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 A9A35C433DB for ; Mon, 8 Mar 2021 18:31:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2B1FC6518A for ; Mon, 8 Mar 2021 18:31:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B1FC6518A 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 89EBB8D005D; Mon, 8 Mar 2021 13:31:51 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 874748D005C; Mon, 8 Mar 2021 13:31:51 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7159A8D005D; Mon, 8 Mar 2021 13:31:51 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0102.hostedemail.com [216.40.44.102]) by kanga.kvack.org (Postfix) with ESMTP id A3E378D005C for ; Mon, 8 Mar 2021 13:31:50 -0500 (EST) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 68AA28249980 for ; Mon, 8 Mar 2021 18:31:50 +0000 (UTC) X-FDA: 77897550780.13.D70A62C Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by imf06.hostedemail.com (Postfix) with ESMTP id A5238C0007F6 for ; Mon, 8 Mar 2021 18:31:49 +0000 (UTC) IronPort-SDR: 4w7JVQpYIDluuMMrj/cLNJRnMydjlbt6foGVa+bkwyP39HmpF8WQ7jy/1gELghHq9qnJnTWHH1 cWV2Lgd4XTGg== X-IronPort-AV: E=McAfee;i="6000,8403,9917"; a="184720940" X-IronPort-AV: E=Sophos;i="5.81,233,1610438400"; d="scan'208";a="184720940" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2021 10:31:46 -0800 IronPort-SDR: 1vpfTv/xLbfg8qBk0iB7CACv0cQC1t0xzAP+6vxKIPs54rdQcftIuvJ76W8DI+K7rW9QE07fhe muP5bA7eyJ9Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,233,1610438400"; d="scan'208";a="369500948" Received: from fmsmsx606.amr.corp.intel.com ([10.18.126.86]) by orsmga003.jf.intel.com with ESMTP; 08 Mar 2021 10:31:46 -0800 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx606.amr.corp.intel.com (10.18.126.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 8 Mar 2021 10:31:45 -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, 8 Mar 2021 10:31:07 -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; Mon, 8 Mar 2021 10:31:07 -0800 From: "Luck, Tony" To: Andy Lutomirski , Aili Yao CC: 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 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//fEfg Date: Mon, 8 Mar 2021 18:31:07 +0000 Message-ID: <4fc1b4e8f1fb4c8c81f280db09178797@intel.com> References: <20210308174912.4ac9029a@alex-virtual-machine> <8F3F763F-59CC-4E25-B4DE-89CD0632F754@amacapital.net> In-Reply-To: <8F3F763F-59CC-4E25-B4DE-89CD0632F754@amacapital.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="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Stat-Signature: ieu64jano4b4o6nhk866asy4fr66m7tg X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: A5238C0007F6 Received-SPF: none (intel.com>: No applicable sender policy available) receiver=imf06; identity=mailfrom; envelope-from=""; helo=mga11.intel.com; client-ip=192.55.52.93 X-HE-DKIM-Result: none/none X-HE-Tag: 1615228309-483465 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: PiBDYW4geW91IHBvaW50IG1lIGF0IHRoYXQgU0lHQlVTIGNvZGUgaW4gYSBjdXJyZW50IGtlcm5l bD8NCg0KSXQgaXMgaW4ga2lsbF9tZV9tYXliZSgpLiAgbWNlX3ZhZGRyIGlzIHNldHVwIHdoZW4g d2UgZGlzYXNzZW1ibGUgd2hhdGV2ZXIgZ2V0X3VzZXIoKQ0Kb3IgY29weSBmcm9tIHVzZXIgdmFy aWFudCB3YXMgaW4gdXNlIGluIHRoZSBrZXJuZWwgd2hlbiB0aGUgcG9pc29uIG1lbW9yeSB3YXMg Y29uc3VtZWQuDQoNCiAgICAgICAgaWYgKHAtPm1jZV92YWRkciAhPSAodm9pZCBfX3VzZXIgKikt MWwpIHsNCiAgICAgICAgICAgICAgICBmb3JjZV9zaWdfbWNlZXJyKEJVU19NQ0VFUlJfQVIsIHAt Pm1jZV92YWRkciwgUEFHRV9TSElGVCk7DQoNCldvdWxkIGl0IGJlIGFueSBiZXR0ZXIgaWYgd2Ug dXNlZCB0aGUgQlVTX01DRUVSUl9BTyBjb2RlIHRoYXQgZ29lcyBpbnRvIHNpZ2luZm8/DQoNClRo YXQgd291bGQgbWFrZSBpdCBtYXRjaCB1cCBiZXR0ZXIgd2l0aCB3aGF0IGhhcHBlbnMgd2hlbiBw b2lzb24gaXMgZm91bmQNCmFzeW5jaHJvbm91c2x5IGJ5IHRoZSBwYXRyb2wgc2NydWJiZXIuIEku ZS4gdGhlIHNlbWFudGljcyBhcmU6DQoNCkFSOiBZb3UganVzdCB0b3VjaGVkIHBvaXNvbiBhdCB0 aGlzIGFkZHJlc3MgYW5kIG5lZWQgdG8gZG8gc29tZXRoaW5nIGFib3V0IHRoYXQuDQpBTzogSnVz dCBsZXR0aW5nIHlvdSBrbm93IHRoYXQgeW91IGhhdmUgc29tZSBwb2lzb24gYXQgdGhlIGFkZHJl c3MgaW4gc2lnaW5mby4NCg0KLVRvbnkNCg==