From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f53.google.com (mail-wm0-f53.google.com [74.125.82.53]) by kanga.kvack.org (Postfix) with ESMTP id BF3DC6B0009 for ; Wed, 10 Feb 2016 06:06:07 -0500 (EST) Received: by mail-wm0-f53.google.com with SMTP id g62so21953739wme.0 for ; Wed, 10 Feb 2016 03:06:07 -0800 (PST) Received: from mail.skyhub.de (mail.skyhub.de. [2a01:4f8:120:8448::d00d]) by mx.google.com with ESMTP id hi5si3816670wjc.236.2016.02.10.03.06.06 for ; Wed, 10 Feb 2016 03:06:06 -0800 (PST) Date: Wed, 10 Feb 2016 12:06:03 +0100 From: Borislav Petkov 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org