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-rw-r--r--lib/Kconfig.debug25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 07c89e4b5d60..acedbe626d47 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -716,6 +716,19 @@ source "lib/Kconfig.kmemcheck"
source "lib/Kconfig.kasan"
+config DEBUG_REFCOUNT
+ bool "Verbose refcount checks"
+ help
+ Say Y here if you want reference counters (refcount_t and kref) to
+ generate WARNs on dubious usage. Without this refcount_t will still
+ be a saturating counter and avoid Use-After-Free by turning it into
+ a resource leak Denial-Of-Service.
+
+ Use of this option will increase kernel text size but will alert the
+ admin of potential abuse.
+
+ If in doubt, say "N".
+
endmenu # "Memory Debugging"
config ARCH_HAS_KCOV
@@ -1166,6 +1179,18 @@ config LOCK_TORTURE_TEST
Say M if you want these torture tests to build as a module.
Say N if you are unsure.
+config WW_MUTEX_SELFTEST
+ tristate "Wait/wound mutex selftests"
+ help
+ This option provides a kernel module that runs tests on the
+ on the struct ww_mutex locking API.
+
+ It is recommended to enable DEBUG_WW_MUTEX_SLOWPATH in conjunction
+ with this test harness.
+
+ Say M if you want these self tests to build as a module.
+ Say N if you are unsure.
+
endmenu # lock debugging
config TRACE_IRQFLAGS