[PATCH] mutex subsystem, debugging code

[powerpc.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c48260f..1fcd856 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -95,6 +95,14 @@ config DEBUG_PREEMPT
          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