From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755239AbaBTTsy (ORCPT ); Thu, 20 Feb 2014 14:48:54 -0500 Received: from mail-qc0-f170.google.com ([209.85.216.170]:59336 "EHLO mail-qc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752412AbaBTTsx (ORCPT ); Thu, 20 Feb 2014 14:48:53 -0500 Date: Thu, 20 Feb 2014 14:48:48 -0500 From: Tejun Heo To: Oleg Nesterov Cc: Andrew Morton , Al Viro , Jan Kratochvil , Lennart Poettering , Linus Torvalds , Michal Schmidt , Roland McGrath , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] kill the racy EXIT_ZOMBIE->EXIT_DEAD->EXIT_ZOMBIE transition Message-ID: <20140220194848.GA6573@mtj.dyndns.org> References: <20140220173838.GA21825@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140220173838.GA21825@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 20, 2014 at 06:38:38PM +0100, Oleg Nesterov wrote: > Tejun, unless I missed something WSTOPPED logic is broken if a process > has a zombie/ptraced leader, "A zombie ptracee is only visible to its > ptracer" is wrong in this case. Plus perhaps some cleanups make sense. Heh, I already forgot most details about ptrace. :) Is it something urgent? If so, I'll try to get back to it right away; otherwise, I'll probably be able to get around to it in several weeks. Thanks. -- tejun