Merge tag 'erofs-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang...

[linux-2.6-microblaze.git] / lib / Kconfig.kcsan

diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan
index 3d282d5..f271ff5 100644 (file)
--- a/lib/Kconfig.kcsan
+++ b/lib/Kconfig.kcsan
@@ -40,6 +40,11 @@ menuconfig KCSAN
 
 if KCSAN
 
+# Compiler capabilities that should not fail the test if they are unavailable.
+config CC_HAS_TSAN_COMPOUND_READ_BEFORE_WRITE
+       def_bool (CC_IS_CLANG && $(cc-option,-fsanitize=thread -mllvm -tsan-compound-read-before-write=1)) || \
+                (CC_IS_GCC && $(cc-option,-fsanitize=thread --param tsan-compound-read-before-write=1))
+
 config KCSAN_VERBOSE
        bool "Show verbose reports with more information about system state"
        depends on PROVE_LOCKING