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634954c2db
linux/kernel/rcu
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Frederic Weisbecker 634954c2db rcu/nocb: Locally accelerate callbacks as long as offloading isn't complete 
The local callbacks processing checks if any callbacks need acceleration.
This commit carries out this checking under nocb lock protection in
the middle of toggle operations, during which time rcu_core() executes
concurrently with GP/CB kthreads.

Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Inspired-by: Paul E. McKenney <paulmck@kernel.org>
Tested-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2021-01-06 16:24:59 -08:00
..
Kconfig rcu: Clarify nocb kthreads naming in RCU_NOCB_CPU config 2020-11-19 19:37:16 -08:00
Kconfig.debug Merge branch 'strictgp.2020.08.24a' into HEAD 2020-09-03 09:47:42 -07:00
Makefile rcuperf: Change rcuperf to rcuscale 2020-08-24 18:39:24 -07:00
rcu_segcblist.c rcu/nocb: De-offloading CB kthread 2021-01-06 16:24:19 -08:00
rcu_segcblist.h rcu/nocb: Process batch locally as long as offloading isn't complete 2021-01-06 16:24:59 -08:00
rcu.h rcutorture: Make grace-period kthread report match RCU flavor being tested 2020-11-02 17:12:43 -08:00
rcuscale.c rcuscale: Prevent hangs for invalid arguments 2020-11-06 17:13:51 -08:00
rcutorture.c Merge branches 'cpuinfo.2020.11.06a', 'doc.2020.11.06a', 'fixes.2020.11.19b', 'lockdep.2020.11.02a', 'tasks.2020.11.06a' and 'torture.2020.11.06a' into HEAD 2020-11-19 19:37:47 -08:00
refscale.c refscale: Prevent hangs for invalid arguments 2020-11-06 17:13:51 -08:00
srcutiny.c rcu: Use CONFIG_PREEMPTION where appropriate 2019-12-09 12:37:51 -08:00
srcutree.c rcu/segcblist: Add counters to segcblist datastructure 2021-01-06 16:24:19 -08:00
sync.c rcu/sync: Simplify the state machine 2019-05-28 09:05:23 -07:00
tasks.h rcu-tasks: Make the units of ->init_fract be jiffies 2020-11-06 17:17:59 -08:00
tiny.c rcu: Rename *_kfree_callback/*_kfree_rcu_offset/kfree_call_* 2020-06-29 11:59:25 -07:00
tree_exp.h rcu: Initialize at declaration time in rcu_exp_handler() 2020-08-24 18:36:03 -07:00
tree_plugin.h rcu/nocb: Set SEGCBLIST_SOFTIRQ_ONLY at the very last stage of de-offloading 2021-01-06 16:24:59 -08:00
tree_stall.h rcu: Panic after fixed number of stalls 2020-11-19 19:37:16 -08:00
tree.c rcu/nocb: Locally accelerate callbacks as long as offloading isn't complete 2021-01-06 16:24:59 -08:00
tree.h rcu/nocb: Shutdown nocb timer on de-offloading 2021-01-06 16:24:59 -08:00
update.c Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-10-18 14:34:50 -07:00