include/linux/spinlock_api_up.h

19 #define assert_raw_spin_locked(lock)	do { (void)(lock); } while (0)
24  * flags straight, to suppress compiler warnings of unused lock
27 #define ___LOCK(lock) \
28   do { __acquire(lock); (void)(lock); } while (0)
30 #define __LOCK(lock) \
31   do { preempt_disable(); ___LOCK(lock); } while (0)
33 #define __LOCK_BH(lock) \
34   do { __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_LOCK_OFFSET); ___LOCK(lock); } while (0)
36 #define __LOCK_IRQ(lock) \
37   do { local_irq_disable(); __LOCK(lock); } while (0)
39 #define __LOCK_IRQSAVE(lock, flags) \
40   do { local_irq_save(flags); __LOCK(lock); } while (0)
42 #define ___UNLOCK(lock) \
43   do { __release(lock); (void)(lock); } while (0)
45 #define __UNLOCK(lock) \
46   do { preempt_enable(); ___UNLOCK(lock); } while (0)
48 #define __UNLOCK_BH(lock) \
50        ___UNLOCK(lock); } while (0)
52 #define __UNLOCK_IRQ(lock) \
53   do { local_irq_enable(); __UNLOCK(lock); } while (0)
55 #define __UNLOCK_IRQRESTORE(lock, flags) \
56   do { local_irq_restore(flags); __UNLOCK(lock); } while (0)
58 #define _raw_spin_lock(lock)			__LOCK(lock)
59 #define _raw_spin_lock_nested(lock, subclass)	__LOCK(lock)
60 #define _raw_read_lock(lock)			__LOCK(lock)
61 #define _raw_write_lock(lock)			__LOCK(lock)
62 #define _raw_write_lock_nested(lock, subclass)	__LOCK(lock)
63 #define _raw_spin_lock_bh(lock)			__LOCK_BH(lock)
64 #define _raw_read_lock_bh(lock)			__LOCK_BH(lock)
65 #define _raw_write_lock_bh(lock)		__LOCK_BH(lock)
66 #define _raw_spin_lock_irq(lock)		__LOCK_IRQ(lock)
67 #define _raw_read_lock_irq(lock)		__LOCK_IRQ(lock)
68 #define _raw_write_lock_irq(lock)		__LOCK_IRQ(lock)
69 #define _raw_spin_lock_irqsave(lock, flags)	__LOCK_IRQSAVE(lock, flags)
70 #define _raw_read_lock_irqsave(lock, flags)	__LOCK_IRQSAVE(lock, flags)
71 #define _raw_write_lock_irqsave(lock, flags)	__LOCK_IRQSAVE(lock, flags)
72 #define _raw_spin_trylock(lock)			({ __LOCK(lock); 1; })
73 #define _raw_read_trylock(lock)			({ __LOCK(lock); 1; })
74 #define _raw_write_trylock(lock)			({ __LOCK(lock); 1; })
75 #define _raw_spin_trylock_bh(lock)		({ __LOCK_BH(lock); 1; })
76 #define _raw_spin_unlock(lock)			__UNLOCK(lock)
77 #define _raw_read_unlock(lock)			__UNLOCK(lock)
78 #define _raw_write_unlock(lock)			__UNLOCK(lock)
79 #define _raw_spin_unlock_bh(lock)		__UNLOCK_BH(lock)
80 #define _raw_write_unlock_bh(lock)		__UNLOCK_BH(lock)
81 #define _raw_read_unlock_bh(lock)		__UNLOCK_BH(lock)
82 #define _raw_spin_unlock_irq(lock)		__UNLOCK_IRQ(lock)
83 #define _raw_read_unlock_irq(lock)		__UNLOCK_IRQ(lock)
84 #define _raw_write_unlock_irq(lock)		__UNLOCK_IRQ(lock)
85 #define _raw_spin_unlock_irqrestore(lock, flags) \
86 					__UNLOCK_IRQRESTORE(lock, flags)
87 #define _raw_read_unlock_irqrestore(lock, flags) \
88 					__UNLOCK_IRQRESTORE(lock, flags)
89 #define _raw_write_unlock_irqrestore(lock, flags) \
90 					__UNLOCK_IRQRESTORE(lock, flags)