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SubjectRe: [PATCH] tracing: Export key trace event symbols
But why export anything _GPL in the first place?


Christoph Hellwig wrote on 04/21/15 08:23:
> On Tue, Apr 21, 2015 at 08:13:24AM -0500, Ron Rechenmacher wrote:
>> 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
>
> And now send a patch including a rationale on why we need it. I haven't
> looked deep enough, but so far I can't see any real value add in it.
>
>>
>> It seems that you are the person that I have to convince in order to get
>> my patch accepted. Is this true?
>
> In the end you'll need to convince a maintainer to apply it.
>
>> Can you tell me how:
>> ./kernel/trace/power-traces.c:17:EXPORT_TRACEPOINT_SYMBOL_GPL(power_start);
>
> I can't find a tracepoint with that name in the current tree.
>
>> ./kernel/trace/power-traces.c:19:EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_idle);
>
> This one is used by the potentially modular intel_idle (now cpuids)
> driver, so it's exported for a reason.
>
>> 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.
>
> It's perfectly fine to remove unused exports, and we do it regularly
>

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


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