From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Harvey Harrison <harvey.harrison@gmail.com>
Cc: David Howells <dhowells@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: FRV/ARM unaligned access question
Date: Wed, 8 Oct 2008 08:35:20 +0100 [thread overview]
Message-ID: <20081008073519.GA19322@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1223450773.8195.80.camel@brick>
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.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
next prev parent reply other threads:[~2008-10-08 7:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-08 7:26 FRV/ARM unaligned access question Harvey Harrison
2008-10-08 7:35 ` Russell King [this message]
2008-10-08 7:36 ` Harvey Harrison
2008-10-08 9:10 ` Russell King
2008-10-08 9:34 ` Harvey Harrison
2008-10-08 11:16 ` David Howells
2008-10-08 20:22 ` Harvey Harrison
2008-10-09 11:35 ` David Howells
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