On 24/07/2015 10:46, Peter Maydell wrote: > 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
I agree. It was exactly what I was thinking... > have issues -- they don't do any kind of overlapping of > non-PCI memory regions with the MMIO window(s). So, after a "grep PCI" in defconfigs, we can have issue with powerpc, s390x and sparc64 (I guess it is already fixed for x86_64 and i386 ?). Laurent
