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[23.128.96.18]) by mx.google.com with ESMTP id e21si213740edy.284.2021.02.02.16.54.32; Tue, 02 Feb 2021 16:54:56 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S234714AbhBBWNB (ORCPT + 99 others); Tue, 2 Feb 2021 17:13:01 -0500 Received: from mga17.intel.com ([192.55.52.151]:43374 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234706AbhBBWMv (ORCPT ); Tue, 2 Feb 2021 17:12:51 -0500 IronPort-SDR: 00h68qkAOAN9KnAySTFuQOExcvsjkdOMyl8dujB2FyMLCwShaqyhjk4SaQwsXJj3UKxDU5kkti xsF43/Bbs6wA== X-IronPort-AV: E=McAfee;i="6000,8403,9883"; a="160704518" X-IronPort-AV: E=Sophos;i="5.79,396,1602572400"; d="scan'208";a="160704518" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2021 14:12:07 -0800 IronPort-SDR: w126W91cTxhj9RDnAU3n/zMgWaUBBy6DDJyPibqCceUyqSoGT4ZpmHZyvkdqEklQvd4+cWeeUX X0kaj3ozw/aw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,396,1602572400"; d="scan'208";a="579200629" Received: from fmsmsx605.amr.corp.intel.com ([10.18.126.85]) by fmsmga006.fm.intel.com with ESMTP; 02 Feb 2021 14:12:07 -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 15.1.2106.2; Tue, 2 Feb 2021 14:12:06 -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 15.1.2106.2; Tue, 2 Feb 2021 14:12:06 -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 15.01.2106.002; Tue, 2 Feb 2021 14:12:06 -0800 From: "Luck, Tony" To: Borislav Petkov CC: "x86@kernel.org" , Andrew Morton , Peter Zijlstra , "Darren Hart" , Andy Lutomirski , "linux-kernel@vger.kernel.org" , "linux-edac@vger.kernel.org" , "linux-mm@kvack.org" Subject: RE: [PATCH v5] x86/mce: Avoid infinite loop for copy from user recovery Thread-Topic: [PATCH v5] x86/mce: Avoid infinite loop for copy from user recovery Thread-Index: AQHW820jWhd/BlkCukOtPpk65S5gH6o6RPEAgAA7fACAA1zygIAF1CqAgAGTOQD//8zdUIAA3A0A//+LxOA= Date: Tue, 2 Feb 2021 22:12:06 +0000 Message-ID: <6e719355ea7f472e94b5bd45105c7ebe@intel.com> References: <20210119235759.GA9970@agluck-desk2.amr.corp.intel.com> <20210120121812.GF825@zn.tnic> <20210121210959.GA10304@agluck-desk2.amr.corp.intel.com> <20210125225509.GA7149@agluck-desk2.amr.corp.intel.com> <20210126110314.GC6514@zn.tnic> <20210126223605.GA14355@agluck-desk2.amr.corp.intel.com> <20210128175735.GB2120@zn.tnic> <20210201185812.GA54867@agluck-desk2.amr.corp.intel.com> <20210202110126.GB18075@zn.tnic> <20210202210600.GF18075@zn.tnic> In-Reply-To: <20210202210600.GF18075@zn.tnic> 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="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBTbyB0aGF0ICJzeXN0ZW0gaGFuZyBvciBwYW5pYyIgd2hpY2ggdGhlIHZhbGlkYXRpb24gZm9s a3MgdHJpZ2dlcmVkLA0KPiB0aGF0IGNhbm5vdCBiZSByZXByb2R1Y2VkIGFueW1vcmU/IERpZCB0 aGV5IHJ1biB0aGUgbGF0ZXN0IHZlcnNpb24gb2YNCj4gdGhlIHBhdGNoPw0KDQpJIHdpbGwgZ2V0 IHRoZSB2YWxpZGF0aW9uIGZvbGtzIHRvIHJ1biB0aGUgbGF0ZXN0IHZlcnNpb24gKGFuZCBwbGF5 IGFyb3VuZCB3aXRoDQpoeXBlcnRocmVhZGluZyBpZiB0aGV5IHNlZSBwcm9ibGVtcykuDQoNCi1U b255DQo=