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Date: Tue, 5 Feb 2013 10:42:21 -0500
From: Cyril Chemparathy <cyril@ti.com>
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To: Russell King - ARM Linux <linux@arm.linux.org.uk>
CC: Linus Walleij <linus.walleij@linaro.org>,
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Subject: Re: [PATCH v7 01/10] ARM: davinci: move private EDMA API to arm/common
References: <20130204154153.GA18237@arwen.pp.htv.fi> <510FF1A6.403@mvista.com> <20130204164712.GB4269@arwen.pp.htv.fi> <510FF5C9.3030600@mvista.com> <20130204170216.GC4269@arwen.pp.htv.fi> <51100A72.6030909@ti.com> <CACRpkdZihnp3_Df==QRWxQupgi7W_YXZxc-MxkusVH6J+Vx56A@mail.gmail.com> <20130204203358.GX4720@opensource.wolfsonmicro.com> <CACRpkdbPyZt8=pLhz-5qcaSSAk6VBn61dPTNp6teU9HksBwN2w@mail.gmail.com> <51102E25.8040107@ti.com> <20130205124120.GC17852@n2100.arm.linux.org.uk>
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On 02/05/2013 07:41 AM, Russell King - ARM Linux wrote:
> On Mon, Feb 04, 2013 at 04:54:45PM -0500, Cyril Chemparathy wrote:
>> You're assuming that cookies complete in order.  That is not necessarily
>> true.
>
> Under what circumstances is that not true?
>

Notably when hardware can prioritize certain classes of traffic over 
others, for instance with data center bridging mechanisms.