Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266214AbUA1WVs (ORCPT ); Wed, 28 Jan 2004 17:21:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266201AbUA1WVs (ORCPT ); Wed, 28 Jan 2004 17:21:48 -0500 Received: from fw.osdl.org ([65.172.181.6]:50853 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266142AbUA1WVq (ORCPT ); Wed, 28 Jan 2004 17:21:46 -0500 Date: Wed, 28 Jan 2004 14:21:40 -0800 (PST) From: Linus Torvalds To: Andi Kleen cc: willy@debian.org, ishii.hironobu@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org Subject: Re: [RFC/PATCH, 2/4] readX_check() performance evaluation In-Reply-To: <20040128225205.02193769.ak@suse.de> Message-ID: References: <00a301c3e541$c13a6350$2987110a@lsd.css.fujitsu.com> <20040128182003.GL11844@parcelfarce.linux.theplanet.co.uk> <20040128204049.627e6312.ak@suse.de> <20040128211554.0cc890fb.ak@suse.de> <20040128220921.7ba0bb78.ak@suse.de> <20040128225205.02193769.ak@suse.de> 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 Content-Length: 661 Lines: 20 On Wed, 28 Jan 2004, Andi Kleen wrote: > > I have no idea how to do such an synchronization on i386/x86-64. E.g. Opteron > chipsets would likely support MCEs for bus aborts, but there is no way to > synchronize it for writes. Doing a status read from the device should do it (just read the config space, for example). But remember: I suspect there are very _very_ few people who care at that stage. Linus - 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/