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Subject[PATCH v2 02/11] kbuild: get rid of kernel/ prefix from in-tree modules.{order,builtin}
Date
Removing the 'kernel/' prefix will make our life easier because we can
simply do 'cat modules.order' to get all built modules with full paths.

Currently, we parse the first line of '*.mod' files in $(MODVERDIR).
Since we have duplicated functionality here, I plan to remove MODVERDIR
entirely.

In fact, modules.order is generated also for external modules in a
broken format. It adds the 'kernel/' prefix to the absolute path of
the module, like this:

kernel//path/to/your/external/module/foo.ko

This is fine for now since modules.order is not used for external
modules. However, I want to sanitize the format everywhere towards
the goal of removing MODVERDIR.

We cannot change the format of installed module.{order,builtin}.
So, 'make modules_install' will add the 'kernel/' prefix while copying
them to $(MODLIB)/.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Changes in v2: None

Makefile | 4 ++--
scripts/Makefile.build | 2 +-
scripts/Makefile.modbuiltin | 2 +-
scripts/modules-check.sh | 2 +-
4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index d8421d245f75..b5e21d676ee2 100644
--- a/Makefile
+++ b/Makefile
@@ -1333,8 +1333,8 @@ _modinst_:
rm -f $(MODLIB)/build ; \
ln -s $(CURDIR) $(MODLIB)/build ; \
fi
- @cp -f $(objtree)/modules.order $(MODLIB)/
- @cp -f $(objtree)/modules.builtin $(MODLIB)/
+ @sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order
+ @sed 's:^:kernel/:' modules.builtin > $(MODLIB)/modules.builtin
@cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e9b3d88257dd..f21d691c776a 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -426,7 +426,7 @@ endif # builtin-target
modorder-cmds = \
$(foreach m, $(modorder), \
$(if $(filter %/modules.order, $m), \
- cat $m;, echo kernel/$m;))
+ cat $m;, echo $m;))

$(modorder-target): $(subdir-ym) FORCE
$(Q)(cat /dev/null; $(modorder-cmds)) > $@
diff --git a/scripts/Makefile.modbuiltin b/scripts/Makefile.modbuiltin
index ea90a90b41a0..12ac300fe51b 100644
--- a/scripts/Makefile.modbuiltin
+++ b/scripts/Makefile.modbuiltin
@@ -40,7 +40,7 @@ __modbuiltin: $(modbuiltin-target) $(subdir-ym)
@:

$(modbuiltin-target): $(subdir-ym) FORCE
- $(Q)(for m in $(modbuiltin-mods); do echo kernel/$$m; done; \
+ $(Q)(for m in $(modbuiltin-mods); do echo $$m; done; \
cat /dev/null $(modbuiltin-subdirs)) > $@

PHONY += FORCE
diff --git a/scripts/modules-check.sh b/scripts/modules-check.sh
index 39e8cb36ba19..f51f446707b8 100755
--- a/scripts/modules-check.sh
+++ b/scripts/modules-check.sh
@@ -9,7 +9,7 @@ check_same_name_modules()
for m in $(sed 's:.*/::' modules.order | sort | uniq -d)
do
echo "warning: same module names found:" >&2
- sed -n "/\/$m/s:^kernel/: :p" modules.order >&2
+ sed -n "/\/$m/s:^: :p" modules.order >&2
done
}

--
2.17.1
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