From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 19 Feb 2003 13:19:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 19 Feb 2003 13:19:47 -0500 Received: from e6.ny.us.ibm.com ([32.97.182.106]:23271 "EHLO e6.ny.us.ibm.com") by vger.kernel.org with ESMTP id ; Wed, 19 Feb 2003 13:19:46 -0500 Message-ID: <3E53CCDA.6080501@us.ibm.com> Date: Wed, 19 Feb 2003 10:28:42 -0800 From: Dave Hansen User-Agent: Mozilla/5.0 (compatible; MSIE5.5; Windows 98; X-Accept-Language: en MIME-Version: 1.0 To: gone@us.ibm.com CC: akpm@zip.com.au, linux-kernel@vger.kernel.org Subject: Re: [PATCH] (1/2) x440 discontig support on 2.5.62: early, early ioremap References: <200302190307.h1J37T225487@w-gaughen.beaverton.ibm.com> Content-Type: multipart/mixed; boundary="------------040406000705000109030201" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------040406000705000109030201 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Patricia Gaughen wrote: > This patch was written by Dave Hansen, I just brought it forward to > 2.5.62 :-) > > This patch is used by the x440 discontigmem to map the srat tables > into low memory so that the memory can be setup. This remap function > is used very early in the boot process... at the start of > setup_arch(). > > Dave posted this previously to linux-kernel. Here's a pointer to his > email: > http://marc.theaimsgroup.com/?l=linux-kernel&m=104515534619345&w=2 Here's a patch that makes the early ioremap conditional on Summit, and NUMA. -- Dave Hansen haveblue@us.ibm.com --------------040406000705000109030201 Content-Type: text/plain; name="linux-2.5.62-config_early_ioremap_A0.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="linux-2.5.62-config_early_ioremap_A0.patch" diff -ur linux-2.5.62-disco/arch/i386/Kconfig linux-2.5.62-disco.new/arch/i386/Kconfig --- linux-2.5.62-disco/arch/i386/Kconfig Wed Feb 19 10:14:34 2003 +++ linux-2.5.62-disco.new/arch/i386/Kconfig Wed Feb 19 10:24:43 2003 @@ -754,6 +754,13 @@ depends on (SMP || PREEMPT) && X86_CMPXCHG default y +# turning this on wastes a bunch of space. +# Summit needs it only when NUMA is on +config BOOT_IOREMAP + bool + depends on (X86_SUMMIT && NUMA) + default y + endmenu Only in linux-2.5.62-disco.new/arch/i386: Kconfig~ diff -ur linux-2.5.62-disco/arch/i386/mm/Makefile linux-2.5.62-disco.new/arch/i386/mm/Makefile --- linux-2.5.62-disco/arch/i386/mm/Makefile Wed Feb 19 10:14:30 2003 +++ linux-2.5.62-disco.new/arch/i386/mm/Makefile Wed Feb 19 10:15:42 2003 @@ -2,8 +2,9 @@ # Makefile for the linux i386-specific parts of the memory manager. # -obj-y := init.o pgtable.o fault.o ioremap.o extable.o pageattr.o boot_ioremap.o +obj-y := init.o pgtable.o fault.o ioremap.o extable.o pageattr.o obj-$(CONFIG_DISCONTIGMEM) += discontig.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_HIGHMEM) += highmem.o +obj-$(CONFIG_BOOT_IOREMAP) += boot_ioremap.o Only in linux-2.5.62-disco.new/scripts: elfconfig.h --------------040406000705000109030201--