linux-kernel - Re: [tip:perf/urgent] tracing: Include module.h in define

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Message-ID: <1294670334.11896.8.camel@laptop>
Date:	Mon, 10 Jan 2011 15:38:54 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com, hpa@...or.com,
	srostedt@...hat.com, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/urgent] tracing: Include module.h in define_trace.h

On Mon, 2011-01-10 at 09:14 -0500, Steven Rostedt wrote:
> > @@ -21,16 +21,6 @@
> >  #undef CREATE_TRACE_POINTS
> 
> But here we undefine CREATE_TRACE_POINTS, why would this cause a problem
> in module.h?

I'm not sure what's happening, all I know is that without this change I
get:

  LD      vmlinux.o
kernel/built-in.o:(__tracepoints+0xac0): multiple definition of `__tracepoint_module_request'
arch/x86/built-in.o:(__tracepoints+0x100): first defined here
kernel/built-in.o:(__tracepoints+0xa40): multiple definition of `__tracepoint_module_get'
arch/x86/built-in.o:(__tracepoints+0x80): first defined here
kernel/built-in.o:(__tracepoints+0x9c0): multiple definition of `__tracepoint_module_load'
arch/x86/built-in.o:(__tracepoints+0x0): first defined here
kernel/built-in.o:(__tracepoints+0xa80): multiple definition of `__tracepoint_module_put'
arch/x86/built-in.o:(__tracepoints+0xc0): first defined here
kernel/built-in.o:(__tracepoints+0xa00): multiple definition of `__tracepoint_module_free'
arch/x86/built-in.o:(__tracepoints+0x40): first defined here

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