diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-03-01 02:55:20 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-03-01 02:55:20 -0500 |
| commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
| tree | 3336feaa61324486945816cb52c347733e7c0821 /kernel/rtmutex.c | |
| parent | 197d4db752e67160d79fed09968c2140376a80a3 (diff) | |
| parent | 4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'kernel/rtmutex.c')
| -rw-r--r-- | kernel/rtmutex.c | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c index 29bd4baf9e75..a9604815786a 100644 --- a/kernel/rtmutex.c +++ b/kernel/rtmutex.c | |||
| @@ -138,9 +138,9 @@ static void rt_mutex_adjust_prio(struct task_struct *task) | |||
| 138 | { | 138 | { |
| 139 | unsigned long flags; | 139 | unsigned long flags; |
| 140 | 140 | ||
| 141 | spin_lock_irqsave(&task->pi_lock, flags); | 141 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 142 | __rt_mutex_adjust_prio(task); | 142 | __rt_mutex_adjust_prio(task); |
| 143 | spin_unlock_irqrestore(&task->pi_lock, flags); | 143 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 144 | } | 144 | } |
| 145 | 145 | ||
| 146 | /* | 146 | /* |
| @@ -195,7 +195,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 195 | /* | 195 | /* |
| 196 | * Task can not go away as we did a get_task() before ! | 196 | * Task can not go away as we did a get_task() before ! |
| 197 | */ | 197 | */ |
| 198 | spin_lock_irqsave(&task->pi_lock, flags); | 198 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 199 | 199 | ||
| 200 | waiter = task->pi_blocked_on; | 200 | waiter = task->pi_blocked_on; |
| 201 | /* | 201 | /* |
| @@ -231,8 +231,8 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 231 | goto out_unlock_pi; | 231 | goto out_unlock_pi; |
| 232 | 232 | ||
| 233 | lock = waiter->lock; | 233 | lock = waiter->lock; |
| 234 | if (!spin_trylock(&lock->wait_lock)) { | 234 | if (!raw_spin_trylock(&lock->wait_lock)) { |
| 235 | spin_unlock_irqrestore(&task->pi_lock, flags); | 235 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 236 | cpu_relax(); | 236 | cpu_relax(); |
| 237 | goto retry; | 237 | goto retry; |
| 238 | } | 238 | } |
| @@ -240,7 +240,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 240 | /* Deadlock detection */ | 240 | /* Deadlock detection */ |
| 241 | if (lock == orig_lock || rt_mutex_owner(lock) == top_task) { | 241 | if (lock == orig_lock || rt_mutex_owner(lock) == top_task) { |
| 242 | debug_rt_mutex_deadlock(deadlock_detect, orig_waiter, lock); | 242 | debug_rt_mutex_deadlock(deadlock_detect, orig_waiter, lock); |
| 243 | spin_unlock(&lock->wait_lock); | 243 | raw_spin_unlock(&lock->wait_lock); |
| 244 | ret = deadlock_detect ? -EDEADLK : 0; | 244 | ret = deadlock_detect ? -EDEADLK : 0; |
| 245 | goto out_unlock_pi; | 245 | goto out_unlock_pi; |
| 246 | } | 246 | } |
| @@ -253,13 +253,13 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 253 | plist_add(&waiter->list_entry, &lock->wait_list); | 253 | plist_add(&waiter->list_entry, &lock->wait_list); |
| 254 | 254 | ||
| 255 | /* Release the task */ | 255 | /* Release the task */ |
| 256 | spin_unlock_irqrestore(&task->pi_lock, flags); | 256 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 257 | put_task_struct(task); | 257 | put_task_struct(task); |
| 258 | 258 | ||
| 259 | /* Grab the next task */ | 259 | /* Grab the next task */ |
| 260 | task = rt_mutex_owner(lock); | 260 | task = rt_mutex_owner(lock); |
| 261 | get_task_struct(task); | 261 | get_task_struct(task); |
| 262 | spin_lock_irqsave(&task->pi_lock, flags); | 262 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 263 | 263 | ||
| 264 | if (waiter == rt_mutex_top_waiter(lock)) { | 264 | if (waiter == rt_mutex_top_waiter(lock)) { |
| 265 | /* Boost the owner */ | 265 | /* Boost the owner */ |
| @@ -277,10 +277,10 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 277 | __rt_mutex_adjust_prio(task); | 277 | __rt_mutex_adjust_prio(task); |
| 278 | } | 278 | } |
| 279 | 279 | ||
| 280 | spin_unlock_irqrestore(&task->pi_lock, flags); | 280 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 281 | 281 | ||
| 282 | top_waiter = rt_mutex_top_waiter(lock); | 282 | top_waiter = rt_mutex_top_waiter(lock); |
| 283 | spin_unlock(&lock->wait_lock); | 283 | raw_spin_unlock(&lock->wait_lock); |
| 284 | 284 | ||
| 285 | if (!detect_deadlock && waiter != top_waiter) | 285 | if (!detect_deadlock && waiter != top_waiter) |
| 286 | goto out_put_task; | 286 | goto out_put_task; |
| @@ -288,7 +288,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task, | |||
| 288 | goto again; | 288 | goto again; |
| 289 | 289 | ||
| 290 | out_unlock_pi: | 290 | out_unlock_pi: |
| 291 | spin_unlock_irqrestore(&task->pi_lock, flags); | 291 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 292 | out_put_task: | 292 | out_put_task: |
| 293 | put_task_struct(task); | 293 | put_task_struct(task); |
| 294 | 294 | ||
| @@ -313,9 +313,9 @@ static inline int try_to_steal_lock(struct rt_mutex *lock, | |||
| 313 | if (pendowner == task) | 313 | if (pendowner == task) |
| 314 | return 1; | 314 | return 1; |
| 315 | 315 | ||
| 316 | spin_lock_irqsave(&pendowner->pi_lock, flags); | 316 | raw_spin_lock_irqsave(&pendowner->pi_lock, flags); |
| 317 | if (task->prio >= pendowner->prio) { | 317 | if (task->prio >= pendowner->prio) { |
| 318 | spin_unlock_irqrestore(&pendowner->pi_lock, flags); | 318 | raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags); |
| 319 | return 0; | 319 | return 0; |
| 320 | } | 320 | } |
| 321 | 321 | ||
| @@ -325,7 +325,7 @@ static inline int try_to_steal_lock(struct rt_mutex *lock, | |||
| 325 | * priority. | 325 | * priority. |
| 326 | */ | 326 | */ |
| 327 | if (likely(!rt_mutex_has_waiters(lock))) { | 327 | if (likely(!rt_mutex_has_waiters(lock))) { |
| 328 | spin_unlock_irqrestore(&pendowner->pi_lock, flags); | 328 | raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags); |
| 329 | return 1; | 329 | return 1; |
| 330 | } | 330 | } |
| 331 | 331 | ||
| @@ -333,7 +333,7 @@ static inline int try_to_steal_lock(struct rt_mutex *lock, | |||
| 333 | next = rt_mutex_top_waiter(lock); | 333 | next = rt_mutex_top_waiter(lock); |
| 334 | plist_del(&next->pi_list_entry, &pendowner->pi_waiters); | 334 | plist_del(&next->pi_list_entry, &pendowner->pi_waiters); |
| 335 | __rt_mutex_adjust_prio(pendowner); | 335 | __rt_mutex_adjust_prio(pendowner); |
| 336 | spin_unlock_irqrestore(&pendowner->pi_lock, flags); | 336 | raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags); |
| 337 | 337 | ||
| 338 | /* | 338 | /* |
| 339 | * We are going to steal the lock and a waiter was | 339 | * We are going to steal the lock and a waiter was |
| @@ -350,10 +350,10 @@ static inline int try_to_steal_lock(struct rt_mutex *lock, | |||
| 350 | * might be task: | 350 | * might be task: |
| 351 | */ | 351 | */ |
| 352 | if (likely(next->task != task)) { | 352 | if (likely(next->task != task)) { |
| 353 | spin_lock_irqsave(&task->pi_lock, flags); | 353 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 354 | plist_add(&next->pi_list_entry, &task->pi_waiters); | 354 | plist_add(&next->pi_list_entry, &task->pi_waiters); |
| 355 | __rt_mutex_adjust_prio(task); | 355 | __rt_mutex_adjust_prio(task); |
| 356 | spin_unlock_irqrestore(&task->pi_lock, flags); | 356 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 357 | } | 357 | } |
| 358 | return 1; | 358 | return 1; |
| 359 | } | 359 | } |
| @@ -420,7 +420,7 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock, | |||
| 420 | unsigned long flags; | 420 | unsigned long flags; |
| 421 | int chain_walk = 0, res; | 421 | int chain_walk = 0, res; |
| 422 | 422 | ||
| 423 | spin_lock_irqsave(&task->pi_lock, flags); | 423 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 424 | __rt_mutex_adjust_prio(task); | 424 | __rt_mutex_adjust_prio(task); |
| 425 | waiter->task = task; | 425 | waiter->task = task; |
| 426 | waiter->lock = lock; | 426 | waiter->lock = lock; |
| @@ -434,17 +434,17 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock, | |||
| 434 | 434 | ||
| 435 | task->pi_blocked_on = waiter; | 435 | task->pi_blocked_on = waiter; |
| 436 | 436 | ||
| 437 | spin_unlock_irqrestore(&task->pi_lock, flags); | 437 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 438 | 438 | ||
| 439 | if (waiter == rt_mutex_top_waiter(lock)) { | 439 | if (waiter == rt_mutex_top_waiter(lock)) { |
| 440 | spin_lock_irqsave(&owner->pi_lock, flags); | 440 | raw_spin_lock_irqsave(&owner->pi_lock, flags); |
| 441 | plist_del(&top_waiter->pi_list_entry, &owner->pi_waiters); | 441 | plist_del(&top_waiter->pi_list_entry, &owner->pi_waiters); |
| 442 | plist_add(&waiter->pi_list_entry, &owner->pi_waiters); | 442 | plist_add(&waiter->pi_list_entry, &owner->pi_waiters); |
| 443 | 443 | ||
| 444 | __rt_mutex_adjust_prio(owner); | 444 | __rt_mutex_adjust_prio(owner); |
| 445 | if (owner->pi_blocked_on) | 445 | if (owner->pi_blocked_on) |
| 446 | chain_walk = 1; | 446 | chain_walk = 1; |
| 447 | spin_unlock_irqrestore(&owner->pi_lock, flags); | 447 | raw_spin_unlock_irqrestore(&owner->pi_lock, flags); |
| 448 | } | 448 | } |
| 449 | else if (debug_rt_mutex_detect_deadlock(waiter, detect_deadlock)) | 449 | else if (debug_rt_mutex_detect_deadlock(waiter, detect_deadlock)) |
| 450 | chain_walk = 1; | 450 | chain_walk = 1; |
| @@ -459,12 +459,12 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock, | |||
| 459 | */ | 459 | */ |
| 460 | get_task_struct(owner); | 460 | get_task_struct(owner); |
| 461 | 461 | ||
| 462 | spin_unlock(&lock->wait_lock); | 462 | raw_spin_unlock(&lock->wait_lock); |
| 463 | 463 | ||
| 464 | res = rt_mutex_adjust_prio_chain(owner, detect_deadlock, lock, waiter, | 464 | res = rt_mutex_adjust_prio_chain(owner, detect_deadlock, lock, waiter, |
| 465 | task); | 465 | task); |
| 466 | 466 | ||
| 467 | spin_lock(&lock->wait_lock); | 467 | raw_spin_lock(&lock->wait_lock); |
| 468 | 468 | ||
| 469 | return res; | 469 | return res; |
| 470 | } | 470 | } |
| @@ -483,7 +483,7 @@ static void wakeup_next_waiter(struct rt_mutex *lock) | |||
| 483 | struct task_struct *pendowner; | 483 | struct task_struct *pendowner; |
| 484 | unsigned long flags; | 484 | unsigned long flags; |
| 485 | 485 | ||
| 486 | spin_lock_irqsave(¤t->pi_lock, flags); | 486 | raw_spin_lock_irqsave(¤t->pi_lock, flags); |
| 487 | 487 | ||
| 488 | waiter = rt_mutex_top_waiter(lock); | 488 | waiter = rt_mutex_top_waiter(lock); |
| 489 | plist_del(&waiter->list_entry, &lock->wait_list); | 489 | plist_del(&waiter->list_entry, &lock->wait_list); |
| @@ -500,7 +500,7 @@ static void wakeup_next_waiter(struct rt_mutex *lock) | |||
| 500 | 500 | ||
| 501 | rt_mutex_set_owner(lock, pendowner, RT_MUTEX_OWNER_PENDING); | 501 | rt_mutex_set_owner(lock, pendowner, RT_MUTEX_OWNER_PENDING); |
| 502 | 502 | ||
| 503 | spin_unlock_irqrestore(¤t->pi_lock, flags); | 503 | raw_spin_unlock_irqrestore(¤t->pi_lock, flags); |
| 504 | 504 | ||
| 505 | /* | 505 | /* |
| 506 | * Clear the pi_blocked_on variable and enqueue a possible | 506 | * Clear the pi_blocked_on variable and enqueue a possible |
| @@ -509,7 +509,7 @@ static void wakeup_next_waiter(struct rt_mutex *lock) | |||
| 509 | * waiter with higher priority than pending-owner->normal_prio | 509 | * waiter with higher priority than pending-owner->normal_prio |
| 510 | * is blocked on the unboosted (pending) owner. | 510 | * is blocked on the unboosted (pending) owner. |
| 511 | */ | 511 | */ |
| 512 | spin_lock_irqsave(&pendowner->pi_lock, flags); | 512 | raw_spin_lock_irqsave(&pendowner->pi_lock, flags); |
| 513 | 513 | ||
| 514 | WARN_ON(!pendowner->pi_blocked_on); | 514 | WARN_ON(!pendowner->pi_blocked_on); |
| 515 | WARN_ON(pendowner->pi_blocked_on != waiter); | 515 | WARN_ON(pendowner->pi_blocked_on != waiter); |
| @@ -523,7 +523,7 @@ static void wakeup_next_waiter(struct rt_mutex *lock) | |||
| 523 | next = rt_mutex_top_waiter(lock); | 523 | next = rt_mutex_top_waiter(lock); |
| 524 | plist_add(&next->pi_list_entry, &pendowner->pi_waiters); | 524 | plist_add(&next->pi_list_entry, &pendowner->pi_waiters); |
| 525 | } | 525 | } |
| 526 | spin_unlock_irqrestore(&pendowner->pi_lock, flags); | 526 | raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags); |
| 527 | 527 | ||
| 528 | wake_up_process(pendowner); | 528 | wake_up_process(pendowner); |
| 529 | } | 529 | } |
| @@ -541,15 +541,15 @@ static void remove_waiter(struct rt_mutex *lock, | |||
| 541 | unsigned long flags; | 541 | unsigned long flags; |
| 542 | int chain_walk = 0; | 542 | int chain_walk = 0; |
| 543 | 543 | ||
| 544 | spin_lock_irqsave(¤t->pi_lock, flags); | 544 | raw_spin_lock_irqsave(¤t->pi_lock, flags); |
| 545 | plist_del(&waiter->list_entry, &lock->wait_list); | 545 | plist_del(&waiter->list_entry, &lock->wait_list); |
| 546 | waiter->task = NULL; | 546 | waiter->task = NULL; |
| 547 | current->pi_blocked_on = NULL; | 547 | current->pi_blocked_on = NULL; |
| 548 | spin_unlock_irqrestore(¤t->pi_lock, flags); | 548 | raw_spin_unlock_irqrestore(¤t->pi_lock, flags); |
| 549 | 549 | ||
| 550 | if (first && owner != current) { | 550 | if (first && owner != current) { |
| 551 | 551 | ||
| 552 | spin_lock_irqsave(&owner->pi_lock, flags); | 552 | raw_spin_lock_irqsave(&owner->pi_lock, flags); |
| 553 | 553 | ||
| 554 | plist_del(&waiter->pi_list_entry, &owner->pi_waiters); | 554 | plist_del(&waiter->pi_list_entry, &owner->pi_waiters); |
| 555 | 555 | ||
| @@ -564,7 +564,7 @@ static void remove_waiter(struct rt_mutex *lock, | |||
| 564 | if (owner->pi_blocked_on) | 564 | if (owner->pi_blocked_on) |
| 565 | chain_walk = 1; | 565 | chain_walk = 1; |
| 566 | 566 | ||
| 567 | spin_unlock_irqrestore(&owner->pi_lock, flags); | 567 | raw_spin_unlock_irqrestore(&owner->pi_lock, flags); |
| 568 | } | 568 | } |
| 569 | 569 | ||
| 570 | WARN_ON(!plist_node_empty(&waiter->pi_list_entry)); | 570 | WARN_ON(!plist_node_empty(&waiter->pi_list_entry)); |
| @@ -575,11 +575,11 @@ static void remove_waiter(struct rt_mutex *lock, | |||
| 575 | /* gets dropped in rt_mutex_adjust_prio_chain()! */ | 575 | /* gets dropped in rt_mutex_adjust_prio_chain()! */ |
| 576 | get_task_struct(owner); | 576 | get_task_struct(owner); |
| 577 | 577 | ||
| 578 | spin_unlock(&lock->wait_lock); | 578 | raw_spin_unlock(&lock->wait_lock); |
| 579 | 579 | ||
| 580 | rt_mutex_adjust_prio_chain(owner, 0, lock, NULL, current); | 580 | rt_mutex_adjust_prio_chain(owner, 0, lock, NULL, current); |
| 581 | 581 | ||
| 582 | spin_lock(&lock->wait_lock); | 582 | raw_spin_lock(&lock->wait_lock); |
| 583 | } | 583 | } |
| 584 | 584 | ||
| 585 | /* | 585 | /* |
| @@ -592,15 +592,15 @@ void rt_mutex_adjust_pi(struct task_struct *task) | |||
| 592 | struct rt_mutex_waiter *waiter; | 592 | struct rt_mutex_waiter *waiter; |
| 593 | unsigned long flags; | 593 | unsigned long flags; |
| 594 | 594 | ||
| 595 | spin_lock_irqsave(&task->pi_lock, flags); | 595 | raw_spin_lock_irqsave(&task->pi_lock, flags); |
| 596 | 596 | ||
| 597 | waiter = task->pi_blocked_on; | 597 | waiter = task->pi_blocked_on; |
| 598 | if (!waiter || waiter->list_entry.prio == task->prio) { | 598 | if (!waiter || waiter->list_entry.prio == task->prio) { |
| 599 | spin_unlock_irqrestore(&task->pi_lock, flags); | 599 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 600 | return; | 600 | return; |
| 601 | } | 601 | } |
| 602 | 602 | ||
| 603 | spin_unlock_irqrestore(&task->pi_lock, flags); | 603 | raw_spin_unlock_irqrestore(&task->pi_lock, flags); |
| 604 | 604 | ||
| 605 | /* gets dropped in rt_mutex_adjust_prio_chain()! */ | 605 | /* gets dropped in rt_mutex_adjust_prio_chain()! */ |
| 606 | get_task_struct(task); | 606 | get_task_struct(task); |
| @@ -672,14 +672,14 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state, | |||
| 672 | break; | 672 | break; |
| 673 | } | 673 | } |
| 674 | 674 | ||
| 675 | spin_unlock(&lock->wait_lock); | 675 | raw_spin_unlock(&lock->wait_lock); |
| 676 | 676 | ||
| 677 | debug_rt_mutex_print_deadlock(waiter); | 677 | debug_rt_mutex_print_deadlock(waiter); |
| 678 | 678 | ||
| 679 | if (waiter->task) | 679 | if (waiter->task) |
| 680 | schedule_rt_mutex(lock); | 680 | schedule_rt_mutex(lock); |
| 681 | 681 | ||
| 682 | spin_lock(&lock->wait_lock); | 682 | raw_spin_lock(&lock->wait_lock); |
| 683 | set_current_state(state); | 683 | set_current_state(state); |
| 684 | } | 684 | } |
| 685 | 685 | ||
| @@ -700,11 +700,11 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state, | |||
| 700 | debug_rt_mutex_init_waiter(&waiter); | 700 | debug_rt_mutex_init_waiter(&waiter); |
| 701 | waiter.task = NULL; | 701 | waiter.task = NULL; |
| 702 | 702 | ||
| 703 | spin_lock(&lock->wait_lock); | 703 | raw_spin_lock(&lock->wait_lock); |
| 704 | 704 | ||
| 705 | /* Try to acquire the lock again: */ | 705 | /* Try to acquire the lock again: */ |
| 706 | if (try_to_take_rt_mutex(lock)) { | 706 | if (try_to_take_rt_mutex(lock)) { |
| 707 | spin_unlock(&lock->wait_lock); | 707 | raw_spin_unlock(&lock->wait_lock); |
| 708 | return 0; | 708 | return 0; |
| 709 | } | 709 | } |
| 710 | 710 | ||
| @@ -731,7 +731,7 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state, | |||
| 731 | */ | 731 | */ |
| 732 | fixup_rt_mutex_waiters(lock); | 732 | fixup_rt_mutex_waiters(lock); |
| 733 | 733 | ||
| 734 | spin_unlock(&lock->wait_lock); | 734 | raw_spin_unlock(&lock->wait_lock); |
| 735 | 735 | ||
| 736 | /* Remove pending timer: */ | 736 | /* Remove pending timer: */ |
| 737 | if (unlikely(timeout)) | 737 | if (unlikely(timeout)) |
| @@ -758,7 +758,7 @@ rt_mutex_slowtrylock(struct rt_mutex *lock) | |||
| 758 | { | 758 | { |
| 759 | int ret = 0; | 759 | int ret = 0; |
| 760 | 760 | ||
| 761 | spin_lock(&lock->wait_lock); | 761 | raw_spin_lock(&lock->wait_lock); |
| 762 | 762 | ||
| 763 | if (likely(rt_mutex_owner(lock) != current)) { | 763 | if (likely(rt_mutex_owner(lock) != current)) { |
| 764 | 764 | ||
| @@ -770,7 +770,7 @@ rt_mutex_slowtrylock(struct rt_mutex *lock) | |||
| 770 | fixup_rt_mutex_waiters(lock); | 770 | fixup_rt_mutex_waiters(lock); |
| 771 | } | 771 | } |
| 772 | 772 | ||
| 773 | spin_unlock(&lock->wait_lock); | 773 | raw_spin_unlock(&lock->wait_lock); |
| 774 | 774 | ||
| 775 | return ret; | 775 | return ret; |
| 776 | } | 776 | } |
| @@ -781,7 +781,7 @@ rt_mutex_slowtrylock(struct rt_mutex *lock) | |||
| 781 | static void __sched | 781 | static void __sched |
| 782 | rt_mutex_slowunlock(struct rt_mutex *lock) | 782 | rt_mutex_slowunlock(struct rt_mutex *lock) |
| 783 | { | 783 | { |
| 784 | spin_lock(&lock->wait_lock); | 784 | raw_spin_lock(&lock->wait_lock); |
| 785 | 785 | ||
| 786 | debug_rt_mutex_unlock(lock); | 786 | debug_rt_mutex_unlock(lock); |
| 787 | 787 | ||
| @@ -789,13 +789,13 @@ rt_mutex_slowunlock(struct rt_mutex *lock) | |||
| 789 | 789 | ||
| 790 | if (!rt_mutex_has_waiters(lock)) { | 790 | if (!rt_mutex_has_waiters(lock)) { |
| 791 | lock->owner = NULL; | 791 | lock->owner = NULL; |
| 792 | spin_unlock(&lock->wait_lock); | 792 | raw_spin_unlock(&lock->wait_lock); |
| 793 | return; | 793 | return; |
| 794 | } | 794 | } |
| 795 | 795 | ||
| 796 | wakeup_next_waiter(lock); | 796 | wakeup_next_waiter(lock); |
| 797 | 797 | ||
| 798 | spin_unlock(&lock->wait_lock); | 798 | raw_spin_unlock(&lock->wait_lock); |
| 799 | 799 | ||
| 800 | /* Undo pi boosting if necessary: */ | 800 | /* Undo pi boosting if necessary: */ |
| 801 | rt_mutex_adjust_prio(current); | 801 | rt_mutex_adjust_prio(current); |
| @@ -970,8 +970,8 @@ EXPORT_SYMBOL_GPL(rt_mutex_destroy); | |||
| 970 | void __rt_mutex_init(struct rt_mutex *lock, const char *name) | 970 | void __rt_mutex_init(struct rt_mutex *lock, const char *name) |
| 971 | { | 971 | { |
| 972 | lock->owner = NULL; | 972 | lock->owner = NULL; |
| 973 | spin_lock_init(&lock->wait_lock); | 973 | raw_spin_lock_init(&lock->wait_lock); |
| 974 | plist_head_init(&lock->wait_list, &lock->wait_lock); | 974 | plist_head_init_raw(&lock->wait_list, &lock->wait_lock); |
| 975 | 975 | ||
| 976 | debug_rt_mutex_init(lock, name); | 976 | debug_rt_mutex_init(lock, name); |
| 977 | } | 977 | } |
| @@ -1032,7 +1032,7 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock, | |||
| 1032 | { | 1032 | { |
| 1033 | int ret; | 1033 | int ret; |
| 1034 | 1034 | ||
| 1035 | spin_lock(&lock->wait_lock); | 1035 | raw_spin_lock(&lock->wait_lock); |
| 1036 | 1036 | ||
| 1037 | mark_rt_mutex_waiters(lock); | 1037 | mark_rt_mutex_waiters(lock); |
| 1038 | 1038 | ||
| @@ -1040,7 +1040,7 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock, | |||
| 1040 | /* We got the lock for task. */ | 1040 | /* We got the lock for task. */ |
| 1041 | debug_rt_mutex_lock(lock); | 1041 | debug_rt_mutex_lock(lock); |
| 1042 | rt_mutex_set_owner(lock, task, 0); | 1042 | rt_mutex_set_owner(lock, task, 0); |
| 1043 | spin_unlock(&lock->wait_lock); | 1043 | raw_spin_unlock(&lock->wait_lock); |
| 1044 | rt_mutex_deadlock_account_lock(lock, task); | 1044 | rt_mutex_deadlock_account_lock(lock, task); |
| 1045 | return 1; | 1045 | return 1; |
| 1046 | } | 1046 | } |
| @@ -1056,7 +1056,7 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock, | |||
| 1056 | */ | 1056 | */ |
| 1057 | ret = 0; | 1057 | ret = 0; |
| 1058 | } | 1058 | } |
| 1059 | spin_unlock(&lock->wait_lock); | 1059 | raw_spin_unlock(&lock->wait_lock); |
| 1060 | 1060 | ||
| 1061 | debug_rt_mutex_print_deadlock(waiter); | 1061 | debug_rt_mutex_print_deadlock(waiter); |
| 1062 | 1062 | ||
| @@ -1106,7 +1106,7 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, | |||
| 1106 | { | 1106 | { |
| 1107 | int ret; | 1107 | int ret; |
| 1108 | 1108 | ||
| 1109 | spin_lock(&lock->wait_lock); | 1109 | raw_spin_lock(&lock->wait_lock); |
| 1110 | 1110 | ||
| 1111 | set_current_state(TASK_INTERRUPTIBLE); | 1111 | set_current_state(TASK_INTERRUPTIBLE); |
| 1112 | 1112 | ||
| @@ -1124,7 +1124,7 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, | |||
| 1124 | */ | 1124 | */ |
| 1125 | fixup_rt_mutex_waiters(lock); | 1125 | fixup_rt_mutex_waiters(lock); |
| 1126 | 1126 | ||
| 1127 | spin_unlock(&lock->wait_lock); | 1127 | raw_spin_unlock(&lock->wait_lock); |
| 1128 | 1128 | ||
| 1129 | /* | 1129 | /* |
| 1130 | * Readjust priority, when we did not get the lock. We might have been | 1130 | * Readjust priority, when we did not get the lock. We might have been |
