From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Subject: Revert "arm64: bti: Require clang >= 10.0.1 for in-kernel BTI support" This reverts commit b9249cba25a5dce5de87e5404503a5e11832c2dd. The minimum supported version of clang is now 10.0.1. Link: https://lkml.kernel.org/r/20200902225911.209899-4-ndesaulniers@xxxxxxxxxx Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Suggested-by: Nathan Chancellor <natechancellor@xxxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Fangrui Song <maskray@xxxxxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx> Cc: Sedat Dilek <sedat.dilek@xxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/Kconfig | 2 -- 1 file changed, 2 deletions(-) --- a/arch/arm64/Kconfig~revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support +++ a/arch/arm64/Kconfig @@ -1612,8 +1612,6 @@ config ARM64_BTI_KERNEL depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697 depends on !CC_IS_GCC || GCC_VERSION >= 100100 - # https://reviews.llvm.org/rGb8ae3fdfa579dbf366b1bb1cbfdbf8c51db7fa55 - depends on !CC_IS_CLANG || CLANG_VERSION >= 100001 depends on !(CC_IS_CLANG && GCOV_KERNEL) depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS) help _
