| exmutex.c (193529) | exmutex.c (200553) |
|---|---|
| 1 2/****************************************************************************** 3 * 4 * Module Name: exmutex - ASL Mutex Acquire/Release functions 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** --- 476 unchanged lines hidden (view full) --- 485 486 if (!ObjDesc->Mutex.OwnerThread) 487 { 488 ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], not acquired", 489 AcpiUtGetNodeName (ObjDesc->Mutex.Node))); 490 return_ACPI_STATUS (AE_AML_MUTEX_NOT_ACQUIRED); 491 } 492 | 1 2/****************************************************************************** 3 * 4 * Module Name: exmutex - ASL Mutex Acquire/Release functions 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** --- 476 unchanged lines hidden (view full) --- 485 486 if (!ObjDesc->Mutex.OwnerThread) 487 { 488 ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], not acquired", 489 AcpiUtGetNodeName (ObjDesc->Mutex.Node))); 490 return_ACPI_STATUS (AE_AML_MUTEX_NOT_ACQUIRED); 491 } 492 |
| 493 /* Must have a valid thread ID */ 494 495 if (!WalkState->Thread) 496 { 497 ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], null thread info", 498 AcpiUtGetNodeName (ObjDesc->Mutex.Node))); 499 return_ACPI_STATUS (AE_AML_INTERNAL); 500 } 501 |
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| 493 /* 494 * The Mutex is owned, but this thread must be the owner. 495 * Special case for Global Lock, any thread can release 496 */ 497 if ((ObjDesc->Mutex.OwnerThread->ThreadId != WalkState->Thread->ThreadId) && 498 (ObjDesc != AcpiGbl_GlobalLockMutex)) 499 { 500 ACPI_ERROR ((AE_INFO, 501 "Thread %p cannot release Mutex [%4.4s] acquired by thread %p", 502 ACPI_CAST_PTR (void, WalkState->Thread->ThreadId), 503 AcpiUtGetNodeName (ObjDesc->Mutex.Node), 504 ACPI_CAST_PTR (void, ObjDesc->Mutex.OwnerThread->ThreadId))); 505 return_ACPI_STATUS (AE_AML_NOT_OWNER); 506 } 507 | 502 /* 503 * The Mutex is owned, but this thread must be the owner. 504 * Special case for Global Lock, any thread can release 505 */ 506 if ((ObjDesc->Mutex.OwnerThread->ThreadId != WalkState->Thread->ThreadId) && 507 (ObjDesc != AcpiGbl_GlobalLockMutex)) 508 { 509 ACPI_ERROR ((AE_INFO, 510 "Thread %p cannot release Mutex [%4.4s] acquired by thread %p", 511 ACPI_CAST_PTR (void, WalkState->Thread->ThreadId), 512 AcpiUtGetNodeName (ObjDesc->Mutex.Node), 513 ACPI_CAST_PTR (void, ObjDesc->Mutex.OwnerThread->ThreadId))); 514 return_ACPI_STATUS (AE_AML_NOT_OWNER); 515 } 516 |
| 508 /* Must have a valid thread ID */ 509 510 if (!WalkState->Thread) 511 { 512 ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], null thread info", 513 AcpiUtGetNodeName (ObjDesc->Mutex.Node))); 514 return_ACPI_STATUS (AE_AML_INTERNAL); 515 } 516 | |
| 517 /* 518 * The sync level of the mutex must be equal to the current sync level. In 519 * other words, the current level means that at least one mutex at that 520 * level is currently being held. Attempting to release a mutex of a 521 * different level can only mean that the mutex ordering rule is being 522 * violated. This behavior is clarified in ACPI 4.0 specification. 523 */ 524 if (ObjDesc->Mutex.SyncLevel != WalkState->Thread->CurrentSyncLevel) --- 97 unchanged lines hidden --- | 517 /* 518 * The sync level of the mutex must be equal to the current sync level. In 519 * other words, the current level means that at least one mutex at that 520 * level is currently being held. Attempting to release a mutex of a 521 * different level can only mean that the mutex ordering rule is being 522 * violated. This behavior is clarified in ACPI 4.0 specification. 523 */ 524 if (ObjDesc->Mutex.SyncLevel != WalkState->Thread->CurrentSyncLevel) --- 97 unchanged lines hidden --- |