linux-kernel - Re: [PATCH] Revert "kbuild: Hack for depmod not handling X.Y versions"

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Message-ID: <CAK7LNASmhksytuzeQ-swyvb3RDqsHy54NNUJjzRnAmA3d17BLQ@mail.gmail.com>
Date:   Sun, 23 Jul 2023 22:38:13 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Michal Suchanek <msuchanek@...e.de>
Cc:     linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] Revert "kbuild: Hack for depmod not handling X.Y versions"

On Wed, Jul 19, 2023 at 1:58 AM Michal Suchanek <msuchanek@...e.de> wrote:
>
> Remove hack for ancient version of module-init-tools that was added in
> Linux 3.0.
>
> Since then module-init-tools was replaced with kmod.
>
> This hack adds an additional indirection, and causes confusing errors
> to be printed when depmod fails.
>
> Reverts commit 8fc62e594253 ("kbuild: Do not write to builddir in modules_install")
> Reverts commit bfe5424a8b31 ("kbuild: Hack for depmod not handling X.Y versions")
>
> Link: https://lore.kernel.org/linux-modules/CAK7LNAQMs3QBYfWcLkmOQdbbq7cj=7wWbK=AWhdTC2rAsKHXzQ@mail.gmail.com/
>
> Signed-off-by: Michal Suchanek <msuchanek@...e.de>


Applied to linux-kbuild.
Thanks.

> ---
>  scripts/depmod.sh | 27 +--------------------------
>  1 file changed, 1 insertion(+), 26 deletions(-)
>
> diff --git a/scripts/depmod.sh b/scripts/depmod.sh
> index 3643b4f896ed..fca689ba4f21 100755
> --- a/scripts/depmod.sh
> +++ b/scripts/depmod.sh
> @@ -23,33 +23,8 @@ if [ -z $(command -v $DEPMOD) ]; then
>         exit 0
>  fi
>
> -# older versions of depmod require the version string to start with three
> -# numbers, so we cheat with a symlink here
> -depmod_hack_needed=true
> -tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
> -mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
> -if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
> -       if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
> -               -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
> -               depmod_hack_needed=false
> -       fi
> -fi
> -rm -rf "$tmp_dir"
> -if $depmod_hack_needed; then
> -       symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
> -       ln -s "$KERNELRELEASE" "$symlink"
> -       KERNELRELEASE=99.98.$KERNELRELEASE
> -fi
> -
>  set -- -ae -F System.map
>  if test -n "$INSTALL_MOD_PATH"; then
>         set -- "$@" -b "$INSTALL_MOD_PATH"
>  fi
> -"$DEPMOD" "$@" "$KERNELRELEASE"
> -ret=$?
> -
> -if $depmod_hack_needed; then
> -       rm -f "$symlink"
> -fi
> -
> -exit $ret
> +exec "$DEPMOD" "$@" "$KERNELRELEASE"
> --
> 2.41.0
>


-- 
Best Regards
Masahiro Yamada