Re: [PATCH 1/8] signal: Make SIGKILL during coredumps an explicit special case

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On Tue, Jan 11, 2022 at 10:51 AM Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:
>
> +       while ((n == -ERESTARTSYS) && test_thread_flag(TIF_NOTIFY_SIGNAL)) {
> +               tracehook_notify_signal();
> +               n = __kernel_write(file, addr, nr, &pos);
> +       }

This reads horribly wrongly to me.

That "tracehook_notify_signal()" thing *has* to be renamed before we
have anything like this that otherwise looks like "this will just loop
forever".

I'm pretty sure we've discussed that "tracehook" thing before - the
whole header file is misnamed, and most of the functions in theer are
too.

As an ugly alternative, open-code it, so that it's clear that "yup,
that clears the TIF_NOTIFY_SIGNAL flag".

             Linus



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