From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 14 Apr 2003 17:01:09 +0100 (BST) Received: from p508B5EC1.dip.t-dialin.net ([IPv6:::ffff:80.139.94.193]:65153 "EHLO dea.linux-mips.net") by linux-mips.org with ESMTP id ; Mon, 14 Apr 2003 17:01:08 +0100 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.6) id h3EFmQF18553; Mon, 14 Apr 2003 17:48:26 +0200 Date: Mon, 14 Apr 2003 17:48:25 +0200 From: Ralf Baechle To: Atsushi Nemoto Cc: nemoto@toshiba-tops.co.jp, linux-mips@linux-mips.org Subject: Re: End c-tx49.c's misserable existence Message-ID: <20030414174825.A9808@linux-mips.org> References: <20030412163215Z8225197-1272+1264@linux-mips.org> <20030414.123514.74756574.nemoto@toshiba-tops.co.jp> <20030414055038.A29923@linux-mips.org> <20030414.152903.41628304.nemoto@toshiba-tops.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030414.152903.41628304.nemoto@toshiba-tops.co.jp>; from anemo@mba.ocn.ne.jp on Mon, Apr 14, 2003 at 03:29:03PM +0900 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: 2025 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, Apr 14, 2003 at 03:29:03PM +0900, Atsushi Nemoto wrote: > >>>>> On Mon, 14 Apr 2003 05:50:38 +0200, Ralf Baechle said: > ralf> Excellent. This should provide a good performance boost for the > ralf> TX49 also as disabling the I-cache during the flush made the > ralf> operation even slower than it has to be. > > Thank you for quick response. > > One more request. Please enclose R4600_V1_HIT_CACHEOP_WAR and > R4600_V2_HIT_CACHEOP_WAR with appropriate CONFIG_CPU_XXX. I do not > know what CPUs need this workaround... (at least TX49 does not need > this) I'll leave it unconditionally enabled for now because the Makefiles could behave in undefined ways if multiple CONFIG_CPU_* options are selected and quite a few systems support both the R4600 and other processors like the Indy. Another day. Ralf