From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mx.groups.io with SMTP id smtpd.web10.682.1654646792998963018 for ; Tue, 07 Jun 2022 17:06:34 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="unable to parse pub key" header.i=@intel.com header.s=intel header.b=TNwRnukS; spf=pass (domain: intel.com, ip: 134.134.136.126, mailfrom: min.m.xu@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654646793; x=1686182793; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=AW01jx3KlWur9hl3FyctopJjgJ1K0s5r85mBL2d9lGw=; b=TNwRnukSX4HqtMIe4XN4r8HQm2QHYVlK27lc9cWqMzpzs/Ibp0lpLuLX Hz+nJDZFrtuvwzYuPda6LIhQDK43r9WFna++yCGZVM8uzDI+wovvYNbIo Tu405aE5h1b7qYdJrkr15RkWtZrc/SlvejG6p8yjHhdUhHhFtwGFDp2e4 ewcDpLXGePRUirvvp3egi4IDfhi8Se1+rj+DN5ed4qiq/Jtkx78E4sbtK 66pt24xt1022rc7H0aw6LJPwwD2jdiQbczGfeEFNAfMwzYTw9VNAEhdO0 fIdqp2stUrQw1Jpkjz3lqc74LXDNNhZIsDEbw9sPxLOppBzPfNf1/TqQv A==; X-IronPort-AV: E=McAfee;i="6400,9594,10371"; a="259815030" X-IronPort-AV: E=Sophos;i="5.91,284,1647327600"; d="scan'208";a="259815030" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2022 17:06:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,284,1647327600"; d="scan'208";a="565654909" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by orsmga002.jf.intel.com with ESMTP; 07 Jun 2022 17:06:32 -0700 Received: from fmsmsx607.amr.corp.intel.com (10.18.126.87) 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 15.1.2308.27; Tue, 7 Jun 2022 17:06:31 -0700 Received: from fmsedg601.ED.cps.intel.com (10.1.192.135) by fmsmsx607.amr.corp.intel.com (10.18.126.87) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27 via Frontend Transport; Tue, 7 Jun 2022 17:06:31 -0700 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.170) 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 15.1.2308.27; Tue, 7 Jun 2022 17:06:31 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Zuspg6MhvfKdTc2bXG/F5Li1Ot4JsT5zw5owFx8aGFeRPWzaE0l5RaQtIaQC4CN+RBm/xr/COTVL7lDblNLF8YfOslptCtCOuudJV4SauvVp0iyoduLz/stEO2Rknh+A1+HaRQXt1bCCU4+SoKWdAXaKtNRw1yddVteWykCKQfo9EDKEcRtew5zEgtWuq5rQEcNw5OI4eI2q8H0m7Uby5NhcTmCom1fJE+QUEhF9L1ZNPMNe4Cz+6JPjG0RxR4PvmjlfrPl+Yzj73JmXSdjfPgyZazhsaUPPeoeQo2VUsxOj0gCDFUFJEC4NX9W+FysRUWrhTRI7+rt40SZRuULUtg== 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=o8CTGBV66coqoCwgP7IC+g9om07A8fkj3ngpNf0o2vQ=; b=MWI4RpcuRcuidoOaaOWhbSQMkMLPzcnR092d2wMprcwg+mkiGS2AyErSBDB9jXPzkh6V4EYG01cer2arAYz2NPwOFO2RdvErRaYUfvDC9cvveMcqMXrWwBRTyHhVis1EQBxDBuX2+Sc8iqWxfTyuCe5pQkhGK42JfyCUi0Alx+8TNzLlooyEBvj+ff6YD/YnR70FqJTOqGqMXUnSX6CnWFFf5lpMeGvfdmJH9uQWd/q9olE3M7BbECzp/jLrf6OQD7kUR6YGpAmokYZ53gem6DcHysXb2Wqe9uKIWfeOfig/5FEfahzvRIleg2/VmIbEdin1799hs8vGXGHGDK8gkg== 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 PH0PR11MB5064.namprd11.prod.outlook.com (2603:10b6:510:3b::15) by CH2PR11MB4326.namprd11.prod.outlook.com (2603:10b6:610:3c::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5314.15; Wed, 8 Jun 2022 00:06:29 +0000 Received: from PH0PR11MB5064.namprd11.prod.outlook.com ([fe80::1844:3fca:639e:7c56]) by PH0PR11MB5064.namprd11.prod.outlook.com ([fe80::1844:3fca:639e:7c56%7]) with mapi id 15.20.5314.019; Wed, 8 Jun 2022 00:06:28 +0000 From: "Min Xu" To: Gerd Hoffmann CC: "devel@edk2.groups.io" , "Aktas, Erdem" , James Bottomley , "Yao, Jiewen" , Tom Lendacky Subject: Re: [PATCH 07/14] OvmfPkg: Add PCD and DEFINEs for Lazy Accept page. Thread-Topic: [PATCH 07/14] OvmfPkg: Add PCD and DEFINEs for Lazy Accept page. Thread-Index: AQHYeVGn1O1IU1nzYUeJHNsKK6qAgK1DxN0AgADefwA= Date: Wed, 8 Jun 2022 00:06:28 +0000 Message-ID: References: <20220607104550.hz6c7etgxtksylwu@sirius.home.kraxel.org> In-Reply-To: <20220607104550.hz6c7etgxtksylwu@sirius.home.kraxel.org> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.500.17 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7b8ddd39-8097-4015-184c-08da48e2bc88 x-ms-traffictypediagnostic: CH2PR11MB4326:EE_ x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-microsoft-antispam-prvs: 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:PH0PR11MB5064.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(366004)(76116006)(2906002)(66946007)(66446008)(38100700002)(6506007)(7696005)(38070700005)(316002)(6916009)(4326008)(86362001)(9686003)(122000001)(33656002)(8676002)(66476007)(55016003)(966005)(186003)(83380400001)(71200400001)(508600001)(5660300002)(52536014)(82960400001)(8936002)(64756008)(66556008)(26005)(54906003);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?J3wNhNTkygoTLKmaZL8k6I2yUCdx/ZGoZ6WpQWNIRwL5B6jDmsr6L/wnkRa6?= =?us-ascii?Q?OvjaaAuTheNGanaVbMkbibh2jknds67yWZOk1NSlAnVAEvJUn1aZdPPWLguw?= =?us-ascii?Q?sVhcea5Uh2Rgq8BwKRY3fW0ZjR1G7wwcuQ+RxyE6gurcHT4vYwd3p4vRTd+w?= =?us-ascii?Q?Lo8TQAyB1K2+YOgnQg6LDpcgYEoeerWElsu91NZIZGUsvRZwQ2LFCv9DaLkt?= =?us-ascii?Q?sXBuvANr3KWnmqsQsmKT3ZyKTqhV0DbtthuWmWJMbqh1o+BhK8/d75DYtnZR?= =?us-ascii?Q?Zjb4Ubppz6hmVQbkbWoiX4E2wBhzslpyyo4ULtChk8wxuI67L/Eh81QtDowX?= =?us-ascii?Q?y5svDjhmXWvUItdu3wF0i/OFNo8LHn3CnA1JxI+1c1n4jbaT0+DtxkOYfx2V?= =?us-ascii?Q?tUJquTeI/z94xjQMdRPCjctyf9wSFenqRfXbaodePmMwK6htWD//WKiMadJ4?= =?us-ascii?Q?O+a8Dcqty8GOJq8KC2qIqdNWWCiYku1uinTsZkG2BFJPr0vjEkckSdZ5ydhJ?= =?us-ascii?Q?GjTZqM8g8+6vltj4dAloISaI9JKu2+2t1P5NuRxZdFTpBJZi2RP9BJ2J9Ec/?= =?us-ascii?Q?W6RqxS/KRCRU6Pw/ewYTr6ssV1PeaPgO+de/Jzq6v50xSGGymbNCILcnd7jU?= =?us-ascii?Q?wYnwCCa/jAiyDOEyfqBcGoNFDjvw2oeIlg7bPFfZlbEeMBgVJL/n7AvDtiMY?= =?us-ascii?Q?GbV7wny1kIGLwCX4BkaBn6mcIH9Yvrkhfi550sTTCYWf2UHPTrwoZbIwDylF?= =?us-ascii?Q?KWNaoxhHvBJY0ogzc1eLiXBUBTl7CyK/bMY2bfhyscuURsZMU7uG699GGoJu?= =?us-ascii?Q?+1JNDAWQy6fL2GqRBRnB/JOs6Ux4631PjvTuxlys7+HXJsQrGCD25VcWcFQy?= =?us-ascii?Q?gCD17C1PsLEKZ1W6Leuk/ZLfarQrlrhrJ81aNzRpue7pWvMuGxmhhi302sAh?= =?us-ascii?Q?mKhaikZ0DRzflf4JGgDySEvaI9Mmun8/8MpNF17x560eAxIFkwZ0M/rKuR2e?= =?us-ascii?Q?rMabM65dYSrMviUHdjmZ62CHS0iX6HHUIw1HQc57yO/br3wv2fzktEoadv5P?= =?us-ascii?Q?iEqbfUjontnqprAZlZWFOJ/QzqgX2MT9vS/Du5AEIczpRjYptiV2fDexRK+8?= =?us-ascii?Q?X/rcoFoqr5Nva+QnY1N/olWRVkUktqaDDOde/usUIdHsXCeoKEsdkP6kmr6u?= =?us-ascii?Q?9x+jbsZIv+gVniQFjmz+wwRDP1aByDk1gKBVvObJq5ML8SmwQJ6QsRiBKlCb?= =?us-ascii?Q?Vxwtx1NHKRuExSmxTBbrtgdv446gPnzv0XHfdO7qwXrYqEObqTIav3xZs8Qe?= =?us-ascii?Q?+18my/LYrW1AwWIaJUrGDbJC6WVpR8JBUwxAm/P5UVkDjDIlQtDIlbcECPTD?= =?us-ascii?Q?3GzaPFdUQIzvr5AlGBs/GPL7RfbKZgzwKTIECWA4j33pmqbOCX5Erw4rOdxU?= =?us-ascii?Q?T8BxcoJtAuJb50V3IXy2OYDYEqmjs5kWur+bDBlknyPRZwUQR1jQu54ZQyvy?= =?us-ascii?Q?avzy2EPvUOfitelfjHA8wkSGWhCZVKQjp2Dr3WaEMw1tisu4qLwUudRmz0Ca?= =?us-ascii?Q?0HWsRBYNdsut4AdY0U32GAw3KM7CcaqVNO00A9tPNfN2FA0zeUmZtqAP3xyZ?= =?us-ascii?Q?wL2pNEUdN1x69BankZfHBzzFGpQyUxtmAtqVdd3Hmkc5IT8ezhT6BCJj0Ckc?= =?us-ascii?Q?mAgqEU4Zrh0qRsxCn9gxj68nHlq074piAL040GAwcxM3oamPWzwoat4pS8jj?= =?us-ascii?Q?MKJ46n+BYw=3D=3D?= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5064.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7b8ddd39-8097-4015-184c-08da48e2bc88 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jun 2022 00:06:28.8877 (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: Qmz9ZrpPcFS8DYwQzbu/dDk98RG4PILYAMqgXgYr/xDbfrPs3JkvNBQ9WT/EWqaRpRG49ERtsJHg/zblkZrnfQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR11MB4326 Return-Path: min.m.xu@intel.com X-OriginatorOrg: intel.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable On June 7, 2022 6:46 PM, Gerd Hoffmann wrote: > On Mon, Jun 06, 2022 at 10:59:55AM +0800, Min Xu wrote: > > From: Min M Xu > > > > RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3937 > > > > Lazy accept page can be controlled in build time like below: > > -D LAZY_ACCEPT_PARTIAL_MEM=3D512 > > > > The unit is MB. If it is 0 then it means Lazy-accept is turned off. > > > > Lazy-accept is turned off by default in OvmfPkgX64. > > Lazy-accept is turned on with 512MB by default in IntelTdxX64. >=20 > Care to explain? What is the point in not using lazy accept in OvmfPkgX6= 4? It's an Open to the community that if lazy accept should be enabled in Ovmf= PkgX64. I would like to hear the suggestions/comments from you guys. So as = the first step, it is disabled. > Also what exactly does this option mean? Is this the minimum amount of > memory accepted by the firmware? Yes, this option defines the minimum amount of memory accepted by the firmw= are. For example, if it is 512MB, then there will be such amount memory acc= epted by the firmware before jump to OS. Thanks=20 Min