20 unsigned long __xchg64(unsigned long x, unsigned long *ptr)  in __xchg64()  argument
24 	_atomic_spin_lock_irqsave(ptr, flags);  in __xchg64()
25 	temp = *ptr;  in __xchg64()
26 	*ptr = x;  in __xchg64()
27 	_atomic_spin_unlock_irqrestore(ptr, flags);  in __xchg64()
32 unsigned long __xchg32(int x, int *ptr)  in __xchg32()  argument
37 	_atomic_spin_lock_irqsave(ptr, flags);  in __xchg32()
38 	temp = (long) *ptr;	/* XXX - sign extension wanted? */  in __xchg32()
39 	*ptr = x;  in __xchg32()
40 	_atomic_spin_unlock_irqrestore(ptr, flags);  in __xchg32()
45 unsigned long __xchg8(char x, char *ptr)  in __xchg8()  argument
50 	_atomic_spin_lock_irqsave(ptr, flags);  in __xchg8()
51 	temp = (long) *ptr;	/* XXX - sign extension wanted? */  in __xchg8()
52 	*ptr = x;  in __xchg8()
53 	_atomic_spin_unlock_irqrestore(ptr, flags);  in __xchg8()
59 unsigned long __cmpxchg_u64(volatile unsigned long *ptr, unsigned long old, unsigned long new)  in __cmpxchg_u64()  argument
64 	_atomic_spin_lock_irqsave(ptr, flags);  in __cmpxchg_u64()
65 	if ((prev = *ptr) == old)  in __cmpxchg_u64()
66 		*ptr = new;  in __cmpxchg_u64()
67 	_atomic_spin_unlock_irqrestore(ptr, flags);  in __cmpxchg_u64()
72 unsigned long __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsigned int new)  in __cmpxchg_u32()  argument
77 	_atomic_spin_lock_irqsave(ptr, flags);  in __cmpxchg_u32()
78 	if ((prev = *ptr) == old)  in __cmpxchg_u32()
79 		*ptr = new;  in __cmpxchg_u32()
80 	_atomic_spin_unlock_irqrestore(ptr, flags);  in __cmpxchg_u32()