linux-kernel - [PATCH v3 15/25] rcu: Rename rcu_dynticks_eqs_online() into rcu_watching

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Message-ID: <20240724144325.3307148-16-vschneid@redhat.com>
Date: Wed, 24 Jul 2024 16:43:15 +0200
From: Valentin Schneider <vschneid@...hat.com>
To: rcu@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Frederic Weisbecker <frederic@...nel.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Neeraj Upadhyay <quic_neeraju@...cinc.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Josh Triplett <josh@...htriplett.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Zqiang <qiang.zhang1211@...il.com>
Subject: [PATCH v3 15/25] rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online()

The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, reflect that change in the related helpers.

Signed-off-by: Valentin Schneider <vschneid@...hat.com>
---
 kernel/rcu/tree.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 90a0c14f80542..ffec0e7513466 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -283,16 +283,16 @@ void rcu_softirq_qs(void)
 }
 
 /*
- * Reset the current CPU's ->dynticks counter to indicate that the
+ * Reset the current CPU's RCU_WATCHING counter to indicate that the
  * newly onlined CPU is no longer in an extended quiescent state.
  * This will either leave the counter unchanged, or increment it
  * to the next non-quiescent value.
  *
  * The non-atomic test/increment sequence works because the upper bits
- * of the ->dynticks counter are manipulated only by the corresponding CPU,
+ * of the ->state variable are manipulated only by the corresponding CPU,
  * or when the corresponding CPU is offline.
  */
-static void rcu_dynticks_eqs_online(void)
+static void rcu_watching_online(void)
 {
 	if (ct_rcu_watching() & CT_RCU_WATCHING)
 		return;
@@ -5046,7 +5046,7 @@ void rcutree_report_cpu_starting(unsigned int cpu)
 	rnp = rdp->mynode;
 	mask = rdp->grpmask;
 	arch_spin_lock(&rcu_state.ofl_lock);
-	rcu_dynticks_eqs_online();
+	rcu_watching_online();
 	raw_spin_lock(&rcu_state.barrier_lock);
 	raw_spin_lock_rcu_node(rnp);
 	WRITE_ONCE(rnp->qsmaskinitnext, rnp->qsmaskinitnext | mask);
-- 
2.43.0