On Mon, Jan 30, 2012 at 7:50 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > On Fri, Jan 27, 2012 at 6:49 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: >> extend or shrink bus and parent buses top (subordinate) >> >> extended range is verified safe range, and stop at recorded parent_res. ... > This makes me nervous for the same reason as > pci_bus_update_busn_res_end() -- we're changing res->end for resources > already in a tree. How do we know the tree remains consistent? > Yes, we already try to allocate near the top and later pad the top. So it is safe to just adjust top. Yinghai -- 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
