Re: [PATCH 00/47] PCI, x86: pci root bus hotplug support

From: Yinghai Lu
Date: Fri Mar 30 2012 - 14:27:39 EST


On Sun, Mar 18, 2012 at 10:45 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> will add pci_stop_and_remove_bus() to support remove bus in
> /sys/devices/pci.../pci_bus/...
>
> To rescan root, need to
> echo 1 > /sys/bus/pci/rescan_root
>
> It supports acpi path root bus and legacy root bus.
>
> This patcheset include some IOMM and dmar and pnpacpi fix with device refcount leaking.
>        also include some bus remove/rescan cleanup.
>
> The patches need to apply to pci/for-linus and pci/linux-next
>        [PATCH -v3] PCI: pci_host_bridge related cleanup
>        [PATCH -v11] PCI: allocate pci bus num range for unassigned bridge busn
>
> could get from
>        git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-root-bus-hotplug
>
> -v2: Address most of Bjorn's review, except still keeping .../pci_bus/.../remove
>     Separate pci root hot add support from acpiphp to pci_root_hp
>     add hot removal to pci_root_hp
> -v3: Reordering the patches about /sys changes at last that Bjorn objects.
>     Claim hw/fw allocated bus after root bus hot add.
>     add two patches for Jiang Liu about removal.

Add attached patch to the tree for making ioapic and iommu hotplug working.

Thanks

Yinghai

Attachment: stop_pci_drivers_before_ioapic_dmar.patch
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