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

/linux-6.6.21/drivers/tty/
Dtty_ldsem.c44 #define LDSEM_ACTIVE_BIAS 1L macro
46 #define LDSEM_READ_BIAS LDSEM_ACTIVE_BIAS
47 #define LDSEM_WRITE_BIAS (LDSEM_WAIT_BIAS + LDSEM_ACTIVE_BIAS)
85 adjust = sem->wait_readers * (LDSEM_ACTIVE_BIAS - LDSEM_WAIT_BIAS); in __ldsem_wake_readers()
110 long count = atomic_long_add_return(LDSEM_ACTIVE_BIAS, &sem->count); in writer_trylock()
112 if ((count & LDSEM_ACTIVE_MASK) == LDSEM_ACTIVE_BIAS) in writer_trylock()
114 if (atomic_long_try_cmpxchg(&sem->count, &count, count - LDSEM_ACTIVE_BIAS)) in writer_trylock()
159 long adjust = -LDSEM_ACTIVE_BIAS + LDSEM_WAIT_BIAS; in down_read_failed()
233 long adjust = -LDSEM_ACTIVE_BIAS; in down_write_failed()
247 if ((count & LDSEM_ACTIVE_MASK) == LDSEM_ACTIVE_BIAS) { in down_write_failed()
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