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-rw-r--r--kernel/futex.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index d73ef1f3e55d..8e3c3ffe1b9a 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -403,9 +403,9 @@ static void free_pi_state(struct futex_pi_state *pi_state)
403 * and has cleaned up the pi_state already 403 * and has cleaned up the pi_state already
404 */ 404 */
405 if (pi_state->owner) { 405 if (pi_state->owner) {
406 spin_lock_irq(&pi_state->owner->pi_lock); 406 raw_spin_lock_irq(&pi_state->owner->pi_lock);
407 list_del_init(&pi_state->list); 407 list_del_init(&pi_state->list);
408 spin_unlock_irq(&pi_state->owner->pi_lock); 408 raw_spin_unlock_irq(&pi_state->owner->pi_lock);
409 409
410 rt_mutex_proxy_unlock(&pi_state->pi_mutex, pi_state->owner); 410 rt_mutex_proxy_unlock(&pi_state->pi_mutex, pi_state->owner);
411 } 411 }
@@ -470,18 +470,18 @@ void exit_pi_state_list(struct task_struct *curr)
470 * pi_state_list anymore, but we have to be careful 470 * pi_state_list anymore, but we have to be careful
471 * versus waiters unqueueing themselves: 471 * versus waiters unqueueing themselves:
472 */ 472 */
473 spin_lock_irq(&curr->pi_lock); 473 raw_spin_lock_irq(&curr->pi_lock);
474 while (!list_empty(head)) { 474 while (!list_empty(head)) {
475 475
476 next = head->next; 476 next = head->next;
477 pi_state = list_entry(next, struct futex_pi_state, list); 477 pi_state = list_entry(next, struct futex_pi_state, list);
478 key = pi_state->key; 478 key = pi_state->key;
479 hb = hash_futex(&key); 479 hb = hash_futex(&key);
480 spin_unlock_irq(&curr->pi_lock); 480 raw_spin_unlock_irq(&curr->pi_lock);
481 481
482 spin_lock(&hb->lock); 482 spin_lock(&hb->lock);
483 483
484 spin_lock_irq(&curr->pi_lock); 484 raw_spin_lock_irq(&curr->pi_lock);
485 /* 485 /*
486 * We dropped the pi-lock, so re-check whether this 486 * We dropped the pi-lock, so re-check whether this
487 * task still owns the PI-state: 487 * task still owns the PI-state:
@@ -495,15 +495,15 @@ void exit_pi_state_list(struct task_struct *curr)
495 WARN_ON(list_empty(&pi_state->list)); 495 WARN_ON(list_empty(&pi_state->list));
496 list_del_init(&pi_state->list); 496 list_del_init(&pi_state->list);
497 pi_state->owner = NULL; 497 pi_state->owner = NULL;
498 spin_unlock_irq(&curr->pi_lock); 498 raw_spin_unlock_irq(&curr->pi_lock);
499 499
500 rt_mutex_unlock(&pi_state->pi_mutex); 500 rt_mutex_unlock(&pi_state->pi_mutex);
501 501
502 spin_unlock(&hb->lock); 502 spin_unlock(&hb->lock);
503 503
504 spin_lock_irq(&curr->pi_lock); 504 raw_spin_lock_irq(&curr->pi_lock);
505 } 505 }
506 spin_unlock_irq(&curr->pi_lock); 506 raw_spin_unlock_irq(&curr->pi_lock);
507} 507}
508 508
509static int 509static int
@@ -558,7 +558,7 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
558 * change of the task flags, we do this protected by 558 * change of the task flags, we do this protected by
559 * p->pi_lock: 559 * p->pi_lock:
560 */ 560 */
561 spin_lock_irq(&p->pi_lock); 561 raw_spin_lock_irq(&p->pi_lock);
562 if (unlikely(p->flags & PF_EXITING)) { 562 if (unlikely(p->flags & PF_EXITING)) {
563 /* 563 /*
564 * The task is on the way out. When PF_EXITPIDONE is 564 * The task is on the way out. When PF_EXITPIDONE is
@@ -567,7 +567,7 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
567 */ 567 */
568 int ret = (p->flags & PF_EXITPIDONE) ? -ESRCH : -EAGAIN; 568 int ret = (p->flags & PF_EXITPIDONE) ? -ESRCH : -EAGAIN;
569 569
570 spin_unlock_irq(&p->pi_lock); 570 raw_spin_unlock_irq(&p->pi_lock);
571 put_task_struct(p); 571 put_task_struct(p);
572 return ret; 572 return ret;
573 } 573 }
@@ -586,7 +586,7 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
586 WARN_ON(!list_empty(&pi_state->list)); 586 WARN_ON(!list_empty(&pi_state->list));
587 list_add(&pi_state->list, &p->pi_state_list); 587 list_add(&pi_state->list, &p->pi_state_list);
588 pi_state->owner = p; 588 pi_state->owner = p;
589 spin_unlock_irq(&p->pi_lock); 589 raw_spin_unlock_irq(&p->pi_lock);
590 590
591 put_task_struct(p); 591 put_task_struct(p);
592 592
@@ -760,7 +760,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
760 if (!pi_state) 760 if (!pi_state)
761 return -EINVAL; 761 return -EINVAL;
762 762
763 spin_lock(&pi_state->pi_mutex.wait_lock); 763 raw_spin_lock(&pi_state->pi_mutex.wait_lock);
764 new_owner = rt_mutex_next_owner(&pi_state->pi_mutex); 764 new_owner = rt_mutex_next_owner(&pi_state->pi_mutex);
765 765
766 /* 766 /*
@@ -789,23 +789,23 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
789 else if (curval != uval) 789 else if (curval != uval)
790 ret = -EINVAL; 790 ret = -EINVAL;
791 if (ret) { 791 if (ret) {
792 spin_unlock(&pi_state->pi_mutex.wait_lock); 792 raw_spin_unlock(&pi_state->pi_mutex.wait_lock);
793 return ret; 793 return ret;
794 } 794 }
795 } 795 }
796 796
797 spin_lock_irq(&pi_state->owner->pi_lock); 797 raw_spin_lock_irq(&pi_state->owner->pi_lock);
798 WARN_ON(list_empty(&pi_state->list)); 798 WARN_ON(list_empty(&pi_state->list));
799 list_del_init(&pi_state->list); 799 list_del_init(&pi_state->list);
800 spin_unlock_irq(&pi_state->owner->pi_lock); 800 raw_spin_unlock_irq(&pi_state->owner->pi_lock);
801 801
802 spin_lock_irq(&new_owner->pi_lock); 802 raw_spin_lock_irq(&new_owner->pi_lock);
803 WARN_ON(!list_empty(&pi_state->list)); 803 WARN_ON(!list_empty(&pi_state->list));
804 list_add(&pi_state->list, &new_owner->pi_state_list); 804 list_add(&pi_state->list, &new_owner->pi_state_list);
805 pi_state->owner = new_owner; 805 pi_state->owner = new_owner;
806 spin_unlock_irq(&new_owner->pi_lock); 806 raw_spin_unlock_irq(&new_owner->pi_lock);
807 807
808 spin_unlock(&pi_state->pi_mutex.wait_lock); 808 raw_spin_unlock(&pi_state->pi_mutex.wait_lock);
809 rt_mutex_unlock(&pi_state->pi_mutex); 809 rt_mutex_unlock(&pi_state->pi_mutex);
810 810
811 return 0; 811 return 0;
@@ -1010,7 +1010,7 @@ void requeue_futex(struct futex_q *q, struct futex_hash_bucket *hb1,
1010 plist_add(&q->list, &hb2->chain); 1010 plist_add(&q->list, &hb2->chain);
1011 q->lock_ptr = &hb2->lock; 1011 q->lock_ptr = &hb2->lock;
1012#ifdef CONFIG_DEBUG_PI_LIST 1012#ifdef CONFIG_DEBUG_PI_LIST
1013 q->list.plist.lock = &hb2->lock; 1013 q->list.plist.spinlock = &hb2->lock;
1014#endif 1014#endif
1015 } 1015 }
1016 get_futex_key_refs(key2); 1016 get_futex_key_refs(key2);
@@ -1046,7 +1046,7 @@ void requeue_pi_wake_futex(struct futex_q *q, union futex_key *key,
1046 1046
1047 q->lock_ptr = &hb->lock; 1047 q->lock_ptr = &hb->lock;
1048#ifdef CONFIG_DEBUG_PI_LIST 1048#ifdef CONFIG_DEBUG_PI_LIST
1049 q->list.plist.lock = &hb->lock; 1049 q->list.plist.spinlock = &hb->lock;
1050#endif 1050#endif
1051 1051
1052 wake_up_state(q->task, TASK_NORMAL); 1052 wake_up_state(q->task, TASK_NORMAL);
@@ -1394,7 +1394,7 @@ static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)
1394 1394
1395 plist_node_init(&q->list, prio); 1395 plist_node_init(&q->list, prio);
1396#ifdef CONFIG_DEBUG_PI_LIST 1396#ifdef CONFIG_DEBUG_PI_LIST
1397 q->list.plist.lock = &hb->lock; 1397 q->list.plist.spinlock = &hb->lock;
1398#endif 1398#endif
1399 plist_add(&q->list, &hb->chain); 1399 plist_add(&q->list, &hb->chain);
1400 q->task = current; 1400 q->task = current;
@@ -1529,18 +1529,18 @@ retry:
1529 * itself. 1529 * itself.
1530 */ 1530 */
1531 if (pi_state->owner != NULL) { 1531 if (pi_state->owner != NULL) {
1532 spin_lock_irq(&pi_state->owner->pi_lock); 1532 raw_spin_lock_irq(&pi_state->owner->pi_lock);
1533 WARN_ON(list_empty(&pi_state->list)); 1533 WARN_ON(list_empty(&pi_state->list));
1534 list_del_init(&pi_state->list); 1534 list_del_init(&pi_state->list);
1535 spin_unlock_irq(&pi_state->owner->pi_lock); 1535 raw_spin_unlock_irq(&pi_state->owner->pi_lock);
1536 } 1536 }
1537 1537
1538 pi_state->owner = newowner; 1538 pi_state->owner = newowner;
1539 1539
1540 spin_lock_irq(&newowner->pi_lock); 1540 raw_spin_lock_irq(&newowner->pi_lock);
1541 WARN_ON(!list_empty(&pi_state->list)); 1541 WARN_ON(!list_empty(&pi_state->list));
1542 list_add(&pi_state->list, &newowner->pi_state_list); 1542 list_add(&pi_state->list, &newowner->pi_state_list);
1543 spin_unlock_irq(&newowner->pi_lock); 1543 raw_spin_unlock_irq(&newowner->pi_lock);
1544 return 0; 1544 return 0;
1545 1545
1546 /* 1546 /*