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Wysocki" , Nathan Fontenot , Deepak Sharma , "Alex Deucher" , Mario Limonciello , Jinzhou Su , Perry Yuan , Xiaojian Du , Viresh Kumar , Borislav Petkov , , Meng Li Subject: [Suggested-by:Shuah Khan Patch 1/1] cpufreq: amd-pstate: Add explanation for X86_AMD_PSTATE_UT Date: Thu, 1 Sep 2022 22:33:13 +0800 Message-ID: <20220901143313.1491951-2-li.meng@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220901143313.1491951-1-li.meng@amd.com> References: <20220901143313.1491951-1-li.meng@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e0de4e50-b735-45c8-c548-08da8c26f391 X-MS-TrafficTypeDiagnostic: DM6PR12MB4466:EE_ 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230016)(4636009)(396003)(346002)(39860400002)(136003)(376002)(46966006)(40470700004)(36840700001)(82740400003)(7696005)(356005)(81166007)(47076005)(336012)(186003)(426003)(16526019)(36860700001)(2616005)(1076003)(6666004)(8936002)(40460700003)(2906002)(8676002)(4326008)(86362001)(5660300002)(82310400005)(36756003)(478600001)(40480700001)(26005)(41300700001)(70586007)(70206006)(54906003)(316002)(110136005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Sep 2022 14:33:34.7377 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e0de4e50-b735-45c8-c548-08da8c26f391 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF00001A60.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4466 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This kernel module is used for testing. It's safe to say M here. It can be modprobed even without amd-pstate module. When the comparison test is performed, it can load other module like acpi-cpufreq to test cases, then compare the test results. When only the test for amd-pstate is performed, it can tell the users they loaded a wrong module like acpi-cpufreq. Signed-off-by: Meng Li --- drivers/cpufreq/Kconfig.x86 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index fdd819069d72..fd1582716c58 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -58,6 +58,12 @@ config X86_AMD_PSTATE_UT help This kernel module is used for testing. It's safe to say M here. + It can be modprobed even without amd-pstate module. + When the comparison test is performed, it can load other module + like acpi-cpufreq to test cases, then compare the test results. + When only the test for amd-pstate is performed, it can tell the + users they loaded a wrong module like acpi-cpufreq. + config X86_ACPI_CPUFREQ tristate "ACPI Processor P-States driver" depends on ACPI_PROCESSOR -- 2.34.1