linux-kernel - Re: pci-disable-decode-of-io-memory-during-bar-sizing.patch

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Date:	Tue, 30 Oct 2007 20:37:14 +0100
From:	Andi Kleen <ak@...e.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Robert Hancock <hancockr@...w.ca>, Greg KH <greg@...ah.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	akpm@...ux-foundation.org, rajesh.shah@...el.com,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: pci-disable-decode-of-io-memory-during-bar-sizing.patch

On Tuesday 30 October 2007 20:06:12 Linus Torvalds wrote:
> 
> On Tue, 30 Oct 2007, Andi Kleen wrote:
> > 
> > Also there are still the old x86 Macs where conf1 doesn't work.
> 
> I don't think that was ever true. That was a made-up rumor by the EFI 
> people who were just confused.
> There's no way to disable conf1 accesses on any known chipset, afaik.

There was a tester with such a machine and he complained until
the heuristic handled this case.  So there is evidence it 
really was like this.

-Andi
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