From: Sahara <keun-o.p...@darkmatter.ae>

This series of patches introduce the arm64 arch_within_stack_frames
implementation using stacktrace functions. Also the base code is
moved from thread_info.h to stacktrace.h. x86 code is reimplemented
to use frame pointer unwinder functions.

Note: The code is still missing in case of using x86 ORC unwinder and
guess unwinder.

v2 changes:
 - Remove 'arm64: usercopy: consider dynamic array stack variable'
 - minor fix in x86 arch_within_stack_frames code.
v3 changes:
 - Fix build problem caused by circular inclusion of header in x86 UP config
v4 changes:
 - Fix build problem caused by page_ext.h change

James Morse (1):
  arm64: usercopy: implement arch_within_stack_frames

Sahara (2):
  stacktrace: move arch_within_stack_frames from thread_info.h
  x86: usercopy: reimplement arch_within_stack_frames with unwinder

 arch/arm64/Kconfig                 |  1 +
 arch/arm64/kernel/stacktrace.c     | 76 +++++++++++++++++++++++++++++++++
 arch/x86/include/asm/thread_info.h | 51 +---------------------
 arch/x86/include/asm/unwind.h      |  5 +++
 arch/x86/kernel/Makefile           |  2 +-
 arch/x86/kernel/stacktrace.c       | 87 ++++++++++++++++++++++++++++++++++++++
 arch/x86/kernel/unwind_frame.c     |  4 +-
 include/linux/stacktrace.h         | 24 +++++++++++
 include/linux/thread_info.h        | 21 ---------
 mm/usercopy.c                      |  2 +-
 10 files changed, 197 insertions(+), 76 deletions(-)

-- 
2.7.4

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