From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965744AbXDCRR1 (ORCPT ); Tue, 3 Apr 2007 13:17:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965752AbXDCRR0 (ORCPT ); Tue, 3 Apr 2007 13:17:26 -0400 Received: from mx1.redhat.com ([66.187.233.31]:50223 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965744AbXDCRR0 (ORCPT ); Tue, 3 Apr 2007 13:17:26 -0400 Message-ID: <46128C1B.1090900@redhat.com> Date: Tue, 03 Apr 2007 10:17:15 -0700 From: Ulrich Drepper Organization: Red Hat, Inc. User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Andi Kleen CC: Linux Kernel , Andrew Morton Subject: Re: getting processor numbers References: <461286D6.2040407@redhat.com> In-Reply-To: X-Enigmail-Version: 0.94.3.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig4218832C4AE76C3F90A5D6BD" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig4218832C4AE76C3F90A5D6BD Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Andi Kleen wrote: > There was a proposal some time ago to put that into the ELF aux vector > Unfortunately there was disagreement on what information to put=20 > there exactly (full topology, only limited numbers etc.)=20 Topology, yes, I'm likely in favor of it. Processor number: no. Unless you want to rip out hotpluging. I'm certainly in favor of that, it creates huge problems for no real benefit for the common use cases. But as it is, the number of processors is not necessarily constant over the lifetime of a process. The machine architecture is. --=20 =E2=9E=A7 Ulrich Drepper =E2=9E=A7 Red Hat, Inc. =E2=9E=A7 444 Castro St = =E2=9E=A7 Mountain View, CA =E2=9D=96 --------------enig4218832C4AE76C3F90A5D6BD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGEowb2ijCOnn/RHQRAvMdAJ0SwaiNwDpGGZk8ss1UgGwhMDiJsQCdGeht ywQ+iKTnsoEAkj1txauAVxY= =B/sj -----END PGP SIGNATURE----- --------------enig4218832C4AE76C3F90A5D6BD--