x86: add debug info for 32bit sparse_irq
so could figure out bugs where we get an interrupt, but vector_irq is
not initialized yet.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index b51ffdc..cc929f2 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -237,8 +237,8 @@
desc = irq_to_desc(irq);
if (unlikely(!desc)) {
- printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n",
- __func__, irq, vector);
+ printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x cpu %d\n",
+ __func__, irq, vector, smp_processor_id());
BUG();
}