Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp80206yba; Fri, 5 Apr 2019 02:23:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqxpaoapCabRhX9AK/2NJhGPiYrVUz2hPqRKnKrLz5ZesMHgt+/B3oUiglC4qzUkc8G0Q959 X-Received: by 2002:a63:fa46:: with SMTP id g6mr10754477pgk.382.1554456228141; Fri, 05 Apr 2019 02:23:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1554456228; cv=none; d=google.com; s=arc-20160816; b=NHsBr0BqK2hRnfPUspXc2swmtpdiRyESqlZO3WhxTHlG23jX78TGAQ2hcrQYyPcdSq ssRocnZcPWHY7cU9xFsABq4wT+H41dyZXZszuhuDVMmtAJND8QCBRTtFgdFs/eqyL3gD WZaXOr2ljPi/Jnk9OOjr50ZZPNncgirRRiNt5lv5ChoVaquiyD12RKSYoBlyWoHll4Uc nBE2Yix/tx9lq0hxtD5gt3s8TL8BeSDeFGj3Cp8tIAUTsaSfM5U6oBqIePBQ/aaNEZLK jYNlojMHiJj3VNgQNQR1e10LOdj9KjAsU0UD3Nq3GNjPD+LN1hNFeg7+mb6Gi2E3dFKd McSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from; bh=LzfG/cdKSW0FzE9+4PGk9cmZh3TbjEEnPYIw9l+QxEM=; b=0bE7lYXuMNgqHl6SeLTmPaAPn5JubsFpHuEq0P6WIOLP9R3xwSuHg7jAVM/4Hx+QmI wXU1sJXRx5Y7/vlBlGAWGMGtKaYz3u1B14rv35VVw8PBFonsCdKSzgHF9ekl9JIkpDNa Pc7fp/rWS9sunkqYuavtIzZOX+R4EAhYXxJqzdIkkxsN+TxVbRQJfyZ/EgpKIQFDBReJ 7lu3cj/frw6+GcfGrFqIKYxbrE2YoTAB8v6ysbwkd0rr2siQk/t7o44ans3CNWRVRsf5 NdnvZ6+24MMTIRcFkISBTpUekIXzj9ktR9fEUleH/Fe55HDMOAOUATIm4hYKTklsXjOk E3zQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a13si19594841pfn.70.2019.04.05.02.23.32; Fri, 05 Apr 2019 02:23:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730544AbfDEJWz (ORCPT + 99 others); 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