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Subject: Re: [PATCH] mtd/nand: use string library
From: Joe Perches <joe@perches.com>
To: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 27 Jan 2012 09:16:29 -0800
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On Fri, 2012-01-27 at 23:24 +0900, Akinobu Mita wrote:
> - Use memchr_inv to check if the data contains all 0xFF bytes.
>   It is faster than looping for each byte.

Stupid question:

Are there any mtd devices modified that are slower
at 64 bit accesses than repeated 8 bit accesses?