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SubjectRe: [PATCH] trace: Fix build breakage without CONFIG_PERF_EVENTS
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Hi Mark,

Please change your subject when you submit a new patch. I've ignored
your last one because I thought I already applied it.

Your first patch:

http://marc.info/?l=linux-kernel&m=133042701226637

Which was applied:

https://lkml.org/lkml/2012/3/14/304


Your second patch:

https://lkml.org/lkml/2012/3/26/164

As with this one, has the same subject. I only noticed it as I was about
to tell you that it was already applied.

Thanks,

-- Steve


On Wed, 2012-04-11 at 09:20 +0100, Mark Brown wrote:
> Today's -next fails to link for me:
>
> kernel/built-in.o:(.data+0x178e50): undefined reference to `perf_ftrace_event_register'
>
> It looks like multiple fixes have been merged for the issue fixed by
> commit fa73dc9 (tracing: Fix build breakage without CONFIG_PERF_EVENTS)
> though I can't identify the other changes that have gone in at the
> minute, it's possible that the changes which caused the breakage fixed
> by the previous commit got dropped but the fix made it in.
>
> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> ---
> kernel/trace/trace.h | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
> index 95059f0..ff639ca 100644
> --- a/kernel/trace/trace.h
> +++ b/kernel/trace/trace.h
> @@ -836,11 +836,15 @@ extern const char *__stop___trace_bprintk_fmt[];
> filter)
> #include "trace_entries.h"
>
> +#ifdef CONFIG_PERF_EVENTS
> #ifdef CONFIG_FUNCTION_TRACER
> int perf_ftrace_event_register(struct ftrace_event_call *call,
> enum trace_reg type, void *data);
> #else
> #define perf_ftrace_event_register NULL
> #endif /* CONFIG_FUNCTION_TRACER */
> +#else
> +#define perf_ftrace_event_register NULL
> +#endif /* CONFIG_PERF_EVENTS */
>
> #endif /* _LINUX_KERNEL_TRACE_H */




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