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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
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CC: <konstantin.ananyev@intel.com>, <thomas.monjalon@6wind.com>,
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Date: Thu, 12 Jan 2017 14:46:59 +0530
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Subject: [dpdk-dev] [PATCH v3 02/29] eal/x86: define I/O device memory
barriers for IA
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The patch does not provide any functional change for IA.
I/O barriers are mapped to existing smp barriers.
CC: Bruce Richardson <bruce.richardson@intel.com>
CC: Konstantin Ananyev <konstantin.ananyev@intel.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
lib/librte_eal/common/include/arch/x86/rte_atomic.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic.h b/lib/librte_eal/common/include/arch/x86/rte_atomic.h
index 00b1cdf..4eac666 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_atomic.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_atomic.h
@@ -61,6 +61,12 @@ extern "C" {
#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()
+
/*------------------------- 16 bit atomic operations -------------------------*/
#ifndef RTE_FORCE_INTRINSICS
--
2.5.5