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
Date: Mon, 14 Feb 2005 10:47:01 +0100 [thread overview]
Message-ID: <20050214094701.GA323@attika.ath.cx> (raw)
In-Reply-To: <m1oeenh53g.fsf@muc.de>
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
next prev parent reply other threads:[~2005-02-14 9:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-13 21:31 PCI access mode on x86_64 Piotr Kaczuba
2005-02-14 9:18 ` Andi Kleen
2005-02-14 9:47 ` Piotr Kaczuba [this message]
2005-02-14 12:02 ` Andi Kleen
2005-02-14 15:46 ` Piotr Kaczuba
2005-02-14 19:15 ` Andi Kleen
2005-02-17 23:18 ` Greg KH
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