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 B8254C433DB for ; Thu, 11 Mar 2021 16:52:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 373A664FE9 for ; Thu, 11 Mar 2021 16:52:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 373A664FE9 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 A62D18D02D0; Thu, 11 Mar 2021 11:52:25 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A39258D02B2; Thu, 11 Mar 2021 11:52:25 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8D9CC8D02D0; Thu, 11 Mar 2021 11:52:25 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0135.hostedemail.com [216.40.44.135]) by kanga.kvack.org (Postfix) with ESMTP id 741378D02B2 for ; Thu, 11 Mar 2021 11:52:25 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 25DF0181AC544 for ; Thu, 11 Mar 2021 16:52:25 +0000 (UTC) X-FDA: 77908186650.04.50BBAD2 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by imf20.hostedemail.com (Postfix) with ESMTP id 2358DF0 for ; Thu, 11 Mar 2021 16:52:19 +0000 (UTC) IronPort-SDR: opl1dc3XeuGD8bibqcH/fQfh2KF1/Zv5uwd+vhHv5aZS3VSOOnBTDs+fojUHhNSS1WCbmypCdV 7apvBJdTtzbw== X-IronPort-AV: E=McAfee;i="6000,8403,9920"; a="167972237" X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="167972237" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 08:52:14 -0800 IronPort-SDR: pLYlvNMkjbGeEf4DGOz05C1/jN6MKQ7sSXym97DOI81RuiFg9om+rbzMSFdenQWzFhhjJnrQPp Zt1HnO3fx8QA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="409545876" Received: from fmsmsx602.amr.corp.intel.com ([10.18.126.82]) by orsmga007.jf.intel.com with ESMTP; 11 Mar 2021 08:52:11 -0800 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx602.amr.corp.intel.com (10.18.126.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 11 Mar 2021 08:52:11 -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; Thu, 11 Mar 2021 08:52:10 -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 15.01.2106.013; Thu, 11 Mar 2021 08:52:10 -0800 From: "Luck, Tony" To: Andy Lutomirski , Aili Yao CC: Oleg Nesterov , Linux API , Andy Lutomirski , HORIGUCHI NAOYA , Dave Hansen , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , X86 ML , "yangfeng1@kingsoft.com" , Linux-MM , LKML , "sunhao2@kingsoft.com" Subject: RE: [PATCH v3] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Topic: [PATCH v3] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Index: AQHW+52QL4Na2ZzwuU6zOFVHHVSkcqpmUikAgAAvRAD//40+AIAC4sSAgAMSD4CAA5534IAAicMAgAKzWQCAAAergIAGtN8AgADz2wCAAI0/AP//fEfggACQgACAA46dgIAAAmIAgAB7hlA= Date: Thu, 11 Mar 2021 16:52:10 +0000 Message-ID: <0a0909a9005842fa9e49ba9917580e79@intel.com> References: <4fc1b4e8f1fb4c8c81f280db09178797@intel.com> <047D5B49-FDBB-494C-81E9-DA811476747D@amacapital.net> <20210311091941.45790fcf@alex-virtual-machine> In-Reply-To: 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 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2358DF0 X-Stat-Signature: gp13ruoxbxfkrj55b5yykrcu8a8xfcn7 Received-SPF: none (intel.com>: No applicable sender policy available) receiver=imf20; identity=mailfrom; envelope-from=""; helo=mga12.intel.com; client-ip=192.55.52.136 X-HE-DKIM-Result: none/none X-HE-Tag: 1615481539-279611 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: PiBJIHRoaW5rIHdlIG5lZWQgdG8gYXQgbGVhc3QgZml4IHRoZSBleGlzdGluZyBidWcgYmVmb3Jl IHdlIGFkZCBtb3JlDQo+IHNpZ25hbHMuICBBRkFJQ1MgdGhlIE1DRV9JTl9LRVJORUxfQ09QWUlO IGNvZGUgaXMgYnVzdGVkIGZvciBrZXJuZWwNCj4gdGhyZWFkcy4NCg0KQ2FuIGEga2VybmVsIHRo cmVhZCBkbyBnZXRfdXNlcigpIG9yIGNvcHlfZnJvbV91c2VyKCk/ICBEbyB3ZSBoYXZlIGtlcm5l bCB0aHJlYWRzDQp0aGF0IGhhdmUgYW4gYXNzb2NpYXRlZCB1c2VyIGFkZHJlc3Mgc3BhY2UgdG8g Y29weSBmcm9tPw0KDQotVG9ueQ0K