_raw_spin_lock_irqsave
flags = _raw_spin_lock_irqsave(lock); \
flags = _raw_spin_lock_irqsave(lock); \
_raw_spin_lock_irqsave(lock, flags); \
unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
EXPORT_SYMBOL(_raw_spin_lock_irqsave);