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Thu, 13 Nov 2025 22:47:51 +0000 Message-ID: Date: Thu, 13 Nov 2025 14:47:41 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v13 20/32] x86/resctrl: Read telemetry events To: Tony Luck , Fenghua Yu , "Maciej Wieczor-Retman" , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Chen Yu CC: , , References: <20251029162118.40604-1-tony.luck@intel.com> <20251029162118.40604-21-tony.luck@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <20251029162118.40604-21-tony.luck@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: RI1P284CA0123.BRAP284.PROD.OUTLOOK.COM (2603:10d6:10:157::11) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|PH3PPF91320C45A:EE_ X-MS-Office365-Filtering-Correlation-Id: 33b22d78-dddb-4bd6-7d35-08de2306acf3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; 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If an aggregator hasn't received any data for a > + * specific RMID, the MMIO read indicates that data is not valid. > + * Return success if at least one aggregator has valid data. > + */ > +int intel_aet_read_event(int domid, u32 rmid, enum resctrl_event_id eventid, > + void *arch_priv, u64 *val) Is eventid needed? It could perhaps be used as a sanity check of pevt->id but if it is not used then it can be dropped. Reinette