diff options
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
-rw-r--r-- | drivers/iommu/intel-iommu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 2be8e23448ee..6784a05dd6b2 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -876,6 +876,13 @@ static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devf struct pci_dev *pf_pdev; pdev = to_pci_dev(dev); + +#ifdef CONFIG_X86 + /* VMD child devices currently cannot be handled individually */ + if (is_vmd(pdev->bus)) + return NULL; +#endif + /* VFs aren't listed in scope tables; we need to look up * the PF instead to find the IOMMU. */ pf_pdev = pci_physfn(pdev); |