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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 1C31FC4360F for ; Fri, 5 Apr 2019 09:22:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E5626217D4 for ; Fri, 5 Apr 2019 09:22:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730551AbfDEJWz (ORCPT ); Fri, 5 Apr 2019 05:22:55 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:34127 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730024AbfDEJWz (ORCPT ); Fri, 5 Apr 2019 05:22:55 -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-46-Dt0vwYpzMOC1c-bTu-iR7Q-1; Fri, 05 Apr 2019 10:22:52 +0100 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; Fri, 5 Apr 2019 10:23:59 +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; Fri, 5 Apr 2019 10:23:59 +0100 From: David Laight To: 'Thomas Gleixner' CC: 'Fenghua Yu' , 'Ingo Molnar' , 'Borislav Petkov' , 'H Peter Anvin' , "'Dave Hansen'" , 'Paolo Bonzini' , 'Ashok Raj' , 'Peter Zijlstra' , 'Kalle Valo' , 'Xiaoyao Li ' , 'Michael Chan' , 'Ravi V Shankar' , 'linux-kernel' , 'x86' , "'linux-wireless@vger.kernel.org'" , "'netdev@vger.kernel.org'" , "'kvm@vger.kernel.org'" Subject: RE: [PATCH v6 04/20] x86/split_lock: Align x86_capability to unsigned long to avoid split locked access Thread-Topic: [PATCH v6 04/20] x86/split_lock: Align x86_capability to unsigned long to avoid split locked access Thread-Index: AQHU6mTrt6127B4KeUCFmArv0ksdfKYsEdZAgAAdv4D///hjgIABIu0A Date: Fri, 5 Apr 2019 09:23:59 +0000 Message-ID: <4eb8949c2351479993027459644e0446@AcuMS.aculab.com> References: <1554326526-172295-1-git-send-email-fenghua.yu@intel.com> <1554326526-172295-5-git-send-email-fenghua.yu@intel.com> <73ecc9de54c3424da3cddd1a34cb8701@AcuMS.aculab.com> In-Reply-To: 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-MC-Unique: Dt0vwYpzMOC1c-bTu-iR7Q-1 X-Mimecast-Spam-Score: 0 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 RnJvbTogVGhvbWFzIEdsZWl4bmVyIFttYWlsdG86dGdseEBsaW51dHJvbml4LmRlXQ0KPiANCj4g T24gVGh1LCA0IEFwciAyMDE5LCBEYXZpZCBMYWlnaHQgd3JvdGU6DQouLi4NCj4gYml0b3BzIG9w ZXJhdGUgb24gdW5zaWduZWQgbG9uZyBhcnJheXMsIHNvIHRoZSBSTVcgb24gdGhlIGFmZmVjdGVk IGFycmF5DQo+IG1lbWJlciBoYXMgdG8gYmUgYXRvbWljIHZzLiBvdGhlciBSTVcgb3BlcmF0aW9u cyBvbiB0aGUgc2FtZSBhcnJheQ0KPiBtZW1iZXIuIElmIHdlIG1ha2UgdGhlIGJpdG9wcyAzMmJp dCB3aWRlIG9uIHg4Ni82NCB3ZSBicmVhayB0aGF0Lg0KPiANCj4gU28gc2VsZWN0aW5nIDY0Yml0 IGFjY2VzcyAoUkVYLlcgcHJlZml4KSBpcyBjb3JyZWN0IGFuZCBoYXMgdG8gc3RheS4NCg0KRXZl biBpZiB0aGUgbG9jayBoYWQgYSBmaW5lIGdyYW51bGFyaXR5IGl0IHNob3VsZG4ndCBtYXR0ZXIg d2hldGhlcg0KdHdvIFJNVyBvcGVyYXRpb25zIG9uIGRpZmZlcmVudCBwYXJ0cyBvZiB0aGUgc2Ft ZSAnbG9uZycgaGFwcGVuZWQNCmF0IHRoZSBzYW1lIHRpbWUuDQpJU1RSIHNvbWUgb2YgdGhlICdj b25zdGFudCBiaXQgb2Zmc2V0JyBhcmUgZG9uZSB3aXRoIGJ5dGUgc2l6ZWQNCmxvY2tlZCB0cmFu c2ZlcnMuDQoNClRoZSBwcm9ibGVtIGhlcmUgaXMgdGhhdCB0aGUgYml0bWFwIGlzIGRlZmluZWQg YXMgX191MzJbXSBub3QNCnVuc2lnbmVkIGxvbmdbXS4NCg0KLQlfX3UzMgkJCXg4Nl9jYXBhYmls aXR5W05DQVBJTlRTICsgTkJVR0lOVFNdOw0KKwkvKiBVbnNpZ25lZCBsb25nIGFsaWdubWVudCB0 byBhdm9pZCBzcGxpdCBsb2NrIGluIGF0b21pYyBiaXRtYXAgb3BzICovDQorCV9fdTMyCQkJeDg2 X2NhcGFiaWxpdHlbTkNBUElOVFMgKyBOQlVHSU5UU10NCisJCQkJX19hbGlnbmVkKHNpemVvZih1 bnNpZ25lZCBsb25nKSk7DQoNClNvbWV3aGVyZSB0aGVyZSBpcyBhIGNhc3QuLi4uLg0KDQoJRGF2 aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50 IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTcz ODYgKFdhbGVzKQ0K