Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp4127013pxb; Mon, 1 Feb 2021 13:12:36 -0800 (PST) X-Google-Smtp-Source: ABdhPJyBucoegsXHkeoWSwEo7/vSCtnm5CvnuuK6J+ybTKAz4j4BcVBihrJS8+vZOq2vVJf+XgzY X-Received: by 2002:a50:9ee9:: with SMTP id a96mr20899089edf.343.1612213956126; Mon, 01 Feb 2021 13:12:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612213956; cv=none; d=google.com; s=arc-20160816; b=TNql8LtzzF08PbvzFVuWv7ufbdmmsuq6cOFT19Zky9G06+oXprtyAXjZt53HNe+F0n LG6Z3st5tkLdmJyZXaU6LwaToi3Pal7SbBIo5GzJdAtqvQJe1RuFHucHscHmu+at56M0 6ka1lvc9N0d4Y8/4+hr2dK7jFy/xM02iaqZEg3Ml2SIsmEVlSPKkYk1lUfWwGErzbRaP 5JSJ7kWr0vsQrbNY/Vk1BRXB+Rapj2AWGYcgqzCFIMUDG3ca9LJF0LT0rZerZxz42MzG +YBxqWOtTUhZ/G+UsC0oX346K5E54v6b4hXEhP7s2EmnHTE0YiNsVGCHdekN4kcPVA3c FAjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :dlp-version:dlp-reaction:dlp-product:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from:ironport-sdr:ironport-sdr; bh=ZEhQ32Qeccbfs8F7cHyqN1DPG6AHEZ5L/MIWsSU4J7s=; b=UXBELUAi6TqMCZIcd0PKzd8gCgAnFSKmZ10GyejLQFWj23L4xM1INOcEYsF0C7uJK5 rePo6s7OdzmHlCLiBK0LMa80r5N7wB5B+iwMXBMPHB+TTbtYeOURxi318cYJsYe8Vx8j JTfMAELVYUx8rvG+9lA72sdOJ71T+yUkIgwfNGWryv1K5gCpdhFXZbg7+rnjDFA8v2LW 4nwjSBYOyaQOxtzeHZHmTzOIZ0J58N/x25WWLPkFHCrqgb2iawZgXWBz93VrUqs9nWSv sQtINY1tc+ULyVQuHcmQ+KsBkQrPZkpPbNiIIe381eRykcKMDtprEoc3HtIayozyKQji pVcw== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dj14si10902488edb.210.2021.02.01.13.12.10; Mon, 01 Feb 2021 13:12:36 -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 S232023AbhBAVLM (ORCPT + 99 others); Mon, 1 Feb 2021 16:11:12 -0500 Received: from mga02.intel.com ([134.134.136.20]:21775 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231902AbhBAVLJ (ORCPT ); Mon, 1 Feb 2021 16:11:09 -0500 IronPort-SDR: p8tsT1L9ZwlZNz47yh8Lb0lOoaca1rC1vUvovSISOZkgtOAB3EmmcwM/wM6VrDAIgC6xUrj3kT +5GQfjGlFT8g== X-IronPort-AV: E=McAfee;i="6000,8403,9882"; a="167859662" X-IronPort-AV: E=Sophos;i="5.79,393,1602572400"; d="scan'208";a="167859662" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2021 13:10:28 -0800 IronPort-SDR: JBrvVlYaEPrZ5eMwLvz8utqqcr3uZmtAuXXLZHNag0iQa4y7z6znAth6M837rgpD6XCKI/3wfz v2cNV9gHItYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,393,1602572400"; d="scan'208";a="355923435" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by orsmga003.jf.intel.com with ESMTP; 01 Feb 2021 13:10:28 -0800 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 1 Feb 2021 13:10:27 -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 Feb 2021 13:10:27 -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 Feb 2021 13:10:27 -0800 From: "Luck, Tony" To: Andy Lutomirski , Aili Yao CC: Dave Hansen , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "naoya.horiguchi@nec.com" , "H. Peter Anvin" , X86 ML , "YANGFENG1@kingsoft.com" , Linux-MM , LKML Subject: RE: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Topic: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Index: AQHW+HK/MM24JfISB0eCQ1Snk3MNhapEDCKA///AFmA= Date: Mon, 1 Feb 2021 21:10:27 +0000 Message-ID: <2908aa061ff1494387a53128c6eadb61@intel.com> References: <20210201161749.0e8dc212.yaoaili@kingsoft.com> 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 PiBJbiBhbnkgY2FzZSwgdGhpcyBwYXRjaCBuZWVkcyByZWJhc2luZyBvbiB0b3Agb2YgbXkgYmln IGZhdWx0IHNlcmllcw0KDQpJcyB0aGF0IHNlcmllcyBpbiBzb21lIEdJVCB0cmVlPyBPciBjYW4g eW91IGdpdmUgYSBsb3JlLmtlcm5lbC5vcmcgbGluaz8NCg0KVGhhbmtzDQoNCi1Ub255DQo=