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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7362C43334 for ; Tue, 14 Jun 2022 02:37:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354095AbiFNChc (ORCPT ); Mon, 13 Jun 2022 22:37:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355943AbiFNChR (ORCPT ); Mon, 13 Jun 2022 22:37:17 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D90F03CA50 for ; Mon, 13 Jun 2022 19:16:19 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4LMX8K6JFqzjY0X; Tue, 14 Jun 2022 10:15:13 +0800 (CST) Received: from [10.174.177.76] (10.174.177.76) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 14 Jun 2022 10:16:17 +0800 Subject: Re: [PATCH v3 1/1] mm/memory-failure: don't allow to unpoison hw corrupted page To: David Hildenbrand CC: , , zhenwei pi , , References: <20220610114646.162764-1-pizhenwei@bytedance.com> <20220610114646.162764-2-pizhenwei@bytedance.com> <0fedf6f3-3ab3-e1d2-fd6e-3dbe8e92f06d@redhat.com> From: Miaohe Lin Message-ID: <844edb08-e145-0209-bf7a-60fb38503705@huawei.com> Date: Tue, 14 Jun 2022 10:16:16 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <0fedf6f3-3ab3-e1d2-fd6e-3dbe8e92f06d@redhat.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.76] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/6/10 20:12, David Hildenbrand wrote: > > I really prefer just disabling the unpoisioning mechanism in case there > is a real hw injected error. IMHO, this would be a simple solution that also works on the arches that does not unmap the kernel mapping when a page is hardware corrupted. Thanks! >