1 files changed, 21 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index eccb03b88b8d..284d07202b63 100644
--- a/Makefile
+++ b/Makefile
@@ -492,7 +492,7 @@ endif
 include $(srctree)/arch/$(ARCH)/Makefile
 
 ifdef CONFIG_FRAME_POINTER
-CFLAGS          += -fno-omit-frame-pointer $(call cc-option,-fno-optimize-sibling-calls,)
+CFLAGS          += -fno-omit-frame-pointer -fno-optimize-sibling-calls
 else
 CFLAGS          += -fomit-frame-pointer
 endif
@@ -618,7 +618,7 @@ quiet_cmd_vmlinux__ ?= LD      $@
       cmd_vmlinux__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) -o $@ \
       -T $(vmlinux-lds) $(vmlinux-init)                          \
       --start-group $(vmlinux-main) --end-group                  \
-      $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) FORCE ,$^)
+      $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o FORCE ,$^)
 
 # Generate new vmlinux version
 quiet_cmd_vmlinux_version = GEN     .version
@@ -742,15 +742,31 @@ debug_kallsyms: .tmp_map$(last_kallsyms)
 
 endif # ifdef CONFIG_KALLSYMS
 
+# Do modpost on a prelinked vmlinux. The finally linked vmlinux has
+# relevant sections renamed as per the linker script.
+quiet_cmd_vmlinux-modpost = LD      $@
+      cmd_vmlinux-modpost = $(LD) $(LDFLAGS) -r -o $@                          \
+         $(vmlinux-init) --start-group $(vmlinux-main) --end-group             \
+         $(filter-out $(vmlinux-init) $(vmlinux-main) $(vmlinux-lds) FORCE ,$^)
+define rule_vmlinux-modpost
+        :
+        +$(call cmd,vmlinux-modpost)
+        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
+        $(Q)echo 'cmd_$@ := $(cmd_vmlinux-modpost)' > $(dot-target).cmd
+endef
+
 # vmlinux image - including updated kernel symbols
-vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
+vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) vmlinux.o FORCE
 ifdef CONFIG_HEADERS_CHECK
         $(Q)$(MAKE) -f $(srctree)/Makefile headers_check
 endif
+        $(call vmlinux-modpost)
         $(call if_changed_rule,vmlinux__)
-        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
         $(Q)rm -f .old_version
 
+vmlinux.o: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
+        $(call if_changed_rule,vmlinux-modpost)
+
 # The actual objects are generated when descending, 
 # make sure no implicit rule kicks in
 $(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ;
@@ -1323,7 +1339,7 @@ define xtags
                 -I __initdata,__exitdata,__acquires,__releases \
                 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
                 --extra=+f --c-kinds=+px \
-                --regex-asm='/ENTRY\(([^)]*)\).*/\1/'; \
+                --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'; \
             $(all-kconfigs) | xargs $1 -a \
                 --langdef=kconfig \
                 --language-force=kconfig \