linux-kernel - Re: tracing: Multi definition of TRACE_INCLUDE

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Date:	Thu, 14 Jan 2010 10:46:44 +0800
From:	Wenji Huang <wenji.huang@...cle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: tracing: Multi definition of TRACE_INCLUDE_FILE

Hi Steven,

Steven Rostedt wrote:
> On Wed, Jan 06, 2010 at 03:40:40PM +0800, Wenji Huang wrote:
>> Hi,
>>
>> There are multi definition of TRACE_INCLUDE_FILE on
>> include/trace/events/{syscalls, kvm}.h
>> It will result in compilation error when some
>> out-of-tree tools like Systemtap processes kernel
>> tracepoints in a way to put header files into module.
>>
> 
> Does the following patch fix your issues?
> 

Yes, that could be.

Thanks,
wenji

> -- Steve
> 
> 
> diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
> index dbe1084..532d658 100644
> --- a/include/trace/events/kvm.h
> +++ b/include/trace/events/kvm.h
> @@ -4,6 +4,7 @@
>  #include <linux/tracepoint.h>
>  
>  #undef TRACE_SYSTEM
> +#undef TRACE_INCLUDE_FILE
>  #define TRACE_SYSTEM kvm
>  #define TRACE_INCLUDE_FILE kvm
>  
> diff --git a/include/trace/events/syscalls.h b/include/trace/events/syscalls.h
> index fb726ac..52290bb 100644
> --- a/include/trace/events/syscalls.h
> +++ b/include/trace/events/syscalls.h
> @@ -1,4 +1,5 @@
>  #undef TRACE_SYSTEM
> +#undef TRACE_INCLUDE_FILE
>  #define TRACE_SYSTEM raw_syscalls
>  #define TRACE_INCLUDE_FILE syscalls
>  

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