From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mx.groups.io with SMTP id smtpd.web10.50619.1674665819233095234 for ; Wed, 25 Jan 2023 08:56:59 -0800 Authentication-Results: mx.groups.io; dkim=fail reason="unable to parse pub key" header.i=@intel.com header.s=intel header.b=XkRFrcgu; spf=pass (domain: intel.com, ip: 192.55.52.88, mailfrom: jiewen.yao@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674665819; x=1706201819; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=WpOo/lKMkiBUyz3MujBO0XTwz1prE5uWrm7LDT3Fe04=; b=XkRFrcguq2BJnFnboyQgaS6P/WX2drpohJPbw/YplZsUrLAZV+kEBzKW DCc7yMlKU9FkR8flOtuhXGORUfT630yGGz7vaLWpNkkHt7Vyl3yreBlgj cqbksqKaBpSwIlqaXqVoWaYCkzVkCvIYPH+1V+49OK3jnpbzYcNS9Y9w3 E3/UXchOKa1MbWDpwTPt3Fi2CVNusDvov2ytMxsRYXQ7L19oZPXWQ6Any C6neCBOVVimCROLjVtjsgyhXneGYG5SAS68gSuXS4qpdDfIhlUTHk/Htp 9103MX2a3pYbsdeyra3Nylao4FHMYgcC2ggzTcR2/6oZvtwtiQOwpYKaE A==; X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="353895085" X-IronPort-AV: E=Sophos;i="5.97,245,1669104000"; d="scan'208,217";a="353895085" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2023 08:56:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="731115306" X-IronPort-AV: E=Sophos;i="5.97,245,1669104000"; d="scan'208,217";a="731115306" Received: from fmsmsx602.amr.corp.intel.com ([10.18.126.82]) by fmsmga004.fm.intel.com with ESMTP; 25 Jan 2023 08:56:58 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx602.amr.corp.intel.com (10.18.126.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Wed, 25 Jan 2023 08:56:57 -0800 Received: from fmsedg602.ED.cps.intel.com (10.1.192.136) by fmsmsx610.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16 via Frontend Transport; Wed, 25 Jan 2023 08:56:57 -0800 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (104.47.58.104) by edgegateway.intel.com (192.55.55.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.16; Wed, 25 Jan 2023 08:56:56 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=cSGAIz9LoCx8HViBiWsEfYD95OmbrtT6cocyjUqqm/yw4L+aRJOmLji2ij8uohKUiatHyssf7Bq7O9tyXOv8Pt/PEVmDDnQSvmV3h7duOCTtO5+prwaxC6mQGv0GwgHbyA5v7JEpMmZ1z8Kkz4mC9rPnPuHyzUKKjFMl2+LsHlyz2JLoFbOrCwLM5kbvQ5XWe1udRQRs7a6WTHL3SLkRMx4vUBjp8zy5qcU84scJku9aY0FEVrLy3IL4g4BVyySZ+im79emlVKDMIAR3MaZBhnggcMu3xZSYH23SwZf4Ne2e8tTD8TcMDRm2YPKZouh5Xq+VNTUxuqC6Nbt+KISmOg== 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=WpOo/lKMkiBUyz3MujBO0XTwz1prE5uWrm7LDT3Fe04=; b=bXXgTMrU091etVlzV6Km+LJIYolMxEYaL+qhHmYGNwybx0JTHGnm/tyZ9Luq4uOOgDNd1lZ8b8n1PVt59HRWM2MGhgN6TKi8DIKZsMTTHgjXdtRXCtR1/vgELy8PTahkrreV/VbUcfepa175xi7QjjLpNf+QbNVMWKYpSnmrVZqhtpW5m3olVUkrlW+KEvDOq6SbwypAx1n1SkNk63rj+zux9mYmm+ADTVxkW/E9oSfiwN2xz8sa+Y/jjVOwkbGeZq4CvhRlII1900hFXGPoyhgrxKkf0UFlP//KMoC6ONFpjFDwY9Axd0MOlPbyRzx27kkfgZPSCXmjRO9fmHKaYw== 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 MW4PR11MB5872.namprd11.prod.outlook.com (2603:10b6:303:169::14) by MW3PR11MB4746.namprd11.prod.outlook.com (2603:10b6:303:5f::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.21; Wed, 25 Jan 2023 16:56:53 +0000 Received: from MW4PR11MB5872.namprd11.prod.outlook.com ([fe80::5f56:1bdc:2eae:c041]) by MW4PR11MB5872.namprd11.prod.outlook.com ([fe80::5f56:1bdc:2eae:c041%9]) with mapi id 15.20.6002.033; Wed, 25 Jan 2023 16:56:52 +0000 From: "Yao, Jiewen" To: Ard Biesheuvel , Gerd Hoffmann CC: "devel@edk2.groups.io" , "thomas.lendacky@amd.com" , "Hansen, Dave" , "dionnaglaze@google.com" , "dave.hansen@linux.intel.com" , "Shutemov, Kirill" Subject: Re: [edk2-devel] [PATCH v9 0/4] Add safe unaccepted memory behavior Thread-Topic: [edk2-devel] [PATCH v9 0/4] Add safe unaccepted memory behavior Thread-Index: AQHZJuQPN86jGv9UBEmQR3NHUb19x66bsq8wgAA9/QCAAAJSIIAAIwGAgAAaxECAAASegIAABYNAgABHsICAABJEAIAADkaAgAAHawCAAAL1gIAELyWAgA1fw4CAAK0ggIAABIoAgAAo2ICAAAc2gIAALXQAgAAhwwk= Date: Wed, 25 Jan 2023 16:56:52 +0000 Message-ID: References: <16581.1673625639418051810@groups.io> <0918b9db-c949-75ce-a24e-f12f03865938@intel.com> <20230116102801.y3l6xn3gdgregn4k@sirius.home.kraxel.org> <20230125091802.yya2a3cqlcmxzv2x@sirius.home.kraxel.org> <20230125121001.jnmlfkqheeqzygcw@sirius.home.kraxel.org> In-Reply-To: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: 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: MW4PR11MB5872:EE_|MW3PR11MB4746:EE_ x-ms-office365-filtering-correlation-id: 3b5804f0-a7cb-4889-7bf6-08dafef52890 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:MW4PR11MB5872.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(39860400002)(396003)(136003)(376002)(346002)(366004)(451199018)(186003)(8676002)(71200400001)(33656002)(122000001)(38100700002)(82960400001)(38070700005)(86362001)(54906003)(26005)(9686003)(55016003)(5660300002)(478600001)(110136005)(7696005)(316002)(52536014)(6506007)(41300700001)(66476007)(66556008)(66946007)(4326008)(8936002)(64756008)(2906002)(66446008)(91956017)(76116006);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?gb2312?B?bUI3Q2ZnWDY5c2NyRFduZTYvanNxVC81WCtDRTQvVWFSdDlKZ29kNmRQaWRF?= =?gb2312?B?ZEM0MHFnREI2UEpKV0F4RVl2V0NveXFVZ3c4ZXpBcWVqNW9PNGE2UGg0ZFVI?= =?gb2312?B?b0x4elRINm5hRWd0V2F1WGFTeGRYZVllK3lTYzB0cXMrVGhPVllRYTNnVm12?= =?gb2312?B?SkFlUVdjNEdia2hkMXZrczVuYnZLa0JibXpwblhzQmIxSlRhTUJvaDNYOHZP?= =?gb2312?B?dDc3WThlMS9NcHJGOXZFaDQwalA0ZG9lSnJXSjhwNkhjcUxhMGxnTCtwRGlH?= =?gb2312?B?Y251MnpUOXNJTmRiNXAxWUVpUkE2SFVmaUxRSFJwdENKZ3JWN2NSS3lPVDd1?= =?gb2312?B?RWNiRXhPcC8yd280STJSeEFGL3E2OGdPNTAvbjc3dGdyTVV5U2wyVk5rcUpm?= =?gb2312?B?VTBEYXd6cmZndlNYOUUyZUd2WVRPTGpOTE1md1JhaUFPL0dWcnZVR0FNei95?= =?gb2312?B?TTBwZm5nMlJ3ODZFSmhWVG9TbVdWQlplUnMzMld3MmFXZVcxMFkySC9VdCtJ?= =?gb2312?B?U0lUdHU0a2NmTStYOTI2U2tGcy8za1ZTYWxGWlN4dGpzSUMwTVhhVGtxajNH?= =?gb2312?B?VGgydndrU0JNUzRQcmpzQ0pFb0JNVkd3blNNamdvY3NUNVQzRkxxQlVVaFdr?= =?gb2312?B?d09WR29IQVJiVlNvbFNZNWQ5QzRJQnViWUFGK1haQU9yT0pzSzFneG5WTjVF?= =?gb2312?B?a3BHOW9Pa2taRWRpdndOT0NWVHp5Y1p2SmNvOFFsWjFiTVBzeWYvblQ4Tis0?= =?gb2312?B?YlBpc1cycS8xYzZlMGxFRmgyVEFBVGJEakdNblUwUVU4MnVDQWlINXR5NmlN?= =?gb2312?B?d3JEQ3loK0xscm45WUo5cWhwaGpJb1R2UUdzaVczY3pvdy9sakFPNDQ2bzNM?= =?gb2312?B?SnFiSVhzSHZYL0xnSFFwOEtoNTgyMFptVUpjS01QMlYyS1ROWHlhWGpnSTVw?= =?gb2312?B?aWQ5QlQxVHh3YmVWa2pWTy85YmFMcFVJSGNrU3V3aThTcENJODNEaGZ0bGhQ?= =?gb2312?B?L3NpaUdIY3FkSXRXWGx1TDlIWXROMHNTMmhJMDBpLzVxWEsyN3lBaTQrNUlQ?= =?gb2312?B?djIvTmhCUTgwZ1p2UVVYekdqSWhIakwrUEZuK1NPeGJHazFOUytFZVFydW5z?= =?gb2312?B?VHBhS21vdlltZkFJOEFJZlR0TU5jdFUzWnpxL2N2WGNKNTZES1pjNkZLYjlX?= =?gb2312?B?ZEYxY1hzSEYwMk4wYnJmSGx4ZkY2YjNnUTd2b0trNnY0cjFieW9UUElQaUYr?= =?gb2312?B?aHdzdy9NRTBrNmNTSmY5WlBaN1cvU3hhbEtlK3NoWEdSVVl3clRIVFhja2lN?= =?gb2312?B?MmtpRzBLQnFjK2tiN3l4eHJKcTFmRHZZTEI5MlVMbFdsOU9qSWlJZVdrTDRt?= =?gb2312?B?ZWpieUxwcEtlK0pkWHh5K0RpK2lGVkJDWEQ4WkNBZHJUejNXSCtMMTJrTzMz?= =?gb2312?B?Y0syNnpQZVpKNGVzNWFOZmhFRlVtN2E4cGdPVWowSDB1UXVGT1BERlI3RmEv?= =?gb2312?B?TXVsamJQWTdudUkyZ2xJVEo1YzdOdmswRnNvbkpBbXY4Y2NBNXBrM3pVUzRq?= =?gb2312?B?TzQ4ZjFHRXVnS0dwY3ozUC9rS0ZNaXRZUlJsaHMxSVltc2FlaXBlZVhOTjhq?= =?gb2312?B?UEh3Zi8rbVQ4YmJEMVllVmVZTlR5V1N4Vk56WDBUSFNZTTRCS2hTR00rNlpY?= =?gb2312?B?MW5ZdVo5RzRqckJlREhHYWhyYlozQWNUT2lnV3BYN2xaR1gyQ1FqUU1aR3Vo?= =?gb2312?B?aVpOZmFVUEd1M2lIdmlCeUMxcm5tUEswY0hhVEVWQ1h6cFpidXJVOW95OU9w?= =?gb2312?B?cCtQYnBjTWZBbEI5MVdZMWovMTBYcUlickdKR1lvYVdFQStqWWJIWVBvUW5p?= =?gb2312?B?YVI2dnpnb3ZHWmVwWDE3ZHVva1RDKzZOS2dTYTBvaDFmcndudm9ueUw0SStJ?= =?gb2312?B?eDVJcnNoamd6bmZtelJRYkJ1Q1JPTHF4dnk0RjZvSVhaaGE4bjZkQ2RnVytJ?= =?gb2312?B?Y290YzVEVWZXbUwreWZiNkQyTnl3eGJLL0VpeTVPK2tnVzlQRDcxNTdrMGhC?= =?gb2312?B?NjNicDErYnZKZlQxdEdZaHEwT2ZYNWNTRUYxNVlrMEpqcnJSUEJBMXBtbnJW?= =?gb2312?B?NVpGbXBoSzBoZGNrM0R0dFJpcDJJRW5Cd3FYLzlzaHpPMHUrNHBUNFNaVnBE?= =?gb2312?B?T0E9PQ==?= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW4PR11MB5872.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3b5804f0-a7cb-4889-7bf6-08dafef52890 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jan 2023 16:56:52.6739 (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: pnPlNqo6QoYXYnwSXAHyqdB5ko2YpGqPNkVYgXPtzPcEJ4cOd1D9MIUEUoFzUXgzJXOKp2UalNG4N7o+4dnZuw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR11MB4746 Return-Path: jiewen.yao@intel.com X-OriginatorOrg: intel.com Content-Language: zh-CN Content-Type: multipart/alternative; boundary="_000_MW4PR11MB58727C87D0311B401CF279A18CCE9MW4PR11MB5872namp_" --_000_MW4PR11MB58727C87D0311B401CF279A18CCE9MW4PR11MB5872namp_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 aGVsbG8NCklmIHRoaXMgcHJvdG9jb2wgaXMgU0VWIHNwZWNpZmljLCBwbGVhc2UgYWxzbyBhZGQg cHJlZml4IFNFVl8gb3IgQU1EXyBmb3IgdGhlIHByb3RvY29sIG5hbWUuDQoNCg0KX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18NCreivP7IyzogQXJkIEJpZXNoZXV2ZWwgPGFyZGJAa2Vy bmVsLm9yZz4NCreiy83KsbzkOiBXZWRuZXNkYXksIEphbnVhcnkgMjUsIDIwMjMgMTA6NTI6NDIg UE0NCsrVvP7IyzogR2VyZCBIb2ZmbWFubiA8a3JheGVsQHJlZGhhdC5jb20+DQqzrcvNOiBkZXZl bEBlZGsyLmdyb3Vwcy5pbyA8ZGV2ZWxAZWRrMi5ncm91cHMuaW8+OyB0aG9tYXMubGVuZGFja3lA YW1kLmNvbSA8dGhvbWFzLmxlbmRhY2t5QGFtZC5jb20+OyBIYW5zZW4sIERhdmUgPGRhdmUuaGFu c2VuQGludGVsLmNvbT47IGRpb25uYWdsYXplQGdvb2dsZS5jb20gPGRpb25uYWdsYXplQGdvb2ds ZS5jb20+OyBkYXZlLmhhbnNlbkBsaW51eC5pbnRlbC5jb20gPGRhdmUuaGFuc2VuQGxpbnV4Lmlu dGVsLmNvbT47IFlhbywgSmlld2VuIDxqaWV3ZW4ueWFvQGludGVsLmNvbT47IFNodXRlbW92LCBL aXJpbGwgPGtpcmlsbC5zaHV0ZW1vdkBpbnRlbC5jb20+DQrW98ziOiBSZTogW2VkazItZGV2ZWxd IFtQQVRDSCB2OSAwLzRdIEFkZCBzYWZlIHVuYWNjZXB0ZWQgbWVtb3J5IGJlaGF2aW9yDQoNCk9u IFdlZCwgMjUgSmFuIDIwMjMgYXQgMTM6MTAsIEdlcmQgSG9mZm1hbm4gPGtyYXhlbEByZWRoYXQu Y29tPiB3cm90ZToNCj4NCj4gT24gV2VkLCBKYW4gMjUsIDIwMjMgYXQgMTI6NDQ6MTNQTSArMDEw MCwgQXJkIEJpZXNoZXV2ZWwgd3JvdGU6DQo+ID4gT24gV2VkLCAyNSBKYW4gMjAyMyBhdCAxMDox OCwgR2VyZCBIb2ZmbWFubiA8a3JheGVsQHJlZGhhdC5jb20+IHdyb3RlOg0KPiA+ID4NCj4gPiA+ IE9uIFdlZCwgSmFuIDI1LCAyMDIzIGF0IDEwOjAxOjQ3QU0gKzAxMDAsIEFyZCBCaWVzaGV1dmVs IHdyb3RlOg0KPiA+ID4NCj4gPiA+ID4gRXhhY3RseS4gQW5kIG15IEZlZG9yYSBrZXJuZWwgaGFz IHRob3NlIGJpdHMgZW5hYmxlZCBieSBkZWZhdWx0Lg0KPiA+ID4gPg0KPiA+ID4gPiBTbyBJIHN1 cHBvc2UgdGhlIHdheSBmb3J3YXJkIGhlcmUgaXMgdG8gZXhwb3NlIHRoaXMgcHJvdG9jb2wgb25s eSBvbg0KPiA+ID4gPiBPVk1GIGJ1aWxkcyB0aGF0IHRhcmdldCBTRVYtU05QLCBpbnN0ZWFkIG9m IGludHJvZHVjaW5nIGl0IGFzIGENCj4gPiA+ID4gZ2VuZXJpYyBDb0NvIGZlYXR1cmUuDQo+ID4g Pg0KPiA+ID4gT1ZNRiBidWlsZHMgYWxyZWFkeSBhZGFwdCBhdCBydW50aW1lLCBzbyB0aGlzIG5l ZWRzIHRvIGJlIGEgcnVudGltZQ0KPiA+ID4gY2hlY2sgdG9vLiAgQnV0IElJUkMgdGhlIG1vZHVs ZSBhbHJlYWR5IGNoZWNrcyB3aGVuZXZlciBTTlAtU0VWIG9yIFREWA0KPiA+ID4gaXMgYWN0aXZl IGJlZm9yZSBpbnN0YWxsaW5nLCBzbyB3ZSBvbmx5IG5lZWQgdG8gdHdlYWsgdGhhdCBjaGVjayB0 byBkcm9wDQo+ID4gPiB0aGUgVERYIGNoZWNrLg0KPiA+ID4NCj4gPg0KPiA+IFN1cmUuIEJ1dCBE aW9ubmEncyBzZXJpZXMgaW50cm9kdWNlcyBhIG5ldyBDb2NvRHhlIGRyaXZlciB0aGF0IGlzDQo+ ID4gaW50ZW5kZWQgdG8gY2Fycnkgc2hhcmVkIGxvZ2ljLCBidXQgd2Ugc2hvdWxkIHByb2JhYmx5 IGFkZCB0aGlzIHN0dWZmDQo+ID4gdG8gQW1kU2V2RHhlIGluc3RlYWQuDQo+DQo+IE92bWZQa2dY NjQuZHNjIGNhbiBydW4gaW4gU0VWL1REWCBtb2RlcyB0b28sIHNvIGl0IGlzIG5lZWRlZCB0aGVy ZSBhcw0KPiB3ZWxsLiAgV2UgY2FuIHByb2JhYmx5IGxlYXZlIGl0IG91dCBmcm9tIEludGVsVGR4 IChhc3N1bWluZyBJbnRlbCdzDQo+IHVwc3RyZWFtIG1lcmdlIHBsYW5zIHdvcmsgb3V0IGFzIGV4 cGVjdGVkIGFuZCB0ZHgtZ3Vlc3QgKyB1bmFjY2VwdGVkDQo+IG1lbW9yeSBhY3R1YWxseSBsYW5k IGluIHRoZSBzYW1lIGtlcm5lbCByZWxlYXNlKS4NCj4NCg0KT3ZtZlBrZ1g2NC5kc2MgYWxyZWFk eSBpbmNvcnBvcmF0ZXMgQW1kU2V2RHhlLCBhcyBkbyBhIGZldyBvdGhlcg0KcGxhdGZvcm1zLCBz byBhZGRpbmcgaXQgdGhlcmUgaXMgc3RpbGwgZmluZSBhZmFpY3QuDQo= --_000_MW4PR11MB58727C87D0311B401CF279A18CCE9MW4PR11MB5872namp_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
hello
If this protocol is SEV specific, please also add prefix S= EV_ or AMD_ for the protocol name. 


=B7=A2=BC=FE=C8=CB: Ard Bie= sheuvel <ardb@kernel.org>
=B7=A2=CB=CD=CA=B1=BC=E4: Wednesday, January 25, 2023 10:52:42 PM =CA=D5=BC=FE=C8=CB: Gerd Hoffmann <kraxel@redhat.com>
=B3=AD=CB=CD: devel@edk2.groups.io <devel@edk2.groups.io>; tho= mas.lendacky@amd.com <thomas.lendacky@amd.com>; Hansen, Dave <dave= .hansen@intel.com>; dionnaglaze@google.com <dionnaglaze@google.com>= ;; dave.hansen@linux.intel.com <dave.hansen@linux.intel.com>; Yao, Jiewen <jiewen.yao@intel.com>; Shutemov, Kirill <kirill.shutemov@= intel.com>
=D6=F7=CC=E2: Re: [edk2-devel] [PATCH v9 0/4] Add safe unaccepted me= mory behavior
 
On Wed, 25 Jan 2023 at 13:10, Gerd Hoffmann <kr= axel@redhat.com> wrote:
>
> On Wed, Jan 25, 2023 at 12:44:13PM +0100, Ard Biesheuvel wrote:
> > On Wed, 25 Jan 2023 at 10:18, Gerd Hoffmann <kraxel@redhat.com= > wrote:
> > >
> > > On Wed, Jan 25, 2023 at 10:01:47AM +0100, Ard Biesheuvel wro= te:
> > >
> > > > Exactly. And my Fedora kernel has those bits enabled by= default.
> > > >
> > > > So I suppose the way forward here is to expose this pro= tocol only on
> > > > OVMF builds that target SEV-SNP, instead of introducing= it as a
> > > > generic CoCo feature.
> > >
> > > OVMF builds already adapt at runtime, so this needs to be a = runtime
> > > check too.  But IIRC the module already checks whenever= SNP-SEV or TDX
> > > is active before installing, so we only need to tweak that c= heck to drop
> > > the TDX check.
> > >
> >
> > Sure. But Dionna's series introduces a new CocoDxe driver that is=
> > intended to carry shared logic, but we should probably add this s= tuff
> > to AmdSevDxe instead.
>
> OvmfPkgX64.dsc can run in SEV/TDX modes too, so it is needed there as<= br> > well.  We can probably leave it out from IntelTdx (assuming Intel= 's
> upstream merge plans work out as expected and tdx-guest + unaccepted > memory actually land in the same kernel release).
>

OvmfPkgX64.dsc already incorporates AmdSevDxe, as do a few other
platforms, so adding it there is still fine afaict.
--_000_MW4PR11MB58727C87D0311B401CF279A18CCE9MW4PR11MB5872namp_--