group locking debugging options
Original posting:
http://lkml.kernel.org/r/20121214184208.D9E5804D@kernel.stglabs.ibm.com
There are quite a few of these, and we want to make sure that
there is one-stop-shopping for lock debugging.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 70dfda3..c0d41df 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -703,6 +703,8 @@
if kernel code uses it in a preemption-unsafe way. Also, the kernel
will detect preemption count underflows.
+menu "Lock Debugging (spinlocks, mutexes, etc...)"
+
config DEBUG_RT_MUTEXES
bool "RT Mutex debugging, deadlock detection"
depends on DEBUG_KERNEL && RT_MUTEXES
@@ -832,12 +834,6 @@
additional runtime checks to debug itself, at the price
of more runtime overhead.
-config TRACE_IRQFLAGS
- bool
- help
- Enables hooks to interrupt enabling and disabling for
- either tracing or lock debugging.
-
config DEBUG_ATOMIC_SLEEP
bool "Sleep inside atomic section checking"
select PREEMPT_COUNT
@@ -859,6 +855,14 @@
The following locking APIs are covered: spinlocks, rwlocks,
mutexes and rwsems.
+endmenu # lock debugging
+
+config TRACE_IRQFLAGS
+ bool
+ help
+ Enables hooks to interrupt enabling and disabling for
+ either tracing or lock debugging.
+
config STACKTRACE
bool
depends on STACKTRACE_SUPPORT