From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261938AbTJAHPl (ORCPT ); Wed, 1 Oct 2003 03:15:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261955AbTJAHPl (ORCPT ); Wed, 1 Oct 2003 03:15:41 -0400 Received: from ns.suse.de ([195.135.220.2]:34267 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S261938AbTJAHPk (ORCPT ); Wed, 1 Oct 2003 03:15:40 -0400 To: Jamie Lokier Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch References: <7F740D512C7C1046AB53446D3720017304AFCF@scsmsx402.sc.intel.com.suse.lists.linux.kernel> <20031001053833.GB1131@mail.shareable.org.suse.lists.linux.kernel> <20030930224853.15073447.akpm@osdl.org.suse.lists.linux.kernel> <20031001061348.GE1131@mail.shareable.org.suse.lists.linux.kernel> <20030930233258.37ed9f7f.akpm@osdl.org.suse.lists.linux.kernel> <20031001065705.GI1131@mail.shareable.org.suse.lists.linux.kernel> From: Andi Kleen Date: 01 Oct 2003 09:15:37 +0200 In-Reply-To: <20031001065705.GI1131@mail.shareable.org.suse.lists.linux.kernel> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jamie Lokier writes: > > Btw, does anyone know if the "prefetchw" instruction is affected by > the erratum? I see that in current 2.6, only the "prefetchnta" > instruction is disabled so presumably "prefetchw" is ok? All prefetch instructions on Athlon/Opteron including prefetchw have the problem. prefetchw requires a store instead of a load to hit it though. -Andi