• Linus Torvalds's avatar
    Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 53528695
    Linus Torvalds authored
    Pull scheduler changes from Ingo Molnar:
     "The main changes in this cycle were:
    
       - sched/fair load tracking fixes and cleanups (Byungchul Park)
    
       - Make load tracking frequency scale invariant (Dietmar Eggemann)
    
       - sched/deadline updates (Juri Lelli)
    
       - stop machine fixes, cleanups and enhancements for bugs triggered by
         CPU hotplug stress testing (Oleg Nesterov)
    
       - scheduler preemption code rework: remove PREEMPT_ACTIVE and related
         cleanups (Peter Zijlstra)
    
       - Rework the sched_info::run_delay code to fix races (Peter Zijlstra)
    
       - Optimize per entity utilization tracking (Peter Zijlstra)
    
       - ... misc other fixes, cleanups and smaller updates"
    
    * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
      sched: Don't scan all-offline ->cpus_allowed twice if !CONFIG_CPUSETS
      sched: Move cpu_active() tests from stop_two_cpus() into migrate_swap_stop()
      sched: Start stopper early
      stop_machine: Kill cpu_stop_threads->setup() and cpu_stop_unpark()
      stop_machine: Kill smp_hotplug_thread->pre_unpark, introduce stop_machine_unpark()
      stop_machine: Change cpu_stop_queue_two_works() to rely on stopper->enabled
      stop_machine: Introduce __cpu_stop_queue_work() and cpu_stop_queue_two_works()
      stop_machine: Ensure that a queued callback will be called before cpu_stop_park()
      sched/x86: Fix typo in __switch_to() comments
      sched/core: Remove a parameter in the migrate_task_rq() function
      sched/core: Drop unlikely behind BUG_ON()
      sched/core: Fix task and run queue sched_info::run_delay inconsistencies
      sched/numa: Fix task_tick_fair() from disabling numa_balancing
      sched/core: Add preempt_count invariant check
      sched/core: More notrace annotations
      sched/core: Kill PREEMPT_ACTIVE
      sched/core, sched/x86: Kill thread_info::saved_preempt_count
      sched/core: Simplify preempt_count tests
      sched/core: Robustify preemption leak checks
      sched/core: Stop setting PREEMPT_ACTIVE
      ...
    53528695
cpu.c 20.1 KB