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SubjectRe: [PATCH 1/1] [x86] Configuration options to compile out x86 CPU support code
Ingo Molnar wrote:
> * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote:
>
>> This patch adds some configuration options that allow to compile out
>> CPU vendor-specific code in x86 kernels (in arch/x86/kernel/cpu). The
>> new configuration options are only visible when CONFIG_EMBEDDED is
>> selected, as they are mostly interesting for space savings reasons.
>>
>> An example of size saving, on x86 with only Intel CPU support:
>>
>> text data bss dec hex filename
>> 1125479 118760 212992 1457231 163c4f vmlinux.old
>> 1121355 116536 212992 1450883 162383 vmlinux
>> -4124 -2224 0 -6348 -18CC +/-
>>
>> However, I'm not exactly sure that the Kconfig wording is correct with
>> regard to !64BIT / 64BIT.
>
> applied to tip/x86/cpu, thanks Thomas. (I've done a trivial cleanup:
> converted the macro to an inline.)
>
> Peter, do you like this version of the patch or would you like further
> improvements?
>

I'm fine with it.

I think there might still be cross-dependencies, but it doesn't break
anything old, so we can deal with that via bug reports.

The other thing that probably should be done is breaking out the
Intel-specific versus generic parts of intel_cacheinfo.c.

-hpa


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