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-rw-r--r--Makefile8
-rw-r--r--scripts/Makefile.build17
-rw-r--r--scripts/Makefile.lib6
3 files changed, 29 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 344defd0f918..f8d1fd525e17 100644
--- a/Makefile
+++ b/Makefile
@@ -1021,9 +1021,14 @@ ifdef CONFIG_MODULES
all: modules
# Build modules
+#
+# A module can be listed more than once in obj-m resulting in
+# duplicate lines in modules.order files. Those are removed
+# using awk while concatenating to the final file.
PHONY += modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
+ $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
@echo ' Building modules, stage 2.';
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
@@ -1051,6 +1056,7 @@ _modinst_:
rm -f $(MODLIB)/build ; \
ln -s $(objtree) $(MODLIB)/build ; \
fi
+ @cp -f $(objtree)/modules.order $(MODLIB)/
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
# This depmod is only for convenience to give the initial
@@ -1110,7 +1116,7 @@ clean: archclean $(clean-dirs)
@find . $(RCS_FIND_IGNORE) \
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
- -o -name '*.symtypes' \) \
+ -o -name '*.symtypes' -o -name 'modules.order' \) \
-type f -print | xargs rm -f
# mrproper - Delete all generated files, including .config
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index de9836eee8bb..db38ef465a63 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -83,10 +83,12 @@ ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),)
builtin-target := $(obj)/built-in.o
endif
+modorder-target := $(obj)/modules.order
+
# We keep a list of all modules in $(MODVERDIR)
__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
- $(if $(KBUILD_MODULES),$(obj-m)) \
+ $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
$(subdir-ym) $(always)
@:
@@ -276,6 +278,19 @@ targets += $(builtin-target)
endif # builtin-target
#
+# Rule to create modules.order file
+#
+# Create commands to either record .ko file or cat modules.order from
+# a subdirectory
+modorder-cmds = \
+ $(foreach m, $(modorder), \
+ $(if $(filter %/modules.order, $m), \
+ cat $m;, echo kernel/$m;))
+
+$(modorder-target): $(subdir-ym) FORCE
+ $(Q)(cat /dev/null; $(modorder-cmds)) > $@
+
+#
# Rule to compile a set of .o files into one .a file
#
ifdef lib-target
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 3c5e88bfecf1..8e440233c27d 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -25,6 +25,11 @@ lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m)))
# o if we encounter foo/ in $(obj-m), remove it from $(obj-m)
# and add the directory to the list of dirs to descend into: $(subdir-m)
+# Determine modorder.
+# Unfortunately, we don't have information about ordering between -y
+# and -m subdirs. Just put -y's first.
+modorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko))
+
__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
subdir-y += $(__subdir-y)
__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
@@ -64,6 +69,7 @@ real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)
extra-y := $(addprefix $(obj)/,$(extra-y))
always := $(addprefix $(obj)/,$(always))
targets := $(addprefix $(obj)/,$(targets))
+modorder := $(addprefix $(obj)/,$(modorder))
obj-y := $(addprefix $(obj)/,$(obj-y))
obj-m := $(addprefix $(obj)/,$(obj-m))
lib-y := $(addprefix $(obj)/,$(lib-y))