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    SubjectRe: [PATCH 1/4] pci/x86: don't assume pref memio are 64bit -v4

    * Jesse Barnes <jesse.barnes@intel.com> wrote:

    > On Thu, 23 Apr 2009 20:48:32 -0700
    > Yinghai Lu <yinghai@kernel.org> wrote:
    >
    > >
    > > we should not assign 64bit range to pci device that only take 32bit
    > > pref
    > >
    > > try to set IORESOURCE_MEM_64 in 64bit resource of
    > > pci_device/pci_bridge and make the bus resource only have that bit
    > > set when all device under that do support 64bit pref mem then use
    > > that flag to allocate resource in wanted area
    > >
    > > v2: fix b_res->flags and logic and passing result.
    > > v3: split iomem to iomem32, iomem64, and iomem64 will take
    > > IORESOURCE_MEM_64 V4: according to Ivan
    > > make it support x86 only, by PCIBIOS_MAX_MEM_32
    > > double check if the bridge does support pref mem64 with
    > > write/read UPPER32
    > >
    > > [Impact: do assign wrong range to device that doesn't support it]
    >
    > Thanks a lot Yinghai & Ivan, I applied 1 & 2 (the other 2 e820
    > patches should go through Ingo), they're in my linux-next branch.

    /me wakes up

    Yinghai, mind resending those two, with Jesse's Ack included as
    well?

    Ingo


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