From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 05 Apr 2005 18:41:26 +0100 (BST) Received: from mail.timesys.com ([IPv6:::ffff:65.117.135.102]:55528 "EHLO exchange.timesys.com") by linux-mips.org with ESMTP id ; Tue, 5 Apr 2005 18:41:11 +0100 Received: from [192.168.2.27] ([192.168.2.27]) by exchange.timesys.com with Microsoft SMTPSVC(5.0.2195.6713); Tue, 5 Apr 2005 13:37:01 -0400 Message-ID: <4252CDB1.9060809@timesys.com> Date: Tue, 05 Apr 2005 13:41:05 -0400 From: Greg Weeks User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ralf Baechle CC: linux-mips@linux-mips.org Subject: Re: malta 4kc bus error References: <425277B1.7080501@timesys.com> <20050405162725.GB16601@linux-mips.org> <4252C51F.6040907@timesys.com> <20050405172933.GH16601@linux-mips.org> In-Reply-To: <20050405172933.GH16601@linux-mips.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 05 Apr 2005 17:37:01.0609 (UTC) FILETIME=[13308990:01C53A06] 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: 7598 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: greg.weeks@timesys.com Precedence: bulk X-list: linux-mips Ralf Baechle wrote: >On Tue, Apr 05, 2005 at 01:04:31PM -0400, Greg Weeks wrote: > > > >>It appears to be turned on always now. >> >> > >Correct. > > > >>>From arch/mips/Kconfig >> >>config CPU_MIPS32 >> bool "MIPS32" >> select CPU_SUPPORTS_32BIT_KERNEL >> select CPU_HAS_PREFETCH >> >>I'll try turning it off directly in the memcpy function. >> >> > >That's certainly a hack - but likely to result in the best performance. > > It's the quickest way to find out if it's the problem I'm seeing. It appears to be. Now, what's the best way to fix this for real? Greg Weeks