From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Wed, 18 Jan 2017 01:21:16 +0000 (+0530)
Subject: eal/tile: define I/O device memory barriers
X-Git-Tag: spdx-start~4757
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=dff90714b15c9f36d259c55c5c86dd054005eeb7;p=dpdk.git

eal/tile: define I/O device memory barriers

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

CC: Zhigang Lu <zlu@ezchip.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---

diff --git a/lib/librte_eal/common/include/arch/tile/rte_atomic.h b/lib/librte_eal/common/include/arch/tile/rte_atomic.h
index 28825ff65b..1f332ee20c 100644
--- a/lib/librte_eal/common/include/arch/tile/rte_atomic.h
+++ b/lib/librte_eal/common/include/arch/tile/rte_atomic.h
@@ -85,6 +85,12 @@ static inline void rte_rmb(void)
 
 #define rte_smp_rmb() rte_compiler_barrier()
 
+#define rte_io_mb() rte_mb()
+
+#define rte_io_wmb() rte_compiler_barrier()
+
+#define rte_io_rmb() rte_compiler_barrier()
+
 #ifdef __cplusplus
 }
 #endif