linux-kernel - [PATCH v3 22/25] rcu: Rename rcu_implicit_dynticks_qs() into rcu_implicit

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Message-ID: <20240724144325.3307148-23-vschneid@redhat.com>
Date: Wed, 24 Jul 2024 16:43:22 +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 22/25] 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 13956baf748ad..ab9707f04e666 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_watching_snap_recheck()</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 9de55fbf5be49..e17c3356041aa 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_watching_snap_recheck()</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 286a098b9c42f..c43e1ec10774b 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_watching_snap_recheck()</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 bab69a15c9c22..a92356ce40110 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_watching_snap_recheck()</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 e43d4e1ac4e18..3c607e45532bd 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -798,7 +798,7 @@ static int rcu_watching_snap_save(struct rcu_data *rdp)
  *
  * Returns zero otherwise.
  */
-static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
+static int rcu_watching_snap_recheck(struct rcu_data *rdp)
 {
 	unsigned long jtsq;
 	int ret = 0;
@@ -1987,7 +1987,7 @@ static void rcu_gp_fqs(bool first_time)
 		force_qs_rnp(rcu_watching_snap_save);
 	} else {
 		/* Handle dyntick-idle and offline CPUs. */
-		force_qs_rnp(rcu_implicit_dynticks_qs);
+		force_qs_rnp(rcu_watching_snap_recheck);
 	}
 	/* Clear flag to prevent immediate re-entry. */
 	if (READ_ONCE(rcu_state.gp_flags) & RCU_GP_FLAG_FQS) {
-- 
2.43.0