commit3254de6bf7upstream. Not doing so might cause IO-Page-Faults when a device uses an alias request-id and the alias-dte is left in a lower page-mode which does not cover the address allocated from the iova-allocator. Fixes:492667dacc('x86/amd-iommu: Remove amd_iommu_pd_table') Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>