> > While being at it: Shouldn't we reserve these port ranges somehow? > > Using an acpi device for example, simliar to fw_cfg? The guest OS > > should better know there is something at those ports ... > > we do it at ACPI level in DSDT, look for comment > /* reserve PCIHP resources */
Ah, good. > It should make Windows trip over in case of another range overlap with > reserved ports. (linux kernel is more tolerant and may silently ignore > or print a warning) Hmm, linux doesn't list the device, can't see it neither in the kernel log nor in /proc/ioports ... take care, Gerd