ubsan: remove cc-option test for UBSAN_TRAP

-fsanitize-undefined-trap-on-error has been supported since GCC 5.1 and
Clang 3.2.  The minimum supported version of these according to
Documentation/process/changes.rst is 5.1 and 11.0.0 respectively. Drop
this cc-option check.

Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230407215406.768464-1-ndesaulniers@google.com

diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 65d8bbcba4389f3817f036e345ceabfe5b6e6795..efae7e01195654fec92e7e9ea5aacf4eefc2f551 100644 (file)
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -15,7 +15,6 @@ if UBSAN
 config UBSAN_TRAP
        bool "On Sanitizer warnings, abort the running kernel code"
        depends on !COMPILE_TEST
-       depends on $(cc-option, -fsanitize-undefined-trap-on-error)
        help
          Building kernels with Sanitizer features enabled tends to grow
          the kernel size by around 5%, due to adding all the debugging