Messages in this thread | | | Subject | [PATCH 0/2] iommu: request CSR space | From | Bjorn Helgaas <> | Date | Fri, 18 May 2012 17:18:26 -0600 |
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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.
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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(-)
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