Hi Nathan, On Wed, Nov 02, 2022 at 09:32:50AM -0700, Nathan Chancellor wrote: > should s390 select ARCH_SUPPORTS_CFI_CLANG in the future. Yes, s390 should select that :) But, is there any switch or option I need to set when compiling clang, so it knows about the kcfi sanitizer? I get: clang-16: error: unsupported option '-fsanitize=kcfi' for target 's390x-ibm-linux' > clang --version clang version 16.0.0 (https://github.com/llvm/llvm-project.git e02110e2ab4dd71b276e887483f0e6e286d243ed)