rcu: Enable stall warnings for synchronize_rcu_expedited()



This commit redirects synchronize_rcu_expedited()'s wait to
synchronize_sched_expedited_wait(), thus enabling RCU CPU
stall warnings.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent c5865638

kernel/rcu/tree_plugin.h

+1 −2

Original line number	Diff line number	Diff line
		@@ -761,8 +761,7 @@ void synchronize_rcu_expedited(void)

		/* Wait for snapshotted ->blkd_tasks lists to drain. */
		rnp = rcu_get_root(rsp);
		wait_event(rsp->expedited_wq,
		sync_rcu_preempt_exp_done(rnp));
		synchronize_sched_expedited_wait(rsp);

		/* Clean up and exit. */
		rcu_exp_gp_seq_end(rsp);