Shadow call stacks will be available in GCC >= 12, this series makes
the corresponding kernel configuration available when compiling
the kernel with the gcc and adds corresponding tests in lkdtm.

Dan Li (2):
  AARCH64: Add gcc Shadow Call Stack support
  lkdtm: Add Shadow Call Stack tests

 arch/Kconfig                            | 19 +++----
 arch/arm64/Kconfig                      |  2 +-
 drivers/misc/lkdtm/Makefile             |  1 +
 drivers/misc/lkdtm/core.c               |  2 +
 drivers/misc/lkdtm/lkdtm.h              |  4 ++
 drivers/misc/lkdtm/scs.c                | 67 +++++++++++++++++++++++++
 include/linux/compiler-gcc.h            |  4 ++
 tools/testing/selftests/lkdtm/tests.txt |  2 +
 8 files changed, 91 insertions(+), 10 deletions(-)
 create mode 100644 drivers/misc/lkdtm/scs.c

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2.17.1