From mboxrd@z Thu Jan  1 00:00:00 1970
From: thavatchai.makpahibulchoke@hp.com (Thavatchai Makphaibulcboke)
Date: Fri, 25 May 2012 11:05:55 -0600
Subject: [PATCH] lib/decompress_unxz.c: removing all memory helper
 functions
In-Reply-To: <4FBFB3F3.1000606@hp.com>
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 <20120525113432.3beea6ed@tukaani.org> <4FBFB3F3.1000606@hp.com>
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To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

> We could do that.  But according to the comment in the original
> implementation, there seems to be a concern regarding its performance
> speed. If you believe all archs' memcpy would give comparable
> performance to the memmove. then I could do that.
> 

Also how about the case for overlapping buffer, especially when the
destination is at a higher address?  I do not believe memcpy guarantee
to work.

Thanks,
Mak.