From e7eebaf6a81b956c989f184ee4b27277c88f8afe Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 27 Jun 2006 02:54:55 -0700 Subject: [PATCH] pi-futex: rt mutex debug Runtime debugging functionality for rt-mutexes. Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner Signed-off-by: Arjan van de Ven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/mm.h | 1 + include/linux/rtmutex.h | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/mm.h b/include/linux/mm.h index 0ac255720f3..c41a1299b8c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1034,6 +1034,7 @@ static inline void debug_check_no_locks_freed(const void *from, unsigned long len) { mutex_debug_check_no_locks_freed(from, len); + rt_mutex_debug_check_no_locks_freed(from, len); } #ifndef CONFIG_DEBUG_PAGEALLOC diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 12309c916c6..fa4a3b82ba7 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -40,6 +40,19 @@ struct rt_mutex { struct rt_mutex_waiter; struct hrtimer_sleeper; +#ifdef CONFIG_DEBUG_RT_MUTEXES + extern int rt_mutex_debug_check_no_locks_freed(const void *from, + unsigned long len); + extern void rt_mutex_debug_check_no_locks_held(struct task_struct *task); +#else + static inline int rt_mutex_debug_check_no_locks_freed(const void *from, + unsigned long len) + { + return 0; + } +# define rt_mutex_debug_check_no_locks_held(task) do { } while (0) +#endif + #ifdef CONFIG_DEBUG_RT_MUTEXES # define __DEBUG_RT_MUTEX_INITIALIZER(mutexname) \ , .name = #mutexname, .file = __FILE__, .line = __LINE__ @@ -48,7 +61,7 @@ struct hrtimer_sleeper; #else # define __DEBUG_RT_MUTEX_INITIALIZER(mutexname) # define rt_mutex_init(mutex) __rt_mutex_init(mutex, NULL) -# define rt_mutex_debug_task_free(t) do { } while (0) +# define rt_mutex_debug_task_free(t) do { } while (0) #endif #define __RT_MUTEX_INITIALIZER(mutexname) \ -- cgit v1.2.3