* There are 2 choices for the users
* 1.use rmb() memory barrier
* 2.use one-direcion load_acquire/store_release barrier,defined by
* There are 2 choices for the users
* 1.use rmb() memory barrier
* 2.use one-direcion load_acquire/store_release barrier,defined by
* It depends on performance test results.
* By default, move common functions to rte_ring_generic.h
*/
* It depends on performance test results.
* By default, move common functions to rte_ring_generic.h
*/