1 files changed, 36 insertions, 2 deletions

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 40610984a1b5..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)) {
@@ -1502,6 +1510,16 @@ static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
 #define R_ARM_JUMP24    29
 #endif
 
+#ifndef R_ARM_THM_CALL
+#define R_ARM_THM_CALL          10
+#endif
+#ifndef R_ARM_THM_JUMP24
+#define R_ARM_THM_JUMP24        30
+#endif
+#ifndef R_ARM_THM_JUMP19
+#define R_ARM_THM_JUMP19        51
+#endif
+
 static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
 {
         unsigned int r_typ = ELF_R_TYPE(r->r_info);
@@ -1515,6 +1533,9 @@ static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
         case R_ARM_PC24:
         case R_ARM_CALL:
         case R_ARM_JUMP24:
+        case R_ARM_THM_CALL:
+        case R_ARM_THM_JUMP24:
+        case R_ARM_THM_JUMP19:
                 /* From ARM ABI: ((S + A) | T) - P */
                 r->r_addend = (int)(long)(elf->hdr +
                               sechdr->sh_offset +
@@ -1680,6 +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;
@@ -1718,7 +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);