From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 09 Jan 2006 15:19:18 +0000 (GMT) Received: from extgw-uk.mips.com ([62.254.210.129]:53019 "EHLO bacchus.net.dhis.org") by ftp.linux-mips.org with ESMTP id S8134416AbWAIPTA (ORCPT ); Mon, 9 Jan 2006 15:19:00 +0000 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by bacchus.net.dhis.org (8.13.4/8.13.4) with ESMTP id k09FLpvh006413; Mon, 9 Jan 2006 15:21:51 GMT Received: (from ralf@localhost) by denk.linux-mips.net (8.13.4/8.13.4/Submit) id k09FLmvR006411; Mon, 9 Jan 2006 15:21:48 GMT Date: Mon, 9 Jan 2006 15:21:48 +0000 From: Ralf Baechle To: "Kevin D. Kissell" Cc: Sathesh Babu Edara , linux-mips-bounce@linux-mips.org, linux-mips@linux-mips.org Subject: Re: LL and SC instruction simulation Message-ID: <20060109152148.GD4286@linux-mips.org> References: <200601090742.k097gYaZ017304@lilac.hdcindia.analog.com> <200601090749.k097nFaZ017891@lilac.hdcindia.analog.com> <20060109145425.GA4286@linux-mips.org> <00af01c6152f$dc1863f0$10eca8c0@grendel> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00af01c6152f$dc1863f0$10eca8c0@grendel> User-Agent: Mutt/1.4.2.1i 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: 9815 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 Mon, Jan 09, 2006 at 04:17:50PM +0100, Kevin D. Kissell wrote: > > Only ll/sc instructions in application software can be emulated, so it > > would seem your application is behaving different on 2.4 and 2.6 kernels. > > Is there an interface where 2.6 might be telling library code to use system calls > instead LL/SC, where the 2.4 kernel didn't? No. Ralf