kbuild: Rename some module postprocessing stuff

Since it's now not only used for modversioning but generally, rename
the Makefile .modver -> .modpost and the generated files to
<module>.ver.[co].
  
Also, when there's now vmlinux during module postprocessing, don't print
warnings on unresolved symbols (there's just too many, then).

Makefile

@@ -508,7 +508,7 @@ all: modules
 .PHONY: modules
 modules: $(SUBDIRS) $(if $(CONFIG_MODVERSIONS),vmlinux)
 	@echo '  Building modules, stage 2.';
-	$(Q)$(MAKE) -rR -f scripts/Makefile.modver
+	$(Q)$(MAKE) -rR -f scripts/Makefile.modpost
 
 #	Install modules
 

scripts/Makefile.modver → scripts/Makefile.modpost

@@ -27,7 +27,7 @@ quiet_cmd_ld_ko_o = LD [M]  $@
       cmd_ld_ko_o = $(LD) $(LDFLAGS) $(LDFLAGS_MODULE) -o $@ 		\
 			  $(filter-out FORCE,$^)
 
-$(modules): %.ko :%.o %.ver.o FORCE
+$(modules): %.ko :%.o %.mod.o FORCE
 	$(call if_changed,ld_ko_o)
 
 targets += $(modules)
@@ -40,16 +40,16 @@ quiet_cmd_cc_o_c = CC      $@
 #	We have a fake dependency on compile.h to make sure that we
 #	notice if the compiler version changes under us.
 
-$(modules:.ko=.ver.o): %.ver.o: %.ver.c include/linux/compile.h FORCE
+$(modules:.ko=.mod.o): %.mod.o: %.mod.c include/linux/compile.h FORCE
 	$(call if_changed,cc_o_c)
 
-targets += $(modules:.ko=.ver.o)
+targets += $(modules:.ko=.mod.o)
 
-# All the .ver.c files are generated using the helper "modpost"
+# All the .mod.c files are generated using the helper "modpost"
 
 .PHONY: __modpost
 
-$(modules:.ko=.ver.c): __modpost ;
+$(modules:.ko=.mod.c): __modpost ;
 
 # Extract all checksums for all exported symbols
 

scripts/modpost.c

@@ -15,6 +15,8 @@
 
 /* Are we using CONFIG_MODVERSIONS? */
 int modversions = 0;
+/* Do we have vmlinux? */
+int have_vmlinux = 0;
 
 void
 fatal(const char *fmt, ...)
@@ -308,6 +310,11 @@ read_symbols(char *modname)
 	struct elf_info info = { };
 	Elf_Sym *sym;
 
+	/* When there's no vmlinux, don't print warnings about
+	 * unresolved symbols (since there'll be too many ;) */
+	if (strcmp(modname, "vmlinux") == 0)
+		have_vmlinux = 1;
+
 	parse_elf(&info, modname);
 
 	mod = new_module(modname);
@@ -379,9 +386,9 @@ add_versions(struct buffer *b, struct module *mod)
 	for (s = mod->unres; s; s = s->next) {
 		exp = find_symbol(s->name);
 		if (!exp) {
-			fprintf(stderr, "*** Warning: \"%s\" [%s.ko] "
-				"undefined!\n",
-				s->name, mod->name);
+			if (have_vmlinux)
+				fprintf(stderr, "*** Warning: \"%s\" [%s.ko] "
+				"undefined!\n",	s->name, mod->name);
 			continue;
 		}
 		s->module = exp->module;
@@ -512,7 +519,7 @@ main(int argc, char **argv)
 		add_depends(&buf, mod, modules);
 		add_moddevtable(&buf, mod);
 
-		sprintf(fname, "%s.ver.c", mod->name);
+		sprintf(fname, "%s.mod.c", mod->name);
 		write_if_changed(&buf, fname);
 	}
 	return 0;