20 lines
1.0 KiB
C
20 lines
1.0 KiB
C
#ifndef _KERNEL_AMD64_MEMORYBARRIER_H
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#define _KERNEL_AMD64_MEMORYBARRIER_H
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#define memory_barrier() \
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do { \
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__asm__ volatile("mfence" ::: "memory"); \
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} while (0)
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#define read_memory_barrier() \
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do { \
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__asm__ volatile("lfence" ::: "memory"); \
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} while (0)
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#define write_memory_barrier() \
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do { \
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__asm__ volatile("sfence" ::: "memory"); \
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} while (0)
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#endif // _KERNEL_AMD64_MEMORYBARRIER_H
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