Remove the device comparison check in context_setup_pass_through_cb. pci_for_each_dma_alias already makes a decision on whether the callback function should be called for a device. With the check in place it will fail to create context entries for aliases as it walks up to the root bus.
Fixes: 2031c469f816 ("iommu/vt-d: Add support for static identity domain") Closes: https://lore.kernel.org/linux-iommu/82499eb6-00b7-4f83-879a-e97b4144f576@lin... Cc: Joerg Roedel joro@8bytes.org Cc: Lu Baolu baolu.lu@linux.intel.com Cc: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Jerry Snitselaar jsnitsel@redhat.com --- drivers/iommu/intel/iommu.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index cc46098f875b..4d8d4593c9c8 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4378,9 +4378,6 @@ static int context_setup_pass_through_cb(struct pci_dev *pdev, u16 alias, void * { struct device *dev = data;
- if (dev != &pdev->dev) - return 0; - return context_setup_pass_through(dev, PCI_BUS_NUM(alias), alias & 0xff); }