Re: [Qemu-devel] Release plan for 0.12.0

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On Wed, Oct 14, 2009 at 03:09:28PM +0200, Arnd Bergmann wrote:
> On Thursday 08 October 2009, Anthony Liguori wrote:
> > Jens Osterkamp wrote:
> > > On Wednesday 30 September 2009, Anthony Liguori wrote:
> > >
> > >> Please add to this list and I'll collect it all and post it somewhere.
> > >>     
> > >
> > > What about Or Gerlitz' raw backend driver ? I did not see it go in yet, or did 
> > > I miss something ?
> > >   
> > 
> > The patch seems to have not been updated after the initial posting and 
> > the first feedback cycle.
> > 
> > I'm generally inclined to oppose the functionality as I don't think it 
> > offers any advantages over the existing backends.
> 
> There are two reasons why I think this backend is important:
> 
> - As an easy way to provide isolation between guests (private ethernet
>   port aggregator, PEPA) and external enforcement of network priviledges
>   (virtual ethernet port aggregator, VEPA) using the macvlan subsystem.
> 
> - As a counterpart to the vhost_net driver, providing an identical
>   user interface with or without vhost_net acceleration in the kernel.
> 
> 	Arnd <><

I think raw sockets also support RX mac/vlan filtering in kernel, which
might be faster than doing it in virtio in userspace as it's done now.

-- 
MST
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