From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752207Ab1BBFdg (ORCPT ); Wed, 2 Feb 2011 00:33:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:32598 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539Ab1BBFdf (ORCPT ); Wed, 2 Feb 2011 00:33:35 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Andrew Morton X-Fcc: ~/Mail/linus Cc: Tejun Heo , oleg@redhat.com, jan.kratochvil@redhat.com, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: [PATCH] ptrace: use safer wake up on ptrace_detach() In-Reply-To: Andrew Morton's message of Tuesday, 1 February 2011 16:27:29 -0800 <20110201162729.f75be47d.akpm@linux-foundation.org> X-Fcc: ~/Mail/linus References: <1296227324-25295-1-git-send-email-tj@kernel.org> <1296227324-25295-3-git-send-email-tj@kernel.org> <20110128184601.CBF7C180996@magilla.sf.frob.com> <20110131103855.GD7459@htj.dyndns.org> <20110201102618.GE14211@htj.dyndns.org> <20110201162729.f75be47d.akpm@linux-foundation.org> X-Shopping-List: (1) Automated scurrilous proportion brides (2) Contagious detrimental goats (3) Spontaneous callous pollution pencils (4) Humorous suicide snoozeers Message-Id: <20110202053331.C27C6183D88@magilla.sf.frob.com> Date: Tue, 1 Feb 2011 21:33:31 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Am unable to work out why you tagged it for backporting. It fixes some > observed bug? Perhaps a regression? No observed bug, only theoretical ones (AFAIK, never even a ginned-up synthetic test case has been demonstrated). Certainly not a regression, since it has been this (wrong) way since the dawn of time. I don't think this first change is dangerous for -stable, but I have seen no positive rationale for pushing it there. Thanks, Roland