On Wed, Jun 26, 2013 at 03:26:59PM -0700, Yinghai Lu wrote: > On Wed, Jun 26, 2013 at 3:18 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > > On Tue, Jun 25, 2013 at 10:22 AM, Mika Westerberg > > <mika.westerberg@xxxxxxxxxxxxxxx> wrote: > >> Thunderbolt PCI-to-PCI bridges typically use BIOS "assisted" enumeration. > >> This means that the BIOS will allocate bridge resources based on some > >> assumptions of a maximum Thunderbolt chain. It also disables native PCIe > >> hotplug of the root port where the Thunderbolt host router is connected. > > We should not need tricks in this patch after > > https://patchwork.kernel.org/patch/2766521/ > > [2/3] PCI / ACPI: Use boot-time resource allocation rules during hotplug Unfortunately that patch is not enough :-( We still need to make sure that we don't add anything to the bridge window sizes like __pci_bus_size_bridges() is currently doing (e.g similar to pci=hpmemsize=0,hpiosize=0 for the Thunderbolt bridges). -- 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
