Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262221AbTI2Uuo (ORCPT ); Mon, 29 Sep 2003 16:50:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262374AbTI2Uuo (ORCPT ); Mon, 29 Sep 2003 16:50:44 -0400 Received: from holomorphy.com ([66.224.33.161]:60067 "EHLO holomorphy") by vger.kernel.org with ESMTP id S262221AbTI2Uum (ORCPT ); Mon, 29 Sep 2003 16:50:42 -0400 Date: Mon, 29 Sep 2003 13:51:40 -0700 From: William Lee Irwin III To: Mikael Pettersson Cc: "J.A. Magallon" , Frank Cusack , lkml Subject: Re: 2nd proc not seen Message-ID: <20030929205140.GQ4306@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Mikael Pettersson , "J.A. Magallon" , Frank Cusack , lkml References: <20030904021113.A1810@google.com> <20030904091437.A25107@google.com> <20030928205045.B21288@google.com> <20030929085807.GA22884@werewolf.able.es> <16247.63409.996071.860727@gargle.gargle.HOWL> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16247.63409.996071.860727@gargle.gargle.HOWL> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 29, 2003 at 11:13:21AM +0200, Mikael Pettersson wrote: > Problem #1 is that physical CPU numbering isn't dense. This is not a bug. > Problem #2 is that the kernel's internal dense-logical-to-sparse-physical > numbering was deleted in 2.5.23 or thereabouts. > Hence NR_CPUS is basically impossible to use reliably in 2.6 unless we > reintroduce cpu_logical_map[]. We should be able to at least boot them, since we program logical ID's ourselves. If you're relying on knowing physids at runtime you'll need cpu_logical_map[]. -- wli - 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/