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Date:   Tue, 27 Sep 2022 09:52:55 +0200
From:   "Arnd Bergmann" <arnd@arndb.de>
To:     "Eric W. Biederman" <ebiederm@xmission.com>,
        "Kees Cook" <keescook@chromium.org>
Cc:     linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
        Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH] a.out: Remove the a.out implementation
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Precedence: bulk

On Tue, Sep 27, 2022, at 12:15 AM, Eric W. Biederman wrote:
> In commit 19e8b701e258 ("a.out: Stop building a.out/osf1 support on
> alpha and m68k") the last users of a.out were disabled.
>
> As nothing has turned up to cause this change to be reverted, let's
> remove the code implementing a.out support as well.
>
> There may be userspace users of the uapi bits left so the uapi
> headers have been left untouched.
>
> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
> ---
>
> I was reminded that while this code was successfully disabled
> in the kernel we haven't deleted it yet.
>
> Kees can you pick this up.
>
>  MAINTAINERS                           |   1 -
>  arch/alpha/include/asm/a.out.h        |  16 --
>  arch/alpha/kernel/Makefile            |   4 -
>  arch/alpha/kernel/binfmt_loader.c     |  46 ----
>  arch/alpha/kernel/osf_sys.c           |  30 ---
>  arch/arm/configs/badge4_defconfig     |   1 -
>  arch/arm/configs/corgi_defconfig      |   1 -
>  arch/arm/configs/ezx_defconfig        |   1 -
>  arch/arm/configs/footbridge_defconfig |   1 -
>  arch/arm/configs/hackkit_defconfig    |   1 -
>  arch/arm/configs/iop32x_defconfig     |   1 -
>  arch/arm/configs/jornada720_defconfig |   1 -
>  arch/arm/configs/lart_defconfig       |   1 -
>  arch/arm/configs/neponset_defconfig   |   1 -
>  arch/arm/configs/netwinder_defconfig  |   1 -
>  arch/arm/configs/rpc_defconfig        |   1 -
>  arch/arm/configs/spitz_defconfig      |   1 -
>  fs/Kconfig.binfmt                     |  33 ---
>  fs/Makefile                           |   1 -
>  fs/binfmt_aout.c                      | 342 --------------------------
>  fs/exec.c                             |   3 +-
>  include/linux/a.out.h                 |  18 --
>  22 files changed, 1 insertion(+), 505 deletions(-)
>  delete mode 100644 arch/alpha/include/asm/a.out.h
>  delete mode 100644 arch/alpha/kernel/binfmt_loader.c
>  delete mode 100644 fs/binfmt_aout.c
>  delete mode 100644 include/linux/a.out.h

For the arm defconfigs:

Acked-by: Arnd Bergmann <arnd@arndb.de>