[PATCH] lockdep: remove mutex deadlock checking code

With the lock validator we detect mutex deadlocks (and more), the mutex
deadlock checking code is both redundant and slower.  So remove it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index e4fcbd12cf6e..7b3863d4f5e8 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -115,14 +115,6 @@ 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 n
-        depends on DEBUG_KERNEL
-        help
-         This allows mutex semantics violations and mutex related deadlocks
-         (lockups) to be detected and reported automatically.
-
 config DEBUG_RT_MUTEXES
         bool "RT Mutex debugging, deadlock detection"
         depends on DEBUG_KERNEL && RT_MUTEXES