Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262423AbVBBO2c (ORCPT ); Wed, 2 Feb 2005 09:28:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262490AbVBBO2c (ORCPT ); Wed, 2 Feb 2005 09:28:32 -0500 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:62188 "EHLO ebiederm.dsl.xmission.com") by vger.kernel.org with ESMTP id S262592AbVBBO2P (ORCPT ); Wed, 2 Feb 2005 09:28:15 -0500 To: Itsuro Oda Cc: Vivek Goyal , Andrew Morton , fastboot , lkml , Maneesh Soni , Hariprasad Nellitheertha , suparna bhattacharya Subject: Re: [Fastboot] [PATCH] Reserving backup region for kexec based crashdumps. References: <1107271039.15652.839.camel@2fwv946.in.ibm.com> <20050202154926.18D4.ODA@valinux.co.jp> From: ebiederm@xmission.com (Eric W. Biederman) Date: 02 Feb 2005 07:26:06 -0700 In-Reply-To: <20050202154926.18D4.ODA@valinux.co.jp> Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 789 Lines: 19 Itsuro Oda writes: > Hi, > > I can't understand why ELF format is necessary. ELF format is not. However essentially the information an ELF provides is. So using an ELF header to convey that information is a sane choice of data structure. > I think the only necessary information is "what physical address > regions are valid to read". This information is necessary for any > sort of dump tools. (and must get it while the system is normal.) > The Eric's /proc/cpumem idea sounds nice to me. Patches welcome. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/