linux-kernel - Re: [PATCH 1/1] ftrace: fix function graph tracer

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Message-ID: <1331645811.25686.661.camel@gandalf.stny.rr.com>
Date:	Tue, 13 Mar 2012 09:36:51 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Rajesh Bhagat <rajesh.lnx@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] ftrace: fix function graph tracer


> Signed-off-by: Rajesh Bhagat <rajesh.lnx@...il.com>
> ---
>  kernel/trace/ftrace.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index 683d559..dc2de98 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -219,7 +219,8 @@ static void update_ftrace_function(void)
>  #else
>     __ftrace_trace_function = func;
>  #endif
> -   ftrace_trace_function = ftrace_test_stop_func;
> +   ftrace_trace_function =
> +       (func == ftrace_stub) ? func : ftrace_test_stop_func;
>  #endif
>  }

BTW, this patch has major whitespace issues. It does not apply.

-- Steve


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