Instead of using system-wide 'dsb' instruction for IO barriers, 'dmb' is
sufficient and could bring better performance. Using 'dmb' with Outer
Shareable Domain option is also consistent with linux kernel.
Cc: Thomas Speier <tspe...@qti.qualcomm.com>
Signed-off-by: Yongseok Koh <ys...@mellanox.com>
Acked-by: Thomas Speier <tspe...@qti.qualcomm.com>
Acked-by: Shahaf Shuler <shah...@mellanox.com>
---
lib/librte_eal/common/include/arch/arm/rte_atomic_64.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
index 0b70d6209..8dcce6054 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
@@ -58,11 +58,11 @@ extern "C" {
#define rte_smp_rmb() dmb(ishld)
-#define rte_io_mb() rte_mb()
+#define rte_io_mb() dmb(osh)
-#define rte_io_wmb() rte_wmb()
+#define rte_io_wmb() dmb(oshst)
-#define rte_io_rmb() rte_rmb()
+#define rte_io_rmb() dmb(oshld)
#ifdef __cplusplus
}
--
2.11.0
