From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 18 May 2004 23:07:22 +0100 (BST) Received: from the-village.bc.nu ([IPv6:::ffff:81.2.110.252]:4226 "EHLO localhost.localdomain") by linux-mips.org with ESMTP id ; Tue, 18 May 2004 23:07:21 +0100 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by localhost.localdomain (8.12.11/8.12.11) with ESMTP id i4IIOoFt010581; Tue, 18 May 2004 19:24:56 +0100 Received: (from alan@localhost) by localhost.localdomain (8.12.11/8.12.11/Submit) id i4IIOaRt010580; Tue, 18 May 2004 19:24:37 +0100 X-Authentication-Warning: localhost.localdomain: alan set sender to alan@lxorguk.ukuu.org.uk using -f Subject: Re: problems on D-cache alias in 2.4.22 From: Alan Cox To: Ralf Baechle Cc: Peter Horton , Jun Sun , Bob Breuer , linux-mips@linux-mips.org In-Reply-To: <20040518195055.GB2454@linux-mips.org> References: <20040518114519.C5390@mvista.com> <20040518191019.GA11007@skeleton-jack> <20040518195055.GB2454@linux-mips.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1084904673.10535.9.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 18 May 2004 19:24:34 +0100 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: 5079 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: alan@lxorguk.ukuu.org.uk Precedence: bulk X-list: linux-mips On Maw, 2004-05-18 at 20:50, Ralf Baechle wrote: > Carelessly written PIO drivers on any architecture would suffer from this > kind of problem. It isnt a driver problem. (Ramdisk is a bit special as you get aliases in funny ways). The block and page cache is responsible for sorting this out.