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-rw-r--r--kernel/rcu/tiny.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
index 705c0d1685..4402d6f5f8 100644
--- a/kernel/rcu/tiny.c
+++ b/kernel/rcu/tiny.c
@@ -130,9 +130,7 @@ static __latent_entropy void rcu_process_callbacks(struct softirq_action *unused
next = list->next;
prefetch(next);
debug_rcu_head_unqueue(list);
- local_bh_disable();
rcu_reclaim_tiny(list);
- local_bh_enable();
list = next;
}
}
@@ -155,7 +153,9 @@ void synchronize_rcu(void)
lock_is_held(&rcu_lock_map) ||
lock_is_held(&rcu_sched_lock_map),
"Illegal synchronize_rcu() in RCU read-side critical section");
+ preempt_disable();
WRITE_ONCE(rcu_ctrlblk.gp_seq, rcu_ctrlblk.gp_seq + 2);
+ preempt_enable();
}
EXPORT_SYMBOL_GPL(synchronize_rcu);