#ifdef __cplusplus
extern "C" {
-#endif
+#endif
/* Default is RCU_MEMBARRIER */
#if !defined(RCU_MEMBARRIER) && !defined(RCU_MB) && !defined(RCU_SIGNAL)
};
/*
- * RCU memory barrier broadcast group. Currently, only broadcast to all process
- * threads is supported (group 0).
- *
* Slave barriers are only guaranteed to be ordered wrt master barriers.
*
* The pair ordering is detailed as (O: ordered, X: not ordered) :
* master O O
*/
-#define MB_GROUP_ALL 0
-#define RCU_MB_GROUP MB_GROUP_ALL
-
#ifdef RCU_MEMBARRIER
extern int rcu_has_sys_membarrier;
-static inline void smp_mb_slave(int group)
+static inline void smp_mb_slave(void)
{
if (caa_likely(rcu_has_sys_membarrier))
cmm_barrier();
#endif
#ifdef RCU_MB
-static inline void smp_mb_slave(int group)
+static inline void smp_mb_slave(void)
{
cmm_smp_mb();
}
#endif
#ifdef RCU_SIGNAL
-static inline void smp_mb_slave(int group)
+static inline void smp_mb_slave(void)
{
cmm_barrier();
}
{
if (caa_likely(!(tmp & RCU_GP_CTR_NEST_MASK))) {
_CMM_STORE_SHARED(URCU_TLS(rcu_reader).ctr, _CMM_LOAD_SHARED(rcu_gp.ctr));
- smp_mb_slave(RCU_MB_GROUP);
+ smp_mb_slave();
} else
_CMM_STORE_SHARED(URCU_TLS(rcu_reader).ctr, tmp + RCU_GP_COUNT);
}
static inline void _rcu_read_unlock_update_and_wakeup(unsigned long tmp)
{
if (caa_likely((tmp & RCU_GP_CTR_NEST_MASK) == RCU_GP_COUNT)) {
- smp_mb_slave(RCU_MB_GROUP);
+ smp_mb_slave();
_CMM_STORE_SHARED(URCU_TLS(rcu_reader).ctr, tmp - RCU_GP_COUNT);
- smp_mb_slave(RCU_MB_GROUP);
+ smp_mb_slave();
wake_up_gp();
} else
_CMM_STORE_SHARED(URCU_TLS(rcu_reader).ctr, tmp - RCU_GP_COUNT);