diff options
Diffstat (limited to 'lib/Kconfig.kcsan')
| -rw-r--r-- | lib/Kconfig.kcsan | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 689b6b81f272..b5d88acbf99d 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -3,9 +3,20 @@ config HAVE_ARCH_KCSAN bool +config KCSAN_KCOV_BROKEN + def_bool KCOV && CC_HAS_SANCOV_TRACE_PC + depends on CC_IS_CLANG + depends on !$(cc-option,-Werror=unused-command-line-argument -fsanitize=thread -fsanitize-coverage=trace-pc) + help + Some versions of clang support either KCSAN and KCOV but not the + combination of the two. + See https://bugs.llvm.org/show_bug.cgi?id=45831 for the status + in newer releases. + menuconfig KCSAN bool "KCSAN: dynamic data race detector" depends on HAVE_ARCH_KCSAN && DEBUG_KERNEL && !KASAN + depends on !KCSAN_KCOV_BROKEN select STACKTRACE help The Kernel Concurrency Sanitizer (KCSAN) is a dynamic |