On Thu, Aug 30, 2012 at 9:38 AM, Jiang Liu <liuj97@xxxxxxxxx> wrote: > On 08/30/2012 11:48 PM, Yinghai Lu wrote: > For system does support physical processor hotplug, I think > BIOS should expose those special PCI buses, otherwise we may run into > trouble after removing a physical processor. No, not do the physical removing. I just want to remove those not needed pci root bus. lspci output get filled of all the those useless cpu pci devices. > BTW, do we really want to support logical PCI host bridge hotplug > or only support physical host bridge hotplug? Here logical hotplug means > adding a PCI bus into or removing a PCI bus from the running kernel. get logical done at first, and then via acpi we could do real physical removal. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html