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 A3AAFC4360F for ; Thu, 4 Apr 2019 16:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78563206BA for ; Thu, 4 Apr 2019 16:23:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729086AbfDDQXM (ORCPT ); Thu, 4 Apr 2019 12:23:12 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:41457 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727353AbfDDQXL (ORCPT ); Thu, 4 Apr 2019 12:23:11 -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-152-tcrawFhSMySPDwlHVrKWFw-1; Thu, 04 Apr 2019 17:23:09 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 4 Apr 2019 17:24:15 +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; Thu, 4 Apr 2019 17:24:15 +0100 From: David Laight To: David Laight , 'Fenghua Yu' , 'Thomas Gleixner' , 'Ingo Molnar' , 'Borislav Petkov' , 'H Peter Anvin' , 'Dave Hansen' , 'Paolo Bonzini' , 'Ashok Raj' , 'Peter Zijlstra' , 'Kalle Valo' , 'Xiaoyao Li ' , 'Michael Chan' , "'Ravi V Shankar'" CC: '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: AQHU6mTrt6127B4KeUCFmArv0ksdfKYsEdZAgAAdv4A= Date: Thu, 4 Apr 2019 16:24:15 +0000 Message-ID: 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: <73ecc9de54c3424da3cddd1a34cb8701@AcuMS.aculab.com> 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: tcrawFhSMySPDwlHVrKWFw-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 RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDA0IEFwcmlsIDIwMTkgMTU6NDUNCj4gDQo+IEZy b206IEZlbmdodWEgWXUNCj4gPiBTZW50OiAwMyBBcHJpbCAyMDE5IDIyOjIyDQo+ID4gc2V0X2Nw dV9jYXAoKSBjYWxscyBsb2NrZWQgQlRTIGFuZCBjbGVhcl9jcHVfY2FwKCkgY2FsbHMgbG9ja2Vk IEJUUiB0bw0KPiA+IG9wZXJhdGUgb24gYml0bWFwIGRlZmluZWQgaW4geDg2X2NhcGFiaWxpdHku DQo+ID4NCj4gPiBMb2NrZWQgQlRTL0JUUiBhY2Nlc3NlcyBhIHNpbmdsZSB1bnNpZ25lZCBsb25n IGxvY2F0aW9uLiBJbiA2NC1iaXQgbW9kZSwNCj4gPiB0aGUgbG9jYXRpb24gaXMgYXQ6DQo+ID4g YmFzZSBhZGRyZXNzIG9mIHg4Nl9jYXBhYmlsaXR5ICsgKGJpdCBvZmZzZXQgaW4geDg2X2NhcGFi aWxpdHkgLyA2NCkgKiA4DQo+ID4NCj4gPiBTaW5jZSBiYXNlIGFkZHJlc3Mgb2YgeDg2X2NhcGFi aWxpdHkgbWF5IG5vdCBiZSBhbGlnbmVkIHRvIHVuc2lnbmVkIGxvbmcsDQo+ID4gdGhlIHNpbmds ZSB1bnNpZ25lZCBsb25nIGxvY2F0aW9uIG1heSBjcm9zcyB0d28gY2FjaGUgbGluZXMgYW5kDQo+ ID4gYWNjZXNzaW5nIHRoZSBsb2NhdGlvbiBieSBsb2NrZWQgQlRTL0JUUiBpbnRyb2R1Y3Rpb25z IHdpbGwgdHJpZ2dlciAjQUMuDQo+IA0KPiBUaGF0IGlzIG5vdCB0cnVlLg0KPiBUaGUgQlRTL0JU UiBpbnN0cnVjdGlvbnMgYWNjZXNzIHRoZSBtZW1vcnkgd29yZCB0aGF0IGNvbnRhaW5zIHRoZQ0K PiBleHBlY3RlZCBiaXQuDQo+IFRoZSAnb3BlcmFuZCBzaXplJyBvbmx5IGFmZmVjdHMgdGhlIHNp emUgb2YgdGhlIHJlZ2lzdGVyIHVzZSBmb3IgdGhlDQo+IGJpdCBvZmZzZXQuDQo+IElmIHRoZSAn b3BlcmFuZCBzaXplJyBpcyAxNiBiaXRzIHdpZGUgKCsvLSAzMmsgYml0IG9mZnNldCkgdGhlIGNw dSBtaWdodA0KPiBkbyBhbiBhbGlnbmVkIDE2Yml0IG1lbW9yeSBhY2Nlc3MsIG90aGVyd2lzZSAo MzIgb3IgNjRiaXQgYml0IG9mZnNldCkgaXQNCj4gbWlnaHQgZG8gYW4gYWxpZ25lZCAzMiBiaXQg YWNjZXNzLg0KPiBJdCBzaG91bGQgbmV2ZXIgZG8gYW4gNjRiaXQgYWNjZXNzIGFuZCBuZXZlciBh IG1pc2FsaWduZWQgb25lIChldmVuIGlmDQo+IHRoZSBiYXNlIGFkZHJlc3MgaXMgbWlzYWxpZ25l ZCkuDQoNCkhtbW0uLi4gSSBtYXkgaGF2ZSBtaXNyZWFkIHRoaW5ncyBzbGlnaHRseS4NClRoZSBh Y2Nlc3NlZCBhZGRyZXNzIGlzICdFZmZlY3RpdmUgQWRkcmVzcyArICg0IOKIlyAoQml0T2Zmc2V0 IERJViAzMikpJy4NCkhvd2V2ZXIgbm90aGluZyBzdWdnZXN0cyB0aGF0IGl0IGV2ZXIgZG9lcyA2 NGJpdCBhY2Nlc3Nlcy4NCg0KSWYgaXQgZG9lcyBkbyA2NGJpdCBhY2Nlc3NlcyB3aGVuIHRoZSBv cGVyYW5kIHNpemUgaXMgNjQgYml0cyB0aGVuIHRoZQ0KYXNtIHN0dWJzIG91Z2h0IHRvIGJlIGNo YW5nZWQgdG8gb25seSBzcGVjaWZ5IDMyYml0IG9wZXJhbmQgc2l6ZS4NCg0KCURhdmlkDQoNCi0N ClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBN aWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxl cykNCg==