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    SubjectRe: [PATCH 02/11] PCI: Try to allocate mem64 above 4G at first
    On Tue, May 29, 2012 at 5:33 PM, Yinghai Lu <yinghai@kernel.org> wrote:
    > On Tue, May 29, 2012 at 4:27 PM, Bjorn Helgaas <bhelgaas@google.com> wrote:
    >> I don't understand this one at all.  It looks like you mashed together
    >> at least two changes: (1) prefer I/O space above 64K if available, and
    >> (2) mark secondary bus resources with IORESOURCE_IO_32 when the P2P
    >> bridge I/O window address decode type is PCI_IO_RANGE_TYPE_32 and use
    >> that to limit allocations.
    >
    > let drop the one about IORESOURCE_IO_32.
    >
    > that should only fix one reallocation bug in theory out of x86.

    If there's a bug, we should try to fix it. I just don't understand
    what the bug *is*.
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