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Rev 3191 Rev 3403
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        "incl %1\n"      /* now use the atomic operation */
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        "incl %1\n"      /* now use the atomic operation */
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        "xchgl %0, %1\n"   
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        "xchgl %0, %1\n"   
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        "testl %1, %1\n"
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        "testl %1, %1\n"
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        "jnz 0b\n"
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        "jnz 0b\n"
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                : "+m" (val->count), "=r"(tmp)
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                : "+m" (val->count), "=&r"(tmp)
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    );
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    );
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    /*
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    /*
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     * Prevent critical section code from bleeding out this way up.
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     * Prevent critical section code from bleeding out this way up.
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     */
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     */
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    CS_ENTER_BARRIER();
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    CS_ENTER_BARRIER();