_QR_BIAS
(void)atomic_sub_return_release(_QR_BIAS, &lock->cnts);
cnts = (u32)atomic_add_return_acquire(_QR_BIAS, &lock->cnts);
atomic_sub(_QR_BIAS, &lock->cnts);
cnts = atomic_add_return_acquire(_QR_BIAS, &lock->cnts);
atomic_sub(_QR_BIAS, &lock->cnts);
atomic_add(_QR_BIAS, &lock->cnts);