From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 06 Oct 2005 17:41:15 +0100 (BST) Received: from extgw-uk.mips.com ([62.254.210.129]:64014 "EHLO bacchus.net.dhis.org") by ftp.linux-mips.org with ESMTP id S8133533AbVJFQlA (ORCPT ); Thu, 6 Oct 2005 17:41:00 +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 j96Getud002174; Thu, 6 Oct 2005 17:40:55 +0100 Received: (from ralf@localhost) by dea.linux-mips.net (8.13.4/8.13.4/Submit) id j96Geq7f002173; Thu, 6 Oct 2005 17:40:52 +0100 Date: Thu, 6 Oct 2005 17:40:52 +0100 From: Ralf Baechle To: Atsushi Nemoto Cc: linux-mips@linux-mips.org Subject: Re: [PATCH] protect CU1 bit manipulation from preempt Message-ID: <20051006164052.GB15275@linux-mips.org> References: <20051007.004359.25909892.anemo@mba.ocn.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051007.004359.25909892.anemo@mba.ocn.ne.jp> 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: 9163 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 Fri, Oct 07, 2005 at 12:43:59AM +0900, Atsushi Nemoto wrote: > The ptrace temporarily enable CP1 without fpu-ownership. These > regions should be protected from preempt. Applied with quite some additions to take care of the MT ASE as well. Ralf