On Mon, Feb 17, 2014 at 09:32:35AM +0100, Gerd Hoffmann wrote: > On So, 2014-02-16 at 17:53 +0200, Michael S. Tsirkin wrote: > > On Fri, Feb 07, 2014 at 01:51:27PM +0100, Igor Mammedov wrote: > > > Since introduction of PCIHP, it became problematic to > > > punch hole in PCI0._CRS statically since PCI hotplug > > > region size became runtime changeable. > > > > What makes it runtime changeable? > > machine type. q35 / piix map them at different locations.
That's not dynamic. We can load the correct ones per DSDT. > Also we might want to this also for devices which are > runtime-configurable (isa-debugcon, pvpanic, ...). That's more convincing, but I don't want knowledge of all these devices in acpi-build. Also we need to make seabios avoid these ranges when enumerating devices. How does it know to avoid them ATM? > > cheers, > Gerd >