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Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH v2] mm: hwpoison: coredump: support recovery from dump_user_range() Content-Language: en-US To: "Luck, Tony" , =?UTF-8?B?SE9SSUdVQ0hJIE5BT1lBKOWggOWPoyDnm7TkuZ8p?= CC: "chu, jane" , Thomas Gleixner , Alexander Viro , Christian Brauner , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , Andrew Morton , Miaohe Lin , "linux-kernel@vger.kernel.org" , Tong Tiangen , Jens Axboe References: <20230417045323.11054-1-wangkefeng.wang@huawei.com> <20230418031243.GA2845864@hori.linux.bs1.fc.nec.co.jp> <54d761bb-1bcc-21a2-6b53-9d797a3c076b@huawei.com> <20230419072557.GA2926483@hori.linux.bs1.fc.nec.co.jp> <9fa67780-c48f-4675-731b-4e9a25cd29a0@huawei.com> <7d0c38a9-ed2a-a221-0c67-4a2f3945d48b@oracle.com> <6dc1b117-020e-be9e-7e5e-a349ffb7d00a@huawei.com> <9a9876a2-a2fd-40d9-b215-3e6c8207e711@huawei.com> <20230421031356.GA3048466@hori.linux.bs1.fc.nec.co.jp> <1bd6a635-5a3d-c294-38ce-5c6fcff6494f@huawei.com> <20230424064427.GA3267052@hori.linux.bs1.fc.nec.co.jp> <316b5a9e-5d5f-3bcf-57c1-86fafe6681c3@huawei.com> From: Kefeng Wang In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: a5xxsifriten5fz4ww4et4aniwqqo67c X-Rspamd-Queue-Id: D1702C0003 X-HE-Tag: 1682472229-68804 X-HE-Meta: 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 QeS9NjHv IUd235yddEhUoaQjY11Xm0d0FtOWR+rp9dR4djNQDYCY/xzrJBAc5iJFtOpqBKUMAZPXwPnEbaYHxSGzXXkFwwhoJP0K6qARkmGrs1vnMotto/HMoeUlD0RASYPqd3ASh+IKU2ut31fCtw634bPtwvpgSTyhxoKm6vj+FKliOWhwIWOXhvNjxR2wJq45h3pkb42D6auK3loDyO35rVHJJaXPCBa2oJtZPT07ti+96Dw3P6u3Q47iyU3wtrFQkv5uqsEBZZsTAsGtHk50pLftpUmroCCnSzOFEBZY0fleUH2ecEM+0hZJBIxA8kw== 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: On 2023/4/26 1:16, Luck, Tony wrote: >> Thanks for your confirm, and what your option about add >> MCE_IN_KERNEL_COPYIN to EX_TYPE_DEFAULT_MCE_SAFE/FAULT_MCE_SAFE type >> to let do_machine_check call queue_task_work(&m, msg, kill_me_never), >> which kill every call memory_failure_queue() after mc safe copy return? > > I haven't been following this thread closely. Can you give a link to the e-mail > where you posted a patch that does this? Or just repost that patch if easier. The major diff changes is [1], I will post a formal patch when -rc1 out, thanks. [1] https://lore.kernel.org/linux-mm/6dc1b117-020e-be9e-7e5e-a349ffb7d00a@huawei.com/ > > -Tony