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Message-ID: <CABhMZUU_YNMXAU0Mr5zQMzxrk_XkFzk1HrwAN0SQxDf8n+F9kA@mail.gmail.com> Date: Tue, 6 Mar 2012 21:44:34 -0700 From: Bjorn Helgaas <bjorn.helgaas@...il.com> To: Yinghai Lu <yinghai@...nel.org> Cc: Jesse Barnes <jbarnes@...tuousgeek.org>, x86 <x86@...nel.org>, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 00/23] PCI, x86: pci root bus hotplug support On Tue, Mar 6, 2012 at 12:13 AM, Yinghai Lu <yinghai@...nel.org> wrote: > will add pci_stop_and_remove_bus() to support remove bus in > /sys/devices/pci.../pci_bus/... > > it support pci root bus removal. 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 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://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-root-bus-hotplug > > Thanks > > Yinghai > > 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(-) > > -- > 1.7.7 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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