linux-kernel - Re: [PATCH v2] scripts: dummy-tools, add pahole

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Message-ID: <CAK7LNAQKyaXAnZSM_ob-rZR_8ALdW+jugoN8uJ3RB+4jKObVkA@mail.gmail.com>
Date:   Thu, 21 Apr 2022 01:21:19 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH v2] scripts: dummy-tools, add pahole

On Tue, Apr 19, 2022 at 3:30 PM Jiri Slaby <jslaby@...e.cz> wrote:
>
> CONFIG_PAHOLE_VERSION is a part of a config since the commit below. And
> when multiple people update the config, this value constantly changes.
> Even if they use dummy scripts.
>
> To fix this, add a pahole dummy script returning v99.99. (This is
> translated into 9999 later in the process.)
>
> Thereafter, this script can be invoked easily for example as:
> make PAHOLE=scripts/dummy-tools/pahole oldconfig

Applied to linux-kbuild.
Thanks.


> Fixes: 613fe1692377 (kbuild: Add CONFIG_PAHOLE_VERSION)
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: linux-kbuild@...r.kernel.org
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> ---
> [v2] don't touch Makefile, add only the pahole script
>
>  scripts/dummy-tools/pahole | 4 ++++
>  1 file changed, 4 insertions(+)
>  create mode 100755 scripts/dummy-tools/pahole
>
> diff --git a/scripts/dummy-tools/pahole b/scripts/dummy-tools/pahole
> new file mode 100755
> index 000000000000..53501a36fa71
> --- /dev/null
> +++ b/scripts/dummy-tools/pahole
> @@ -0,0 +1,4 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0-only
> +
> +echo v99.99
> --
> 2.35.3
>


-- 
Best Regards
Masahiro Yamada