* Stephen Hemminger ([email protected]) wrote:
> On Mon, 21 Sep 2009 16:37:22 +0930
> Rusty Russell <[email protected]> wrote:
> 
> > > > Actually this framework can apply to traditional network adapters which 
> > > > have
> > > > just one tx/rx queue pair. And applications using the same user/kernel 
> > > > interface
> > > > can utilize this framework to send/receive network traffic directly 
> > > > thru a tx/rx
> > > > queue pair in a network adapter.
> > > > 
> 
> More importantly, when virtualizations is used with multi-queue NIC's the 
> virtio-net
> NIC is a single CPU bottleneck. The virtio-net NIC should preserve the 
> parallelism (lock
> free) using multiple receive/transmit queues. The number of queues should 
> equal the
> number of CPUs.

Yup, multiqueue virtio is on todo list ;-)

thanks,
-chris
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