linux-kernel - [RFC PATCH 0/5] Improvements to unwind user

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Message-ID: <20250709212556.32777-1-mathieu.desnoyers@efficios.com>
Date: Wed,  9 Jul 2025 17:25:47 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	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>
Subject: [RFC PATCH 0/5] Improvements to unwind user

Here are a few improvements to unwind user for feedback.

Thanks,

Mathieu

Cc: Steven Rostedt (Google) <rostedt@...dmis.org>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andrii Nakryiko <andrii@...nel.org>
Cc: Indu Bhagat <indu.bhagat@...cle.com>
Cc: "Jose E. Marchesi" <jemarch@....org>
Cc: Beau Belgrave <beaub@...ux.microsoft.com>
Cc: Jens Remus <jremus@...ux.ibm.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>

Mathieu Desnoyers (5):
  unwind_user: Fix userspace unwind iterator 32-bit compat handling
  unwind: Export unwind_user symbol to GPL modules
  unwind deferred: Introduce unwind_user_trace_cached
  unwind: Rename unwind_stacktrace to unwind_user_stacktrace
  unwind: Introduce unwind user entry type

 arch/Kconfig                             |   4 -
 arch/x86/Kconfig                         |   1 -
 arch/x86/include/asm/unwind_user.h       |   9 +-
 arch/x86/include/asm/unwind_user_types.h |   4 +-
 arch/x86/kernel/stacktrace.c             |   6 +-
 include/linux/unwind_deferred.h          |   8 +-
 include/linux/unwind_deferred_types.h    |   6 +-
 include/linux/unwind_user.h              |  11 +-
 include/linux/unwind_user_types.h        |  36 ++++--
 kernel/unwind/deferred.c                 |  35 +++++-
 kernel/unwind/user.c                     | 147 ++++++++++++++---------
 11 files changed, 167 insertions(+), 100 deletions(-)

-- 
2.43.0