From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] sunvnet - add missing rmb() for sunvnet driver
Date: Mon, 08 Sep 2014 14:07:34 -0700 (PDT)
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From: David L Stevens <david.stevens@oracle.com>
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 <david.stevens@oracle.com>

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.