3.2.58-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Qiang Huang <h.huangqi...@huawei.com>
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.huangqi...@huawei.com>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
drivers/hv/ring_buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -485,7 +485,7 @@ int hv_ringbuffer_read(struct hv_ring_bu
/* 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);
--
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