From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 08 Jul 2008 14:04:07 +0100 (BST) Received: from [217.169.26.28] ([217.169.26.28]:16010 "EHLO vigor.karmaclothing.net") by ftp.linux-mips.org with ESMTP id S20022905AbYGHND4 (ORCPT ); Tue, 8 Jul 2008 14:03:56 +0100 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by vigor.karmaclothing.net (8.14.1/8.14.1) with ESMTP id m68D2aai029514; Tue, 8 Jul 2008 14:03:02 +0100 Received: (from ralf@localhost) by denk.linux-mips.net (8.14.1/8.14.1/Submit) id m68D2ZKr029513; Tue, 8 Jul 2008 14:02:35 +0100 Date: Tue, 8 Jul 2008 14:02:34 +0100 From: Ralf Baechle To: Thomas Bogendoerfer Cc: linux-mips@linux-mips.org Subject: Re: [PATCH] Fix 32bit kernels on R4k with 128 byte cache line size Message-ID: <20080708130234.GA29470@linux-mips.org> References: <20080708124634.4EDFBC3562@solo.franken.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080708124634.4EDFBC3562@solo.franken.de> User-Agent: Mutt/1.5.17 (2007-11-01) 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: 19737 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 Tue, Jul 08, 2008 at 02:46:34PM +0200, Thomas Bogendoerfer wrote: > The generated copy_page for R4k CPU with a 128 byte cache line size used > Create Dirty Exclusive cache line operations even if only part of the > cache line was filled. This change avoids generating cache operations, > if only part of the cache line size is copied in one loop. It also > increases the maxmimum loop size, because the generated code even fits > into the available space for r4k CPUs with 128 byte cache line size. > > Signed-off-by: Thomas Bogendoerfer Thanks - another important fix in the last minute ... Applied, will send to Linus tonight. Ralf