From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 8BD127D913 for ; Fri, 7 Jun 2019 15:14:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729912AbfFGPOb (ORCPT ); Fri, 7 Jun 2019 11:14:31 -0400 Received: from foss.arm.com ([217.140.110.172]:42434 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728486AbfFGPOa (ORCPT ); Fri, 7 Jun 2019 11:14:30 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 81E5B367; Fri, 7 Jun 2019 08:14:30 -0700 (PDT) Received: from eglon.cambridge.arm.com (eglon.cambridge.arm.com [10.1.196.105]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 633B33F718; Fri, 7 Jun 2019 08:14:29 -0700 (PDT) From: James Morse To: linux-doc@vger.kernel.org, x86@kernel.org Cc: Jonathan Corbet , Reinette Chatre , Fenghua Yu , Babu Moger , linux-kernel@vger.kernel.org, James Morse Subject: [PATCH 3/4] Documentation: x86: Clarify MBA takes MB as referring to mba_sc Date: Fri, 7 Jun 2019 16:14:08 +0100 Message-Id: <20190607151409.15476-4-james.morse@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190607151409.15476-1-james.morse@arm.com> References: <20190607151409.15476-1-james.morse@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org "If the MBA is specified in MB then user can enter the max b/w in MB" is a tautology. How can the user know if the schemata takes a percentage or a MB/s value? This is referring to whether the software controller is interpreting the schemata's value. Make this clear. Signed-off-by: James Morse --- Documentation/x86/resctrl_ui.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/x86/resctrl_ui.rst b/Documentation/x86/resctrl_ui.rst index 638cd987937d..866b66aa289b 100644 --- a/Documentation/x86/resctrl_ui.rst +++ b/Documentation/x86/resctrl_ui.rst @@ -677,8 +677,8 @@ allocations can overlap or not. The allocations specifies the maximum b/w that the group may be able to use and the system admin can configure the b/w accordingly. -If the MBA is specified in MB(megabytes) then user can enter the max b/w in MB -rather than the percentage values. +If resctrl is using the software controller (mba_sc) then user can enter the +max b/w in MB rather than the percentage values. :: # echo "L3:0=3;1=c\nMB:0=1024;1=500" > /sys/fs/resctrl/p0/schemata -- 2.20.1