From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933738AbcIHG7T (ORCPT ); Thu, 8 Sep 2016 02:59:19 -0400 Received: from mga05.intel.com ([192.55.52.43]:22481 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933033AbcIHG63 (ORCPT ); Thu, 8 Sep 2016 02:58:29 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,298,1470726000"; d="scan'208";a="1052967087" From: "Fenghua Yu" To: "Thomas Gleixner" , "H. Peter Anvin" , "Ingo Molnar" , "Tony Luck" , "Peter Zijlstra" , "Tejun Heo" , "Borislav Petkov" , "Stephane Eranian" , "Marcelo Tosatti" , "David Carrillo-Cisneros" , "Shaohua Li" , "Ravi V Shankar" , "Vikas Shivappa" , "Sai Prakhya" Cc: "linux-kernel" , "x86" , Fenghua Yu Subject: [PATCH v2 31/33] Documentation/kernel-parameters: Add kernel parameter "resctrl" for CAT Date: Thu, 8 Sep 2016 02:57:25 -0700 Message-Id: <1473328647-33116-32-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 1.8.0.1 In-Reply-To: <1473328647-33116-1-git-send-email-fenghua.yu@intel.com> References: <1473328647-33116-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fenghua Yu Add kernel parameter "resctrl" for CAT L3: resctrl=disable_cat_l3: disable CAT L3 resctrl=simulate_cat_l3: simulate CAT L3 Signed-off-by: Fenghua Yu --- Documentation/kernel-parameters.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a4f4d69..1240a4f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3692,6 +3692,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Memory area to be used by remote processor image, managed by CMA. + resctrl= [X86] Resource control + Format: + [disable_cat_l3][,simulate_cat_l3] + + disable_cat_l3 - Disable CAT L3. By default, CAT L3 + is enabled. + + simulate_cat_l3 - Simulate CAT L3 on a machine that + doesn't have the feature. In the + simulation, max closid is 16 and + max cbm lenghth is 20, and host + machine's cache hierarchy is used. + rw [KNL] Mount root device read-write on boot S [KNL] Run init in single mode -- 2.5.0