xen/gntdev: prevent unsynchronized accesses to the map entry
vm_map_lookup_done should only be called when the gntdev has finished poking at
the entry.
Reported by: alc
Reviewed by: alc
MFC after: 1 week
Sponsored by: Citrix Systems R&D
xen/gntdev: prevent unsynchronized accesses to the map entry Tags None Referenced Files None Subscribers None
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