Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755398AbZD1VGU (ORCPT ); Tue, 28 Apr 2009 17:06:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753468AbZD1VGD (ORCPT ); Tue, 28 Apr 2009 17:06:03 -0400 Received: from gw1.cosmosbay.com ([212.99.114.194]:45116 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753277AbZD1VGB convert rfc822-to-8bit (ORCPT ); Tue, 28 Apr 2009 17:06:01 -0400 Message-ID: <49F76F6C.80005@cosmosbay.com> Date: Tue, 28 Apr 2009 23:04:44 +0200 From: Eric Dumazet User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: Christoph Lameter CC: linux kernel , Andi Kleen , David Miller , jesse.brandeburg@intel.com, netdev@vger.kernel.org, haoki@redhat.com, mchan@broadcom.com, davidel@xmailserver.org, Ingo Molnar Subject: Re: [PATCH] poll: Avoid extra wakeups in select/poll References: <49F3308B.1030507@cosmosbay.com> <20090426.020411.157511269.davem@davemloft.net> <49F43B8F.2050907@cosmosbay.com> <87ab60rh8t.fsf@basil.nowhere.org> <49F71B63.8010503@cosmosbay.com> <49F76174.6060009@cosmosbay.com> <49F767FD.2040205@cosmosbay.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.6 (gw1.cosmosbay.com [0.0.0.0]); Tue, 28 Apr 2009 23:04:45 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 722 Lines: 21 Christoph Lameter a ?crit : > On Tue, 28 Apr 2009, Eric Dumazet wrote: > >> The one that did improved your udpping 'bench' :) >> >> http://git2.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commitdiff;h=bf368e4e70cd4e0f880923c44e95a4273d725ab4 > > Well yes that is git2p1. The measurements that we took showed not much of > an effect as you see. > It depends of coalescing parameters of NIC. BNX2 interrupts first handle TX completions, then RX events. So If by the -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/