linux-kernel - Re: [PATCH 4/4] (RFC) X86: add IPI tracepoints

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Message-ID: <20140718162750.62cbf965@gandalf.local.home>
Date:	Fri, 18 Jul 2014 16:27:50 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 4/4] (RFC) X86: add IPI tracepoints

On Fri, 18 Jul 2014 01:18:55 -0400
Nicolas Pitre <nicolas.pitre@...aro.org> wrote:

 
> diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
> index be8e1bde07..e154d176cf 100644
> --- a/arch/x86/kernel/smp.c
> +++ b/arch/x86/kernel/smp.c
> @@ -31,6 +31,12 @@
>  #include <asm/apic.h>
>  #include <asm/nmi.h>
>  #include <asm/trace/irq_vectors.h>
> +
> +#define CREATE_TRACE_POINTS
> +#undef TRACE_INCLUDE_PATH
> +#undef TRACE_INCLUDE_FILE

I'm curious to why you added the #undefs. I wouldn't think they were
needed.

-- Steve

> +#include <trace/events/ipi.h>
> +
>  /*
>   *	Some notes on x86 processor bugs affecting SMP operation:
>   *
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