[dpdk-dev] [PATCH v4 04/29] eal/ppc64: define I/O device memory barriers for ppc64

Jerin Jacob jerin.jacob at caviumnetworks.com
Tue Jan 17 08:13:39 CET 2017


The patch does not provide any functional change for ppc_64.
I/O barriers are mapped to existing smp barriers.

CC: Chao Zhu <chaozhu at linux.vnet.ibm.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
index fb4fccb..150810c 100644
--- a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
+++ b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
@@ -87,6 +87,12 @@ extern "C" {
 
 #define rte_smp_rmb() rte_rmb()
 
+#define rte_io_mb() rte_mb()
+
+#define rte_io_wmb() rte_wmb()
+
+#define rte_io_rmb() rte_rmb()
+
 /*------------------------- 16 bit atomic operations -------------------------*/
 /* To be compatible with Power7, use GCC built-in functions for 16 bit
  * operations */
-- 
2.5.5



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