Re: [Dle-develop] [PATCH tracing/kprobes 4/7] tracing/kprobes: Add event profiling support

[Ananth N M. <an...@in...>]

On Mon, Sep 14, 2009 at 11:07:13PM +0200, Frederic Weisbecker wrote:
> On Mon, Sep 14, 2009 at 03:36:33PM -0400, Masami Hiramatsu wrote:
> > Frederic Weisbecker wrote:
> >> On Mon, Sep 14, 2009 at 12:54:24PM -0400, Masami Hiramatsu wrote:
> 
> 
> >> There might be some of such factors that would force you to handle a
> >> lot of corner cases, things that you wouldn't need to worry about
> >> if you just had to maintain a simple rcu list of probes to call.
> >
> >
> > Anyway, I never see who are using post_handler:). I'm not sure why
> > it is needed...
> 
> 
> May be it's a legacy of code that was used by the past, in which case
> that could perhaps be cleaned up?

No, kprobe post_handlers are used in various places, especially for
debug purposes. It is part of the ABI and should be retained.

Ananth