From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 555DFC432BE for ; Thu, 5 Aug 2021 18:43:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39F5D60F58 for ; Thu, 5 Aug 2021 18:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241556AbhHESnz (ORCPT ); Thu, 5 Aug 2021 14:43:55 -0400 Received: from mga03.intel.com ([134.134.136.65]:16626 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232270AbhHESny (ORCPT ); Thu, 5 Aug 2021 14:43:54 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10067"; a="214255313" X-IronPort-AV: E=Sophos;i="5.84,296,1620716400"; d="scan'208";a="214255313" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2021 11:43:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,296,1620716400"; d="scan'208";a="501742971" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by orsmga001.jf.intel.com with ESMTP; 05 Aug 2021 11:43:37 -0700 Received: from fmsmsx609.amr.corp.intel.com (10.18.126.89) by fmsmsx604.amr.corp.intel.com (10.18.126.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Thu, 5 Aug 2021 11:43:37 -0700 Received: from fmsedg601.ED.cps.intel.com (10.1.192.135) by fmsmsx609.amr.corp.intel.com (10.18.126.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10 via Frontend Transport; Thu, 5 Aug 2021 11:43:37 -0700 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (104.47.58.105) 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 15.1.2242.10; Thu, 5 Aug 2021 11:43:37 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YXa1fHXaALM0ES6IBAfioTIq5URvU2f2wekA1sgt6d7qhaI9hxP7pqlybTtEhoBxPmciVPiDs10m/jjwY8wef15VOcyItwEjnhJtwzC5jSJNbw+BqzH/0KUaief9MEX6dtYvFlL0JAUExBRy0EgfmPVItJK4qu35cUC3Rw79OWaiBO/CjxDC6ppc4OvqfZbpL3t68nHwhcx5vNvOF5QCufR5jUVC6AL9WrN8nYzM6lZxHLbnLyULg5/9SXewwrTFZN6F2Cqi0yScfSgEYhPxhr+6CbMz+zkMCnaKMl0vpY6wVnrv8HrCNVsDT/BXHArtHO2Jh8Jva0Y45/c8wTh47g== 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-SenderADCheck; bh=uRjTcizaN1EfS3l3PfRb3Ik75rXysjp79xmbDebJVb8=; b=KY+AHVI7J7SHq60YtsS/tXDCSkx/rIFzm5vmSD/0tfKQwcpMO4Qm3JEDVwQhaOtUXs4GWaXA9rmHdZjhEnyZrf9Pt7tIdKCsbl8HyVGHie8qyJtJbUD4DyvefkbBZ3Vp9HNRN8Ix9OrK2Jnl9b256A86nrTVG3LD22hh9avaLUe6gVf2cuwma5sKqfob74/fR95Ka8KHnpcVMVn8j3PsGrrX9tvEsXD6c3bxE6RuRkgDVEWEFWUWc+SWE5uNp+YfoHnMTg3CgY1Itt8HkVYx7LxJAE8bJCTMW9nVrAZNiknOOzNS+Jo8gx6QFFluMKQVuTUHsTBOyjupmBVbH/nO8A== 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel.onmicrosoft.com; s=selector2-intel-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=uRjTcizaN1EfS3l3PfRb3Ik75rXysjp79xmbDebJVb8=; b=Cb/HJZJ0XvTcLctXRleN4wjcWuKHtOOtg1My1OrHfyO5/UuLNaUh1vKrkMxfMe+y6h9CzHz8kd2glxqhjYTz0pb1V6w/THubZ7pAhKmh+GW40DrKPiRIHQriq7LHUZOWdcl0/3k4TxoVFMtNt0scIGonjcZTj76Aec1M5DLe06s= Received: from SN6PR11MB3184.namprd11.prod.outlook.com (2603:10b6:805:bd::17) by SA2PR11MB5196.namprd11.prod.outlook.com (2603:10b6:806:119::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.15; Thu, 5 Aug 2021 18:43:35 +0000 Received: from SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::4046:c957:f6a9:27db]) by SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::4046:c957:f6a9:27db%5]) with mapi id 15.20.4394.017; Thu, 5 Aug 2021 18:43:35 +0000 From: "Edgecombe, Rick P" To: "seanjc@google.com" CC: "erdemaktas@google.com" , "linux-kernel@vger.kernel.org" , "jmattson@google.com" , "Huang, Kai" , "vkuznets@redhat.com" , "kvm@vger.kernel.org" , "tglx@linutronix.de" , "ckuehl@redhat.com" , "joro@8bytes.org" , "x86@kernel.org" , "hpa@zytor.com" , "mingo@redhat.com" , "pbonzini@redhat.com" , "bp@alien8.de" , "Yamahata, Isaku" , "isaku.yamahata@gmail.com" , "wanpengli@tencent.com" Subject: Re: [RFC PATCH v2 41/69] KVM: x86: Add infrastructure for stolen GPA bits Thread-Topic: [RFC PATCH v2 41/69] KVM: x86: Add infrastructure for stolen GPA bits Thread-Index: AQHXb45iOjTe58868U2SNstYrdIG9qtk/1wAgABJSICAABDngIAACO4AgAASAAA= Date: Thu, 5 Aug 2021 18:43:35 +0000 Message-ID: <7231028edae70dfaeab304d6206d4426b9233f41.camel@intel.com> References: <20210805234424.d14386b79413845b990a18ac@intel.com> <78b802bbcf72a087bcf118340eae89f97024d09c.camel@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Evolution 3.28.5-0ubuntu0.18.04.2 authentication-results: google.com; dkim=none (message not signed) header.d=none;google.com; dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7878a76b-50a9-4577-aa49-08d95840ee9d x-ms-traffictypediagnostic: SA2PR11MB5196: x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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:SN6PR11MB3184.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(54906003)(508600001)(36756003)(316002)(38100700002)(122000001)(38070700005)(66446008)(8936002)(66476007)(76116006)(66946007)(64756008)(26005)(91956017)(4326008)(66556008)(6512007)(6506007)(83380400001)(5660300002)(186003)(6916009)(7416002)(2906002)(2616005)(8676002)(71200400001)(86362001)(6486002)(99106002);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?MCs2WUpHUkR2c050SnV6YThVOVRncUFzcjYxNWU1SEZUVmx2a0tGczBnb3Ft?= =?utf-8?B?RHVMKzNmeXptZnFYcUpXeWVIM1NnQTUzZGE0SnYyYkFqYmM5eCs3OU5rOGNu?= =?utf-8?B?cnEwcXNOQUlKUEpybW93YndBMFkvK2NTR3hGTzkxY3N4Nm1ROG5PYkNXamcx?= =?utf-8?B?eTFTQmZYdFpCbUhBazdGeVdmRVFoMkxnZ01CMEVLWG92QWc2R3FqWHVsRmFv?= =?utf-8?B?dlE0blhRcS9GeGxodDlLaG16NGpXa1Q5cVpXV2g4L1REMnNXdUpKeE4xUkpM?= =?utf-8?B?RDBIWVU3R09sUityMFYrY3oreTVUaEdhd2tpNi9kbUpiN3o5MlZZSHc3aXVj?= =?utf-8?B?TDFtMFUwZGc4WXhlQVVaSGdRbjEyejl4WFJCV1dMc2JCaDIyU2FiU25peHlJ?= =?utf-8?B?Rnh6aWtIWmdFMVBjeUVJL0lHOEVPZ2lZSnNJL1hOK3IvV2NNeFdjTWx1eW1E?= =?utf-8?B?RnIvbE51N0RFV1VkTEYzV1hUdzdBSUNvejNTNmhaOU1PZTI1QkJ0dlJObkJ2?= =?utf-8?B?ZlFGdGJYakthNXUxeWY4dGtvbWRjNVhrWVFLL0cxTnYreUUwNk1LekR1YmNE?= =?utf-8?B?eDRNNlJmb2tVUVMveFZHeHc0UmMycHJoUjFwOHVMMkgyNDZtSmN2akFFZFF4?= =?utf-8?B?RWYxUmFlazVWdU81Q016dkdEL3JCUjdzdWNPMUNxVGxsT3BCU0lsWTYzQW9u?= =?utf-8?B?dTQ1ejVSbTFwMThkMHd3U2N6aFo1VnU5QWZQYm1kWVhqRkZXOEtXR1Q1cG1D?= =?utf-8?B?L2JVaU9tV0lnbjVoQ3I1OFlNZU9scU9FNGVkM2ZnMXQrTzRFaklNVG9YZ3ds?= =?utf-8?B?RzMxZkRRaFFJOHFKd2c2WnlOQTQzcndzMTJSSUUxanlsRzdQZ2RxbmZKQW1r?= =?utf-8?B?OHFvekJyN3QwY3ozYTlTc2JwZGVHZXZ0UFBheDQyQ09rempJSzN6b1dreW93?= =?utf-8?B?aUczWVVxcExDeVk2VmdjNmhIU3NSclQ3YVRsYjlxWnlWaU9COElLMzJZRm9o?= =?utf-8?B?Rll4V05tWDVhY1Z4V0xDM3BnMTBJRDRmYUozT2F5dG16OE8zMXA4eWJLdE5r?= =?utf-8?B?SG5VS0czNzFIVTl3dGZoUXcvZFJQaU1FMjdlcFlDT28yYjJOSEhhQnhRTTJk?= =?utf-8?B?RmIrQjI3RmNteEU1VmJkb0xFTUsvMEh2eUlNN1JPSSthS0QxRmpZbkxmNHlR?= =?utf-8?B?MUhaSWx4dEliQncxS2hSVlU0SkZZbGZFK0oxSTRhTTRhbWlGQkV5SXkzTWNp?= =?utf-8?B?V2lXSndhUmVaM0tqSW1hWkpBS2ZXZGJXQUJvSjNSRGVjOU41YkhYUW9wNkxG?= =?utf-8?B?RldVUElId3NYWTZidkJNU2Z4RHFIZ2lCWEVobnBlQnJBeE54ekpmcnRGWXR0?= =?utf-8?B?cGlud0Rvblh2bTZyRHYzN0R6K2d1S1VlY2NhWjBlRzM4Z0lkTWlZUmZsd2Nh?= =?utf-8?B?TGJpeHFuVmpjRVk5MVBuOHFWOW1sakUwZ1ZRSTA4MDl1Q041VHBWV1orbTlI?= =?utf-8?B?VkpibldSWW41aE92SlNjbUtDdGcwdGsvTTRlOXpPRTVWdGxrdDRHSXNPNk9W?= =?utf-8?B?cTNyTEhWUEpvdTN4WUhpc2FzcmlHUW4zVXVsTWFCTlFhMTNkckZja0VKajRu?= =?utf-8?B?TTh2dVhPN0U5YUJ3c3JETExOMlN2N3ZqQXIrQ0RmOG5JMCs3ZG55UmFWM3c2?= =?utf-8?B?SmhMRE1MV1p1TTlTSTBhYnZSdktZSzJoWjZBM0w2NFVwYUJ6VXRPWW0rSGVw?= =?utf-8?B?YXJMZlNReVg5L2NlOHJzOXBjaEVjcXlNc1BNQjhDdGZPWmVPUXFqeksyWUlq?= =?utf-8?B?b0pCM3FNZ2lMQjloeFdHUT09?= Content-Type: text/plain; charset="utf-8" Content-ID: <40FD1938E39A224EB8566840D08473ED@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3184.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7878a76b-50a9-4577-aa49-08d95840ee9d X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2021 18:43:35.2458 (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: zbB4uq7/jXhCfgoyBr5RcFZR6JdDiFIsnbur9HvtLMQPb+wvUOtDzesVjo7f6rI9dViK5HixvTAArW0j2vU/rnm/y80VbRQrBS/dviKphok= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA2PR11MB5196 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDIxLTA4LTA1IGF0IDE3OjM5ICswMDAwLCBTZWFuIENocmlzdG9waGVyc29uIHdy b3RlOg0KPiBPbiBUaHUsIEF1ZyAwNSwgMjAyMSwgRWRnZWNvbWJlLCBSaWNrIFAgd3JvdGU6DQo+ ID4gT24gVGh1LCAyMDIxLTA4LTA1IGF0IDE2OjA2ICswMDAwLCBTZWFuIENocmlzdG9waGVyc29u IHdyb3RlOg0KPiA+ID4gT24gVGh1LCBBdWcgMDUsIDIwMjEsIEthaSBIdWFuZyB3cm90ZToNCj4g PiA+ID4gQW5kIHJlbW92aW5nICdnZm5fc3RvbGVuX2JpdHMnIGluICdzdHJ1Y3Qga3ZtX21tdV9w YWdlJyBjb3VsZA0KPiA+ID4gPiBhbHNvIHNhdmUNCj4gPiA+ID4gc29tZSBtZW1vcnkuDQo+ID4g PiANCj4gPiA+IEJ1dCBJIGRvIGxpa2Ugc2F2aW5nIG1lbW9yeS4uLiAgT25lIHBvdGVudGlhbGx5 IGJhZCBpZGVhIHdvdWxkIGJlDQo+ID4gPiB0bw0KPiA+ID4gdW5pb25pemUgZ2ZuIGFuZCBzdG9s ZW4gYml0cyBieSBzaGlmdGluZyB0aGUgc3RvbGVuIGJpdHMgYWZ0ZXINCj4gPiA+IHRoZXkncmUN Cj4gPiA+IGV4dHJhY3RlZCBmcm9tIHRoZSBncGEsIGUuZy4NCj4gPiA+IA0KPiA+ID4gCXVuaW9u IHsNCj4gPiA+IAkJZ2ZuX3QgZ2ZuX2FuZF9zdG9sZW47DQo+ID4gPiAJCXN0cnVjdCB7DQo+ID4g PiAJCQlnZm5fdCBnZm46NTI7DQo+ID4gPiAJCQlnZm5fdCBzdG9sZW46MTI7DQo+ID4gPiAJCX0N Cj4gPiA+IAl9Ow0KPiA+ID4gDQo+ID4gPiB0aGUgZG93bnNpZGVzIGJlaW5nIHRoYXQgYWNjZXNz aW5nIGp1c3QgdGhlIGdmbiB3b3VsZCByZXF1aXJlIGFuDQo+ID4gPiBhZGRpdGlvbmFsDQo+ID4g PiBtYXNraW5nIG9wZXJhdGlvbiwgYW5kIHRoZSBzdG9sZW4gYml0cyB3b3VsZG4ndCBhbGlnbiB3 aXRoDQo+ID4gPiByZWFsaXR5Lg0KPiA+IA0KPiA+IEl0IGRlZmluaXRlbHkgc2VlbXMgbGlrZSB0 aGUgc3AgY291bGQgYmUgcGFja2VkIG1vcmUgZWZmaWNpZW50bHkuDQo+IA0KPiBZZWFoLCBpbiBn ZW5lcmFsIGl0IGNvdWxkIGJlIG9wdGltaXplZC4gIEJ1dCBmb3IgVERQL2RpcmVjdCBNTVVzLCB3 ZQ0KPiBkb24ndCBjYXJlDQo+IHRoYWFhdCBtdWNoIGJlY2F1c2UgdGhlcmUgYXJlIHJlbGF0aXZl bHkgZmV3IHNoYWRvdyBwYWdlcywgdmVyc3VzDQo+IGluZGlyZWN0IE1NVXMNCj4gd2l0aCB0aG91 c2FuZHMgb3IgdGVucyBvZiB0aG91c2FuZHMgb2Ygc2hhZG93IHBhZ2VzLiAgT2YgY291cnNlLA0K PiBpbmRpcmVjdCBNTVVzDQo+IGFyZSBhbHNvIHRoZSBtb3N0IGdsdXR0b25vdXMgZHVlIHRvIHRo ZSB1bnN5bmNfY2hpbGRfYml0bWFwLCBnZm5zLA0KPiB3cml0ZSBmbG9vZGluZw0KPiBjb3VudCwg ZXRjLi4uDQo+IA0KPiBJZiB3ZSByZWFsbHkgd2FudCB0byByZWR1Y2UgdGhlIG1lbW9yeSBmb290 cHJpbnQgZm9yIHRoZSBjb21tb24gY2FzZQ0KPiAoVERQIE1NVSksDQo+IHRoZSBjcnVkIHRoYXQn cyB1c2VkIG9ubHkgYnkgaW5kaXJlY3Qgc2hhZG93IHBhZ2VzIGNvdWxkIGJlIHNob3ZlZA0KPiBp bnRvIGENCj4gZGlmZmVyZW50IHN0cnVjdCBieSBhYnVzaW5nIHRoZSBzdHJ1Y3QgbGF5b3V0IGFu ZCBhbmQgd3JhcHBpbmcNCj4gYWNjZXNzZXMgdG8gdGhlDQo+IGluZGlyZWN0LW9ubHkgZmllbGRz IHdpdGggY2FzdHMvY29udGFpbmVyX29mIGFuZCBoZWxwZXJzLCBlLmcuDQo+IA0KV293LCBkaWRu J3QgcmVhbGl6ZSBjbGFzc2ljIE1NVSB3YXMgdGhhdCByZWxlZ2F0ZWQgYWxyZWFkeS4gTW9zdGx5 IGFuDQpvbmxvb2tlciBoZXJlLCBidXQgZG9lcyBURFggYWN0dWFsbHkgbmVlZCBjbGFzc2ljIE1N VSBzdXBwb3J0PyBOaWNlIHRvDQpoYXZlPw0KDQo+IHN0cnVjdCBrdm1fbW11X2luZGlyZWN0X3Bh Z2Ugew0KPiAJc3RydWN0IGt2bV9tbXVfcGFnZSB0aGlzOw0KPiANCj4gCWdmbl90ICpnZm5zOw0K PiAJdW5zaWduZWQgaW50IHVuc3luY19jaGlsZHJlbjsNCj4gCURFQ0xBUkVfQklUTUFQKHVuc3lu Y19jaGlsZF9iaXRtYXAsIDUxMik7DQo+IA0KPiAjaWZkZWYgQ09ORklHX1g4Nl8zMg0KPiAJLyoN Cj4gCSAqIFVzZWQgb3V0IG9mIHRoZSBtbXUtbG9jayB0byBhdm9pZCByZWFkaW5nIHNwdGUgdmFs dWVzIHdoaWxlDQo+IGFuDQo+IAkgKiB1cGRhdGUgaXMgaW4gcHJvZ3Jlc3M7IHNlZSB0aGUgY29t bWVudHMgaW4NCj4gX19nZXRfc3B0ZV9sb2NrbGVzcygpLg0KPiAJICovDQo+IAlpbnQgY2xlYXJf c3B0ZV9jb3VudDsNCj4gI2VuZGlmDQo+IA0KPiAJLyogTnVtYmVyIG9mIHdyaXRlcyBzaW5jZSB0 aGUgbGFzdCB0aW1lIHRyYXZlcnNhbCB2aXNpdGVkIHRoaXMNCj4gcGFnZS4gICovDQo+IAlhdG9t aWNfdCB3cml0ZV9mbG9vZGluZ19jb3VudDsNCj4gfQ0KPiANCj4gDQo+ID4gT25lIG90aGVyIGlk ZWEgaXMgdGhlIHN0b2xlbiBiaXRzIGNvdWxkIGp1c3QgYmUgcmVjb3ZlcmVkIGZyb20gdGhlDQo+ ID4gcm9sZQ0KPiA+IGJpdHMgd2l0aCBhIGhlbHBlciwgbGlrZSBob3cgdGhlIHBhZ2UgZmF1bHQg ZXJyb3IgY29kZSBzdG9sZW4gYml0cw0KPiA+IGVuY29kaW5nIHZlcnNpb24gb2YgdGhpcyB3b3Jr cy4NCj4gDQo+IEFzIGluLCBhIGdlbmVyaWMgInN0b2xlbl9nZm5fYml0cyIgaW4gdGhlIHJvbGUg aW5zdGVhZCBvZiBhIHBlci0NCj4gZmVhdHVyZSByb2xlIGJpdD8NCj4gVGhhdCB3b3VsZCBhdm9p ZCB0aGUgcHJvYmxlbSBvZiBwZXItZmVhdHVyZSByb2xlIGJpdHMgbGVhZGluZyB0byBhDQo+IHBp bGUgb2YNCj4gbWFyc2hhbGxpbmcgY29kZSwgYW5kIHdvdWxkbid0IHN1ZmZlciB0aGUgbWFza2lu ZyBjb3N0IHdoZW4gYWNjZXNzaW5nDQo+IC0+Z2ZuLA0KPiB0aG91Z2ggSSdtIG5vdCBzdXJlIHRo YXQgbWF0dGVycyBtdWNoLg0KV2VsbCBJIHdhcyB0aGlua2luZyBtdWx0aXBsZSB0eXBlcyBvZiBh bGlhc2VzLCBsaWtlIHRoZSBwZiBlcnIgY29kZQ0Kc3R1ZmYgd29ya3MsIGxpa2UgdGhpczoNCg0K Z2ZuX3Qgc3RvbGVuX2JpdHMoc3RydWN0IGt2bSAqa3ZtLCBzdHJ1Y3Qga3ZtX21tdV9wYWdlICpz cCkNCnsNCglnZm5fdCBzdG9sZW4gPSAwOw0KDQoJaWYgKHNwLT5yb2xlLnNoYXJlZCkNCgkJc3Rv bGVuIHw9IGt2bS0+YXJjaC5nZm5fc2hhcmVkX21hc2s7DQoJaWYgKHNwLT5yb2xlLm90aGVyX2Fs aWFzKQ0KCQlzdG9sZW4gfD0ga3ZtLT5hcmNoLmdmbl9vdGhlcl9tYXNrOw0KDQoJcmV0dXJuIHN0 b2xlbjsNCn0NCg0KQnV0IHllYSwgdGhlcmUgcmVhbGx5IG9ubHkgbmVlZHMgdG8gYmUgb25lLiBT dGlsbCBiaXQgc2hpZnRpbmcgc2VlbXMNCmJldHRlci4NCg0KPiANCj4gPiBJZiB0aGUgc3RvbGVu IGJpdHMgYXJlIG5vdCBmZWQgaW50byB0aGUgaGFzaCBjYWxjdWxhdGlvbiB0aG91Z2ggaXQNCj4g PiB3b3VsZCBjaGFuZ2UgdGhlIGJlaGF2aW9yIGEgYml0LiBOb3Qgc3VyZSBpZiBmb3IgYmV0dGVy IG9yIHdvcnNlLg0KPiA+IEFsc28NCj4gPiB0aGUgY2FsY3VsYXRpb24gb2YgaGFzaCBjb2xsaXNp b25zIHdvdWxkIG5lZWQgdG8gYmUgYXdhcmUuDQo+IA0KPiBUaGUgcm9sZSBpcyBhbHJlYWR5IGZh Y3RvcmVkIGludG8gdGhlIGNvbGxpc2lvbiBsb2dpYy4NCkkgbWVhbiBob3cgYWxpYXNlcyBvZiB0 aGUgc2FtZSBnZm4gZG9uJ3QgbmVjZXNzYXJpbHkgY29sbGlkZSBhbmQgdGhlDQpjb2xsaXNpb25z IGNvdW50ZXIgaXMgb25seSBpbmNyZW1lbnRlZCBpZiB0aGUgZ2ZuL3N0b2xlbiBtYXRjaGVzLCBi dXQNCm5vdCBpZiB0aGUgcm9sZSBpcyBkaWZmZXJlbnQuDQoNCj4gDQo+ID4gRldJVywgSSBraW5k IG9mIGxpa2Ugc29tZXRoaW5nIGxpa2UgU2VhbidzIHByb3Bvc2FsLiBJdCdzIGEgYml0DQo+ID4g Y29udm9sdXRlZCwgYnV0IHRoZXJlIGFyZSBtb3JlIHVudXNlZCBiaXRzIGluIHRoZSBnZm4gdGhh biB0aGUNCj4gPiByb2xlLg0KPiANCj4gQW5kIHRpZ2h0bHkgYm91bmQsIGkuZS4gdGhlcmUgY2Fu J3QgYmUgbW9yZSB0aGFuIGdmbl90IGdmbitnZm5fc3RvbGVuDQo+IGJpdHMuDQo+IA0KPiA+IEFs c28gdGhleSBhcmUgYSBsaXR0bGUgbW9yZSByZWxhdGVkLg0KPiANCj4gDQo=