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b=CEeTRutCXfeIiyZOodztDnnd9NDO0cvyI0jznqJP8PyC1vOTLy7L4HJ2K/WApdJtZXSkILa4g5buVkLbS02BmYFcbnmSm3aiCjs5bWQz7ofIgFct60+w6UTMYikQlklBaqnNUQPZhjdfLK9cW/Aw1H/iWF+7KYEkR3D9SGlj8E0= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from BL1PR12MB5320.namprd12.prod.outlook.com (2603:10b6:208:314::17) by IA1PR12MB6651.namprd12.prod.outlook.com (2603:10b6:208:3a0::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.428.16; Mon, 21 Sep 2026 17:45:20 +0000 Received: from BL1PR12MB5320.namprd12.prod.outlook.com ([fe80::1876:4a6d:2cf5:b8d1]) by BL1PR12MB5320.namprd12.prod.outlook.com ([fe80::1876:4a6d:2cf5:b8d1%5]) with mapi id 15.21.0428.015; Mon, 21 Sep 2026 17:45:20 +0000 Message-ID: <7c80c9c1-051c-4ba7-bc4a-d4fce7b263e4@amd.com> Date: Mon, 21 Sep 2026 12:45:18 -0500 User-Agent: Mozilla Thunderbird Beta From: Babu Moger Subject: Re: [PATCH v12 09/25] fs/resctrl: Remove redundant calls to resctrl_{alloc,mon}_capable() To: Tony Luck , Fenghua Yu , Reinette Chatre , Maciej Wieczor-Retman , Peter Newman , James Morse , Drew Fustini , Dave Martin , Chen Yu , David E Box , x86@kernel.org Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, patches@lists.linux.dev References: <20260916231320.14502-1-tony.luck@intel.com> <20260916231320.14502-10-tony.luck@intel.com> Content-Language: en-US In-Reply-To: <20260916231320.14502-10-tony.luck@intel.com> Content-Type: text/plain; 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It does this by scanning all resources. > > Redundant calls to resctrl_mon_capable() in hot code paths should > be eliminated. There are two prime examples: two -> three ? Thanks Babu