V4: [PATCH] x86: Install <sys/platform/x86.h> [BZ #26124]

[Florian Weimer]

* H. J. Lu:

> Here is the updated patch with
>
>  -- Macro: int HAS_CPU_FEATURE (NAME)
>      This macro returns a nonzero value (true) if the processor has the
>      feature NAME.
>
>  -- Macro: int CPU_FEATURE_USABLE (NAME)
>      This macro returns a nonzero value (true) if the processor has the
>      feature NAME and the feature is supported by the operating system.

This is indeed less confusing.  Thanks.

I'm still convinced we have a real use case for HAS_CPU_FEATURE.

Does anyone else want to comment on this?

Thanks,
Florian