linux-kernel - Re: FRV/ARM unaligned access question

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Message-Id: <1223451379.8195.88.camel@brick>
Date:	Wed, 08 Oct 2008 00:36:19 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Russell King <rmk+lkml@....linux.org.uk>
Cc:	David Howells <dhowells@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: FRV/ARM unaligned access question

On Wed, 2008-10-08 at 08:35 +0100, Russell King wrote:
> On Wed, Oct 08, 2008 at 12:26:13AM -0700, Harvey Harrison wrote:
> > I noticed that frv/arm are the only two arches that currently use open-coded
> > byteshifting routines for both the cpu endianness and the other endianness
> > whereas just about all the other arches use a packed-struct version for the
> > cpu-endian and then the byteshifting versions (lifted from arm) for the other
> > endianness.
> 
> I'm sorry, I think you're mistaken.  I've looked at x86, m68k and
> parisc, and they all use assembly for their swab functions in
> asm/byteorder.h.
> 

Sorry, not talking about byteorder at the moment, talking about
unaligned.h.

Cheers,

Harvey

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