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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [Patch v2 1/2] cpufreq: tegra194: save CPU data to avoid repeated SMP calls Content-Language: en-US To: Jon Hunter , , , , , CC: , , , "Sumit Gupta" References: <20230901164113.29139-1-sumitg@nvidia.com> <20230901164113.29139-2-sumitg@nvidia.com> From: Sumit Gupta In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001504:EE_|CH3PR12MB8548:EE_ X-MS-Office365-Filtering-Correlation-Id: b1722d9f-13df-4297-72bb-08dbab24dec8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(346002)(396003)(376002)(136003)(39860400002)(82310400011)(451199024)(1800799009)(186009)(36840700001)(40470700004)(46966006)(6666004)(53546011)(107886003)(478600001)(83380400001)(2616005)(336012)(426003)(26005)(16526019)(4744005)(2906002)(41300700001)(316002)(16576012)(54906003)(70206006)(8936002)(70586007)(110136005)(5660300002)(8676002)(4326008)(40460700003)(36756003)(40480700001)(47076005)(86362001)(36860700001)(31696002)(356005)(31686004)(82740400003)(7636003)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Sep 2023 19:51:44.6501 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b1722d9f-13df-4297-72bb-08dbab24dec8 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001504.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8548 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/09/23 23:28, Jon Hunter wrote: > > > On 01/09/2023 17:41, Sumit Gupta wrote: >> Currently, we make SMP call on every frequency set request to get the >> physical 'CPU ID' and 'CLUSTER ID' for the target CPU. This change >> optimizes the repeated calls by storing the physical IDs and the per >> core frequency register offset for all CPUs during boot. Later this >> info is used directly when required to set the frequency or read it >> from ACTMON counters. >> >> Signed-off-by: Sumit Gupta >> --- > > You should list the changes you made in V2 under the above '---' so it > is clear to the reviewers what has changed. I believe in this case you > simply change the subject but please clarify. > > Jon > Yes, only changed the subject. There is no other change. Sorry, forgot to mention. Thank you, Sumit Gupta