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Commit 9eade16b authored by Dave Hansen's avatar Dave Hansen Committed by Linus Torvalds
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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: default avatarDave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: default avatarDave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6dfc0665

lib/Kconfig.debug

+10 −6
Original line number Diff line number Diff line
@@ -703,6 +703,8 @@ config DEBUG_PREEMPT 
	  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 @@ config DEBUG_LOCKDEP 
	  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 @@ config DEBUG_LOCKING_API_SELFTESTS 
	  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