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SubjectRe: [RFC] x86: merge nmi_32-64 to nmi.c
Andi Kleen wrote:
> The whole idea was pretty bad. Ifdefs are not ugly because the syntax
> looks ugly, but because it's a semantically ugly construct with bad
> maintainability impact.
>
> Trying to put syntactical sugar around that is a doomed exercise. It
> will be still ugly, no matter what you do.

Not true. Using C rather than CPP to control the compilation of config
options has the big win that all code paths are still visible to the
compiler. In some cases that's not what you want, but it often is, and
it would avoid some degree if inadvertent breakage of options. It can
also be syntactically a lot more pleasant.

J


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