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 3D5EEC43603 for ; Thu, 12 Dec 2019 16:23:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A0F7214AF for ; Thu, 12 Dec 2019 16:23:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729899AbfLLQXa (ORCPT ); Thu, 12 Dec 2019 11:23:30 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:28329 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729809AbfLLQX3 (ORCPT ); Thu, 12 Dec 2019 11:23:29 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-221-WVyEuAo8NiemHoq8iN0FNA-1; Thu, 12 Dec 2019 16:23:26 +0000 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; Thu, 12 Dec 2019 16:23:25 +0000 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, 12 Dec 2019 16:23:25 +0000 From: David Laight To: 'Andy Lutomirski' , Peter Zijlstra CC: "Luck, Tony" , Andy Lutomirski , "Yu, Fenghua" , Ingo Molnar , "Thomas Gleixner" , Ingo Molnar , "Borislav Petkov" , H Peter Anvin , "Raj, Ashok" , "Shankar, Ravi V" , linux-kernel , x86 , "Will Deacon" Subject: RE: [PATCH v10 6/6] x86/split_lock: Enable split lock detection by kernel parameter Thread-Topic: [PATCH v10 6/6] x86/split_lock: Enable split lock detection by kernel parameter Thread-Index: AQHVsQWE6yBAo1s5f0Kws0hZvGpx8qe2riCg Date: Thu, 12 Dec 2019 16:23:25 +0000 Message-ID: References: <20191212130421.GX2827@hirez.programming.kicks-ass.net> 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: WVyEuAo8NiemHoq8iN0FNA-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 RnJvbTogQW5keSBMdXRvbWlyc2tpDQo+IFNlbnQ6IDEyIERlY2VtYmVyIDIwMTkgMTY6MDINCi4u Lg0KPiBNRkVOQ0UgYWxzbyBpbXBsaWVzIExGRU5DRSwgYW5kIExGRU5DRSBpcyBmYWlybHkgc2xv dyBkZXNwaXRlIGhhdmluZyBubyBhcmNoaXRlY3R1cmFsIHNlbWFudGljcyBvdGhlciB0aGFuIGJs b2NraW5nIHNwZWN1bGF0aXZlDQo+IGV4ZWN1dGlvbi4gQUZBSUNULCBpbiB0aGUgYWJzZW5jZSBv ZiBzaWRlIGNoYW5uZWxzIHRpbWluZyBvZGRpdGllcywgdGhlcmUgaXMgbm8gY29kZSB3aGF0c29l dmVyIHRoYXQgd291bGQgYmUgY29ycmVjdCB3aXRoIExGRU5DRQ0KPiBidXQgaW5jb3JyZWN0IHdp dGhvdXQgaXQuIOKAnFNlcmlhbGl6YXRpb27igJ0gaXMsIHRvIHNvbWUgZXh0ZW50LCBhIHdlYWtl ciBleGFtcGxlIG9mIHRoaXMg4oCUIE1PViB0byBDUjIgaXMgKm11Y2gqIHNsb3dlciB0aGFuIE1G RU5DRSBvcg0KPiBMT0NLIGRlc3BpdGUgdGhlIGZhY3QgdGhhdCwgYXMgZmFyIGFzIHRoZSBtZW1v cnkgbW9kZWwgaXMgY29uY2VybmVkLCBpdCBkb2VzbuKAmXQgZG8gYSB3aG9sZSBsb3QgbW9yZS4N Cg0KSUlSQyBMRkVOQ0UgZG9lcyBhZmZlY3QgdGhpbmdzIHdoZW4geW91IGFyZSBtaXhpbmcgbm9u LXRlbXBvcmFsIGFuZC9vciB3cml0ZS1jb21iaW5pbmcNCm1lbW9yeSBhY2Nlc3Nlcy4NCg0KSSBh bHNvIHRob3VnaHQgdGhlcmUgd2FzIGEgY2FzZSB3aGVyZSB5b3UgbmVlZGVkIHRvIHN0b3AgdGhl IHNwZWN1bGF0aXZlIHJlYWRzLg0KQnV0IGNhbid0IHJlbWVtYmVyIHdoeS4NCg0KCURhdmlkDQoN Ci0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJt LCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChX YWxlcykNCg==