X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=include%2Furcu%2Farch%2Farm.h;h=cb8f28dc711769f2c91544b598be95c64bc83294;hp=5cbca7d7f1d0d523186b40837ce93ff515615128;hb=7fe7e9f353c3596b78b6bed1f4267037de750a48;hpb=2f10494ace5729ad4c834d57f4960b48b09877f6;ds=sidebyside

diff --git a/include/urcu/arch/arm.h b/include/urcu/arch/arm.h
index 5cbca7d..cb8f28d 100644
--- a/include/urcu/arch/arm.h
+++ b/include/urcu/arch/arm.h
@@ -31,9 +31,19 @@ extern "C" {
 #endif
 
 #ifdef CONFIG_RCU_ARM_HAVE_DMB
-#define cmm_mb()	__asm__ __volatile__ ("dmb":::"memory")
-#define cmm_rmb()	__asm__ __volatile__ ("dmb":::"memory")
-#define cmm_wmb()	__asm__ __volatile__ ("dmb":::"memory")
+/*
+ * Issues full system DMB operation.
+ */
+#define cmm_mb()	__asm__ __volatile__ ("dmb sy":::"memory")
+#define cmm_rmb()	__asm__ __volatile__ ("dmb sy":::"memory")
+#define cmm_wmb()	__asm__ __volatile__ ("dmb sy":::"memory")
+
+/*
+ * Issues DMB operation only to the inner shareable domain.
+ */
+#define cmm_smp_mb()	__asm__ __volatile__ ("dmb ish":::"memory")
+#define cmm_smp_rmb()	__asm__ __volatile__ ("dmb ish":::"memory")
+#define cmm_smp_wmb()	__asm__ __volatile__ ("dmb ish":::"memory")
 #endif /* CONFIG_RCU_ARM_HAVE_DMB */
 
 #include <stdlib.h>