On Fri, 2011-04-29 at 21:59 +0200, Ingo Molnar wrote:
> Also, do perhaps TX activity assume a wakeup for RX processing? Right now the 
> TX and RX threads are independent. So it would be nice to document how the 
> virtio protocol works.

So in

http://ozlabs.org/~rusty/virtio-spec/virtio-spec.pdf

check out

Section 2.4.1 Supplying Buffers to The Device

and

Section 2.4.2 Receiving Used Buffers From The Device

                        Pekka

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