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    SubjectRe: Going beyond 256 PCI buses
    Date
    David S. Miller writes:
    > Albert D. Cahalan writes:

    >> You've added an ioctl. This isn't just any ioctl. It's a
    >> wicked nasty ioctl. It's an OH MY GOD YOU CAN'T BE SERIOUS
    >> ioctl by any standard.
    >
    > It's an ioctl which allows things to work properly in the
    > framework we currently have.

    It's a hack that keeps us stuck with the existing mistakes.
    We need a transition path to get us away from the old mess.

    >> Fix:
    >>
    >> /proc/bus/PCI/0/0/3/0/config config space
    >
    > Which breaks xfree86 instantly. This fix is unacceptable.

    Nope. Keep /proc/bus/pci until Linux 3.14 if you like.
    The above is /proc/bus/PCI. That's "PCI", not "pci".
    We still have /proc/pci after all.

    > In fact, the current ioctl/mmap machanism was discussed with and
    > agreed to by the PPC, Alpha, and Sparc64 folks.

    Did you somehow miss when Linus scolded you a few weeks ago?
    How about asking somebody who helps maintain /proc, like Al Viro?
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