From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756837Ab2INQi1 (ORCPT ); Fri, 14 Sep 2012 12:38:27 -0400 Received: from toast.topped-with-meat.com ([204.197.218.159]:54881 "EHLO topped-with-meat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755643Ab2INQiY (ORCPT ); Fri, 14 Sep 2012 12:38:24 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Denys Vlasenko X-Fcc: ~/Mail/lkml Cc: Oleg Nesterov , linux-kernel@vger.kernel.org, Andrew Morton , Amerigo Wang Subject: Re: [PATCH 2/2] coredump: add a new elf note with siginfo fields of the signal In-Reply-To: Denys Vlasenko's message of Friday, 14 September 2012 14:27:37 +0200 References: <1347493124-10661-1-git-send-email-vda.linux@googlemail.com> <1347493124-10661-2-git-send-email-vda.linux@googlemail.com> <20120913153615.GB32128@redhat.com> Emacs: the Swiss Army of Editors. Message-Id: <20120914163820.B8FC92C0DB@topped-with-meat.com> Date: Fri, 14 Sep 2012 09:38:20 -0700 (PDT) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.0 cv=LtfpOghc c=1 sm=1 a=4Q-4H7cYoKEA:10 a=Z6MIti7PxpgA:10 a=kj9zAlcOel0A:10 a=hOe2yjtxAAAA:8 a=14OXPxybAAAA:8 a=ZAWFwMYEd_IA:10 a=D0TYgUTFx-ByroDjQH0A:9 a=CjuIK1q_8ugA:10 a=WkljmVdYkabdwxfqvArNOQ==:117 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Other ELF notes have per-machine layouts too. It's far more important to reduce the total number of ways we have to represent the same information. On a given machine, we already have a layout and we don't want another. Debuggers and so forth already know how to handle the per-machine layouts. The core file is just another way to get the same chunk of data you can get from the live process.