linux-kernel - Re: [PATCH 08/11] kbuild: create *.mod with full directory path and remove MODVERDIR

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Date:   Tue, 9 Jul 2019 13:37:50 -0400 (EDT)
From:   Nicolas Pitre <nico@...xnic.net>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
cc:     linux-kbuild@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>,
        linux-doc@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        linux-kernel@...r.kernel.org,
        Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH 08/11] kbuild: create *.mod with full directory path and
 remove MODVERDIR

On Tue, 9 Jul 2019, Masahiro Yamada wrote:

> --- a/scripts/adjust_autoksyms.sh
> +++ b/scripts/adjust_autoksyms.sh
> @@ -47,13 +47,10 @@ cat > "$new_ksyms_file" << EOT
>   */
>  
>  EOT
> -[ "$(ls -A "$MODVERDIR")" ] &&
> -for mod in "$MODVERDIR"/*.mod; do
> -	sed -n -e '3{s/ /\n/g;/^$/!p;}' "$mod"
> -done | sort -u |
> -while read sym; do
> -	echo "#define __KSYM_${sym} 1"
> -done >> "$new_ksyms_file"
> +sed 's/ko$/mod/' modules.order |
> +xargs -r -n1 sed -n -e '3{s/ /\n/g;/^$/!p;}' |
> +sort -u |
> +sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$new_ksyms_file"

Did you consider the case when CONFIG_MODULES=y but no modules are 
selected? Also -r to xargs is a GNU extension and there were some 
efforts to remove theur use in the past (no idea if this is still a 
concern).

Other than that, looks good to me.

Acked-by: Nicolas Pitre <nico@...xnic.net>


Nicolas