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[209.132.180.67]) by mx.google.com with ESMTP id u21si21326789oiv.267.2020.01.22.12.05.48; Wed, 22 Jan 2020 12:06:02 -0800 (PST) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727893AbgAVUDk (ORCPT + 99 others); Wed, 22 Jan 2020 15:03:40 -0500 Received: from mga03.intel.com ([134.134.136.65]:48784 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725911AbgAVUDj (ORCPT ); Wed, 22 Jan 2020 15:03:39 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jan 2020 12:03:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,350,1574150400"; d="scan'208";a="229481726" Received: from orsmsx108.amr.corp.intel.com ([10.22.240.6]) by orsmga006.jf.intel.com with ESMTP; 22 Jan 2020 12:03:30 -0800 Received: from orsmsx153.amr.corp.intel.com (10.22.226.247) by ORSMSX108.amr.corp.intel.com (10.22.240.6) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 22 Jan 2020 12:03:29 -0800 Received: from orsmsx114.amr.corp.intel.com ([169.254.8.4]) by ORSMSX153.amr.corp.intel.com ([169.254.12.111]) with mapi id 14.03.0439.000; Wed, 22 Jan 2020 12:03:29 -0800 From: "Luck, Tony" To: Borislav Petkov CC: Thomas Gleixner , "Christopherson, Sean J" , Peter Zijlstra , Ingo Molnar , "Yu, Fenghua" , "Ingo Molnar" , H Peter Anvin , "Raj, Ashok" , "Shankar, Ravi V" , linux-kernel , x86 Subject: RE: [PATCH v12] x86/split_lock: Enable split lock detection by kernel Thread-Topic: [PATCH v12] x86/split_lock: Enable split lock detection by kernel Thread-Index: AQHV0VV7/XPb/EW8oEGwDJr5iFh+Caf3kN+A//+HzdA= Date: Wed, 22 Jan 2020 20:03:28 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F7F5483E9@ORSMSX114.amr.corp.intel.com> References: <20191122105141.GY4114@hirez.programming.kicks-ass.net> <20191122152715.GA1909@hirez.programming.kicks-ass.net> <20191123003056.GA28761@agluck-desk2.amr.corp.intel.com> <20191125161348.GA12178@linux.intel.com> <20191212085948.GS2827@hirez.programming.kicks-ass.net> <20200110192409.GA23315@agluck-desk2.amr.corp.intel.com> <20200114055521.GI14928@linux.intel.com> <20200115222754.GA13804@agluck-desk2.amr.corp.intel.com> <20200115225724.GA18268@linux.intel.com> <20200122185514.GA16010@agluck-desk2.amr.corp.intel.com> <20200122190405.GA23947@zn.tnic> In-Reply-To: <20200122190405.GA23947@zn.tnic> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.22.254.140] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pj4gKyNkZWZpbmUgWDg2X0ZFQVRVUkVfU1BMSVRfTE9DS19ERVRFQ1QJKCA3KjMyKzMxKSAvKiAj QUMgZm9yIHNwbGl0IGxvY2sgKi8NCj4NCj4gVGhhdCB3b3JkIGlzIGFscmVhZHkgZnVsbCBpbiB0 aXA6DQo+IC4uLg0KPiB1c2Ugd29yZCAxMSBpbnN0ZWFkLg0KDQpXaWxsIHJlYmFzZSBhZ2FpbnN0 IHRpcC9tYXN0ZXIgYW5kIG1vdmUgdG8gd29yZCAxMS4NCg0KPj4gKyNkZWZpbmUgTVNSX0lBMzJf Q09SRV9DQVBBQklMSVRJRVMJCQkgIDB4MDAwMDAwY2YNCj4+ICsjZGVmaW5lIE1TUl9JQTMyX0NP UkVfQ0FQQUJJTElUSUVTX1NQTElUX0xPQ0tfREVURUNUX0JJVCAgNQ0KPj4gKyNkZWZpbmUgTVNS X0lBMzJfQ09SRV9DQVBBQklMSVRJRVNfU1BMSVRfTE9DS19ERVRFQ1QJICBCSVQoTVNSX0lBMzJf Q09SRV9DQVBBQklMSVRJRVNfU1BMSVRfTE9DS19ERVRFQ1RfQklUKQ0KPg0KPiBBbnkgY2hhbmNl IG1ha2luZyB0aG9zZSBzaG9ydGVyPw0KDQpJIGNvdWxkIGFiYnJldmlhdGUgQ0FQQUJJTElUSUVT IGFzICJDQVAiLCB0aGF0IHdvdWxkIHNhdmUgOSBjaGFyYWN0ZXJzLiBJcyB0aGF0IGVub3VnaD8N Cg0KSSdtIG5vdCBmb25kIG9mIHRoZSAicmVtb3ZlIHRoZSB2b3dlbHMiOiBTUExUX0xDS19EVENU LCBidXQgdGhhdCBpcyBzb3J0IG9mIHJlYWRhYmxlDQphbmQgd291bGQgc2F2ZSA0IG1vcmUuIFdo YXQgZG8geW91IHRoaW5rPw0KDQotVG9ueQ0K