On Thu, Nov 19, 2009 at 10:06 AM, Eric Biederman <ebiederm@xxxxxxxxxxxxxxxxxx> wrote: >> Eric, >> >> how about change default min_size to 0 ? > > For io_size I can see that as io space access are pretty much legacy > at this point. > > For mem_size I haven't seen a device that doesn't need something > and 2M is small. > >> #define DEFAULT_HOTPLUG_IO_SIZE 0 >> #define DEFAULT_HOTPLUG_MEM_SIZE 0 >> /* pci=hpmemsize=nnM,hpiosize=nn can override this */ >> unsigned long pci_hotplug_io_size = DEFAULT_HOTPLUG_IO_SIZE; >> unsigned long pci_hotplug_mem_size = DEFAULT_HOTPLUG_MEM_SIZE; >> >> and later to use dmi or other quirks way increase those value. > > The immediate problem is that after the simulated hotplug we have > shifted the resource assignments around on the qlogic adapter > and the adapter no longer works. > > As for the root cause I think you hit the nail on the head with your first > suggestion that we need in kernel understanding of the root bridge. If > we are assigning resources that don't actually work something is messed > up in resource routing from the cpu to the device. ok. patrick, can you send out whole bootlog with CONFIG_PCI_DEBUG? YH -- 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
