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Fri, 23 Oct 2026 23:46:24 +0000 Message-ID: Date: Fri, 23 Oct 2026 16:46:22 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 02/12] x86/resctrl: Require 64-bit x86 for resctrl support To: Chen Yu , CC: , , , , , , , , , , References: <2d718521cb64f27bb14a377da41121f890f77d43.1791933001.git.yu.c.chen@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <2d718521cb64f27bb14a377da41121f890f77d43.1791933001.git.yu.c.chen@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0077.namprd03.prod.outlook.com (2603:10b6:303:b6::22) To SJ2PR11MB8370.namprd11.prod.outlook.com (2603:10b6:a03:540::20) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB8370:EE_|PH7PR11MB5959:EE_ X-MS-Office365-Filtering-Correlation-Id: 9923bf1c-938a-424c-370b-08df315fd906 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016|23010399003|10067099003|4143699003|11063799006|56012099006|261021121427099003|261022075727099003|261022105027099003|261009223027099003|18002099003|22082099003|6133799003; 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For accurate results these should be read with a > single 64-bit load operation from the CPU. > > In preparation for the removal of the separate CONFIG_X86_CPU_RESCTRL_INTEL_AET > configuration option, move the X86_64 dependency to X86_CPU_RESCTRL. > > This is in line with Dave Hansen's proposal[1] for an addition to Linux > documentation that details reduced 32-bit x86 support. > > Signed-off-by: Tony Luck > Signed-off-by: Chen Yu > Link: https://lore.kernel.org/all/c6ab0c24-8931-4f0d-9be6-23498ab4c38b@intel.com/ # [1] > --- > Changes since v8: > - Pick up the latest version of this patch from the AET series so that > both series carry identical versions. Changelog wording only, no code Please do continue to keep a note in patch changelog explaining that this is picked from the AET work to help explain why the changelog is unrelated to rest of the series. Reviewed-by: Reinette Chatre Reinette