5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
17 lines
441 B
C
17 lines
441 B
C
#ifndef LIBURING_BARRIER_H
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#define LIBURING_BARRIER_H
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#if defined(__x86_64) || defined(__i386__)
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#define read_barrier() __asm__ __volatile__("":::"memory")
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#define write_barrier() __asm__ __volatile__("":::"memory")
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#else
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/*
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* Add arch appropriate definitions. Be safe and use full barriers for
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* archs we don't have support for.
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*/
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#define read_barrier() __sync_synchronize()
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#define write_barrier() __sync_synchronize()
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#endif
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#endif
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