From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 06 Oct 2005 19:55:27 +0100 (BST) Received: from extgw-uk.mips.com ([62.254.210.129]:46095 "EHLO bacchus.net.dhis.org") by ftp.linux-mips.org with ESMTP id S8133558AbVJFSzK (ORCPT ); Thu, 6 Oct 2005 19:55:10 +0100 Received: from dea.linux-mips.net (localhost.localdomain [127.0.0.1]) by bacchus.net.dhis.org (8.13.4/8.13.1) with ESMTP id j96It4pu017418; Thu, 6 Oct 2005 19:55:04 +0100 Received: (from ralf@localhost) by dea.linux-mips.net (8.13.4/8.13.4/Submit) id j96It4MF017417; Thu, 6 Oct 2005 19:55:04 +0100 Date: Thu, 6 Oct 2005 19:55:04 +0100 From: Ralf Baechle To: Greg Weeks Cc: linux-mips@linux-mips.org, "Cooper, John" Subject: Re: PREEMPT Message-ID: <20051006185504.GD15275@linux-mips.org> References: <43456EA9.8020209@timesys.com> <20051006184656.GA12173@linux-mips.org> <43457266.3090208@timesys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <43457266.3090208@timesys.com> 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: 9170 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 Thu, Oct 06, 2005 at 02:52:22PM -0400, Greg Weeks wrote: > I'd remembered some problems ages ago, but had thought they'd been > fixed. John was just picking my brain about it so I thought I'd ask to > be sure. The problems I recall were all related to being preempted just while fiddling with the hardware FPU - can't happen on the fpu-less 4Kc. Another issue fixesd recently even though more cosmetic were a bunch of global variables. Ralf