Re: [PATCH 2/4] ARM: add IPI tracepoints

[Steven Rostedt]

On Sat, 19 Jul 2014 21:10:37 +0200
Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote:

> On 18 July 2014 23:22, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > On Fri, 18 Jul 2014 16:55:42 -0400 (EDT)
> > Nicolas Pitre <nicolas.pitre@xxxxxxxxxx> 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.

-- Steve


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