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authorWaiman Long <longman@redhat.com>2018-03-31 00:27:59 +0300
committerIngo Molnar <mingo@kernel.org>2018-03-31 08:30:50 +0300
commitf07cbebb6daf04e5c9721e5be2737a6068c7e2a2 (patch)
tree3c1b9301b828cbd9827a6b7b30465deb8c40e67b /lib
parent5149cbac4235e12a34cf089592a8bd1c9fcfa467 (diff)
downloadlinux-f07cbebb6daf04e5c9721e5be2737a6068c7e2a2.tar.xz
locking/Kconfig: Add LOCK_DEBUGGING_SUPPORT to make it more readable
There are a couples of lock debugging Kconfig options that depends on the following support options: - TRACE_IRQFLAGS_SUPPORT - STACKTRACE_SUPPORT - LOCKDEP_SUPPORT That makes those lock debugging options harder to read and understand. So a new LOCK_DEBUGGING_SUPPORT option is added that is equivalent to the above three options together. That makes the Kconfig.debug file more readable. Signed-off-by: Waiman Long <longman@redhat.com> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1522445280-7767-3-git-send-email-longman@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug15
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 88650ab5cedb..ee7ca42e737e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1034,6 +1034,11 @@ config DEBUG_PREEMPT
menu "Lock Debugging (spinlocks, mutexes, etc...)"
+config LOCK_DEBUGGING_SUPPORT
+ bool
+ depends on TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ default y
+
config DEBUG_RT_MUTEXES
bool "RT Mutex debugging, deadlock detection"
depends on DEBUG_KERNEL && RT_MUTEXES
@@ -1060,7 +1065,7 @@ config DEBUG_MUTEXES
config DEBUG_WW_MUTEX_SLOWPATH
bool "Wait/wound mutex debugging: Slowpath testing"
- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select DEBUG_LOCK_ALLOC
select DEBUG_SPINLOCK
select DEBUG_MUTEXES
@@ -1084,7 +1089,7 @@ config DEBUG_RWSEMS
config DEBUG_LOCK_ALLOC
bool "Lock debugging: detect incorrect freeing of live locks"
- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select DEBUG_SPINLOCK
select DEBUG_MUTEXES
select DEBUG_RT_MUTEXES if RT_MUTEXES
@@ -1099,7 +1104,7 @@ config DEBUG_LOCK_ALLOC
config PROVE_LOCKING
bool "Lock debugging: prove locking correctness"
- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select LOCKDEP
select DEBUG_SPINLOCK
select DEBUG_MUTEXES
@@ -1144,7 +1149,7 @@ config PROVE_LOCKING
config LOCKDEP
bool
- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select STACKTRACE
select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !SCORE && !X86
select KALLSYMS
@@ -1155,7 +1160,7 @@ config LOCKDEP_SMALL
config LOCK_STAT
bool "Lock usage statistics"
- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+ depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select LOCKDEP
select DEBUG_SPINLOCK
select DEBUG_MUTEXES