Merge branch 'smc-next'

Karsten Graul says:

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net/smc: updates 2020-09-10

Please apply the following patch series for smc to netdev's net-next tree.

This patch series is a mix of various improvements and cleanups.
The patches 1 and 10 improve the handling of large parallel workloads.
Patch 8 corrects a kernel config default for config CCWGROUP on s390.
Patch 9 allows userspace tools to retrieve socket information for more
sockets.
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Signed-off-by: David S. Miller <davem@davemloft.net>