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23 lines
486 B
23 lines
486 B
#ifndef _ASM_X86_CMPXCHG_64_H |
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#define _ASM_X86_CMPXCHG_64_H |
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static inline void set_64bit(volatile u64 *ptr, u64 val) |
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{ |
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*ptr = val; |
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} |
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#define cmpxchg64(ptr, o, n) \ |
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({ \ |
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BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ |
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cmpxchg((ptr), (o), (n)); \ |
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}) |
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#define cmpxchg64_local(ptr, o, n) \ |
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({ \ |
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BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ |
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cmpxchg_local((ptr), (o), (n)); \ |
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}) |
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#define system_has_cmpxchg_double() cpu_has_cx16 |
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#endif /* _ASM_X86_CMPXCHG_64_H */
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