linux-kernel - [PATCH v3 0/2] AARCH64: Enable GCC-based Shadow Call Stack

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Date:   Wed,  2 Mar 2022 23:33:40 -0800
From:   Dan Li <ashimida@...ux.alibaba.com>
To:     akpm@...ux-foundation.org, arnd@...db.de, catalin.marinas@....com,
        ashimida@...ux.alibaba.com, gregkh@...uxfoundation.org,
        linux@...ck-us.net, keescook@...omium.org,
        luc.vanoostenryck@...il.com, elver@...gle.com,
        mark.rutland@....com, masahiroy@...nel.org, ojeda@...nel.org,
        nathan@...nel.org, npiggin@...il.com, ndesaulniers@...gle.com,
        samitolvanen@...gle.com, shuah@...nel.org, tglx@...utronix.de,
        will@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, llvm@...ts.linux.dev
Subject: [PATCH v3 0/2] AARCH64: Enable GCC-based Shadow Call Stack

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

-- 
2.17.1