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Mon, 21 Mar 2022 18:36:02 -0700 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 21 Mar 2022 18:36:00 -0700 Received: from shsmsx601.ccr.corp.intel.com ([10.109.6.141]) by SHSMSX601.ccr.corp.intel.com ([10.109.6.141]) with mapi id 15.01.2308.021; Tue, 22 Mar 2022 09:35:58 +0800 From: "Zhang, Cathy" To: Jethro Beekman , "Hansen, Dave" , "linux-sgx@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: "Raj, Ashok" Subject: RE: [RFC PATCH v2 09/10] x86/cpu: Call ENCLS[EUPDATESVN] procedure in microcode update Thread-Topic: [RFC PATCH v2 09/10] x86/cpu: Call ENCLS[EUPDATESVN] procedure in microcode update Thread-Index: AQHYOAhnN0apP04FNkeGc4yeqoa7EazBPxwAgAAKxgCAAFoygIACtKKAgAZQFgA= Date: Tue, 22 Mar 2022 01:35:58 +0000 Message-ID: References: <20220315010300.10199-1-cathy.zhang@intel.com> <20220315010300.10199-10-cathy.zhang@intel.com> <53e7d3a3-a576-7ef1-fa2d-d170fa1172a1@fortanix.com> <4198920d-298c-6565-5d97-9d0a8fcc8441@fortanix.com> In-Reply-To: <4198920d-298c-6565-5d97-9d0a8fcc8441@fortanix.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-version: 11.6.401.20 dlp-reaction: no-action dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgSmV0aHJvLA0KDQpUaGFua3MgZm9yIGhlbHBpbmcgcmV2aWV3IQ0KDQo+IC0tLS0tT3JpZ2lu YWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IEpldGhybyBCZWVrbWFuIDxqZXRocm9AZm9ydGFuaXgu Y29tPg0KPiBTZW50OiBGcmlkYXksIE1hcmNoIDE4LCAyMDIyIDU6MDYgUE0NCj4gVG86IEhhbnNl biwgRGF2ZSA8ZGF2ZS5oYW5zZW5AaW50ZWwuY29tPjsgWmhhbmcsIENhdGh5DQo+IDxjYXRoeS56 aGFuZ0BpbnRlbC5jb20+OyBsaW51eC1zZ3hAdmdlci5rZXJuZWwub3JnOyBsaW51eC1IaQ0KPiBr ZXJuZWxAdmdlci5rZXJuZWwub3JnDQo+IENjOiBSYWosIEFzaG9rIDxhc2hvay5yYWpAaW50ZWwu Y29tPg0KPiBTdWJqZWN0OiBSZTogW1JGQyBQQVRDSCB2MiAwOS8xMF0geDg2L2NwdTogQ2FsbCBF TkNMU1tFVVBEQVRFU1ZOXQ0KPiBwcm9jZWR1cmUgaW4gbWljcm9jb2RlIHVwZGF0ZQ0KPiANCj4g T24gMjAyMi0wMy0xNiAxNjo0NywgRGF2ZSBIYW5zZW4gd3JvdGU6DQo+ID4gT24gMy8xNi8yMiAw MzoyNCwgSmV0aHJvIEJlZWttYW4gd3JvdGU6DQo+ID4+PiBEb2luZyB0aGlzIGF1dG9tYXRpY2Fs bHkgYW5kIHVuY29uZGl0aW9uYWxseSBkdXJpbmcgYSBtaWNyb2NvZGUNCj4gPj4+IHVwZGF0ZSBz ZWVtcyB1bmRlc2lyYWJsZS4gVGhpcyByZXF1aXJlcyB0aGUgdXNlcmxhbmQgdG9vbGluZyB0aGF0 DQo+ID4+PiBpcyBjb29yZGluYXRpbmcgdGhlIG1pY3JvY29kZSB1cGRhdGUgdG8gYmUgYXdhcmUg b2YgYW55IFNHWA0KPiA+Pj4gZW5jbGF2ZXMgdGhhdCBhcmUgcnVubmluZyBhbmQgcG9zc2libHkg Y29vcmRpbmF0ZSBzZXF1ZW5jaW5nIHdpdGgNCj4gPj4+IHRoZSBwcm9jZXNzZXMgY29udGFpbmlu ZyB0aG9zZSBlbmNsYXZlcy4gVGhpcyBjb3VwbGluZyBkb2VzIG5vdA0KPiA+Pj4gZXhpc3QgdG9k YXkuDQo+ID4+IEFsc28sIGEgbWljcm9jb2RlIHVwZGF0ZSBtYXkgbm90IGFmZmVjdCBTR1ggc2Vj dXJpdHkgYXQgYWxsIGFuZCBkb2luZw0KPiA+PiB0aGUgRVVQREFURVNWTiBwcm9jZWR1cmUgbWF5 IG5vdCBiZSByZXF1aXJlZCBmb3IgdGhpcyBwYXJ0aWN1bGFyDQo+ID4+IHVwZGF0ZS4gVGhpcyBj YXNlIGlzIGNhbGxlZCBvdXQgc3BlY2lmaWNhbGx5IGluIHRoZSBFVVBEQVRFU1ZODQo+ID4+IGRv Y3VtZW50YXRpb24uDQo+ID4NCj4gPiBJIGRvbid0IHRoaW5rIEludGVsIHByb3ZpZGVzIHRoZSBt ZXRhZGF0YSBmb3IgdGhlIGtlcm5lbCB0byB0ZWxsIGlmIGFuDQo+ID4gdXBkYXRlIHJlcXVpcmVz IGFuIEVVUERBVEVTVk4gcHJvY2VkdXJlIG9yIG5vdC4gIElmIHRoaXMgaXMgaW5jb252ZW5pZW50 DQo+ID4gZm9yIHlvdSwgSSdkIHN1Z2dlc3QgcmVwb3J0aW5nIHRoaXMgdG8gdGhlIGZvbGtzIGF0 IEludGVsIHdobyBjYW4gZml4DQo+ID4gaXQuICBJdCBkb2Vzbid0IHNlZW0gbGlrZSBzb21ldGhp bmcgd2hpY2ggdGhleSBhcmUgbW90aXZhdGVkIHRvIGZpeC4NCj4gDQo+IFdoZXRoZXIgb3Igbm90 IG1ldGFkYXRhIGlzIGN1cnJlbnRseSBtYWRlIGF2YWlsYWJsZSBpcyBvcnRob2dvbmFsIHRvDQo+ IGNyZWF0aW5nIGEgbWVjaGFuaXNtIGJ5IHdoaWNoIHVzZXJzcGFjZSBjYW4gaW5kaWRhdGUgdGhh dCBhIHBhcnRpY3VsYXINCj4gbWljcm9jb2RlIHVwZGF0ZSBzaG91bGRuJ3QgdHJpZ2dlciB0aGUg RVVQREFURVNWTiBwcm9jZWR1cmUuDQoNCkknbSBub3Qgc3VyZSBpZiB5b3UgaGF2ZSBub3RpY2Vk IHRoZSBkaXNjdXNzaW9ucyBpbiB2MToNCmh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC8xNzQy YmU5ZS1jMThlLTI4YzktNzVjOC0xNDRiZjFmNmEzMTFAaW50ZWwuY29tL1QvI20xOGU2ZmVjZDhj OWM1MTdjNjhjYjRkNjJlNTNmMjQ5MDlhYmQ1MGE3DQoNCldlIHJlbW92ZSB0aGUgc3lzZnMgd2hp Y2ggYWxsb3dzIHVzZXJzcGFjZSB0byBkZWNpZGUgaWYgYW5kIHdoZW4gdG8NCnRyaWdnZXIgdGhl IEVVUERBVEVTVk4gcHJvY2VkdXJlLiBQbGVhc2UgY29tbWVudCBpZiB5b3UgaGF2ZSBvdGhlcg0K c3VnZ2VzdGlvbi4NCg0KPiANCj4gLS0NCj4gSmV0aHJvIEJlZWttYW4gfCBGb3J0YW5peA0K