wouldn't classify it anything like that, no. Its just virtio over vbus.

-Greg







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