Re: PCI access mode on x86_64

[Greg KH]

On Mon, Feb 14, 2005 at 01:02:05PM +0100, Andi Kleen wrote:
> On Mon, Feb 14, 2005 at 10:47:01AM +0100, Piotr Kaczuba wrote:
> > On Mon, Feb 14, 2005 at 10:18:43AM +0100, Andi Kleen wrote:
> > > Piotr Kaczuba <pepe@xxxxxxxxxxxxx> 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.
> 
> Ok, that's a bug in PCIEPORTBUS.  Best is probably to 
> completely remove the dependency, it doesn't make much sense
> (the code has to handle the case of mmconfig not being available at 
> runtime anyways) 
> 
> -Andi
> 
> Remove bogus dependency in PCI Express root driver.

Applied, thanks.

greg k-h

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