When modular code calls flush_icache_range():

    ERROR: "__invalidate_icache_range" [drivers/misc/lkdtm.ko] undefined!
    make[1]: *** [__modpost] Error 1

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
http://kisskb.ellerman.id.au/kisskb/buildresult/10663772/

 arch/xtensa/kernel/xtensa_ksyms.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index 80b33ed51f31..88eab32be29e 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c

@@ -105,6 +105,7 @@ EXPORT_SYMBOL(csum_partial_copy_generic);
  * Architecture-specific symbols
  */
 EXPORT_SYMBOL(__xtensa_copy_user);
+EXPORT_SYMBOL(__invalidate_icache_range);
 
 /*
  * Kernel hacking ...

-- 
1.7.9.5