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-rw-r--r--kernel/rcupdate.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 8df1156..bd5d5c8 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -238,7 +238,8 @@ static int __cpuinit rcu_barrier_cpu_hotplug(struct notifier_block *self,
call_rcu_bh(rcu_migrate_head, rcu_migrate_callback);
call_rcu_sched(rcu_migrate_head + 1, rcu_migrate_callback);
call_rcu(rcu_migrate_head + 2, rcu_migrate_callback);
- } else if (action == CPU_POST_DEAD) {
+ } else if (action == CPU_DOWN_PREPARE) {
+ /* Don't need to wait until next removal operation. */
/* rcu_migrate_head is protected by cpu_add_remove_lock */
wait_migrated_callbacks();
}
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