Re: [RFC PATCH 00/17] virtual-bus

[Herbert Xu]

On Fri, Apr 03, 2009 at 02:46:04PM +0300, Avi Kivity wrote:
>
> The host writes the packet to tap, at which point it is consumed from  
> its point of view.  The host would like to mention that if there was an  
> API to notify it when the packet was actually consumed, then it would  
> gladly use it.  Bonus points if this involves not copying the packet.

We're using write(2) for this, no? That should invoke netif_rx_ni
which blocks until the packet is "processed", which usually means
that it's placed on the NIC's hardware queue.

Cheers,
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