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Date:   Tue, 26 Mar 2019 09:17:07 -0700
From:   Daniel Colascione <>
To:     Christian Brauner <>
Cc:     Jann Horn <>,
        Konstantin Khlebnikov <>,
        Andy Lutomirski <>,
        David Howells <>,
        "Serge E. Hallyn" <>,
        "Eric W. Biederman" <>,
        Linux API <>,
        linux-kernel <>,
        Arnd Bergmann <>,
        Kees Cook <>,
        Alexey Dobriyan <>,
        Thomas Gleixner <>,
        Michael Kerrisk-manpages <>,
        Jonathan Kowalski <>,
        "Dmitry V. Levin" <>,
        Andrew Morton <>,
        Oleg Nesterov <>,
        Nagarathnam Muthusamy <>,
        Aleksa Sarai <>,
        Al Viro <>,
        Joel Fernandes <>
Subject: Re: [PATCH v1 2/4] pid: add pidctl()

Thanks for the patch.

On Tue, Mar 26, 2019 at 8:55 AM Christian Brauner <> wrote:
> The pidctl() syscalls builds on, extends, and improves translate_pid() [4].
> I quote Konstantins original patchset first that has already been acked and
> picked up by Eric before and whose functionality is preserved in this
> syscall:

We still haven't had a much-needed conversation about splitting this
system call into smaller logical operations. It's important that we
address this point before this patch is merged and becomes permanent
kernel ABI.

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