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    SubjectRe: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address
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    > Current workaround is the following (both of linus and -mm),
    >
    > if (pci_mmcfg_config_num == 1 &&
    > cfg->pci_segment_group_number == 0 &&
    > (cfg->start_bus_number | cfg->end_bus_number) == 0)
    > /* Assume it can access 256M range */
    >
    > But, if the system has bus number 0 only, it's a correct table.
    > We may need to detect the broken system. blacklist?

    or just... not assume 256Mb but assume broken?

    --
    if you want to mail me at work (you don't), use arjan (at) linux.intel.com
    Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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