From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755598AbZDWGlh (ORCPT ); Thu, 23 Apr 2009 02:41:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752040AbZDWGl1 (ORCPT ); Thu, 23 Apr 2009 02:41:27 -0400 Received: from mx1.redhat.com ([66.187.233.31]:56086 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754468AbZDWGl0 (ORCPT ); Thu, 23 Apr 2009 02:41:26 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Mike Frysinger X-Fcc: ~/Mail/linus Cc: Oleg Nesterov , linux-kernel@vger.kernel.org Subject: Re: ptracee data structures cleanup In-Reply-To: Mike Frysinger's message of Wednesday, 22 April 2009 19:01:51 -0400 <8bd0f97a0904221601t110b0dd4xfe1f957de0e3fff7@mail.gmail.com> References: <20090330185146.D525AFC3AB@magilla.sf.frob.com> <20090408203954.GA26816@redhat.com> <20090416204004.GA28013@redhat.com> <20090416232430.4DAE4FC3C6@magilla.sf.frob.com> <20090420183718.GC32527@redhat.com> <20090421011354.4B19EFC3C7@magilla.sf.frob.com> <20090421214819.GA22845@redhat.com> <20090422032205.B8D39FC3C7@magilla.sf.frob.com> <20090422220400.GA22755@redhat.com> <8bd0f97a0904221601t110b0dd4xfe1f957de0e3fff7@mail.gmail.com> X-Zippy-Says: I'm also against BODY-SURFING!! Message-Id: <20090423064122.99BC3FC3C7@magilla.sf.frob.com> Date: Wed, 22 Apr 2009 23:41:22 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Blackfin was based on m68knommu, so it is most likely unused by us. > the only ptrace consumers are gdb(server) and strace and neither use > it afaik. These are not user-visible bits, just implementation cruft in the kernel. If no arch code in the kernel really does anything with the bit, that is all there is to it. Thanks, Roland