Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754662AbXFOMtj (ORCPT ); Fri, 15 Jun 2007 08:49:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756344AbXFOMt3 (ORCPT ); Fri, 15 Jun 2007 08:49:29 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:58691 "EHLO the-village.bc.nu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1756206AbXFOMt1 (ORCPT ); Fri, 15 Jun 2007 08:49:27 -0400 Date: Fri, 15 Jun 2007 13:54:20 +0100 From: Alan Cox To: Andi Kleen Cc: David Howells , Arnd Bergmann , Benjamin Herrenschmidt , David Woodhouse , Linux Kernel Mailing List , Dave Airlie , linux-arch@vger.kernel.org, Andrew Morton Subject: Re: [PATCH] Introduce compat_u64 and compat_s64 types Message-ID: <20070615135420.7fe2e4c1@the-village.bc.nu> In-Reply-To: <200706151443.13511.ak@suse.de> References: <200706151355.57464.ak@suse.de> <200706151131.38429.arnd@arndb.de> <5717.1181909357@redhat.com> <200706151443.13511.ak@suse.de> X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.8; i386-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 22 > > > Why does it break them? It should just make them a little slower. > > Not all CPUs deliver recoverable misalignment exceptions. > These CPUs are too broken to run Linux then. People fixed that up > > > > The network code requires unaligned accesses to work anyways so if your > > > architecture doesn't support them it is already remotely crashable. > > > > I thought we'd fixed all that. > > Did you audit the complete network stack? For the parts used by the processors in question yes people have done that work so using the types without unaligned. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/