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iommu/vt-d: Remove device comparison in context_setup_pass_through_cb

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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: 2031c469f8 ("iommu/vt-d: Add support for static identity domain")
Closes: https://lore.kernel.org/linux-iommu/82499eb6-00b7-4f83-879a-e97b4144f576@linux.intel.com/
Cc: stable@vger.kernel.org
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20250224180316.140123-1-jsnitsel@redhat.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jerry Snitselaar 2025-02-28 18:27:25 +08:00 • committed by Joerg Roedel
parent c5b0320bbf
commit 64f792981e
1 changed files with 0 additions and 3 deletions
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3
drivers/iommu/intel/iommu.c
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@ -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);
}