diff options
Diffstat (limited to 'kernel/locking/mutex-debug.c')
| -rw-r--r-- | kernel/locking/mutex-debug.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c index 771d4ca96dda..bc8abb8549d2 100644 --- a/kernel/locking/mutex-debug.c +++ b/kernel/locking/mutex-debug.c @@ -1,6 +1,4 @@ /* - * kernel/mutex-debug.c - * * Debugging code for mutexes * * Started by Ingo Molnar: @@ -22,7 +20,7 @@ #include <linux/interrupt.h> #include <linux/debug_locks.h> -#include "mutex-debug.h" +#include "mutex.h" /* * Must be called with lock->wait_lock held. @@ -32,6 +30,7 @@ void debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter) memset(waiter, MUTEX_DEBUG_INIT, sizeof(*waiter)); waiter->magic = waiter; INIT_LIST_HEAD(&waiter->list); + waiter->ww_ctx = MUTEX_POISON_WW_CTX; } void debug_mutex_wake_waiter(struct mutex *lock, struct mutex_waiter *waiter) @@ -57,7 +56,7 @@ void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, task->blocked_on = waiter; } -void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, +void debug_mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, struct task_struct *task) { DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list)); @@ -65,7 +64,7 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter); task->blocked_on = NULL; - list_del_init(&waiter->list); + INIT_LIST_HEAD(&waiter->list); waiter->task = NULL; } @@ -85,7 +84,7 @@ void debug_mutex_init(struct mutex *lock, const char *name, * Make sure we are not reinitializing a held lock: */ debug_check_no_locks_freed((void *)lock, sizeof(*lock)); - lockdep_init_map(&lock->dep_map, name, key, 0); + lockdep_init_map_wait(&lock->dep_map, name, key, 0, LD_WAIT_SLEEP); #endif lock->magic = lock; } |