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SubjectRe: [PATCH 00/23] PCI, x86: pci root bus hotplug support
On Tue, Mar 6, 2012 at 8:44 PM, Bjorn Helgaas <> wrote:
> On Tue, Mar 6, 2012 at 12:13 AM, Yinghai Lu <> wrote:
> Does this series support hot-add, too, or just removal?
> If it is intended to support hot-add, I didn't see any support for
> _CBA, which I *think* is the way hotplug-capable host bridges are
> required to report MMCONFIG areas.

to make the whole hotplug working with intel new cpus with IIO,
in addition to physical cpu and memory hotplug, will still need
a. ioapic controller hotplug
b. intr-remapping hotplug
c. intel-iommu hotplug
d. mmconf support.
e. root bus hotplug

this patch set is only involved with partitally root bus removal/add back.
and assume ioapic, intr-remap, intel-iommu, and mmconf related are
working from early initialization.

that will help us to help to fix bugs like devices refcount leaking.


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