Subject: Re: pointer atomicity
To: Chapman Flack <nblists@anastigmatix.net>
From: Ignatios Souvatzis <is@netbsd.org>
List: tech-kern
Date: 01/11/2006 23:01:17
On Wed, Jan 11, 2006 at 09:27:01PM +0000, David Laight wrote:
> On Wed, Jan 11, 2006 at 04:18:27PM -0500, Chapman Flack wrote:
> > Is there any port where the simple read or simple write
> > of a single pointer is nonatomic?
> 
> i386 when the data is misaligned and crosses a page boundary and the
> second read faults.

m68k, too, afaik.

	-is
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