From c761c84154dcd952182e4867d841298c9eb0b14b Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Tue, 8 May 2007 00:25:02 -0700 Subject: [PATCH] kconfig: centralize the selection of semaphore debugging in lib/Kconfig.debug Remove the Kconfig selection of semaphore debugging from the ALPHA and FRV Kconfig files, and centralize it in lib/Kconfig.debug. There doesn't seem to be much point in letting individual architectures independently define the same Kconfig option when it can just as easily be put in a single Kconfig file and made dependent on a subset of architectures. that way, at least the option shows up in the same relative location in the menu each time. Signed-off-by: Robert P. J. Day Cc: David Howells Cc: Ivan Kokshaysky Cc: Richard Henderson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/Kconfig.debug | 8 -------- arch/frv/kernel/semaphore.c | 2 +- include/asm-frv/semaphore.h | 14 ++++++-------- lib/Kconfig.debug | 10 ++++++++++ 4 files changed, 17 insertions(+), 17 deletions(-) diff --git a/arch/alpha/Kconfig.debug b/arch/alpha/Kconfig.debug index 36d0106c32..f45f28cc10 100644 --- a/arch/alpha/Kconfig.debug +++ b/arch/alpha/Kconfig.debug @@ -16,14 +16,6 @@ config DEBUG_RWLOCK too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N. -config DEBUG_SEMAPHORE - bool "Semaphore debugging" - depends on DEBUG_KERNEL - help - If you say Y here then semaphore processing will issue lots of - verbose debugging messages. If you suspect a semaphore problem or a - kernel hacker asks for this option then say Y. Otherwise say N. - config ALPHA_LEGACY_START_ADDRESS bool "Legacy kernel start address" depends on ALPHA_GENERIC diff --git a/arch/frv/kernel/semaphore.c b/arch/frv/kernel/semaphore.c index f278cdf3a7..8e182ced1a 100644 --- a/arch/frv/kernel/semaphore.c +++ b/arch/frv/kernel/semaphore.c @@ -19,7 +19,7 @@ struct sem_waiter { struct task_struct *task; }; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE void semtrace(struct semaphore *sem, const char *str) { if (sem->debug) diff --git a/include/asm-frv/semaphore.h b/include/asm-frv/semaphore.h index 907c5c3643..09586528e0 100644 --- a/include/asm-frv/semaphore.h +++ b/include/asm-frv/semaphore.h @@ -20,8 +20,6 @@ #include #include -#define SEMAPHORE_DEBUG 0 - /* * the semaphore definition * - if counter is >0 then there are tokens available on the semaphore for down to collect @@ -32,12 +30,12 @@ struct semaphore { unsigned counter; spinlock_t wait_lock; struct list_head wait_list; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE unsigned __magic; #endif }; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE # define __SEM_DEBUG_INIT(name) , (long)&(name).__magic #else # define __SEM_DEBUG_INIT(name) @@ -76,7 +74,7 @@ static inline void down(struct semaphore *sem) { unsigned long flags; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -95,7 +93,7 @@ static inline int down_interruptible(struct semaphore *sem) unsigned long flags; int ret = 0; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -119,7 +117,7 @@ static inline int down_trylock(struct semaphore *sem) unsigned long flags; int success = 0; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -136,7 +134,7 @@ static inline void up(struct semaphore *sem) { unsigned long flags; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 9a287796da..9bd002a004 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -201,6 +201,16 @@ config DEBUG_MUTEXES This feature allows mutex semantics violations to be detected and reported. +config DEBUG_SEMAPHORE + bool "Semaphore debugging" + depends on DEBUG_KERNEL + depends on ALPHA || FRV + default n + help + If you say Y here then semaphore processing will issue lots of + verbose debugging messages. If you suspect a semaphore problem or a + kernel hacker asks for this option then say Y. Otherwise say N. + config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -- 2.39.5