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=-3.8 required=3.0 tests=BAYES_00, 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 698FEC433DB for ; Fri, 8 Jan 2021 23:20:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EEE9A23A9B for ; Fri, 8 Jan 2021 23:20:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EEE9A23A9B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 17C4B6B0249; Fri, 8 Jan 2021 18:20:51 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 12F2D6B024B; Fri, 8 Jan 2021 18:20:51 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 042276B024D; Fri, 8 Jan 2021 18:20:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0018.hostedemail.com [216.40.44.18]) by kanga.kvack.org (Postfix) with ESMTP id E4CE86B0249 for ; Fri, 8 Jan 2021 18:20:50 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id AED1E281F for ; Fri, 8 Jan 2021 23:20:50 +0000 (UTC) X-FDA: 77684179860.06.value64_240c0f4274f6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id 85A1A1003337D for ; Fri, 8 Jan 2021 23:20:50 +0000 (UTC) X-HE-Tag: value64_240c0f4274f6 X-Filterd-Recvd-Size: 3234 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by imf27.hostedemail.com (Postfix) with ESMTP for ; Fri, 8 Jan 2021 23:20:49 +0000 (UTC) IronPort-SDR: 5/ZWD25nb5FufcXnvZxWhjX1ewbq8uILaj8n4Vw8ZtIdNZ3j+7bMP5b6LJiLcAlEv43uEcASJ3 xIKuser45rSg== X-IronPort-AV: E=McAfee;i="6000,8403,9858"; a="262442861" X-IronPort-AV: E=Sophos;i="5.79,333,1602572400"; d="scan'208";a="262442861" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2021 15:20:47 -0800 IronPort-SDR: XEqiajOjlWKN1/TtNMQNlPeAgQ4e90e5AfWK4VDr2Slw4kJUdOjSJZgp2loe2nG2Pt3HckthJW Y5HgT1fPuzGQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,333,1602572400"; d="scan'208";a="568220165" Received: from fmsmsx605.amr.corp.intel.com ([10.18.126.85]) by fmsmga006.fm.intel.com with ESMTP; 08 Jan 2021 15:20:47 -0800 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx605.amr.corp.intel.com (10.18.126.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Fri, 8 Jan 2021 15:20:47 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx612.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Fri, 8 Jan 2021 15:20:47 -0800 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.1713.004; Fri, 8 Jan 2021 15:20:47 -0800 From: "Luck, Tony" To: Peter Zijlstra CC: Borislav Petkov , "x86@kernel.org" , "Andrew Morton" , Darren Hart , Andy Lutomirski , "linux-kernel@vger.kernel.org" , "linux-edac@vger.kernel.org" , "linux-mm@kvack.org" Subject: RE: [PATCH 2/2] futex, x86/mce: Avoid double machine checks Thread-Topic: [PATCH 2/2] futex, x86/mce: Avoid double machine checks Thread-Index: AQHW5gzS994+pBz0+EqmRhsWwoX/Iaoe2m6A//9/AZCAAIi+gP//exEg Date: Fri, 8 Jan 2021 23:20:46 +0000 Message-ID: <1cfc2ca781a24d658063c20829a54f9c@intel.com> References: <20210108222251.14391-1-tony.luck@intel.com> <20210108222251.14391-3-tony.luck@intel.com> <20210108224715.GB2453@worktop.programming.kicks-ass.net> <4493a015ffcd4d82bbea7d1e5c2e73e4@intel.com> <20210108231459.GC2453@worktop.programming.kicks-ass.net> In-Reply-To: <20210108231459.GC2453@worktop.programming.kicks-ass.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.026042, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > Yeah, saw that, but that should be trivially fixable I'm thinking. Trivial, maybe ... but then follows the audit of other get_user() calls: git grep get_user\( | wc -l 2003 :-( -Tony