Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932247AbXBEM35 (ORCPT ); Mon, 5 Feb 2007 07:29:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932252AbXBEM35 (ORCPT ); Mon, 5 Feb 2007 07:29:57 -0500 Received: from posthamster.phnxsoft.com ([195.227.45.4]:2179 "EHLO posthamster.phnxsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932247AbXBEM34 (ORCPT ); Mon, 5 Feb 2007 07:29:56 -0500 Message-ID: <45C72320.5040103@imap.cc> Date: Mon, 05 Feb 2007 13:29:20 +0100 From: Tilman Schmidt User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT; rv:1.8.0.9) Gecko/20061211 SeaMonkey/1.0.7 Mnenhy/0.7.4.666 MIME-Version: 1.0 To: Andrew Morton CC: Karsten Keil , Linux Kernel Mailing List , i4ldeveloper@listserv.isdn4linux.de, linux-serial@vger.kernel.org, Hansjoerg Lipp , Alan Cox , Greg KH Subject: Re: [PATCH] drivers/isdn/gigaset: new M101 driver References: <200702012112.l11LCOO4016557@lx1.pxnet.com> <20070201171345.bd98ce30.akpm@osdl.org> <45C537B9.7080704@imap.cc> <20070203175623.72a171a1.akpm@linux-foundation.org> <45C68B71.6050904@imap.cc> <20070204205817.fe686375.akpm@linux-foundation.org> In-Reply-To: <20070204205817.fe686375.akpm@linux-foundation.org> X-Enigmail-Version: 0.94.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig6A38BC97443378A3A1D59C52" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1835 Lines: 52 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig6A38BC97443378A3A1D59C52 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Andrew Morton schrieb: > On Mon, 05 Feb 2007 02:42:09 +0100 Tilman Schmidt wrot= e: >=20 >> It's a pointer. Are reads and writes of pointer sized objects >> guaranteed to be atomic on every platform? >=20 > Yup - we make the same assumption about longs in various places. >=20 > It's a bit strange to read a pointer which can be changing at the > same time. Because the local copy will no longer represent the > thing which it was just copied from. It's not that bad. The only possible concurrent change is from NULL to non-NULL. Fearing an inconsistent read in that event was too paranoid apparently. Thanks for all your suggestions. I'll prepare a new patch based on them. --=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) --------------enig6A38BC97443378A3A1D59C52 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFxyMgMdB4Whm86/kRAutZAJwNdjq4FUdrj0WjC+kqi2aAPOR9tACfaB72 3eHKbphVJCQ2Li7aq0H+uaY= =3QQR -----END PGP SIGNATURE----- --------------enig6A38BC97443378A3A1D59C52-- - 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/