K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-04-07T05:31:22.243257Z
K 7
svn:log
V 292
hyperv: Use mb() instead of atomic_thread_fence_seq_cst()

Since atomic_thread_fence_seq_cst() will become compiler fence on UP kernel.

Reviewed by:	kib, Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5852

END