From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ns.suse.de ([195.135.220.2]:47409 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754851AbXFOMnv (ORCPT ); Fri, 15 Jun 2007 08:43:51 -0400 From: Andi Kleen Subject: Re: [PATCH] Introduce compat_u64 and compat_s64 types Date: Fri, 15 Jun 2007 14:43:12 +0200 References: <200706151355.57464.ak@suse.de> <200706151131.38429.arnd@arndb.de> <5717.1181909357@redhat.com> In-Reply-To: <5717.1181909357@redhat.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200706151443.13511.ak@suse.de> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org To: David Howells Cc: Arnd Bergmann , Benjamin Herrenschmidt , David Woodhouse , Linux Kernel Mailing List , Dave Airlie , linux-arch@vger.kernel.org, Andrew Morton List-ID: On Friday 15 une 2007 14:09, David Howells wrote: > Andi Kleen wrote: > > 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. > > 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? -Andi