diff options
| author | Qiang Huang <h.huangqiang@huawei.com> | 2014-04-18 17:29:24 +0800 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2014-04-30 16:23:27 +0100 |
| commit | 683bce8d2ecebf16147103a49ad891191d390bd5 (patch) | |
| tree | 9060bbc0a10468d9d94ae3ccc4504bfbccfd4aa2 | |
| parent | 6ff2fec9fc73d071d62460acea6c064105fd67e5 (diff) | |
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>
| -rw-r--r-- | drivers/hv/ring_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 810658e8211..d01edf3c7b2 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -485,7 +485,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, void *buffer, /* Make sure all reads are done before we update the read index since */ /* the writer may start writing to the read area once the read index */ /*is updated */ - smp_mb(); + mb(); /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); |