kernel/rcu/srcutree.c

670 		return; /* Caller forgot to stop doing call_srcu()? */
1319  * preceded the call to call_srcu().  It also means that each CPU executing
1321  * "func()" must have executed a memory barrier after the call_srcu()
1326  * Furthermore, if CPU A invoked call_srcu() and CPU B invoked the
1329  * interval between the call to call_srcu() and the invocation of "func()".
1333  * Of course, these guarantees apply only for invocations of call_srcu(),
1341 		/* Probable double call_srcu(), so leak the callback. */
1343 		WARN_ONCE(1, "call_srcu(): Leaked duplicate callback\n");
1351  * call_srcu() - Queue a callback for invocation after an SRCU grace period
1360  * critical sections that started after call_srcu() was invoked.  SRCU
1367 void call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp,
1372 EXPORT_SYMBOL_GPL(call_srcu);
1489  * call_srcu() after return from get_state_synchronize_srcu().
1589  * srcu_barrier - Wait until all in-flight call_srcu() callbacks complete.
1936 	 * Once that is set, call_srcu() can follow the normal path and