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Date: Mon, 14 Jan 2002 17:02:25 -0800
From: Jesse Barnes <jbarnes@sgi.com>
To: Anton Blanchard <anton@samba.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: memory-mapped i/o barrier
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On Mon, Jan 14, 2002 at 05:24:54PM +1100, Anton Blanchard wrote:
> Can loads/stores also complete out of order to IO? (the example just shows
> a store from one cpu passing one from another cpu)

I'm not sure what you mean, do you have an example?

> On ppc32/ppc64 this can happen, it is fixed up in the low level pci
> routines. Is there a case where you cant wrap it up in the low level
> routines like ppc32/ppc64?

You mean in each outX routine you essentially do an mmiob()?

Jesse
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