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arch
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um
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sys-x86_64
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shared
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sysdep
/
barrier.h
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#ifndef
__SYSDEP_X86_64_BARRIER_H
#define
__SYSDEP_X86_64_BARRIER_H
/* Copied from include/asm-x86_64 for use by userspace. */
#define
mb
()
asm
volatile
(
"mfence"
:::
"memory"
)
#endif
