linux-kernel - Re: [PATCH v4 0/4] unwind

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Message-ID: <2da7ebd8-3e7a-4f62-a8ba-83d6363b8e0c@linux.ibm.com>
Date: Tue, 9 Dec 2025 10:10:00 +0100
From: Jens Remus <jremus@...ux.ibm.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        x86@...nel.org, Steven Rostedt <rostedt@...nel.org>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Indu Bhagat <indu.bhagat@...cle.com>,
        "Jose E. Marchesi" <jemarch@....org>,
        Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v4 0/4] unwind_user: Cleanups

Hello Peter!

On 12/8/2025 8:36 PM, Peter Zijlstra wrote:
> On Mon, Dec 08, 2025 at 05:03:48PM +0100, Jens Remus wrote:

>> Jens Remus (4):
>>   unwind_user: Enhance comments on get CFA, FP, and RA
>>   unwind_user/fp: Use dummies instead of ifdef
>>   x86/unwind_user: Guard unwind_user_word_size() by UNWIND_USER
>>   x86/unwind_user: Simplify unwind_user_word_size()
>>
>>  arch/x86/include/asm/unwind_user.h | 27 ++++++++++++++-------------
>>  include/linux/unwind_user.h        | 18 ++++++++++++++++--
>>  kernel/unwind/user.c               | 12 ++++--------
>>  3 files changed, 34 insertions(+), 23 deletions(-)
> 
> I'll go stick these patches in tip/perf/core after rc1 or so, no real
> hurry with these, right?
Perfect, that is fine with me.

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

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