From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: OFT - reserving CPU's for networking Date: Sat, 01 May 2010 16:29:49 -0700 (PDT) Message-ID: <20100501.162949.163246592.davem@davemloft.net> References: <20100501105304.GA9434@gargoyle.fritz.box> <20100501.150338.93457735.davem@davemloft.net> <20100501225815.GA8074@gargoyle.fritz.box> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: tglx@linutronix.de, shemminger@vyatta.com, eric.dumazet@gmail.com, netdev@vger.kernel.org, peterz@infradead.org To: andi@firstfloor.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:56997 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752502Ab0EAX3o (ORCPT ); Sat, 1 May 2010 19:29:44 -0400 In-Reply-To: <20100501225815.GA8074@gargoyle.fritz.box> Sender: netdev-owner@vger.kernel.org List-ID: From: Andi Kleen Date: Sun, 2 May 2010 00:58:15 +0200 >> We're tracking flow cpu location state at the socket operations, like >> recvmsg() and sendmsg(), where it belongs. >> >> Would you like us to call into the card drivers and firmware at these >> spots instead? > > No, that's not needed for lazy flow tracking like in netfilter or > some NICs, it doesn't need exact updates. It just works with seen network > packets. Well what we need is exact flow updates so that we steer packets to where the applications actually are. Andi, this discussion is going in circles, can I just say "yeah you're right Andi" and this will satisfy your desire to be correct and we can be done with this? Thanks.