Index: kernel/arch/sparc32/include/arch/barrier.h
===================================================================
--- kernel/arch/sparc32/include/arch/barrier.h	(revision af9dd1ed6f5d79cc098da33ff7131162b1c177a4)
+++ kernel/arch/sparc32/include/arch/barrier.h	(revision 57c2a87b03a0b6c08cef4f64f0cf52a7d8b38b62)
@@ -70,6 +70,8 @@
 	)
 
+#ifdef KERNEL
 #define smc_coherence(addr)
 #define smc_coherence_block(addr, size)
+#endif	/* KERNEL */
 
 #endif