From: David Miller <davem@davemloft.net> Date: 2014-09-08 21:07:37
From: David L Stevens <redacted>
Date: Mon, 08 Sep 2014 16:23:01 -0400
The sunvnet driver does not have an rmb() in the ring consumer corresponding
to the wmb() in the producer. According to Documentation/memory-barriers.txt:
...
Signed-off-by: David L Stevens <redacted>
I'll apply this, but I just remembered that the kernel always runs in
the TSO memory model these days and thus all the memory barriers are
NOPs.