From 9eade16b4151ec35a9e03bbc7cc890e640a536c1 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 1 Jul 2013 13:04:47 -0700 Subject: 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 Signed-off-by: Dave Hansen Signed-off-by: Linus Torvalds 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 @@ 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 -- cgit v0.10.2