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hyperv: Use mb() instead of atomic_thread_fence_seq_cst()
authorSepherosa Ziehau <sephe@FreeBSD.org>
Thu, 7 Apr 2016 05:31:22 +0000 (05:31 +0000)
committerSepherosa Ziehau <sephe@FreeBSD.org>
Thu, 7 Apr 2016 05:31:22 +0000 (05:31 +0000)
commitd8258c4498ed7d096573b7210a69d0aa8b5852b7
tree19280e4e47c34d0ab15c0b86a6a615286792263atree | snapshot
parentae34b6ff96e7c0689c3da91f09fb57b34f06252ccommit | diff
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
sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c diff | blob | history
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