diff options
Diffstat (limited to 'lib/Kconfig.kmsan')
| -rw-r--r-- | lib/Kconfig.kmsan | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/lib/Kconfig.kmsan b/lib/Kconfig.kmsan index ef2c8f256c57..cae1ddcc18e1 100644 --- a/lib/Kconfig.kmsan +++ b/lib/Kconfig.kmsan @@ -3,15 +3,12 @@ config HAVE_ARCH_KMSAN bool config HAVE_KMSAN_COMPILER - # Clang versions <14.0.0 also support -fsanitize=kernel-memory, but not - # all the features necessary to build the kernel with KMSAN. - depends on CC_IS_CLANG && CLANG_VERSION >= 140000 - def_bool $(cc-option,-fsanitize=kernel-memory -mllvm -msan-disable-checks=1) + def_bool $(cc-option,-fsanitize=kernel-memory) config KMSAN bool "KMSAN: detector of uninitialized values use" depends on HAVE_ARCH_KMSAN && HAVE_KMSAN_COMPILER - depends on SLUB && DEBUG_KERNEL && !KASAN && !KCSAN + depends on DEBUG_KERNEL && !KASAN && !KCSAN depends on !PREEMPT_RT select STACKDEPOT select STACKDEPOT_ALWAYS_INIT @@ -28,15 +25,9 @@ config KMSAN if KMSAN -config HAVE_KMSAN_PARAM_RETVAL - # -fsanitize-memory-param-retval is supported only by Clang >= 14. - depends on HAVE_KMSAN_COMPILER - def_bool $(cc-option,-fsanitize=kernel-memory -fsanitize-memory-param-retval) - config KMSAN_CHECK_PARAM_RETVAL bool "Check for uninitialized values passed to and returned from functions" default y - depends on HAVE_KMSAN_PARAM_RETVAL help If the compiler supports -fsanitize-memory-param-retval, KMSAN will eagerly check every function parameter passed by value and every |