Received: by 2002:ac0:aed5:0:0:0:0:0 with SMTP id t21csp4324851imb; Wed, 6 Mar 2019 10:32:55 -0800 (PST) X-Google-Smtp-Source: APXvYqw1v1poO/gQNUC6aSVVuXLaj4YOa1Vp6YREd84ya4bj9zc4kNbIYB+7GDCsv60SO1UA4Wdj X-Received: by 2002:a63:ce:: with SMTP id 197mr7426167pga.212.1551897175691; Wed, 06 Mar 2019 10:32:55 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551897175; cv=none; d=google.com; s=arc-20160816; b=GWbks0sGdIqFo2ScX9zOHrKvz8/jKTephSi93EEja4TFrtttRtZgoQIA/bRiDRuBBI pwvAAuZFO6870bBrVvWrorS4dxqvjm9k+A5w6YW46wbK0Xs+zOrxIlJkbRRbvIwmRnjK 4kPhZjgdATWtl8Tw0v2r1tIk5aMeFOECBJ+xHLl72ytpQP0/MQYNYoBIFZX3OUw4Xyok cYyXvfTyC0qk7wIaH9NU76syZWC/UOVe8R8K+nUt6d5Ix1Qtd11mCfaMHd/b4Kmwu7jo mDxwNGJ/xEfy0wyYv4U70REx9+33veJ7dppdfDIsqvUBkWNZZiIZusNKFiSi4yXfUHY2 7LDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=GrvNv+RYZmiCObGkXd9ueiTzqoHv3ccY90TGc5ekBzk=; b=laO+rvqo6r9O41HZ6FLfVzCXxcQbX9HaBH14FBIE9G9iiTWU4zJEWnBlk/3edeRD/d MIbQy/WWCFAEiFWPiPt+fdQtLxg0YUqEhdKOSXeuq/78OsFbtlJl9ZIfNBAOcGtOc/tE l713M0ViNLlTSYVZ8lh8vPfPCYB17dh4HnUBQ8Ja0qcI4z/e7PjWSYWX/95xnneCP3Rc Znb6bavy5dNNB3scMGpxODaQyUNruuRHHJkbNnr+0AsZtoK2bfUdpUh/9wlO8jyeyiZb rF0Jj1IC9Fx7t/V+HyKc35+lU2uoNWyZGnSY4KYtmeLESeBKGHPjUuNOqJzZ2WrTE1+5 USLg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n16si2036141pgj.27.2019.03.06.10.32.40; Wed, 06 Mar 2019 10:32:55 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729971AbfCFQxI (ORCPT + 99 others); Wed, 6 Mar 2019 11:53:08 -0500 Received: from www.llwyncelyn.cymru ([82.70.14.225]:53436 "EHLO fuzix.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727964AbfCFQxI (ORCPT ); Wed, 6 Mar 2019 11:53:08 -0500 Received: from alans-desktop (82-70-14-226.dsl.in-addr.zen.co.uk [82.70.14.226]) by fuzix.org (8.15.2/8.15.2) with ESMTP id x26GqVK0011338; Wed, 6 Mar 2019 16:52:31 GMT Date: Wed, 6 Mar 2019 16:52:30 +0000 From: Alan Cox To: "Theodore Y. Ts'o" Cc: Thomas Gleixner , Matthew Wilcox , Borislav Petkov , Jann Horn , Al Viro , kernel list , , the arch/x86 maintainers , Linux API Subject: Re: a.out coredumping: fix or delete? Message-ID: <20190306165230.75b7d110@alans-desktop> In-Reply-To: <20190306141144.GD7930@mit.edu> References: <20190305091904.GB8256@zn.tnic> <20190305122218.GD13380@bombadil.infradead.org> <20190306141144.GD7930@mit.edu> Organization: Intel Corporation X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 6 Mar 2019 09:11:44 -0500 "Theodore Y. Ts'o" wrote: > On Wed, Mar 06, 2019 at 01:25:17PM +0100, Thomas Gleixner wrote: > > > It's been 25 years since Linux added support for ELF. Can we just > > > delete the a.out support entirely now? According to the Linux-ELF HOWTO, > > > support was added in 1.1.52 (August 1994). It's pretty much necromancy > > > at this point. > > > > The Kernel-Necrophilia cult members might disagree. :) > > > > But yes, good riddance. > > Doesn't Minix 1.0 use a.out? It *is* cool to be able to binaries from > run dead operating systems. :-) Minixemu compiled fine ELF last time I checked 8). It does need a 32bit system as it still uses virtual 86 model. Alan