Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 7d4af0d..952fff4 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -6,23 +6,22 @@
# 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
-# 5) compile all <module>.mod.c files
-# 6) final link of the module to a <module.ko> file
# Step 3 is used to place certain information in the module's ELF
# section, including information such as:
# Version magic (see include/linux/vermagic.h for full details)
# - Kernel release
# - SMP is CONFIG_SMP
-# - PREEMPT is CONFIG_PREEMPT
+# - PREEMPT is CONFIG_PREEMPT[_RT]
# - GCC Version
# Module info
# - Module version (MODULE_VERSION)
@@ -37,12 +36,37 @@
# 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) \
+ $(if $(filter nsdeps,$(MAKECMDGOALS)),-d)
+
+ifdef MODPOST_VMLINUX
+
+quiet_cmd_modpost = MODPOST vmlinux.o
+ cmd_modpost = $(MODPOST) vmlinux.o
+
+__modpost:
+ $(call cmd,modpost)
+
+else
+
# When building external modules load the Kbuild file to retrieve EXTRA_SYMBOLS info
ifneq ($(KBUILD_EXTMOD),)
@@ -55,98 +79,25 @@
$(KBUILD_EXTMOD)/Kbuild, $(KBUILD_EXTMOD)/Makefile)
endif
-include scripts/Makefile.lib
+MODPOST += $(subst -i,-n,$(filter -i,$(MAKEFLAGS))) -s -T - $(wildcard vmlinux)
-kernelsymfile := $(objtree)/Module.symvers
-modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers
+# find all modules listed in modules.order
+modules := $(sort $(shell cat $(MODORDER)))
-# Step 1), find all modules listed in $(MODVERDIR)/
-MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs -r grep -h '\.ko$$' | sort -u
-__modules := $(shell $(MODLISTCMD))
-modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o)))
+# Read out modules.order instead of expanding $(modules) to pass in modpost.
+# Otherwise, allmodconfig would fail with "Argument list too long".
+quiet_cmd_modpost = MODPOST $(words $(modules)) modules
+ cmd_modpost = sed 's/ko$$/o/' $(MODORDER) | $(MODPOST)
-# Stop after building .o files if NOFINAL is set. Makes compile tests quicker
-_modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules))
+__modpost:
+ @$(kecho) ' Building modules, stage 2.'
+ $(call cmd,modpost)
+ifneq ($(KBUILD_MODPOST_NOFINAL),1)
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modfinal
+endif
-# 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_DEBUG_SECTION_MISMATCH),,-S) \
- $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \
- $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
+nsdeps: __modpost
-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 -
-
-PHONY += __modpost
-__modpost: $(modules:.ko=.o) FORCE
- $(call cmd,modpost) $(wildcard vmlinux)
-
-quiet_cmd_kernel-mod = MODPOST $@
- cmd_kernel-mod = $(modpost) $@
-
-vmlinux.o: FORCE
- $(call cmd,kernel-mod)
-
-# Declare generated files as targets for modpost
-$(modules:.ko=.mod.c): __modpost ;
-
-
-# Step 5), compile all *.mod.c files
-
-# modname is set to make c_flags define KBUILD_MODNAME
-modname = $(notdir $(@:.mod.o=))
-
-quiet_cmd_cc_o_c = CC $@
- cmd_cc_o_c = $(CC) $(c_flags) $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE) \
- -c -o $@ $<
-
-$(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
- $(call if_changed_dep,cc_o_c)
-
-targets += $(modules:.ko=.mod.o)
-
-ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
-
-# Step 6), final link of the modules with optional arch pass after final link
-quiet_cmd_ld_ko_o = LD [M] $@
- cmd_ld_ko_o = \
- $(LD) -r $(KBUILD_LDFLAGS) \
- $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
- -o $@ $(filter-out FORCE,$^) ; \
- $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
-
-$(modules): %.ko :%.o %.mod.o FORCE
- +$(call if_changed,ld_ko_o)
-
-targets += $(modules)
-
-
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
-# ---------------------------------------------------------------------------
-
-PHONY += FORCE
-
-FORCE:
-
-# Read all saved command lines and dependencies for the $(targets) we
-# may be building above, using $(if_changed{,_dep}). As an
-# 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 $(f)).cmd))
-
-ifneq ($(cmd_files),)
- include $(cmd_files)
endif
.PHONY: $(PHONY)