diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 3e070bb..41b29cf 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -180,6 +180,9 @@ void __init arch_early_irq_init(void)
 	cfg = irq_cfgx;
 	count = ARRAY_SIZE(irq_cfgx);
 
+	printk(KERN_DEBUG
+		 "calling arch_early_irq_init with count=%d\n", count);
+
 	for (i = 0; i < count; i++) {
 		desc = irq_to_desc(i);
 		desc->chip_data = &cfg[i];
diff --git a/init/main.c b/init/main.c
index f10a499..dadff40 100644
--- a/init/main.c
+++ b/init/main.c
@@ -544,10 +544,12 @@ void __init __weak thread_info_cache_init(void)
 
 void __init __weak arch_early_irq_init(void)
 {
+	printk(KERN_DEBUG "calling __weak arch_early_irq_init\n");
 }
 
 void __init __weak early_irq_init(void)
 {
+	printk(KERN_DEBUG "calling __weak early_irq_init\n");
 	arch_early_irq_init();
 }
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 6492400..c7f4404 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -56,10 +56,6 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 int nr_irqs = NR_IRQS;
 EXPORT_SYMBOL_GPL(nr_irqs);
 
-void __init __attribute__((weak)) arch_early_irq_init(void)
-{
-}
-
 #ifdef CONFIG_SPARSE_IRQ
 static struct irq_desc irq_desc_init = {
 	.irq	    = -1,
@@ -143,6 +139,9 @@ void __init early_irq_init(void)
 	desc = irq_desc_legacy;
 	legacy_count = ARRAY_SIZE(irq_desc_legacy);
 
+	printk(KERN_DEBUG
+		 "calling early_irq_init with legacy_count=%d\n", legacy_count);
+
 	for (i = 0; i < legacy_count; i++) {
 		desc[i].irq = i;
 		desc[i].kstat_irqs = kstat_irqs_legacy[i];