-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
-@@ -188,7 +188,7 @@
+Index: linux-2.6.21.7/include/asm-mips/system.h
+===================================================================
+--- linux-2.6.21.7.orig/include/asm-mips/system.h
++++ linux-2.6.21.7/include/asm-mips/system.h
+@@ -188,7 +188,7 @@ extern __u64 __xchg_u64_unsupported_on_3