diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index f570e2caea04..4dc66287c5eb 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -43,7 +43,7 @@ static void __init init_irq_default_affinity(void)
 	if (!cpumask_available(irq_default_affinity))
 		zalloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
 	if (cpumask_empty(irq_default_affinity))
-		cpumask_setall(irq_default_affinity);
+		cpumask_set_cpu(0, irq_default_affinity);
 }
 #else
 static void __init init_irq_default_affinity(void)