Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp3902081ybc; Thu, 21 Nov 2019 15:58:04 -0800 (PST) X-Google-Smtp-Source: APXvYqxvEAFYK5XiT6dhJBVlJ7SDOUfnKVDt5ItRObfsI1mYcmnXVTl8RPctD7hOnT68fikCsx26 X-Received: by 2002:a17:906:6d04:: with SMTP id m4mr3252018ejr.52.1574380684198; Thu, 21 Nov 2019 15:58:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574380684; cv=none; d=google.com; s=arc-20160816; b=VUISKMir0xqFbvJBmYCYgZ/4M5V0b64ctzwCfe1XBIddl5cdjpO2GLY2/TLLb3azAW 3o4+taVJT4OUuqsm9teWHkW/gZrpil7/TtPHLY4nVoKyFXO/V8o2Cbb6EzrD7iFkNdyF qsqqoYFVzSJnUN5O6phAil7dzuq+PCnt2NMcWRkdA6nyt7UtrLdJHEf1g+dXNuxdMPqs 7EiwAA8fx53j3EzmjTHI/d8Lme9WgoaEu17UG8cJWQvtPF4epLG3EEsTGZa5YUBcW2JY oJGUJXft+ejubrgUVJ15uEqpjHkknoETM4pUEeWzAew4v9cDXu96+GUYHDoiV06H7L7h AMtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :dlp-reaction:dlp-version:dlp-product:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from; bh=pdogs4r+Ac8ybM3XBpA3oG+/fb6kEJpECUFZ0bTpsZY=; b=uvE+UF9XYK8BjysBssxgi6ehW2KW6ki/mCK0Hn8JpOPRNhOyIGJJFZ0Ti153bUAdih oYdtM3OiqsNmOxr6IdDu4Hg7Gn/J0a/igsRFfUyMkhCxa8i0Ix++vF2kr5UthGrqVrd8 9py+5J50kJM6RaDDSClWT8YAGH6kyXh4IIIqA2+XkZICrhmALEyHlUCVDFo1MHANWWd6 UKXXSCVYqyl1vj2W13ZnKe3bAT6jjDSuk8nBy0WH+bJZwTn5s4LQInfoYN0bRRgOtS0a YPLPDC/pKdMj4KteC8RnanWmEROib7uhm7m73AM1cyFMaRuoQ/CY202eTJN3LsoGgQX0 oxiA== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c5si3207882eds.263.2019.11.21.15.57.38; Thu, 21 Nov 2019 15:58:04 -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 S1726750AbfKUXzv (ORCPT + 99 others); Thu, 21 Nov 2019 18:55:51 -0500 Received: from mga04.intel.com ([192.55.52.120]:11778 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725956AbfKUXzv (ORCPT ); Thu, 21 Nov 2019 18:55:51 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Nov 2019 15:55:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,227,1571727600"; d="scan'208";a="219273102" Received: from orsmsx102.amr.corp.intel.com ([10.22.225.129]) by orsmga002.jf.intel.com with ESMTP; 21 Nov 2019 15:55:49 -0800 Received: from orsmsx115.amr.corp.intel.com ([169.254.4.121]) by ORSMSX102.amr.corp.intel.com ([169.254.3.246]) with mapi id 14.03.0439.000; Thu, 21 Nov 2019 15:55:49 -0800 From: "Luck, Tony" To: Andy Lutomirski CC: Peter Zijlstra , Ingo Molnar , "Yu, Fenghua" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , "Raj, Ashok" , "Shankar, Ravi V" , linux-kernel , x86 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: AQHVoA1uR0NpEjA1wUmtm7eAgTQzs6eVqSUAgAB0jYCAAAPEAIAAChQAgACPToD//3rs4IAAlEkA//+D1pA= Date: Thu, 21 Nov 2019 23:55:49 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F7F4DC3BE@ORSMSX115.amr.corp.intel.com> References: <3908561D78D1C84285E8C5FCA982C28F7F4DC167@ORSMSX115.amr.corp.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNzFiMjk2MmUtOTBlMy00MTEzLTlkMmMtNTc3MjAyZjE2MDJlIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoienpGdTRZY3VRTytrbGFzSGpYSjJuQVp2cFZqaXpUUkVSUHR5aUxhQ3pLYXNNbWpzZGVBNDAwU2cyUDhHS1puViJ9 x-ctpclassification: CTP_NT 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 PiBDb3VsZCB3ZSBwYXNzIGl0IHRocm91Z2ggaWYgdGhlIGhvc3QgaGFzIG5vIEhUPyAgRGVidWdn aW5nIGlzICpzbyogbXVjaCBlYXNpZXIgaW4gYSBWTS4gIEFuZCBIVCBpcyBhIGJpdCBkdWJpb3Vz IHRoZXNlIGRheXMgYW55d2F5Lg0KDQpTdXJlIC4uLiB3ZSBjYW4gbG9vayBhdCBkb2luZyB0aGF0 IGluIGEgZnV0dXJlIHNlcmllcyBvbmNlIHdlIGdldCB0byBhZ3JlZW1lbnQgb24gdGhlIGZvdW5k YXRpb24gcGllY2VzLg0KDQotVG9ueQ0K