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    SubjectRe: SNB PCI root information
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    On Tue, Jun 19, 2012 at 5:36 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
    >
    > I'm not opposed to something like this, if people think it's useful.
    >
    > This patch sets the node quite early, before we even look at the _PXM
    > information in pci_acpi_scan_root().  That means if the BIOS does
    > supply a _PXM method and the user gives this argument, the
    > user-supplied info is silently overwritten.  To me it would make more
    > sense to handle an option like this *after* we look for _PXM info.
    > That way it could be used to compensate for both missing and incorrect
    > _PXM info.

    yes, we can only let user input and hostbridge touch that array.

    but i'd like to only handle missing _PXM case.

    If the BIOS provide wrong _PXM, that BIOS really should be fixed at first.

    Yinghai
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