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

[Minho Ban]

On 04/24/2012 09:53 PM, Peter Zijlstra wrote:
> 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..
> 

Thank you for pointing this out, certainly macros look better. I'll amend this.
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