linux-kernel - [PATCH 00/14] x86/unwind/orc: ORC fixes

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Date:   Thu, 12 Mar 2020 12:30:19 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Vince Weaver <vincent.weaver@...ne.edu>,
        Dave Jones <dsj@...com>, Jann Horn <jannh@...gle.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Andy Lutomirski <luto@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 00/14] x86/unwind/orc: ORC fixes

Several ORC unwinder cleanups, fixes, and debug improvements.

Jann Horn (1):
  x86/entry/64: Fix unwind hints in rewind_stack_do_exit()

Josh Poimboeuf (12):
  x86/dumpstack: Add SHOW_REGS_IRET mode
  objtool: Fix stack offset tracking for indirect CFAs
  x86/entry/64: Fix unwind hints in register clearing code
  x86/entry/64: Fix unwind hints in kernel exit path
  x86/entry/64: Fix unwind hints in __switch_to_asm()
  x86/unwind/orc: Convert global variables to static
  x86/unwind: Prevent false warnings for non-current tasks
  x86/unwind/orc: Prevent unwinding before ORC initialization
  x86/unwind/orc: Fix error path for bad ORC entry type
  x86/unwind/orc: Fix premature unwind stoppage due to IRET frames
  x86/unwind/orc: Add more unwinder warnings
  x86/unwind/orc: Add 'unwind_debug' cmdline option

Miroslav Benes (1):
  x86/unwind/orc: Don't skip the first frame for inactive tasks

 .../admin-guide/kernel-parameters.txt         |   6 +
 arch/x86/entry/calling.h                      |  40 ++--
 arch/x86/entry/entry_64.S                     |  14 +-
 arch/x86/include/asm/kdebug.h                 |   1 +
 arch/x86/include/asm/unwind.h                 |   2 +-
 arch/x86/kernel/dumpstack.c                   |  27 +--
 arch/x86/kernel/dumpstack_64.c                |   3 +-
 arch/x86/kernel/process_64.c                  |   7 +-
 arch/x86/kernel/unwind_frame.c                |   3 +
 arch/x86/kernel/unwind_orc.c                  | 185 ++++++++++++++----
 tools/objtool/check.c                         |   2 +-
 11 files changed, 201 insertions(+), 89 deletions(-)

-- 
2.21.1