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 <paul...@linux.vnet.ibm.com>
---
kernel/rcu/tree_plugin.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 7b61cece80c0..ffeb99e550e8 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -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);
--
2.5.2
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