On Mon, Dec 9, 2013 at 1:10 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Mon, Dec 9, 2013 at 11:42 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: >> That doesn't answer my question at all. >> >> I understand that this change makes it so Joseph doesn't have to use >> "pci=realloc=off". But why should auto-reallocation be limited to >> buses that have resources above 4GB? That doesn't make any sense. >> >> We should fix the reallocation code so it can deal with this case. If >> there's not enough space for everything, obviously we have to leave >> something unassigned. A ROM BAR is a good candidate for leaving >> unassigned, because most of the time we can get along without it. > > Yes, that is ideal and not that simple. > but that would be hard to backport to old kernels. Yes, I agree. I didn't say it would be simple. The quick fix would be easy for now, but adding nonsensical code makes our lives harder long into the future. Bjorn -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html