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Date:   Mon, 22 Mar 2021 18:07:34 +0100
From:   Oleg Nesterov <oleg@redhat.com>
To:     qianli zhao <zhaoqianligood@gmail.com>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>, christian@brauner.io,
        axboe@kernel.dk, Thomas Gleixner <tglx@linutronix.de>,
        Peter Collingbourne <pcc@google.com>,
        linux-kernel@vger.kernel.org, Qianli Zhao <zhaoqianli@xiaomi.com>
Subject: Re: [PATCH V3] exit: trigger panic when global init has exited
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On 03/22, qianli zhao wrote:
>
> Moving the decrement position should only affect between new and old
> code position of movement of the decrement of
> signal->live.

Why do you think so? It can affect _any_ code which runs under
"if (group_dead)". Again, I don't see anything wrong, but I didn't even
try to audit these code paths.

Oleg.