Index: kernel/arch/sparc32/include/arch/barrier.h
===================================================================
--- kernel/arch/sparc32/include/arch/barrier.h	(revision d70ebffee4c682353339148a2a7591029a0ed40c)
+++ kernel/arch/sparc32/include/arch/barrier.h	(revision 0637ddb37d7e3d5dd0479648840f57e5a3cce14a)
@@ -70,6 +70,8 @@
 	)
 
+#ifdef KERNEL
 #define smc_coherence(addr)
 #define smc_coherence_block(addr, size)
+#endif	/* KERNEL */
 
 #endif