From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2044.outbound.protection.outlook.com [40.107.92.44]) (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 9FB241E0DFE; Tue, 13 May 2025 08:45:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.92.44 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747125903; cv=fail; b=FhYgbar8hBtrEPgu4NytlSOsOnHuWG5wNfGmFDjrOmnLkd3eanzV3wjCD2rV3mLJ2wZdC6fUlGvy2IbmBW+n6JVtq2c7q4xEQMVaKfzlkL/2t1lkNXbbJeAOXqzpMs4XtOXnEN3LobEdtFahdsaWMevy3vV0TooR1kAUAzGVFF4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747125903; c=relaxed/simple; bh=E5Eq6iYaKabtK7LQZExOq0NkITWwSlEEjZ+4CXmkQ5o=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=rHwkqPXhlolVBG90A8mn9mem0PQ5j7iZZnCCT675PnayKpQbn3z8uCeKNZEoCPD0jnEYlAUTaDP6WXnERewTvzno950q+OwOJRQYzJL5fNgEbvQLu0zDSUMx2LJnWv7YwN6Yyl/kWB0Op8t+l2hK9Fm6zvrQB3YKbe4KEWdqvrA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=kITatKau; arc=fail smtp.client-ip=40.107.92.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="kITatKau" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=hMXYTBE0PNXU4Mv8kOTLqo4ztC8CS+w912lLp3o/cvkSVu1sf+EeRqEABTPYny1Z5uzcW+VK89UE48UE3O2tYNqbjNsn++2IpsJFCuseOu10x2m+1ndWXca2vvX1BDUinHnNrEZrJjBHy2WAsZs6GTCL2i2kRdCgK0G7n33pXNQpPQualaGUdpcJUk1uNaV8m+gQVFk6PgHyqFEgeSMpQMRSfmtjmRglFY2naNGygsrFdnDec7A8mavgR4VjfdyhvxXs9GN8Pa294xFDZsS18/mJphB36kN9NuRlqpdMPx+PXtkzRuOJKgDdGeEhvyn+EPvj7K7e5H+IL3rzPx/Www== 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=ZJKVPQRPIxfWW0Q3XpuvbtCoiwIdDTcXugpPgY39UMw=; b=SscyRn/AZTcj1sCezMcVX/AHs8AZit37iJm3Y/rrEPs34EIeMr8ol32NYJ6G8cbF6Wd0TxdBw70jIQ4HQneBwq8+XF2Zr9EDvcYQtaCW68u96Um1ogiriQhBQWCuNmB+gmGVpJDHehvPC885Kbw0eKipVL5TCroEZSajn4h+iiRQaFUmscqndRBVhlZxVTfO48tCHpjSf6Fwf8yR7vkihS+RYDVaEL40kA6g2HosNOieO4Kq4JVamxKoI7PNKjsYF0KowZPHpZpZujfhC7ISrAeGgSnOnegwmCWPOD3uwyt7Z21/iOtXnp7g/C/Cv5mDPEhtOXRcr5wlCcJp4F5cEg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZJKVPQRPIxfWW0Q3XpuvbtCoiwIdDTcXugpPgY39UMw=; b=kITatKauiLJnUTQ3tFBDgYj/hZLAu5X/i7/ftUaRtZXFxmBxOGdIm3F/UHE90guixt4z9GIPHuRADyMdRGjPYpWIxFzjw/5Xn/ZlW/HPUIN33Bkv8WAG9LAyRV66C2Bko1nxpfGmewGXZvxiV03OWJtFoCynJfTzwpqFOwWPuTI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from PH7PR12MB6588.namprd12.prod.outlook.com (2603:10b6:510:210::10) by DM3PR12MB9434.namprd12.prod.outlook.com (2603:10b6:0:4b::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8722.27; Tue, 13 May 2025 08:44:58 +0000 Received: from PH7PR12MB6588.namprd12.prod.outlook.com ([fe80::5e9c:4117:b5e0:cf39]) by PH7PR12MB6588.namprd12.prod.outlook.com ([fe80::5e9c:4117:b5e0:cf39%7]) with mapi id 15.20.8722.027; Tue, 13 May 2025 08:44:58 +0000 Message-ID: Date: Tue, 13 May 2025 14:14:49 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 03/15] perf/x86/amd: Remove driver-specific throttle support To: kan.liang@linux.intel.com Cc: peterz@infradead.org, mingo@redhat.com, namhyung@kernel.org, irogers@google.com, mark.rutland@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, eranian@google.com, ctshao@google.com, tmricht@linux.ibm.com, Sandipan Das , Ravi Bangoria References: <20250506164740.1317237-1-kan.liang@linux.intel.com> <20250506164740.1317237-4-kan.liang@linux.intel.com> Content-Language: en-US From: Ravi Bangoria In-Reply-To: <20250506164740.1317237-4-kan.liang@linux.intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PN4P287CA0085.INDP287.PROD.OUTLOOK.COM (2603:1096:c01:268::12) To PH7PR12MB6588.namprd12.prod.outlook.com (2603:10b6:510:210::10) 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: PH7PR12MB6588:EE_|DM3PR12MB9434:EE_ X-MS-Office365-Filtering-Correlation-Id: 519e56e2-148c-4dd6-bb17-08dd91fa70cc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?S2VoNjNMcjcvajJET0RHMm9yaXI0clU3U2ZUeWdyL09mRWFnT1ZrQU11dVB6?= =?utf-8?B?OWI1bzNSb2RGZ1NMcUNFVjNUVWdNYUVYOHhGdXhsbkN2blZWR25OU3A3SzJL?= =?utf-8?B?SHFFYVhXZXpQRklUV2QwRmtGcUxHSzcwMTFNSnAvaGM5RTVUYVhSUzBJenRG?= =?utf-8?B?Q0xabkk3b0hIV0tnRjRTZUt0UCt2UGU3cjlvaVZHbGVWa2NhZm9FRytJVjg2?= =?utf-8?B?V1hmWVJCUVpLZGlaMGJ4TlR5S1M1VDhRcWNzUEMxOHduZFU5R21vR3ZUcXZ6?= =?utf-8?B?V0pYdDdML3JqUUJUM3B4bktIYkMvemNmKzZiY3JrTzBFMURzVzlSaUFMSHBF?= =?utf-8?B?SXJNRVhsemJlY3JsQllzYkF0WmRvVDdkK054K3FHaTJZNGh4Wk9ZMnF3aWdp?= =?utf-8?B?Vm5LRWxHQmRESE91SnQwelQ4Vm9DTmUzd2c4OWNTa0puUkI2QjJQZDg3OUlT?= =?utf-8?B?UWtnQUxYN0pxdWFzalA3RlhRVWVsUkxpcVU1b1RZbmZmaDNRVXIvd1FwZnBW?= =?utf-8?B?UitIYzEvZ3RwcUJNL0hoZ2JFZDh1dmc4ZzNmcFJKWkRocFhuVXFKWkFIYW9h?= =?utf-8?B?TmxKVXc0WWs1cEw4Um1paU1UZWZkZ0h2NlBJbll2Q0w3ZmZwcWNHSWtjekhu?= =?utf-8?B?dVRHRDg4UUVESkxxVCszRzk4OG51YnlzTkE2YjF5YmRpYThSN053RGZpQkZx?= =?utf-8?B?RTFTVk9jcWIweDBnSk9neFR6RzMwSkJmQnVJdzhKaVVaQ1VzM1FlU1VaRER2?= =?utf-8?B?SEhFWWZmTzVEeUVjNHZsa1Y2Z0ZuWUNzZVA3ZllWbkNKcDRHU0VFUjdLN00w?= =?utf-8?B?MVRva3N6bTNLUFBRSWg5N2w3V0VRK2MzUk0xbmFncm04cFpRbWNLZGhYeEh2?= =?utf-8?B?MHZwbWl2Z1JoTGJOUnB0RVVxZmhhQkdOcFdDTWVXc2JpS05FaFdmSVZkdXZ6?= =?utf-8?B?ZTV5WUFuMXZmcG8zc1Y1UHF4RWhsTmZFVzFLSHBqcCtNcHdGUVNEbXo5MVhl?= =?utf-8?B?ejhzRXBSeVJQek5vOFFJNlowV2lEUzdrUHQwMEpsMXdZdUJwU2lrdnNkMlQz?= =?utf-8?B?N1Nub2NsRWNCQXoyRDdGOFRRYm9jOGoyNGVCNzJ6aUpYZXdnUzlyaUpaakRX?= =?utf-8?B?dkxacjR1S2dLUk1oWW5vVUNVTk5qU2tqVGFBbFNZS2d2SmtEajhIWmNEUzUv?= =?utf-8?B?Yy90bEFTQTh2ZFhMVG1ydGJORmt1UUZsZ2Zsb2ptUVNKTWxoOFBwamlMenBq?= =?utf-8?B?N01pSWFySDFGd2RTcExSNHdGN2M0ZkxQcDdFY2RDVW9kRkI0RkNmaGFnTU1n?= =?utf-8?B?eWpXcEk1clRibUJ6d2NheVM0c0wxejRxZnNhOXgvdUcxUU1SMmZUTVl6VlJn?= =?utf-8?B?b0tpeDJheEhmRzRsbmRldFk0eGxaZVRKQVFSTnBXRVVoN09Wd2JSOVJyK2U5?= =?utf-8?B?M3hDUldLRW1IS3ZUY2lZMlpIcnRuUzRLVXNHRkRtTzBZTkFBWVVOM29qWkxH?= =?utf-8?B?azltK0pvSm5nK1lPc0N1YmVCVmhNTFJMREtwRHM1N0ZsTUFQd0w3NTRlcHd3?= =?utf-8?B?QzY5OFhZMmJnMDErYTlnR1NaVWt6aDBvSWRjVHV5Q3dzOTJTdDJIOUpxZnA4?= =?utf-8?B?dFU1cEhOMWt1TTlUTFMrZlpEVStYUUE5TzlxSlVuYnBqaUlubzRGeGdLVC9k?= =?utf-8?B?NWdtaVYwZ0U5QWVtM283N1VNYkpucjY4eTZxc2tNaTlYR3VBT00zRXVMSUZT?= =?utf-8?B?VVlsYnVwbG5CTFVuVWJaaktxMWQxcFNqdmQwdHVRZzFSYk9RNGNlLzlhZTVU?= =?utf-8?B?b0lSblNDeGpKaUFMWGFjTjBGT25SbHo5NGU1anNyNFJWa2ZLejlEaDU4ZzBm?= =?utf-8?B?MDFTQ1BiMTFvQklTdDNBQW5KdHlMRTZkRFJYWUY4amFIbGc9PQ==?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH7PR12MB6588.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(7416014)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?S3MxS01mNVFiT2RUMzhkd0hXUEliVHZ5UCtjNE91M0s1dmJzZGhLMGFzKzl2?= =?utf-8?B?K3NTbEZIYm5mR0JXKzYwSmwrZzAwZDNCZyt1TGliMDJabTU0elZTTVVBbEp6?= =?utf-8?B?U3VzVXdObjV2OUpGeXJSaTZCSENFcFdMNUxZUVVqYW5wUzFVbFBNWUtkcmZQ?= =?utf-8?B?QXhYNUNrYjFCZlo1OTVkS0ZEZ0FsK0gxUmI1aWJuQ3BQckpaSzJ6R3V2TXlI?= =?utf-8?B?em5jcFB1RFl1bm9JOTMvMWtMTEcrR291YkdzK245U29MbnJCa241RTZoVEVs?= =?utf-8?B?Zk14Ny80U2JDUUF4a0xFbGVOdlM1MEZvNE5kMDBYUUNvQVNreVJwemVLVFBL?= =?utf-8?B?bldzVllNeUZwWk1PcGFZQ25xR2FsSHlFUTR5c2U2QXZoakRKSGJIVGM0Ykwr?= =?utf-8?B?ZGtoUldTU1kwVzg5MGIxTXF6dDBvRzc3T1lONkRvMU80Vk9rSGg5TGxvU0l5?= =?utf-8?B?aUZiTEdZYXE3QnFUeE5wQmRUZGY4N1dRT01Kb2pLVytYYlNYTWR5WlROOFJn?= =?utf-8?B?bWlOazZpWk5aZEtVVk9ZcnREMDhKbk4xL2JGUjhWKytvNG52M2RiUGYwN05W?= =?utf-8?B?SmJ2bXdyNVJDbXIvYy9HTE1PcERNWGk1UlVzQUNvMFpMZDlSVlNtZFA0Qk5Z?= =?utf-8?B?M0k3dEI5b3YxajBRbGNNaXBkOWdYTHNHTFVGRHRUckNWUFR5MW9uWm9KWnJl?= =?utf-8?B?V1lqekNZSG9paTgyVVk1Sm1yUkN2V01ONFpnb0YzaHVEUUlqS2pwaEZtNTVW?= =?utf-8?B?dTVuUTdad21DMk1waHdjREhlc2JER1JCMGFpWll5NlV1TERGa2o0cjFEcHc1?= =?utf-8?B?d1I2ZmdQVzRJNFJxeHQ2VUg5aGtiWFZnYmptc0dFUVFnSkZ3ZTZrODE0bUVa?= =?utf-8?B?Vnl2L01SSGN0U2dzNE1kRnI3SjdNUzhqd1VNSlRrazFYVzB6VkEyS2NITHpO?= =?utf-8?B?T0c1MEtxMVdLTElnM3M0YlRJQVBNQUE1a05PbmlwR0lrNHVqMFhDWXkxSnF3?= =?utf-8?B?cHJZbHBFSWZJaTYzVllHL0Z1c1FyTGM5MXNMaXZPbkxjT2xxNXk3V1lLTjJB?= =?utf-8?B?eTZUOW45R29kOTBoYmY0TkxabUY0VXEwVlllNXZyNXhBT2dsNUZNTVZNSnlZ?= =?utf-8?B?dGhGcGc5dGd5TjJVSG5lQ0psWUlHVGNXRVZodGw0L3JTcC9PdEljV0FUb2U1?= =?utf-8?B?SzFzbWI4eHJJeUszeFg2ZzNCU3VrZHE2QXJobGQrSnhpN3dia05PeG84OEth?= =?utf-8?B?SWd4YVQ5bU01T1p3V0NOUmVnV0VLU00wMGZtZlRBdTlZdFA5Qyt5cG10cVo1?= =?utf-8?B?dVUrZTV6VGtPcStjVXZ1eVQ3M3IzN3ZJTVpsSmVBVGhwVEFOcUphaUsyeVhx?= =?utf-8?B?WnFUSGNUVi9IRi9MRktuSHpqOG5FeHBmcmp2eUxTNmFVdlhEWmc5cGhyaWhI?= =?utf-8?B?SFBHaXQ2L2hnb0lnOWVaa2pNMnl4K2JLZDdGL0lGQkJPMi9Rc1RxdUh5MUh0?= =?utf-8?B?SmhkY2lrUG1qdXN4U2VGZkk2MzV0d2FuUzlxUVRQUkU2RTIwRmlGRU1ORCtr?= =?utf-8?B?VDhXUTNyS1BxSUhvUVl3bDRmQXRkQXBXWTdZNDZRTS9lVXdKVGN3NVNZY2NZ?= =?utf-8?B?VmVxWFBybUpqZDB2Y0llWS9UL2tRQnpDVnYxNWtwbVZhY1ROQ3RsTytFN0Rj?= =?utf-8?B?ZFppS0RXOWxYbW9vNmgyWEgyWWJGUDg5TTZ6WTZZeEJiMFhUaTRJZzI4S0tB?= =?utf-8?B?M082UEpTYU5IenErUUdhT2o1ODZORVJGM083aUNtZ2Y2K2VmalFUcUdydEp5?= =?utf-8?B?YmZ3U0VQRklYU2Q0RWJ5UDFJbW0xaHpFRXhTd1ZndW1YQzZiNm1BT3hZSnRP?= =?utf-8?B?V3FidWRjRlFhRGp2MEVmbUZJVEIwTFdTR3JoYkYwcVg4VmRkWnFwOUNUNzJx?= =?utf-8?B?bXpuYktoTHdqdkxRVXRrL05DblZ6SWJhNkwvRDVkdFhIT0YwQ21FaFBaSXZZ?= =?utf-8?B?YmhHQUZDTUNmZXJCK0U2ZTFCcDlGV3BWc3AyMmxpUWlvTnNVZEpNTHYwd3Rx?= =?utf-8?B?cXVIcEN3TWRQcEkzRjJicGZMbmJiUHRJd3UvSFV6WGhFYTg1eStNdTZhS2xz?= =?utf-8?Q?QL651fBFzlBlDnzPUnFxPSJpy?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 519e56e2-148c-4dd6-bb17-08dd91fa70cc X-MS-Exchange-CrossTenant-AuthSource: PH7PR12MB6588.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2025 08:44:58.0741 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4wUwBartM04DZXDnMEV8FfYwLxjHRJcO6z5XYTac1kMVJnW8oXGJcIjJOVx+rU3v/HhmqlSxpDRg93K4+hOQbw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PR12MB9434 Hi Kan, On 06-May-25 10:17 PM, kan.liang@linux.intel.com wrote: > From: Kan Liang > > The throttle support has been added in the generic code. Remove > the driver-specific throttle support. > > Besides the throttle, perf_event_overflow may return true because of > event_limit. It already does an inatomic event disable. The pmu->stop > is not required either. > > Signed-off-by: Kan Liang > Cc: Sandipan Das > Cc: Ravi Bangoria Reviewed-by: Ravi Bangoria Thanks, Ravi