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_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 E113BC2D0EC for ; Tue, 7 Apr 2020 21:26:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA24C2072A for ; Tue, 7 Apr 2020 21:26:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726477AbgDGV0C (ORCPT ); Tue, 7 Apr 2020 17:26:02 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:53197 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726380AbgDGV0C (ORCPT ); Tue, 7 Apr 2020 17:26:02 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-52-92QqPk1OMtCG-Q0ygmijTQ-1; Tue, 07 Apr 2020 22:25:57 +0100 X-MC-Unique: 92QqPk1OMtCG-Q0ygmijTQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 7 Apr 2020 22:25:56 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 7 Apr 2020 22:25:56 +0100 From: David Laight To: 'Peter Zijlstra' , "tglx@linutronix.de" , "linux-kernel@vger.kernel.org" CC: "hch@infradead.org" , "sean.j.christopherson@intel.com" , "mingo@redhat.com" , "bp@alien8.de" , "hpa@zytor.com" , "x86@kernel.org" , "kenny@panix.com" , "jeyu@kernel.org" , "rasmus.villemoes@prevas.dk" , "pbonzini@redhat.com" , "fenghua.yu@intel.com" , "xiaoyao.li@intel.com" , "nadav.amit@gmail.com" , "thellstrom@vmware.com" , "tony.luck@intel.com" , "rostedt@goodmis.org" , "gregkh@linuxfoundation.org" , "jannh@google.com" , "keescook@chromium.org" , "dcovelli@vmware.com" , "mhiramat@kernel.org" Subject: RE: [PATCH 3/4] x86,module: Detect VMX vs SLD conflicts Thread-Topic: [PATCH 3/4] x86,module: Detect VMX vs SLD conflicts Thread-Index: AQHWDM13xoy91raOhkKuBOKktFSrAahuK2jQ Date: Tue, 7 Apr 2020 21:25:56 +0000 Message-ID: <23787a63b28744b1906c4d4b6209b6af@AcuMS.aculab.com> References: <20200407110236.930134290@infradead.org> <20200407111007.352324393@infradead.org> In-Reply-To: <20200407111007.352324393@infradead.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogUGV0ZXIgWmlqbHN0cmENCj4gU2VudDogMDcgQXByaWwgMjAyMCAxMjowMw0KPiANCj4g SXQgdHVybnMgb3V0IHRoYXQgd2l0aCBTcGxpdC1Mb2NrLURldGVjdCBlbmFibGVkIChkZWZhdWx0 KSBhbnkgVk1YDQo+IGh5cGVydmlzb3IgbmVlZHMgYXQgbGVhc3QgYSBsaXR0bGUgbW9kaWZpY2F0 aW9uIGluIG9yZGVyIHRvIG5vdCBibGluZGx5DQo+IGluamVjdCB0aGUgI0FDIGludG8gdGhlIGd1 ZXN0IHdpdGhvdXQgdGhlIGd1ZXN0IGJlaW5nIHJlYWR5IGZvciBpdC4NCj4gDQo+IFNpbmNlIHRo ZXJlIGlzIG5vIHRlbGxpbmcgd2hpY2ggbW9kdWxlIGltcGxlbWVudHMgYSBoeXBlcnZpc29yLCBz Y2FuDQo+IGFsbCBvdXQtb2YtdHJlZSBtb2R1bGVzJyB0ZXh0IGFuZCBsb29rIGZvciBWTVggaW5z dHJ1Y3Rpb25zIGFuZCByZWZ1c2UNCj4gdG8gbG9hZCBpdCB3aGVuIFNMRCBpcyBlbmFibGVkIChk ZWZhdWx0KSBhbmQgdGhlIG1vZHVsZSBpc24ndCBtYXJrZWQNCj4gJ3NsZF9zYWZlJy4NCi4uLg0K PiArCXdoaWxlICh0ZXh0IDwgdGV4dF9lbmQpIHsNCj4gKwkJa2VybmVsX2luc25faW5pdCgmaW5z biwgdGV4dCwgdGV4dF9lbmQgLSB0ZXh0KTsNCj4gKwkJaW5zbl9nZXRfbGVuZ3RoKCZpbnNuKTsN Cj4gKw0KPiArCQlpZiAoV0FSTl9PTl9PTkNFKCFpbnNuX2NvbXBsZXRlKCZpbnNuKSkpIHsNCj4g KwkJCXByX2VycigiTW9kdWxlIHRleHQgbWFsZm9ybWVkOiAlc1xuIiwgbW9kLT5uYW1lKTsNCj4g KwkJCXJldHVybiAtRU5PRVhFQzsNCj4gKwkJfQ0KPiArDQo+ICsJCWlmICghYWxsb3dfdm14ICYm IGluc25faXNfdm14KCZpbnNuKSkgew0KPiArCQkJcHJfZXJyKCJNb2R1bGUgaGFzIFZNWCBpbnN0 cnVjdGlvbnMgYW5kIGlzIG5vdCBtYXJrZWQgJ3NsZF9zYWZlJywgYm9vdCB3aXRoOg0KPiAnc3Bs aXRfbG9ja19kZXRlY3Q9b2ZmJzogJXNcbiIsIG1vZC0+bmFtZSk7DQo+ICsJCQlyZXR1cm4gLUVO T0VYRUM7DQo+ICsJCX0NCj4gKw0KPiArCQl0ZXh0ICs9IGluc24ubGVuZ3RoOw0KPiArCX0NCg0K VGhlcmUgaXMgYSBzbGlnaHQgZmxhdyBpbiB0aGUgYWJvdmUuDQpBIG1hbGljaW91cyBtb2R1bGUg Y2FuIGhpZGUgdGhlIHJlcXVpcmVkIGluc3RydWN0aW9uIGJ5IGp1bXBpbmcgaW50byB0aGUNCm1p ZGRsZSBvZiBhIGxvbmcgaW5zdHJ1Y3Rpb24uDQoNCkV2ZW4gY2hlY2tpbmcgYnJhbmNoIHRhcmdl dHMgaGl0IGluc3RydWN0aW9uIGJhcnJpZXJzIGlzbid0IGVub3VnaCwNCmFuIGluZGlyZWN0IGp1 bXAgY291bGQgYmUgdXNlZC4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtl c2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBV Sw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==