linux-kernel - Re: [PATCH v2] selftests/ftrace: Add test to exercize function tracer across cpu hotplug

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Date: Fri, 12 Jan 2024 13:05:11 +0530
From: Naveen N Rao <naveen@...nel.org>
To: Shuah Khan <shuah@...nel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>, 
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Michael Ellerman <mpe@...erman.id.au>, Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v2] selftests/ftrace: Add test to exercize function
 tracer across cpu hotplug

Hi Shuah,

On Wed, Dec 13, 2023 at 10:06:29AM -0500, Steven Rostedt wrote:
> On Wed, 13 Dec 2023 21:54:50 +0900
> Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:
> 
> > On Wed, 13 Dec 2023 17:08:02 +0530
> > Naveen N Rao <naveen@...nel.org> wrote:
> > 
> > > Add a test to exercize cpu hotplug with the function tracer active to
> > > ensure that sensitive functions in idle path are excluded from being
> > > traced. This helps catch issues such as the one fixed by commit
> > > 4b3338aaa74d ("powerpc/ftrace: Fix stack teardown in ftrace_no_trace").
> > >   
> > 
> > Looks good to me.
> > 
> > Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
> > 
> > Thank you,
> > 
> 
> Thanks Naveen and Masami!
> 
> Shuah, can you take this through your tree?

Can you please pick up this patch?

- Naveen