When using device assignment, new page mappings are added to the iommu,
but never removed. Fix it. We're also lazy about tearing down the
iommu and unpinning the guest when we have no assigned devices attached.
Instead of waiting for the vm to be destroyed, do these cleanups when
we deassign the last assigned device. Thanks,
Alex
---
Alex Williamson (2):
kvm: unpin guest and free iommu domain after deassign last device
kvm: unmap pages from the iommu when slots are removed
include/linux/kvm_host.h | 6 ++++++
virt/kvm/assigned-dev.c | 3 +++
virt/kvm/iommu.c | 8 +++++++-
virt/kvm/kvm_main.c | 5 +++--
4 files changed, 19 insertions(+), 3 deletions(-)
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