[PATCH] mutex subsystem, debugging code
mutex implementation - add debugging code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c48260f..1fcd856 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -95,6 +95,14 @@
if kernel code uses it in a preemption-unsafe way. Also, the kernel
will detect preemption count underflows.
+config DEBUG_MUTEXES
+ bool "Mutex debugging, deadlock detection"
+ default y
+ depends on DEBUG_KERNEL
+ help
+ This allows mutex semantics violations and mutex related deadlocks
+ (lockups) to be detected and reported automatically.
+
config DEBUG_SPINLOCK
bool "Spinlock debugging"
depends on DEBUG_KERNEL