Add read barrier definition
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@ -37,11 +37,13 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#define MB
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#define WMB
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#define RMB
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#else
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#define MB __asm__ __volatile__ ("dmb ish" : : : "memory")
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#define WMB __asm__ __volatile__ ("dmb ishst" : : : "memory")
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#define RMB __asm__ __volatile__ ("dmb ishld" : : : "memory")
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#endif
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