From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 87AC71D54F7 for ; Mon, 31 Mar 2025 12:31:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.20 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743424285; cv=fail; b=bZ+PDknS791CJ4pF0p132ufGQsmNIniNZm11B9a5kyttIoBkh8bn8Y9/qioh8Jk5qI84VuayErWciaCFeeYzi8/IJUIValN69cXhpKHx+t27GFFpR7eUBlCxyPp3TtIN8OhD9PFCioAZeVjbPRL3P8qvLsaKXiJgCMB03f2mLdU= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743424285; c=relaxed/simple; bh=nDwyaokSLIoSR04GMXkU2Q0+p8HL7gYVNtHqRui//MI=; h=Date:From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=nlyPYrF+SCkYaESX32byLMo67srPY5qYOrgkTuWa4sxVZpEbLZTipPS+AVoNPtvuHUyHV3rxbCNZBLx+XSGng8IbO3jQXJUh8xef22y/zRSkKaeho2cDTtjGRmQfsMw1pcpas1fP+VLu3Qbjl97Yn1bZVGRVzjoSKa5AQcb+Xy8= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ZJWzy6HK; arc=fail smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ZJWzy6HK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743424284; x=1774960284; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=nDwyaokSLIoSR04GMXkU2Q0+p8HL7gYVNtHqRui//MI=; b=ZJWzy6HK6DuO+4JAlpYWdmmqNCQX43K7AVc9pZYMlleHROn7c/JgfSxa 2saH2WMeYefCSmnIB7Z0j6wU7JSdSmoSADj6/q15iI8Ts66Itxt+2GtFj qUmiQMRQstTxjlNHItJq162IawEyUViShwsiJVWw1I6aw20BsEu9C7yYW Ln8HabzhSMrQg9XfAm2yDbtAzXkzcGQ6CH8BR+PkZWquLeybZ/LWI9ZIl jfBUjp1+gcXwWxiwmTd1Wrv87naNpqiBvaJhurgOiko7f6hnfj+4qb4S5 SlVmjtdagk9gvH3xjNRXfRE1gAC+KgKP+M7oh0o7qDbsOOn6aHV59xxEO w==; X-CSE-ConnectionGUID: yAY3BbrQRGKkcS947gdGmw== X-CSE-MsgGUID: wd2LJG/AQ8GUX89zJWhT6Q== X-IronPort-AV: E=McAfee;i="6700,10204,11390"; a="44421270" X-IronPort-AV: E=Sophos;i="6.14,290,1736841600"; d="scan'208";a="44421270" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2025 05:31:24 -0700 X-CSE-ConnectionGUID: 5u3tXpZwQXuLkzrM6qX2lg== X-CSE-MsgGUID: yMUR42lOQWenDUE7PQ2dZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,290,1736841600"; d="scan'208";a="131185213" Received: from orsmsx601.amr.corp.intel.com ([10.22.229.14]) by fmviesa004.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 31 Mar 2025 05:31:23 -0700 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Mon, 31 Mar 2025 05:31:22 -0700 Received: from ORSEDG602.ED.cps.intel.com (10.7.248.7) by orsmsx601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44 via Frontend Transport; Mon, 31 Mar 2025 05:31:22 -0700 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (104.47.66.40) by edgegateway.intel.com (134.134.137.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Mon, 31 Mar 2025 05:31:21 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=k4qEWKjOaKcdC/WMk59Apibbe2k7KAh0zqUQUvz1raiMZZIHu8W3EfH84YjZGEg+Sg0EvlEjSnO4nT/LK4R6PHcaqb1WRJpvj4z/5xXZYkKu5LlIgUuzVDmfQH3mbqsbVAoajOOlsXuQfbtAV3wUuSlmKYkJJ5f/BTmE6ECjSRWwzwXVbBbBLAT+WREWAwJIrNuuDOcqvs1KWwRpZJQAuZE5GbH3vK+CS1Vu+wbccCaiYyiUraUyTOWJAdGHv0dxt3Zawae+mPXuNtqHrEA5sgf2x24ZujdXOaWTbNmsmpXVAyvWl/gZIP8xRssRmdBsxDQJC6BhjVh5OVULbT77fA== 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=JT3Ta5yA07ZhYj7k2EEMgpFkGSGz12i4erhUY9ct7zM=; b=XwrjOqrtF3GzivgUppshzHqgR0EHvlV+oiLyTzCNopc33TuLK10UA4J5S61Jcr2Y0LiSRbNnWHqV1o0CFiEZ+eWT5krzj+geUHoiJKbGGfBGpUTYFPrm5nmaICVBRqnRAPVPk5KGQC9OocpB6hjWbZbPfNJDrDuW6kyYBSVEHHhf84vSTem1HvSNa+mwsk9W1qRvs/WbCaSX7hIGc0UGTQR5qGn18wgGk4YdWutxyu9ghUwBZpM8YMsBw8/pQPqqLS2qj+yRdSa7pFVSeeTLpmihWndZpWWZ2yGy42s6CFDZCgFKUBF6PhHENizTR4gnJ1imk8tUV6vfwJucCGXNXA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from DM4PR11MB5423.namprd11.prod.outlook.com (2603:10b6:5:39b::20) by IA1PR11MB7917.namprd11.prod.outlook.com (2603:10b6:208:3fe::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8534.44; Mon, 31 Mar 2025 12:31:19 +0000 Received: from DM4PR11MB5423.namprd11.prod.outlook.com ([fe80::dffa:e0c8:dbf1:c82e]) by DM4PR11MB5423.namprd11.prod.outlook.com ([fe80::dffa:e0c8:dbf1:c82e%3]) with mapi id 15.20.8534.043; Mon, 31 Mar 2025 12:31:18 +0000 Date: Mon, 31 Mar 2025 20:31:08 +0800 From: Philip Li To: Ingo Molnar CC: Borislav Petkov , , Linus Torvalds , , "Peter Zijlstra" , Josh Poimboeuf , Thomas Gleixner , Andrew Morton Subject: Re: [GIT PULL] objtool fixes and updates Message-ID: References: <20250329153242.GAZ-gSmu8qiXufR04k@fat_crate.local> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: SG2PR04CA0156.apcprd04.prod.outlook.com (2603:1096:4::18) To DM4PR11MB5423.namprd11.prod.outlook.com (2603:10b6:5:39b::20) 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: DM4PR11MB5423:EE_|IA1PR11MB7917:EE_ X-MS-Office365-Filtering-Correlation-Id: dac57250-ecd1-4e5e-3094-08dd704fefb8 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?SipzZQ43XUFCD0a/hwlH/ql09BeY+0xt5xY0f9laPVNplrVA2tNpxTa2+mJI?= =?us-ascii?Q?Qbnee3GdA+D0bu4AUfLhOAr6sLjy45L5HtLrVgmLSTs+brkjg3846hUzavOP?= =?us-ascii?Q?VQwI/y+6mlcPPO8JVk0Es8Eh0tuAhgJ4juzT7dVq4x5d6R+hJpbtIaJTqAKB?= =?us-ascii?Q?P9Uo8Xu+Z9qyIJfGLsLZW6jYvKZfjEhF2Xaok807DTpTmRbJpLluIpR4jHOi?= =?us-ascii?Q?Oj72sCb+X8ar7ep8j558xh4DRvQvZBBR3v15Y4S0gKdCDbctIaOUSSsvXIdG?= =?us-ascii?Q?nIXdmCvf3bOeHiQ5dWpycxldCRIyaAH6/ibpmu7MfTnT1fRBoVNEK1z1AuK4?= =?us-ascii?Q?st2BYM/tfVD5maf+pYu/1/LFFM3aw8GmSNspmRrcLeoFv66cujLpMr35jsnQ?= =?us-ascii?Q?coVSq5DGFMVcozpmd6QQeZorUeokR9WqASSEe2yB0wNqzGe0fJh4/Oj+/ef1?= =?us-ascii?Q?QNUnWji4lLkEtlRU4Cc1d7gpN16cTID8TjVzc5//OgGEvnmm+AkzD6dh2sjy?= =?us-ascii?Q?79IJ63ifbed+ztobqCeFyGNzGVYjoHCpOdlMSVN1S8s9e/h2faNrXPopJRM9?= =?us-ascii?Q?YgBbqwlT4AAmZ7/z5WtfdWIppymElI0urcoSqCckPXgFZHCz0IVTESTH41hL?= =?us-ascii?Q?xTH6XdEPa4YR1A6kodBrfwSngme5odbgTtFQoBiACGhHaYlZrGuWGuuahRcH?= =?us-ascii?Q?maOGHZEvO1noxicPhyMn8EUNcrwKCEICkWnWUBs+y4XOBMP7zhuf2BBlNwWJ?= =?us-ascii?Q?FM/SBwaaDqKTSwaCz9o5vj36z/67Ap3FCUyPEqqQFEzZdWyAJCAJGyD+kHwz?= =?us-ascii?Q?X/47gpn0BdF3Ryxre0bAz0E+yDSojRESgi7toIWE4x0F/eNSfN8Z3Kdg0pbf?= =?us-ascii?Q?rAeLqDUBNpk96GjcdJ28y3wiJ3S0kh7ao3z+kJYunLboanUHkmnh1ZHes6sD?= =?us-ascii?Q?S6zhVrlqnN36PC6nmptn6tEBsFhIMbLsLYFb1SvGjYhGsNJ9f5R+MHuSNLFj?= =?us-ascii?Q?AHZg1EN/BXf+dNeulPmMldRZYW4+aRn4erBBQm6KLMn8N10jiMt+5PWu6oOX?= =?us-ascii?Q?S3FNqizE+7JFGjQdno8X3Fggmk3q411EsrWDniaZU8EuNC7WpTX+iuTvzeJy?= =?us-ascii?Q?k633a5LtKGlS+4D7nJNvIMRXZa46oXe7muA7I+35SE79YuPC3VCBAz0b5suD?= =?us-ascii?Q?uB01zTVqgV4gjI6jcCn01eDJW28/DfKzMP3mI9IjKZUewhpeP3DwPHSZHooL?= =?us-ascii?Q?AWTVldHTTxw5HvU5HE+IP5Og3J/bM1dSXHJEiyA1YmilPyubgJME+OXNfrZM?= =?us-ascii?Q?EgEJXw7oIRwjCRUh7rkRoIN55JakulRSNOsQi3/usVd28YdOYlpBKd5ZYyXr?= =?us-ascii?Q?do9z6BJ/ivK/qaSR17gZmQiDEt/W1+m0AdS4abOjRTI8Og24xw=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR11MB5423.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?dhoMzco22pU2con9+fE8lBNIu1h34QhJk8gVP6LQk8joyQPQe6Ed87t5Qz8S?= =?us-ascii?Q?huXrsCKRDhTWuW5K6gBhjXiubHoHEJdqvz/JvIyQFmIzowELbQxS8JOpQ9SL?= =?us-ascii?Q?ur95ii0s3Ap2mNqkUDJpWUW64hzAhufnsRaBWi8ECKTKsZYtzebBpybFgH7A?= =?us-ascii?Q?FLg9CnBZqZYFfJnYgHDBrUGUs1YkV0dalH01XxG3kylVpaGOaT7U2JGOA9Xf?= =?us-ascii?Q?QmiA+MUrrtkSA1T2GPlYX0W3QPbn8w/Bnt8kxpmzVIT2rEHuEPy5H0ox9dvL?= =?us-ascii?Q?gwPEVaxqa5W0+0M7eieL7vQMttJzrIkobisJpgU53CmPwXmMTOmpFIM1KAYH?= =?us-ascii?Q?opp/P1alsvGgAep0tKoZCZXUt6bqtdXRJcp1daHKPOqcovc9qgBq1fzz0clR?= =?us-ascii?Q?lwW0wKhXqJM1l82LXGa02NEGFr7BIPW1ZRLySYIuT7kzGKik7SKdWl8/+SfU?= =?us-ascii?Q?JgauLmG28YLrX9u4/+pVrajXt3zlp5NKZK5AA31K2n227AjaiqYNNLBrsVBU?= =?us-ascii?Q?N2toGrlPmd1napvgGRLRDZlNeUY6Mg9QDAPUuDoK4e2j6WikzjPxNx/+DJAd?= =?us-ascii?Q?GEgfPEEfmzxw1V+XVcYAp6DanSPhbjA84XGP8mHQMU6a/qwWWwe7xmkYQml0?= =?us-ascii?Q?ZY5NzRMRhoKia/uqAiI/1hd8u3lT+W9nW7oopWke7Zz3em7XFIm4KQl+sPAi?= =?us-ascii?Q?qDAuTsfCSLyaI+6p2P7ct4UF1N/KsjbqyQB6q5SP2OAkfyLKA/rVzPZ+VwR7?= =?us-ascii?Q?DjY8yfSsL3J1AtnOljK1NIxIEnlUyMVQbfAxfirMINs2M1hfzY4zAxdmCIiC?= =?us-ascii?Q?uVrfrOHmTwfZFefjE3oFEuqdlD2+Q+zFbAxFu0h3OZ62Jpc3aPl+0ND7ZMd0?= =?us-ascii?Q?UptSxgHfAiGvLNZf5Vwjy4Z3OZofiGdRF5S52EjUWnIFWYSlwsG/lZ8MW2CA?= =?us-ascii?Q?qnnEMSWTGBL6Q/1MhWoi1pF7guDLQp1nd9Am5NGHaNkJUVg9Da+HJ4ccKAbL?= =?us-ascii?Q?1kZyPKUw+VBZ6KdlzZQsXpQ0iKvtKknr1Ho2+oW0vz1HujotEpWiCGryLTxA?= =?us-ascii?Q?KoyW8TGzd/QDwSx/GMg66Kwpvlh9yW8D1X+gG0fvJ4qREOeTQT2C8LhqgPs2?= =?us-ascii?Q?hQgz4a0WLKRu/zrNuj4W9gxgSiF2yLanULrva+YCwkcQ2SjkU+99jIE3+WxJ?= =?us-ascii?Q?v2pPvoK38fLU37QrgMspD2C0g+3O/Ul4odmaf6eDmvRMKV47GbPv/MB4EoEc?= =?us-ascii?Q?fGyNGeYQsnpaJ5Myz2QDA0E/1ZhxUrYPgRxGexKhTqoRObBHfpQb1hEhrAYC?= =?us-ascii?Q?B6PGQpOz5O+3agpCJea4y0Bhn9AQgmcnklN9nSaBT5Tqih6zGo7uaTIpsp5V?= =?us-ascii?Q?f8QmsMsnB1SMPhIApg4K+Ndu1d0LmCO1TukS/vls05nbt9SQE7wXOuYG9nDl?= =?us-ascii?Q?BndOXbMjLAUOSFEhAkSmGc0CuuyselrQAeOz1HxC8Az7GA5bAOGXyhWa6ovF?= =?us-ascii?Q?YWtoqfm6BxmrW8OzoyPfpSLd7GFDTh8w1/n/1B9Wl61csuJFjuZNOxi4c3c0?= =?us-ascii?Q?YTycrRFOzPzXViAGrtjI6zphuTyguJKpnDHMN0Lg?= X-MS-Exchange-CrossTenant-Network-Message-Id: dac57250-ecd1-4e5e-3094-08dd704fefb8 X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5423.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Mar 2025 12:31:18.6180 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Xhpw8Q5xR403uEMxJJW2fqs44JqtInp09bvqom/oI4aY/WBkrDl7grGaVRnUcsbAicvi96JHNOUC17UXS/KWmw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR11MB7917 X-OriginatorOrg: intel.com On Mon, Mar 31, 2025 at 01:55:25PM +0200, Ingo Molnar wrote: > > * Borislav Petkov wrote: > > > On Fri, Mar 28, 2025 at 10:18:57PM +0100, Ingo Molnar wrote: > > > Linus, > > > > > > Please pull the latest objtool/urgent Git tree from: > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool-urgent-2025-03-28 > > > > > > # HEAD: ae958b12940bcd4ffa32c44684e4f2878bc5e140 objtool, drm/vmwgfx: Don't ignore vmw_send_msg() for ORC > > > > > > [ Merge note: not all driver fixes below have maintainer acks. ] > > > > Btw, test bot complains: > > > > https://lore.kernel.org/r/202503292202.Sge7ZEUc-lkp@intel.com > > AFAICS that particular report is not a new regression, but essentially > a test-bot false positive due to a reporting change, because the > objtool warning output changed. > > This can be seen in the full report: > > https://lore.kernel.org/oe-kbuild-all/202503280703.OARM8SrY-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > arch/loongarch/kernel/traps.o: warning: objtool: show_stack+0xe0: stack state mismatch: reg1[22]=-1+0 reg2[22]=-2-160 > arch/loongarch/kernel/traps.o: warning: objtool: show_stack+0xe0: stack state mismatch: reg1[23]=-1+0 reg2[23]=-2-152 > >> arch/loongarch/kernel/traps.o: warning: objtool: show_stack+0xe0: skipping duplicate warning(s) > > Note how '>>' is the new warning - the summary line added recently that > suggests that there's more warnings. It appears to me the test-bot > considers the other warnings old regressions, but I couldn't find any > trace of them being reported before. Maybe they weren't Cc:-ed to lkml. > > Or maybe these *are* all new warnings. I've Cc:-ed the LKP folks. Hi Ingo and all, sorry for confusion, here only the line with >> is considered as new warning, due to the commit 0a7fb6f07e3a you mentioned. >From the bot logic, the "stack state mismatch" are not regression (not new warnings), which already exists in earlier commit. > > To add confusion to confusion, the test bot also incorrectly attributed > ae958b1294 for that new warning line, and incorrectly categorized it as > a 'recent_error': > > recent_errors > `-- loongarch-randconfig-001-20250328 > `-- arch-loongarch-kernel-traps.o:warning:objtool:show_stack:skipping-duplicate-warning(s) > > While the commit that added this new reporting line is: > > 0a7fb6f07e3a ("objtool: Increase per-function WARN_FUNC() rate limit") > > ... which is a few weeks old and already upstream. We didn't get a > loongson related test-bot regression report for that commit or any > other commits, other than the weeks-late & self-contradictory report > against ae958b1294. For 0a7fb6f07e3a, the bot only reported 2 times on x86 [1][2]. For this loongarch report, the bisection is wrong and is a false positive, I will further check. Meanwhile, the bot will ignore the bisection of this new objtool message as it is not really a new kernel issue. [1] https://lore.kernel.org/oe-kbuild-all/202503191453.uFfxQy5R-lkp@intel.com/ [2] https://lore.kernel.org/oe-kbuild-all/202503181736.zkZUBv4N-lkp@intel.com/ > > So something's wonky with the test-bot reporting in this particular > case for loongson, or my parsing thereof. > > Thanks, > > Ingo >