linux-kernel - Re: [PATCH v8 06/12] unwind_user/sframe: Wire up unwind

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Message-ID: <517825b1-ee74-4ffa-a182-d3f9abf99298@linux.ibm.com>
Date: Thu, 10 Jul 2025 10:03:21 +0200
From: Jens Remus <jremus@...ux.ibm.com>
To: Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Steven Rostedt <rostedt@...nel.org>, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org, bpf@...r.kernel.org,
        x86@...nel.org, Masami Hiramatsu <mhiramat@...nel.org>,
        Josh Poimboeuf
 <jpoimboe@...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>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jens Axboe <axboe@...nel.dk>, Florian Weimer <fweimer@...hat.com>,
        Sam James <sam@...too.org>, Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>
Subject: Re: [PATCH v8 06/12] unwind_user/sframe: Wire up unwind_user to
 sframe

On 09.07.2025 16:06, Steven Rostedt wrote:
> But for now, until we have a use case that we are implementing, I want
> to keep this simple, otherwise it will never get done. I don't want to
> add features for hypothetical scenarios.

> Jens, is there something that the architecture code needs now? If so,
> then lets fix it, otherwise lets do it when there is something. This
> isn't user API, it can change in the future.

I am fine with your suggestion.  My s390 sframe support does not require
any changes in this regard.

Regards,
Jens
-- 
Jens Remus
Linux on Z Development (D3303)
+49-7031-16-1128 Office
jremus@...ibm.com

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