From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965270Ab0COQBZ (ORCPT ); Mon, 15 Mar 2010 12:01:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56608 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965216Ab0COQBW (ORCPT ); Mon, 15 Mar 2010 12:01:22 -0400 Message-ID: <4B9E59B7.6060405@redhat.com> Date: Mon, 15 Mar 2010 09:00:55 -0700 From: Ulrich Drepper User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de-DE; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.3 MIME-Version: 1.0 To: "H. Peter Anvin" CC: Ralf Baechle , Benjamin Herrenschmidt , David Miller , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@teksavvy.com, torvalds@linux-foundation.org, munroesj@linux.vnet.ibm.com Subject: Re: 64-syscall args on 32-bit vs syscall() References: <1268628493.2355.2.camel@pasglop> <20100314.220646.190065794.davem@davemloft.net> <1268630313.2335.2.camel@pasglop> <20100315134449.GB1653@linux-mips.org> <4B9E4EB1.9010800@zytor.com> In-Reply-To: <4B9E4EB1.9010800@zytor.com> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/15/2010 08:13 AM, H. Peter Anvin wrote: > One option would be to do a libkernel.so, No need. Put it in the vdso. And name it something other than syscall. The syscall() API is fixed, you cannot change it. All this only if it makes sense for ALL archs. If it cannot work for just one arch then it's not worth it at all. - -- ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkueWbcACgkQ2ijCOnn/RHRtBQCeP88S/0xei7CAt65AGboqsrC8 N7wAoK7Qbi+OZuQrgHTCgTA27TgY+gQU =4tJ6 -----END PGP SIGNATURE-----