3 files changed, 17 insertions, 2 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index c9d8eb7f5c02..5be382fc9415 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -425,6 +425,10 @@ static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
 {
 	return desc->pending_mask;
 }
+static inline bool handle_enforce_irqctx(struct irq_data *data)
+{
+	return irqd_is_handle_enforce_irqctx(data);
+}
 bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear);
 #else /* CONFIG_GENERIC_PENDING_IRQ */
 static inline bool irq_can_move_pcntxt(struct irq_data *data)
@@ -451,6 +455,10 @@ static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
 {
 	return false;
 }
+static inline bool handle_enforce_irqctx(struct irq_data *data)
+{
+	return false;
+}
 #endif /* !CONFIG_GENERIC_PENDING_IRQ */
 
 #if !defined(CONFIG_IRQ_DOMAIN) || !defined(CONFIG_IRQ_DOMAIN_HIERARCHY)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 98a5f10d1900..1a7723604399 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -638,9 +638,15 @@ void irq_init_desc(unsigned int irq)
 int generic_handle_irq(unsigned int irq)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_data *data;
 
 	if (!desc)
 		return -EINVAL;
+
+	data = irq_desc_get_irq_data(desc);
+	if (WARN_ON_ONCE(!in_irq() && handle_enforce_irqctx(data)))
+		return -EPERM;
+
 	generic_handle_irq_desc(desc);
 	return 0;
 }
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 98c04ca5fa43..5064b13b80d6 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -72,8 +72,9 @@ void check_irq_resend(struct irq_desc *desc)
 		desc->istate &= ~IRQS_PENDING;
 		desc->istate |= IRQS_REPLAY;
 
-		if (!desc->irq_data.chip->irq_retrigger ||
-		    !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {
+		if ((!desc->irq_data.chip->irq_retrigger ||
+		    !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) &&
+		    !handle_enforce_irqctx(&desc->irq_data)) {
 #ifdef CONFIG_HARDIRQS_SW_RESEND
 			unsigned int irq = irq_desc_get_irq(desc);