SPIN_LOCK_UNLOCKED 37 include/asm-xtensa/rwsem.h { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \ SPIN_LOCK_UNLOCKED 105 include/linux/spinlock.h do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0) SPIN_LOCK_UNLOCKED 222 sound/oss/dmasound/dmasound_core.c struct sound_settings dmasound = { .lock = SPIN_LOCK_UNLOCKED };