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From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [Qemu-devel] [PATCH] virtio-net: Remove RX_EXTRA feature
Date: Tue, 16 Jun 2009 12:49:24 +0930
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To: Alex Williamson <alex.williamson@hp.com>
Cc: markmc@redhat.com, qemu-devel@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>

On Tue, 16 Jun 2009 12:15:44 am Alex Williamson wrote:
> On Mon, 2009-06-15 at 14:48 +0930, Rusty Russell wrote:
> >  It's hard to see
> > the use case where this feature offers significant advantages over
> > promisc.  Without that, I'd wait until someone reports a need.
>
> Thanks for clarifying, a need has been reported.  DMX is a proprietary
> OS that intends to run on KVM and make use of virtio-net.  They would
> like to be able to toggle unicast and multicast independently as well as
> mask broadcast traffic.  The original series re-arranged some of the
> filter code in the virtio-net backend that allows these filter options
> to drop out nicely.

That's sufficient for me.

Could you re-send feature-based patches if you're happy?
Rusty.