Received: by 2002:ab2:620c:0:b0:1ef:ffd0:ce49 with SMTP id o12csp1475670lqt; Wed, 20 Mar 2024 05:25:13 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCW8mLeKXj3TRZ8choaRBG2xvEBZSW4Asm5oMxxB0RYHdQFPkmiZ5Y0J0QZgKImFzBROhx/ZpNM8KEv72tQq07WqYHDkcir2Ikx4tuCJMg== X-Google-Smtp-Source: AGHT+IFgt63MzOoxsLYWOn8xJmw3iz3a6mXke+UFgtbs99ClAMwhmhOQJCk0MIk/3ognUZlMVRGO X-Received: by 2002:a05:6808:2e43:b0:3c3:9fbf:545e with SMTP id gp3-20020a0568082e4300b003c39fbf545emr2640731oib.34.1710937513452; Wed, 20 Mar 2024 05:25:13 -0700 (PDT) Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id bn37-20020a05620a2ae500b00789f94f2f5csi6987643qkb.783.2024.03.20.05.25.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Mar 2024 05:25:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-108902-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=FNXSuk+B; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-108902-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-108902-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 1D9FE1C21325 for ; Wed, 20 Mar 2024 12:25:13 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C30803FBBC; Wed, 20 Mar 2024 12:25:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FNXSuk+B" Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 CAEDF3FB85; Wed, 20 Mar 2024 12:24:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.11 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710937501; cv=fail; b=glI1xsDL1JvETCvAQ8spJ5SZpXAMXchkooQ8x+0Yqo89P8XXH3W4b8mPQYyCx8nL2TN7nVRcqd0inrnLGwMtQt8H6Ze1l3Ncp6t5oqdaZYgGEUu9q7IOuj1OO8/3478vuWaNrBChQ56TlA5gKRkC8ylXDB/wGArKSiqAh0RDNS8= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710937501; c=relaxed/simple; bh=dBCCUkB0mjK1YVzLV+3FFOcLj+hmMm4W0tHBrMpQKwU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=JP1P9yXqlTCiMwZ056vqF60aen0MasJ4pMQc2O/oVdINBwsZY9kKfpdbwoIC3tWyt/u8gZHi9EdRraMuENeywx7BCSP2m+JVLc6bEvlR1aUDqyAvzS6wESVvl4DJ7Kcj3fX9PpluoGcEuVYU9sgubOXFZck7nrEkp4KGY6vLD+s= 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=FNXSuk+B; arc=fail smtp.client-ip=198.175.65.11 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710937499; x=1742473499; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=dBCCUkB0mjK1YVzLV+3FFOcLj+hmMm4W0tHBrMpQKwU=; b=FNXSuk+BTnQeALMbAhJGqPPrCJF92xEBol1CRDv5Zd+Bs62qwwcr+MVy XO7Dt6N2fHAi7oui0vDSVokIH/0i8OJocCyoXZXV92glQvJhC5u5YNJOw P3UB+qTJQuvq7AJOJKATmjl54D3BbEfAqOxhbVr/hsEo8FCBLgMb7e/dT uQc7pzQ4pVigtjkFffMRG945f4D2RQascHp2qnElT7wOCnmwzaYWGP+oM CZXg6SaGGOOgQAGIkGoWiNX+lypetqfbZqg3aNDlJm5CdFfNcyrRJsq8l orhYAfpjTPbV1PpsR8fuivpXyr6ll5UmmJDkEfkPpblXRzHvKeoo8OEzq A==; X-IronPort-AV: E=McAfee;i="6600,9927,11018"; a="16400705" X-IronPort-AV: E=Sophos;i="6.07,140,1708416000"; d="scan'208";a="16400705" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2024 05:24:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,140,1708416000"; d="scan'208";a="14116482" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by fmviesa007.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 20 Mar 2024 05:24:57 -0700 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx601.amr.corp.intel.com (10.18.126.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 20 Mar 2024 05:24:56 -0700 Received: from fmsedg601.ED.cps.intel.com (10.1.192.135) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Wed, 20 Mar 2024 05:24:56 -0700 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (104.47.51.41) by edgegateway.intel.com (192.55.55.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 20 Mar 2024 05:24:56 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Dn8GaF91pupTPtqWPwJ3D6HXdPznrTX4RaBemN5jwoz2GfUQzWaeA0Z0mCbzAw4vtssomgMNyI+rsIGPg1spuWBQlQJUtHiGC2RiWTOpecPZia9s+wdyVNs/gzZA96andsZaSvxNgz0GkFHWlrw52fibrRlVR4OapWq7DLGG5mxqmwW0if/uaN+E9uEQ2Sm/uip/0X5wnZ+KPkCBYWdpwdLpWq3eCssfaM1sdlHHs9rl+Yrv99kcrIQNHi2KtC2vSP/MPzxBFWe1VYZAuBjIIrjw21C9tx0w1JgDpBaB/zV2ipBpKIGseAn09Gy9IVV3kcFP4uJTJuSJEE4jqsS1cQ== 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=dBCCUkB0mjK1YVzLV+3FFOcLj+hmMm4W0tHBrMpQKwU=; b=YA7ZF9PZ9dpFsLle2yOupEN4Qgbi+xAl+65EacwEH/zpYfL5x5lNtm0oJwBIbM90JUspv5UV1WPrqazdP/KS7t6nw7orkGlkqFJX3GJhj3ysx9sev7Aa10eNiMz2j/5hFvckYVOHw1dmXqWl/9V+2CajTA6m2px4QcQOhVwcBht9tJw3roStVU5MFZAqL9YBE+CKEh7c5VjOS0ay+yWPNb4r7l+1hWFaTlOdTKMwv4UeWv0/klq+PIJeuCx2C2VZab/WAoCiyte/45iNVARuDcj2KHeFOxGe2BooZIsaS+Qa8Q3vw5GXC42m1a6wAPpDho1QDezE7aOSpOZziNfWNQ== 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 Received: from BL1PR11MB5978.namprd11.prod.outlook.com (2603:10b6:208:385::18) by DM4PR11MB8157.namprd11.prod.outlook.com (2603:10b6:8:187::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.11; Wed, 20 Mar 2024 12:24:54 +0000 Received: from BL1PR11MB5978.namprd11.prod.outlook.com ([fe80::ef2c:d500:3461:9b92]) by BL1PR11MB5978.namprd11.prod.outlook.com ([fe80::ef2c:d500:3461:9b92%4]) with mapi id 15.20.7409.010; Wed, 20 Mar 2024 12:24:54 +0000 From: "Huang, Kai" To: "Yamahata, Isaku" CC: "jgross@suse.com" , "Hansen, Dave" , "seanjc@google.com" , "bp@alien8.de" , "x86@kernel.org" , "peterz@infradead.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "kirill.shutemov@linux.intel.com" , "tglx@linutronix.de" , "kvm@vger.kernel.org" , "pbonzini@redhat.com" , "isaku.yamahata@linux.intel.com" , "mingo@redhat.com" Subject: Re: [PATCH 4/5] x86/virt/tdx: Support global metadata read for all element sizes Thread-Topic: [PATCH 4/5] x86/virt/tdx: Support global metadata read for all element sizes Thread-Index: AQHaa8JL7v9VUJLZkEWqE5TMIeieHbE5oCiAgAcLigA= Date: Wed, 20 Mar 2024 12:24:54 +0000 Message-ID: References: <17f1c66ae6360b14f175c45aa486f4bdcf6e0a20.1709288433.git.kai.huang@intel.com> <20240316004945.GL1258280@ls.amr.corp.intel.com> In-Reply-To: <20240316004945.GL1258280@ls.amr.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.50.3 (3.50.3-1.fc39) authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BL1PR11MB5978:EE_|DM4PR11MB8157:EE_ x-ms-office365-filtering-correlation-id: b29c0f27-b277-4441-5872-08dc48d8bfc4 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; 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:BL1PR11MB5978.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(1800799015)(376005)(7416005)(366007)(38070700009);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?ZlpLb2VpbWpwb3FHdVFBQWg1blBvNzVmcHZDOXlPcGF3TTAyZ2Z1ZzM5NEdo?= =?utf-8?B?ZW5VeUozTys1T0ZUU1Q1dHlHNVY1OVl1NUpXWDJ5Q241U2NJMjFDN1lxUDhS?= =?utf-8?B?R2tUckVReG90emRGSkFCMFkwMEE5aWRLVE82dlNiL1Y3Slc3aU1OWW0zeW5L?= =?utf-8?B?Y0U0SjNzODlnV1V1WGFzSUh5MUJBR0gyTHhRODBUUXJiME5xc2VzYndUbXFj?= =?utf-8?B?TEE1ak43NDZXVU9Xak5XemtVY2U0cnF2UE44OEhRVjlvL25vM1cwR0w2WFZ0?= =?utf-8?B?Zlp1WUpTNkVFOFFFVCtwL2hQajIwRVJqalVaWVJaY1ZGNUJtR3kvYjdLdG1w?= =?utf-8?B?UVlGUG14cGJ3U2FkN1IyWHU0Tm5MaHJ2SkppWTNOM05tS2QvdndOcGV4aUc1?= =?utf-8?B?bGRVaFBtNVd5SGsrTVQ5eWdHelZvbmJuWlJrM1VOdDY0WE1Db1dMU01jUjli?= =?utf-8?B?dFhGTnNBcW4xbDVlN1RVYjEyZXhHNklJMjh4M1hmR0lkUmVMczBuN3JQVFY4?= =?utf-8?B?dUhhS3lucVF5dXlGYWFIS0tUZlZYWE13VWdoMVVOd0UwVHJCNTByWjJzTHRp?= =?utf-8?B?L3JSdlAxemZ5czZ5MWJqUlpsWDVMNzUvVW9OOXFFS1lobzlpOVlyZkx6dEd3?= =?utf-8?B?VUR4WkVUZHp1SHBnMTdBQ1NDNkJsTldXL0QvaHZzTUdKamo5YXBncklKaFp1?= =?utf-8?B?bzFHSnpjdFZiVTl6U2lOOW44QWNlbDBaMmtaYXhzSDdiWWxZZDFrdXFUMkVV?= =?utf-8?B?RjViTHEzMEZ0TURjTEg3cTZ1d25VeUtmZFhDTEtJTHU5NGh5UzBuL3NvZWJk?= =?utf-8?B?MnNGNWxrOUw4dDdFL1pFM3V3UWlPamV3ZW9ZUjNVSkVMTW1ybkpBRElONjYv?= =?utf-8?B?aDdTdE1hbWdBUFlWMW0ya2lDVXB5MGFaSE9hRVlubXprd2VTUWg1Z1h5WE45?= =?utf-8?B?RWlvQnd6M3ZiUVhxYUROZW0yMlpuNWZxc3N1UlVOeDBXNC9GN2UzOWRvZzY3?= =?utf-8?B?YmJ1N1lLTlBCWFZmTTJmV3NOcmVyWExPcFFQYTlqZ3RQYUVLcS9uMlQrN0tF?= =?utf-8?B?dXRLU3JlTzg2RWwrdXlXSitYMWsvWElxVWdWdUZOQkpQZkx6bEEyMWg2Y2xo?= =?utf-8?B?SUVNUTJucXBpSDhyd1h1SW9NbHVJUzJKd3NkU2ZKNjVyK3hKM1dTOE9sdDlj?= =?utf-8?B?VitiRG5JMmt1QWR4dHRjeU8weGF4dWxJRGgzdkpVNE1qMXpCbzljNURqNUZV?= =?utf-8?B?djdYcHJYai9tWjVIU1RrUnBQbXVVNzluMytJNE94bmJEcm1vSE00Zk52L3Fk?= =?utf-8?B?K1pmWEdSWElCeXhzRXBtWmhmelJ6aGFUMm1YWmRsckFkMXIyZUlSSmtHd0NI?= =?utf-8?B?cW5QSUN2M2JhdURhV1duQnJtbDJUN0VEL041bmpGS0MwN0R6ZUdJVWkxVWIw?= =?utf-8?B?RDgzSEpwaVBJaW1VcTV2M250WU80djR1QmRnYTBVVkxxMlg2VkNhZVVnN1NX?= =?utf-8?B?TWJ5OXpRcDVTMkQrRFdJMU1KVFJUOFVaOFR4dnlRYXFiczhtZnVxL2xnSVpV?= =?utf-8?B?MkEwZzNsUEE0eXVuWEJlUm5QZDlBZ2lyZHd0TFFTNmN1bVlzSEJYUHZ0K2U3?= =?utf-8?B?S1pYQkVLcEoyN0VsMHBwckhHVFhuRk04SHk2N3JlM2xHVFl1NGRocUVZQ3Rj?= =?utf-8?B?TGt5U2p4bGlwb2JJQmRyb2lNeFYyS1d1bHRIeFdDcVk0L1lyVWY0Qk82ZnYy?= =?utf-8?B?UlNUUE9DNVR1Mlh4dXZXQ0ZCY2ovRlNId1RzcVYrUEYzdVJtNE96KzlUMEx2?= =?utf-8?B?K2VaYmRhMGFvUHk0VjFwc2g2bXYwQUpyZnJ4bGJkeitmSTdWYm44UW1iUVhU?= =?utf-8?B?TS9XSzZJMGJtZTg5V1g5YzNxMmxNTU9vSW1VQjNrQW9ycGl2bXZibkxGSVVB?= =?utf-8?B?T0xiT3FWQVd0OW0vQXN3aGc1SGJ1UE5oOGsySk5sRy9jNGRVMFJkRTlzMEJL?= =?utf-8?B?WGN4NUpGSnFHNjNLT0FaWHpHWXNZcENRV0E4b0RPRDZ2WjZ0akl5Ri9yWFli?= =?utf-8?B?b1MyWmt5Z1FRd2dnbjNNK096TThVTXF1NFMxSjdPYS9RZDE3Qy85R29hcHh1?= =?utf-8?B?cTU2c21vSVhycTVLQjhKSUx0N1doUnZvMDYzQTBIRG9rMHgwb2MyellMckIy?= =?utf-8?B?aWc9PQ==?= Content-Type: text/plain; charset="utf-8" Content-ID: <2149B23C7CD49A45BAE81664DF7CF758@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BL1PR11MB5978.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: b29c0f27-b277-4441-5872-08dc48d8bfc4 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Mar 2024 12:24:54.7195 (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: p0/qH9I/45Ih1hkLla8LsRvKWfqvlV57GxFOiDXP67EKBDv/mTmG/IKQMWixcL0tl6mIcUjipZKfnKrRbsOVew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB8157 X-OriginatorOrg: intel.com DQo+ID4gQEAgLTI5NSwxMSArMzA3LDMwIEBAIHN0YXRpYyBpbnQgcmVhZF9zeXNfbWV0YWRhdGFf ZmllbGQxNih1NjQgZmllbGRfaWQsDQo+ID4gIHN0cnVjdCBmaWVsZF9tYXBwaW5nIHsNCj4gPiAg CXU2NCBmaWVsZF9pZDsNCj4gPiAgCWludCBvZmZzZXQ7DQo+ID4gKwlpbnQgc2l6ZTsNCj4gPiAg fTsNCj4gPiAgDQo+ID4gICNkZWZpbmUgVERfU1lTSU5GT19NQVAoX2ZpZWxkX2lkLCBfc3RydWN0 LCBfbWVtYmVyKQlcDQo+ID4gIAl7IC5maWVsZF9pZCA9IE1EX0ZJRUxEX0lEXyMjX2ZpZWxkX2lk LAkJXA0KPiA+IC0JICAub2Zmc2V0ICAgPSBvZmZzZXRvZihfc3RydWN0LCBfbWVtYmVyKSB9DQo+ ID4gKwkgIC5vZmZzZXQgICA9IG9mZnNldG9mKF9zdHJ1Y3QsIF9tZW1iZXIpLAlcDQo+ID4gKwkg IC5zaXplICAgICA9IHNpemVvZih0eXBlb2YoKChfc3RydWN0ICopMCktPl9tZW1iZXIpKSB9DQo+ IA0KPiBCZWNhdXNlIHdlIHVzZSBjb21waWxlIHRpbWUgY29uc3RhbnQgZm9yIF9maWVsZF9pZCBt b3N0bHksIGNhbiB3ZSBhZGQgYnVpbGQNCj4gdGltZSBjaGVjaz8gU29tZXRoaW5nIGxpa2UgdGhp cy4NCj4gDQo+IHN0YXRpYyBpbmxpbmUgbWV0YWRhdGFfc2l6ZV9jaGVjayh1NjQgZmllbGRfaWQs IHNpemVfdCBzaXplKQ0KPiB7DQo+ICAgICAgICAgQlVJTERfQlVHX09OKGdldF9tZXRhZGF0YV9m aWVsZF9ieXRlcyhmaWVsZF9pZCkgIT0gc2l6ZSk7DQo+IH0NCj4gDQo+ICNkZWZpbmUgVERfU1lT SU5GT19NQVAoX2ZpZWxkX2lkLCBfc3RydWN0LCBfbWVtYmVyKQlcDQo+IAl7IC5maWVsZF9pZCA9 IE1EX0ZJRUxEX0lEXyMjX2ZpZWxkX2lkLAkJXA0KPiAJICAub2Zmc2V0ICAgPSBvZmZzZXRvZihf c3RydWN0LCBfbWVtYmVyKSwJXA0KPiAJICAuc2l6ZSAgICAgPSBcDQo+IAkJKHsgc2l6ZV90IHMg PSBzaXplb2YodHlwZW9mKCgoX3N0cnVjdCAqKTApLT5fbWVtYmVyKSk7IFwNCj4gICAgICAgICAg ICAgICAgIG1ldGFkYXRhX3NpemVfY2hlY2soTURfRklFTERfSURfIyNfZmllbGRfaWQsIHMpOyBc DQo+ICAgICAgICAgICAgICAgICBzOyB9KSB9DQo+IA0KDQpIbW0uLiBUaGUgcHJvYmxlbSBpcyAi bW9zdGx5IiBhcyB5b3UgbWVudGlvbmVkPw0KDQpNeSB1bmRlcnN0YW5kaW5nIGlzIEJVSUxEX0JV R19PTigpIHJlbGllcyBvbiB0aGUgImNvbmRpdGlvbiIgdG8gYmUgY29tcGlsZS10aW1lDQpjb25z dGFudC4gIEluIHlvdXIgS1ZNIFREWCBwYXRjaHNldCB0aGVyZSdzIGNvZGUgdG8gZG8gLi4uDQoN Cglmb3IgKGkgPSAwOyBpIDwgTlJfV0hBVEVWRVI7IGkrKykgew0KCQljb25zdCBzdHJ1Y3QgdGR4 X21ldGFkYXRhX2ZpZWxkX21hcHBpbmcgZmllbGRzID0gew0KCQkJVERfU1lTSU5GT19NQVAoRklF TERfV0hBVEVWRVJFICsgaSwgLi4uKSwNCgkJCS4uLg0KCQl9Ow0KDQoJCS4uLg0KCX0NCg0KVG8g YmUgaG9uZXN0IEkgYW0gbm90IGV4YWN0bHkgc3VyZSB3aGV0aGVyIHRoZSBjb21waWxlciBjYW4g ZGV0ZXJtaW5lDQoiRklFTERfV0hBVEVWRVIgKyBpIiBhcyBjb21waWxlLXRpbWUgY29uc3RhbnQu DQoNCkJ0dywgaWYgdGhlcmUncyBhbnkgbWlzbWF0Y2gsIHRoZSBjdXJyZW50IGNvZGUgY2FuIGFs cmVhZHkgY2F0Y2ggZHVyaW5nIHJ1bnRpbWUuDQpJIHRoaW5rIG9uZSBwdXJwb3NlIChwZXJoYXBz IHRoZSBtb3N0IGltcG9ydGFudCBwdXJwb3NlKSBvZiBCVUlMRF9CVUdfT04oKSBpcyB0bw0KY2F0 Y2ggYnVnIGVhcmx5IGlmIHNvbWVvbmUgY2hhbmdlZCB0aGUgY29uc3RhbnQgKG1hY3JvcyBldGMp IGluIHRoZSAiY29uZGl0aW9uIi4NCkJ1dCBpbiBvdXIgY2FzZSwgb25jZSB3cml0dGVuIG5vIG9u ZSBpcyBnb2luZyB0byBjaGFuZ2UgdGhlIHN0cnVjdHVyZSBvciB0aGUNCm1ldGFkYXRhIGZpZWxk cy4gIFNvIEkgYW0gbm90IHN1cmUgd2hldGhlciBpdCdzIHdvcnRoIHRvIGRvLg0KDQo=