Re: [PATCH 2/9 - v2][RFC] tracing: Let tracepoints havedata?passed to tracepoint callbacks

[Steven Rostedt]

On Fri, 2010-05-07 at 11:30 -0400, Mathieu Desnoyers wrote:
> * Steven Rostedt (rostedt@xxxxxxxxxxx) wrote:

> > I'm fine with forcing all callbacks to include a data parameter if you
> > are. This would also make the changes simpler.
> 
> Yes, I am all for it.

Great! I'm making the changes now.

> 
> As for the extra type checking, it is basically just trying to force you to
> generate matching caller-callee prototypes in your CPP macros. The goal is
> really to check that the data parameter type match in both the caller and
> callee. I see that as a mean to make sure nobody is going to try to take
> shortcuts by playing with the callback types in the "undefined behavior" zone of
> the C standard in future TRACE_EVENT() modifications.

OK, I'll wait for your patch. As my favorite saying goes...

"When people ask me what language my mother tongue is, I simply reply 'C'."

-- Steve


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