From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [NET-NEXT PATCH 1/2] igb: defeature tx head writeback Date: Fri, 26 Dec 2008 01:33:41 -0800 (PST) Message-ID: <20081226.013341.00134891.davem@davemloft.net> References: <20081224223142.12176.9916.stgit@lost.foo-projects.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jeff@garzik.org, alexander.h.duyck@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:60030 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753395AbYLZJdi (ORCPT ); Fri, 26 Dec 2008 04:33:38 -0500 In-Reply-To: <20081224223142.12176.9916.stgit@lost.foo-projects.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Wed, 24 Dec 2008 14:31:42 -0800 > This patch removes tx head writeback as it was found to not provide a > significant improvement in tx performance and on some systems has been seen > to cause a performance degredation due to partial cache line writes. > > Signed-off-by: Alexander Duyck > Signed-off-by: Jeff Kirsher Applied.