Re: [PATCH] tracing/profile: Fix profile_disable vs module_unload

From: Peter Zijlstra
Date: Tue Aug 25 2009 - 05:13:28 EST

On Tue, 2009-08-25 at 11:05 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > Ah, my bad, I was thikning tracepoint_probe_register() was the
> > thing that registered the tracepoint itself, not the callback.
> >
> > Ok, then what's the problem?, don't do modules that consume their
> > own tracepoints, seems simple enough.
> is this a reasonable restriction? I dont see any reason why the act
> of defining and providing a tracepoint should be exclusive of the
> ability to make use of it.

It doesn't make sense to me, you don't need your own tracepoints because
you generate the events yourself, you already have them.

Furthermore, I much prefer this over spreading module gunk all over
tracepoint users.
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