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-rw-r--r--scripts/mod/modpost.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 99a45fdc1bbf..066355673930 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
switch (sym->st_shndx) {
case SHN_COMMON:
- warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
+ if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) {
+ /* Should warn here, but modpost runs before the linker */
+ } else
+ warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
break;
case SHN_UNDEF:
/* undefined symbol */
@@ -849,6 +852,7 @@ static const char *section_white_list[] =
".xt.lit", /* xtensa */
".arcextmap*", /* arc */
".gnu.linkonce.arcext*", /* arc : modules */
+ ".gnu.lto*",
NULL
};
@@ -1455,6 +1459,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
to = find_elf_symbol(elf, r->r_addend, sym);
tosym = sym_name(elf, to);
+ if (!strncmp(fromsym, "reference___initcall",
+ sizeof("reference___initcall")-1))
+ return;
+
/* check whitelist - we may ignore it */
if (secref_whitelist(mismatch,
fromsec, fromsym, tosec, tosym)) {
@@ -1693,6 +1701,19 @@ static void check_sec_ref(struct module *mod, const char *modname,
}
}
+static char *remove_dot(char *s)
+{
+ char *end;
+ int n = strcspn(s, ".");
+
+ if (n > 0 && s[n] != 0) {
+ strtoul(s + n + 1, &end, 10);
+ if (end > s + n + 1 && (*end == '.' || *end == 0))
+ s[n] = 0;
+ }
+ return s;
+}
+
static void read_symbols(char *modname)
{
const char *symname;
@@ -1731,7 +1752,7 @@ static void read_symbols(char *modname)
}
for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
- symname = info.strtab + sym->st_name;
+ symname = remove_dot(info.strtab + sym->st_name);
handle_modversions(mod, &info, sym, symname);
handle_moddevtable(mod, &info, sym, symname);