From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758227AbYJGXki (ORCPT ); Tue, 7 Oct 2008 19:40:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758096AbYJGXkF (ORCPT ); Tue, 7 Oct 2008 19:40:05 -0400 Received: from mga12.intel.com ([143.182.124.36]:20364 "EHLO azsmga102.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755617AbYJGXkD (ORCPT ); Tue, 7 Oct 2008 19:40:03 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.33,376,1220252400"; d="scan'208";a="56487091" Message-ID: <48EBF352.6080601@linux.intel.com> Date: Tue, 07 Oct 2008 16:40:02 -0700 From: Joseph Cihula User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: shane.wang@intel.com, gang.wei@intel.com, arjan@linux.intel.com, asit.k.mallick@intel.com, jun.nakajima@intel.com, chrisw@sous-sol.org, jbeulich@novell.com, mingo@elte.hu, tytso@mit.edu, joseph.cihula@intel.com Subject: Re: [RFC][PATCH 1/3] TXT: ACPI AddressRangeUnusuable support References: <48EBE96A.6080700@linux.intel.com> In-Reply-To: <48EBE96A.6080700@linux.intel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (still managed to lose the tabs--let's try one more time ;-( ) (re-posted with apologies for formatting and email addresses) Commit message (w/ patch), copied below: Add support for the E820_UNUSABLE memory type, which is defined in Revision 3.0b (Oct. 10, 2006) of the ACPI Specification on p. 394 Table 14-1: AddressRangeUnusuable This range of address contains memory in which errors have been detected. This range must not be used by the OSPM. Signed-off-by: Joseph Cihula Signed-off-by: Shane Wang Signed-off-by: Gang Wei Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Andi Kleen Signed-off-by: Andrew Morton --- arch/x86/kernel/e820.c | 4 ++++ include/asm-x86/e820.h | 1 + 2 files changed, 5 insertions(+) diff -puN arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi-memory-type arch/x86/kernel/e820.c --- a/arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi-memory-type +++ a/arch/x86/kernel/e820.c @@ -148,6 +148,9 @@ void __init e820_print_map(char *who) case E820_NVS: printk(KERN_CONT "(ACPI NVS)\n"); break; + case E820_UNUSABLE: + printk("(unusable)\n"); + break; default: printk(KERN_CONT "type %u\n", e820.map[i].type); break; @@ -1260,6 +1263,7 @@ static inline const char *e820_type_to_s case E820_RAM: return "System RAM"; case E820_ACPI: return "ACPI Tables"; case E820_NVS: return "ACPI Non-volatile Storage"; + case E820_UNUSABLE: return "Unusable memory"; default: return "reserved"; } } diff -puN include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi-memory-type include/asm-x86/e820.h --- a/include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi-memory-type +++ a/include/asm-x86/e820.h @@ -43,6 +43,7 @@ #define E820_RESERVED 2 #define E820_ACPI 3 #define E820_NVS 4 +#define E820_UNUSABLE 5 /* reserved RAM used by kernel itself */ #define E820_RESERVED_KERN 128