Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAF43C433EF for ; Mon, 20 Dec 2021 01:51:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237083AbhLTBv0 (ORCPT ); Sun, 19 Dec 2021 20:51:26 -0500 Received: from mga17.intel.com ([192.55.52.151]:58967 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237009AbhLTBvZ (ORCPT ); Sun, 19 Dec 2021 20:51:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639965085; x=1671501085; h=subject:to:cc:references:from:message-id:date: in-reply-to:content-transfer-encoding:mime-version; bh=+AV21kSzQ8QCiBdyC/xVOm6zCdyvpzOsSIUOCNzWvRs=; b=TbzTUOeUIAEP47AiQW3yKbKTLqgUNpFRwSWuNLGuZWoloSjoNmR/v4Dc p+TG62wcQHO3FyS9h+IgaoXVKlDN3umPEOMB7zZhsyGyJsSjD7NAm4AfV gtVHTdioQwUN4UwjAAzDXIpN1Syo/T6y0HdEJ0+0pB3QxnRCsVKbXzT4m 0Kr9PMdvSD0v17v4k9RUsIWhFdMQUB3qW1Xm2dFJW1IchICN9BntNPD1b dxv0CtkaoowigS8Th9Ypj3JX78hrYoJgAzubUJEh9Z/+CjzzmhbIiIzwd h+a+uKuaXfYSmOCirnPpjENZd/uoscPG+g0ToRAhpTIcuwE9u9qxeNGhf A==; X-IronPort-AV: E=McAfee;i="6200,9189,10203"; a="220754313" X-IronPort-AV: E=Sophos;i="5.88,219,1635231600"; d="scan'208";a="220754313" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2021 17:51:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,219,1635231600"; d="scan'208";a="547109418" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by orsmga001.jf.intel.com with ESMTP; 19 Dec 2021 17:51:19 -0800 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sun, 19 Dec 2021 17:51:19 -0800 Received: from orsmsx607.amr.corp.intel.com (10.22.229.20) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sun, 19 Dec 2021 17:51:19 -0800 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx607.amr.corp.intel.com (10.22.229.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20 via Frontend Transport; Sun, 19 Dec 2021 17:51:19 -0800 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (104.47.57.168) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2308.20; Sun, 19 Dec 2021 17:51:18 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CllRHcWRTpNGZ+ZiUMVaBxybp6W5RElff2ldTy/6RJkblVhrOTKO2XxtVnxBsbjaUAbOWN80Vz3lfYeziqoi4Zr8ZQnc93YETJCOP/5B27etPDzpwcR/xbv5wcbRdvoBiO2MJtIPDgj1Pk5R6YsMMOclRJncckGnvG4W+EvuMtn+dO8MmSMXnR29UsRUBHaoxil2S+Pn10CvJBYinbzLMyfcyQBT8V17NfXgMudTWk8Q3KYyL6pQQREyeslzAnwiXAsSw+QCnl0Lj5mo6vyy9fhXkzOH4GoSnfGUxeDlTKpw9adfNFQBgg2CPV8dwjUkIfi5P4Mb2GzqoOPxNryzxg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=Q892WJtUqTp546l5Xj64L/8YDg8GnnEzv8EQN0tilUo=; b=arLhld62q7+JdcCiX7cQIWrzmtYrUpkGLAZs1z4jsNL78yQ9ZhI4kbb/sW5baKCCDca07ftoucJGuEwA199NY1FyDjOQq0yfPIZ+bGcaxs/A01KYH6XACSpmgBtgg8NMeAeAePargspeW7AgebMeeGW58RVP46wCBeZ3QzK1n985ZlZyUxYkHRSwSBWuuQThqLGBhfR9QglOOPFEkDfTTd7vc55Fhp9a6011SLiDTC5vb6/3BUR8tOJebEbcPdIlqRATGm49rY13DIjxjRDckZN0cKSmqoR5Yb7o6uHVLrs6F49hD30cp02Y1lUerjIFfWD/9DsNVjmBVHX2Au0ZTQ== 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 CO1PR11MB4820.namprd11.prod.outlook.com (2603:10b6:303:6f::8) by MW5PR11MB5809.namprd11.prod.outlook.com (2603:10b6:303:197::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4801.19; Mon, 20 Dec 2021 01:51:14 +0000 Received: from CO1PR11MB4820.namprd11.prod.outlook.com ([fe80::99e7:e9ce:ff26:49cb]) by CO1PR11MB4820.namprd11.prod.outlook.com ([fe80::99e7:e9ce:ff26:49cb%5]) with mapi id 15.20.4801.020; Mon, 20 Dec 2021 01:51:14 +0000 Subject: Re: [LKP] Re: [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV? To: Borislav Petkov CC: Carel Si , Joerg Roedel , LKML , , , , , References: <20211209144141.GC25654@xsang-OptiPlex-9020> <20211215070012.GA26582@linux.intel.com> <009391a5-468b-2a5d-1f12-44d2e3104bd6@intel.com> <20211216115838.GA23522@linux.intel.com> From: Yin Fengwei Message-ID: <5f5d8258-d468-c37c-e480-b4fb9a3eb91b@intel.com> Date: Mon, 20 Dec 2021 09:51:08 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.14.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: HK2PR06CA0004.apcprd06.prod.outlook.com (2603:1096:202:2e::16) To CO1PR11MB4820.namprd11.prod.outlook.com (2603:10b6:303:6f::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 72d8dddb-26c8-44c7-bdcc-08d9c35b34c5 X-MS-TrafficTypeDiagnostic: MW5PR11MB5809:EE_ X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CO1PR11MB4820.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(31696002)(4744005)(6512007)(82960400001)(36756003)(6486002)(186003)(508600001)(53546011)(6506007)(8676002)(26005)(66946007)(4326008)(38100700002)(66556008)(66476007)(86362001)(2616005)(5660300002)(8936002)(2906002)(54906003)(6916009)(316002)(31686004)(6666004)(43740500002)(45980500001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?TnZzdGhST1FkUXRpdTJJcGVoZGdKZllTdFpPdFpMMko0ZHBUbE8zOHhYQS9m?= =?utf-8?B?NE83dkM5WGNQSVdpS0xtc1ZvWkFIa081VFVaeG15QjFkQXZLM2Q2Qjd5bnZo?= =?utf-8?B?WlpncXRkMWJJdFlkYStZS2hHa1paMkdVYmd2UXV3bVhTOW5JSjdaSVk1SnVJ?= =?utf-8?B?QmljRUtuT0MxYUg2SnhBcjZkSVFjcGpBWFRKbXRCMzJMV1Q1NE5pSmMvSVQ2?= =?utf-8?B?TERvTVlRSzdHQmRLOE9RVWNWRTMyL2IzazE3UXBsUjR4K1lyOWF5eERLR2Y3?= =?utf-8?B?SUJ3aVJ0bDBnK2NwUUcveWtvUXBQM0tmNVVMdXJTcEMwQVltK09lMGc0dksx?= =?utf-8?B?ZFI1dlE2VGt0UUNUSGlsTHBucHFGSVRZZ1ZDUGpBZzhBRm43SG14cGNOVlR0?= =?utf-8?B?NmljWEJkaGI3RXduVllrMHAxYTNuREhZWVZUT0NHNXdiL25nTS9TMkFIQ0hD?= =?utf-8?B?dWlCVXBuVmxkaXRucGJISGhhQVhaR0xGY0ZLdi9uQUUvUFgra2xRTTlrTS8w?= =?utf-8?B?dVhzTmxVWmgyMlpkQ3VvRklxWElEcDRTREFPV3E5WFZ6Zm1EdUY0cndXUFFU?= =?utf-8?B?RytvTklOYlVKeDl1Ris4S2ExTXlMMkxMM1hPd1ZFZzRYUGxRem1Oc3NBWnNo?= =?utf-8?B?c1JiSzNxTEpwVmpmazEzbzFMOTFJd1AzWjBRaW1pcDQwV25VTTVZS3F2OEJB?= =?utf-8?B?RnNHa1h6Yml6ZlRlNXBhZmFtZk56bTNyU1dNK25paHZYNkpEYk5BTkxDbjRr?= =?utf-8?B?VmtIMzczMEFSalNNWGtpSFdZeUNpN1BiSWNoV3VEWklVMUZQenNYdXdOOWk2?= =?utf-8?B?bjQ1UFM0S3lDb1V2RkFYaTRMb1d5bWpHeDlBeVJBM080RXlITXE3WTRNTCtF?= =?utf-8?B?VUU1aU54THB4aHpBd3ZFZXpnTGk3bEhhMUxmZzA3OW5QbUxYUnhLZTUzWmR4?= =?utf-8?B?eVRzMFFhcUxTWHl1dlJRN3kzTmRnQ1Y0YnpMTXEwU2Q0UW0rWGN2SkM4U2M5?= =?utf-8?B?SFdnVk92Y1U5MHV0aFZabHlFUS9DRDR4Tys2NzBPeU5jRjdDVzRmUEJtbmZt?= =?utf-8?B?bFRmdm1aT2w5VERHY2hlKzNLQmd3ODMzcXE4TmhEemVOckJOaTRuUWc2OHJ5?= =?utf-8?B?Y1NHRFh5cXZYWTE4MXlKenRwa21vbW1kS1Z4TzljYXFoMW84T2dGT1ZGTDRt?= =?utf-8?B?Z2htcUxyV2VYRURRTHRqQlloMlhpSks5S00wZHNNeENXK3dXTjkyb1FDUnNC?= =?utf-8?B?L3VTcENyalYvb1hGSGEvYUxTR1FYSEMyZFpadjZLNlVuQVVlelZicTdid1Np?= =?utf-8?B?L1I2R2VpYjZSWnl5L1ZEMkFYbDZEMnh0QXZ6RjVVdlROVzFhWjgvM0E1WmdT?= =?utf-8?B?UXFvellqcjQrR0ZLMzRMUUZRVHVtTCtqOFBYZGRPVXBMZGNWZndSdkdhV2hP?= =?utf-8?B?d3Z5U2JQMXdUMko2TVI0T3VnSUVuVXFCRzl5c1phU2ZJNlBnRzd6alVNM0Ur?= =?utf-8?B?SWcrR01sMkpudm5CZjVtaEJvNnhqalp6SjFJTHBzS05abGp3anpqY0VRRkpO?= =?utf-8?B?UHJYZkM2cG05REczaitHOS9UZXB5L0lnRTd1bHV3Z28zdHpScnVWVlp4V05F?= =?utf-8?B?VENQTjM0N3BmSDVjQnFwVWQ4cFlydWI3T08zUEh2WHhVSGxnODZvNVU2TldL?= =?utf-8?B?L2Nnb0x2WngxU1dxeVZmdDJUZVRaUVdheGhBVFM5MDZ1amozd08wQ3l4Z3Fm?= =?utf-8?B?eTZObCt5TWlMdzRNL0hZbnNqNDZkbENtRGJvVElOZVg2Ykd4b0JRL3hackQ5?= =?utf-8?B?M0twZzc0S1U0aVdSRkZwQjBjdG1IdkZEUk82cEo2NTRFbFlDZGQ2ckhOcStW?= =?utf-8?B?WTdFTUpNOHZ4QmVCK3FUOGNKM0ZnejRzMzZEMis0UVlZYjZaN2ltKzYxTXFH?= =?utf-8?B?b0NrbkxRdklwVmVIRFk2M0pLeUlTczNrQXVxSnhiNENPeitqN2JMN2xlMDFU?= =?utf-8?B?amxFU2dyTDl6UjdyYWh2K1NzNklUZFovQ09wclNwMGx0LytxZHNVMTh6RzNv?= =?utf-8?B?WmVkQk5zR3kxdnBNcGk5YSt1K3EyRGdoVzN2QWtpR1RDZjNRc2dYWWM3YzhI?= =?utf-8?B?RlZjOEQxMEdMTmRJbUpjQ2k2UFUwQ2pyTlpSL3ZkRWtCTU43SUtrYXZuWlZG?= =?utf-8?Q?rje6oELftoZQ3x5zuBJ0VUw=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 72d8dddb-26c8-44c7-bdcc-08d9c35b34c5 X-MS-Exchange-CrossTenant-AuthSource: CO1PR11MB4820.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Dec 2021 01:51:14.5700 (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: 2WESqoC0eZ5Ierhjeo9Ze9drMwXR5nNi2K+JYDIIVFPcrOFvlZvaGB/qBKRC0xeXlVFJE4PMs8+YNJPXMcl+vA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR11MB5809 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/18/21 7:01 PM, Borislav Petkov wrote: > On Sat, Dec 18, 2021 at 06:39:46PM +0800, Yin Fengwei wrote: >> Thanks a lot for sharing this. Lessons learnt here. Will follow this >> rule exactly in the future. > > Thanks. And for the future, please trim your reply like I just did. :) Sure. Thanks. > >> I tried this fix and it works fine in my local env. Will test it also >> in our test box once we back to office. Thanks. > > Good, much appreciated. It's our pleasure. Carel will send out the official test report on our test box. Regards Yin, Fengwei > > Thx. >