diff options
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a341927d9536..00f46021d690 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1408,6 +1408,7 @@ static void iommu_enable_dev_iotlb(struct device_domain_info *info) info->pri_enabled = 1; #endif if (!pdev->untrusted && info->ats_supported && + pci_ats_page_aligned(pdev) && !pci_enable_ats(pdev, VTD_PAGE_SHIFT)) { info->ats_enabled = 1; domain_update_iotlb(info->domain); |