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[2620:137:e000::1:20]) by mx.google.com with ESMTP id s25-20020a1709066c9900b009a1d79a32a2si6285392ejr.1027.2023.09.04.09.34.28; Mon, 04 Sep 2023 09:34:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240441AbjIDKjv (ORCPT + 99 others); Mon, 4 Sep 2023 06:39:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234139AbjIDKju (ORCPT ); Mon, 4 Sep 2023 06:39:50 -0400 Received: from out30-112.freemail.mail.aliyun.com (out30-112.freemail.mail.aliyun.com [115.124.30.112]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C70161B5; Mon, 4 Sep 2023 03:39:46 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046049;MF=xueshuai@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0VrJdE4N_1693823980; Received: from 30.240.117.141(mailfrom:xueshuai@linux.alibaba.com fp:SMTPD_---0VrJdE4N_1693823980) by smtp.aliyun-inc.com; Mon, 04 Sep 2023 18:39:42 +0800 Message-ID: Date: Mon, 4 Sep 2023 18:39:39 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH] HWPOISON: add a pr_err message when forcibly send a sigbus To: "Luck, Tony" , Will Deacon Cc: "catalin.marinas@arm.com" , "James.Bottomley@HansenPartnership.com" , "deller@gmx.de" , "dave.hansen@linux.intel.com" , "Lutomirski, Andy" , "peterz@infradead.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "x86@kernel.org" , "hpa@zytor.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-parisc@vger.kernel.org" References: <20230819102212.21103-1-xueshuai@linux.alibaba.com> <20230821105025.GB19469@willie-the-truck> <44c4d801-3e21-426b-2cf0-a7884d2bf5ff@linux.alibaba.com> <54114b64-4726-da46-8ffa-16749ec0887a@linux.alibaba.com> <20230830221814.GB30121@willie-the-truck> Content-Language: en-US From: Shuai Xue In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-11.4 required=5.0 tests=BAYES_00, ENV_AND_HDR_SPF_MATCH,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/9/1 00:56, Luck, Tony wrote: >> + @Tony for ERST >> I found that after /dev/mcelog driver deprecated, both x86 and ARM64 platform does not >> support to collect MCE record of previous boot in persistent storage via APEI ERST. >> I propose to add a mechanism to do it for rasdaemon. Do you have any suggestion? > > APEI ERST stored records should be available in /sys/fs/pstore after the system reboots. > > Can rasdaemon collect them from there? I am afraid not yet. I will give it a shot and try to send a patch set. > > -Tony Thank you. Best Regards, Shuai