52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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#ifndef _ASM_IA64_SYNC_BITOPS_H
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#define _ASM_IA64_SYNC_BITOPS_H
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/*
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* Copyright (C) 2008 Isaku Yamahata <yamahata at valinux co jp>
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*
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* Based on synch_bitops.h which Dan Magenhaimer wrote.
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*
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* bit operations which provide guaranteed strong synchronisation
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* when communicating with Xen or other guest OSes running on other CPUs.
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*/
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static inline void sync_set_bit(int nr, volatile void *addr)
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{
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set_bit(nr, addr);
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}
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static inline void sync_clear_bit(int nr, volatile void *addr)
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{
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clear_bit(nr, addr);
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}
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static inline void sync_change_bit(int nr, volatile void *addr)
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{
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change_bit(nr, addr);
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}
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static inline int sync_test_and_set_bit(int nr, volatile void *addr)
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{
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return test_and_set_bit(nr, addr);
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}
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static inline int sync_test_and_clear_bit(int nr, volatile void *addr)
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{
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return test_and_clear_bit(nr, addr);
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}
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static inline int sync_test_and_change_bit(int nr, volatile void *addr)
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{
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return test_and_change_bit(nr, addr);
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}
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static inline int sync_test_bit(int nr, const volatile void *addr)
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{
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return test_bit(nr, addr);
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}
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#define sync_cmpxchg(ptr, old, new) \
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((__typeof__(*(ptr)))cmpxchg_acq((ptr), (old), (new)))
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#endif /* _ASM_IA64_SYNC_BITOPS_H */
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