unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock) { unsigned long flags; local_irq_save(flags); preempt_disable(); _raw_spin_lock_flags(lock, flags); return flags; }
unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock) { unsigned long flags; local_irq_save(flags); preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); /* * On lockdep we dont want the hand-coded irq-enable of * _raw_spin_lock_flags() code, because lockdep assumes * that interrupts are not re-enabled during lock-acquire: */ #ifdef CONFIG_LOCKDEP LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); #else _raw_spin_lock_flags(lock, &flags); #endif return flags; }