1 files changed, 49 insertions, 42 deletions

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index fec6ec2ffa47..92ed02d7cd5e 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -6,11 +6,12 @@
 # Stage one of module building created the following:
 # a) The individual .o files used for the module
 # b) A <module>.o file which is the .o files above linked together
-# c) A <module>.mod file in $(MODVERDIR)/, listing the name of the
-#    the preliminary <module>.o file, plus all .o files
+# c) A <module>.mod file, listing the name of the preliminary <module>.o file,
+#    plus all .o files
+# d) modules.order, which lists all the modules
 
 # Stage 2 is handled by this file and does the following
-# 1) Find all modules from the files listed in $(MODVERDIR)/
+# 1) Find all modules listed in modules.order
 # 2) modpost is then used to
 # 3)  create one <module>.mod.c file pr. module
 # 4)  create one Module.symvers file with CRC for all exported symbols
@@ -37,12 +38,39 @@
 # symbols in the final module linking stage
 # KBUILD_MODPOST_NOFINAL can be set to skip the final link of modules.
 # This is solely useful to speed up test compiles
-PHONY := _modpost
-_modpost: __modpost
+
+PHONY := __modpost
+__modpost:
 
 include include/config/auto.conf
 include scripts/Kbuild.include
 
+kernelsymfile := $(objtree)/Module.symvers
+modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers
+
+MODPOST = scripts/mod/modpost						\
+	$(if $(CONFIG_MODVERSIONS),-m)					\
+	$(if $(CONFIG_MODULE_SRCVERSION_ALL),-a)			\
+	$(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile)			\
+	$(if $(KBUILD_EXTMOD),-I $(modulesymfile))			\
+	$(if $(KBUILD_EXTMOD),$(addprefix -e ,$(KBUILD_EXTRA_SYMBOLS)))	\
+	$(if $(KBUILD_EXTMOD),-o $(modulesymfile))			\
+	$(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E)			\
+	$(if $(KBUILD_MODPOST_WARN),-w)
+
+ifdef MODPOST_VMLINUX
+
+__modpost: vmlinux.o
+
+quiet_cmd_modpost = MODPOST $@
+      cmd_modpost = $(MODPOST) $@
+
+PHONY += vmlinux.o
+vmlinux.o:
+	$(call cmd,modpost)
+
+else
+
 # When building external modules load the Kbuild file to retrieve EXTRA_SYMBOLS info
 ifneq ($(KBUILD_EXTMOD),)
 
@@ -57,48 +85,27 @@ endif
 
 include scripts/Makefile.lib
 
-kernelsymfile := $(objtree)/Module.symvers
-modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers
+modorder := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order
 
-# Step 1), find all modules listed in $(MODVERDIR)/
-MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs -r grep -h '\.ko$$' | sort -u
-__modules := $(shell $(MODLISTCMD))
-modules   := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o)))
+# find all modules listed in modules.order
+modules := $(sort $(shell cat $(modorder)))
 
 # Stop after building .o files if NOFINAL is set. Makes compile tests quicker
-_modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules))
-
-# Step 2), invoke modpost
-#  Includes step 3,4
-modpost = scripts/mod/modpost                    \
- $(if $(CONFIG_MODVERSIONS),-m)                  \
- $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,)       \
- $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile)   \
- $(if $(KBUILD_EXTMOD),-I $(modulesymfile))      \
- $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
- $(if $(KBUILD_EXTMOD),-o $(modulesymfile))      \
- $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E)  \
- $(if $(KBUILD_MODPOST_WARN),-w)
-
-MODPOST_OPT=$(subst -i,-n,$(filter -i,$(MAKEFLAGS)))
-
-# We can go over command line length here, so be careful.
-quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
-      cmd_modpost = $(MODLISTCMD) | sed 's/\.ko$$/.o/' | $(modpost) $(MODPOST_OPT) -s -T -
+__modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules))
+	@:
 
-PHONY += __modpost
-__modpost: $(modules:.ko=.o) FORCE
-	$(call cmd,modpost) $(wildcard vmlinux)
+MODPOST += $(subst -i,-n,$(filter -i,$(MAKEFLAGS))) -s -T - $(wildcard vmlinux)
 
-quiet_cmd_kernel-mod = MODPOST $@
-      cmd_kernel-mod = $(modpost) $@
+# We can go over command line length here, so be careful.
+quiet_cmd_modpost = MODPOST $(words $(modules)) modules
+      cmd_modpost = sed 's/ko$$/o/' $(modorder) | $(MODPOST)
 
-vmlinux.o: FORCE
-	$(call cmd,kernel-mod)
+PHONY += modules-modpost
+modules-modpost:
+	$(call cmd,modpost)
 
 # Declare generated files as targets for modpost
-$(modules:.ko=.mod.c): __modpost ;
-
+$(modules:.ko=.mod.c): modules-modpost
 
 # Step 5), compile all *.mod.c files
 
@@ -142,10 +149,10 @@ FORCE:
 # optimization, we don't need to read them if the target does not
 # exist, we will rebuild anyway in that case.
 
-cmd_files := $(wildcard $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd))
+existing-targets := $(wildcard $(sort $(targets)))
+
+-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
 
-ifneq ($(cmd_files),)
-  include $(cmd_files)
 endif
 
 .PHONY: $(PHONY)