Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx> writes: > In the current pciehp implementation, minimum resources enough to > enable devices under the bridge are assigned when P2P bridge is > hot-added. My concern is that enough resources are NOT assigned to > the bridge if an additional slot is empty. As a result, hot-add > adapter card on the additional slot won't work because of resource > shortage. It is a good concern. Right now I know I won't need a bus number but you are quite right the mmio and iospace may be a problem. My preliminary test case doesn't cover that so I will look and confirm it is a problem I need to address. >> kobject_name is not initialized, and slot_name(p_slot) calls >> hoptlug_slot_name which calls pci_slot_name which kobj_name. >> It looks like this problem was introduced in commit >> e1acb24f059defdaa0264e925f19cc21b0a3e592 > > Thank your for the information. I understood what is happening. > This needs to be fixed. But, as I mentioned before, I think > software notification mechanism should be initialized before > sysfs entries are created. I'll consider alternative fix. Reasonable. I haven't had the need nor gotten brave enough to support those sysfs entries in my minimal driver. Eric -- 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
