Merge branch into tip/master: 'sched/core'

 # New commits in sched/core:
    0257e5a3c26b ("sched/doc: Update documentation after renames and synchronize Chinese version")
    f12560779f9d ("sched/cpufreq: Rework iowait boost")
    9c0b4bb7f630 ("sched/cpufreq: Rework schedutil governor performance estimation")
    50181c0cff31 ("sched/pelt: Avoid underestimation of task utilization")
    194600008d5c ("sched/timers: Explain why idle task schedules out on remote timer enqueue")
    dd5403869a40 ("sched/cpuidle: Comment about timers requirements VS idle handler")
    63ba8422f876 ("sched/deadline: Introduce deadline servers")
    2f7a0f58948d ("sched/deadline: Move bandwidth accounting into {en,de}queue_dl_entity")
    9e07d45c5210 ("sched/deadline: Collect sched_dl_entity initialization")
    c708a4dc5ab5 ("sched: Unify more update_curr*()")
    5fe6ec8f6ab5 ("sched: Remove vruntime from trace_sched_stat_runtime()")
    5d69eca542ee ("sched: Unify runtime accounting across classes")
    ee4373dc902c ("sched/eevdf: O(1) fastpath for task selection")
    2227a957e1d5 ("sched/eevdf: Sort the rbtree by virtual deadline")
    84db47ca7146 ("sched/numa: Fix mm numa_scan_seq based unconditional scan")
    d6111cf45c57 ("sched: Use WRITE_ONCE() for p->on_rq")

Signed-off-by: Ingo Molnar <mingo@kernel.org>