linux-kernel - RE: [PATCH v2] mm: hwpoison: coredump: support recovery from dump_user

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Message-ID: <SJ1PR11MB6083452F5EB3F1812C0D2DFEFC649@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date:   Tue, 25 Apr 2023 17:16:06 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>,
        HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>
CC:     "chu, jane" <jane.chu@...cle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Tong Tiangen <tongtiangen@...wei.com>,
        Jens Axboe <axboe@...nel.dk>
Subject: RE: [PATCH v2] mm: hwpoison: coredump: support recovery from
 dump_user_range()

> 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.

-Tony