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Searched refs:_QW_LOCKED (Results 1 – 2 of 2) sorted by relevance

/linux-4.4.14/kernel/locking/
Dqrwlock.c56 while ((cnts & _QW_WMASK) == _QW_LOCKED) { in rspin_until_writer_unlock()
119 (atomic_cmpxchg_acquire(&lock->cnts, 0, _QW_LOCKED) == 0)) in queued_write_lock_slowpath()
141 _QW_LOCKED) == _QW_WAITING)) in queued_write_lock_slowpath()
/linux-4.4.14/include/asm-generic/
Dqrwlock.h31 #define _QW_LOCKED 0xff /* A writer holds the lock */ macro
93 cnts, cnts | _QW_LOCKED) == cnts); in queued_write_trylock()
118 if (atomic_cmpxchg_acquire(&lock->cnts, 0, _QW_LOCKED) == 0) in queued_write_lock()