netdev - Re: [PATCH v3 3/6] vbus: add a "vbus-proxy" bus model for vbus

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Date:	Mon, 17 Aug 2009 15:35:06 -0400
From:	Gregory Haskins <gregory.haskins@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Avi Kivity <avi@...hat.com>, Gregory Haskins <ghaskins@...ell.com>,
	kvm@...r.kernel.org, alacrityvm-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 3/6] vbus: add a "vbus-proxy" bus model for vbus_driver
 objects

Ingo Molnar wrote:
> * Gregory Haskins <gregory.haskins@...il.com> wrote:
> 
>> Avi Kivity wrote:
>>> On 08/17/2009 05:16 PM, Gregory Haskins wrote:
>>>>> My opinion is that this is a duplication of effort and we'd be better
>>>>> off if everyone contributed to enhancing virtio, which already has
>>>>> widely deployed guest drivers and non-Linux guest support.
>>>>>
>>>>> It may have merit if it is proven that it is technically superior to
>>>>> virtio (and I don't mean some benchmark in some point in time; I mean
>>>>> design wise).  So far I haven't seen any indications that it is.
>>>>>
>>>>>      
>>>> The design is very different, so hopefully I can start to convince you
>>>> why it might be interesting.
>>>>    
>>> We've been through this before I believe.  If you can point out 
>>> specific differences that make venet outperform virtio-net I'll 
>>> be glad to hear (and steal) them though.
>> You sure know how to convince someone to collaborate with you, eh?
>>
>> Unforunately, i've answered that question numerous times, but it 
>> apparently falls on deaf ears.
> 
> I'm trying to find the relevant discussion. The link you gave in the 
> previous mail:
> 
>   http://lkml.org/lkml/2009/4/21/408
> 
> does not offer any design analysis of vbus versus virtio, and why 
> the only fix to virtio is vbus. It offers a comparison and a blanket 
> statement that vbus is superior but no arguments.
> 
> (If you've already explained in a past thread then please give me an 
> URL to that reply if possible, or forward me that prior reply. 
> Thanks!)


Sorry, it was a series of long threads from quite a while back.  I will
see if I can find some references, but it might be easier to just start
fresh (see the last reply I sent).

Kind Regards,
-Greg


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