[dpdk-dev] [PATCH v4 3/9] eal/x86: define coherent I/O memory barriers

Yongseok Koh yskoh at mellanox.com
Thu Jan 25 22:02:44 CET 2018


Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
---
 lib/librte_eal/common/include/arch/x86/rte_atomic.h | 4 ++++
 1 file changed, 4 insertions(+)

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 36cfabc38..8fb796c63 100644
--- 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
-- 
2.11.0



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