On 2012/9/20 2:54, Yinghai Lu wrote: Hi Yinghai, I applied this series patches to the latest pci-next, but git am fail occured. When I try to pull from for-pci-root-bus-hotplug branch, I found some patches missed(eg. SCI_EMULATE). Where can I get the newest pci root bus hotplug patches? Thanks! Yijing > It supports pci root bus removal with > echo "PCI0 3" > /sys/kernel/debug/acpi/sci_notify > > add with > echo "PCI0 0" > /sys/kernel/debug/acpi/sci_notify > > based on pci/next > > We need to separate pci root bus add from acpiphp. so user could only root bus > hotplug and pciehp that will make system fw simple. > Also later CONFIG_HOTPLUG will be removed, so pci root bus hotplug will be > enabled by default and user still need select acpiphp and pciehp for normal > pci device hotplug support. > > could get from > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-root-bus-hotplug > > -v6: do not depend on busn-alloc anymore. > > part1: cleanup for pci/next > [PATCH 01/40] PCI: fix default vga ref_count > [PATCH 02/40] PCI, x86: clear initial value for root info resources > [PATCH 03/40] PCI, ia64: clear initial value for root info resources > [PATCH 04/40] PCI, acpiphp: Add is_hotplug_bridge detection > [PATCH 05/40] PCI: Add root bus children dev's res to fail list > [PATCH 06/40] PCI: Split out stop_bus_device and remove_bus_dev > > part2: reserve BIOS allocated resource for hotadd root bus > [PATCH 07/40] x86, PCI: Separate pcibios_allocate_bridge_resources() > [PATCH 08/40] x86, PCI: Separate pcibios_allocate_dev_resources() > [PATCH 09/40] x86, PCI: Let pcibios_allocate_bus_resources() take us instead > [PATCH 10/40] x86, PCI: Separate rom resource claim out > [PATCH 11/40] PCI, x86: Add pcibios_fw_addr_done > [PATCH 12/40] PCI, x86: Remove __init for hw/fw allocated functions > [PATCH 13/40] PCI: Claim hw/fw allocated resources in hot add path. > > part3: pci_assign_unsissigned_bus_resources() for root bus add. > [PATCH 14/40] PCI: Separate out pci_assign_unassigned_bus_resources() > [PATCH 15/40] PCI: Move back pci_rescan_bus() to probe.c > [PATCH 16/40] PCI: pci_bus_size_bridges() should not size own bridge > [PATCH 17/40] PCI: Use __pci_bus_size_bridges() directly in pci_assign_unassigned_bus_resources() > [PATCH 18/40] PCI: Rescan bus using callback method too > [PATCH 19/40] PCI, sysfs: Clean up rescan/remove with schedule_callback > > part4: Separate root bus add from acpiphp and add removal support. > [PATCH 20/40] PCI: Fix a device reference count leakage issue in > [PATCH 21/40] PCI: Add pci_stop_and_remove_root_bus() > [PATCH 22/40] PCI, acpiphp: Separate out hot-add support of pci host > [PATCH 23/40] PCI, ACPI: Pass device instead of handle when config > [PATCH 24/40] PCI, acpi: Update acpi_pci_driver add/remove interface > [PATCH 25/40] PCI, ACPI: Make acpi_pci_root_remove remove pci root > [PATCH 26/40] PCI, ACPI: del root bus prt > [PATCH 27/40] ACPI: acpi_bus_trim to support two steps. > [PATCH 28/40] PCI, ACPI: Add pci_root_hp hot removal notification > [PATCH 29/40] PCI, ACPI: Add alloc_acpi_hp_work() > [PATCH 30/40] PCI, acpiphp: Use acpi_hp_work > [PATCH 31/40] PCI, pci_root_hp: Use acpi_hp_work > [PATCH 32/40] PCI, ACPI: Make kacpi_hotplug_wq static > > part5: add/remove calling for acpi_pci_drivers. > [PATCH 33/40] ACPI, PCI: Use normal list for struct acpi_pci_driver > [PATCH 34/40] ACPI, PCI: Notify acpi_pci_drivers when hot-plugging > [PATCH 35/40] ACPI, PCI: Protect global lists in > [PATCH 36/40] PCI: Set dev_node early for pci_dev > [PATCH 37/40] PCI, x86: Move pci_enable_bridges() down > [PATCH 38/40] ACPI, PCI: Skip extra pci_enable_bridges for non > [PATCH 39/40] PCI, acpiphp: Don't ailout even no slots found yet. > > part6: acpi add/remove simulation > [PATCH 40/40] ACPI: Enable SCI_EMULATE to manually simulate physical > > arch/ia64/pci/pci.c | 3 +- > arch/x86/pci/acpi.c | 3 +- > arch/x86/pci/i386.c | 185 ++++++++++++++++-------- > drivers/acpi/Kconfig | 10 ++ > drivers/acpi/Makefile | 2 + > drivers/acpi/osl.c | 24 +++- > drivers/acpi/pci_root.c | 123 ++++++++++------ > drivers/acpi/pci_root_hp.c | 278 ++++++++++++++++++++++++++++++++++++ > drivers/acpi/pci_slot.c | 12 +- > drivers/acpi/scan.c | 5 +- > drivers/acpi/sci_emu.c | 145 +++++++++++++++++++ > drivers/gpu/vga/vgaarb.c | 14 ++- > drivers/pci/bus.c | 2 + > drivers/pci/hotplug/acpiphp.h | 1 - > drivers/pci/hotplug/acpiphp_core.c | 23 +--- > drivers/pci/hotplug/acpiphp_glue.c | 165 +++++++-------------- > drivers/pci/pci-sysfs.c | 41 ++++-- > drivers/pci/probe.c | 26 ++++- > drivers/pci/remove.c | 87 +++++++++-- > drivers/pci/search.c | 10 +- > drivers/pci/setup-bus.c | 54 +++----- > include/acpi/acpi_bus.h | 1 + > include/acpi/acpiosxf.h | 9 +- > include/linux/acpi.h | 6 +- > include/linux/pci.h | 5 + > 25 files changed, 899 insertions(+), 335 deletions(-) > create mode 100644 drivers/acpi/pci_root_hp.c > create mode 100644 drivers/acpi/sci_emu.c > -- Thanks! 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