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-rw-r--r--kernel/rcu/tree.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 29669070348e..d3caa82b9954 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3741,7 +3741,9 @@ static int rcu_blocking_is_gp(void)
{
int ret;
- if (IS_ENABLED(CONFIG_PREEMPTION))
+ // Invoking preempt_model_*() too early gets a splat.
+ if (rcu_scheduler_active == RCU_SCHEDULER_INACTIVE ||
+ preempt_model_full() || preempt_model_rt())
return rcu_scheduler_active == RCU_SCHEDULER_INACTIVE;
might_sleep(); /* Check for RCU read-side critical section. */
preempt_disable();