From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Wed, 18 Jan 2017 01:21:19 +0000 (+0530)
Subject: eal/armv7: define I/O device memory barriers
X-Git-Tag: spdx-start~4754
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b41508b7a4845f2ffd4a78ac2a7177b1dd5cc2d3;p=dpdk.git

eal/armv7: define I/O device memory barriers

The patch does not provide any functional change for ARMv7.
I/O barriers are mapped to existing smp barriers.

CC: Jan Viktorin <viktorin@rehivetech.com>
CC: Jianbo Liu <jianbo.liu@linaro.org>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---

diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h b/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h
index dd627a0e2d..14c0486400 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h
@@ -73,6 +73,12 @@ 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()
+
 #ifdef __cplusplus
 }
 #endif