linux-kernel - Re: [PATCH v2 seccomp 1/6] seccomp: Move config option SECCOMP to arch/Kconfig

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Message-Id: <160097467791.3774715.6342246806292251250.b4-ty@chromium.org>
Date:   Thu, 24 Sep 2020 12:11:28 -0700
From:   Kees Cook <keescook@...omium.org>
To:     containers@...ts.linux-foundation.org,
        YiFei Zhu <zhuyifei1999@...il.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Tycho Andersen <tycho@...ho.pizza>,
        Valentin Rothberg <vrothber@...hat.com>,
        Aleksa Sarai <cyphar@...har.com>,
        Giuseppe Scrivano <gscrivan@...hat.com>,
        Jann Horn <jannh@...gle.com>,
        Tobin Feldman-Fitzthum <tobin@....com>,
        Josep Torrellas <torrella@...inois.edu>,
        Tianyin Xu <tyxu@...inois.edu>,
        Hubertus Franke <frankeh@...ibm.com>,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        YiFei Zhu <yifeifz2@...inois.edu>,
        Dimitrios Skarlatos <dskarlat@...cmu.edu>,
        Jack Chen <jianyan2@...inois.edu>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>
Subject: Re: [PATCH v2 seccomp 1/6] seccomp: Move config option SECCOMP to arch/Kconfig

On Thu, 24 Sep 2020 07:44:15 -0500, YiFei Zhu wrote:
> In order to make adding configurable features into seccomp
> easier, it's better to have the options at one single location,
> considering easpecially that the bulk of seccomp code is
> arch-independent. An quick look also show that many SECCOMP
> descriptions are outdated; they talk about /proc rather than
> prctl.
> 
> As a result of moving the config option and keeping it default
> on, architectures arm, arm64, csky, riscv, sh, and xtensa
> did not have SECCOMP on by default prior to this and SECCOMP will
> be default in this change.
> 
> Architectures microblaze, mips, powerpc, s390, sh, and sparc
> have an outdated depend on PROC_FS and this dependency is removed
> in this change.
> 
> Suggested-by: Jann Horn <jannh@...gle.com>
> Link: https://lore.kernel.org/lkml/CAG48ez1YWz9cnp08UZgeieYRhHdqh-ch7aNwc4JRBnGyrmgfMg@mail.gmail.com/
> Signed-off-by: YiFei Zhu <yifeifz2@...inois.edu>
> [...]

Yes; I've been meaning to do this for a while now. Thank you! I tweaked
the help text a bit.

Applied, thanks!

[1/1] seccomp: Move config option SECCOMP to arch/Kconfig
      https://git.kernel.org/kees/c/c3c9c2df3636

-- 
Kees Cook