netdev - Re: [PATCH net] sunvnet - add missing rmb() for sunvnet driver

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Message-Id: <20140908.140734.753711817014352432.davem@davemloft.net>
Date:	Mon, 08 Sep 2014 14:07:34 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	david.stevens@...cle.com
Cc:	sowmini.varadhan@...cle.com, raghuram.kothakota@...cle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net] sunvnet - add missing rmb() for sunvnet driver

From: David L Stevens <david.stevens@...cle.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@...cle.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.
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