kcov used to be broken prior to Clang 11, but right now that version is already the minimum required to build with KCSAN, because no prior compiler has "-tsan-distinguish-volatile=1". Therefore KCSAN_KCOV_BROKEN is not needed anymore. Suggested-by: Marco Elver <elver@xxxxxxxxxx> Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> --- Link: https://linux-review.googlesource.com/id/Ida287421577f37de337139b5b5b9e977e4a6fee2 --- lib/Kconfig.kcsan | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 63b70b8c55519..de022445fbba5 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -10,21 +10,10 @@ config HAVE_KCSAN_COMPILER For the list of compilers that support KCSAN, please see <file:Documentation/dev-tools/kcsan.rst>. -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 && HAVE_KCSAN_COMPILER depends on DEBUG_KERNEL && !KASAN - depends on !KCSAN_KCOV_BROKEN select STACKTRACE help The Kernel Concurrency Sanitizer (KCSAN) is a dynamic -- 2.35.1.1021.g381101b075-goog
