On Tue, 06 Apr 2010 13:24:08 -0600 Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote: > > ACPI Address Space Descriptors (used in _CRS) have a Consumer/Producer > bit that is supposed to distinguish regions that are consumed directly > by a device from those that are forwarded ("produced") by a bridge. > But BIOSes have apparently not used this consistently, and Windows > seems to ignore it, so I think Linux should ignore it as well. > > I can't point to any of these supposed broken BIOSes, but since we > now rely on _CRS by default, I think it's safer to ignore this bit > from the start. > > Here are details of my experiments with how Windows handles it: > https://bugzilla.kernel.org/show_bug.cgi?id=15701 > > Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx> > --- Applied to my for-linus branch, thanks. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html