K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-07-11T07:45:31.746127Z
K 7
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V 284
hyperv/vmbus: Create channel synchronously.

The device probe/attach has been move to a different thread, so the
reasons to create the channel asynchronously are no longer valid.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6862

END