Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762141AbZDINcf (ORCPT ); Thu, 9 Apr 2009 09:32:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759139AbZDINc0 (ORCPT ); Thu, 9 Apr 2009 09:32:26 -0400 Received: from tx2ehsobe004.messaging.microsoft.com ([65.55.88.14]:8762 "EHLO TX2EHSOBE008.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758748AbZDINcZ (ORCPT ); Thu, 9 Apr 2009 09:32:25 -0400 X-BigFish: VPS-32(z34a4jz13e6S936eQ936fKzz1202hzz5eeeTz32i6bh) X-FB-SS: 5,13, X-WSS-ID: 0KHU5LC-02-0RI-01 Date: Thu, 9 Apr 2009 15:31:53 +0200 From: Andreas Herrmann To: Ingo Molnar , "H. Peter Anvin" CC: Andrew Morton , linux-kernel@vger.kernel.org, Mark Langsdorf Subject: [PATCH 8/8] x86/docs: add description for cache_disable sysfs interface Message-ID: <20090409133153.GL31527@alberich.amd.com> References: <20090409125659.GD31527@alberich.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20090409125659.GD31527@alberich.amd.com> User-Agent: Mutt/1.5.16 (2007-06-09) X-OriginalArrivalTime: 09 Apr 2009 13:31:54.0296 (UTC) FILETIME=[8C1E6B80:01C9B917] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1900 Lines: 52 From: Mark Langsdorf Signed-off-by: Mark Langsdorf Signed-off-by: Andreas Herrmann --- .../ABI/testing/sysfs-devices-cache_disable | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-devices-cache_disable Oops, shouldn't Date and KernelVersion be adapted to reflect 2.6.30 and say June 2009. I don't know. Regards, Andreas diff --git a/Documentation/ABI/testing/sysfs-devices-cache_disable b/Documentation/ABI/testing/sysfs-devices-cache_disable new file mode 100644 index 0000000..175bb4f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-cache_disable @@ -0,0 +1,18 @@ +What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X +Date: August 2008 +KernelVersion: 2.6.27 +Contact: mark.langsdorf@amd.com +Description: These files exist in every cpu's cache index directories. + There are currently 2 cache_disable_# files in each + directory. Reading from these files on a supported + processor will return that cache disable index value + for that processor and node. Writing to one of these + files will cause the specificed cache index to be disabled. + + Currently, only AMD Family 10h Processors support cache index + disable, and only for their L3 caches. See the BIOS and + Kernel Developer's Guide at + http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf + for formatting information and other details on the + cache index disable. +Users: joachim.deguara@amd.com -- 1.6.2 -- 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/