From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADBA6289E0E for ; Thu, 3 Jul 2025 18:27:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.9 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751567266; cv=fail; b=pwpID158JujP2UBtZpLXY4WD7edAuUs0M+doR6I/SxNKpbGngZGopI8Bq835L6rJXZGPScrBk18FD9fv4+r5W9dMI99SQ9aVeiqFf++IWCC7WmeVE+o5R+8IbkvohcspzFEcQCygZx4sttVkefvtYzY7KA8mjQ7CbsJS/2hBWHE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751567266; c=relaxed/simple; bh=tbyMswwDstZAvbEFolIP/phPzQ2r8xBF3joera+LPXc=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=rnGd9RhihyWbtjbmRv8RRwSq+vMD52aDaDj3JmQM81ymcZJZHFkPukkHELw1CPZj+JLvVYI7JuiclfxfjkSyBy/jcWI2N/i2w6upNuWQJJ++m2AxLX2JKCT5jvC1sFe79J5G3Q5xUuK2yhdue7olVED2+t4zJT4vcbJJ7whxQTQ= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=GTYWjrST; arc=fail smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="GTYWjrST" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751567265; x=1783103265; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=tbyMswwDstZAvbEFolIP/phPzQ2r8xBF3joera+LPXc=; b=GTYWjrSTk71Iw51+psQsZz5kk7+YgHkOnFwyat2ZgCNprL6SIDRfqRLt Xb8vmc1hcRs+7yZUcP2riKMeKzhZhB6lc5KU4CfQ3/yAEKJjWiw9WxIO5 +/pEEZQNw3xWZ+oI/ugMVYuCHHusazcOrTMSCBUaeJaRxJj7l/y3SOppn 9M/jr9c/ZserUI1mvoS3R0YRUN+ZiomapKDCsK4IOjAgBricz844E0mEp C9qdmexnvYr+9WbP32oo1r6g+i5dWKXd2WoqF0K1mRdzo28wjdN8bAPXY 54MMpMsexzAfx43qZy61yFr+WhPrOAuErfUwMAhinQ1UQUl7AIcGzULCI g==; X-CSE-ConnectionGUID: aYLm4MszQIG48cL3iXhwoQ== X-CSE-MsgGUID: kY8wBRpATguTayfhoYMiXg== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="76453302" X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="76453302" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 11:27:44 -0700 X-CSE-ConnectionGUID: Qe7OENESRHmWaxi25sTa6A== X-CSE-MsgGUID: b5NTxVhARc23RSoFLTo0xg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="154811887" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by fmviesa009.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 11:27:43 -0700 Received: from ORSMSX902.amr.corp.intel.com (10.22.229.24) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Thu, 3 Jul 2025 11:27:43 -0700 Received: from ORSEDG901.ED.cps.intel.com (10.7.248.11) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25 via Frontend Transport; Thu, 3 Jul 2025 11:27:43 -0700 Received: from NAM04-MW2-obe.outbound.protection.outlook.com (40.107.101.63) by edgegateway.intel.com (134.134.137.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Thu, 3 Jul 2025 11:27:42 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=TBT4BALEvd2+Mn5SyaEEb48vkefnBX3TDGO6H3SHLRjxfFZWQzngSft4f5xuWdJMQB9/kplNPGvLRgRmEGLWCxB6GQoaw3DXz89DDyy3YLOZZPL7Hnc2fTy2IhXpGnkp21JDva6eEybZFyvmtEC5ZPxfZ1NkciCyPjZWE9T+Jomv/GFowv2pVRDES5G9OUgoe+GgW77Bb5WiNxW+ufSE/LQY3z9O15MI+IV0p1Y4CSzun21n+s3Y/o/6Hs3OlAQYixcqCmEq9MyUT93YXfJ/DFDUP60wTXY+Mj91rIVbxzmXCre3w99QTX2os2sHCvybfpRLdgVKN8DSNlDziMXP7A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=kDxljzFVD85ty7nnakdwydUjWiKCp6ABK5CnlPn2Bb0=; b=kXFhGnAinugjukw4PcMYXYSOqY+g2+lVHZj1E0nRSLQpAhSqNz7YlpNAaGp3Evdyz+dwo5kcKTmumgiLkCkOpLVWJ1BVmDb1nX0jOCad8wAE1e0iWejqKL83VuP4geHlDkJa5Y/Praze/86ozlIGvIs+OarW+K6G2ChI+K5sDW2Fk28/LTfDxITXz7Yp+aBj06qyTV57hjWl9XDFv86302446BUYtLw/fGvhD8CxgjpcJYbTIN3BUhp2De4xWuZwUHEfGSiJ7bIoFuO4gRUO5+4fg2Vp3hI5EM+ZJ2gsjWIssBJ7aFqXbGkg43xRr8L5O2CCmfGc40YkzsyA9xSeUA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) by DS4PPFAC42FDD50.namprd11.prod.outlook.com (2603:10b6:f:fc02::46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.27; Thu, 3 Jul 2025 18:27:22 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf%6]) with mapi id 15.20.8901.018; Thu, 3 Jul 2025 18:27:22 +0000 Message-ID: Date: Thu, 3 Jul 2025 11:27:19 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 17/30] x86/resctrl: Discover hardware telemetry events To: "Luck, Tony" , Fenghua Yu , Maciej Wieczor-Retman , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Anil Keshavamurthy , Chen Yu CC: , , References: <20250626164941.106341-1-tony.luck@intel.com> <20250626164941.106341-18-tony.luck@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0348.namprd03.prod.outlook.com (2603:10b6:303:dc::23) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|DS4PPFAC42FDD50:EE_ X-MS-Office365-Filtering-Correlation-Id: bd1c3101-398e-4fbd-c877-08ddba5f401d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?B?V21kKzZmcmNOTFpwVmptdzMrUFRXS25Od3ZqK3U0dVRNQ0ZCRWJSOTh3MzZq?= =?utf-8?B?MHR4ZjhOQWJxeVk0ZXAyQUN4eEd1TVp6aWk3ZEN6eFB1d0x1amwyUnZvK2tJ?= =?utf-8?B?MVRjZ2R5ZGhSZ2J6V2hnNTVHK3VUcUVSL0t0OGVLZ0VSVW5HZGd3Ky9ldW9l?= =?utf-8?B?VHdqRjhXNlpXOW1jRC82MnYydHZoMzI4Nnl3RWc4MmtpUG5VMkZwZW9pOXBa?= =?utf-8?B?a1EvTzNMMmtqR2h4aW9QUzhWazRnS1NrRTUyWGo5K0puQjNqamdEenJoNG0v?= =?utf-8?B?ZlZPeEppcEI0aFpUaGNYbnl3U3dDWGYyMk1qd1lUdndCTUluZ2V4dVB0NWJX?= =?utf-8?B?TWJBaUkvUjlLVHpIRVZBeXllSHFBYkhzbDBPU3ZjTGJSbXhTaUZ6ZjBHTi9p?= =?utf-8?B?c2ZNMU9BV0Q2Ky9zbnlKa0lqeUZiOEFGTGlwR0NHMVloZ2dQK05QUVJnMlVL?= =?utf-8?B?ZlZmY2gweE15ZGNzZGF1R1hHQkRTbldQSnBHY1pOSGtJeFMvNWJ2aHBTU1pT?= =?utf-8?B?RVdtRVo5QUtML2JldlliVU50WGV5ZjRleFZkUDluYmRIWG5nVk1IdEo1ajE3?= =?utf-8?B?OExDZ3FjdjZPUlRPOHVYdTFmVFA2RmxZTG5hWWpjeWhONmthek8yVUxDSmF3?= =?utf-8?B?Z1hxTFN2dXV0YzNXdksyWkFTWkZQNlFvSG9wS1V4SnQ5U04wM0dXbE41UDVu?= =?utf-8?B?V05wc3EwNWQxQ2M3SjNGR2lOcDYrdUM5VTBCdU5xRkVUdGtYUFFPWC9Yajhn?= =?utf-8?B?Zkl2aFNYZ2dUTEVMZkFGT3o1RUpUZzZsY0plbkd0MHlIYVNtMXNXazMzYS9W?= =?utf-8?B?cGYzK1JUKytnZ205Sk9jQ3lhRFB0STl2blEwb2xPZk9qZEZFakliS1krKzI5?= =?utf-8?B?bTJjTWJxWGNFcG9tMlE1cTVHb1UyMmhxcXNOUjlzTVBneWhieTRSY1ozZzZj?= =?utf-8?B?ai9Sa3NLZ25UNzloMW1ET2t5aUtPREZkRXMxWkFNV0VJWmtTV0ttVW5CNk9D?= =?utf-8?B?U2lEYTJVSkFZbEhjTlRjRVZKczdvNEs1WWxJMCtUZWVIZjNCUng0QVhpZTdY?= =?utf-8?B?MlQycnVQTDhJUHd5ZWtkNE1LSnpXVDM2NVJkYmFRcVo1R1BDOUxmTWdFTndq?= =?utf-8?B?N3FSMTBBSy9hcEJKaVBFdGwxdmk0NG4xYTI0eUkyYlVjbWZqbGwrelZ2cHdH?= =?utf-8?B?SEd3NVZUKytkSU1obUJFSHErTVFHbGd4ZDVRdmZtenVILzUwN0s2Z29IbFoz?= =?utf-8?B?Tnk1ekxLQ2grc0NOS1l3VjllUzJoSVF6SGZ3ZmxzcmFlTS9RMFB2VmJrYWdv?= =?utf-8?B?VFNQcXAzRnBKSWRvc0JLV0ZhK0Jnb2RFZVJjbURUQjhqQ0U0VHMwcHg3TWNW?= =?utf-8?B?UzNNTW12M3ZJblpMLzBua0t3aENobjk2aTFUampQMUlyQ3NjMHNWNWYxeHVo?= =?utf-8?B?K0RCVnp3NUhMaFlDcTljMDBwL2p0KzlKMHJhRmRKQ20vNnBmeUxWaHpHeXdT?= =?utf-8?B?azh3UzJ6cWFLMnNOSmpUVjJtVU52RFU4OWd2c0x2M0ZudTRCSjg3OE5SVE02?= =?utf-8?B?OEM0Z1FSUUlaWEp5WVJSRks3N1AyaUVkZFF5WFhiWE9SaXRGWHBWamt1TGJL?= =?utf-8?B?d3VUczVCUnp6TFVhdGJiWFJFWXZpbWVpZk9USVllSllLVTkrc3lrZkRZQUhY?= =?utf-8?B?TU10Z0gwM0JmQjA4OURZUkMyWmxDWmlIZkZhbXhoMlRqbGJ1aDZzTC9vZnJG?= =?utf-8?B?Q3dvQVlxSEsvKzd5eG90M1kvMEFzMU1xTnoxUmFQM1Z0Zjc5YUJyMkFzTERz?= =?utf-8?B?SzBiWEUrekRIMjFabVQ4bHRLTElmZWV2VnlpK0pXR2EzUnBDN1NTV3FsTTN5?= =?utf-8?B?QkhDQzdTOWxLV1BIdnZJVk1PeVlvK2hFdjIvU2g5SmVVWWRZd01OUEdIVUNr?= =?utf-8?B?QUNKeUcwWkVMZXAxNHcyUXp6QjBuWkNnQjQrTERKMlZBOXVoNzluNEh2Rmxn?= =?utf-8?B?aDZUNVV5OTlBPT0=?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ2PR11MB7573.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZFFNSmRJOHNVbGRqbkp2UnVkZnIyZ3U5UFVmR0o5VWwvQXZuTGkveC9IdEx3?= =?utf-8?B?TWx6UTNUbjRMeDVZTFRFeUhNbGlQcUtsRFhHbWYxRjF5b0hHVFRKMUtrR0Vm?= =?utf-8?B?YTRmandaOC9TS05XNGtkRFp2czU3OFgyNk8va1ZJYTdzN2NsZTlmRmdDMk4x?= =?utf-8?B?OVA2UXFSN2JNcEdrc2l4TmU5ODRYNVdHZ1ZRbkNJRWNBSXg2VWdsaFdIWCtU?= =?utf-8?B?YStuVjdSbVhEMUZNWGpxbWVYbDBWUWUwQTBiRTFMTXkyNWoxYnc0aHRFNzRu?= =?utf-8?B?bDlzS2dKZTlSekk3b3VGN29TNUNtTDFsdm0wVnp3NWFET3NRZjE4UkhBRytF?= =?utf-8?B?b1doL1J2WnF1UXRKL0VMbHNySW9zNEMybnNtd1NMSWhpQ2dJcTVydTN6Qksv?= =?utf-8?B?SG1xUDRUMUNQd2pXL1BZeFFyN0FyMmNlVGowKzR2L040a2FXN3B0Mi9pNmxj?= =?utf-8?B?cTRCb1oxOVNMcVR1WHdkdVRTOTdKUnIzcVJZc24xblY5TDJRN00rTzYxZlUx?= =?utf-8?B?QUJ5emlLMGl6bkV0WW9xNXZVZUhMNkQyTC96ckRXREVIcGR6c0xiTmVsYjht?= =?utf-8?B?eHlGbmc4bFVJSlhUZ0NOR2FIM0FUK211emNGbWFiYktpWndNalpFd3ZXUGNH?= =?utf-8?B?VVZsZ2xmWWNOOENmZWFDMjUveWRRTWJjVytDbjd6dkhlWmhlZDNaQkNmN1d0?= =?utf-8?B?YXlkRXlRRXRNOGdOa0pmQUdETXFLckgvNGlLditseFUxdVJpWTk3UlZjTTJP?= =?utf-8?B?OU83cG4wbmRYK1dkTzlMQVVTS0NkRS9oWEV2dlZuRGs2N0RyZStzS0djMHBD?= =?utf-8?B?d2dnR20wUFlDY1FkdHZCcXJ2UEtydXBJOXVoaXFxOXpDQmFlWlBFdXJPYk9U?= =?utf-8?B?bFdDdEZqUGp6eFVqaVEvTXE1T1ZVQ255Mnp4SzNGU1AvTXV5TlRYMW9aNHor?= =?utf-8?B?WE9JM2lVZU5WVFh4SFludzNWTkJ5VWNWZ0lsTVdRSnJmU2ZETzIvdXArN1RZ?= =?utf-8?B?eHFaU2NDMlFaSGZIZDZsa1dRcDBhVzgvTmh3cWNVcnBteVdJTzJMdlAvWlli?= =?utf-8?B?Mm5sUzJUNXZJc2lZQjBHRi8xZDJzYTArWFprZHJPLzRvU3J5dzZOLzRuSm01?= =?utf-8?B?VW53c1RxWFZwSEQ1Mk5IYXpKSzcrYitPUGhPMHp1Ym5QdXUydkN5UG9mb0Rl?= =?utf-8?B?RkQvelR3a0ZBR3kyYmJwREkyaU5xTlVrQ1p3UHU0TkVJbklsQ0pRVVo2ZVg0?= =?utf-8?B?T2diTTdqeXpvSk0rTWtFa0c5Y0V6RHpJdTZFUnhkbUVmNGx5Q05QeUxKcGZu?= =?utf-8?B?TXNtaVlETFZ4SHhmb05FR1MrY21mdWIvNUoycGwzZE9vMUJhQUI2bVFvK0pv?= =?utf-8?B?UzNmRThyN2pablI4TWYzUk1McW1OcUlQWmkra2QyRUpaT1UvYWtaVlA1c2tD?= =?utf-8?B?aVl4TGtLU2YvYXNzTzVRYmEvUXFpMURKdkhyTUgyRDlvbngyd3oyY0NWRUZU?= =?utf-8?B?RkVCTmlVcitVaFZINjJaMVZzb0J0MWpnRlFZbGJPZmh5dWpCaGhLRXp6cVdH?= =?utf-8?B?bHMvQ0hlSDhTSldrYjd3K21hcllQRHpEK3lnUnhKTEhvbEZBOFdPa1MzbC9D?= =?utf-8?B?UFNGY3BkY3ZJNUxYYXEzWVdLaDFld01RVmFGbzdjTG4zWUJwN3B4dTFyTjZl?= =?utf-8?B?djJqQkZRZ0RXcEc0L2VqbUwwLzNsZkdVOFpJOHNvMlRXaDBzTnRneTZWU1BE?= =?utf-8?B?UWlaRHpldUlWL1R0dUkyK2VQemFNaFVtMnRRUzU1WjhNdnN4K0x3WWl0ODdO?= =?utf-8?B?c2FUKzE4aTcxL0lPYUR2WDlqTTN3R2VGb1VDb1JZMmJLbm0zMGdiK29ZaTRx?= =?utf-8?B?MHdOQit5S1cxTVEyV2REZC95ZHAzbXRUMEJsQVI5NlJmZjRBL0tOc1pEdEFV?= =?utf-8?B?bU83bFBKSmFodGlTN0pFYmpBaU9pNUtGNkllYndvVE50VEdPUVlhU1dJdDVF?= =?utf-8?B?dDJ1eW9OS1A4OUZidnBONXdIN2s0SkFvbW1qaWpZdmFHclZkWG9JZi9JSHlz?= =?utf-8?B?NXduRVZLWE9OVnh2MFVQZjNEdytnMVdZNVU3UkJYOFF6ZnJqUWZXcXVMYVh2?= =?utf-8?B?L3NNa2NtdmlXNXNaS2lGQk5KM0lXaFFjMTRZNTJiZlg3UjllemhDK2x6MTVp?= =?utf-8?B?Ync9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: bd1c3101-398e-4fbd-c877-08ddba5f401d X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB7573.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2025 18:27:22.0299 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: v5haMyq3381m0x6dJlhTFxGEn+NXM4eYscOTvqPAsEdUmZYjRfQuQZBnc1pwcyFiHLhb+05prheAUev/uyfsWedY02NIGuht/9dXqFjp++k= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PPFAC42FDD50 X-OriginatorOrg: intel.com Hi Tony, On 6/27/25 11:06 AM, Luck, Tony wrote: > On Thu, Jun 26, 2025 at 09:49:26AM -0700, Tony Luck wrote: >> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig >> index 71019b3b54ea..8eb68d2230be 100644 >> --- a/arch/x86/Kconfig >> +++ b/arch/x86/Kconfig >> @@ -512,6 +512,9 @@ config X86_CPU_RESCTRL >> select ARCH_HAS_CPU_RESCTRL >> select RESCTRL_FS >> select RESCTRL_FS_PSEUDO_LOCK >> + select X86_PLATFORM_DEVICES >> + select INTEL_VSEC >> + select INTEL_PMT_TELEMETRY >> help >> Enable x86 CPU resource control support. >> > > The list of dependencies to "select" keeps growing. "lkp" > just told me that "INTEL_VSEC" depends on "PCI". > > An alternative approach is to just add: > > depends on INTEL_PMT_DISCOVERY=y > > instead of all the extra "select" lines. > > Pro: This describes exactly what is needed. The INTEL_PMT_DISCOVERY > driver must be built-in to the kernel so that resctrl can enumerate the > telemetry features. How will this behave on AMD systems? > > Con: "make olddefconfig" will now drop X86_CPU_RESCTRL until the user > hunts down and enables the chain of dependencies to get RESCTRL turned > back on again. Reinette