From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750997AbWDWJXX (ORCPT ); Sun, 23 Apr 2006 05:23:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751024AbWDWJXX (ORCPT ); Sun, 23 Apr 2006 05:23:23 -0400 Received: from fw5.argo.co.il ([194.90.79.130]:26636 "EHLO argo2k.argo.co.il") by vger.kernel.org with ESMTP id S1750987AbWDWJXW (ORCPT ); Sun, 23 Apr 2006 05:23:22 -0400 Message-ID: <444B4784.8040803@argo.co.il> Date: Sun, 23 Apr 2006 12:23:16 +0300 From: Avi Kivity User-Agent: Thunderbird 1.5 (X11/20060313) MIME-Version: 1.0 To: Ingo Oeser CC: =?ISO-8859-1?Q?J=F6rn_Engel?= , Ingo Oeser , "David S. Miller" , simlo@phys.au.dk, linux-kernel@vger.kernel.org, mingo@elte.hu, netdev@vger.kernel.org Subject: Re: Van Jacobson's net channels and real-time References: <200604211852.47335.netdev@axxeo.de> <20060422114846.GA6629@wohnheim.fh-wedel.de> <200604221529.59899.ioe-lkml@rameria.de> In-Reply-To: <200604221529.59899.ioe-lkml@rameria.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-OriginalArrivalTime: 23 Apr 2006 09:23:18.0711 (UTC) FILETIME=[8EC74470:01C666B7] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ingo Oeser wrote: > Hi Jörn, > > On Saturday, 22. April 2006 13:48, Jörn Engel wrote: > >> Unless I completely misunderstand something, one of the main points of >> the netchannels if to have *zero* fields written to by both producer >> and consumer. >> > > Hmm, for me the main point was to keep the complete processing > of a single packet within one CPU/Core where this is a non-issue. > But the interrupt for a packet can be received by cpu 0 whereas the rest of processing proceeds on cpu 1; so it still helps to keep the producer index and consumer index on separate cachelines. -- error compiling committee.c: too many arguments to function