Merge tag 'timers-urgent-2020-10-25' of git://

Pull timer fixes from Thomas Gleixner:
 "A time namespace fix and a matching selftest. The futex absolute
  timeouts which are based on CLOCK_MONOTONIC require time namespace
  corrected. This was missed in the original time namesapce support"

* tag 'timers-urgent-2020-10-25' of git://
  selftests/timens: Add a test for futex()
  futex: Adjust absolute futex timeouts with per time namespace offset