From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Wed, 18 Jan 2017 01:21:21 +0000 (+0530)
Subject: eal/arm64: define SMP barrier
X-Git-Tag: spdx-start~4752
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=67ce81bd3dff58731888733f20c49c9e29cce326;p=dpdk.git

eal/arm64: define SMP barrier

dmb instruction based barrier is used for smp version of memory barrier.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---

diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
index bc7de640c1..78ebea24ad 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h
@@ -82,11 +82,11 @@ static inline void rte_rmb(void)
 	dsb(ld);
 }
 
-#define rte_smp_mb() rte_mb()
+#define rte_smp_mb() dmb(ish)
 
-#define rte_smp_wmb() rte_wmb()
+#define rte_smp_wmb() dmb(ishst)
 
-#define rte_smp_rmb() rte_rmb()
+#define rte_smp_rmb() dmb(ishld)
 
 #ifdef __cplusplus
 }