Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755363AbYLCAgS (ORCPT ); Tue, 2 Dec 2008 19:36:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752812AbYLCAgG (ORCPT ); Tue, 2 Dec 2008 19:36:06 -0500 Received: from turing-police.cc.vt.edu ([128.173.14.107]:40481 "EHLO turing-police.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752775AbYLCAgF (ORCPT ); Tue, 2 Dec 2008 19:36:05 -0500 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Bastian Blank Cc: Sukadev Bhattiprolu , oleg@redhat.com, ebiederm@xmission.com, roland@redhat.com, containers@lists.osdl.org, linux-kernel@vger.kernel.org, xemul@openvz.org Subject: Re: [RFC][PATCH 1/5] pid: Implement ns_of_pid In-Reply-To: Your message of "Tue, 02 Dec 2008 12:58:41 +0100." <20081202115841.GC1132@wavehammer.waldi.eu.org> From: Valdis.Kletnieks@vt.edu References: <20081126034242.GA23120@us.ibm.com> <20081126034442.GA23238@us.ibm.com> <20081127011910.GD13545@wavehammer.waldi.eu.org> <20081201202422.GD12493@us.ibm.com> <20081202115841.GC1132@wavehammer.waldi.eu.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1228264455_28627P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 02 Dec 2008 19:34:15 -0500 Message-ID: <66986.1228264455@turing-police.cc.vt.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1067 Lines: 33 --==_Exmh_1228264455_28627P Content-Type: text/plain; charset=us-ascii On Tue, 02 Dec 2008 12:58:41 +0100, Bastian Blank said: > pid is a function argument and the function does not call detach_pid. So > please try again. What he means is that if some *other* function calls detach_pid() and then something calls the ns_of_pid() function, it may be getting passed a null. Note that the detach_pid() and ns_of_pid() may even be racing on two totally separate CPUs, doing different things... --==_Exmh_1228264455_28627P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFJNdQHcC3lWbTT17ARAiQyAJ40fNmO6ATbBChO+V45GDr6q6hH1QCg8lNL J8GvlM5jjAtrgrseV5/+LLo= =MTSp -----END PGP SIGNATURE----- --==_Exmh_1228264455_28627P-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/