linux-kernel - Re: [PATCH 1/1] ftrace: fix dynamic ftrace filter reset issue

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Message-ID: <1332781998.23924.112.camel@gandalf.stny.rr.com>
Date:	Mon, 26 Mar 2012 13:13:18 -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 dynamic ftrace filter reset issue

On Wed, 2012-03-21 at 11:22 +0530, Rajesh Bhagat wrote:

> Signed-off-by: Rajesh Bhagat <rajesh.lnx@...il.com>
> ---
>  kernel/trace/trace.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index a3f1bc5..f4fb190 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -3058,8 +3058,10 @@ static int tracing_set_tracer(const char *buf)
>         ret = -EINVAL;
>         goto out;
>     }
> -   if (t == current_trace)
> +   if (t == current_trace) {
> +       tracing_reset_online_cpus(tr);
>         goto out;
> +   }

BTW, this patch has major whitespace problems. You need to fix your mail
client. For a trivial patch like this, I can fix up, but anything else
will become a major issue. And we do not accept attachments.

-- Steve


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