Re: proper way to assign fixed PCI resources to a "hotplug" device

[Ivan Kokshaysky <ink@jurassic.park.msu.ru>]

On Wed, Mar 08, 2006 at 01:57:34PM -0800, thockin@hockin.org wrote:
> > Otherwise we have plenty of MMIO space.
> 
> Not true.  Plenty of root bridges have the same base/limit style
> configuration registers, but they are non-standard.  Even worse - the MMIO
> hole thatthe chipset carves out, is not guaranteed to be big enough for
> some new random allocation.

I'm intrigued. Care to give us an example of such system (where the
root bridge window is too small), please? lspci -vxxx?

> Cleaning up and re-doing are not the same thing.  The plethora of x86
> chipsets makes this unpleasant at best and more likely unworkable.

Yes, re-doing is a LOT simpler. ;-)
If needed, we could introduce 'pci=totallyingnorefsckingbiossettings'
boot option - it would be 10 or less lines of code.

Ivan.
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