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* [PATCH] depmod: Remove version parsing hack
@ 2023-08-23 17:06 Michal Koutný
  2023-08-23 17:31 ` Michal Suchánek
  0 siblings, 1 reply; 3+ messages in thread
From: Michal Koutný @ 2023-08-23 17:06 UTC (permalink / raw)
  To: linux-kernel, linux-modules, linux-kbuild
  Cc: Masahiro Yamada, Michal Suchánek

When kbuild on usr-merged distro like:

        make INSTALL_MOD_PATH="$BUILD_DIR_C/mods" \
             MODLIB="$BUILD_DIR_C/mods/usr/lib/modules/$release" \

(notice the '/usr' insert)

        release=$(make -s kernelrelease)

depmod fails:

>   DEPMOD  /var/tmp/build/mods/usr/lib/modules/6.5.0-rc5-default
> ln: failed to create symbolic link '/var/tmp/build/mods/lib/modules/': No such file or directory
> depmod: ERROR: could not open directory /var/tmp/build/mods/usr/lib/modules/ No such file or directory
> depmod: FATAL: could not search modules: No such file or directory

I used kmod-30-8.1.x86_64 (openSUSE Tumbleweed with usr-merge).

The explicit MODLIB doesn't cut it because of another path dependency in
depmod's hack. That provision was added in commit bfe5424a8b31 ("kbuild:
Hack for depmod not handling X.Y versions") (2011, v3.0).
It says the hack is needed for module-init-tools < 3.13, 3.13 is from
2011 too. Actually, it seems to be a cautious action between 2.6.xx
series and an expected 3.0 but it ended up as 3.0.0 and SUBLEVEL=0
has been since then (so even the busybox's depmod should work without
the hack).

Remove the hack to make builds with custom INSTALL_MOD_PATH on
usr-merged distros possible.

Signed-off-by: Michal Koutný <>
 scripts/ | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/scripts/ b/scripts/
index 3643b4f896ed..84311255e4bf 100755
--- a/scripts/
+++ b/scripts/
@@ -23,24 +23,6 @@ if [ -z $(command -v $DEPMOD) ]; then
 	exit 0
-# older versions of depmod require the version string to start with three
-# numbers, so we cheat with a symlink here
-tmp_dir=$(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/$KERNELRELEASE/modules.dep.bin"; then
-		depmod_hack_needed=false
-	fi
-rm -rf "$tmp_dir"
-if $depmod_hack_needed; then
-	symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
-	ln -s "$KERNELRELEASE" "$symlink"
 set -- -ae -F
 if test -n "$INSTALL_MOD_PATH"; then
 	set -- "$@" -b "$INSTALL_MOD_PATH"

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-08-23 17:36 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-08-23 17:06 [PATCH] depmod: Remove version parsing hack Michal Koutný
2023-08-23 17:31 ` Michal Suchánek
2023-08-23 17:36   ` Michal Koutný

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