From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 4C416168BD for ; Wed, 7 Jan 2026 00:36:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.18 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767746207; cv=fail; b=X+Z5xzxg2xul7SHLFR3YXFdqbLc1/dOd5Hi+iZOJ18fkxhhrq34O/uS3Lh0nq8UjHE7zLLYQDg2W6VzEH4hJxWY0htfHWFIcI/tTEx/3rulwsZmPeG36wD6aDt/F1LWIs6m0pvfluNBdJ2tYsAEIQU6d0m1JMvaJLzIjqO1NYpc= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767746207; c=relaxed/simple; bh=I7+YRNyEgDfVAmw9a0m+xSisK8OhDFtVc5W65eC6xOA=; h=From:Date:To:CC:Message-ID:In-Reply-To:References:Subject: Content-Type:MIME-Version; b=ohvX2z+8lo/O43s8PNjhWPW7Ow6t8evhLvnJudig8h76UblgKNJDzCxRv8iYpRUf2CcDjen8cmnAAWE5yLsp2eX7+EmwZuiKcO750sEIqvGHHL3zdxFNyqFAcNiuRSucYk97qz5uYiAM5mURde5z4GpZCCWvNLGccbyIX1mTv/M= 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=NPyUWG2D; arc=fail smtp.client-ip=198.175.65.18 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="NPyUWG2D" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767746206; x=1799282206; h=from:date:to:cc:message-id:in-reply-to:references: subject:content-transfer-encoding:mime-version; bh=I7+YRNyEgDfVAmw9a0m+xSisK8OhDFtVc5W65eC6xOA=; b=NPyUWG2DcJ/X7qHU72HjqHeqgOmgTo9hWiB8JOUbqM7APVJuF2UksKFy iZ75Xtg7cZPsD22LZ6e25cMLUazjUQa1+aQyJV719AHXmbguvttrArEyy lAn/qZquIMvyxJ+FgJk3+/XkyehvQbdkrl08e3YJiAKsCgUGiuJ3HECtW J89cjbdcEvWFvtMo/Am9C6wgQlGSkg1rB8OW0+nDff0imXfj5LBQDyu8S PPto+P2JM7doAfHd1+4dchp2dNmHZclWxcdmxyd3w6S8PUxeskTLnbpc6 OPvbV/SfAiX4Vo2IPmCjadsHhIbcQVSS9/1XlCvc68ArNVCWLlLYSlIbW w==; X-CSE-ConnectionGUID: uwOx1dKSRK2p+srIWyBNmg== X-CSE-MsgGUID: AR2HTGtNQ1mdf72oG3rxPQ== X-IronPort-AV: E=McAfee;i="6800,10657,11663"; a="69164772" X-IronPort-AV: E=Sophos;i="6.21,206,1763452800"; d="scan'208";a="69164772" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 16:36:45 -0800 X-CSE-ConnectionGUID: sgBTcPPoTvKw/uXlpJWUVw== X-CSE-MsgGUID: yQhZsTzuQ6qbwJTY/BAWlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,206,1763452800"; d="scan'208";a="207663780" Received: from fmsmsx902.amr.corp.intel.com ([10.18.126.91]) by fmviesa004.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 16:36:45 -0800 Received: from FMSMSX901.amr.corp.intel.com (10.18.126.90) by fmsmsx902.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 6 Jan 2026 16:36:44 -0800 Received: from fmsedg902.ED.cps.intel.com (10.1.192.144) by FMSMSX901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29 via Frontend Transport; Tue, 6 Jan 2026 16:36:44 -0800 Received: from CY7PR03CU001.outbound.protection.outlook.com (40.93.198.24) by edgegateway.intel.com (192.55.55.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 6 Jan 2026 16:36:44 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=rhdcKJ/DSISWoRxEKLqZ03k75b+9X48+Jzfw0zXHfJrVWURLZEM0F+3FruyGxg9SF9JeYr8FBd8PqKJ9ujEH3dibAsl4vuGIh6q3qWPcljPqB//XRBrgqcsx4abpph6T55XulTkWrZdWipJ2nq49JQNy9wrT0sBtRlWB9bVyY7Zv05VN/FAWk7js1ssAEsL2H51eKnC9/dH/Czw7YQsY1yc61MlXq6lkUeGLHjbLRyOrtNoMUlgKMe+WFVr6mJyM91w0ujbcRT8mP5fw3UJqvuqruZEDe8Hjcc+Hy28FUSQiQ0lQZgdK6MtwTaH7zhhYIt8ZXayDvIwgx894tMSJgQ== 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=I7+YRNyEgDfVAmw9a0m+xSisK8OhDFtVc5W65eC6xOA=; b=wsB4SEx2xmVmY1pPGxCdRGzidtEo5MAHOE45w4F+Eee2WQPlqLhV+YllRT0e3UhHSKRfcHAVApCIXEZR/IfJCXU310wtA/9a/mfyeQT6bEiSLavOf1trbD1fMaMHfQsF7UJYvn5Lc2LlnBzGDvvWmTDrJy72yZfng2e4iSIPJMl6N1S0MRobrUATmKevR9JkDgTbI9zP7ZYjPOtMqFksiIlF0SVSyPA0ag9Ho1elk6B+XHhf1pRcZtt6ON8ge2GyAIWvq85jpgKcGQN2AvkVnRdk4oAC1O8V03afXMCUdfswaBMnr31Ty/AyKDrOOK+a1/rP6Ho1RSKGHy8B6Db3Nw== 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 PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) by LV1PR11MB8818.namprd11.prod.outlook.com (2603:10b6:408:2b5::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.2; Wed, 7 Jan 2026 00:36:40 +0000 Received: from PH8PR11MB8107.namprd11.prod.outlook.com ([fe80::1ff:1e09:994b:21ff]) by PH8PR11MB8107.namprd11.prod.outlook.com ([fe80::1ff:1e09:994b:21ff%4]) with mapi id 15.20.9499.002; Wed, 7 Jan 2026 00:36:37 +0000 From: Date: Tue, 6 Jan 2026 16:36:34 -0800 To: Chao Gao , Kiryl Shutsemau CC: , , , , , , , , , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Ingo Molnar , Rick Edgecombe , Thomas Gleixner Message-ID: <695daa92c40fc_4b7a1002f@dwillia2-mobl4.notmuch> In-Reply-To: References: <20260105074350.98564-1-chao.gao@intel.com> Subject: Re: [PATCH v2 0/3] Expose TDX Module version Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BY1P220CA0011.NAMP220.PROD.OUTLOOK.COM (2603:10b6:a03:59d::11) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|LV1PR11MB8818:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a578173-ed04-41ec-b3e2-08de4d84d0b5 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|366016|1800799024|376014|7416014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?U3Q1VlFUMVNyZCs5MlFrVXhFYWdGMlVzZlJXelNYajhMU1I0TXplNDlSbUdN?= =?utf-8?B?UURSMlFSbFA0V040ZmY5Z0lHMUEwOTJzNXVNdVNMeGk2UkVaK2pDVnpVTnY2?= =?utf-8?B?Rm5oR0tMNG1SVFVWRERrTlJaWFYyQnhVTFd4Qy9DRWdGeEd0bUgxMmhlMk43?= =?utf-8?B?TFVoSHNlMUJSTHhRY2I3MXlvRFloL2xmcnI4NFZJdXFDRkRjTU9HWklJTnJy?= =?utf-8?B?RWlhQVlZRkR5ZjlERnNHQ1NPY0o2OUpSTWtwRUJXRXZudWtuREpHdnZNdW11?= =?utf-8?B?eWdxUWZjUklBelRvZXN0RGx2VkFZVVpRYk9XeGxqT0FqOTZjUU95ZzZBdE1J?= =?utf-8?B?Y0VLSVAvL1JGSUFGMnAzTEs1NGdIY1NzU1ZyZTFUOEcwUi9Ld3gxeFV3Mmt5?= =?utf-8?B?S1VtQWtiQnFaSHRjaEhTdGNqejNUZjMxdERqSzBWTHVCNGE2QzNFOFMzTi9s?= =?utf-8?B?VTlxTGtpZzFrME1LVmpKT001UldXZWlJNFlZM1R1bFlqOWdYOFdCWjRoZWJs?= =?utf-8?B?SlJVbFRRN2F0c3JGNi83K2w0TzlTeGxCNTV0d2FQUE4xbDc5RXp0ZmNxT1Uy?= =?utf-8?B?Szg1RkcvQVhWNThNOW9WN1NISnZkaFdVTFNLamRPNENCREc4VWJZa25ZWjlF?= =?utf-8?B?NE1TaTB6aFExc3BTdVpnS0V1VGZ4Y25zaFNxdElnc29hNDNOcWhvdjlUeTl0?= =?utf-8?B?OTRqTEZEdVBrQkkyMHNNekZRZ3E2QU5RNnBKU3dLaThaREhMbjd0NkRXYzMy?= =?utf-8?B?TUVicVl5VVVZUW8zSnNBOUFNUHlNYmNXcXNnd0RhS05JSzhEeTAvOEF4aFIv?= =?utf-8?B?RXpiTGtWbUt5RDU1NGhUYWd5SFRTRkFXNGxwL2RsSE5oYkJoaFlsUTBqTEdk?= =?utf-8?B?MFJSNjdhWTdhYVU2SFFhOEgxSGFkWEE5YWMyQlFLVG12VVp5K1Q2QU0reTV5?= =?utf-8?B?QnNtcDlUcXBza1NHTkdRYmR0MFhTZExUSW1RWGhvOXgyUDd4TWZtQjZmL0dI?= =?utf-8?B?dFIvL0RsZFUzekNEbXI5YXhPQVpBcE96UkZueTlVTkc1bjZZcWV6Rk9kWTBE?= =?utf-8?B?dlAvMXg3MGR3UndGcm9OQ3ltNmxrTVIwb3JQNUVKQkJTT0xsZ1oxTjdrdkZw?= =?utf-8?B?OVBPUWZ1d0JKbHJQWFA2YWFDWjVVNEg3ak5pNktQMWtPV1ppV2swQkhGaWZv?= =?utf-8?B?K2JYYnduZldkTjlSODhjT1BoRWpjdDhneFU4L2dHTXJ1Zy9EVDc0TlM3Nklv?= =?utf-8?B?ZitKRE5DbU0vNWpoZlhZSDV5T2gwNFFmV29HdWVFQnpsdmVTRko2TzVZWXlL?= =?utf-8?B?clFYeXRQOUtldks3c2RGUll0cXh4TUpoSXIxUUxSdTRSS0JMWUkvV0xSWis5?= =?utf-8?B?QlBZYW9TY1pVeWlPa3R2V2NmUzgwOVRhUU1QWlZ5azkxM3E3YWsybGdKbTE4?= =?utf-8?B?SkE0ck0yZ2tiM0ZGNkI0dElUaTlweWwrS29tNE15dDQyV2xsOHpjekVmM2JD?= =?utf-8?B?bXZhTzFsSU9qcGowaWRlMHF2SVc5TmRKVk40aHNNYU5kRVR2YmZUbDdHeUw3?= =?utf-8?B?ZUd2M2xZMHJyVUFaZUgvWFZqNng3WEQyeVFrNE4vNW1UUjFZZEhDalpKZnNG?= =?utf-8?B?aUdhQ3BrOVpHSU1CaE9OL0l6UVA2WkNobHc0Vm83S25RZjZZVWpVWDlkTVN0?= =?utf-8?B?eGxNamZ2OUtjdDZSdWUzbDJlZGJDQklEVVVkdExmYTRYdkYvYVQ4cDg5UVQ2?= =?utf-8?B?WnRJejNZNjdaUzRRd0NxSE05MlJ2NUdVOHlXZ3BLQW8zeVRkTnVSZm9pZXJY?= =?utf-8?B?cm5VeTgrM2ZXNVFDYTViOWV4OTFZam44YjRUSU90RkU3T1lrbGk3VXROdkNo?= =?utf-8?B?SURmaVhITTZLK3FqOUc0SHRzTHdEVWJOYXcvVHorU3FqcnF1NlhveGJlcGtm?= =?utf-8?Q?dmfb/nhU+0U6yT4TP6Ug2ljNnr8FThuO?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH8PR11MB8107.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?d3JjdFljV0hTaEJZekhJdGJpUUxMMkkybGsyeWVEdGN6MXg0N2lSQ3dFeHl3?= =?utf-8?B?ZC82YXRmSC94ZlEzTVdJQWNtWnhHU09LWHJqWHVibjBLVUh3ZHVhTzRhWUxZ?= =?utf-8?B?VE1IU2g3ODFWbHQ4S0owaWZ6aGJZOW5xckRUaHFQanRRNVhjOXlSUFRrRHV4?= =?utf-8?B?Y3k2bHVRUEtjN1NVdUVhTGFpNldabHplTi9ZMG55WHdveWs5Mnl2VUtDaDF4?= =?utf-8?B?NitrMHZkQnNrMFRkWnJLQVhocWJRTlN4b3NQek1MMHF5WGVaakE2Zk9OUUEv?= =?utf-8?B?YlpGa3dieVF0YWZYSTRPWmpUaHV0aFp1M3FENm5id1FZMys1WWFlTDBsNy9I?= =?utf-8?B?eThXOHVrSkp4Z3JkSk55eW55T2FtYStwR3RYOVdLczZNZHNHVkxpQk5iczAr?= =?utf-8?B?NzlUWkp5aDU5KzNrQkRXYzNIZit4aG5Zc3ViSDYzKzZNU1lETjRGVjcvVVM0?= =?utf-8?B?M3RQZnhuZUlrVVhlenpBNnBqcHdhN21DcnlBYTJUdVNEMmQwYzkxRmhhL2lz?= =?utf-8?B?VWVkR21XMXpOVzNGV1ZVWFJHaVJncnRiZkFaSUkxdk1xOGJOY1pEL2Ivc2Q5?= =?utf-8?B?NTZGSkQ5ZVhnajV5UWpqd095Q1lVeU1ML2ljT2FkVE9FM1dtOEdJQkx1UnRV?= =?utf-8?B?aE5SbjUwZXo3UkNJc01Najc2RHpIeTBDTEV1dUcwZ0hYYW84a08xQ1V1TDNw?= =?utf-8?B?c0NxNWpRQVhFcDNubys2NzN2QXFqQkE1SkVUc21sNnpMRkhtdWMzeE1aQy9z?= =?utf-8?B?RTduMDVML0FIbGI3b3ovckNMcDRkcGhKOURrcnh1WDhWLzZ1ZGRWMjA0U2kv?= =?utf-8?B?Y3NKWjZMV1YwU3RYZUNQY1MwMi9wczg0L2tnZ2RwdlFuRHdIQUJDSUNXSXhm?= =?utf-8?B?SnA4aFArQm9xYkw5amZud2d3YU93aW9VUlQ0YjZyejkyRldZWG9jSUlSTXAr?= =?utf-8?B?MlJZSFN0ak0wL1pSaXAxRExndEtVb2psZ2l1OHZlelBKT1kvc0dqR0xoSFBR?= =?utf-8?B?UzlNQjlyZk1uZERHdk9VdEF0dEtsMU1vTWN6VS9IcEcrWmVvLzlJZjE4WTFJ?= =?utf-8?B?VFV2b1lVaFJtOUxOOFRJNHRCMXdaTldqT0M0SXl5OFVBS1hhMURBTEwrUUtB?= =?utf-8?B?aTRiN3U5a1hHczFOcCtleWlGUjRubE54SzNGRTlzcU1hTTYwanFsd3hjdTBh?= =?utf-8?B?ODJxK2xkcFpFaGtVRm9oaEtGU28za1dOSU5SY3hra0NqaWdXQU5VRzVld1Fs?= =?utf-8?B?U1JiRkhrbjZGSWtnNytjYUJZSW5KNjVhejY4Tm0yYWUrdDdzeE5mQkQ2THlB?= =?utf-8?B?N3RoU1FSZVErZ3VWeUxCY28vYzdpVnFLMmFZcVVLdVNpeHpLVjdwUWE5ZTR5?= =?utf-8?B?a0JnWnhpeWo5SnBTMVM2ajJBSEtabElNQmUyNm1MZTMxbHBrRmRqY2FsQUsr?= =?utf-8?B?emdrYXpjbDRyZWtLb1lneUFHdUx5WkdiQ0o5NFN1a3FrOW54czR6TjlkTk9C?= =?utf-8?B?cVE3ZlNEQkpoMkhHelNiUnpIQTZBU3E1WXJsNGtackQrMTdFVEJ4dmVpbkhi?= =?utf-8?B?UTU4NUd5TDFVQkN0cTlaWUNuQ0tLenVhYzh3T0hIcU5md0ZqWW41Tm1zTmU5?= =?utf-8?B?STFhMmNPNmJpNEJjaFFPWCttbUFTYUNvMDFNTk5MVi9vSGZ3UytnRFVaYlZH?= =?utf-8?B?Vm5Bd1lFOXJ3U2lXRnVBK3NZTnpFaUVjSWM2L1JLWG41Wi9DcFJjcXI2WUJv?= =?utf-8?B?N09OZDFsOFZTbkNqcXkyeEgxeDdYUk40OW16SG5KaFViNnpDR2xPeGJINTFj?= =?utf-8?B?bWRSc2FOTVdHOVovRzdVWlZ0emkvSWNxcnlENXRJZUtIZXl2OVpIZ09TcGYv?= =?utf-8?B?YkcvTnRmdXdzMjR1b0FFR29xV0ZpTFpIOGdQOHQrcTZhcWpPeWkxTGc0VWQ3?= =?utf-8?B?dm41K2pDaUFzVTJPQ1BEYmx4aWRoc2JTQmhBWmVRaEpzQXoxZ3ptOHVOVFZS?= =?utf-8?B?VktQMDdUM2JLeU03OWJZUWlRQUw1d3o3UnhOV05nZW5GYktUdWNRU3NWS2di?= =?utf-8?B?bkUzUWRBZW81aTBtRjh1bW1sT0JuRStlMjBoalBrM09hMFdlc25HS1NSdFJW?= =?utf-8?B?cks5NTVKYmd3R1ZEMFFKaHB2OVdMcytkWWtKd29zSVNLTW84dFVHcTh3R3RF?= =?utf-8?B?OFUvRkF2OENmQmZSR2tBcXA3bHJKbUI3bERHdjBYZmJKZXV3cDhxWHViNXlu?= =?utf-8?B?cDMwMko1aDZBelhBNy9GZHJwa0g2bHZkcnNOTW9XdHlGSnBKcCt0RXVZUEpz?= =?utf-8?B?eWJDeExtY3AwQ1IrbElYMksrMGNoZWxmSWtXd0JPZTI4UFFyRC9MaUhSaXZJ?= =?utf-8?Q?bMTPcuHZ9N+W6bnk=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 3a578173-ed04-41ec-b3e2-08de4d84d0b5 X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB8107.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jan 2026 00:36:37.1129 (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: L6+U4Q7Oc5o03E0PJDG0+KFYuFZedktNs30Fn3a/mdmD6ZR1wGY7OBMn09JUwbjNM0vauFNMpCWTKOS77Lk4y/DYLt9qFFrXgi6SxEdhnNU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV1PR11MB8818 X-OriginatorOrg: intel.com Chao Gao wrote: [..] > And in my opinion, exposing version information to guests is also unnecessary > since the module version can already be read from the host with this series. > In debugging scenarios, I'm not sure why the TDX module would be so special > that guests should know its version but not other host information, such as > host kernel version, microcode version, etc. None of these are exposed to guest > kernel (not to mention guest userspace). Agree, and note that the guest already has full launch attestation details available via the common Documentation/ABI/testing/configfs-tsm-report transport. I assume the primary need for version information is debug, but if you are debugging a guest problem might as well get the entire launch attestation with the version of "all the things" included.