On Sat, Jan 5, 2019 at 9:58 AM Pekka Enberg <[email protected]> wrote:

>
>
> On Sat, Jan 5, 2019 at 9:43 AM Waldek Kozaczuk <[email protected]>
> wrote:
>
>> Indeed I have come across some incompatibility issues. Mostly around
>> configuration but nothing very fundamental. You can see in some of my
>> comments.
>>
>
> Right, I missed the comments because the diff is somewhat large. ;-)
>
> I would suggest to do Firecracker support in the following (largely
> independent) steps:
>
> - Add support for modern virtio interfaces. Linux has a split driver base
> model here, which we could also follow. I.e., have separate VirtioModern
> and VirtioLegacy base classes that encapsulate the differences.
>

Btw, this can be also tested with QEMU by passing the "disable-modern=off"
and "disable-legacy=on" options to the "-device" option that defines the
virtio devices.

- Pekka

>

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