-diff -urN linux-2.6.21.1.old/include/asm-mips/system.h linux-2.6.21.1.dev/include/asm-mips/system.h
---- linux-2.6.21.1.old/include/asm-mips/system.h 2007-04-27 23:49:26.000000000 +0200
-+++ linux-2.6.21.1.dev/include/asm-mips/system.h 2007-05-26 19:26:30.870146040 +0200
+--- a/include/asm-mips/system.h
++++ b/include/asm-mips/system.h
@@ -188,7 +188,7 @@
if something tries to do an invalid xchg(). */
extern void __xchg_called_with_bad_pointer(void);