[SPARC64]: Fix BACKOFF_SPIN on non-SMP.
It can't be just empty, it has to at least branch back to 'label'. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -21,7 +21,9 @@
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#else
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#else
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#define BACKOFF_SETUP(reg)
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#define BACKOFF_SETUP(reg)
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#define BACKOFF_SPIN(reg, tmp, label)
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#define BACKOFF_SPIN(reg, tmp, label) \
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ba,pt %xcc, label; \
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nop;
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#endif
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#endif
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