- patches.fixes/bug-437171_1_sched_clock_lock.patch: sched: only
      update rq->clock while holding rq->lock (437171 - LTC47404).
    - patches.fixes/bug-437171_2_sched_delta_weight.patch: sched:
      revert back to per-rq vruntime (437171 - LTC47404).
    - patches.fixes/bug-437171_3_rework_wakeup_preemption.patch:
      sched: rework wakeup preemption (437171 - LTC47404).
    - patches.fixes/bug-437171_4_sched_reinstate_vruntime_wakeup.patch:
      sched: re-instate vruntime based wakeup preemption (437171 -
      LTC47404).