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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 71539C46475 for ; Thu, 25 Oct 2018 07:32:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EA55205F4 for ; Thu, 25 Oct 2018 07:32:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EA55205F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726973AbeJYQEF (ORCPT ); Thu, 25 Oct 2018 12:04:05 -0400 Received: from mga06.intel.com ([134.134.136.31]:49030 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726471AbeJYQEF (ORCPT ); Thu, 25 Oct 2018 12:04:05 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Oct 2018 00:32:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,423,1534834800"; d="scan'208";a="94869712" Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206]) by orsmga003.jf.intel.com with ESMTP; 25 Oct 2018 00:32:31 -0700 Received: from fmsmsx114.amr.corp.intel.com (10.18.116.8) by FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 25 Oct 2018 00:32:31 -0700 Received: from crsmsx103.amr.corp.intel.com (172.18.63.31) by FMSMSX114.amr.corp.intel.com (10.18.116.8) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 25 Oct 2018 00:32:31 -0700 Received: from crsmsx101.amr.corp.intel.com ([169.254.1.85]) by CRSMSX103.amr.corp.intel.com ([169.254.4.139]) with mapi id 14.03.0415.000; Thu, 25 Oct 2018 01:32:28 -0600 From: "Bae, Chang Seok" To: Andy Lutomirski CC: Boris Ostrovsky , Juergen Gross , xen-devel , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andi Kleen , Dave Hansen , "Metzger, Markus T" , "Shankar, Ravi V" , LKML Subject: Re: [v3 04/12] x86/fsgsbase/64: Enable FSGSBASE instructions in the helper functions Thread-Topic: [v3 04/12] x86/fsgsbase/64: Enable FSGSBASE instructions in the helper functions Thread-Index: AQHUawBO9chRqp+c5EKJrUo1DG8ZGaUvKsMAgADNk4A= Date: Thu, 25 Oct 2018 07:32:27 +0000 Message-ID: <1EE75BE7-12C6-4BD9-9D31-E9C396D2015B@intel.com> References: <20181023184234.14025-1-chang.seok.bae@intel.com> <20181023184234.14025-5-chang.seok.bae@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.255.78.140] Content-Type: text/plain; charset="utf-8" Content-ID: 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 DQo+IE9uIE9jdCAyNCwgMjAxOCwgYXQgMTI6MTYsIEFuZHkgTHV0b21pcnNraSA8bHV0b0BrZXJu ZWwub3JnPiB3cm90ZToNCj4gDQo+IE9uIFR1ZSwgT2N0IDIzLCAyMDE4IGF0IDExOjQzIEFNIENo YW5nIFMuIEJhZSA8Y2hhbmcuc2Vvay5iYWVAaW50ZWwuY29tPiB3cm90ZToNCj4+IHZvaWQgeDg2 X2ZzYmFzZV93cml0ZV9jcHUodW5zaWduZWQgbG9uZyBmc2Jhc2UpDQo+PiB7DQo+PiAtICAgICAg IC8qDQo+PiAtICAgICAgICAqIFNldCB0aGUgc2VsZWN0b3IgdG8gMCBhcyBhIG5vdGlvbiwgdGhh dCB0aGUgc2VnbWVudCBiYXNlIGlzDQo+PiAtICAgICAgICAqIG92ZXJ3cml0dGVuLCB3aGljaCB3 aWxsIGJlIGNoZWNrZWQgZm9yIHNraXBwaW5nIHRoZSBzZWdtZW50IGxvYWQNCj4+IC0gICAgICAg ICogZHVyaW5nIGNvbnRleHQgc3dpdGNoLg0KPj4gLSAgICAgICAgKi8NCj4+IC0gICAgICAgbG9h ZHNlZyhGUywgMCk7DQo+PiAtICAgICAgIHdybXNybChNU1JfRlNfQkFTRSwgZnNiYXNlKTsNCj4+ ICsgICAgICAgaWYgKHN0YXRpY19jcHVfaGFzKFg4Nl9GRUFUVVJFX0ZTR1NCQVNFKSkgew0KPj4g KyAgICAgICAgICAgICAgIHdyZnNiYXNlKGZzYmFzZSk7DQo+PiArICAgICAgIH0gZWxzZSB7DQo+ PiArICAgICAgICAgICAgICAgLyoNCj4+ICsgICAgICAgICAgICAgICAgKiBTZXQgdGhlIHNlbGVj dG9yIHRvIDAgYXMgYSBub3Rpb24sIHRoYXQgdGhlIHNlZ21lbnQgYmFzZSBpcw0KPj4gKyAgICAg ICAgICAgICAgICAqIG92ZXJ3cml0dGVuLCB3aGljaCB3aWxsIGJlIGNoZWNrZWQgZm9yIHNraXBw aW5nIHRoZSBzZWdtZW50IGxvYWQNCj4+ICsgICAgICAgICAgICAgICAgKiBkdXJpbmcgY29udGV4 dCBzd2l0Y2guDQo+PiArICAgICAgICAgICAgICAgICovDQo+PiArICAgICAgICAgICAgICAgbG9h ZHNlZyhGUywgMCk7DQo+PiArICAgICAgICAgICAgICAgd3Jtc3JsKE1TUl9GU19CQVNFLCBmc2Jh c2UpOw0KPj4gKyAgICAgICB9DQo+PiB9DQo+PiANCj4+IHZvaWQgeDg2X2dzYmFzZV93cml0ZV9j cHVfaW5hY3RpdmUodW5zaWduZWQgbG9uZyBnc2Jhc2UpDQo+PiB7DQo+PiAtICAgICAgIC8qIFNl dCB0aGUgc2VsZWN0b3IgdG8gMCBmb3IgdGhlIHNhbWUgcmVhc29uIGFzICVmcyBhYm92ZS4gKi8N Cj4+IC0gICAgICAgbG9hZHNlZyhHUywgMCk7DQo+PiAtICAgICAgIHdybXNybChNU1JfS0VSTkVM X0dTX0JBU0UsIGdzYmFzZSk7DQo+PiArICAgICAgIGlmIChzdGF0aWNfY3B1X2hhcyhYODZfRkVB VFVSRV9GU0dTQkFTRSkpIHsNCj4+ICsgICAgICAgICAgICAgICB3cl9pbmFjdGl2ZV9nc2Jhc2Uo Z3NiYXNlKTsNCj4+ICsgICAgICAgfSBlbHNlIHsNCj4+ICsgICAgICAgICAgICAgICAvKiBTZXQg dGhlIHNlbGVjdG9yIHRvIDAgZm9yIHRoZSBzYW1lIHJlYXNvbiBhcyAlZnMgYWJvdmUuICovDQo+ PiArICAgICAgICAgICAgICAgbG9hZHNlZyhHUywgMCk7DQo+PiArICAgICAgICAgICAgICAgd3Jt c3JsKE1TUl9LRVJORUxfR1NfQkFTRSwgZ3NiYXNlKTsNCj4gDQo+IEkgc3RpbGwgZG9uJ3QgZ2V0 IHdoYXQgdGhpcyBjb2RlIGlzIHRyeWluZyB0byBkby4gIFNlZSBvdGhlciBlbWFpbC4gIEkNCj4g dGhpbmsgaXQgd2lsbCBzdHJhaWdodCB1cCBjcmFzaCB0aGUga2VybmVsIG9uIHNvbWUgQ1BVcywg c2luY2Ugd3JpdGluZw0KPiAwIHRvICUlZ3Mgd2lsbCB6ZXJvIG91dCB0aGUgKmFjdGl2ZSogYmFz ZSBvbiBzb21lIENQVXMuDQo+IA0KDQpPbiB0aG9zZSBDUFVzLCBob3cgdGhlIG9sZCBkb19hcmNo X3ByY3RsXzY0KCkgd29ya2VkPw0KbG9hZHNlZyhHUywgMCkgZXZlbnR1YWxseSBoaXRzIHRoZSBu YXRpdmVfbG9hZF9nc19pbmRleCBlbnRyeSwgd2hlcmUgYWN0dWFsDQptb3Yg4oCmLCAlZ3MgaXMg d3JhcHBlZCBieSB0d28gU1dBUEdTZXMuIFNvLCBpdCB3b27igJl0IGNhdXNlIHRoZSBzaWRlIGVm ZmVjdA0Kb2Ygb3ZlcndyaXRpbmcgdGhlICphY3RpdmUqIGJhc2UsIEkgdGhpbmsuDQoNCj4gSSB0 aGluayB0aGF0LCBpZiB5b3UgcmVhbGx5IHdhbnQgc29tZSBmYW5jeSBvcHRpbWl6YXRpb24gZm9y IHRoZQ0KPiBub24tRlNHU0JBU0UgY2FzZSwgeW91IG5lZWQgdG8gcHVsbCB0aGF0IG91dCBpbnRv IHRoZSBjYWxsZXJzIG9mIHRoZXNlDQo+IGhlbHBlcnMuDQoNCg==