From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33 Date: Tue, 22 Dec 2009 19:35:48 +0200 Message-ID: <4B310374.6060109@redhat.com> References: <4B2F9C85.7070202@gmail.com> <4B2FA42F.3070408@codemonkey.ws> <4B2FA655.6030205@gmail.com> <4B2FAE7B.9030005@codemonkey.ws> <4B2FB3F1.5080808@gmail.com> <4B300EF8.8010602@codemonkey.ws> <87637zdy9g.fsf@basil.nowhere.org> <4B30E654.40702@codemonkey.ws> <20091222162110.GG10314@basil.fritz.box> <4B30F375.6050103@codemonkey.ws> <20091222173326.GH10314@basil.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Anthony Liguori , Gregory Haskins , Ingo Molnar , kvm@vger.kernel.org, Andrew Morton , torvalds@linux-foundation.org, "linux-kernel@vger.kernel.org" , netdev@vger.kernel.org, "alacrityvm-devel@lists.sourceforge.net" To: Andi Kleen Return-path: In-Reply-To: <20091222173326.GH10314@basil.fritz.box> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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