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rcu-tasks: Fix synchronize_rcu_rude() typo in comment 

This commit replaces the fictitious synchronize_rcu_rude() function with
its real-world synchronize_rcu_tasks_rude() counterpart.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2021-06-22 11:57:15 -07:00
parent f8ab3fad80
commit e4be1f44b6
1 changed files with 2 additions and 2 deletions
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4
kernel/rcu/tasks.h
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@ -643,8 +643,8 @@ void exit_tasks_rcu_finish(void) { exit_tasks_rcu_finish_trace(current); }
//
// "Rude" variant of Tasks RCU, inspired by Steve Rostedt's trick of
// passing an empty function to schedule_on_each_cpu(). This approach
// provides an asynchronous call_rcu_tasks_rude() API and batching
// of concurrent calls to the synchronous synchronize_rcu_rude() API.
// provides an asynchronous call_rcu_tasks_rude() API and batching of
// concurrent calls to the synchronous synchronize_rcu_tasks_rude() API.
// This invokes schedule_on_each_cpu() in order to send IPIs far and wide
// and induces otherwise unnecessary context switches on all online CPUs,
// whether idle or not.