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Diffstat (limited to 'drivers/pci/intr_remapping.c')
| -rw-r--r-- | drivers/pci/intr_remapping.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index ebfa47b..ac06514 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -611,6 +611,9 @@ int __init intr_remapping_supported(void) if (disable_intremap) return 0; + if (!dmar_ir_support()) + return 0; + for_each_drhd_unit(drhd) { struct intel_iommu *iommu = drhd->iommu; |