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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 79479C433F5 for ; Tue, 21 Sep 2021 20:50:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6024B60F6E for ; Tue, 21 Sep 2021 20:50:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235137AbhIUUvo (ORCPT ); Tue, 21 Sep 2021 16:51:44 -0400 Received: from mga09.intel.com ([134.134.136.24]:2351 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232145AbhIUUvm (ORCPT ); Tue, 21 Sep 2021 16:51:42 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10114"; a="223493202" X-IronPort-AV: E=Sophos;i="5.85,311,1624345200"; d="scan'208";a="223493202" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2021 13:50:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,311,1624345200"; d="scan'208";a="512468408" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by fmsmga008.fm.intel.com with ESMTP; 21 Sep 2021 13:50:12 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) 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 15.1.2242.12; Tue, 21 Sep 2021 13:50:12 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) 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 15.1.2242.12; Tue, 21 Sep 2021 13:50:11 -0700 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2242.012; Tue, 21 Sep 2021 13:50:11 -0700 From: "Luck, Tony" To: "Hansen, Dave" , Sean Christopherson , Jarkko Sakkinen , Matthew Wilcox CC: "Zhang, Cathy" , "linux-sgx@vger.kernel.org" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v5 2/7] x86/sgx: Add infrastructure to identify SGX EPC pages Thread-Topic: [PATCH v5 2/7] x86/sgx: Add infrastructure to identify SGX EPC pages Thread-Index: AQHXrAxnZDX1Yl9E4Uu8UQt85PjUBauvanYA//+PLtA= Date: Tue, 21 Sep 2021 20:50:11 +0000 Message-ID: References: <20210827195543.1667168-1-tony.luck@intel.com> <20210917213836.175138-1-tony.luck@intel.com> <20210917213836.175138-3-tony.luck@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.200.16 x-originating-ip: [10.1.200.100] 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 Pj4gIAlzZWN0aW9uLT5waHlzX2FkZHIgPSBwaHlzX2FkZHI7DQo+PiArCXNlY3Rpb24tPmVuZF9w aHlzX2FkZHIgPSBwaHlzX2FkZHIgKyBzaXplIC0gMTsNCj4+ICsJeGFfc3RvcmVfcmFuZ2UoJmVw Y19wYWdlX3Jhbmdlcywgc2VjdGlvbi0+cGh5c19hZGRyLA0KPj4gKwkJICAgICAgIHNlY3Rpb24t PmVuZF9waHlzX2FkZHIsIHNlY3Rpb24sIEdGUF9LRVJORUwpOw0KPg0KPiBEaWQgd2UgZXZlciBm aWd1cmUgb3V0IGhvdyBtdWNoIHNwYWNlIHN0b3JpbmcgcmVhbGx5IGJpZyByYW5nZXMgaW4gdGhl DQo+IHhhcnJheSBjb25zdW1lcz8NCg0KTm8uIFdpbGx5IHNhaWQgdGhlIGV4aXN0aW5nIHhhcnJh eSBjb2RlIHdvdWxkIGJlIGxlc3MgdGhhbiBvcHRpbWFsIHdpdGgNCnRoaXMgdXNhZ2UsIGJ1dCB0 aGF0IHRoaW5ncyB3b3VsZCBiZSBtdWNoIGJldHRlciB3aGVuIGhlIGFwcGxpZWQgc29tZQ0KbWFw bGUgdHJlZSB1cGRhdGVzIHRvIHRoZSBpbnRlcm5hbHMgb2YgeGFycmF5Lg0KDQpJZiB0aGVyZSBp cyBzb21lIGVhc3kgd2F5IHRvIG1lYXN1cmUgdGhlIG1lbW9yeSBiYWNraW5nIGFuIHhhcnJheSBJ J20NCmhhcHB5IHRvIGdldCB0aGUgZGF0YS4gT3IgaWYgc29tZW9uZSBlbHNlIGNhbiBzeW50aGVz aXplIGl0IC4uLiB0aGUgdHdvDQpyYW5nZXMgb24gbXkgc3lzdGVtIHRoYXQgYXJlIGFkZGVkIHRv IHRoZSB4YXJyYXkgYXJlOg0KDQokIGRtZXNnIHwgZ3JlcCAtaSBzZ3gNClsgICAgOC40OTY4NDRd IHNneDogRVBDIHNlY3Rpb24gMHg4MDAwYzAwMDAwLTB4ODA3ZjdmZmZmZg0KWyAgICA4LjUwNTEx OF0gc2d4OiBFUEMgc2VjdGlvbiAweDEwMDAwYzAwMDAwLTB4MTAwN2ZmZmZmZmYNCg0KSS5lLiB0 d28gcmFuZ2VzIG9mIGEgYml0IHVuZGVyIDJHQiBlYWNoLg0KDQpCdXQgSSBkb24ndCB0aGluayB0 aGUgb3ZlcmhlYWQgY2FuIGJlIHRvbyBoaWRlb3VzOg0KDQokIGdyZXAgTWVtRnJlZSAvcHJvYy9t ZW1pbmZvDQpNZW1GcmVlOiAgICAgICAgMTA0ODY4MjAxNiBrQg0KDQpJIHN0aWxsIGhhdmUgfiAx VEIgZnJlZS4gV2hpY2ggaXMgbXVjaCBncmVhdGVyIHRoYXQgdGhlIDY0MCBLQiB3aGljaCBzaG91 bGQNCmJlICJlbm91Z2ggZm9yIGFueWJvZHkiIDotKS4NCg0KLVRvbnkNCg==