diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index af8904de1d44..cb9a72d4cc09 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -617,6 +617,14 @@ static int __init intel_enable_irq_remapping(void) goto error; irq_remapping_enabled = 1; + + /* + * VT-d has a different layout for IO-APIC entries when + * interrupt remapping is enabled. So it needs a special routine + * to print IO-APIC entries for debugging purposes too. + */ + x86_io_apic_ops.print_entries = intel_ir_io_apic_print_entries; + pr_info("Enabled IRQ remapping in %s mode\n", eim ? "x2apic" : "xapic"); return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE; |