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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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