Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261877AbTJACXU (ORCPT ); Tue, 30 Sep 2003 22:23:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261879AbTJACXU (ORCPT ); Tue, 30 Sep 2003 22:23:20 -0400 Received: from fmr09.intel.com ([192.52.57.35]:14842 "EHLO hermes.hd.intel.com") by vger.kernel.org with ESMTP id S261877AbTJACXT convert rfc822-to-8bit (ORCPT ); Tue, 30 Sep 2003 22:23:19 -0400 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 Subject: RE: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch Date: Tue, 30 Sep 2003 19:23:14 -0700 Message-ID: <7F740D512C7C1046AB53446D3720017304AFCE@scsmsx402.sc.intel.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch Thread-Index: AcOHwJToeVDJPDRKTO+kS/ahvBW+egAAdsEg From: "Nakajima, Jun" To: "Andrew Morton" Cc: , , , , X-OriginalArrivalTime: 01 Oct 2003 02:23:14.0611 (UTC) FILETIME=[F7BA9030:01C387C2] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Oh, I thought you already closed this issue and you were discussing a different thing. I agree. They kernel should fix up userspace for this CPU errata. Jun > -----Original Message----- > From: Andrew Morton [mailto:akpm@osdl.org] > Sent: Tuesday, September 30, 2003 7:07 PM > 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 > > "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/