eal/x86: define coherent I/O memory barriers

Signed-off-by: Yongseok Koh <yskoh@mellanox.com>

diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic.h b/lib/librte_eal/common/include/arch/x86/rte_atomic.h
index 36cfabc38f09171be11a0d4ce8d2ad826494d3fa..8fb796c635be064ee55e190d2ae11dd576875d95 100644 (file)
--- a/lib/librte_eal/common/include/arch/x86/rte_atomic.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_atomic.h
@@ -39,6 +39,10 @@ extern "C" {
 
 #define rte_io_rmb() rte_compiler_barrier()
 
+#define rte_cio_wmb() rte_compiler_barrier()
+
+#define rte_cio_rmb() rte_compiler_barrier()
+
 /*------------------------- 16 bit atomic operations -------------------------*/
 
 #ifndef RTE_FORCE_INTRINSICS