linux-kernel - Re: [PATCH 3/4] xtensa: Change unaligned access to use packed struct implementation

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Date:	Thu, 09 Oct 2008 22:39:47 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Chris Zankel <chris@...kel.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Bob Wilson <bwilson@...silica.com>
Subject: Re: [PATCH 3/4] xtensa: Change unaligned access to use packed
 struct implementation

On Thu, 2008-10-09 at 22:16 -0700, Chris Zankel wrote:
> Hi Harvey,
> 
> Please allow me a couple of days to look into it. I don't know the 
> historic reasons why the memmove variant was chosen.
> 
> Thanks,
> -Chris
> 

Sure, from the comments in the original version, it looks like it was done
this way to avoid __builtin_memcpy from being generated.  But maybe there was another
reason?

Harvey



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