net/memif: optimize with one-way barrier

[dpdk.git] / drivers / net / memif / memif.h

diff --git a/drivers/net/memif/memif.h b/drivers/net/memif/memif.h
index 3948b1f..a4d88c0 100644 (file)
--- a/drivers/net/memif/memif.h
+++ b/drivers/net/memif/memif.h
@@ -169,9 +169,9 @@ typedef struct {
        uint32_t cookie;                        /**< MEMIF_COOKIE */
        uint16_t flags;                         /**< flags */
 #define MEMIF_RING_FLAG_MASK_INT 1             /**< disable interrupt mode */
-       volatile uint16_t head;                 /**< pointer to ring buffer head */
+       uint16_t head;                  /**< pointer to ring buffer head */
        MEMIF_CACHELINE_ALIGN_MARK(cacheline1);
-       volatile uint16_t tail;                 /**< pointer to ring buffer tail */
+       uint16_t tail;                  /**< pointer to ring buffer tail */
        MEMIF_CACHELINE_ALIGN_MARK(cacheline2);
        memif_desc_t desc[0];                   /**< buffer descriptors */
 } memif_ring_t;