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    SubjectRe: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address
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    Arjan van de Ven <arjan@infradead.org> writes:

    >> 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?

    I see. And instead, add force enable option?
    --
    OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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