From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 8DF4D28DA1; Mon, 23 Dec 2024 19:33:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.13 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734982386; cv=fail; b=rP1mKc37PdcgoPKgvGkq5575Njei3sa288zTWObGiYnnEJmoGSBHKagaacp5junSW6zpeOEiMb3UUJeg/zBZO/jukfpyfuJ6eNq4G1LzI5re7iJLQHWd2IYjHwMgtnHqnkBH6BpxAGxWrNHMnZTpIXVj/XR16QBumZz2yv7Bmts= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734982386; c=relaxed/simple; bh=J1DaqpvSl1HXkSjQuY6vYkov7Lhl30ZkFKqkFhWV/Zs=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=tVhCZBxNgqbv3YBgU7snthHcbnsw4KvYvGwTKmtdfiIgX+Mlng5ME4qP6PSosctAb0AFq9ZaVXYxzoM4w17HDN1ZT3bJFQQ3w6V9tsj65zbIY32jo/Z4JFaajllm0bxmKcC1Mwreyui+Bx9MUuZTHXqkcqd6Qqv4WdWl+Rb0VgY= 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=NGmlfYrS; arc=fail smtp.client-ip=192.198.163.13 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="NGmlfYrS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1734982384; x=1766518384; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=J1DaqpvSl1HXkSjQuY6vYkov7Lhl30ZkFKqkFhWV/Zs=; b=NGmlfYrSSZvIVt/DI1F8LjiwtMtrA5TUZ7M19jSIT82K4IfBVMpUv6u6 m3OkrZ1qhTPXZ8wJkWsZbf/Z88iSsX9S0dHTdp7lDiHsey104evPw+Yfv Y5U/NOZdurWKumxHrVrMyLMxMYrPqEzjc3c+R5DA/JRK+QGuztFYDHZSa o5bxScOCX1PCVSMlitEnwZnq3tiIwNob+9i1TGQTEUuK9PqTNnlBWdf8M 2QYJ+K6iW+39Sd/a9s1wZBOO05E1crOSWLb9xCClsSxyxT5dK49aIxgtv OXfCiKAYvKqLa9psW5sm237Lv/mbNNqr/keKEifKp+wHEewGJOHDI0C9B w==; X-CSE-ConnectionGUID: 1fHP4IsMTh2ybvrojU+fXQ== X-CSE-MsgGUID: URsX8a+3R2CNKjUOlLgquw== X-IronPort-AV: E=McAfee;i="6700,10204,11295"; a="38295326" X-IronPort-AV: E=Sophos;i="6.12,258,1728975600"; d="scan'208";a="38295326" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Dec 2024 11:33:03 -0800 X-CSE-ConnectionGUID: 4/6+mNIKTdO371S1aAeq6Q== X-CSE-MsgGUID: VgcgF2cDSbu+LgsLTMZT2Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="103901686" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmviesa005.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 23 Dec 2024 11:33:03 -0800 Received: from orsmsx603.amr.corp.intel.com (10.22.229.16) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Mon, 23 Dec 2024 11:33:02 -0800 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44 via Frontend Transport; Mon, 23 Dec 2024 11:33:02 -0800 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (104.47.51.48) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Mon, 23 Dec 2024 11:33:02 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=erUDj157U6kW6heGaP8bRvV4cLzK98FVKn+tF/d+rVDbtWSu6eGK4V0mk6b+4T8QqYddkHtQZY90jnAIFcHYEUh+iz8hdarh2hHaRYNGLUD4DOOrrn+1b47wVrT+A4Pltk7c9utL17csgKAVNet1ay1zFxHvDVuL6n2W/+RedkM+YbNNGm9OGIIDCT645XmJnvmwAKVct58FxAp7KqmVK2j7NVN7fV7LbDNNlgcEEgxnGBAHk1CmSLA039VlcR+AzeUyJbcPidJM5t1oxF+GLju31DIpzYyYPZRfvfKLr8YX/94gWarfWG9mlc1FGqudKsZLMTffHvcNGnXFwN85MA== 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=YCYlVOLWKyCL/7aN1HcTb7gywnUS2sAQ9JdiLyN8Dbo=; b=p61R3M+Q0qdMMjpRnl7jrsB0dVcSJxGboUaBPRY30M8bYLxLcdoKDOkstHicbmR5WkvksVOFQJ532JwybxCJ2xrIlXjLMrwTZL/LqHAuUe+rumIhmy39nxeAI3WCiLm51oj3EXjFv14K5V4/S4Rbr0JImu48abTOKXp2NvhV/s/WhlnphVdQQR8I1uRliYXyx6bnWqr/YyYNmBteHbigZrFkQLROmiMrg0spcyJaqVWe2UaiXkFJAGFg8JZwYZL5OZ3fAyULpMaF7SEvNL1jp3BVpsaIPjm9mXYE1+yQcFYwgeSplnkk+T9UQFvSfqpzgdgLaSaokz6BzZ+/N4V8NQ== 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 SN7PR11MB7566.namprd11.prod.outlook.com (2603:10b6:806:34d::7) by PH0PR11MB5832.namprd11.prod.outlook.com (2603:10b6:510:141::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8272.20; Mon, 23 Dec 2024 19:32:54 +0000 Received: from SN7PR11MB7566.namprd11.prod.outlook.com ([fe80::2b7:f80e:ff6b:9a15]) by SN7PR11MB7566.namprd11.prod.outlook.com ([fe80::2b7:f80e:ff6b:9a15%5]) with mapi id 15.20.8272.013; Mon, 23 Dec 2024 19:32:54 +0000 Message-ID: Date: Mon, 23 Dec 2024 11:32:49 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/7] x86/resctrl: Add interface to enable/disable io_alloc feature To: "Luck, Tony" , Babu Moger , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" CC: "Yu, Fenghua" , "x86@kernel.org" , "hpa@zytor.com" , "akpm@linux-foundation.org" , "paulmck@kernel.org" , "thuth@redhat.com" , "rostedt@goodmis.org" , "xiongwei.song@windriver.com" , "pawan.kumar.gupta@linux.intel.com" , "jpoimboe@kernel.org" , "daniel.sneddon@linux.intel.com" , "thomas.lendacky@amd.com" , "perry.yuan@amd.com" , "sandipan.das@amd.com" , "Huang, Kai" , "seanjc@google.com" , "Li, Xin3" , "ebiggers@google.com" , "andrew.cooper3@citrix.com" , "mario.limonciello@amd.com" , "tan.shaopeng@fujitsu.com" , "james.morse@arm.com" , "peternewman@google.com" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Eranian, Stephane" , "corbet@lwn.net" References: <467077e6fcf2ffeb9f20204671b6902b85974820.1734556832.git.babu.moger@amd.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0357.namprd03.prod.outlook.com (2603:10b6:303:dc::32) To SN7PR11MB7566.namprd11.prod.outlook.com (2603:10b6:806:34d::7) 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: SN7PR11MB7566:EE_|PH0PR11MB5832:EE_ X-MS-Office365-Filtering-Correlation-Id: 6babfcb4-00bf-4a0c-98c4-08dd2388989f X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?NVlUdFplK09OOExWdklZUU5Fa3NBNjVpemFFeHpOR0FYdE1UYlpIbi9MZjB4?= =?utf-8?B?ZkNOWURzVGhtSFBvUUNicFYvTXBOanpreUNCYmpabVB5YXAxajJwdjJDZTM3?= =?utf-8?B?bVB6NFdOVXNzWFhBSTZBQk1WclVORWFzN09VVEpRSVliZGY5dEI3ZllDZzNn?= =?utf-8?B?enQ1Mm9NbFYrbTFFTHFDRVVhdGl5Z3lwRVQ3a052dXBNbVdlczlIWVdyRnkv?= =?utf-8?B?TzJ6VDFsQjdPM1N3UkYxbjM4L3JhYzg2YnhlZUxlSWQxdmw1dmVkeTVOdGRI?= =?utf-8?B?TWtXK2dQSVBVb2ZMS1BMN3BXNGFOY3FVcFVkK2swSlJBWXBiMG11ZXluWGU5?= =?utf-8?B?Z09jdkhyZnZGMFU4M2lyekEzbjIraHNQRmVKSEw3bDNQdURtdGttYkpUbnB1?= =?utf-8?B?V2NKd3IvTWJOeE5zZUVEM3ROU0pENFhjbms5dXRNeGZUL3c2OG1VZjFqTEtO?= =?utf-8?B?OUpwb1B4T1ZkTXZSSGQyNE8yZzVKR2ppOW1teXdsT0VEeVNOMk5saG1ZbTBW?= =?utf-8?B?VDRyK2NHNTBGd3dvZk1BYUkrdDIvL2lsSkVKWmVoQk9KK3EyTVRhTWdweU5C?= =?utf-8?B?TWhXMlJIaXRuSTVLY2ZKRXVzMXNsbjJDNVZNY25SWTBZcWVSSHgzYkFlSTRt?= =?utf-8?B?bUt4YkhzeURRYWdEdjZLL2ZGTURsb2cxS1krSFVmR3RNZERKTjMzWmdjTFpF?= =?utf-8?B?QkpWNWFNZURNVis4V29kdlRCc0ZxQTdxT2VPcDU1ZzM3WG82RHlWSjZ5Nk9t?= =?utf-8?B?c0ROanZZc2JiemJYNlNmZzI4YmRBM2RsT3dzTVZ3Qno3Z1loNWlGY2JWMlJF?= =?utf-8?B?d0duS1YwRzZjbDErUXVRRllENjNEQ3J4ODYwUTBHU2FoNmp2TEErQTc4RFRP?= =?utf-8?B?aWt6WTYyVnNSTTgyMkRCQ3BJU0JtVEZrVEZrMmxPME9iSkN6L2FqN0pCc1dv?= =?utf-8?B?WTlhQWZIcVBYSDBsZGc3bUNHQm84ZkhyNWNhNlkwSGFhcnJaNW9YNjcweTZj?= =?utf-8?B?cjNFQk1LTFFKeXdtUTQxK3Z5MHJYY3VTcGhHQUZQbzc0eFZqejFwT2xXM3BK?= =?utf-8?B?RjFvYTRUcGJ5alZ1alozeGVDUGdvdjlORGFMR2ZCSkNOa2hUaTl3M1FZV2Na?= =?utf-8?B?SEhURVhRc082dVVteVEvb2JIMjVGaEtNa1BWY0hvWDlmOHF5SVhKOUtaNkZq?= =?utf-8?B?aU1pcXRYU2RGNGR3TEh0dUp3dXgxMFlRQ0lmV2tBYnpGbTNCc1FUNlNDMnBt?= =?utf-8?B?QUtXU3k5NWM0TjdZYzN2YS9QWkNTdW9QNVFDdFJXRmpSbUFsYXR4WnZGdGFB?= =?utf-8?B?TXFxWEJ1S09aeEExWk9jWlRuS1NLU25YRkhTY1krWDA2Ny9rUHFaZ1p3a3hh?= =?utf-8?B?WkNyTW0rK25aeDQ2eXhvdk1OTUp1TUZTbzBVSHlSRGZHVmJmUitHZzBHSnJJ?= =?utf-8?B?RGZoT25qZWVzVStoTHJvblA2Yk85Y2tDL1dFeDZ0cS9QRmN4ZVlESGFhQzlU?= =?utf-8?B?Rytrdk9JL1BkRksvMzZpbWcwSitmT1BhODIvUzVSVGJFc2F3OEhSTVlCNENQ?= =?utf-8?B?dlZaRVFVWVg3c0dYaHVha2NMQjdnMWFpaFJwb0twMlNTZ0ZTaUFpUWJZQk8w?= =?utf-8?B?KzVJenQvK1I4SHcvOXpxUVpYejMzWExxSVBIZWZoU01kOVdVUGl3ODJPMmRt?= =?utf-8?B?T213M1FCTzVxd1A4d1pjRkcxeEN1ZkdUTW5zOTh2VUpOYms2dmx1cklUVXV5?= =?utf-8?B?OGxyRmozbjlheE5nZm5relE0UXROUVA2cnlnRExkNFhlVlMvUGk2RUMyR0Ru?= =?utf-8?B?SVd2OSt5WkdHRGxDZHlTRnNYem1YaGRnWXA1bm1YUU5CRnIzdkNDYXpyS0ZV?= =?utf-8?Q?HuSCY6OPnPOqe?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN7PR11MB7566.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RklKZ2ltd3ZIMkZHKzJpbWlMSzQ1TnArWXdPNWZ5R3RYdDBycnF4UTNBQldK?= =?utf-8?B?MFEwU3JaUjBkUWN0T2c0cDRsdFduYXVhSTR4QzVVcHFqVVpGd3hsMkpzQjRC?= =?utf-8?B?c0NHS2UvTjJLV3RHb1BzTGs3MHlGT1RPaWdOMkFhUDhRa0RkbXRWYkRlV09D?= =?utf-8?B?Q1NkYXYzb294aDZZVkFtZDNFODFvRFZGVFNKaFFsMGorditxSmxCQ2IrUFdY?= =?utf-8?B?c0kyZ05jTHhSRHlRM1Q0Y0JTYktPRGI2R08zSnlITTNscnhsZFhSVWVMYVlF?= =?utf-8?B?NnlBbS9yajNNaUxidnpBOFpQQXJiVmRhMFJlY3hsWEVRc1FZbnE0dE1MMlB1?= =?utf-8?B?aW16aHBFU0EzZkNMT0RuUEo3VGlWYUM0U3BWVzRjYjh1QkZGZ0oxRzFLWVhU?= =?utf-8?B?amR0STNzZm9JYTFWYXZuQVp3SnZsd1lWOXVSVHhqbTJEWklhV3FGQ05qS3Z4?= =?utf-8?B?N0pkQTRJVytYbElSdkx0a2dTS294dkhhQjZSZ3F2RG5KdXpFWW1PLzRLdkZK?= =?utf-8?B?VHhRQ1ZGU1lzcFc2Wm5nV0h0Y0pnejZla1NCb1JyMXI2aWRzaHJlUGt2VDhi?= =?utf-8?B?WE9SeUpTUTd2NmhXY0pwdXAwcGJEVDRpS0RTaHIzVHlGR2hORGZwdDFhTURw?= =?utf-8?B?U0tJODY0UXBCdlRZN0ZGRDJhWm03WEFJQ3VIUCtha0JaaVl4UHEzT0VCYnBm?= =?utf-8?B?eHVrMnc2eUIzZzZwZmdsdXBsNHRqekE4RlpuaHU0ZldPZVhEbVg1MGdGRzN3?= =?utf-8?B?ZGZHNEdOeFc5TkhIQm14bjlTZktVK2dUWmN4M0NhaWxBWXlMUGRDTDBZdkhI?= =?utf-8?B?SEhIT0RqM083amF5ZTBUS1MraitYaDJVZWRlS3pZMVB3L1A5MFRZUGVXQ2xE?= =?utf-8?B?ZWd2dWN6WnZKQ1lsU1lGRUhKQ0pOWnRhV1Z6b0dLUWppenRtVnJwZEExVzNB?= =?utf-8?B?YmpLK2Mzb3VuRmZyY2ZHVVV3TkxRWXZQM0p3N1ZBWnZpcmZKaXJCTmphWWd1?= =?utf-8?B?YmQvTnhJT1lwSllHTFVTcDMzMmNLSEErVzg1UklOaDVFWG90MmcycTJ2V1Mv?= =?utf-8?B?b0k1eWRMQ3NFVUY1bHdHc3BCME43K1diekhORkp5NzYyRU5mRWRlcXVuTU8w?= =?utf-8?B?OG9ReEpyMnZyc2FZanArRHNua1U0UnppenY4UHVxY0wwc2Q0NDNJZkp3SllC?= =?utf-8?B?QWVpeC96MVIzV2NUZmwyZTFFNmlnd1VvYlNoekxaTHhRdmh0bkUyakd0OTd4?= =?utf-8?B?TnFWa29GL1Z4ZStxYktpd3F2VHdNUnk1NjVxQ05Gb3Z6R201bDB3UEdKNDJr?= =?utf-8?B?SlBoSDU3RlZzRFh0K0ovYVlhd0RsNUhHZXAzSG51ZTc4NS84MExXOENPR0xm?= =?utf-8?B?MStEN1RTU3R5a0J2TEZlenRnaE5HejY2TERmekVGU2F1VXIvOUg5Q1hVZlNs?= =?utf-8?B?TkVnRHhYbHRrYUxyNjdaZWkvcW5hMWs1Rkl3bldOMzBtaEpoRXMwUlp3eEdK?= =?utf-8?B?ZnRIcW02eDJMTG13bGpvdzdQTEMyeExuVDVldFZaVDJlS1JaUUJyYTR4cjhT?= =?utf-8?B?MlhubHhyaTR1R0RBY3MxdjRQV2lIR1JiU1haZ1lJRng3d1E0VnlWR1JsWkc1?= =?utf-8?B?SXNPZXRBT0s1SmIrYmNnVGhHVTZ4YUI2VzQ1ekV1R1VIZGFPSlMrQ1BLdDVL?= =?utf-8?B?MTZHOVBEdkF0WnR5NFo2THB2bUFheWhOSWpoZ2hCQmFiSGxGVlhPOXhGL3E0?= =?utf-8?B?bGxsOTFDUys0bGFqT1Exb1VUUWQ5eEN2c3Y2Zi9ZRy9lVUNCRURzSTFnWTNh?= =?utf-8?B?b2I0YUEwZHhhNjhnb3VyMTFKTytVWHMxQ1R2eTFYVC9QS0RTdFJ2bGxoekZY?= =?utf-8?B?RmV3eHdXSTZoY2NIejNjcjdWUk5zTWY1YytlTzgrc2QrL1Y0U1lIMTl1UGJF?= =?utf-8?B?UnpkQ3RyMDBZaEZkU0xaQjZIZGkwNm1JMmNXVGlrOFRNd0dic1YwRzBkNkFx?= =?utf-8?B?UXZDRkVlQnlSTXVNazZlNWptOCs1dVNCRVE0azBkdDh2SVY4VUovWm9iQnRu?= =?utf-8?B?WXhmTVduYkppam1rdTBRVTVlbjZzbm5PSk5wV2ovNm5zNjRwUmNDdHdSZnBB?= =?utf-8?B?L1BrTFZtSWVuZkV2VlpNdlRMYlBFc3g3SXZZSnVkL3E4M0VqcW13YjJoeWVT?= =?utf-8?B?aUE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 6babfcb4-00bf-4a0c-98c4-08dd2388989f X-MS-Exchange-CrossTenant-AuthSource: SN7PR11MB7566.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Dec 2024 19:32:54.0976 (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: ka2PaFfKzr0KWQCSCtCOxuwDwRMfnJOqGQnNtQX07ORzVZ3eB+BmIpeTfIXcmO9WiwxwgX+w0zsBmF2e0kYB+JtSCvcmbGfWGyflWiRjiQQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB5832 X-OriginatorOrg: intel.com Hi Tony, On 12/18/24 3:34 PM, Luck, Tony wrote: >> static void rdt_get_sdciae_alloc_cfg(struct rdt_resource *r) >> { >> r->cache.io_alloc_capable = true; >> + resctrl_file_fflags_init("io_alloc", >> + RFTYPE_CTRL_INFO | RFTYPE_RES_CACHE); >> } > > I think those fflags will make this file appear in all info cache directories > (L2 and L3). > > Presumably you only want this file (and "io_alloc_cbm" added by next > patch) in the L3 directory. Could you please elaborate why this file should only be in L3 directory? I do not see the problem with having it in L2. "io_alloc" communicates to user space if this I/O alloc feature is supported and does so with its content as opposed to its existence. For L2 it will indicate that the feature is not supported. Reinette