Re: [virtio-dev] Re: [PATCH v1] virtio-mmio: Specify wait needed in driver during reset

[Jason Wang <jasowang@redhat.com>]

在 2021/8/11 下午6:05, Srivatsa Vaddagiri 写道:
> * Jason Wang <jasowang@redhat.com> [2021-08-02 14:06:38]:
>
> > > Maybe if it sees status was not read it can just
> > > stay in reset state and not exit it?
> > Or I wonder we can use increase the version instead.
> What should be the guidance for backend/devices here? Go with version 3 only if
> it requires driver to poll on reset? Otherwise it may break existing setups -
> lets say Qemu is updated to report version 3 which will break older guest images
> that understood version 2 - this is despite the same Qemu being capable of
> serving those guests.


My understanding is that qemu should stick to version 2 since it works fine.

Thanks


> - vatsa
>
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