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Date: Mon, 30 Mar 2009 12:22:03 -0500
From: Scott Wood <scottwood@freescale.com>
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To: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Subject: Re: [PATCH] ucc_geth: Rework the TX logic.
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Joakim Tjernlund wrote:
> gianfar does not seem to use in_/out_ functions for the BDs. Works just
> fine that too it seems.

It does now that it has explicit barriers in a few places.  Before they 
were added, it would sometimes fail under load.  That was due to a 
compiler reordering, but CPU reordering was possible as well.

-Scott