More stable kernel updates

The
https://lwn.net/Articles/954990/
,
https://lwn.net/Articles/954989/
,
https://lwn.net/Articles/954988/
,
https://lwn.net/Articles/954987/
,
https://lwn.net/Articles/954986/
,
https://lwn.net/Articles/954985/
, and
https://lwn.net/Articles/954984/

stable kernel updates have all been released; each contains another set of
important fixes.

https://lwn.net/Articles/954983/