eal: remove redundant atomic API description

[dpdk.git] / lib / librte_eal / common / include / arch / ppc_64 / rte_atomic.h

diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
index ce38350..d6d4014 100644 (file)
--- a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
+++ b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h
@@ -49,37 +49,11 @@ extern "C" {
 #include <stdint.h>
 #include "generic/rte_atomic.h"
 
-/**
- * General memory barrier.
- *
- * Guarantees that the LOAD and STORE operations generated before the
- * barrier occur before the LOAD and STORE operations generated after.
- */
 #define        rte_mb()  asm volatile("sync" : : : "memory")
 
-/**
- * Write memory barrier.
- *
- * Guarantees that the STORE operations generated before the barrier
- * occur before the STORE operations generated after.
- */
-#ifdef RTE_ARCH_64
-#define        rte_wmb() asm volatile("lwsync" : : : "memory")
-#else
 #define        rte_wmb() asm volatile("sync" : : : "memory")
-#endif
 
-/**
- * Read memory barrier.
- *
- * Guarantees that the LOAD operations generated before the barrier
- * occur before the LOAD operations generated after.
- */
-#ifdef RTE_ARCH_64
-#define        rte_rmb() asm volatile("lwsync" : : : "memory")
-#else
 #define        rte_rmb() asm volatile("sync" : : : "memory")
-#endif
 
 #define rte_smp_mb() rte_mb()