[GIT PULL] livepatching for 4.7

[Jiri Kosina]

Linus,

please pull from

  git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching.git for-linus

to receive the following livepatching updates for 4.7 merge window:

- removal of our own implementation of architecture-specific 
  relocation code and leveraging existing code in the module loader to 
  perform arch-dependent work, from Jessica Yu. The relevant patches have 
  been acked by Rusty (for module.c) and Heiko (for s390).

- live patching support for ppc64le, which is a joint work of Michael 
  Ellerman and Torsten Duwe. This is coming from topic branch that is
  share between livepatching.git and ppc tree.

- addition of livepatching documentation from Petr Mladek

----------------------------------------------------------------

Jessica Yu (5):
      Elf: add livepatch-specific Elf constants
      module: preserve Elf information for livepatch modules
      module: s390: keep mod_arch_specific for livepatch modules
      livepatch: reuse module loader code to write relocations
      Documentation: livepatch: outline Elf format and requirements for patch modules

Jiri Kosina (2):
      livepatch: robustify klp_register_patch() API error checking
      Merge branch 'topic/livepatch' of git://git.kernel.org/.../powerpc/linux into for-4.7/livepatching-ppc64le

Michael Ellerman (5):
      ftrace: Make ftrace_location_range() global
      livepatch: Allow architectures to specify an alternate ftrace location
      powerpc/livepatch: Add livepatch header
      powerpc/livepatch: Add livepatch stack to struct thread_info
      powerpc/livepatch: Add live patching support on ppc64le

Miroslav Benes (1):
      livepatch: make object/func-walking helpers more robust

Petr Mladek (1):
      livepatch: Add some basic livepatch documentation

 Documentation/livepatch/livepatch.txt             | 394 ++++++++++++++++++++++
 Documentation/livepatch/module-elf-format.txt     | 311 +++++++++++++++++
 MAINTAINERS                                       |   1 +
 arch/powerpc/Kconfig                              |  22 ++
 arch/powerpc/Makefile                             |  15 +
 arch/powerpc/include/asm/code-patching.h          |  21 ++
 arch/powerpc/include/asm/ftrace.h                 |   5 +
 arch/powerpc/include/asm/livepatch.h              |  62 ++++
 arch/powerpc/include/asm/module.h                 |  12 +-
 arch/powerpc/include/asm/sections.h               |  12 +
 arch/powerpc/include/asm/thread_info.h            |   4 +-
 arch/powerpc/kernel/Makefile                      |  12 +-
 arch/powerpc/kernel/asm-offsets.c                 |   4 +
 arch/powerpc/kernel/entry_64.S                    | 263 ++++++++++++++-
 arch/powerpc/kernel/ftrace.c                      | 132 ++++++--
 arch/powerpc/kernel/irq.c                         |   3 +
 arch/powerpc/kernel/module.c                      |   5 +
 arch/powerpc/kernel/module_32.c                   |  20 +-
 arch/powerpc/kernel/module_64.c                   | 214 ++++++++----
 arch/powerpc/kernel/paca.c                        |  11 +-
 arch/powerpc/kernel/process.c                     |   6 +-
 arch/powerpc/kernel/setup_64.c                    |  17 +-
 arch/powerpc/lib/Makefile                         |   4 +-
 arch/powerpc/platforms/powermac/Makefile          |   2 +-
 arch/powerpc/scripts/gcc-check-mprofile-kernel.sh |  23 ++
 arch/s390/include/asm/livepatch.h                 |   7 -
 arch/s390/kernel/module.c                         |   6 +-
 arch/x86/include/asm/livepatch.h                  |   2 -
 arch/x86/kernel/Makefile                          |   1 -
 arch/x86/kernel/livepatch.c                       |  70 ----
 include/linux/ftrace.h                            |   1 +
 include/linux/livepatch.h                         |  26 +-
 include/linux/module.h                            |  25 ++
 include/uapi/linux/elf.h                          |  10 +-
 kernel/livepatch/core.c                           | 191 +++++++----
 kernel/module.c                                   | 125 ++++++-
 kernel/trace/ftrace.c                             |  14 +-
 samples/livepatch/livepatch-sample.c              |   1 +
 38 files changed, 1746 insertions(+), 308 deletions(-)
 create mode 100644 Documentation/livepatch/livepatch.txt
 create mode 100644 Documentation/livepatch/module-elf-format.txt
 create mode 100644 arch/powerpc/include/asm/livepatch.h
 create mode 100755 arch/powerpc/scripts/gcc-check-mprofile-kernel.sh
 delete mode 100644 arch/x86/kernel/livepatch.c

-- 
Jiri Kosina
SUSE Labs