linux-kernel - Re: [PATCH 14/20] parisc: use the new byteorder headers

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Message-Id: <1217656347.5846.9.camel@brick>
Date:	Fri, 01 Aug 2008 22:52:27 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Grant Grundler <grundler@...isc-linux.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Kyle McMartin <kyle@...artin.ca>,
	LKML <linux-kernel@...r.kernel.org>,
	"ralf@...ux-mips.org" <ralf@...ux-mips.org>,
	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
Subject: Re: [PATCH 14/20] parisc: use the new byteorder headers

On Fri, 2008-08-01 at 17:18 -0600, Grant Grundler wrote:
> On Fri, Aug 01, 2008 at 02:23:37PM -0700, Harvey Harrison wrote:
> ...
> > > Should this only be defined if BITS_PER_LONG is <=32  ?
> > 
> > The new byteorder headers only uses this if no __arch_swab64 is defined.
> > 
> > Further down in the parisc version, an __arch_swab64 is defined in the
> > BITS_PER_LONG >=32 case, making this moot.
> 
> Ok.
> 
> ...
> > Other than the endianness, any other concerns?
> 
> Have you had a chance to test this?

le-only personally (X86-32).

> Or can you point me at another big endian arch that has similar 
> use of header files that has been successfully tested?

AVR32 got a maintainer ack, I'm assuming that was tested.  It's not
functionally any different than the existing code really, other
than allowing compile-time folding in the cpu_to_{endian} helpers.

Mips was also acked, but that can be little or big endian.

> 
> I can arrange for access to parisc HW if you have time/interest
> in testing this yourself.

Sure, drop me a note.

Harvey

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