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>
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@ -1034,6 +1034,11 @@ config DEBUG_PREEMPT
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menu "Lock Debugging (spinlocks, mutexes, etc...)"
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config LOCK_DEBUGGING_SUPPORT
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bool
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depends on TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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default y
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config DEBUG_RT_MUTEXES
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bool "RT Mutex debugging, deadlock detection"
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depends on DEBUG_KERNEL && RT_MUTEXES
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@ -1060,7 +1065,7 @@ config DEBUG_MUTEXES
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config DEBUG_WW_MUTEX_SLOWPATH
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bool "Wait/wound mutex debugging: Slowpath testing"
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depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
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select DEBUG_LOCK_ALLOC
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select DEBUG_SPINLOCK
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select DEBUG_MUTEXES
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@ -1084,7 +1089,7 @@ config DEBUG_RWSEMS
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config DEBUG_LOCK_ALLOC
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bool "Lock debugging: detect incorrect freeing of live locks"
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depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
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select DEBUG_SPINLOCK
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select DEBUG_MUTEXES
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select DEBUG_RT_MUTEXES if RT_MUTEXES
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@ -1099,7 +1104,7 @@ config DEBUG_LOCK_ALLOC
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config PROVE_LOCKING
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bool "Lock debugging: prove locking correctness"
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depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
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select LOCKDEP
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select DEBUG_SPINLOCK
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select DEBUG_MUTEXES
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@ -1144,7 +1149,7 @@ config PROVE_LOCKING
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config LOCKDEP
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bool
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depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
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select STACKTRACE
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select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !SCORE && !X86
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select KALLSYMS
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@ -1155,7 +1160,7 @@ config LOCKDEP_SMALL
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config LOCK_STAT
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bool "Lock usage statistics"
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depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
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depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
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select LOCKDEP
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select DEBUG_SPINLOCK
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select DEBUG_MUTEXES
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