diff options
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 6af474df17bb..320b369d20b5 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 | ||
| 509 | static int | 509 | static 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 | ||
| @@ -794,16 +794,16 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this) | |||
| 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 | spin_unlock(&pi_state->pi_mutex.wait_lock); |
| 809 | rt_mutex_unlock(&pi_state->pi_mutex); | 809 | rt_mutex_unlock(&pi_state->pi_mutex); |
| @@ -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 | /* |
