linux-kernel - Re: [RFC PATCH 2/5] unwind: Export unwind

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Message-ID: <20250714082606.06e7d4a1@gandalf.local.home>
Date: Mon, 14 Jul 2025 08:26:06 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: Christoph Hellwig <hch@...radead.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, linux-kernel@...r.kernel.org, Josh
 Poimboeuf <jpoimboe@...nel.org>, Masami Hiramatsu <mhiramat@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, Jiri
 Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Thomas
 Gleixner <tglx@...utronix.de>, Andrii Nakryiko <andrii@...nel.org>, Indu
 Bhagat <indu.bhagat@...cle.com>, "Jose E. Marchesi" <jemarch@....org>, Beau
 Belgrave <beaub@...ux.microsoft.com>, Jens Remus <jremus@...ux.ibm.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton
 <akpm@...ux-foundation.org>, tech-board-discuss@...ts.linuxfoundation.org
Subject: Re: [RFC PATCH 2/5] unwind: Export unwind_user symbol to GPL
 modules

On Mon, 14 Jul 2025 08:20:33 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> Just like perf and ftrace. They are stand alone subsystems where other

I should clarify, I'm using "ftrace" to reference the "tracing" subsystem,
as "ftrace" technically is the function hook mechanism that is tightly
coupled with every architecture that uses it.

So here, when I say "ftrace" I mean kernel/trace/*, and I really should say
"the tracing subsystem"

-- Steve