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From: David Woodhouse <dwmw2@infradead.org>
To: Mark Fortescue <mark@mtfhpc.demon.co.uk>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	sparclinux@vger.kernel.org, David Miller <davem@davemloft.net>,
	Christoph Lameter <clameter@engr.sgi.com>,
	William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [PATCH] Re: Sparc32: random invalid instruction occourances on sparc32 (sun4c)
Date: Wed, 04 Jul 2007 10:46:03 -0400	[thread overview]
Message-ID: <1183560364.29081.106.camel@shinybook.infradead.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0707041121290.31752@mtfhpc.demon.co.uk>

On Wed, 2007-07-04 at 11:27 +0100, Mark Fortescue wrote:
> Another related point that may also need to be considered is that I think 
> I am correct in saying that on ARM and on the 64bit platforms, sizeof 
> (unsigned long long) is 16 (128bits).

No, it's always 64 bits.

> Should the RedZone words be specified as __u64 not the unsigned long long 
> used or does the alignment need to be that of unsigned long long ?

You have to play silly buggers with printk formats (%lx vs. %llx) if you
do that. And you have to make a choice about using proper C types or the
Linux-specific nonsense. 'unsigned long long' is just easier all round.

-- 
dwmw2

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  reply	other threads:[~2007-07-04 14:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <468A7D14.1050505@googlemail.com>
2007-07-03 17:29 ` Mark Fortescue
2007-07-03 18:57   ` [PATCH] " Mark Fortescue
2007-07-03 19:26     ` David Woodhouse
2007-07-03 21:25       ` Mark Fortescue
2007-07-03 21:56         ` David Woodhouse
2007-07-03 22:47           ` Mark Fortescue
2007-07-03 23:36             ` David Woodhouse
2007-07-04  3:27               ` Mark Fortescue
2007-07-04  3:33                 ` David Woodhouse
2007-07-04 10:27                   ` Mark Fortescue
2007-07-04 14:46                     ` David Woodhouse [this message]
2007-07-04 18:38                       ` Mark Fortescue
2007-07-03 21:41       ` David Miller, David Woodhouse
2007-07-03 22:01         ` David Woodhouse

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