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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS autolearn=unavailable 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 A28E3C43381 for ; Wed, 20 Mar 2019 20:10:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7FA5621874 for ; Wed, 20 Mar 2019 20:10:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727265AbfCTUK5 (ORCPT ); Wed, 20 Mar 2019 16:10:57 -0400 Received: from mga05.intel.com ([192.55.52.43]:54475 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726023AbfCTUK4 (ORCPT ); Wed, 20 Mar 2019 16:10:56 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Mar 2019 13:10:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,249,1549958400"; d="scan'208";a="330431675" Received: from orsmsx109.amr.corp.intel.com ([10.22.240.7]) by fmsmga005.fm.intel.com with ESMTP; 20 Mar 2019 13:10:54 -0700 Received: from orsmsx116.amr.corp.intel.com ([169.254.7.78]) by ORSMSX109.amr.corp.intel.com ([169.254.11.11]) with mapi id 14.03.0415.000; Wed, 20 Mar 2019 13:10:54 -0700 From: "Xing, Cedric" To: Jethro Beekman , Jarkko Sakkinen , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "linux-sgx@vger.kernel.org" CC: "akpm@linux-foundation.org" , "Hansen, Dave" , "Christopherson, Sean J" , "nhorman@redhat.com" , "npmccallum@redhat.com" , "Ayoun, Serge" , "Katz-zamir, Shay" , "Huang, Haitao" , "andriy.shevchenko@linux.intel.com" , "tglx@linutronix.de" , "Svahn, Kai" , "bp@alien8.de" , "josh@joshtriplett.org" , "luto@kernel.org" , "Huang, Kai" , "rientjes@google.com" , Andy Lutomirski , Dave Hansen , "Haitao Huang" , "Dr . Greg Wettstein" Subject: RE: [PATCH v19,RESEND 24/27] x86/vdso: Add __vdso_sgx_enter_enclave() to wrap SGX enclave transitions Thread-Topic: [PATCH v19,RESEND 24/27] x86/vdso: Add __vdso_sgx_enter_enclave() to wrap SGX enclave transitions Thread-Index: AQHU3zmquZHDGSY4XUWmggeyxtSmi6YU12fwgAB+UAD//5xBQA== Date: Wed, 20 Mar 2019 20:10:53 +0000 Message-ID: <960B34DE67B9E140824F1DCDEC400C0F4E85C567@ORSMSX116.amr.corp.intel.com> References: <20190320162119.4469-1-jarkko.sakkinen@linux.intel.com> <20190320162119.4469-25-jarkko.sakkinen@linux.intel.com> <960B34DE67B9E140824F1DCDEC400C0F4E85C484@ORSMSX116.amr.corp.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiM2E4OTNhZDQtZWI2ZS00MDRmLTliMmUtYjU2Mjk4ZmE1YzMzIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoidW1sdnlmTnpLK3BEeHdIN2FncE4xdURXSVd5STA1U3h6TjFlMlFpd1lnbENoQTB1U2MrMjRCSUdzVlg3a1RBQiJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.22.254.139] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiA+IEJ5IHJlcXVpcmluZyBwcmVzZXJ2YXRpb24gb2YgUlNQIGF0IGJvdGggQUVYIGFuZCBFRVhJ VCwgdGhpcyBwcmVjbHVkZXMNCj4gdGhlIHBvc3NpYmlsaXR5IG9mIHVzaW5nIHRoZSB1bnRydXN0 ZWQgc3RhY2sgYXMgdGVtcG9yYXJ5IHN0b3JhZ2UgYnkNCj4gZW5jbGF2ZXMuIFdoaWxlIHRoYXQg bG9va3MgcmVhc29uYWJsZSBhdCBmaXJzdCBnbGFuY2UsIEknbSBhZnJhaWQgaXQNCj4gaXNuJ3Qg dGhlIGNhc2UgaW4gcmVhbGl0eS4gVGhlIHVudHJ1c3RlZCBzdGFjayBpcyBpbmFyZ3VhYmx5IHRo ZSBtb3N0DQo+IGNvbnZlbmllbnQgd2F5IGZvciBkYXRhIGV4Y2hhbmdlIGJldHdlZW4gYW4gZW5j bGF2ZSBhbmQgaXRzIGVuY2xvc2luZw0KPiBwcm9jZXNzLCBhbmQgaXMgaW4gZmFjdCBiZWluZyB1 c2VkIGZvciB0aGF0IHB1cnBvc2UgYnkgYWxtb3N0IGFsbA0KPiBleGlzdGluZyBlbmNsYXZlcyB0 byBkYXRlLiBHaXZlbiB0aGUgZXhwZWN0YXRpb24gdGhhdCB0aGlzIEFQSSB3aWxsIGJlDQo+IHVz ZWQgYnkgYWxsIGZ1dHVyZSBTR1ggYXBwbGljYXRpb24sIGl0IGxvb2tzIHVud2lzZSB0byBiYW4g dGhlIG1vc3QNCj4gY29udmVuaWVudCBhbmQgY29tbW9ubHkgdXNlZCBhcHByb2FjaCBmb3IgZGF0 YSBleGNoYW5nZS4NCj4gDQo+IEZvciByZWZlcmVuY2UsIGhlcmUncyB0aGUgY29kZSBpbiB0aGUg SW50ZWwgdG9vbGNoYWluIHJlc3BvbnNpYmxlIGZvcg0KPiB0aGlzOg0KPiBodHRwczovL2dpdGh1 Yi5jb20vaW50ZWwvbGludXgtDQo+IHNneC9ibG9iLzZhMGI1YWM3MWY4ZDE2ZjA0ZTAzNzZmM2Iy MTY4ZTgwYzc3M2RkMjMvc2RrL3RydHMvdHJ0cy5jcHAjTDEyNQ0KPiAtTDE0MA0KPiANCj4gUmVn YXJkaW5nICJhbG1vc3QgYWxsIGV4aXN0aW5nIGVuY2xhdmVzIHRvIGRhdGUiLCBlbmNsYXZlcyBi dWlsdCB3aXRoDQo+IHRoZSBGb3J0YW5peCB0b29sY2hhaW4gZG9uJ3QgdG91Y2ggdGhlIHVudHJ1 c3RlZCBzdGFjay4NCj4gDQo+IC0tDQo+IEpldGhybyBCZWVrbWFuIHwgRm9ydGFuaXgNCg0KVGhh bmtzIGZvciBwcm92aWRpbmcgdGhlIHJlZmVyZW5jZXMuIFllcywgbm90IGV2ZXJ5IGVuY2xhdmUg dG91Y2hlcyB0aGUgdW50cnVzdGVkIHN0YWNrIHNvIEkgdXNlZCB0aGUgd29yZCAiYWxtb3N0Ii4N Cg0KRXZlcnl0aGluZyBleGlzdHMgZm9yIGEgcmVhc29uLiBCeSBicmluZ2luZyB1cCB3aGF0IGlz IGRvbmUgdG9kYXksIEkgd2FzIHRyeWluZyB0byBpbnNwaXJlIHRoaW5raW5nIG9uIHRoZSBtb3Jl IGltcG9ydGFudCBxdWVzdGlvbiBvZiAid2h5IGlzIGl0IGRvbmUgdGhpcyB3YXkgdG9kYXk/Ii4N Cg==