tree d04346a75dbc7146769da4519354f3bd3303d5c0
parent 3f0c3d0bb2bcc4b88b22452a7cf0073ee9a0f1e6
author Alex Williamson <alex.williamson@redhat.com> 1359065043 -0700
committer Gleb Natapov <gleb@redhat.com> 1359283290 +0200

kvm: Force IOMMU remapping on memory slot read-only flag changes

Memory slot flags can be altered without changing other parameters of
the slot.  The read-only attribute is the only one the IOMMU cares
about, so generate an un-map, re-map when this occurs.  This also
avoid unnecessarily re-mapping the slot when no IOMMU visible changes
are made.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>