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 8F125C433E0 for ; Tue, 2 Mar 2021 02:26:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A0C161477 for ; Tue, 2 Mar 2021 02:26:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235993AbhCBBQQ (ORCPT ); Mon, 1 Mar 2021 20:16:16 -0500 Received: from mga07.intel.com ([134.134.136.100]:33937 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240192AbhCATFg (ORCPT ); Mon, 1 Mar 2021 14:05:36 -0500 IronPort-SDR: NfwZ2JfSP9lJwj1lHbw7T6LGMl9FFrzkRYrqvQfnLfpiLdb7VY5fKGRgjFKJi0QZJnFZL15iWc DQZrjQ2wenoA== X-IronPort-AV: E=McAfee;i="6000,8403,9910"; a="250618511" X-IronPort-AV: E=Sophos;i="5.81,215,1610438400"; d="scan'208";a="250618511" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Mar 2021 11:02:43 -0800 IronPort-SDR: q7Fb6bLx0pGKZSEn++bEkzupajJoYjF3dlZVBtyb2X6Hp/uhmuo5ZigaA87XtJXqSo8skhWzi3 ppfuMjt1dxNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,215,1610438400"; d="scan'208";a="517545598" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by orsmga004.jf.intel.com with ESMTP; 01 Mar 2021 11:02:42 -0800 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx604.amr.corp.intel.com (10.18.126.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 1 Mar 2021 11:02:42 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 1 Mar 2021 11:02:41 -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; Mon, 1 Mar 2021 11:02:41 -0800 From: "Luck, Tony" To: Andy Lutomirski , Aili Yao CC: =?utf-8?B?SE9SSUdVQ0hJIE5BT1lBKCDloIDlj6Mg55u05LmfKQ==?= , Dave Hansen , "Peter Zijlstra" , Thomas Gleixner , "Ingo Molnar" , Borislav Petkov , "H. Peter Anvin" , X86 ML , "yangfeng1@kingsoft.com" , Linux-MM , LKML 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+AIAC4sSAgAMSD4CAA5534A== Date: Mon, 1 Mar 2021 19:02:41 +0000 Message-ID: <8d0c76f97f35499f91a2b82d3e7c024d@intel.com> References: <20210223204436.1df73153@alex-virtual-machine> <788DFBA0-903F-4548-9C2F-B1A1543EE770@amacapital.net> <20210223164259.GA166727@agluck-desk2.amr.corp.intel.com> <20210225124711.35b31965@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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBTb21lIHByb2dyYW1zIG1heSB1c2UgcmVhZCgyKSwgd3JpdGUoMiksIGV0YyBhcyB3YXlzIHRv IGNoZWNrIGlmDQo+IG1lbW9yeSBpcyB2YWxpZCB3aXRob3V0IGdldHRpbmcgYSBzaWduYWwuICBU aGV5IG1pZ2h0IG5vdCB3YW50DQo+IHNpZ25hbHMsIHdoaWNoIG1lYW5zIHRoYXQgdGhpcyBmZWF0 dXJlIG1pZ2h0IG5lZWQgdG8gYmUgY29uZmlndXJhYmxlLg0KDQpUaGF0IHNvdW5kcyBsaWtlIGFu IGFwcGFsbGluZyBoYWNrLiBJZiB1c2VycyBuZWVkIHN1Y2ggYSBtZWNoYW5pc20NCndlIHNob3Vs ZCBjcmVhdGUgc29tZSBiZXR0ZXIgd2F5IHRvIGRvIHRoYXQuDQoNCkFuIGFlb24gYWdvIEFDUEkg Y3JlYXRlZCB0aGUgUkFTRiB0YWJsZSBhcyBhIHdheSBmb3IgdGhlIE9TIHRvDQphc2sgdGhlIHBs YXRmb3JtIHRvIHNjYW4gYSBibG9jayBvZiBwaHlzaWNhbCBtZW1vcnkgdXNpbmcgdGhlIHBhdHJv bA0Kc2NydWJiZXIgaW4gdGhlIG1lbW9yeSBjb250cm9sbGVyLiAgSSBuZXZlciBkaWQgYW55dGhp bmcgd2l0aCBpdCBpbiBMaW51eA0KYmVjYXVzZSBpdCB3YXMganVzdCB0b28gY29tcGxleCBhbmQg ZGlkbid0IGtub3cgb2YgYW55IHVzZSBjYXNlcy4NCg0KVXNlcnMgd291bGQgd2FudCB0byBjaGVj ayB2aXJ0dWFsIGFkZHJlc3Nlcy4gUGVyaGFwcyBzb21lIG5ldw0Kb3B0aW9uIE1BRFZfQ0hFQ0tG T1JQT0lTT04gdG8gbWFkdmlzZSgyKSA/DQoNCi1Ub255DQo=