Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261853AbTJACGT (ORCPT ); Tue, 30 Sep 2003 22:06:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261874AbTJACGS (ORCPT ); Tue, 30 Sep 2003 22:06:18 -0400 Received: from fw.osdl.org ([65.172.181.6]:10214 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261853AbTJACGS (ORCPT ); Tue, 30 Sep 2003 22:06:18 -0400 Date: Tue, 30 Sep 2003 19:07:11 -0700 From: Andrew Morton To: "Nakajima, Jun" Cc: jamie@shareable.org, davej@redhat.com, torvalds@osdl.org, linux-kernel@vger.kernel.org, richard.brunner@amd.com Subject: Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch Message-Id: <20030930190711.6b8b731e.akpm@osdl.org> In-Reply-To: <7F740D512C7C1046AB53446D3720017304AFCD@scsmsx402.sc.intel.com> References: <7F740D512C7C1046AB53446D3720017304AFCD@scsmsx402.sc.intel.com> X-Mailer: Sylpheed version 0.9.4 (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 "Nakajima, Jun" wrote: > > > I think we should fix up userspace. > What do you mean by this? Patch user code at runtime (it's much more > complex than it sounds) or remove prefetch instructions from userspace? Detect when user code stumbles over this CPU errata and make it look like nothing happened. - 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/