From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 334931448D5 for ; Fri, 5 Dec 2025 00:55:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.8 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764896137; cv=fail; b=PdUv/2COPOwzqUdWW05U3SjjjINGLzF0aoa4fg2HBr5Y8d0mGlJ8qoXtv/KHF3PZgEguq+bxWZSzYgg4dbcXRAU/1Afp9oA9wjC3mkQQtK7tQ0fW0id0KnXG/+i7rqcCT6e8vJrLE/Wy6quFYEI38DzAH6Y7xTK1NFC7+zp/CwQ= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764896137; c=relaxed/simple; bh=HIE6peEs3EK9VcAulLAtTaw0ucqHsTT9F5cIhuKFC+w=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=Fs3sPqcXrFjdIEaCFZA86FrRIByPD6rYOUzMy81nR7yAnT9VjqR0F1stcFzRdMoiM1XIKvG/uXXlGD1kCYQqAvegZGLMvnLPFaswyvu+FshIKF4ee/BJAgWMYvxmKw8p4rurEyqJ4Pz2UTxnDQ5gwqFk0EwcvYPNsbod0yL4NHw= 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=Z2+MVBef; arc=fail smtp.client-ip=192.198.163.8 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="Z2+MVBef" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764896136; x=1796432136; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=HIE6peEs3EK9VcAulLAtTaw0ucqHsTT9F5cIhuKFC+w=; b=Z2+MVBefyVPQ6jWVESBXd0AGC2YGhzO829EDpPhLDOKknwmTjpkIvY2e ZEJl1051xGLnbwjlDBV1EEhz14eTklJe0+OGsOK8QImEj+YsD6oq718EM B3S5lSnneJSQhDPelKheTMCwlYSaqz0gCVzvhHaeEr/6DLKLu/ARnUCcb 4+RxS35SVjqE4qtMlJcH07R9I9JgqOL+MawaDrRWupMgTTofJL6Dsi5bX Z1jFpiD6FbWrlJj13j2PAlnseTfXhjQfpKNaic8VC4xTufBZQO+BgJZtF /BHUgAuD0oTtoCsqQ7YC3o2X2nmaQctongikVTRqy5rSAU6kjVciQtCE9 A==; X-CSE-ConnectionGUID: VQdh4F+QQf+YGllLs8Dnlw== X-CSE-MsgGUID: RRwQmeBbSHekSO23Q69Ubg== X-IronPort-AV: E=McAfee;i="6800,10657,11632"; a="84535462" X-IronPort-AV: E=Sophos;i="6.20,250,1758610800"; d="scan'208";a="84535462" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2025 16:55:35 -0800 X-CSE-ConnectionGUID: ulEq8L6HSaGJ3c6el3LjKw== X-CSE-MsgGUID: HSbDfg0QTCq+AqDn087lwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,250,1758610800"; d="scan'208";a="200261300" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by orviesa005.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2025 16:55:35 -0800 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 15.2.2562.29; Thu, 4 Dec 2025 16:55:34 -0800 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 15.2.2562.29 via Frontend Transport; Thu, 4 Dec 2025 16:55:34 -0800 Received: from CY7PR03CU001.outbound.protection.outlook.com (40.93.198.3) 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 15.2.2562.29; Thu, 4 Dec 2025 16:55:34 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=LJlJ5tvV805Wxl/0Vtx6iCtYW/Nvjwh5PcTpIhw9mUGjCXg24soHYocB6TKt0jXW6jvcJQd896AUgezOCvBGCyAP82DE7j/5TBJ6HRi+5wOXluysMNw+4eR5B7Q4Lk0C0TE5UfEf8XwjSjVEn2UM8gMDziTc2ztsf2Xrox5RorGDhX5yBUhVLwYmflp4aBfRHjR+vTAJwaY6JqOnHr+Pe0o0Pb6YRTDKWr0X6+jHp+rRzEU+yK4Xhb3APtsN+9zBpmSP1czFGFbb2Nw9pj9AsP+FwrKlnzmoid34GOJjPFWgsMegHoEUg4bVrKzTnOFiwfzfdN2hTkTCqgnsDyS3cA== 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=zXUXQJvONzRskwygX6JuyJyQHlASYBLr2YQyTEYIuao=; b=GqGcZwAnwnClkS7z5ckg35FNJOVzZdFwOIckYbPhzmgu0XB31jtAzzbHOWkc2uZXeobG7pEI+doHyI8xUqQRkONB/8g8wj9z7NbotLS/j6MxWqnYs1pvL/y609SQPcmoGuGbZpjcEtzpTMK4QLDSd/vQQ7WU5O+MKFvMpPkyirCy85KRYEAJCe/b2XvErQ5lG0PKkIefSqoXkvUto8SqQINZxdZaKypgdPBgLvyTqQCIr83NPESL507izEZk+v2QZMjPFzoC3mDrqlmZtIidKLva+lzXvhqjhm+txX0LUEERBJZ9/74dz9N+Nabeyxn1lop9Otn4t7UL0nBuhGj1jg== 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 SJ2PR11MB7713.namprd11.prod.outlook.com (2603:10b6:a03:4f6::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9388.10; Fri, 5 Dec 2025 00:55:32 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf%3]) with mapi id 15.20.9388.003; Fri, 5 Dec 2025 00:55:32 +0000 Message-ID: <87eb3a3d-854d-4c3c-a075-9096ca67c89d@intel.com> Date: Thu, 4 Dec 2025 16:55:31 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] selftests/resctrl: Fix non-contiguous CBM check for Hygon To: Xiaochen Shen , , , CC: , , , , References: <20251204123816.2802393-1-shenxiaochen@open-hieco.net> <20251204123816.2802393-4-shenxiaochen@open-hieco.net> From: Reinette Chatre Content-Language: en-US In-Reply-To: <20251204123816.2802393-4-shenxiaochen@open-hieco.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0238.namprd03.prod.outlook.com (2603:10b6:303:b9::33) 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_|SJ2PR11MB7713:EE_ X-MS-Office365-Filtering-Correlation-Id: ba476242-300a-4fd5-7c5a-08de3398fe2b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?WmpQcVdIdUxad256d2g0bTk0cnJEbFZzcEh5QWZnZTRRc1NRbW15eFlrcENo?= =?utf-8?B?a21ocnhoZUpqb2trOW1wK1FURUJRT0s2Ny9rc3lNNnFnMnRLOVlSeDJnbVlI?= =?utf-8?B?R2pGaUY2elhuZFloQ1Z6WFZUU3diWVZOOFV5ekdObGlRRXhQMVhTMkNQZHk3?= =?utf-8?B?SXUvS1J1V3YvQzRQTjAxcmR4b0NEdWh5OHc5aXd4dGhXcG1SQXAzaVJYZWFq?= =?utf-8?B?Rkt4V0tHR1ZFME1lTjJ1Ulh0bkFHV3ZmRnZzUVdGTUd1elFxdkxlWkNZWWZR?= =?utf-8?B?OFJCNDVlNkthclpyWEg3cUpPcEl5MDF6aS91UDdjOVRNOTF5d25uRWxGdG1S?= =?utf-8?B?YUNiekRGU2M5WXRnNXVncXczcFZJZnpGWGZGUThNZ3ZwVjBvS21MakFwdnNF?= =?utf-8?B?R1gvT1hHUVJlZVZ3OFJUdVZSZWxTV0RlZFdZYlhEanN6MnhjWjN1S1FtcjJl?= =?utf-8?B?czhweXBwWUQyblFUOXVRZkppN3pDbnRvd0hFcGVRMWptWGlDM3p4SzZWbDJi?= =?utf-8?B?Y0RmcDZQSEhxYit4ZmNlVEtqNE9UaWNWd0RyRFR4MWxZTWdxQmFWdXprTFZh?= =?utf-8?B?eFdjL1BpVi9odERGRHlFakhldXgvcmRiT3l0OEtZS2dqZGFPQjVKZ1NBRE1y?= =?utf-8?B?bm9jcjV5eTJySVlCTjAxTTJnYkhRTVdyeSt0dnU2emE1MElMM2JXaXJmTjRp?= =?utf-8?B?VDBYakVURDYya1FnZUl6RXJ4WU8ycUJWNjZLZUpzUU92VEZjaHIvSSs4OFRx?= =?utf-8?B?bEF5RGo4ajdLZk1ENmRGQXVSQzJNa3JuajFZWVN5Nks3QjdqN09IcjRzdzZS?= =?utf-8?B?RjU0dGsvMjdUN0hzRDZIeU1EV0tvMmFJeHBpajBvamxPejh5Yi9Nc295L1hz?= =?utf-8?B?d3RrYVEzSWFTRTI3YTlXa1YxWWlxNTMzaXE2NVlUVkgrY2xyTVJhbkNOS1li?= =?utf-8?B?ZEhpWFJlZGhoVXZKWEQ4d1R2SVhjQmRtV1VablhabEQxQVAyeVhuaXQ5R0VG?= =?utf-8?B?aStYK0VNY2lhQjNFTEttN1Fvdm9QQUMwVktIc3Z6bnlySENEYXZTUHhId0Zi?= =?utf-8?B?VEhQSnpGaStaOXRmSkVIQ0thQ0wrZ2t0dnh3REp4U0hLWGl1dXRjU3lIZjMr?= =?utf-8?B?WmVjWTFxODBkeUw5VFRQUGpRM0YyRDlaMUFNcXFPbEE1dXlPYUZwTHBvMWFh?= =?utf-8?B?cURSOStIZ0Y5NjJmUnh5WGk2eHEzd1Y2ZjZteHpHdTZ5ZVJMczVLZnZnbXQ2?= =?utf-8?B?Qk54RDFJTHpadjVReU1vWjRkaktua0lsY3RBbjV2NFdKckp4OXhhalVjWU8v?= =?utf-8?B?aS9BZFNJNGVEM3JpTllVOFhUYXFGcnJEaStjZUc1VVVzdWZxVDI0NjNBRGFx?= =?utf-8?B?ZlNNQWpocFlrMG5lRHQ3Z2c2Uk5xTDdXdjNSK3hyclY3dlZpVVgxRjlDU2JI?= =?utf-8?B?UTJqcFVWaXNRLzM2eExFQStGLzZMT0dBenNFelJwWXVROTV2NDBlN0M2K3FQ?= =?utf-8?B?NlArU2lBSzdNVEFlUDlZVkJXNkFMdERPdE5uS0lxeHNJWjVPK1hnb21RSlVV?= =?utf-8?B?clUxUlgvNndqQkV4amI4Vjg1S2dremlWd3RtS3JtS25VekwvS1B4VG1kU1B4?= =?utf-8?B?QVA3VHFQdk5FNmdsL2swT1NkSmNIYjJYdGg0Zy9wdS9tV2dlbEl4ZzN3THN0?= =?utf-8?B?eGpvOUw5MEtCQ1Z0N0ttTytvT3dseHVObTFGT2w1aHpyc2pSRHZMaS9lODN6?= =?utf-8?B?dDdQdWpCTVc0L3dVYS9Ca2JFQXRuMWxmSDBkdGNlNjhxK2V1UmRmOU1RaC9o?= =?utf-8?B?WlVYWUQxYUQ2eElQay9OMnlaYnZJbm5ZaWRyMHpIcllSSnRhTmI1WW84SXFQ?= =?utf-8?B?Mmw0VTVRRllUeGg3YWcvSTJTeFd5eGRwM3pSRm8zb0tlT1Y5UXpkSW02UmR1?= =?utf-8?Q?bSSmvuC/sx0Li/HcVbxvI1FYgsVUmrVV?= 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)(376014)(366016)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?aVVvQ2hPK25wV0gzZFJ0blIvVG5IUEpBQTg0eTNOSlYvakl0ZUxGbXkrNmpF?= =?utf-8?B?SGRHUFZVcmYxOVFLaEljbVdqY2JQWE9kakx3THZ3K0lMTmRHK010anNJbEtt?= =?utf-8?B?OEcybFJIaHArNE43VVBxdk54cXJkenBJWUpyenlPMzVpZjVPTkFBbnBHdGk0?= =?utf-8?B?SStBUDZTS2JZM3dCZ2FHTi9EUkNvVmRoamJrNkR3N28rTUpVKzlsT0huaDlO?= =?utf-8?B?MDhvUXd5YVJFZzlmQ2lJTnRXc1ZLbGsxVWY3UVk4Q0toUEQvRGN2Rkhoejl5?= =?utf-8?B?LzVPTGMzb0FYejl4QWg2dncrajZJUElFMHN0TkMvaVQ5cEwzRnlwOFFSZFZy?= =?utf-8?B?aXJ3Q0k4K2FPY0lQc3pUZFRSL1pBWUc3L1JlZjZsWGl5SmJTdklzSXd4dmp0?= =?utf-8?B?ZVA4YWdyRjhTeGt4ckl3VUdMcm1zWTE1eUFwak5HRXl1c2pJdEpYRnBHd2FF?= =?utf-8?B?UVdnS0VWc2R4WFFDeVJxTGtYdEdyRndRYjZ6Ry9MSG1MRGF2TjAvNUpDNkRD?= =?utf-8?B?V3lCbzRtWDRUc0NVSUw3ZzV2OTJGOWF0U1phckRiYkxKWlRBcUhDU0hKN0pD?= =?utf-8?B?YTljdWg5YTU5Yy96d2pUdFc1OE9GNitBbEtWbUQ5L28wSFVkSWpDMnp6WGtt?= =?utf-8?B?MjQ4NHRMd0FXa3lkTjhsZW5ZMlRQeG1xUDlIVTl5ak5NOUh5bDdaa2Qzc0lu?= =?utf-8?B?azdzZUlDSHlJSzQ1bHA4RCsvSkhHQ1Zzc2ROV3VHZEEyODEvdWN1Q09sQTRu?= =?utf-8?B?TnZVOHoraVlKYjE2ZHFpU2w3OTA3UFdKS1dCajVMbzVhMXdIMVBEVUx3T0x4?= =?utf-8?B?SkV4aXdHclAzUEpSbm9uYkN2NDhmdDVKdHlmUXJZMXJwdEVHR1NXOUV4alkv?= =?utf-8?B?UVY1LzdhS2FlUTU4TUhOZTQ4L3RJN3huNUt4Z0puVVEvWjNjbXAybCtRSkZH?= =?utf-8?B?ZG00SjFXaW8vQkJoMUNiNG9PM3l6QldMdkIvL3ViZW9PUzlFdllaVmR2U2Q3?= =?utf-8?B?dW9IRDU2TW1tcEcwNk9UQW9LckVteUR3RGhaT3ZwN0tkZUdqbm10S3ZLcC9j?= =?utf-8?B?Nm5sR3gwK3ZSZ0ZhRUpyMXRSWUdWeE1LU21CMUMxUENqd2tWWGF1YnVJL24r?= =?utf-8?B?REFMZW15ZHFxc0tCWkp0UHkyMjdJUlFlSHpGYUZMMFBOZnp5NzNLeHA5akM4?= =?utf-8?B?eDZ5ajVqTFdlb0I1dnVFdHRGc3NwNjcrWXArcWdETGtpOWZ4dDR5TjVqTWJh?= =?utf-8?B?MHJUQ0MvNHo4b0tpUGdqdnhtZ1oyOVpyeFpNaURnOWk5Q1BwaWJKV0ZibkNn?= =?utf-8?B?d1Q2dWVibmxabllzdFJTRmdodkppM2N1S0RIcENCRFhDSFRVVjB2ZFhTSkZ2?= =?utf-8?B?YnY5NE1GTUhxZXBsUStkck15bHF6VmhndXg4Z1NEd3h2aXQzdWloeVZJQWRj?= =?utf-8?B?NGMxVnIzNVFZSVZiRjVpZUdEWGdGY1FBVm9wa2VtK0lpV0Q0VGs4YTdUY3g2?= =?utf-8?B?UTBDdzlzSnFlNUhWTVRFbnd4c3pXempWVHYxWUZsb1FVWlR2akVYN1VleGl4?= =?utf-8?B?bllvTjF2RHM1Uk1NT29vR3JqcFkvRzFjUmxnQkVrUjBPUlRqZTB0bmNXelJU?= =?utf-8?B?WlJnbjFrZTVCbTVybkhmWXdoQndFVndhTTIybnpacWw2ZC85eGV4MGVCYzBP?= =?utf-8?B?RjBibXJPN3BKMDFxMTEwK0FOaGpsaHRIUHgvL3RKeEs4K2cwYXJiSHdHSDlM?= =?utf-8?B?TnpqNFhMRzExdW5MTDBuMVlkTXZCWHozeTZGWHFQMFF3MXBHZSt6MVpjTjRV?= =?utf-8?B?Vkd4THFvR3RDbTAzR0kxOUhQaFE3TDRFZ1lJUmlxVDRwc0k2cElJdkMzMEEx?= =?utf-8?B?dkl1ZDBxWDJIM0c0a05OWWluQVJnMnpJN3JVMjZVU3F2TFBQSzQ5ZjdDL01E?= =?utf-8?B?WGwvckp4RHl6OFZlcHFXTWhOWU9nbWRvK1cwSW5KUlRxUFNTNVhKSkp5WWVJ?= =?utf-8?B?a0MydUJTSkhqVW1qc29oUjVrSXR3YWE5VXRzTWQwZGlyME01M1dxbHQweERC?= =?utf-8?B?eU1nK3I5YlFtd3JNUXJySnVxc0xza2RaVVl1cXB4bzBJNkJSbFVQcVVLUk82?= =?utf-8?B?WERLQW96UlBBV2FNbHN4ajZPMVpwUmZKR3V1M2Q3blJZUXg0WnVWV1IvNy81?= =?utf-8?B?YWc9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: ba476242-300a-4fd5-7c5a-08de3398fe2b X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB7573.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Dec 2025 00:55:32.7178 (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: yBBBOP5xdGZPDsNh9P9a/J6w0ZUw7//qbojFDeyh4sdbRio8pjQC1S+pCCUMs1naqVOuXhNuqqgNzb3Sv5X0eWlPHgcUsTAWBrWO4aG7TP4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR11MB7713 X-OriginatorOrg: intel.com Hi Xiaochen, On 12/4/25 4:38 AM, Xiaochen Shen wrote: > The resctrl selftest currently fails on Hygon CPUs that always supports > non-contiguous CBM, printing the error: > > "# Hardware and kernel differ on non-contiguous CBM support!" > > This occurs because the arch_supports_noncont_cat() function lacks > vendor detection for Hygon CPUs, preventing proper identification of > their non-contiguous CBM capability. > > Fix this by adding Hygon vendor ID detection to > arch_supports_noncont_cat(). > > Signed-off-by: Xiaochen Shen > --- I think it may help to add a maintainer note here to highlight even though this is a fix it is not a candidate for backport since, based on your other series, support for Hygon is in process of being added to resctrl. > tools/testing/selftests/resctrl/cat_test.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c > index 94cfdba5308d..59a0f80fdc5a 100644 > --- a/tools/testing/selftests/resctrl/cat_test.c > +++ b/tools/testing/selftests/resctrl/cat_test.c > @@ -290,8 +290,8 @@ static int cat_run_test(const struct resctrl_test *test, const struct user_param > > static bool arch_supports_noncont_cat(const struct resctrl_test *test) > { > - /* AMD always supports non-contiguous CBM. */ > - if (get_vendor() == ARCH_AMD) > + /* AMD and Hygon always supports non-contiguous CBM. */ > + if (get_vendor() == ARCH_AMD || get_vendor() == ARCH_HYGON) > return true; > > #if defined(__i386__) || defined(__x86_64__) /* arch */ Reviewed-by: Reinette Chatre Reinette