iommu/vt-d: Unify the way to process DMAR device scope array
Now we have a PCI bus notification based mechanism to update DMAR device scope array, we could extend the mechanism to support boot time initialization too, which will help to unify and simplify the implementation. Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com> Signed-off-by: NJoerg Roedel <joro@8bytes.org>
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