From: "Paul E. McKenney" <paulmck@kernel.org>
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com,
mingo@kernel.org, jiangshanlai@gmail.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org,
"Paul E. McKenney" <paulmck@kernel.org>
Subject: [PATCH rcu 4/5] rcu-tasks: Fix synchronize_rcu_rude() typo in comment
Date: Wed, 21 Jul 2021 13:38:17 -0700 [thread overview]
Message-ID: <20210721203818.3398345-4-paulmck@kernel.org> (raw)
In-Reply-To: <20210721203758.GA3386731@paulmck-ThinkPad-P17-Gen-1>
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>
---
kernel/rcu/tasks.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index 1cece5e9be9a9..f9f52daacd1c5 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -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.
--
2.31.1.189.g2e36527f23
next prev parent reply other threads:[~2021-07-21 20:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 20:37 [PATCH rcu 0/5] Tasks-RCU updates for v5.15 Paul E. McKenney
2021-07-21 20:38 ` [PATCH rcu 1/5] rcu-tasks: Add comments explaining task_struct strategy Paul E. McKenney
2021-07-21 20:38 ` [PATCH rcu 2/5] rcu-tasks: Mark ->trc_reader_nesting data races Paul E. McKenney
2021-07-21 20:38 ` [PATCH rcu 3/5] rcu-tasks: Mark ->trc_reader_special.b.need_qs " Paul E. McKenney
2021-07-21 20:38 ` Paul E. McKenney [this message]
2021-07-21 20:38 ` [PATCH rcu 5/5] rcu: Fix macro name CONFIG_TASKS_RCU_TRACE Paul E. McKenney
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