Re: [PATCH 1/4] x86: cleanup early per cpu variables/accesses v3-folded
From: Mike Travis
Date: Tue Apr 22 2008 - 11:09:36 EST
Ingo Molnar wrote:
> * Mike Travis <travis@xxxxxxx> wrote:
>
>> * Introduce a new PER_CPU macro called "EARLY_PER_CPU". This is
>> used by some per_cpu variables that are initialized and accessed
>> before there are per_cpu areas allocated.
>
> build fails with:
>
> arch/x86/kernel/built-in.o: In function `flat_apic_id_registered':
> genapic_flat_64.c:(.text+0x13e1d): undefined reference to `phys_cpu_present_map'
> genapic_flat_64.c:(.text+0x13e24): undefined reference to `phys_cpu_present_map'
> arch/x86/kernel/built-in.o: In function `APIC_init_uniprocessor':
> : undefined reference to `phys_cpu_present_map'
> [...]
>
> with this config:
>
> http://redhat.com/~mingo/misc/config-Tue_Apr_22_15_40_10_CEST_2008.bad
>
> Ingo
Ok, thanks, I'll check it out.
Mike
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