drivers: hv: additional switch to use mb() instead of smp_mb()
authorQiang Huang <h.huangqiang@huawei.com>
Fri, 18 Apr 2014 09:29:24 +0000 (17:29 +0800)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 30 Apr 2014 15:23:27 +0000 (16:23 +0100)
commit683bce8d2ecebf16147103a49ad891191d390bd5
tree9060bbc0a10468d9d94ae3ccc4504bfbccfd4aa2
parent6ff2fec9fc73d071d62460acea6c064105fd67e5
drivers: hv: additional switch to use mb() instead of smp_mb()

commit e4af376d04b0(drivers: hv: switch to use mb() instead of smp_mb()),
the adjustment mistakenly dropped the change in hv_ringbuffer_read,
so add it.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/hv/ring_buffer.c