From: Chris Ball <chris@printf.net>
To: Apelete Seketeli <apelete@seketeli.net>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
H Hartley Sweeten <hsweeten@visionengravers.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
Alex Smith <alex.smith@imgtec.com>,
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 2/2] mmc: jz4740: prepare next dma transfer in parallel with current transfer
Date: Tue, 12 Aug 2014 19:12:33 +0100 [thread overview]
Message-ID: <86y4ut60ha.fsf@void.printf.net> (raw)
In-Reply-To: <1405917465-18185-3-git-send-email-apelete@seketeli.net> (Apelete Seketeli's message of "Mon, 21 Jul 2014 06:37:45 +0200")
Hi Apelete,
On Mon, Jul 21 2014, Apelete Seketeli wrote:
> It should help reduce the impact of DMA preparation overhead on the SD
> card performance.
Did you do any benchmarking to check that this is true? (If so, it'd
be good to note what performance change you saw in the commit message.)
Thanks!
- Chris.
--
Chris Ball <http://printf.net/>
next prev parent reply other threads:[~2014-08-12 18:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-21 4:37 [PATCH v6 0/2] Use DMA for data transfers in JZ4740 MMC driver Apelete Seketeli
2014-07-21 4:37 ` [PATCH v6 1/2] mmc: jz4740: add dma infrastructure for data transfers Apelete Seketeli
2014-08-12 16:21 ` Ulf Hansson
2014-07-21 4:37 ` [PATCH v6 2/2] mmc: jz4740: prepare next dma transfer in parallel with current transfer Apelete Seketeli
2014-08-12 16:22 ` Ulf Hansson
2014-08-12 18:10 ` Apelete Seketeli
2014-08-12 20:15 ` Ulf Hansson
2014-08-12 18:12 ` Chris Ball [this message]
2014-08-12 20:02 ` Apelete Seketeli
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