Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751826AbaKBKpV (ORCPT ); Sun, 2 Nov 2014 05:45:21 -0500 Received: from mail.skyhub.de ([78.46.96.112]:36466 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750973AbaKBKpS (ORCPT ); Sun, 2 Nov 2014 05:45:18 -0500 Date: Sun, 2 Nov 2014 11:45:14 +0100 From: Borislav Petkov To: Tomasz Pala Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, trivial@kernel.org, Aravind Gopalakrishnan Subject: [PATCH] amd64_edac: Document why it is 64-bit only Message-ID: <20141102104514.GC5229@pd.tnic> References: <20141102102212.GA7034@polanet.pl> <20141102103300.GB5229@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20141102103300.GB5229@pd.tnic> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 02, 2014 at 11:33:00AM +0100, Borislav Petkov wrote: > I guess I'll add a note about this in the Kconfig text because I keep > getting patches about this once every couple of months :-) --- From: Borislav Petkov Subject: [PATCH] amd64_edac: Document why it is 64-bit only I keep getting requests for this so let's hold it down why it doesn't make sense. Also, drop incorrect statement about K8 and F10h - this driver supports all relevant AMD CPUs. Cc: Aravind Gopalakrishnan Signed-off-by: Borislav Petkov --- drivers/edac/Kconfig | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index 7072c2892d63..4be205741221 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -105,11 +105,16 @@ config EDAC_GHES In doubt, say 'Y'. config EDAC_AMD64 - tristate "AMD64 (Opteron, Athlon64) K8, F10h" + tristate "AMD64 (Opteron, Athlon64)" depends on EDAC_MM_EDAC && AMD_NB && X86_64 && EDAC_DECODE_MCE help Support for error detection and correction of DRAM ECC errors on - the AMD64 families of memory controllers (K8 and F10h) + the AMD64 families of memory controllers, everything >= K8. + + Note: this driver is 64-bit only on purpose because having a big + driver report errors for 1 or 2 DIMMs max on 32-bit, considering + current DIMM sizes, does not make a lot of sense to be worth the + effort and energy. config EDAC_AMD64_ERROR_INJECTION bool "Sysfs HW Error injection facilities" -- 2.0.0 -- 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/