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Date: Tue, 7 Nov 2023 08:48:44 -0500
From: Steven Rostedt <rostedt@goodmis.org>
To: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>, Alexei Starovoitov
 <alexei.starovoitov@gmail.com>, Florent Revest <revest@chromium.org>,
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 Mark Rutland <mark.rutland@arm.com>, Thomas Gleixner <tglx@linutronix.de>,
 Guo Ren <guoren@kernel.org>
Subject: Re: [RFC PATCH 24/32] x86/ftrace: Enable HAVE_FUNCTION_GRAPH_FREGS
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On Tue, 7 Nov 2023 14:43:28 +0900
Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:

> > 
> > It's only needed if an architecture supports direct trampolines.  
> 
> I see, and x86_64 needs it.
> OK, maybe better to keep it clear on x86-64 even on the
> return handler.

As it is arch specific, I'm not sure it matters for the return handler, as
the return should never call a direct trampoline.

-- Steve