diff options
| -rw-r--r-- | kernel/rcu/tree.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index f4edc664fb65..e56a46444775 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -479,7 +479,6 @@ module_param_cb(jiffies_till_next_fqs, &next_fqs_jiffies_ops, &jiffies_till_next module_param(rcu_kick_kthreads, bool, 0644); static void force_qs_rnp(int (*f)(struct rcu_data *rdp)); -static void force_quiescent_state(void); static int rcu_pending(void); /* @@ -504,15 +503,6 @@ unsigned long rcu_exp_batches_completed(void) EXPORT_SYMBOL_GPL(rcu_exp_batches_completed); /* - * Force a quiescent state. - */ -void rcu_force_quiescent_state(void) -{ - force_quiescent_state(); -} -EXPORT_SYMBOL_GPL(rcu_force_quiescent_state); - -/* * Convert a ->gp_state value to a character string. */ static const char *gp_state_getname(short gs) @@ -1310,7 +1300,7 @@ static void print_other_cpu_stall(unsigned long gp_seq) panic_on_rcu_stall(); - force_quiescent_state(); /* Kick them all. */ + rcu_force_quiescent_state(); /* Kick them all. */ } static void print_cpu_stall(void) @@ -2578,7 +2568,7 @@ static void force_qs_rnp(int (*f)(struct rcu_data *rdp)) * Force quiescent states on reluctant CPUs, and also detect which * CPUs are in dyntick-idle mode. */ -static void force_quiescent_state(void) +void rcu_force_quiescent_state(void) { unsigned long flags; bool ret; @@ -2610,6 +2600,7 @@ static void force_quiescent_state(void) raw_spin_unlock_irqrestore_rcu_node(rnp_old, flags); rcu_gp_kthread_wake(); } +EXPORT_SYMBOL_GPL(rcu_force_quiescent_state); /* * This function checks for grace-period requests that fail to motivate @@ -2801,9 +2792,9 @@ static void __call_rcu_core(struct rcu_data *rdp, struct rcu_head *head, /* * Force the grace period if too many callbacks or too long waiting. - * Enforce hysteresis, and don't invoke force_quiescent_state() + * Enforce hysteresis, and don't invoke rcu_force_quiescent_state() * if some other CPU has recently done so. Also, don't bother - * invoking force_quiescent_state() if the newly enqueued callback + * invoking rcu_force_quiescent_state() if the newly enqueued callback * is the only one waiting for a grace period to complete. */ if (unlikely(rcu_segcblist_n_cbs(&rdp->cblist) > @@ -2820,7 +2811,7 @@ static void __call_rcu_core(struct rcu_data *rdp, struct rcu_head *head, rdp->blimit = LONG_MAX; if (rcu_state.n_force_qs == rdp->n_force_qs_snap && rcu_segcblist_first_pend_cb(&rdp->cblist) != head) - force_quiescent_state(); + rcu_force_quiescent_state(); rdp->n_force_qs_snap = rcu_state.n_force_qs; rdp->qlen_last_fqs_check = rcu_segcblist_n_cbs(&rdp->cblist); } |