diff options
| author | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
| commit | d120cfb544ed6161b9d32fb6c4648c471807ee6b (patch) | |
| tree | 7757ad0198d8df76ff5c60f939a687687c41da00 /kernel/rtmutex-debug.h | |
| parent | 9dce0e950dbfab4148f35ac6f297d8638cdc63c4 (diff) | |
| parent | bf7e8511088963078484132636839b59e25cf14f (diff) | |
merge linus into release branch
Conflicts:
drivers/acpi/acpi_memhotplug.c
Diffstat (limited to 'kernel/rtmutex-debug.h')
| -rw-r--r-- | kernel/rtmutex-debug.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kernel/rtmutex-debug.h b/kernel/rtmutex-debug.h new file mode 100644 index 00000000000..7612fbc62d7 --- /dev/null +++ b/kernel/rtmutex-debug.h @@ -0,0 +1,37 @@ +/* + * RT-Mutexes: blocking mutual exclusion locks with PI support + * + * started by Ingo Molnar and Thomas Gleixner: + * + * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> + * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com> + * + * This file contains macros used solely by rtmutex.c. Debug version. + */ + +#define __IP_DECL__ , unsigned long ip +#define __IP__ , ip +#define __RET_IP__ , (unsigned long)__builtin_return_address(0) + +extern void +rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task); +extern void rt_mutex_deadlock_account_unlock(struct task_struct *task); +extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); +extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); +extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name); +extern void debug_rt_mutex_lock(struct rt_mutex *lock __IP_DECL__); +extern void debug_rt_mutex_unlock(struct rt_mutex *lock); +extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, + struct task_struct *powner __IP_DECL__); +extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); +extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter, + struct rt_mutex *lock); +extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); +# define debug_rt_mutex_reset_waiter(w) \ + do { (w)->deadlock_lock = NULL; } while (0) + +static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, + int detect) +{ + return (waiter != NULL); +} |