[dpdk-dev] [PATCH v4 08/29] eal/arm64: define smp barrier definition for arm64
Jerin Jacob
jerin.jacob at caviumnetworks.com
Tue Jan 17 08:13:43 CET 2017
dmb instruction based barrier is used for smp version of memory barrier.
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
lib/librte_eal/common/include/arch/arm/rte_atomic_64.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
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 bc7de64..78ebea2 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
}
--
2.5.5
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