linux-kernel - Re: [PATCHv2 0/2] vhost: a kernel-level virtio server

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Message-ID: <4A82C8F1.4030703@gmail.com>
Date:	Wed, 12 Aug 2009 09:51:45 -0400
From:	Gregory Haskins <gregory.haskins@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	"Michael S. Tsirkin" <mst@...hat.com>, netdev@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>, hpa@...or.com,
	Patrick Mullaney <pmullaney@...ell.com>
Subject: Re: [PATCHv2 0/2] vhost: a kernel-level virtio server

Arnd Bergmann wrote:
> On Wednesday 12 August 2009, Michael S. Tsirkin wrote:
>>> If I understand it correctly, you can at least connect a veth pair
>>> to a bridge, right? Something like
>>>
>>>            veth0 - veth1 - vhost - guest 1 
>>> eth0 - br0-|
>>>            veth2 - veth3 - vhost - guest 2
>>>            
>> Heh, you don't need a bridge in this picture:
>>
>> guest 1 - vhost - veth0 - veth1 - vhost guest 2
> 
> Sure, but the setup I described is the one that I would expect
> to see in practice because it gives you external connectivity.
> 
> Measuring two guests communicating over a veth pair is
> interesting for finding the bottlenecks, but of little
> practical relevance.
> 
> 	Arnd <><

Yeah, this would be the config I would be interested in.

Regards,
-Greg


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