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2021-12-09Merge branches 'doc.2021.11.30c', 'exp.2021.12.07a', 'fastnohz.2021.11.30c', 'fixes.2021.11.30c', 'nocb.2021.12.09a', 'nolibc.2021.11.30c', 'tasks.2021.12.09a', 'torture.2021.12.07a' and 'torturescript.2021.11.30c' into HEADPaul E. McKenney14-568/+863
2021-12-09rcu/nocb: Merge rcu_spawn_cpu_nocb_kthread() and rcu_spawn_one_nocb_kthread()Frederic Weisbecker1-11/+4
2021-12-09rcu/nocb: Allow empty "rcu_nocbs" kernel parameterFrederic Weisbecker1-4/+6
2021-12-09rcu/nocb: Create kthreads on all CPUs if "rcu_nocbs=" or "nohz_full=" are passedFrederic Weisbecker1-8/+6
2021-12-09rcu/nocb: Optimize kthreads and rdp initializationFrederic Weisbecker1-7/+17
2021-12-09rcu/nocb: Prepare nocb_cb_wait() to start with a non-offloaded rdpFrederic Weisbecker1-11/+12
2021-12-09rcu/nocb: Remove rcu_node structure from nocb list when de-offloadedFrederic Weisbecker2-9/+43
2021-12-09rcu-tasks: Use fewer callbacks queues if callback flood endsPaul E. McKenney1-2/+46
2021-12-09rcu-tasks: Use separate ->percpu_dequeue_lim for callback dequeueingPaul E. McKenney1-5/+10
2021-12-09rcu-tasks: Use more callback queues if contention encounteredPaul E. McKenney1-4/+23
2021-12-09rcu-tasks: Avoid raw-spinlocked wakeups from call_rcu_tasks_generic()Paul E. McKenney1-1/+16
2021-12-09rcu-tasks: Count trylocks to estimate call_rcu_tasks() contentionPaul E. McKenney1-1/+14
2021-12-09rcu-tasks: Add rcupdate.rcu_task_enqueue_lim to set initial queueingPaul E. McKenney1-6/+18
2021-12-09rcu-tasks: Make rcu_barrier_tasks*() handle multiple callback queuesPaul E. McKenney1-6/+64
2021-12-09rcu-tasks: Use workqueues for multiple rcu_tasks_invoke_cbs() invocationsPaul E. McKenney1-23/+52
2021-12-09rcu-tasks: Abstract invocations of callbacksPaul E. McKenney1-22/+34
2021-12-09rcu-tasks: Abstract checking of callback listsPaul E. McKenney1-23/+38
2021-12-09rcu-tasks: Add a ->percpu_enqueue_lim to the rcu_tasks structurePaul E. McKenney1-0/+4
2021-12-09rcu-tasks: Inspect stalled task's trc state in locked stateNeeraj Upadhyay1-9/+34
2021-12-09rcu-tasks: Use spin_lock_rcu_node() and friendsPaul E. McKenney1-22/+20
2021-12-07rcutorture: Combine n_max_cbs from all kthreads in a callback floodPaul E. McKenney1-0/+9
2021-12-07rcutorture: Add ability to limit callback-flood intensityPaul E. McKenney1-5/+14
2021-12-07rcutorture: Enable multiple concurrent callback-flood kthreadsPaul E. McKenney1-28/+86
2021-12-07rcutorture: Avoid soft lockup during cpu stallWander Lairson Costa1-0/+5
2021-12-07locktorture,rcutorture,torture: Always log error messageLi Zhijian1-4/+4
2021-12-07rcuscale: Always log error messageLi Zhijian1-7/+7
2021-12-07refscale: Add missing '\n' to flush messageLi Zhijian1-4/+7
2021-12-07refscale: Always log the error messageLi Zhijian1-4/+3
2021-12-07rcu_tasks: Convert bespoke callback list to rcu_segcblist structurePaul E. McKenney2-24/+30
2021-12-07rcu-tasks: Convert grace-period counter to grace-period sequence numberPaul E. McKenney1-4/+5
2021-12-07rcu-tasks: Introduce ->percpu_enqueue_shift for dynamic queue selectionPaul E. McKenney1-1/+6
2021-12-07rcu-tasks: Create per-CPU callback listsPaul E. McKenney1-28/+78
2021-12-07rcu/nocb: Don't invoke local rcu core on callback overload from nocb kthreadFrederic Weisbecker1-5/+5
2021-12-07rcu: Apply callbacks processing time limit only on softirqFrederic Weisbecker1-13/+12
2021-12-07rcu: Fix callbacks processing time limit retaining cond_resched()Frederic Weisbecker1-10/+15
2021-12-07rcu/nocb: Limit number of softirq callbacks only on softirqFrederic Weisbecker1-3/+2
2021-12-07rcu/nocb: Use appropriate rcu_nocb_lock_irqsave()Frederic Weisbecker1-5/+3
2021-12-07rcu/nocb: Check a stable offloaded state to manipulate qlen_last_fqs_checkFrederic Weisbecker1-1/+1
2021-12-07rcu/nocb: Make rcu_core() callbacks acceleration (de-)offloading safeFrederic Weisbecker1-2/+16
2021-12-07rcu/nocb: Make rcu_core() callbacks acceleration preempt-safeThomas Gleixner1-2/+3
2021-12-07rcu/nocb: Invoke rcu_core() at the start of deoffloadingFrederic Weisbecker3-4/+28
2021-12-07rcu/nocb: Prepare state machine for a new stepFrederic Weisbecker4-17/+27
2021-12-07rcu/nocb: Make local rcu_nocb_lock_irqsave() safe against concurrent deoffloadingFrederic Weisbecker1-6/+10
2021-12-07rcu: Tighten rcu_advance_cbs_nowake() checksPaul E. McKenney1-3/+4
2021-12-07rcu/exp: Mark current CPU as exp-QS in IPI loop second passFrederic Weisbecker1-0/+1
2021-12-07rcu: Make idle entry report expedited quiescent statesPaul E. McKenney2-2/+13
2021-12-07rcu: Prevent expedited GP from enabling tick on offline CPUPaul E. McKenney1-1/+4
2021-12-07rcu: Mark sync_sched_exp_online_cleanup() ->cpu_no_qs.b.exp loadPaul E. McKenney1-1/+1
2021-12-07rcu: Remove rcu_data.exp_deferred_qs and convert to rcu_data.cpu no_qs.b.expFrederic Weisbecker3-10/+8
2021-12-07rcu: Move rcu_data.cpu_no_qs.b.exp reset to rcu_export_exp_rdp()Frederic Weisbecker2-4/+3
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