From owner-freebsd-current@FreeBSD.ORG Thu Jul 10 14:44:20 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 886B337B401 for ; Thu, 10 Jul 2003 14:44:20 -0700 (PDT) Received: from ns1.xcllnt.net (209-128-86-226.BAYAREA.NET [209.128.86.226]) by mx1.FreeBSD.org (Postfix) with ESMTP id C2B9B43FA3 for ; Thu, 10 Jul 2003 14:44:19 -0700 (PDT) (envelope-from marcel@xcllnt.net) Received: from ns1.xcllnt.net (localhost [127.0.0.1]) by ns1.xcllnt.net (8.12.9/8.12.9) with ESMTP id h6ALhdv1049145; Thu, 10 Jul 2003 14:43:39 -0700 (PDT) (envelope-from marcel@ns1.xcllnt.net) Received: (from marcel@localhost) by ns1.xcllnt.net (8.12.9/8.12.9/Submit) id h6ALhd4J049144; Thu, 10 Jul 2003 14:43:39 -0700 (PDT) (envelope-from marcel) Date: Thu, 10 Jul 2003 14:43:39 -0700 From: Marcel Moolenaar To: Bruce Evans Message-ID: <20030710214339.GA48547@ns1.xcllnt.net> References: <20030711070631.C27297@gamplex.bde.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030711070631.C27297@gamplex.bde.org> User-Agent: Mutt/1.5.1i cc: Julian Elischer cc: FreeBSD current users Subject: Re: small scheduler hack/patch X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jul 2003 21:44:20 -0000 On Fri, Jul 11, 2003 at 07:21:16AM +1000, Bruce Evans wrote: > have MD definitions. Its first arg has type u_int64_t on ia64's and > u_int on other arches. This is bogus for ia64's since subr_smp.c uses > u_int for all bitmaps of CPUs, so systems with more than 32 CPUs cannot > actually work. The bogosity is in MI code. Not being able to support 64-way (or higher) XYZ machines because MI code uses 32-bit bitmaps is wrong. Both the type and the access to it should be abstracted in MI code to allow for compound types. Much akin to sigset_t. -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net