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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6b350187-a9a5-fb37-79b1-bf69068f0182@huawei.com>
Date:   Wed, 26 Apr 2023 09:23:44 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     "Luck, Tony" <tony.luck@...el.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()



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