Re: [PATCH net] virtio-net: reject small vring sizes

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On Sun, Apr 23, 2023 at 08:01:35AM +0000, Alvaro Karsz wrote:
> We could add a new virtio_config_ops: peek_vqs.
> We can call it during virtnet_validate, and then fixup the features in case of small vrings.
> If peek_vqs is not implemented by the transport, we can just fail probe later in case of small vrings.

Nope, we can't. Driver is not supposed to discover vqs before
FEATURES_OK, the vq size might depend on features.

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