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[Xen-devel] [PATCH] x86: fix debug key 'i' handling with no IO-APICs
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] x86: fix debug key 'i' handling with no IO-APICs |
| From: | "Jan Beulich" <JBeulich@xxxxxxxxxx> |
| Date: | Tue, 14 Sep 2010 09:53:08 +0100 |
| Delivery-date: | Tue, 14 Sep 2010 01:53:24 -0700 |
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Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
--- a/xen/arch/x86/io_apic.c
+++ b/xen/arch/x86/io_apic.c
@@ -2463,6 +2463,9 @@ void dump_ioapic_irq_info(void)
unsigned int irq, pin, printed = 0;
unsigned long flags;
+ if ( !irq_2_pin )
+ return;
+
for ( irq = 0; irq < nr_irqs_gsi; irq++ )
{
entry = &irq_2_pin[irq];
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