[PATCH 2/4] ARM: add IPI tracepoints

Ard Biesheuvel ard.biesheuvel at linaro.org
Sat Jul 19 13:50:16 PDT 2014


On 19 July 2014 22:28, Steven Rostedt <rostedt at goodmis.org> wrote:
> On Sat, 19 Jul 2014 21:10:37 +0200
> Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
>
>> On 18 July 2014 23:22, Steven Rostedt <rostedt at goodmis.org> wrote:
>> > On Fri, 18 Jul 2014 16:55:42 -0400 (EDT)
>> > Nicolas Pitre <nicolas.pitre at linaro.org> wrote:
>> >
>> >>
>> >> Here's the patch I have at the head of the series now, with the above
>> >> ugliness changed to an unconditional __tracepoint_string attribute.
>> >>
>> >
>> > I was thinking of something like this. Feel free to add this to your
>> > series.
>> >
>> > -- Steve
>> >
>>
>> Nico,
>>
>> If this patch addresses the issue where 3 RCU related tracepoint
>> strings turn up /after/ _edata on !CONFIG_TRACING, there is already a
>> patch queued up here
>>
>> http://marc.info/?l=linux-kernel&m=140518452623148&w=2
>>
>> As far as In know, these were the only occurrences using a __used
>> modifier, which is why they weren't dropped by the compiler in the
>> !CONFIG_TRACING case.
>>
>
> Ard,
>
> Similar but different problem. Nicolas's problem was with new use cases
> for tracepoint_string. My patch fixes the issue for the general case.
>

OK, so if the general case has been fixed, perhaps we should ask Paul
to drop my patch?

-- 
Ard.



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