diff options
Diffstat (limited to 'kernel/mutex-debug.h')
| -rw-r--r-- | kernel/mutex-debug.h | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/kernel/mutex-debug.h b/kernel/mutex-debug.h index fd384050acb1..a5196c36a5fd 100644 --- a/kernel/mutex-debug.h +++ b/kernel/mutex-debug.h | |||
| @@ -46,21 +46,6 @@ extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, | |||
| 46 | extern void debug_mutex_unlock(struct mutex *lock); | 46 | extern void debug_mutex_unlock(struct mutex *lock); |
| 47 | extern void debug_mutex_init(struct mutex *lock, const char *name); | 47 | extern void debug_mutex_init(struct mutex *lock, const char *name); |
| 48 | 48 | ||
| 49 | #define debug_spin_lock(lock) \ | ||
| 50 | do { \ | ||
| 51 | local_irq_disable(); \ | ||
| 52 | if (debug_mutex_on) \ | ||
| 53 | spin_lock(lock); \ | ||
| 54 | } while (0) | ||
| 55 | |||
| 56 | #define debug_spin_unlock(lock) \ | ||
| 57 | do { \ | ||
| 58 | if (debug_mutex_on) \ | ||
| 59 | spin_unlock(lock); \ | ||
| 60 | local_irq_enable(); \ | ||
| 61 | preempt_check_resched(); \ | ||
| 62 | } while (0) | ||
| 63 | |||
| 64 | #define debug_spin_lock_save(lock, flags) \ | 49 | #define debug_spin_lock_save(lock, flags) \ |
| 65 | do { \ | 50 | do { \ |
| 66 | local_irq_save(flags); \ | 51 | local_irq_save(flags); \ |
| @@ -68,7 +53,7 @@ extern void debug_mutex_init(struct mutex *lock, const char *name); | |||
| 68 | spin_lock(lock); \ | 53 | spin_lock(lock); \ |
| 69 | } while (0) | 54 | } while (0) |
| 70 | 55 | ||
| 71 | #define debug_spin_lock_restore(lock, flags) \ | 56 | #define debug_spin_unlock_restore(lock, flags) \ |
| 72 | do { \ | 57 | do { \ |
| 73 | if (debug_mutex_on) \ | 58 | if (debug_mutex_on) \ |
| 74 | spin_unlock(lock); \ | 59 | spin_unlock(lock); \ |
| @@ -76,20 +61,20 @@ extern void debug_mutex_init(struct mutex *lock, const char *name); | |||
| 76 | preempt_check_resched(); \ | 61 | preempt_check_resched(); \ |
| 77 | } while (0) | 62 | } while (0) |
| 78 | 63 | ||
| 79 | #define spin_lock_mutex(lock) \ | 64 | #define spin_lock_mutex(lock, flags) \ |
| 80 | do { \ | 65 | do { \ |
| 81 | struct mutex *l = container_of(lock, struct mutex, wait_lock); \ | 66 | struct mutex *l = container_of(lock, struct mutex, wait_lock); \ |
| 82 | \ | 67 | \ |
| 83 | DEBUG_WARN_ON(in_interrupt()); \ | 68 | DEBUG_WARN_ON(in_interrupt()); \ |
| 84 | debug_spin_lock(&debug_mutex_lock); \ | 69 | debug_spin_lock_save(&debug_mutex_lock, flags); \ |
| 85 | spin_lock(lock); \ | 70 | spin_lock(lock); \ |
| 86 | DEBUG_WARN_ON(l->magic != l); \ | 71 | DEBUG_WARN_ON(l->magic != l); \ |
| 87 | } while (0) | 72 | } while (0) |
| 88 | 73 | ||
| 89 | #define spin_unlock_mutex(lock) \ | 74 | #define spin_unlock_mutex(lock, flags) \ |
| 90 | do { \ | 75 | do { \ |
| 91 | spin_unlock(lock); \ | 76 | spin_unlock(lock); \ |
| 92 | debug_spin_unlock(&debug_mutex_lock); \ | 77 | debug_spin_unlock_restore(&debug_mutex_lock, flags); \ |
| 93 | } while (0) | 78 | } while (0) |
| 94 | 79 | ||
| 95 | #define DEBUG_OFF() \ | 80 | #define DEBUG_OFF() \ |
