diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 | ||||
| -rw-r--r-- | lib/Kconfig.kcsan | 6 | ||||
| -rw-r--r-- | lib/Kconfig.kmsan | 11 |
3 files changed, 2 insertions, 17 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index dc0e0c6ed075..6c12852e77c8 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -259,7 +259,7 @@ config DEBUG_INFO_NONE config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT bool "Rely on the toolchain's implicit default DWARF version" select DEBUG_INFO - depends on !CC_IS_CLANG || AS_IS_LLVM || CLANG_VERSION < 140000 || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_ULEB128) + depends on !CC_IS_CLANG || AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_ULEB128) help The implicit default version of DWARF debug info produced by a toolchain changes over time. diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 609ddfc73de5..4ce4b0c0109c 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -185,12 +185,6 @@ config KCSAN_WEAK_MEMORY bool "Enable weak memory modeling to detect missing memory barriers" default y depends on KCSAN_STRICT - # We can either let objtool nop __tsan_func_{entry,exit}() and builtin - # atomics instrumentation in .noinstr.text, or use a compiler that can - # implement __no_kcsan to really remove all instrumentation. - depends on !ARCH_WANTS_NO_INSTR || HAVE_NOINSTR_HACK || \ - CC_IS_GCC || CLANG_VERSION >= 140000 - select OBJTOOL if HAVE_NOINSTR_HACK help Enable support for modeling a subset of weak memory, which allows detecting a subset of data races due to missing memory barriers. diff --git a/lib/Kconfig.kmsan b/lib/Kconfig.kmsan index 0541d7b079cc..7251b6b59e69 100644 --- a/lib/Kconfig.kmsan +++ b/lib/Kconfig.kmsan @@ -3,10 +3,7 @@ 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_IS_CLANG config KMSAN bool "KMSAN: detector of uninitialized values use" @@ -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 |