On 23 July 2015 at 22:49, Michael Roth <mdr...@linux.vnet.ibm.com> wrote: > I seem to recall Michael suggesting it may have already been > fixed on x86. I think we had a TODO to figure out all > the architectures that don't use IO windows and figure out > if they need a fix as well.
If we think we've fixed x86, then I think for 2.5 I would be happy with "allow 0 addresses globally and see if anything breaks". I'm pretty confident none of the ARM platforms will have issues -- they don't do any kind of overlapping of non-PCI memory regions with the MMIO window(s). -- PMM
