RE: [PATCH] [RFC] PCI, ACPI, x86: MMCFG support for hotpluggable PCI hostbridges on x86, x86_64

["Taku Izumi" <izumi.taku@jp.fujitsu.com>]

> -----Original Message-----
> From: Bjorn Helgaas [mailto:bhelgaas@google.com]
> Sent: Thursday, April 26, 2012 2:14 AM
> To: Jiang Liu
> Cc: Taku Izumi; Kenji Kaneshige; linux-pci@vger.kernel.org
> Subject: Re: [PATCH] [RFC] PCI, ACPI, x86: MMCFG support for hotpluggable PCI hostbridges on x86, x86_64
> 
> On Sat, Apr 7, 2012 at 9:20 AM, Jiang Liu <liuj97@gmail.com> wrote:
> > On 04/06/2012 07:16 PM, Taku Izumi wrote:
> >>
> >> This patch introduces the configuration for the base address of
> >> the memory mapped configuration space (MMCFG) for hotpluggable PCI
> >> hostbridges on x86 and x86_64.
> >>
> >> The MMCFG for hotpluggable host bridges must be described by using
> >> ACPI _CBA method. This patch adds implementation for _CBA method
> >> on ACPI pci_root driver and MMCFG manipulating functons for x86 and
> >> x86_64.
> >>
> >> Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
> >> ---
> >>  arch/x86/pci/mmconfig-shared.c |   61 ++++++++++++++++++++++++++++++++++-------
> >>  drivers/acpi/pci_root.c        |   28 ++++++++++++++++++
> >>  drivers/pci/pci.c              |   31 ++++++++++++++++++++
> >>  include/acpi/acnames.h         |    1
> >>  include/linux/pci.h            |    3 ++
> >>  5 files changed, 113 insertions(+), 11 deletions(-)
> 
> Taku, I'm ignoring this patch for now because I assume that Jiang
> Liu's series "[PATCH V4 0/6] PCI, x86: update MMCFG information when
> hot-plugging PCI host bridges" includes the same functionality.
> 
> If my assumption is wrong, please let me know.

 Hi Bjorn,
 Yes, you are right. Please ignore my former patch.
 I'm re-creating new patchset based on Liu's series.

 Best regarads,
 Taku Izumi