On Wed, 1 Aug 2007, Alan Cox wrote: > An awful lot of vendors get it horribly wrong and many end up needing > configuration space access even in IRQ handlers. Dishonourable mentions > to ATI for example ;) Hmm, wasn't there a host bridge that used bit-banged access to the PCI configuration space? ;-) I have a vague recollection; it might have been something else though. Maciej