From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 10 Jan 2001 19:25:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 10 Jan 2001 19:25:00 -0500 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:16647 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Wed, 10 Jan 2001 19:24:50 -0500 Subject: Re: Subtle MM bug To: tao@acc.umu.se (David Weinehall) Date: Thu, 11 Jan 2001 00:24:20 +0000 (GMT) Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), torvalds@transmeta.com (Linus Torvalds), ebiederm@xmission.com (Eric W. Biederman), andrea@suse.de (Andrea Arcangeli), dwmw2@infradead.org (David Woodhouse), zlatko@iskon.hr (Zlatko Calusic), riel@conectiva.com.br (Rik van Riel), linux-kernel@vger.kernel.org In-Reply-To: <20010111005657.B2243@khan.acc.umu.se> from "David Weinehall" at Jan 11, 2001 12:56:57 AM X-Mailer: ELM [version 2.5 PL1] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > The MMU on these systems is a CAM, and the mmu table is thus backwards to > > convention. (It also means you can notionally map two physical addresses to > > one virtual but thats undefined in the implementation ;)) > > Are there any other (not yet supported) platforms with similar (or other > unrelated, but hard to support because of the current architecture of > the kernel) problems? I believe its uniquely deranged. There are people who have asked for reverse tables for other purposes (eg cache flush handling) but their mmu is the normal way around. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/