Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265865AbUFTLta (ORCPT ); Sun, 20 Jun 2004 07:49:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265871AbUFTLta (ORCPT ); Sun, 20 Jun 2004 07:49:30 -0400 Received: from cantor.suse.de ([195.135.220.2]:64170 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S265865AbUFTLt2 (ORCPT ); Sun, 20 Jun 2004 07:49:28 -0400 Date: Sun, 20 Jun 2004 15:49:55 +0200 From: Andi Kleen To: "R. J. Wysocki" Cc: linux-kernel@vger.kernel.org, discuss@x86-64.org Subject: Re: Opteron bug Message-Id: <20040620154955.46ffe864.ak@suse.de> In-Reply-To: <200406201347.17967.rjwysocki@sisk.pl> References: <200406192229.14296.rjwysocki@sisk.pl> <20040620152256.4a173a95.ak@suse.de> <200406201347.17967.rjwysocki@sisk.pl> X-Mailer: Sylpheed version 0.9.11 (GTK+ 1.2.10; i686-pc-linux-gnu) 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: 971 Lines: 34 On Sun, 20 Jun 2004 13:47:17 +0200 "R. J. Wysocki" wrote: > On Sunday 20 of June 2004 15:22, Andi Kleen wrote: > > On Sat, 19 Jun 2004 22:29:14 +0200 > > > > "R. J. Wysocki" wrote: > > > Hi, > > > > > > I hope everyone interested in the development for Opteron is aware of the > > > bug described here: > > > > > > http://www.3dchips.net/content/story.php?id=3927 > > > > The kernel never uses backwards REP prefixes. > > So it doesn't matter. :-) Some user space program could still use it. You'll have to live with that. CPUs like all other complex systems have bugs. > Well, is there any case in which the gcc can produce such stuff? With inline assembly only I guess. -Andi - 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/