Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753155AbZALBCS (ORCPT ); Sun, 11 Jan 2009 20:02:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751511AbZALBCE (ORCPT ); Sun, 11 Jan 2009 20:02:04 -0500 Received: from terminus.zytor.com ([198.137.202.10]:43776 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751424AbZALBCD (ORCPT ); Sun, 11 Jan 2009 20:02:03 -0500 Message-ID: <496A965F.6050209@zytor.com> Date: Sun, 11 Jan 2009 17:01:19 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Mike Travis CC: Ingo Molnar , Dieter Ries , Thomas Gleixner , rusty@rustcorp.com.au, linux-kernel@vger.kernel.org Subject: Re: 2.6.29-rc1 does not boot References: <496A085E.8020604@gmx.de> <20090111151924.GA5722@elte.hu> <496A107A.2090301@gmx.de> <20090111153548.GB7401@elte.hu> <496A3F62.8090902@gmx.de> <20090111190218.GA18651@elte.hu> <496A451C.5030400@sgi.com> In-Reply-To: <496A451C.5030400@sgi.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 795 Lines: 23 Mike Travis wrote: > > About the return 0, it was the default return for another error case. > Should the function panic because it can't read a cpu reg? That seems > wrong too. > The only other error case I see is when the value simply is zero by definition. This is a memory allocation failure, which is quite a bit different -- the former is that the query *can't* be answered, the latter that the query *won't* be answered... -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/