netdev - Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33

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Date:	Tue, 22 Dec 2009 19:35:48 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Anthony Liguori <anthony@...emonkey.ws>,
	Gregory Haskins <gregory.haskins@...il.com>,
	Ingo Molnar <mingo@...e.hu>, kvm@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org,
	"alacrityvm-devel@...ts.sourceforge.net" 
	<alacrityvm-devel@...ts.sourceforge.net>
Subject: Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33

On 12/22/2009 07:33 PM, Andi Kleen wrote:
>> We're not talking about vaporware.  vhost-net exists.
>>      
> Is it as fast as the alacrityvm setup then e.g. for network traffic?
>
> Last I heard the first could do wirespeed 10Gbit/s on standard hardware.
>    

That was with zero-copy IIRC, which is known broken.  There's nothing 
alacrity-specific about zerocopy (and in fact the first zerocopy patches 
were from Rusty).

> Can vhost-net do the same thing?
>    

I've heard unofficial numbers which approach that, but let's wait for 
the official ones.

-- 
error compiling committee.c: too many arguments to function

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