From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Date: Thu, 02 Sep 2004 21:07:59 +0000 Subject: Re: page fault scalability patch final : i386 tested, x86_64 Message-Id: <20040902140759.5f1003d5.davem@davemloft.net> List-Id: References: <20040815185644.24ecb247.davem@redhat.com> <20040816143903.GY11200@holomorphy.com> <1094012689.6538.330.camel@gaston> <1094080164.4025.17.camel@gaston> <20040901215741.3538bbf4.davem@davemloft.net> <20040902131057.0341e337.davem@davemloft.net> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Lameter Cc: benh@kernel.crashing.org, akpm@osdl.org, wli@holomorphy.com, davem@redhat.com, raybry@sgi.com, ak@muc.de, manfred@colorfullife.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, vrajesh@umich.edu, hugh@veritas.com On Thu, 2 Sep 2004 14:02:47 -0700 (PDT) Christoph Lameter wrote: > I have the similar issues with the page scalability patch. Should I not do > the legacy thing for platforms that do not have atomic pte operations? > ' I think your situation is different. The set_pte() changes are modifying the arguments of an existing interface. Your changes are adding support for taking advantage of a facility that may or may not exist on a platform. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269126AbUIBVKA (ORCPT ); Thu, 2 Sep 2004 17:10:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269107AbUIBVJ5 (ORCPT ); Thu, 2 Sep 2004 17:09:57 -0400 Received: from adsl-63-197-226-105.dsl.snfc21.pacbell.net ([63.197.226.105]:13466 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S268370AbUIBVJO (ORCPT ); Thu, 2 Sep 2004 17:09:14 -0400 Date: Thu, 2 Sep 2004 14:07:59 -0700 From: "David S. Miller" To: Christoph Lameter Cc: benh@kernel.crashing.org, akpm@osdl.org, wli@holomorphy.com, davem@redhat.com, raybry@sgi.com, ak@muc.de, manfred@colorfullife.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, vrajesh@umich.edu, hugh@veritas.com Subject: Re: page fault scalability patch final : i386 tested, x86_64 support added Message-Id: <20040902140759.5f1003d5.davem@davemloft.net> In-Reply-To: References: <20040815185644.24ecb247.davem@redhat.com> <20040816143903.GY11200@holomorphy.com> <1094012689.6538.330.camel@gaston> <1094080164.4025.17.camel@gaston> <20040901215741.3538bbf4.davem@davemloft.net> <20040902131057.0341e337.davem@davemloft.net> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2 Sep 2004 14:02:47 -0700 (PDT) Christoph Lameter wrote: > I have the similar issues with the page scalability patch. Should I not do > the legacy thing for platforms that do not have atomic pte operations? > ' I think your situation is different. The set_pte() changes are modifying the arguments of an existing interface. Your changes are adding support for taking advantage of a facility that may or may not exist on a platform.