Re: [PATCH V12 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC_PRIO for the expansion.

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On Wed, Jan 10, 2024 at 06:59:25AM +0000, Meng, Li (Jassmine) wrote:
> The reason why I added the selects is just to distinguish different
> pstate drivers.  These two drivers cannot be supported simultaneously
> in the same project.

No, that's not what I meant. Read here:

"- reverse dependencies: "select" <symbol> ["if" <expr>]

  While normal dependencies reduce the upper limit of a symbol (see
  below), reverse dependencies can be used to force a lower limit of
  another symbol. The value of the current menu symbol is used as the
  minimal value <symbol> can be set to. If <symbol> is selected multiple
  times, the limit is set to the largest selection.
  Reverse dependencies can only be used with boolean or tristate
  symbols.

  Note:
        select should be used with care. select will force
        a symbol to a value without visiting the dependencies.
        By abusing select you are able to select a symbol FOO even
        if FOO depends on BAR that is not set.
        In general use select only for non-visible symbols
        (no prompts anywhere) and for symbols with no dependencies.
        That will limit the usefulness but on the other hand avoid
        the illegal configurations all over."

>From Documentation/kbuild/kconfig-language.rst

-- 
Regards/Gruss,
    Boris.

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




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