Merge branch 'net-smc-next'

Merge branch 'net-smc-next'

Ursula Braun says:

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net/smc: patches 2019-02-12

here are patches for SMC:
* patches 1 and 3 optimize SMC-R tx logic
* patch 2 is a cleanup without functional change
* patch 4 optimizes rx logic
* patches 5 and 6 improve robustness in link group and IB event handling
* patch 7 establishes Karsten Graul as another SMC maintainer
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Signed-off-by: David S. Miller <davem@davemloft.net>