powerpc: Add vr save/restore functions

GCC 4.8 now generates out-of-line vr save/restore functions when
optimizing for size.  They are needed for the raid6 altivec support.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 6 insertions, 2 deletions

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 17855761e6b7..40610984a1b5 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -584,12 +584,16 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname)
                 if (strncmp(symname, "_restgpr_", sizeof("_restgpr_") - 1) == 0 ||
                     strncmp(symname, "_savegpr_", sizeof("_savegpr_") - 1) == 0 ||
                     strncmp(symname, "_rest32gpr_", sizeof("_rest32gpr_") - 1) == 0 ||
-                    strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0)
+                    strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0 ||
+                    strncmp(symname, "_restvr_", sizeof("_restvr_") - 1) == 0 ||
+                    strncmp(symname, "_savevr_", sizeof("_savevr_") - 1) == 0)
                         return 1;
         if (info->hdr->e_machine == EM_PPC64)
                 /* Special register function linked on all modules during final link of .ko */
                 if (strncmp(symname, "_restgpr0_", sizeof("_restgpr0_") - 1) == 0 ||
-                    strncmp(symname, "_savegpr0_", sizeof("_savegpr0_") - 1) == 0)
+                    strncmp(symname, "_savegpr0_", sizeof("_savegpr0_") - 1) == 0 ||
+                    strncmp(symname, "_restvr_", sizeof("_restvr_") - 1) == 0 ||
+                    strncmp(symname, "_savevr_", sizeof("_savevr_") - 1) == 0)
                         return 1;
         /* Do not ignore this symbol */
         return 0;