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09e077cf22
linux/kernel/rcu
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Paul E. McKenney 09e077cf22 rcu: Mark loads from rcu_state.n_online_cpus 
The rcu_state.n_online_cpus value is only ever updated by CPU-hotplug
operations, which are serialized.  However, this value is read locklessly.
This commit therefore marks those reads.  While in the area, it also
adds ASSERT_EXCLUSIVE_WRITER() calls just in case parallel CPU hotplug
becomes a thing.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
2024-04-15 16:48:26 +02:00
..
Kconfig rcu: Create NEED_TASKS_RCU to factor out enablement logic 2024-04-15 11:29:48 +02:00
Kconfig.debug rcu: Restrict access to RCU CPU stall notifiers 2023-12-12 02:31:22 +05:30
Makefile rcuperf: Change rcuperf to rcuscale 2020-08-24 18:39:24 -07:00
rcu_segcblist.c rcu: Use rcu_segcblist_segempty() instead of open coding it 2023-10-04 17:33:18 +02:00
rcu_segcblist.h rcu: Throttle callback invocation based on number of ready callbacks 2023-01-03 17:28:34 -08:00
rcu.h Merge branches 'rcu-doc.2024.02.14a', 'rcu-nocb.2024.02.14a', 'rcu-exp.2024.02.14a', 'rcu-tasks.2024.02.26a' and 'rcu-misc.2024.02.14a' into rcu.2024.02.26a 2024-02-26 17:37:25 -08:00
rcuscale.c rcu: Rename jiffies_till_flush to jiffies_lazy_flush 2024-02-14 08:00:57 -08:00
rcutorture.c rcutorture: Suppress rtort_pipe_count warnings until after stalls 2024-02-14 08:00:57 -08:00
refscale.c refscale: Print out additional module parameters 2023-09-11 23:02:18 +02:00
srcutiny.c srcu: Make Tiny SRCU explicitly disable preemption 2024-04-15 11:29:48 +02:00
srcutree.c srcu: Improve comments about acceleration leak 2024-02-14 08:00:57 -08:00
sync.c rcu: Mark writes to rcu_sync ->gp_count field 2024-04-15 16:28:46 +02:00
tasks.h rcu-tasks: Maintain real-time response in rcu_tasks_postscan() 2024-02-25 14:27:49 -08:00
tiny.c rcu: Make Tiny RCU explicitly disable preemption 2024-04-15 11:29:48 +02:00
tree_exp.h rcu/exp: Remove rcu_par_gp_wq 2024-02-14 07:51:36 -08:00
tree_nocb.h Merge branches 'rcu-doc.2024.02.14a', 'rcu-nocb.2024.02.14a', 'rcu-exp.2024.02.14a', 'rcu-tasks.2024.02.26a' and 'rcu-misc.2024.02.14a' into rcu.2024.02.26a 2024-02-26 17:37:25 -08:00
tree_plugin.h rcu/exp: Handle parallel exp gp kworkers affinity 2024-02-14 07:51:36 -08:00
tree_stall.h rcu: Mark loads from rcu_state.n_online_cpus 2024-04-15 16:48:26 +02:00
tree.c rcu: Mark loads from rcu_state.n_online_cpus 2024-04-15 16:48:26 +02:00
tree.h Merge branches 'rcu-doc.2024.02.14a', 'rcu-nocb.2024.02.14a', 'rcu-exp.2024.02.14a', 'rcu-tasks.2024.02.26a' and 'rcu-misc.2024.02.14a' into rcu.2024.02.26a 2024-02-26 17:37:25 -08:00
update.c rcu: Restrict access to RCU CPU stall notifiers 2023-12-12 02:31:22 +05:30