Cleanup: remove unused value warning

[urcu.git] / urcu / arch_arm.h

diff --git a/urcu/arch_arm.h b/urcu/arch_arm.h
index e25457d707427b5cd70a2141089da9909f1c4bc5..f97ae1d1d5979cde65920c4a95556a5dec73c223 100644 (file)
--- a/urcu/arch_arm.h
+++ b/urcu/arch_arm.h
@@ -29,7 +29,11 @@
 extern "C" {
 #endif 
 
-#define cmm_mb()    asm volatile("dmb":::"memory")
+#ifdef CONFIG_ARM_HAVE_DMB
+#define cmm_mb()       asm volatile("dmb":::"memory")
+#define cmm_rmb()      asm volatile("dmb":::"memory")
+#define cmm_wmb()      asm volatile("dmb":::"memory")
+#endif /* CONFIG_ARM_HAVE_DMB */
 
 #include <stdlib.h>
 #include <sys/time.h>