iommu/vt-d: Introduce __mapping_notify_one()

Introduce this new helper to notify one newly created mapping on one
single IOMMU.  We can further leverage this helper in the next patch.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
1 file changed