[Xen-devel] [PATCH] [VTD] Move dom0 RMRR check to intel_iommu_remove_device()

["Han, Weidong" <weidong.han@xxxxxxxxx>]

If put dom0 RMRR check in domain_context_unmap_one(), the devices with
RMRR cannot be assigned to other domain, becuase
domain_context_unmap_one() won't unmap context for them, and dom0 always
owns them. This patch moves the check to intel_iommu_remove_device()
which is only called by dom0 hypercall.  This not olny guarantees
keeping RMRR mappings for dom0 during its booting, but also won't impact
device assignment.

Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>

Attachment: dom0-rmrr.patch
Description: dom0-rmrr.patch

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