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 BB247C32771 for ; Wed, 22 Jan 2020 23:24:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A5F12253D for ; Wed, 22 Jan 2020 23:24:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726170AbgAVXYg (ORCPT ); Wed, 22 Jan 2020 18:24:36 -0500 Received: from mga17.intel.com ([192.55.52.151]:23094 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725943AbgAVXYg (ORCPT ); Wed, 22 Jan 2020 18:24:36 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jan 2020 15:24:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,351,1574150400"; d="scan'208";a="375062915" Received: from orsmsx102.amr.corp.intel.com ([10.22.225.129]) by orsmga004.jf.intel.com with ESMTP; 22 Jan 2020 15:24:35 -0800 Received: from orsmsx157.amr.corp.intel.com (10.22.240.23) by ORSMSX102.amr.corp.intel.com (10.22.225.129) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 22 Jan 2020 15:24:35 -0800 Received: from orsmsx114.amr.corp.intel.com ([169.254.8.4]) by ORSMSX157.amr.corp.intel.com ([169.254.9.76]) with mapi id 14.03.0439.000; Wed, 22 Jan 2020 15:24:35 -0800 From: "Luck, Tony" To: Arvind Sankar CC: Thomas Gleixner , "Christopherson, Sean J" , Peter Zijlstra , Ingo Molnar , "Yu, Fenghua" , "Ingo Molnar" , Borislav Petkov , 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+Caf3zf+A//+EAFA= Date: Wed, 22 Jan 2020 23:24:34 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F7F54887A@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> <20200122224245.GA2331824@rani.riverdale.lan> In-Reply-To: <20200122224245.GA2331824@rani.riverdale.lan> 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 Pj4gK3N0YXRpYyBlbnVtIHNwbGl0X2xvY2tfZGV0ZWN0X3N0YXRlIHNsZF9zdGF0ZSA9IHNsZF93 YXJuOw0KPj4gKw0KPg0KPiBUaGlzIHNldHMgc2xkX3N0YXRlIHRvIHNsZF93YXJuIGV2ZW4gb24g Q1BVcyB0aGF0IGRvbid0IHN1cHBvcnQNCj4gc3BsaXQtbG9jayBkZXRlY3Rpb24uIHNwbGl0X2xv Y2tfaW5pdCB3aWxsIHRoZW4gdHJ5IHRvIHJlYWQvd3JpdGUgdGhlDQo+IE1TUiB0byB0dXJuIGl0 IG9uLiBXb3VsZCBpdCBiZSBiZXR0ZXIgdG8gaW5pdGlhbGl6ZSBpdCB0byBzbGRfb2ZmIGFuZA0K PiBzZXQgaXQgdG8gc2xkX3dhcm4gaW4gc3BsaXRfbG9ja19zZXR1cCBpbnN0ZWFkLCB3aGljaCBp cyBvbmx5IGNhbGxlZCBpZg0KPiB0aGUgQ1BVIHN1cHBvcnRzIHRoZSBmZWF0dXJlPw0KDQpJJ3Zl IGxvc3Qgc29tZSBiaXRzIG9mIHRoaXMgcGF0Y2ggc2VyaWVzIHNvbWV3aGVyZSBhbG9uZyB0aGUg d2F5IDotKCAgVGhlcmUNCndhcyBvbmNlIGNvZGUgdG8gZGVjaWRlIHdoZXRoZXIgdGhlIGZlYXR1 cmUgd2FzIHN1cHBvcnRlZCAoZWl0aGVyIHdpdGgNCng4Nl9tYXRjaF9jcHUoKSBmb3IgYSBjb3Vw bGUgb2YgbW9kZWxzLCBvciB1c2luZyB0aGUgYXJjaGl0ZWN0dXJhbCB0ZXN0DQpiYXNlZCBvbiBz b21lIE1TUiBiaXRzLiAgSSBuZWVkIHRvIGRpZyB0aGF0IG91dCBhbmQgcHV0IGl0IGJhY2sgaW4u IFRoZW4NCnN0dWZmIGNhbiBjaGVjayBYODZfRkVBVFVSRV9TUExJVF9MT0NLIGJlZm9yZSB3YW5k ZXJpbmcgaW50byBjb2RlDQp0aGF0IG1lc3NlcyB3aXRoIE1TUnMNCg0KPj4gKwlpZiAoIXNwbGl0 X2xvY2tfZGV0ZWN0X2VuYWJsZWQoKSkNCj4+ICsJCXJldHVybjsNCj4NCj4gVGhpcyBtaXNzZXMg b25lIGNvbW1lbnQgZnJvbSBTZWFuIFsxXSB0aGF0IHRoaXMgY2hlY2sgc2hvdWxkIGJlIGRyb3Bw ZWQsDQo+IG90aGVyd2lzZSB1c2VyLXNwYWNlIGFsaWdubWVudCBjaGVjayB2aWEgRUZMQUdTLkFD IHdpbGwgZ2V0IGlnbm9yZWQgd2hlbg0KPiBzcGxpdCBsb2NrIGRldGVjdGlvbiBpcyBkaXNhYmxl ZC4NCg0KQWggeWVzLiBHb29kIGNhdGNoLiAgV2lsbCBmaXguDQoNClRoYW5rcyBmb3IgdGhlIHJl dmlldy4NCg0KLVRvbnkNCg==