Re: [patch 2.5] 2-pass PCI probing, generic part

[Alan Cox]

On Thu, 2003-01-09 at 22:26, Benjamin Herrenschmidt wrote:
> I completely agree. For example, I have already a bunch of cases where I
> have to explicitely "hide" the host bridge from linux PCI layer as those
> have BARs that mustn't be touched. A typical example is the 405gp
> internal PCI host. It has a BAR that represents the view of system RAM
> from bus mastering PCI devices. Of course, the kernel doesn't understand
> that and tries to remap it away from 0 where it belongs ;)

Ditto The X-box people would like to explicitly hide a pile of apparently ghost
devices that hang the bus solid if you read them.