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Date: Mon, 14 Feb 2005 10:47:01 +0100
From: Piotr Kaczuba <pepe@attika.ath.cx>
To: Andi Kleen <ak@muc.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PCI access mode on x86_64
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References: <20050213213117.GA18812@attika.ath.cx> <m1oeenh53g.fsf@muc.de>
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On Mon, Feb 14, 2005 at 10:18:43AM +0100, Andi Kleen wrote:
> Piotr Kaczuba <pepe@attika.ath.cx> writes:
> > Is there a reason why "PCI access mode" config option isn't available for
> > x86_64? Due to this, PCIE config options aren't available either.
> 
> There is no 64bit PCI BIOS, so access is always direct.
> 
> I assume you mean mmconfig access with "PCIE config options", that is
> a separate config option and available.

I mean the PCIEPORTBUS option which depends on PCI_GOMMCONFIG or
PCI_GOANY. I assume that due to PCI_MMCONFIG / PCI_GOMMCONFIG mismatch
it's not available on x86_64.

Piotr Kaczuba