Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756959Ab3HONpA (ORCPT ); Thu, 15 Aug 2013 09:45:00 -0400 Received: from mail.skyhub.de ([78.46.96.112]:35991 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754821Ab3HONo5 (ORCPT ); Thu, 15 Aug 2013 09:44:57 -0400 Date: Thu, 15 Aug 2013 15:44:54 +0200 From: Borislav Petkov To: Mauro Carvalho Chehab Cc: "Naveen N. Rao" , tony.luck@intel.com, bhelgaas@google.com, rostedt@goodmis.org, rjw@sisk.pl, lance.ortiz@hp.com, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event Message-ID: <20130815134454.GF27616@pd.tnic> References: <5208D80D.5030206@linux.vnet.ibm.com> <20130812125343.GE18018@pd.tnic> <520A16BD.30201@linux.vnet.ibm.com> <20130813124258.GC4077@pd.tnic> <520A6D98.9060204@linux.vnet.ibm.com> <20130813175809.GE4077@pd.tnic> <520B6282.6030906@linux.vnet.ibm.com> <20130814212211.544ee6a4@concha.lan> <20130815093831.GA27616@pd.tnic> <20130815102607.7168a930@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20130815102607.7168a930@samsung.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1032 Lines: 28 On Thu, Aug 15, 2013 at 10:26:07AM -0300, Mauro Carvalho Chehab wrote: > I mean that the edac core needs to know that, on a given system, the > BIOS is accessing the hardware registers and sending the data via > ghes_edac. Right, that's the firmware-first thing which Naveen did - see mce_disable_bank. > No. As we want that fatal errors to also be properly reported, the > kernel will still need to know the memory layout. Read what I said: if you have the silkscreen label you don't need the memory layout - you *already* *know* which DIMM is affected. Also, fatal errors are a whole different beast where we run in NMI context or we even don't get to run the #MC handler on some systems. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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/