The minimal compiler versions, GCC 4.9 and Clang 10 support this flag. Here is the godbolt: https://godbolt.org/z/59cK6o Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 1b6abecc5cab..5102c89d3167 100644 --- a/Makefile +++ b/Makefile @@ -934,7 +934,7 @@ KBUILD_CFLAGS += -fno-merge-all-constants KBUILD_CFLAGS += $(call cc-option,-fmerge-constants) # Make sure -fstack-check isn't enabled (like gentoo apparently did) -KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,) +KBUILD_CFLAGS += -fno-stack-check # conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) -- 2.25.1