This adds a request_mem_region() for the DRHD registers. The AMD code has similar code in iommu_map_mmio_space().
This helps avoid address conflicts when assigning PCI BARs. --- Bjorn Helgaas (2): resources: set type of new resource returned by __request_region() iommu: Request IOMMU CSR space drivers/iommu/dmar.c | 41 ++++++++++++++++++++++++++++++++--------- include/linux/intel-iommu.h | 2 ++ kernel/resource.c | 3 ++- 3 files changed, 36 insertions(+), 10 deletions(-) _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu