1 #ifndef _ASMARM64_SPINLOCK_H_ 2 #define _ASMARM64_SPINLOCK_H_ 3 4 struct spinlock { 5 int v; 6 }; 7 8 extern void spin_lock(struct spinlock *lock); 9 extern void spin_unlock(struct spinlock *lock); 10 11 #endif /* _ASMARM64_SPINLOCK_H_ */ 12