On Mon, Apr 20, 2026 at 05:48:13PM -0700, Jorge Moreira wrote:
> While starting the vrings on SET_VRING_KICK could solve the state
> machine issue, it still won't notify the back-end that buffers are
> ready (the driver won't do this). Non-polling back-ends depend on this
> kick, especially for queues where data flows only from the driver to
> the back-end. Most implementations likely attempt to read from the
> queue only after receiving the kick.

This is an interesting question to clarify in the spec.

Stefan