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-rw-r--r--kernel/sched/core.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4adcd237c54..3c4dec0594d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3469,6 +3469,21 @@ asmlinkage void __sched schedule(void)
}
EXPORT_SYMBOL(schedule);
+#ifdef CONFIG_RCU_USER_QS
+asmlinkage void __sched schedule_user(void)
+{
+ /*
+ * If we come here after a random call to set_need_resched(),
+ * or we have been woken up remotely but the IPI has not yet arrived,
+ * we haven't yet exited the RCU idle mode. Do it here manually until
+ * we find a better solution.
+ */
+ rcu_user_exit();
+ schedule();
+ rcu_user_enter();
+}
+#endif
+
/**
* schedule_preempt_disabled - called with preemption disabled
*