Re: [PATCH v7 00/10] PCI, x86: update MMCFG information when hot-plugging PCI host bridges

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Hi Jiang,

 Looks good, and works as expected.

 Best regards,
 Taku Izumi

On Sat, 26 May 2012 17:53:53 +0800
Jiang Liu <jiang.liu@xxxxxxxxxx> wrote:

> This patchset enhance pci_root driver to update MMCFG information when
> hot-plugging PCI root bridges. It applies to 
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/next-3.5
> 
> -v2: split into smaller patches and skip updating MMCFG information when
>      MMCFG is disabled
> -v3: add mmconf_added to simply free path, also make pci_mmconfig_insert()
>      to process extra exist case --- By Yinghai
> -v4: tune arch_acpi_pci_root_add() to handle a corner case raised by Kenji
> -v5: address review comments from Bjorn and Taku, also better handle corner
>      cases in arch_acpi_pci_root_add()
> -v6: get rid of arch_acpi_pci_root_xxx() by using existing hooks
>      add MCFG information for host bridges on demand
>      more corner cases clear up
>      correctly handle condition compilation
>      fix section mismatch issues
>      fix a issue reported by Taku about a BIOS bug
> -v7: unify log messages
>      remove redundant host bridge resource related log messages
>      fix a issue reported by Taku which breaks pnp resource allocation
> 
> Jiang Liu (10):
>   PCI, x86: split out pci_mmcfg_check_reserved() for code reuse
>   PCI, x86: split out pci_mmconfig_alloc() for code reuse
>   PCI, x86: use RCU list to protect mmconfig list
>   PCI, x86: introduce pci_mmcfg_arch_map()/pci_mmcfg_arch_unmap()
>   PCI, x86: introduce pci_mmconfig_insert()/delete() for PCI root
>     bridge hotplug
>   PCI, ACPI: provide MCFG address for PCI host bridges
>   PCI, x86: update MMCFG information when hot-plugging PCI host bridges
>   PCI, x86: add MMCFG information on demand
>   PCI, x86: simplify pci_mmcfg_late_insert_resources()
>   PCI, x86: get rid of redundant log messages
> 
>  arch/x86/include/asm/pci_x86.h |   12 ++
>  arch/x86/pci/acpi.c            |   76 ++++++++-
>  arch/x86/pci/legacy.c          |    1 +
>  arch/x86/pci/mmconfig-shared.c |  364 +++++++++++++++++++++++++++++-----------
>  arch/x86/pci/mmconfig_32.c     |   30 +++-
>  arch/x86/pci/mmconfig_64.c     |   37 ++++-
>  drivers/acpi/pci_root.c        |   12 ++
>  drivers/pci/pci-acpi.c         |   34 ++++
>  include/acpi/acnames.h         |    1 +
>  include/acpi/acpi_bus.h        |    3 +
>  include/linux/pci-acpi.h       |    5 +
>  11 files changed, 465 insertions(+), 110 deletions(-)
> 
> 
> 



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