Re: [RFC/PATCH] Prevent wasting time to find out get_parent_ip

[Peter Zijlstra]

On Tue, 2012-04-24 at 21:36 +0900, Minho Ban wrote:
> trace_preempt_on/off looks empty if PREEMPT_TRACER is off. But actually it is
> spending time to find out get_parent_ip(even CALLER_ADDR for some ARCH) which is
> in argument. This seems not fair for those who expect to do nothing but increase
> or decrease count.

You can do the same by making them CPP macros and adding a comment as to
why they're macros instead of inlines..
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