linux-kernel - Re: [PATCH v8 00/12] use nonblock mmc requests to minimize latency

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Date:	Sun, 3 Jul 2011 22:53:45 +0200
From:	Per Forlin <per.forlin@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	linaro-dev@...ts.linaro.org,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chris Ball <cjb@...top.org>,
	Nickolay Nickolaev <nicknickolaev@...il.com>
Subject: Re: [PATCH v8 00/12] use nonblock mmc requests to minimize latency

On 2 July 2011 21:37, Arnd Bergmann <arnd@...db.de> wrote:
> On Saturday 02 July 2011 14:29:38 Russell King - ARM Linux wrote:
>> One other thing to be considered here is whether this idea should be
>> limited to just MMC or whether it should be extended further, to
>> move the DMA mapping stuff out of the hot path for other block devices
>> too.
>>
>> There are ARM systems with SATA which do 28MB/s - which could be
>> improved by this technique.
>
> Excellent point. We had discussed SATA items in the context of Linaro
> work before, and the conclusion was always that we wouldn't need to
> do any work for it in the common code. I'll make sure that we bring
> it up at the meeting next month in Cambridge so we can officially
> assign someone to do this.
>
Arnd, do you know if any of the Linaro boards have SATA?

Regards,
Per
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