From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754606AbcBVMpb (ORCPT ); Mon, 22 Feb 2016 07:45:31 -0500 Received: from mail-bn1on0099.outbound.protection.outlook.com ([157.56.110.99]:15384 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753819AbcBVMpa (ORCPT ); Mon, 22 Feb 2016 07:45:30 -0500 Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=caviumnetworks.com; Date: Mon, 22 Feb 2016 13:45:14 +0100 From: Jan Glauber To: Will Deacon CC: Mark Rutland , , Subject: Re: [PATCH v4 4/5] arm64/perf: Enable PMCR long cycle counter bit Message-ID: <20160222124514.GB766@hardcore> References: <467597048eda3004bd69f1fbe3981aab111e00dd.1455810755.git.jglauber@cavium.com> <20160218173428.GE16883@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20160218173428.GE16883@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Originating-IP: [88.66.101.161] X-ClientProxiedBy: DB5PR02CA0025.eurprd02.prod.outlook.com (25.161.237.35) To CO2PR0701MB759.namprd07.prod.outlook.com (10.141.245.21) X-Microsoft-Exchange-Diagnostics: 1;CO2PR0701MB759;2:dNe4peeIqJbO0iePFsqAeFF5FTPYQICaLHPI8G2MxuZxawef0DuTYAxff7rocXV61j4nt6+tvrqwDtO5G2a2A03dpka+vyB0yYzHvpVtkUmJ3TbsK3ygqsHoqfLOj+Wte+zFNlIgvB2Wx5bzsMpM/A==;3:nagSm3BAGwqsSLqzw6Rh4TJTnICxnxlEPAzwOETFZz+8fwhqA63iktQEfsygWWQVBALcxMB2ovxAJJ1g6G0RnITbIwvsAVu+eQ8J3Z1kza8yjH40hBkP/dOrxoIYm3Wt;25:cbvFym05bswZEWtD4H87jQUQSjwTa45SHjBFoS75A1HlhmOleCTZVt+2XwcvFhWos2OuPR4ij59Au77MWRNT//VnCLlBNssEtuDK7wvEvXTpsLsPBSYEUcmOFpQArgKPiL90Z38N67mfkbR0EzOrJMx2Rr9KreT/T78jTFmG9uuI1v5yoUqxZY7XZFefhtVzLnu8BmXorTKycij9/FSjMeYhuF0c2PflvkVxXNfKY882xqgW9IoAhSAqf1mkW/J7B6l8dqiXflqHzFdFJcCH5v0kFOD5GIc2+8KBQtgTF5D/UZx9wd1ECObhItjWfQ1HaSiVsYAldGI08rfKe2p9YzY4pLL34nUUZQgyFXBnscI= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CO2PR0701MB759; 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X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1;CO2PR0701MB759;23:6Elot6khYSbJmezigNjFeRIS4iO0G/YqFObdXXnh?= =?us-ascii?Q?hHweaE9FoVwTS3GFh+0U+dANJenwQDTlNsIBtKby81Nz8aNVssqAqGfXndyF?= =?us-ascii?Q?C6rDBo79BuzH9+DpD2xQB82BKMa0MA9gvI9TOrIWC1K6fbNn8i2hs74bnpra?= =?us-ascii?Q?QtLc5TuBxCoCF4G9iezcT/omiy8ECsyjWGgu3pcec1/PjJLoB/eMKtoaqTcr?= =?us-ascii?Q?t+/2dATg+DxHgbsoYtbsgpALW40y6EMtyoQeXjIwO47AwpCVN0ZSIYYUqGTS?= =?us-ascii?Q?4yfVD7FZcoJQfQWW3wyp/8EosiLeVjN5IzAmEj8GkopxQnJ8+JxVJKie8eAv?= =?us-ascii?Q?hRreb6FgRVq4wGDbKrecaQBn56h4DUlYjDIxjdbmSI27bZnCa2MHNXRXMv+n?= =?us-ascii?Q?mL2Pa9nhGYF5gGwmCj6S4illkAUqv15mna9eL+2AxkACwc8TCtFxRcyutbs6?= =?us-ascii?Q?8zO/QnwD4GYOcUqP52JLJ6kVauWjaD3BkeS5u+ZvG3ApPd41PVXvuR4qphRn?= =?us-ascii?Q?AFYVQhqp0bSOog4xKCNDDXVefHHSjKC1dh67gM5kjdoyT+pRKrkB1YReI7wj?= =?us-ascii?Q?wN0HItRn1Fn1ros8MoQjAGZ+FzbfXsONp1OezQFVG1qr+upO16QqW//Ey7RD?= =?us-ascii?Q?LB/6PTpuKwnVUIFXAW/VPkLCKw2U59w/ZqAwXVqDZQ2/br5oKfiz/iGKxVW3?= =?us-ascii?Q?PGnNnC61b3pJwsHpVixewnsJAjIxMa1dmW42CW6AYSLPdz1UhBxMR+MjERFd?= =?us-ascii?Q?F0RLMQLp6xvI06cPp6xGfE42g0YrE5VDzdBoDa0SiKJ52VXocw10Ibu6QfZI?= =?us-ascii?Q?qRJ03scoNIWq4jHRyUpVNoNkFqoMLuGIMgk/VtRiilwqLsG4yuszUqOGJUBK?= =?us-ascii?Q?7FexoypQtqmYvOFrinZpL94EGl6/g5FDH5VbUdkhOGgBddeewiIlLdANRTko?= =?us-ascii?Q?ijmAHM4RMbCeTSxQn4FvfbIDLu71ifuPf1W1RAv+Yf08A8Ckt5/5nBi1EJdB?= =?us-ascii?Q?saLxAd+0KtGirQVvW5IqMgZR0o5OX2zLLkLFaYaXFhNA51MChEuxC7pdu3n9?= =?us-ascii?Q?yXkGIXM=3D?= X-Microsoft-Exchange-Diagnostics: 1;CO2PR0701MB759;5:oy9l51pJuDn8RGaEzfzsxBgnZeY7zvOYna4u3JmzCcvGlHTWbzPUMeMP1dse+2wPKiAYPj0jc6wij180G0iOas4N8fZNp92YiBnaXkrk0L7lovD4fdMtW5S2rgEny07cMT13l4gpKp//rS0RjEDl4A==;24:gfTmvQTSGn/YXaxo88EgeZwWcRhyuxIE5zNiRoUv33SHPv9+AfyzO3jwhOErNppGFXsc15aT2yMLL+84r/7Gi8uOnvXcuQCEenj8EVYfFiw= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Feb 2016 12:45:26.7692 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR0701MB759 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 18, 2016 at 05:34:28PM +0000, Will Deacon wrote: > On Thu, Feb 18, 2016 at 05:50:13PM +0100, Jan Glauber wrote: > > With the long cycle counter bit (LC) disabled the cycle counter is not > > working on ThunderX SOC (ThunderX only implements Aarch64). > > Also, according to documentation LC == 0 is deprecated. > > > > To keep the code simple the patch does not introduce 64 bit wide counter > > functions. Instead writing the cycle counter always sets the upper > > 32 bits so overflow interrupts are generated as before. > > > > Original patch from Andrew Pinksi > > What does this mean? Do we need Andrew's S-o-B, or is this a fresh patch? Hi Will, Please let me know if I should repost or not, FWIW I got Andrew's S-o-B on the patch. Thanks, Jan > Will