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refperf: Output per-experiment data points
2020-06-29 Paul E. McKenneyrefperf: Output per-experiment data points
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Label experiment-number column "Runs"
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Add warmup and cooldown processing phases
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: More closely synchronize reader start times
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Convert reader_task structure's "start" field...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Tune reader measurement interval
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Make functions static
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Dynamically allocate thread-summary output...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Dynamically allocate experiment-summary output...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Provide module parameter to specify number...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Convert nreaders to a module parameter
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Allow decimal nanoseconds
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Hoist function-pointer calls out of the loop
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrefperf: Add holdoff parameter to allow CPUs to come...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneytorture: Add refperf to the rcutorture scripting
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-06-29 Paul E. McKenneyrcuperf: Add comments explaining the high reader overhead
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-26 Paul E. McKenneyrcu: Abstract out rcu_irq_enter_check_tick() from rcu_nmi_en...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-19 Paul E. McKenneyrcu: Make RCU IRQ enter/exit functions rely on in_nmi()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneyMerge branches 'fixes.2020.04.27a', 'kfree_rcu.2020...
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2020-05-07 Paul E. McKenneyrcutorture: Convert ULONG_CMP_LT() to time_before()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Add a --kasan argument
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Save a few lines by using config_override_param...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Allow scenario-specific Kconfig options to...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Allow --kconfig options to override --kcsan...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Abstract application of additional Kconfig...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Eliminate duplicate #CHECK# from ConfigFragment
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Make --kcsan argument also create a summary
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneytorture: Add --kcsan argument to top-level kvm.sh script
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneyrcu: Allow rcutorture to starve grace-period kthread
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneyrcutorture: Right-size TREE10 CPU consumption
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-05-07 Paul E. McKenneyrcutorture: Add flag to produce non-busy-wait task...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Mark data-race potential for rcu_barrier...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Make kvm-recheck-rcu.sh handle truncated...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add KCSAN stubs
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Remove self-stack-trace when all quiescent states...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: When GP kthread is starved, tag idle threads as...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Use data_race() for RCU expedited CPU stall-warning...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyftrace: Use synchronize_rcu_tasks_rude() instead of...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Allow standalone use of TASKS_{TRACE_,}RCU
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add IPI failure count to statistics
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add TRACE02 scenario enabling RCU Tasks...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add count for idle tasks on offline CPUs
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add rcu_dynticks_zero_in_eqs() effectiveness...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Make RCU tasks trace also wait for idle...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Handle the running-offline idle-task special...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Disable CPU hotplug across RCU tasks trace...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Allow rcu_read_unlock_trace() under scheduler...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Avoid IPIing userspace/idle tasks if kernel...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add Kconfig option to mediate smp_mb() vs...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add grace-period and IPI counts to statistics
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Split ->trc_reader_need_end
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Provide boot parameter to delay IPIs until...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add a grace-period start time for throttling...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Make RCU Tasks Trace make use of RCU scheduler...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Make rcutorture writer stall output include...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add RCU tasks to rcutorture writer stall...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Move #ifdef into tasks.h
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add stall warnings for RCU Tasks Trace
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add torture tests for RCU Tasks Trace
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add an RCU Tasks Trace to simplify protection...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Code movement to allow more Tasks RCU variants
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Further refactor RCU-tasks to allow adding...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Use unique names for RCU-Tasks kthreads...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add torture tests for RCU Tasks Rude
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Add an RCU-tasks rude variant
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Refactor RCU-tasks to allow variants to...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add a test for synchronize_rcu_mult()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Reinstate synchronize_rcu_mult()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Create struct to hold state information
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Move Tasks RCU to its own file
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add per-task state to RCU CPU stall warnings
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneysched/core: Add function to sample state of locked...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu-tasks: Use context-switch hook for PREEMPT=y kernels
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add comments marking transitions between RCU watching...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcutorture: Add test of holding scheduler locks across...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Make rcu_read_unlock_special() safe for rq/pi...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add KCSAN stubs to update.c
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add rcu_gp_might_be_stalled()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Convert rcu_nohz_full_cpu() ULONG_CMP_LT() to...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Convert rcu_initiate_boost() ULONG_CMP_GE() to...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Convert ULONG_CMP_GE() to time_after() for jiffy...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Mark rcu_state.gp_seq to detect more concurrent...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Expedite first two FQS scans under callback-overload...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneydrm: Make drm_dp_mst_dsc_aux_for_port() safe for old...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Use data_race() for RCU CPU stall-warning prints
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add WRITE_ONCE() to rcu_node ->boost_tasks
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneysrcu: Add data_race() to ->srcu_lock_count and ->srcu_unlock...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add READ_ONCE and data_race() to rcu_node ->boost_tasks
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add *_ONCE() and data_race() to rcu_node ->exp_tasks...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Mark rcu_state.ncpus to detect concurrent writes
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneysrcu: Add KCSAN stubs
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-27 Paul E. McKenneyrcu: Add KCSAN stubs
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-04-05 Paul E. McKenneyrcu: Don't acquire lock in NMI handler in rcu_nmi_enter_common()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-03-22 Paul E. McKenneyMerge branches 'doc.2020.02.27a', 'fixes.2020.03.21a...
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2020-03-21 Paul E. McKenneyrcu: Make rcu_barrier() account for offline no-CBs...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-03-21 Paul E. McKenneyrcu: Mark rcu_state.gp_seq to detect concurrent writes
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-03-21 Paul E. McKenneykcsan: Add docbook header for data_race()
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-02-27 Paul E. McKenneydoc: Add rcutorture scripting to torture.txt
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-02-21 Paul E. McKenneyrcutorture: Set KCSAN Kconfig options to detect more...
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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2020-02-21 Paul E. McKenneyrcutorture: Manually clean up after rcu_barrier() failure
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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