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- #ifndef __SYSDEP_I386_BARRIER_H
- #define __SYSDEP_I386_BARRIER_H
- /* Copied from include/asm-i386 for use by userspace. i386 has the option
- * of using mfence, but I'm just using this, which works everywhere, for now.
- */
- #define mb() asm volatile("lock; addl $0,0(%esp)")
- #endif
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