Merge branch 's390'

Ursula Braun says:

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s390/qeth patches for net

here are two s390/qeth patches built for net.
One patch is quite large, but we would like to fix the locking warning
seen in recent kernels as soon as possible. But if you want me to submit
these patches for net-next, I will do.
Or Gerlitz says:
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Signed-off-by: David S. Miller <davem@davemloft.net>