Re: [PATCH REBASED RESEND] x86/cpu: Move early cpu initialization into a separate translation unit

[Thomas Gleixner]

On Tue, 12 Jun 2018, Kirill A. Shutemov wrote:

> __pgtable_l5_enabled shouldn't be needed after system has booted, we can
> mark it as __initdata, but it requires preparation.
> 
> This patch moves early cpu initialization into a separate translation
> unit. This limits effect of USE_EARLY_PGTABLE_L5 to less code.
> 
> Without the change cpu_init() uses __pgtable_l5_enabled. cpu_init() is
> not __init function and it leads to section mismatch.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Second thoughts.

The only place where __pgtable_l5_enabled() is used in common.c is in
early_identify_cpu() which is marked __init. So how is that section
mismatch triggered?

Thanks,

	tglx