linux-kernel - Re: [PATCH] tracing: Export key trace event symbols

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Message-ID: <55364CF4.2090600@fnal.gov>
Date:	Tue, 21 Apr 2015 08:13:24 -0500
From:	Ron Rechenmacher <ron@...l.gov>
To:	Christoph Hellwig <hch@...radead.org>
CC:	<linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] tracing: Export key trace event symbols

Hi Christoph,

My module, and information about it, can be found at:
https://cdcvs.fnal.gov/redmine/projects/trace
https://cdcvs.fnal.gov/redmine/projects/trace/repository/show/src_module
with the header at
https://cdcvs.fnal.gov/redmine/projects/trace/repository/raw/include/trace.h

It seems that you are the person that I have to convince in order to get
my patch accepted. Is this true?

Can you tell me how:
./kernel/trace/power-traces.c:17:EXPORT_TRACEPOINT_SYMBOL_GPL(power_start);
./kernel/trace/power-traces.c:19:EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_idle);
should be allowed (how it fits with your definition of the Linux kernel below) and
my proposed EXPORTS not?
I hope that you will not suggest removing the above 2 exports.

Thanks,
Ron

Christoph Hellwig wrote on 04/21/15 07:22:
> Hi Ron,
>
> the Linux kernel is not a shared library, but an integrated project
> that happens to be split into loadable modules.
>
> Please send your module that uses the tracepoints and we can start
> discussing if it makes sense to exports the symbols for it, or if
> we can implement it in a better way.
>

-- 
Ron Rechenmacher
Engineer
Fermi National Accelerator Laboratory
Batavia, IL  60510
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