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Tue, 27 Oct 2026 08:07:18 +0000 Date: Tue, 27 Oct 2026 15:54:27 +0800 From: Chen Yu To: Reinette Chatre CC: , , , , , , , , , , , Subject: Re: [PATCH v9 02/12] x86/resctrl: Require 64-bit x86 for resctrl support Message-ID: References: <2d718521cb64f27bb14a377da41121f890f77d43.1791933001.git.yu.c.chen@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: PUZP153CA0017.APCP153.PROD.OUTLOOK.COM (2603:1096:301:c2::19) To DM4PR11MB6020.namprd11.prod.outlook.com (2603:10b6:8:61::19) 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: DM4PR11MB6020:EE_|CYYPR11MB8407:EE_ X-MS-Office365-Filtering-Correlation-Id: b1224df5-f313-4833-6159-08df340151c5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|23010399003|7416014|1800799024|366016|261026121527099003|11063799006|4143699003|56012099006|261009223027099003|261022075727099003|261022105027099003|261021121427099003|10067099003|22082099003|6133799003|18002099003|261026140227099003; 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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. > Sure, I will keep that note in v10's changelog. > Reviewed-by: Reinette Chatre > Thanks! thanks, Chenyu