diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index ce5f81d7cc6b859a7301c1929a127498e516ce58..1e6e2d0353ea52987e6ef25a5baf42173c0cea03 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -235,6 +235,11 @@ static void __init intc_subgroup_map(struct intc_desc_int *d)
 
 		irq_set_handler_data(irq, (void *)entry->handle);
 
+		/*
+		 * Set the virtual IRQ as non-threadable.
+		 */
+		irq_set_nothread(irq);
+
 		irq_set_chained_handler(entry->pirq, intc_virq_handler);
 		add_virq_to_pirq(entry->pirq, irq);