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-rw-r--r--kernel/rcu/tree_stall.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 43dc688c3785..bca637b274fb 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -602,7 +602,7 @@ void show_rcu_gp_kthreads(void)
continue;
for_each_leaf_node_possible_cpu(rnp, cpu) {
rdp = per_cpu_ptr(&rcu_data, cpu);
- if (rdp->gpwrap ||
+ if (READ_ONCE(rdp->gpwrap) ||
ULONG_CMP_GE(READ_ONCE(rcu_state.gp_seq),
READ_ONCE(rdp->gp_seq_needed)))
continue;