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-rw-r--r--arch/x86/xen/enlighten.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 8b60982e457..52f2292672c 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1085,8 +1085,25 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
},
};
+static void __init __xen_init_IRQ(void)
+{
+#ifdef CONFIG_X86_64
+ int i;
+
+ /* Create identity vector->irq map */
+ for(i = 0; i < NR_VECTORS; i++) {
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ per_cpu(vector_irq, cpu)[i] = i;
+ }
+#endif /* CONFIG_X86_64 */
+
+ xen_init_IRQ();
+}
+
static const struct pv_irq_ops xen_irq_ops __initdata = {
- .init_IRQ = xen_init_IRQ,
+ .init_IRQ = __xen_init_IRQ,
.save_fl = xen_save_fl,
.restore_fl = xen_restore_fl,
.irq_disable = xen_irq_disable,