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    SubjectRe: [PATCH 5/5] x86/sysfs: Add PPIN in sysfs under cpu topology
    On Thu, Jan 20, 2022 at 10:01:51AM -0800, Luck, Tony wrote:
    > It "looks" unused, But thanks to the obscurity of CPP macros using ## to
    > concatenate tokens it is needed.

    Ofcourse it is.

    It crossed my mind for a second that, hey, that is *probably* used by
    some macro magic there... oh well.

    --
    Regards/Gruss,
    Boris.

    https://people.kernel.org/tglx/notes-about-netiquette

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