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authorSam Ravnborg <sam@ravnborg.org>2007-07-20 22:36:56 +0200
committerSam Ravnborg <sam@ravnborg.org>2007-07-25 21:14:15 +0200
commit8d8d8289df65cb116d2721becafb37272074f25a (patch)
tree388c4be27f36df9a1c4c60f8642dae74b3291af9 /scripts
parent80492cc797ea15572de8eac766cbf606626ee338 (diff)
downloadlinux-linaro-8d8d8289df65cb116d2721becafb37272074f25a.tar.gz
kbuild: do not do section mismatch checks on vmlinux in 2nd pass
We already check and warn about section mismatches from vmlinux (build as vmlinux.o) during first pass so skip the checks during the 2nd pass where we process modules. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.modpost19
-rw-r--r--scripts/mod/modpost.c13
2 files changed, 20 insertions, 12 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index c6fcc597b3b..1818c502007 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -56,23 +56,24 @@ _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_EXTMOD),-o $(modulesymfile)) \
+ $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
+
quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
- cmd_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),-o $(modulesymfile)) \
- $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
+ cmd_modpost = $(modpost) -s
PHONY += __modpost
__modpost: $(modules:.ko=.o) FORCE
$(call cmd,modpost) $(wildcard vmlinux) $(filter-out FORCE,$^)
quiet_cmd_kernel-mod = MODPOST $@
- cmd_kernel-mod = $(cmd_modpost) $@
+ cmd_kernel-mod = $(modpost) $@
-PHONY += vmlinux
vmlinux.o: FORCE
$(call cmd,kernel-mod)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 5ab7914d30e..87e3ee56e87 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -23,6 +23,8 @@ int have_vmlinux = 0;
static int all_versions = 0;
/* If we are modposting external module set to 1 */
static int external_module = 0;
+/* Warn about section mismatch in vmlinux if set to 1 */
+static int vmlinux_section_warnings = 1;
/* Only warn about unresolved symbols */
static int warn_unresolved = 0;
/* How a symbol is exported */
@@ -1257,8 +1259,10 @@ static void read_symbols(char *modname)
handle_modversions(mod, &info, sym, symname);
handle_moddevtable(mod, &info, sym, symname);
}
- check_sec_ref(mod, modname, &info, init_section, init_section_ref_ok);
- check_sec_ref(mod, modname, &info, exit_section, exit_section_ref_ok);
+ if (is_vmlinux(modname) && vmlinux_section_warnings) {
+ check_sec_ref(mod, modname, &info, init_section, init_section_ref_ok);
+ check_sec_ref(mod, modname, &info, exit_section, exit_section_ref_ok);
+ }
version = get_modinfo(info.modinfo, info.modinfo_len, "version");
if (version)
@@ -1626,7 +1630,7 @@ int main(int argc, char **argv)
int opt;
int err;
- while ((opt = getopt(argc, argv, "i:I:mo:aw")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:mso:aw")) != -1) {
switch(opt) {
case 'i':
kernel_read = optarg;
@@ -1644,6 +1648,9 @@ int main(int argc, char **argv)
case 'a':
all_versions = 1;
break;
+ case 's':
+ vmlinux_section_warnings = 0;
+ break;
case 'w':
warn_unresolved = 1;
break;