diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index b48955e9c920e32e09fcf9c0041cc720dbebe819..8cd11a2232605557353ed22a8a00d59729d5f97d 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -49,6 +49,11 @@ static inline bool irq_work_is_busy(struct irq_work *work)
 	return atomic_read(&work->node.a_flags) & IRQ_WORK_BUSY;
 }
 
+static inline bool irq_work_is_hard(struct irq_work *work)
+{
+	return atomic_read(&work->node.a_flags) & IRQ_WORK_HARD_IRQ;
+}
+
 bool irq_work_queue(struct irq_work *work);
 bool irq_work_queue_on(struct irq_work *work, int cpu);
 
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 90b6b56f92e9599e2149228a188229d932bc11f3..f7df715ec28e6de930c7b00d7f2789801761c07a 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -217,7 +217,8 @@ void irq_work_single(void *arg)
 	 */
 	(void)atomic_cmpxchg(&work->node.a_flags, flags, flags & ~IRQ_WORK_BUSY);
 
-	if (!arch_irq_work_has_interrupt())
+	if ((IS_ENABLED(CONFIG_PREEMPT_RT) && !irq_work_is_hard(work)) ||
+	    !arch_irq_work_has_interrupt())
 		rcuwait_wake_up(&work->irqwait);
 }
 
@@ -277,7 +278,8 @@ void irq_work_sync(struct irq_work *work)
 	lockdep_assert_irqs_enabled();
 	might_sleep();
 
-	if (!arch_irq_work_has_interrupt()) {
+	if ((IS_ENABLED(CONFIG_PREEMPT_RT) && !irq_work_is_hard(work)) ||
+	    !arch_irq_work_has_interrupt()) {
 		rcuwait_wait_event(&work->irqwait, !irq_work_is_busy(work),
 				   TASK_UNINTERRUPTIBLE);
 		return;