Re: [RFC] x86: merge nmi_32-64 to nmi.c

From: Thomas Gleixner
Date: Sun May 18 2008 - 05:10:39 EST

On Sun, 18 May 2008, Jeremy Fitzhardinge wrote:

> Thomas Gleixner wrote:
> > Definitely, but we should do it at the Kconfig level which allows us
> > to have integer defines as well, so we end up with something like:
> >
> > static inline unsigned int get_nmi_count(int cpu)
> > {
> > return CONFIG_X86_64 ? cpu_pda(cpu)->__nmi_count : nmi_count(cpu);
> > }
> >
> Unfortunately that doesn't work because when CONFIG_X86_64 isn't defined it
> doesn't expand to 0. It would be nice if CONFIG_* expanded to 0/1, but we'd
> need to change all the #ifdef CONFIG_* to #if CONFIG_*...

You can have int type CONFIG_ which is always expanded. We have to add
one of those though.

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