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Date: Sat, 7 Aug 2010 00:54:59 +0200
Message-ID: <AANLkTiki_69rgDCrMGtYwNmsp35EYiUedbLnYM_dvv+a@mail.gmail.com>
Subject: Re: [PATCH 2/2] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells
From: Linus Walleij <linus.ml.walleij@gmail.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Alessandro Rubini <rubini@unipv.it>, peter.pearse@arm.com,
        viresh.kumar@st.com, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, yuanyabin1978@sina.com,
        ben-linux@fluff.org, kgene.kim@samsung.com, rmk@arm.linux.org.uk
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2010/8/6 Dan Williams <dan.j.williams@intel.com>:

>?One
> thing that should be on the todo list is to review the usage of memory
> barriers. ?I don't think they are serving the purpose that you think
> they are.

All of those are from Peters original implementation, I never use any
barriers so they actually looked alien to me. Unless I get a clear
rationale from Peter I'll just remove them all for the time being in
the fix-up version due after updating to generic slave control.

Yours,
Linus Walleij
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