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| author | Michal Marek <mmarek@suse.cz> | 2014-01-02 14:02:06 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2014-01-02 14:02:06 +0100 |
| commit | 37e2c2a775fc887acd1432908478dfd532f7f00f (patch) | |
| tree | e51ebc699d8e262fd47e0913be6a711cb1a7b565 /kernel/locking/rtmutex-debug.h | |
| parent | deb-pkg: Inhibit initramfs builders if CONFIG_BLK_DEV_INITRD is not set (diff) | |
| parent | Linux 3.13-rc1 (diff) | |
| download | linux-37e2c2a775fc887acd1432908478dfd532f7f00f.tar.xz linux-37e2c2a775fc887acd1432908478dfd532f7f00f.zip | |
Merge commit v3.13-rc1 into kbuild/misc
Diffstat (limited to 'kernel/locking/rtmutex-debug.h')
| -rw-r--r-- | kernel/locking/rtmutex-debug.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/locking/rtmutex-debug.h b/kernel/locking/rtmutex-debug.h new file mode 100644 index 000000000000..14193d596d78 --- /dev/null +++ b/kernel/locking/rtmutex-debug.h @@ -0,0 +1,33 @@ +/* + * 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. + */ + +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); +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); +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); +} |