1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index b4d39507681a..1c0255e4ff29 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -902,6 +902,7 @@ static int intel_setup_ioapic_entry(int irq,
         return 0;
 }
 
+#ifdef CONFIG_SMP
 /*
  * Migrate the IO-APIC irq in the presence of intr-remapping.
  *
@@ -955,6 +956,7 @@ intel_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
         cpumask_copy(data->affinity, mask);
         return 0;
 }
+#endif
 
 static void intel_compose_msi_msg(struct pci_dev *pdev,
                                   unsigned int irq, unsigned int dest,
@@ -1056,7 +1058,9 @@ struct irq_remap_ops intel_irq_remap_ops = {
         .reenable               = reenable_irq_remapping,
         .enable_faulting        = enable_drhd_fault_handling,
         .setup_ioapic_entry     = intel_setup_ioapic_entry,
+#ifdef CONFIG_SMP
         .set_affinity           = intel_ioapic_set_affinity,
+#endif
         .free_irq               = free_irte,
         .compose_msi_msg        = intel_compose_msi_msg,
         .msi_alloc_irq          = intel_msi_alloc_irq,