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Subject: Re: RFC: being more anal about iospace accesses..
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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Date: Sat, 11 Sep 2004 15:42:05 +0100
To: Linus Torvalds <torvalds@osdl.org>
Cc: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>, Andrew Morton <akpm@osdl.org>, Linux Arch list <linux-arch@vger.kernel.org>, "David S. Miller" <davem@redhat.com>, Jeff Garzik <jgarzik@pobox.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>
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On Sad, 2004-09-11 at 07:09, Linus Torvalds wrote:
> Anyway, last I remember, AMD machines could do strange things if you did 
> prefecthing on IO space. So this is not relegated to "weird 
> architectures".

Correct: 
Early Athlon cache corrupts for prefetch() of non prefetchable