summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/rcu/tiny.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
index 4470af926a34..4402d6f5f857 100644
--- a/kernel/rcu/tiny.c
+++ b/kernel/rcu/tiny.c
@@ -153,7 +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);