From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754492Ab1IDNxV (ORCPT ); Sun, 4 Sep 2011 09:53:21 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:40394 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753252Ab1IDNxP (ORCPT ); Sun, 4 Sep 2011 09:53:15 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: "H. Peter Anvin" Cc: Arnd Bergmann , "H.J. Lu" , Linus Torvalds , Christoph Hellwig , LKML , Ingo Molnar , Thomas Gleixner , Richard Kuo , Mark Salter , Jonas Bonn , Tobias Klauser Subject: Re: RFD: x32 ABI system call numbers In-Reply-To: Your message of "Sat, 03 Sep 2011 10:27:42 PDT." <4E62638E.40308@zytor.com> From: Valdis.Kletnieks@vt.edu References: <4E582577.2060805@zytor.com> <4E61BB42.4090301@zytor.com> <8179020.mG8hWW8BRr@wuerfel> <14427.1315058668@turing-police.cc.vt.edu> <9b6a2b8e-365f-4155-85ca-5f72b46a7f3e@email.android.com> <19229.1315070217@turing-police.cc.vt.edu> <4E62638E.40308@zytor.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1315144296_5656P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Sun, 04 Sep 2011 09:51:36 -0400 Message-ID: <6467.1315144296@turing-police.cc.vt.edu> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Junkmail-Status: score=10/50, host=steiner.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020204.4E63826E.012F,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=single engine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1315144296_5656P Content-Type: text/plain; charset=us-ascii On Sat, 03 Sep 2011 10:27:42 PDT, "H. Peter Anvin" said: > About ioctl in particular, the ABI has dependencies into almost every > single driver in the Linux kernel. It is hard-coded in the kernel that > there are two paths -- native and compat. Since pointers are going to > be 4 bytes, it means we have to use the compat path. Ah, that's the part I was missing, thanks. --==_Exmh_1315144296_5656P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFOY4JocC3lWbTT17ARAkO4AJ91F5AV7vPU8V9MHWuZR+vgbkXiVwCgi/KQ MdkKMuZ3vGDXZieKhttvagY= =ddbp -----END PGP SIGNATURE----- --==_Exmh_1315144296_5656P--