From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755613Ab0C2R5V (ORCPT ); Mon, 29 Mar 2010 13:57:21 -0400 Received: from out3.smtp.messagingengine.com ([66.111.4.27]:41074 "EHLO out3.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755264Ab0C2R5R (ORCPT ); Mon, 29 Mar 2010 13:57:17 -0400 X-Sasl-enc: Tudj637ujeJc8B+sk9oXHTiaBTjcWlOV/E4KKVbN00hK 1269885435 Message-ID: <4BB0E937.7070200@imap.cc> Date: Mon, 29 Mar 2010 19:53:59 +0200 From: Tilman Schmidt User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.1.8) Gecko/20100228 SUSE/3.0.3-1.1.1 Thunderbird/3.0.3 MIME-Version: 1.0 To: paulmck@linux.vnet.ibm.com CC: linux-kernel@vger.kernel.org Subject: Re: CONFIG_PROVE_RCU breaks proprietary modules (rcu_lock_map) References: <4BA689EA.4050102@imap.cc> <20100329150946.GB2569@linux.vnet.ibm.com> In-Reply-To: <20100329150946.GB2569@linux.vnet.ibm.com> X-Enigmail-Version: 1.0.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig4C735A898F90C2AC33AE0A2D" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig4C735A898F90C2AC33AE0A2D Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Am 29.03.2010 17:09 schrieb Paul E. McKenney: > On Sun, Mar 21, 2010 at 10:04:42PM +0100, Tilman Schmidt wrote: [...] >> So if building a proprietary module fails with the message: >> >> FATAL: modpost: GPL-incompatible module uses GPL-only symbol >> 'rcu_lock_map' >> >> try rebuilding your kernel with the PROVE_RCU option disabled. >> >> Hope it helps someone. >=20 > I am comfortable with PROVE_RCU being incompatible with non-GPL modules= =2E > After all, it is only a debugging option, not intended for production u= se. I agree completely. I just wanted to publish that fact because it seems to be little known and can be quite a puzzler. Thanks, Tilman --=20 Tilman Schmidt E-Mail: tilman@imap.cc Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Unge=F6ffnet mindestens haltbar bis: (siehe R=FCckseite) --------------enig4C735A898F90C2AC33AE0A2D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/ iEYEARECAAYFAkuw6UIACgkQQ3+did9BuFvuSwCePYphSQsEmtHdCGTF9NeZX3BI IugAn1wCJ3Gz7Ni7PfifIQt9vP7nMKNN =5yw2 -----END PGP SIGNATURE----- --------------enig4C735A898F90C2AC33AE0A2D--