From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 26 May 2004 21:35:14 +0100 (BST) Received: from p508B6E02.dip.t-dialin.net ([IPv6:::ffff:80.139.110.2]:56102 "EHLO mail.linux-mips.net") by linux-mips.org with ESMTP id ; Wed, 26 May 2004 21:33:47 +0100 Received: from fluff.linux-mips.net (fluff.linux-mips.net [127.0.0.1]) by mail.linux-mips.net (8.12.11/8.12.8) with ESMTP id i4QKXk6q008768; Wed, 26 May 2004 22:33:46 +0200 Received: (from ralf@localhost) by fluff.linux-mips.net (8.12.11/8.12.11/Submit) id i4QKXkn2008767; Wed, 26 May 2004 22:33:46 +0200 Date: Wed, 26 May 2004 22:33:46 +0200 From: Ralf Baechle To: Emmanuel Michon Cc: linux-mips@linux-mips.org Subject: Re: down_trylock() implementation for MIPS 4KEc CPU implies 64bit arithmetics? Message-ID: <20040526203346.GA8430@linux-mips.org> References: <1085589315.2306.49.camel@avalon.france.sdesigns.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1085589315.2306.49.camel@avalon.france.sdesigns.com> User-Agent: Mutt/1.4.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 5198 X-Approved-By: ralf@linux-mips.org X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Wed, May 26, 2004 at 06:35:16PM +0200, Emmanuel Michon wrote: Semaphores can be implemented using just a single 32-bit variable which would mean the same code could be used for 32-bit and 64-bit processors as long as only they support ll/sc. Maybe somebody has the time at his hands, *hint*, *hint* :-) Ralf