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 204B1C4338F for ; Tue, 3 Aug 2021 23:49:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 041876105A for ; Tue, 3 Aug 2021 23:49:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234585AbhHCXtu (ORCPT ); Tue, 3 Aug 2021 19:49:50 -0400 Received: from mga03.intel.com ([134.134.136.65]:32391 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234543AbhHCXtt (ORCPT ); Tue, 3 Aug 2021 19:49:49 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10065"; a="213844551" X-IronPort-AV: E=Sophos;i="5.84,292,1620716400"; d="scan'208";a="213844551" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Aug 2021 16:49:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,292,1620716400"; d="scan'208";a="670710688" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by fmsmga005.fm.intel.com with ESMTP; 03 Aug 2021 16:49:37 -0700 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) 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 15.1.2242.10; Tue, 3 Aug 2021 16:49:36 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Tue, 3 Aug 2021 16:49:36 -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 15.01.2242.010; Tue, 3 Aug 2021 16:49:36 -0700 From: "Luck, Tony" To: Matthew Wilcox CC: "Hansen, Dave" , Sean Christopherson , Jarkko Sakkinen , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "Liam R. Howlett" Subject: Re: [PATCH v3 2/7] x86/sgx: Add infrastructure to identify SGX EPC pages Thread-Topic: [PATCH v3 2/7] x86/sgx: Add infrastructure to identify SGX EPC pages Thread-Index: AQHXg/G30fZF4uOm90WtR2lkv24P8qtZas0AgAG4/oCAAQ5zgIAAAVyA//+qPoCAAJSLAP//ufVQgAafygD//7BoUA== Date: Tue, 3 Aug 2021 23:49:35 +0000 Message-ID: <5B1DB882-124D-4218-9522-760AB69F6A3F@intel.com> References: <20210719182009.1409895-1-tony.luck@intel.com> <20210728204653.1509010-1-tony.luck@intel.com> <20210728204653.1509010-3-tony.luck@intel.com> <141602a3-ef61-01f0-4a3c-69f8e7012fcd@intel.com> <20210730003809.hp3nmqmgyysa45nz@kernel.org> <20210730184400.GA1521057@agluck-desk2.amr.corp.intel.com> <259e12df49b9495cb6b326e52c9ffe51@intel.com>, In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: 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 DQoNClNlbnQgZnJvbSBteSBpUGhvbmUNCg0KPiBPbiBBdWcgMywgMjAyMSwgYXQgMTQ6NDcsIE1h dHRoZXcgV2lsY294DQo+IA0KPiBMaWFtIGFuZCBJIGFyZSB3b3JraW5nIG9uIGEgbmV3IHJlcGxh Y2VtZW50IGRhdGEgc3RydWN0dXJlIGNhbGxlZCB0aGUNCj4gTWFwbGUgVHJlZSwgYnV0IGl0J3Mg bm90IHlldCByZWFkeSB0byByZXBsYWNlIHRoZSByYWRpeCB0cmVlIGJhY2sgZW5kLg0KPiBJdCBs b29rcyBsaWtlIGl0IHdvdWxkIGJlIHBlcmZlY3QgZm9yIHlvdXIgY2FzZTsgdGhlcmUgd291bGQg YmUgZml2ZQ0KPiBlbnRyaWVzIGluIGl0LCBzdG9yZWQgaW4gb25lIDI1Ni1ieXRlIG5vZGU6DQo+ IA0KPiAgICBOVUxMDQo+IDB4ODAwMGJmZmZmZg0KPiAgICBwMQ0KPiAweDgwN2Y3ZmZmZmYNCj4g ICAgTlVMTA0KPiAweDEwMDAwYzAwMDAwDQo+ICAgIHAyDQo+IDB4MTAwN2ZmZmZmZmYNCj4gICAg TlVMTA0KPiAweGZmZmYnZmZmZidmZmZmJ2ZmZmYNCj4gDQo+IEl0IHdvdWxkIGFjdHVhbGx5IHR1 cm4gaW50byBhIGxpbmVhciBzY2FuLCBiZWNhdXNlIHRoYXQncyBqdXN0IHRoZQ0KPiBmYXN0ZXN0 IHdheSB0byBmaW5kIHNvbWV0aGluZyBpbiBhIGxpc3Qgb2YgZml2ZSBlbGVtZW50cy4gIEEgdGhp cmQNCj4gcmFuZ2Ugd291bGQgdGFrZSB1cyB0byBhIGxpc3Qgb2Ygc2V2ZW4gZWxlbWVudHMsIHdo aWNoIHN0aWxsIGZpdHMNCj4gaW4gYSBzaW5nbGUgbm9kZS4gIE9uY2Ugd2UgZ2V0IHRvIG1vcmUg dGhhbiB0aGF0LCB5b3UnZCBoYXZlIGENCj4gdHdvLWxldmVsIHRyZWUsIHdoaWNoIHdvdWxkIHdv cmsgdW50aWwgeW91IGhhdmUgbW9yZSB0aGFuIH4yMCByYW5nZXMuDQo+IA0KPiBXZSBjb3VsZCBk byBiZXR0ZXIgZm9yIHlvdXIgY2FzZSBieSBzdG9yaW5nIDEweCAoc3RhcnQsIGVuZCwgcCkgaW4g ZWFjaA0KPiBsZWFmIG5vZGUsIGJ1dCB3ZSdyZSAoY3VycmVudGx5KSBvcHRpbWlzaW5nIGZvciBW TUFzIHdoaWNoIHRlbmQgdG8gYmUNCj4gdGlnaHRseSBwYWNrZWQsIG1lYW5pbmcgdGhhdCBhbiBp bXBsaWNpdCAnc3RhcnQnIGVsZW1lbnQgaXMgYSBiZXR0ZXINCj4gY2hvaWNlIGFzIGl0IGdpdmVz IHVzIDE1eCAoZW5kLCBwKSBwYWlycy4NCg0KVGhhdOKAmXMgZ29vZCB0byBrbm93LiBXaGlsZSBj dXJyZW50IHhhcnJheQ0KaW1wbGVtZW50YXRpb24gbWlnaHQgYmUgYSBiaXQgd2FzdGVmdWxbMV0s DQp0aGluZ3Mgd2lsbCBnZXQgYmV0dGVyLg0KDQpJ4oCZbSBzdGlsbCBnb2luZyB3aXRoIHhhcnJh eSB0byBrZWVwIHRoZSBzb3VyY2UNCnNpbXBsZS4NCg0KLVRvbnkNCg0KWzFdIEEgZmV3IEtCeXRl cyBleHRyYSBkb2VzbuKAmXQgZXZlbiBzb3VuZA0KdG9vIHRlcnJpYmxlIHRvIG1hbmFnZSB0ZW5z IG9mIE1CeXRlcyAob3INCm1vcmUpIG9mIFNHWCBFUEMgbWVtb3J5IG9uIGEgc3lzdGVtDQp3aXRo IGEgaGFsZiBUQnl0ZSB0b3RhbCBtZW1vcnkuDQoNCg0K