From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752140Ab3CAF1s (ORCPT ); Fri, 1 Mar 2013 00:27:48 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:58035 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750910Ab3CAF1p (ORCPT ); Fri, 1 Mar 2013 00:27:45 -0500 X-IronPort-AV: E=Sophos;i="4.84,759,1355068800"; d="scan'208";a="6791823" From: liguang To: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org Cc: liguang Subject: [PATCH 2/2] x86: add e820 descriptor attribute field Date: Fri, 1 Mar 2013 13:27:18 +0800 Message-Id: <1362115638-10583-2-git-send-email-lig.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1362115638-10583-1-git-send-email-lig.fnst@cn.fujitsu.com> References: <1362115638-10583-1-git-send-email-lig.fnst@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/01 13:26:50, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/01 13:26:50, Serialize complete at 2013/03/01 13:26:50 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org according to ACPI 5.0 Table 15-273 Address Range Descriptor Structure, offset 20 is 32-bit field of Extended Attributes for Address Range Descriptor Structure. Signed-off-by: liguang --- arch/x86/include/uapi/asm/e820.h | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h index 2d400b1..eb87284 100644 --- a/arch/x86/include/uapi/asm/e820.h +++ b/arch/x86/include/uapi/asm/e820.h @@ -38,6 +38,10 @@ #define E820_TYPE_NVS 4 #define E820_TYPE_UNUSABLE 5 +#define E820_ATTRIB_NV 0x2 +#define E820_ATTRIB_SLOW_ACCESS 0x4 +#define E820_ATTRIB_ERR_LOG 0x8 + /* * reserved RAM used by kernel itself @@ -53,7 +57,8 @@ struct e820entry { __u64 addr; /* start of memory segment */ __u64 size; /* size of memory segment */ __u32 type; /* type of memory segment */ -} __attribute__((packed)); + __u32 attrib; +}; struct e820map { __u32 nr_map; -- 1.7.2.5