[PATCH 0/3] cfi: Use __builtin_function_start

Sami Tolvanen samitolvanen at google.com
Fri Apr 1 13:19:13 PDT 2022


Clang 14 introduced the __builtin_function_start intrinsic, which
makes it possible to cleanly implement the function_nocfi() macro in a
way that also works with static initializers. Add a default
function_nocfi() implementation and drop the arm64 inline assembly
version.

Sami Tolvanen (3):
  kbuild: Change CFI_CLANG to depend on __builtin_function_start
  linux/compiler-clang.h: define function_nocfi
  arm64: Drop the inline assembly implementation of function_nocfi

 arch/Kconfig                      |  5 +----
 arch/arm64/include/asm/compiler.h | 16 ----------------
 include/linux/compiler-clang.h    | 10 ++++++++++
 init/Kconfig                      |  3 +++
 4 files changed, 14 insertions(+), 20 deletions(-)

-- 
2.35.0




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