rcu-tasks: Split rcu_tasks_one_gp() from rcu_tasks_kthread()

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This commit abstracts most of the rcu_tasks_kthread() function's loop
body into a new rcu_tasks_one_gp() function.  It also introduces
a new ->tasks_gp_mutex to synchronize concurrent calls to this new
rcu_tasks_one_gp() function.  This commit is preparation for allowing
RCU tasks grace periods to be driven by the calling task during the
mid-boot dead zone.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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Paul E. McKenney 2022-04-19 10:47:28 -07:00

parent 4cf0585c4d

commit d96225fd09

1 changed files with 36 additions and 22 deletions

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kernel/rcu/tasks.h

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