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 2908CC4707F for ; Thu, 27 May 2021 15:25:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00714611C9 for ; Thu, 27 May 2021 15:25:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235871AbhE0P0z (ORCPT ); Thu, 27 May 2021 11:26:55 -0400 Received: from mga06.intel.com ([134.134.136.31]:51115 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235017AbhE0P0w (ORCPT ); Thu, 27 May 2021 11:26:52 -0400 IronPort-SDR: WSPuou58lZto3/lIXv+rbk171bVf3o1DMH33ZmhzzW5PeLh6C+3eXNiYFLwMESUdepFkezyfZf /3WJbrJ6SnOg== X-IronPort-AV: E=McAfee;i="6200,9189,9997"; 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Thu, 27 May 2021 08:25:16 -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 15.01.2242.008; Thu, 27 May 2021 08:25:16 -0700 From: "Luck, Tony" To: Kuppuswamy Sathyanarayanan , Peter Zijlstra , Andy Lutomirski , "Hansen, Dave" CC: Andi Kleen , Kirill Shutemov , Kuppuswamy Sathyanarayanan , "Williams, Dan J" , "Raj, Ashok" , Sean Christopherson , "linux-kernel@vger.kernel.org" Subject: RE: [RFC v2-fix-v2 1/1] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions Thread-Topic: [RFC v2-fix-v2 1/1] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions Thread-Index: AQHXUo+HGWahrGi/A0SEFraSQ6BB26r3cj8A Date: Thu, 27 May 2021 15:25:16 +0000 Message-ID: <974d8050cb974d6d80b0033e4b9fd0bf@intel.com> References: <77545da6-d534-e4c2-a60b-085705e3f0b7@linux.intel.com> <20210527003033.3632700-1-sathyanarayanan.kuppuswamy@linux.intel.com> In-Reply-To: <20210527003033.3632700-1-sathyanarayanan.kuppuswamy@linux.intel.com> 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: 11.5.1.3 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 PiBHdWVzdHMgY29tbXVuaWNhdGUgd2l0aCBWTU1zIHdpdGggaHlwZXJjYWxscy4gSGlzdG9yaWNh bGx5LCB0aGVzZQ0KPiBhcmUgaW1wbGVtZW50ZWQgdXNpbmcgaW5zdHJ1Y3Rpb25zIHRoYXQgYXJl IGtub3duIHRvIGNhdXNlIFZNRVhJVHMNCj4gbGlrZSB2bWNhbGwsIHZtbGF1bmNoLCBldGMuIEhv d2V2ZXIsIHdpdGggVERYLCBWTUVYSVRzIG5vIGxvbmdlcg0KPiBleHBvc2UgZ3Vlc3Qgc3RhdGUg dG8gdGhlIGhvc3QuIMKgVGhpcyBwcmV2ZW50cyB0aGUgb2xkIGh5cGVyY2FsbA0KPiBtZWNoYW5p c21zIGZyb20gd29ya2luZy4gU28gdG8gY29tbXVuaWNhdGUgd2l0aCBWTU0sIFREWA0KPiBzcGVj aWZpY2F0aW9uIGRlZmluZXMgYSBuZXcgaW5zdHJ1Y3Rpb24gY2FsbGVkICJ0ZGNhbGwiLg0KDQpZ b3UgdXNlIGFsbCBjYXBzIFREQ0FMTCBldmVyeXdoZXJlIGVsc2UgaW4gdGhpcyBjb21taXQgbWVz c2FnZS4NCkxvb2tzIG9kZCB0byBoYXZlIHF1b3RlZCBsb3dlciBjYXNlIGhlcmUuDQoNCj4gSW4g YSBURFggYmFzZWQgVk0sIHNpbmNlIFZNTSBpcyBhbiB1bnRydXN0ZWQgZW50aXR5LCBhIGludGVy bWVkaWFyeQ0KPiBsYXllciAoVERYIG1vZHVsZSkgZXhpc3RzIGJldHdlZW4gaG9zdCBhbmQgZ3Vl c3QgdG8gZmFjaWxpdGF0ZSB0aGUNCj4gc2VjdXJlIGNvbW11bmljYXRpb24uIFREWCBndWVzdHMg Y29tbXVuaWNhdGUgd2l0aCB0aGUgVERYIG1vZHVsZSBhbmQNCj4gd2l0aCB0aGUgVk1NIHVzaW5n IGEgbmV3IGluc3RydWN0aW9uOiBURENBTEwuDQoNClNlZW1zIGJvdGggcmVwZWF0IHdoYXQgd2Fz IGluIHRoZSBmaXJzdCBwYXJhZ3JhcGgsIGJ1dCBhbHNvIGZhaWwgdG8NCmV4cGxhaW4gaG93IHRo aXMgVERDQUxMIGlzIGRpZmZlcmVudCBmcm9tIHRoYXQgZmlyc3QgVERDQUxMLg0KDQo+IEltcGxl bWVudCBjb21tb24gaGVscGVyIGZ1bmN0aW9ucyB0byBjb21tdW5pY2F0ZSB3aXRowqB0aGUgVERY IE1vZHVsZQ0KPiBhbmQgVk1NICh1c2luZyBURENBTEwgaW5zdHJ1Y3Rpb24pLg0KPsKgIMKgDQo+ IF9fdGR4X2h5cGVyY2FsbCgpICAgIC0gcmVxdWVzdCBzZXJ2aWNlc8KgZnJvbSB0aGUgVk1NLg0K PiBfX3RkeF9tb2R1bGVfY2FsbCgpwqAgLSBjb21tdW5pY2F0ZSB3aXRoIHRoZSBURFggTW9kdWxl Lg0KDQpMb29raW5nIGF0IHRoZSBjb2RlLCB0aGUgaHlwZXJjYWxsIGNhbiByZXR1cm4gYW4gZXJy b3IgaWYgVERDQUxMIGZhaWxzLA0KYnV0IG1vZHVsZV9jYWxsIGZvcmNlcyBhIHBhbmljIHdpdGgg VUQyIG9uIGVycm9yLiBUaGlzIGRpZmZlcmVuY2UgaXNuJ3QNCmV4cGxhaW5lZCBhbnl3aGVyZS4N Cg0KLVRvbnkNCg==