linux-kernel - Re: [PATCH 1/3] perf/ftrace: Revert ("perf/ftrace: Fix double traces of perf on ftrace:function")

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Date:   Tue, 10 Oct 2017 15:26:44 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, jolsa@...nel.org,
        zhouchengming1@...wei.com
Subject: Re: [PATCH 1/3] perf/ftrace: Revert ("perf/ftrace: Fix double
 traces of perf on ftrace:function")

On Tue, 10 Oct 2017 18:31:25 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> Revert commit:
> 
>   75e8387685f6 ("perf/ftrace: Fix double traces of perf on ftrace:function")
> 
> The reason I insta stumbled on that patch is that it only addresses the ftrace

I'm trying to figure out what you meant by "insta".

-- Steve

> situation and doesn't mention the other _5_ places that use this interface. It
> doesn't explain why those don't have the problem and if not, why their solution
> doesn't work for ftrace.
> 
> It doesn't, but this is just putting more duct tape on.
> 
> Cc: Zhou Chengming <zhouchengming1@...wei.com>
> Cc: Jiri Olsa <jolsa@...nel.org>
> Cc: Steven Rostedt (VMware) <rostedt@...dmis.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
>