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    SubjectRe: [PATCH v3 4/5] ACPI / processor_idle : introduce ARCH_SUPPORTS_ACPI_PROCESSOR_CSTATE
    Date
    Hi Rafael,

    On 17/02/16 12:21, Sudeep Holla wrote:
    >
    >
    > On 16/02/16 20:18, Rafael J. Wysocki wrote:

    [..]

    >
    >> This way it all should work without any new Kconfig options.
    >>
    >
    > I agree with you in terms of avoiding new Kconfig option. However the
    > main reason for adding it is to avoid declaring dummy functions and
    > variables on ARM64.
    >
    > It's hard to justify the maintainers as it's totally useless on ARM64.
    > E.g. boot_option_idle_override, IDLE_NOMWAIT, acpi_unlazy_tlb,
    > arch_safe_halt.
    >
    > Other option is to push those under CONFIG_X86, but then I don't have
    > much idea on what are all needed for IA64, so took an option that
    > encapsulates everything under CSTATE feature Kconfig, which is not user
    > visible and selected by archs supporting it by default.
    >
    > I am open to any other alternative.
    >

    Whatever alternative methods I tried so far ended up much horrible than
    this. So any suggestions are much appreciated.

    --
    Regards,
    Sudeep

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