Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755510Ab1EPNkl (ORCPT ); Mon, 16 May 2011 09:40:41 -0400 Received: from s15228384.onlinehome-server.info ([87.106.30.177]:58875 "EHLO mail.x86-64.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755318Ab1EPNki (ORCPT ); Mon, 16 May 2011 09:40:38 -0400 From: Borislav Petkov To: Ingo Molnar , "H. Peter Anvin" Cc: Greg Kroah-Hartman , Randy Dunlap , Frank Arnold , X86-ML , LKML , Borislav Petkov Subject: [PATCH 3/3] Documentation, ABI: Update L3 cache index disable text Date: Mon, 16 May 2011 15:39:48 +0200 Message-Id: <1305553188-21061-4-git-send-email-bp@amd64.org> X-Mailer: git-send-email 1.7.4.rc2 In-Reply-To: <1305553188-21061-1-git-send-email-bp@amd64.org> References: <1305553188-21061-1-git-send-email-bp@amd64.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2737 Lines: 63 From: Borislav Petkov Change contact person to AMD kernel mailing list, update text and external references, drop "Users:" tag. Cc: Randy Dunlap Cc: Greg Kroah-Hartman Signed-off-by: Borislav Petkov --- Documentation/ABI/testing/sysfs-devices-system-cpu | 34 ++++++++++---------- 1 files changed, 17 insertions(+), 17 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 7564e88..e7be75b 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -183,21 +183,21 @@ Description: Discover and change clock speed of CPUs to learn how to control the knobs. -What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X -Date: August 2008 +What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1} +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://support.amd.com/us/Embedded_TechDocs/31116-Public-GH-BKDG_3-28_5-28-09.pdf - for formatting information and other details on the - cache index disable. -Users: joachim.deguara@amd.com +Contact: discuss@x86-64.org +Description: Disable L3 cache indices + + These files exist in every CPU's cache/index3 directory. Each + cache_disable_{0,1} file corresponds to one disable slot which + can be used to disable a cache index. Reading from these files + on a processor with this functionality will return the currently + disabled index for that node. There is one L3 structure per + node, or per internal node on MCM machines. Writing a valid + index to one of these files will cause the specificed cache + index to be disabled. + + All AMD processors with L3 caches provide this functionality. + For details, see BKDGs at + http://developer.amd.com/documentation/guides/Pages/default.aspx -- 1.7.4.rc2 -- 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/