From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mx.groups.io with SMTP id smtpd.web10.1942.1579058073994771641 for ; Tue, 14 Jan 2020 19:14:34 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 192.55.52.151, mailfrom: ray.ni@intel.com) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2020 19:14:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,321,1574150400"; d="scan'208";a="242713589" Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206]) by orsmga002.jf.intel.com with ESMTP; 14 Jan 2020 19:14:33 -0800 Received: from fmsmsx608.amr.corp.intel.com (10.18.126.88) by FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS) id 14.3.439.0; Tue, 14 Jan 2020 19:14:33 -0800 Received: from fmsmsx608.amr.corp.intel.com (10.18.126.88) by fmsmsx608.amr.corp.intel.com (10.18.126.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Tue, 14 Jan 2020 19:14:32 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by fmsmsx608.amr.corp.intel.com (10.18.126.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Tue, 14 Jan 2020 19:14:32 -0800 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.197]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.55]) with mapi id 14.03.0439.000; Wed, 15 Jan 2020 11:14:29 +0800 From: "Ni, Ray" To: Laszlo Ersek , "'devel@edk2.groups.io'" , "'ard.biesheuvel@linaro.org'" CC: 'Leif Lindholm' , "Gao, Zhichao" , "Ma, Maurice" , "Dong, Guo" , "You, Benjamin" Subject: Re: [edk2-devel] [RFC PATCH 2/2] MdeModulePkg/BdsDxe: allow consoles on drivers loaded via Driver#### Thread-Topic: [edk2-devel] [RFC PATCH 2/2] MdeModulePkg/BdsDxe: allow consoles on drivers loaded via Driver#### Thread-Index: AQHVrEzYcqRyqW2RAUSCx07E53qdIaexDcyA///swYCAA0WMgIAB+yxg//98woCAEZ5hAIAaorAAgAFWQ1CAANQF4P//opCAAPCHWNA= Date: Wed, 15 Jan 2020 03:14:29 +0000 Message-ID: <734D49CCEBEEF84792F5B80ED585239D5C3F51EF@SHSMSX104.ccr.corp.intel.com> References: <20191206143128.19371-1-ard.biesheuvel@linaro.org> <20191206143128.19371-3-ard.biesheuvel@linaro.org> <8d49cca6-b1b9-cddc-0590-4e4a84643e4f@redhat.com> <734D49CCEBEEF84792F5B80ED585239D5C39604F@SHSMSX104.ccr.corp.intel.com> <734D49CCEBEEF84792F5B80ED585239D5C399C9C@SHSMSX104.ccr.corp.intel.com> <734D49CCEBEEF84792F5B80ED585239D5C3E2179@SHSMSX104.ccr.corp.intel.com> <734D49CCEBEEF84792F5B80ED585239D5C3EFAF4@SHSMSX104.ccr.corp.intel.com> In-Reply-To: Accept-Language: en-US, zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Return-Path: ray.ni@intel.com Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 TGFzemxvLA0KSSB0ZW5kIHRvIG1ha2UgaXQgYSBwbGF0Zm9ybSBsb2NhbCBpbXBsZW1lbnRhdGlv biBmaXJzdC4NCllvdXIgcHJvcG9zYWxzIGltcGFjdCBhIGJyb2FkZXIgc2NvcGUgd2hpY2ggd2Ug Y291bGQNCmNvbnNpZGVyIGxhdGVyIGlmIGl0J3MgaGFyZCBmb3IgYSBwbGF0Zm9ybSB0byBoYW5k bGUgdGhlIGlzc3VlLg0KDQpUaGFua3MsDQpSYXkNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2Ut LS0tLQ0KPiBGcm9tOiBMYXN6bG8gRXJzZWsgPGxlcnNla0ByZWRoYXQuY29tPg0KPiBTZW50OiBT YXR1cmRheSwgSmFudWFyeSAxMSwgMjAyMCAxMjoyNCBBTQ0KPiBUbzogTmksIFJheSA8cmF5Lm5p QGludGVsLmNvbT47ICdkZXZlbEBlZGsyLmdyb3Vwcy5pbycNCj4gPGRldmVsQGVkazIuZ3JvdXBz LmlvPjsgJ2FyZC5iaWVzaGV1dmVsQGxpbmFyby5vcmcnDQo+IDxhcmQuYmllc2hldXZlbEBsaW5h cm8ub3JnPg0KPiBDYzogJ0xlaWYgTGluZGhvbG0nIDxsZWlmLmxpbmRob2xtQGxpbmFyby5vcmc+ OyBHYW8sIFpoaWNoYW8NCj4gPHpoaWNoYW8uZ2FvQGludGVsLmNvbT47IE1hLCBNYXVyaWNlIDxt YXVyaWNlLm1hQGludGVsLmNvbT47IERvbmcsDQo+IEd1byA8Z3VvLmRvbmdAaW50ZWwuY29tPjsg WW91LCBCZW5qYW1pbiA8YmVuamFtaW4ueW91QGludGVsLmNvbT4NCj4gU3ViamVjdDogUmU6IFtl ZGsyLWRldmVsXSBbUkZDIFBBVENIIDIvMl0gTWRlTW9kdWxlUGtnL0Jkc0R4ZTogYWxsb3cNCj4g Y29uc29sZXMgb24gZHJpdmVycyBsb2FkZWQgdmlhIERyaXZlciMjIyMNCj4gDQo+IE9uIDAxLzEw LzIwIDE1OjM3LCBOaSwgUmF5IHdyb3RlOg0KPiA+IEFyZCwNCj4gPiBJIHVuZGVyc3RhbmQgbm93 IHRoYXQ6IEJlZm9yZUNvbnNvbGUoKSBuZWVkcyB0byBjb25uZWN0IEdmeCB0byBnZXQgdGhlDQo+ IEdPUCBkZXZpY2UgcGF0aA0KPiA+IGZvciBDb25PdXQgdXBkYXRpbmcuIEJ1dCB0aGUgR09QIGRy aXZlciBpcyBzcGVjaWZpZWQgaW4gRHJpdmVyIyMjIyBhbmQgaXQNCj4gd2lsbCBiZSBsb2FkZWQg YWZ0ZXINCj4gPiBCZWZvcmVDb25zb2xlKCkgaW4gdG9kYXkncyBjb2RlLiBUaGlzIG9yZGVyIG1h a2VzIHRoZSBHZnggY29ubmVjdGlvbiBmYWlscw0KPiB0byBzdGFydCB0aGUgR09QIGRyaXZlcg0K PiA+IHJlc3VsdGluZyBDb25PdXQgbm90IHVwZGF0ZWQuDQo+ID4NCj4gPiBNb3ZpbmcgRHJpdmVy IyMjIyBwcm9jZXNzaW5nIGJlZm9yZSBCZWZvcmVDb25zb2xlKCkgaGVscHMgaW4geW91ciBjYXNl Lg0KPiBCdXQgaXQgbWF5IGltcGFjdA0KPiA+IG90aGVyIHBsYXRmb3JtczogVGhlcmUgbWlnaHQg YmUgcGxhdGZvcm1zIHRoYXQgdXBkYXRlIERyaXZlciMjIyMNCj4gdmFyaWFibGVzIGluIEJlZm9y ZUNvbnNvbGUoKQ0KPiA+IGFuZCBleHBlY3QgdGhlc2UgZHJpdmVycyBhcmUgcHJvY2Vzc2VkIGlu IHRoZSBzYW1lIGJvb3QgKG5vdCB0aGUgbmV4dA0KPiBib290KS4gSSBkb24ndCBoYXZlIHRoZSBy ZWFsDQo+ID4gZXhhbXBsZXMuIEJ1dCB0b2RheSdzIGZsb3cgYWxsb3dzIHRoaXMuIFdpdGggeW91 ciBjaGFuZ2UsIERyaXZlciMjIyMgd2lsbA0KPiBub3QgYmUgcHJvY2Vzc2VkIGluIHRoZSBmaXJz dA0KPiA+IGJvb3QuIFRoZSBjaGFuZ2UgaW1wYWN0cyB0aGVzZSBwbGF0Zm9ybXMuDQo+ID4NCj4g PiBPbmUgYmFja3dhcmQgY29tcGF0aWJsZSBhcHByb2FjaCBjYW4gYmU6IHByb2Nlc3NpbmcgRHJp dmVyIyMjIyBiZWZvcmUNCj4gQmVmb3JlQ29uc29sZSgpIGFuZCBwcm9jZXNzaW5nIHRoZSBuZXcg RHJpdmVyIyMjIyAoYWRkZWQgYnkNCj4gQmVmb3JlQ29uc29sZSgpKSBhZnRlciBCZWZvcmVDb25z b2xlKCkuDQo+ID4NCj4gPiBCdXQgYW5vdGhlciBwcm9ibGVtIGFyaXNlczogSWYgQmVmb3JlQ29u c29sZSgpIHJlbW92ZXMgYSBEcml2ZXIjIyMjLA0KPiBwbGF0Zm9ybSdzIGV4cGVjdGF0aW9uIGlz IHRoYXQgZGVsZXRlZCBEcml2ZXIjIyMjIGRvZXNuJ3QgcnVuLiBCdXQgdGhhdCBkcml2ZXINCj4g YWxyZWFkeSBydW5zLg0KPiA+DQo+ID4gU28gYWN0dWFsbHkgdGhlIHF1ZXN0aW9uIGlzOiB3aGVu IEJEUyBjb3JlIGNhbiBjb25zdW1lIHRoZSBEcml2ZXIjIyMjDQo+IGFuZCBwcm9jZXNzIHRoZW0/ DQo+ID4gUmlnaHQgbm93LCBpdOKAmXMgdGhlIHRpbWUgYWZ0ZXIgQmVmb3JlQ29uc29sZSgpLiBK dXN0IGFzIHJpZ2h0IG5vdw0KPiBCZWZvcmVDb25zb2xlKCkgdXBkYXRlcyBDb25PdXQNCj4gPiBp biB5b3VyIGNhc2UsIEJlZm9yZUNvbnNvbGUoKSBpcyB0aGUgcGxhY2Ugd2hlcmUgcGxhdGZvcm0g dXBkYXRlcyBhbGwgVUVGSQ0KPiBkZWZpbmVkIGJvb3QgcmVsYXRlZA0KPiA+IHZhcmlhYmxlcy4g UHJvY2Vzc2luZyBEcml2ZXIjIyMjIGJlZm9yZSBCZWZvcmVDb25zb2xlKCkgcmVxdWlyZXMgcGxh dGZvcm0NCj4gdXBkYXRlcyBEcml2ZXIjIyMjDQo+ID4gaW4gb3RoZXIgcGxhY2VzLiBJdCdzIGEg bmV3IHJlcXVpcmVtZW50IHRvIHRoZSBwbGF0Zm9ybS4NCj4gPg0KPiA+IFdpdGggYWxsIHdoYXQg SSBleHBsYWluZWQgaW4gYWJvdmUsIEkgY2Fubm90IGFncmVlIHdpdGggdGhlIGNoYW5nZXMuDQo+ ID4NCj4gPiBBbm90aGVyIGFwcHJvYWNoIGlzOg0KPiA+IFBsYXRmb3JtIGNvdWxkIGNvbm5lY3Qg dGhlIEdGWCBpbiBBZnRlckNvbnNvbGUoKSBhbmQgdXBkYXRlIHRoZSBDb25PdXQuDQo+IFRoZW4g cGxhdGZvcm0gY291bGQgbWFudWFsbHkgY2FsbCBFZmlCb290TWFuYWdlckNvbm5lY3RDb25zb2xl VmFyaWFibGUNCj4gKENvbk91dCkgdG8gcmUtY29ubmVjdCBDb25PdXQuDQo+ID4gSXQncyBhIGJp dCB1Z2x5IEkgYWdyZWUuDQo+IA0KPiBMZXQgbWUgcmFpc2UgdGhyZWUgb3RoZXIgaWRlYXMgKGFs dGVybmF0aXZlcyB0byBlYWNoIG90aGVyLCBhbmQgdG8gdGhlIGFib3ZlKSwNCj4gd2l0aCB2YXJ5 aW5nIGxldmVscyBvZiBhbm5veWFuY2UuIDopDQo+IA0KPiANCj4gKDEpIEtlZXAgdGhlIGZvbGxv d2luZyBsb2dpYyAoaS5lLiB0aGUgc3ViamVjdCBvZiB0aGlzIHBhdGNoKToNCj4gDQo+ICAgLy8N Cj4gICAvLyBFeGVjdXRlIERyaXZlciBPcHRpb25zDQo+ICAgLy8NCj4gICBMb2FkT3B0aW9ucyA9 IEVmaUJvb3RNYW5hZ2VyR2V0TG9hZE9wdGlvbnMgKCZMb2FkT3B0aW9uQ291bnQsDQo+IExvYWRP cHRpb25UeXBlRHJpdmVyKTsNCj4gICBQcm9jZXNzTG9hZE9wdGlvbnMgKExvYWRPcHRpb25zLCBM b2FkT3B0aW9uQ291bnQpOw0KPiAgIEVmaUJvb3RNYW5hZ2VyRnJlZUxvYWRPcHRpb25zIChMb2Fk T3B0aW9ucywgTG9hZE9wdGlvbkNvdW50KTsNCj4gDQo+IGluICpib3RoKiBwbGFjZXMsIGJ1dCBn YXRlIGVhY2ggb25lIHdpdGggYSBiaXQgaW4gYSBuZXcgYml0bWFzayBQQ0QuDQo+IA0KPiAoTm90 ZTogaXQncyBwcm9iYWJseSBub3QgdGhlIGJlc3QgZm9yIGFueSBwbGF0Zm9ybSB0byBwZXJtaXQg Ym90aCBicmFuY2hlcywgYXMNCj4gZHJpdmVyIGltYWdlcyB3b3VsZCBiZSBsb2FkZWQgdHdpY2Uu KQ0KPiANCj4gDQo+ICgyKSBFREtJSV9QTEFURk9STV9CT09UX01BTkFHRVJfUFJPVE9DT0wgaGFz IHJlY2VudGx5IGJlZW4NCj4gYWRkZWQgdG8gZWRrMi4gSXQgbG9va3MgbGlrZSBhIHdlbGwtZGVz aWduZWQgKGV4dGVuc2libGUpIHByb3RvY29sLCBmb3IgdHdvDQo+IHJlYXNvbnM6DQo+IA0KPiAt IHRoZSBwcm90b2NvbCBzdHJ1Y3R1cmUgaGFzIGEgUmV2aXNpb24gZmllbGQsDQo+IA0KPiAtIHRo ZSBvbmx5IGN1cnJlbnQgbWVtYmVyIGZ1bmN0aW9uLCBSZWZyZXNoQWxsQm9vdE9wdGlvbnMoKSwg aXMgcGVybWl0dGVkIHRvDQo+IHJldHVybiBFRklfVU5TVVBQT1JURUQgLS0gYW5kIHRoZSBzaW5n bGUgY2FsbCBzaXRlLCBpbiB0aGUNCj4gRWZpQm9vdE1hbmFnZXJSZWZyZXNoQWxsQm9vdE9wdGlv bigpIGZ1bmN0aW9uLCBoYW5kbGVzIHRoYXQgcmV0dXJuIHZhbHVlDQo+IHdlbGwgKGl0IGRvZXMg bm90aGluZykuDQo+IA0KPiBUaGUgaWRlYSB3b3VsZCBiZSB0byBidW1wIHRoZSBSZXZpc2lvbiBm aWVsZCwgYW5kIGFkZCBhIG5ldyBtZW1iZXINCj4gZnVuY3Rpb24uIFRoZW4gY2FsbCB0aGlzIG1l bWJlciBmdW5jdGlvbiAoaWYgaXQgZXhpc3RzKSBpbiB0aGUgc3BvdCB3aGVyZSB0aGUNCj4gY3Vy cmVudCBwYXRjaCBwcm9wb3NlcyB0byBtb3ZlIHRoZSBEcml2ZXIjIyMjIGRpc3BhdGNoIGxvZ2lj IHRvLg0KPiANCj4gVGhpcyBpcyBhbG1vc3QgbGlrZSBhIG5ldyBQbGF0Zm9ybUJvb3RNYW5hZ2Vy TGliIGludGVyZmFjZSwgZXhjZXB0IGl0IGRvZXMNCj4gbm90IHJlcXVpcmUgZXhpc3RlbnQgbGli IGluc3RhbmNlcyB0byBiZSB1cGRhdGVkLg0KPiANCj4gQW5kLCBvbiB0aGUgRURLSUlfUExBVEZP Uk1fQk9PVF9NQU5BR0VSX1BST1RPQ09MDQo+IGltcGxlbWVudGF0aW9uIHNpZGUsIFJlZnJlc2hB bGxCb290T3B0aW9ucygpIHdvdWxkIHJldHVybg0KPiBFRklfVU5TVVBQT1JURUQuIChCZWNhdXNl IHRoYXQgaXMgaXJyZWxldmFudCB0byBBcmQncyB1c2UgY2FzZS4pDQo+IA0KPiBQZXJoYXBzIGFk ZCB5ZXQgYW5vdGhlciBtZW1iZXIgZnVuY3Rpb24gdGhhdCBjYW4gZGlzYWJsZSB0aGUgRHJpdmVy IyMjIw0KPiBvcHRpb24gcHJvY2Vzc2luZyBpbiB0aGUgY3VycmVudCBsb2NhdGlvbi4NCj4gDQo+ IA0KPiAoMykgRXh0ZW5kIHRoZSBVRUZJIHNwZWNpZmljYXRpb24sIHNlY3Rpb24gIjMuMS4zIExv YWQgT3B0aW9ucyIuDQo+IA0KPiBUaGUgTE9BRF9PUFRJT05fQ0FURUdPUlkgYml0LWZpZWxkIGlz IGFsbW9zdCB3aGF0IHdlIHdhbnQsIGV4Y2VwdCBpdCdzDQo+IHNwZWNpZmllZCB0byBiZSBpZ25v cmVkIGZvciBEcml2ZXIjIyMjIG9wdGlvbnMuIFNvLA0KPiANCj4gLSBlaXRoZXIgaW52ZW50IHRo ZSBzdGFuZGFyZGVzZSB0byBsZXQgdXMgdXNlIExPQURfT1BUSU9OX0NBVEVHT1JZIGZvcg0KPiBE cml2ZXIjIyMjIG9wdGlvbnMgdG9vLCB3aXRob3V0IGJyZWFraW5nIGV4aXN0aW5nIHBsYXRmb3Jt cywgKm9yKg0KPiAtIGludHJvZHVjZSBhIG5ldyAobm90IHRvbyB3aWRlKSBkaXN0aW5jdCBiaXRm aWVsZCBjYWxsZWQNCj4gTE9BRF9PUFRJT05fRFJJVkVSX0NBVEVHT1JZLg0KPiANCj4gV2hpY2hl dmVyIGNhdGVnb3J5IGJpdGZpZWxkIHByb3ZlcyBhY2NlcHRhYmxlLCBpbnRyb2R1Y2UgYSBuZXcg ImRyaXZlcg0KPiBjYXRlZ29yeSBiaXQiIGluIHRoYXQgYml0ZmllbGQsIGNhbGxlZA0KPiBMT0FE X09QVElPTl9EUklWRVJfQ0FURUdPUllfQ09OU09MRS4NCj4gDQo+IFNwZWNpZnkgdGhhdCwgaWYg YW55IERyaXZlciMjIyMgb3B0aW9uIGhhcyB0aGUNCj4gTE9BRF9PUFRJT05fRFJJVkVSX0NBVEVH T1JZX0NPTlNPTEUgYXR0cmlidXRlIHNldCwgdGhlbg0KPiBEcml2ZXIjIyMjIG9wdGlvbnMgd2ls bCBiZSBwcm9jZXNzZWQgaW4gdHdvIHBhc3Nlcy4gSW4gYm90aCBwYXNzZXMsDQo+IERyaXZlck9y ZGVyIGlzIHRvIGJlIGhvbm9yZWQsIGJ1dCB0aGUgZmlyc3QgcGFzcyB3aWxsIG9ubHkgY29uc2lk ZXIgb3B0aW9ucw0KPiB3aXRoIHRoZSBhdHRyaWJ1dGUgc2V0LCBhbmQgdGhlIHNlY29uZCBwYXNz IHdpbGwgb25seSBjb25zaWRlciBvcHRpb25zIHdpdGgNCj4gdGhlIGF0dHJpYnV0ZSBjbGVhci4N Cj4gDQo+IEltcGxlbWVudCB0aGlzIGluIEJkc0VudHJ5IC8gVWVmaUJvb3RNYW5hZ2VyTGliLg0K PiANCj4gLi4uIE1heWJlIGRvbid0IGV2ZW4gaW50cm9kdWNlIExPQURfT1BUSU9OX0RSSVZFUl9D QVRFR09SWSo7IGp1c3QgYQ0KPiBiaXRmaWVsZCB0aGF0IGlzIGV4cHJlc3NseSB2ZW5kb3Igc3Bl Y2lmaWM/DQo+IA0KPiBUaGFua3MNCj4gTGFzemxvDQoNCg==