Add cmm_emit_legacy_smp_mb()

[urcu.git] / include / urcu / arch.h

diff --git a/include/urcu/arch.h b/include/urcu/arch.h
index 45ba6a222fe507b5910a307e667d72d27545672e..717d79c6a2c6020c27baf94bcc7b099995245b9f 100644 (file)
--- a/include/urcu/arch.h
+++ b/include/urcu/arch.h
@@ -155,5 +155,11 @@
 #error "Cannot build: unrecognized architecture, see <urcu/arch.h>."
 #endif
 
+#ifdef CONFIG_RCU_EMIT_LEGACY_MB
+# define cmm_emit_legacy_smp_mb() cmm_smp_mb()
+#else
+# define cmm_emit_legacy_smp_mb() do { } while (0)
+#endif
+
 
 #endif /* _URCU_ARCH_H */