linux-kernel - [PATCH v2 23/27] rcu: Rename rcu_implicit_dynticks_qs() into rcu_implicit

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Date: Tue, 30 Apr 2024 11:17:27 +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 v2 23/27] rcu: Rename rcu_implicit_dynticks_qs() into rcu_implicit_eqs()

The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, replace "dynticks_qs" into "eqs" to drop the dyntick
reference.

Signed-off-by: Valentin Schneider <vschneid@...hat.com>
---
 Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg | 2 +-
 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg  | 2 +-
 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg      | 2 +-
 Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg | 2 +-
 kernel/rcu/tree.c                                            | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
index 961b2595241fe..b57210ecd689e 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
@@ -537,7 +537,7 @@
        font-style="normal"
        y="-8368.1475"
        x="2463.3262"
-       xml:space="preserve">rcu_implicit_dynticks_qs()</text>
+       xml:space="preserve">rcu_implicit_eqs()</text>
   </g>
   <g
      id="g4504"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
index 9a8e7d1686ce1..bd2b33e05447f 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
@@ -899,7 +899,7 @@
      font-style="normal"
      y="1858.8729"
      x="4414.1836"
-     xml:space="preserve">rcu_implicit_dynticks_qs()</text>
+     xml:space="preserve">rcu_implicit_eqs()</text>
   <text
      xml:space="preserve"
      x="14659.87"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
index 40e6686962de1..8ece2b559bd35 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
@@ -3029,7 +3029,7 @@
        font-style="normal"
        y="38425.035"
        x="-337.79462"
-       xml:space="preserve">rcu_implicit_dynticks_qs()</text>
+       xml:space="preserve">rcu_implicit_eqs()</text>
     <text
        xml:space="preserve"
        x="9907.8887"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
index 14313aeb8affd..e063ff9c8ab61 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
@@ -525,7 +525,7 @@
        font-style="normal"
        y="-8368.1475"
        x="2463.3262"
-       xml:space="preserve">rcu_implicit_dynticks_qs()</text>
+       xml:space="preserve">rcu_implicit_eqs()</text>
     <text
        sodipodi:linespacing="125%"
        style="font-size:192px;font-style:normal;font-weight:bold;line-height:125%;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 2037daf0298d0..b375c6006ed6b 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -789,7 +789,7 @@ static int eqs_save_progress_counter(struct rcu_data *rdp)
  *
  * Returns zero otherwise.
  */
-static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
+static int rcu_implicit_eqs(struct rcu_data *rdp)
 {
 	unsigned long jtsq;
 	int ret = 0;
@@ -1984,7 +1984,7 @@ static void rcu_gp_fqs(bool first_time)
 		force_qs_rnp(eqs_save_progress_counter);
 	} else {
 		/* Handle dyntick-idle and offline CPUs. */
-		force_qs_rnp(rcu_implicit_dynticks_qs);
+		force_qs_rnp(rcu_implicit_eqs);
 	}
 	/* Clear flag to prevent immediate re-entry. */
 	if (READ_ONCE(rcu_state.gp_flags) & RCU_GP_FLAG_FQS) {
-- 
2.43.0