From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754916AbXJVHSE (ORCPT ); Mon, 22 Oct 2007 03:18:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751716AbXJVHRw (ORCPT ); Mon, 22 Oct 2007 03:17:52 -0400 Received: from mga03.intel.com ([143.182.124.21]:3675 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751160AbXJVHRv (ORCPT ); Mon, 22 Oct 2007 03:17:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.21,309,1188802800"; d="scan'208";a="303143721" Subject: [PATCH -v6 0/3] x86 boot: 32-bit boot protocol From: "Huang, Ying" To: "H. Peter Anvin" , Andi Kleen , "Eric W. Biederman" , akpm@linux-foundation.org, Linus Torvalds Cc: linux-kernel@vger.kernel.org Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 22 Oct 2007 15:16:48 +0800 Message-Id: <1193037408.23935.21.camel@caritas-dev.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.10.3 X-OriginalArrivalTime: 22 Oct 2007 07:14:09.0059 (UTC) FILETIME=[23957730:01C8147B] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This patchset defines a 32-bit boot protocol for x86 platform, adds an extensible boot parameter passing mechanism, export the boot parameters via sysfs. The patchset has been tested against kernel of git version v2.6.23-6623-g55b70a0 on x86_64 and i386. This patchset is based on the proposal of Peter Anvin. v6: - The linked list of setup_data is copied to memory area right after the kernel _end during early kernel bootstrap to solve the issue that where the safe place is to place linked list of setup_data. v5: - Use bt_ioremap/bt_iounmap in copy_setup_data. v4: - Reserve setup_data and boot parameters for accessing during runtime. - Export boot parameters via sysfs. v3: - Move hd0_info and hd1_info back to zero page for compatibility. v2: - Increase the boot protocol version number - Check version number before parsing setup data. - Revise zero page description according to the source code and move them to zero-page.txt. Best Regards, Huang Ying