From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753729AbcBJLGJ (ORCPT ); Wed, 10 Feb 2016 06:06:09 -0500 Received: from mail.skyhub.de ([78.46.96.112]:33284 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753530AbcBJLGH (ORCPT ); Wed, 10 Feb 2016 06:06:07 -0500 Date: Wed, 10 Feb 2016 12:06:03 +0100 From: Borislav Petkov To: "Luck, Tony" Cc: Ingo Molnar , Andrew Morton , Andy Lutomirski , Dan Williams , elliott@hpe.com, Brian Gerst , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@ml01.01.org, x86@kernel.org Subject: Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for machine check recovery Message-ID: <20160210110603.GE23914@pd.tnic> References: <97426a50c5667bb81a28340b820b371d7fadb6fa.1454618190.git.tony.luck@intel.com> <20160207171041.GG5862@pd.tnic> <20160209233857.GA24348@agluck-desk.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20160209233857.GA24348@agluck-desk.sc.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 09, 2016 at 03:38:57PM -0800, Luck, Tony wrote: > We use the same model number for E5 and E7 series. E.g. 63 for Haswell. > The model_id string seems to be the only way to tell ahead of time > whether you will get a recoverable machine check or die when you > touch uncorrected memory. What about MSR_IA32_PLATFORM_ID or some other MSR or register, for example? I.e., isn't there some other, more reliable distinction between E5 and E7 besides the model ID? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.