Neel Natu d38cae4aad Fix the witness warning that warned against calling uiomove() while holding
the 'vmmdev_mtx' in vmmdev_rw().

Rely on the 'si_threadcount' accounting to ensure that we never destroy the
VM device node while it has operations in progress (e.g. ioctl, mmap etc).

Reported by:	grehan
Reviewed by:	grehan
2013-10-16 00:58:47 +00:00
..
2013-09-18 18:49:26 +00:00