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group locking debugging options

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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>
This commit is contained in:
Dave Hansen 2013-07-01 13:04:47 -07:00 committed by Linus Torvalds
parent 6dfc06651b
commit 9eade16b41
1 changed files with 10 additions and 6 deletions
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16
lib/Kconfig.debug
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@ -703,6 +703,8 @@ config DEBUG_PREEMPT
if kernel code uses it in a preemption-unsafe way. Also, the kernel if kernel code uses it in a preemption-unsafe way. Also, the kernel
will detect preemption count underflows. will detect preemption count underflows.
menu "Lock Debugging (spinlocks, mutexes, etc...)"
config DEBUG_RT_MUTEXES config DEBUG_RT_MUTEXES
bool "RT Mutex debugging, deadlock detection" bool "RT Mutex debugging, deadlock detection"
depends on DEBUG_KERNEL && RT_MUTEXES depends on DEBUG_KERNEL && RT_MUTEXES
@ -832,12 +834,6 @@ config DEBUG_LOCKDEP
additional runtime checks to debug itself, at the price additional runtime checks to debug itself, at the price
of more runtime overhead. 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 config DEBUG_ATOMIC_SLEEP
bool "Sleep inside atomic section checking" bool "Sleep inside atomic section checking"
select PREEMPT_COUNT select PREEMPT_COUNT
@ -859,6 +855,14 @@ config DEBUG_LOCKING_API_SELFTESTS
The following locking APIs are covered: spinlocks, rwlocks, The following locking APIs are covered: spinlocks, rwlocks,
mutexes and rwsems. 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 config STACKTRACE
bool bool
depends on STACKTRACE_SUPPORT depends on STACKTRACE_SUPPORT