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Subject[PATCH 00/23] PCI, x86: pci root bus hotplug support
will add pci_stop_and_remove_bus() to support remove bus in

it support pci root bus removal.

To rescan root, need to
echo 1 > /sys/bus/pci/rescan_root

this patcheset include some IOMM and dmar and pnpacpi fix with device refcount leaking.

The patches need to apply to pci/for-linus and pci/linux-next
and [PATCH 00/36] PCI: pci_host_bridge related cleanup and busn_alloc

could get from
git:// for-pci-root-bus-hotplug



Yinghai Lu (23):
PCI, sys: Use device_type and attr_groups with pci dev
PCI, sysfs: create rescan_bridge under /sys/.../pci/devices/... for pci bridges
PCI: Add pci_bus_add_single_device()
PCI: make pci_rescan_bus_bridge_resize use pci_scan_bridge instead
PCI: clean up rescan_bus_bridge_resize
PCI: rescan with bus or bridge using callback method too
pci, dmar: Update dmar units devices list during hotplug
PNPACPI: Fix device ref leaking in acpi_pnp_match
IOMMU: Fix tboot force iommu logic
PCI, x86: Fix non acpi path pci_sysdata leaking with release_fn
PCI: separate out pci_assign_unassigned_bus_resources()
PCI: Move back pci_rescan_bus()
PCI: move pci_stop_and_remove_behind_bridge down
PCI: add __pci_remove_bus_devices()
PCI: add pci_stop_and_remove_bus()
PCI: add pci bus removal through /sys/.../pci_bus/.../remove
PCI, ACPI: make acpi_pci_root_remove remove pci root bus too
PCI, ACPI: add acpi_pci_root_rescan()
PCI: add /sys/bus/pci/rescan_root
PCI: add __pci_scan_root_bus() that can skip bus_add
x86, PCI: add __pci_scan_root_bus_on_node() that can skip bus_add
x86, PCI: add __pcibios_scan_specific_bus that can skip bus_add
x86, PCI: add pcibios_root_rescan

Documentation/ABI/testing/sysfs-bus-pci | 27 +++++
arch/x86/include/asm/pci.h | 2 +
arch/x86/pci/common.c | 28 +++--
arch/x86/pci/legacy.c | 44 ++++++-
drivers/acpi/pci_root.c | 66 +++++++++++
drivers/iommu/intel-iommu.c | 193 ++++++++++++++++++++++++++++--
drivers/pci/bus.c | 39 ++++++
drivers/pci/pci-sysfs.c | 137 ++++++++++++++++++++--
drivers/pci/pci.h | 1 +
drivers/pci/probe.c | 43 ++++++-
drivers/pci/remove.c | 77 ++++++++-----
drivers/pci/setup-bus.c | 20 +---
drivers/pnp/pnpacpi/core.c | 7 +-
include/linux/dmar.h | 4 +
include/linux/pci.h | 6 +
15 files changed, 604 insertions(+), 90 deletions(-)


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