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From: Valentin Schneider <vschneid@redhat.com>
To: rcu@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Frederic Weisbecker <frederic@kernel.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Neeraj Upadhyay <quic_neeraju@quicinc.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	Josh Triplett <josh@joshtriplett.org>,
	Boqun Feng <boqun.feng@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Zqiang <qiang.zhang1211@gmail.com>
Subject: [PATCH v2 22/27] rcu: Rename dyntick_save_progress_counter() into eqs_save_progress_counter()
Date: Tue, 30 Apr 2024 11:17:26 +0200	[thread overview]
Message-ID: <20240430091740.1826862-23-vschneid@redhat.com> (raw)
In-Reply-To: <20240430091740.1826862-1-vschneid@redhat.com>

The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, and the 'dynticks' prefix can be dropped without losing any
meaning.

Signed-off-by: Valentin Schneider <vschneid@redhat.com>
---
 .../RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg        | 2 +-
 .../RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg         | 2 +-
 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg   | 2 +-
 .../RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg        | 2 +-
 kernel/rcu/tree.c                                         | 8 ++++----
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
index 423df00c4df9d..961b2595241fe 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
@@ -528,7 +528,7 @@
        font-style="normal"
        y="-8652.5312"
        x="2466.7822"
-       xml:space="preserve">dyntick_save_progress_counter()</text>
+       xml:space="preserve">eqs_save_progress_counter()</text>
     <text
        style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
        id="text202-7-2-7-2-0"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
index d82a77d03d8cc..9a8e7d1686ce1 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
@@ -844,7 +844,7 @@
      font-style="normal"
      y="1547.8876"
      x="4417.6396"
-     xml:space="preserve">dyntick_save_progress_counter()</text>
+     xml:space="preserve">eqs_save_progress_counter()</text>
   <g
      style="fill:none;stroke-width:0.025in"
      transform="translate(6501.9719,-10685.904)"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
index 53e0dc2a2c793..40e6686962de1 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
@@ -2974,7 +2974,7 @@
        font-style="normal"
        y="38114.047"
        x="-334.33856"
-       xml:space="preserve">dyntick_save_progress_counter()</text>
+       xml:space="preserve">eqs_save_progress_counter()</text>
     <g
        style="fill:none;stroke-width:0.025in"
        transform="translate(1749.9916,25880.249)"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
index 4fa7506082bfe..14313aeb8affd 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
@@ -516,7 +516,7 @@
        font-style="normal"
        y="-8652.5312"
        x="2466.7822"
-       xml:space="preserve">dyntick_save_progress_counter()</text>
+       xml:space="preserve">eqs_save_progress_counter()</text>
     <text
        style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
        id="text202-7-2-7-2-0"
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 73b95240a1a6c..2037daf0298d0 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -764,11 +764,11 @@ static void rcu_gpnum_ovf(struct rcu_node *rnp, struct rcu_data *rdp)
 }
 
 /*
- * Snapshot the specified CPU's dynticks counter so that we can later
+ * Snapshot the specified CPU's RCU_WATCHING counter so that we can later
  * credit them with an implicit quiescent state.  Return 1 if this CPU
  * is in dynticks idle mode, which is an extended quiescent state.
  */
-static int dyntick_save_progress_counter(struct rcu_data *rdp)
+static int eqs_save_progress_counter(struct rcu_data *rdp)
 {
 	rdp->watching_snap = rcu_watching_snap(rdp->cpu);
 	if (rcu_watching_in_eqs(rdp->watching_snap)) {
@@ -782,7 +782,7 @@ static int dyntick_save_progress_counter(struct rcu_data *rdp)
 /*
  * Returns positive if the specified CPU has passed through a quiescent state
  * by virtue of being in or having passed through an dynticks idle state since
- * the last call to dyntick_save_progress_counter() for this same CPU, or by
+ * the last call to eqs_save_progress_counter() for this same CPU, or by
  * virtue of having been offline.
  *
  * Returns negative if the specified CPU needs a force resched.
@@ -1981,7 +1981,7 @@ static void rcu_gp_fqs(bool first_time)
 
 	if (first_time) {
 		/* Collect dyntick-idle snapshots. */
-		force_qs_rnp(dyntick_save_progress_counter);
+		force_qs_rnp(eqs_save_progress_counter);
 	} else {
 		/* Handle dyntick-idle and offline CPUs. */
 		force_qs_rnp(rcu_implicit_dynticks_qs);
-- 
2.43.0


  parent reply	other threads:[~2024-04-30  9:19 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-30  9:17 [PATCH v2 00/27] context_tracking, rcu: Spring cleaning renaming Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 01/27] treewide: context_tracking: Rename CONTEXT_* into CT_STATE_* Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 02/27] context_tracking, rcu: Rename RCU_DYNTICKS_IDX into CT_RCU_WATCHING Valentin Schneider
2024-05-06 10:39   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 03/27] context_tracking, rcu: Rename ct_dynticks() into ct_rcu_watching() Valentin Schneider
2024-05-06 10:41   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 04/27] context_tracking, rcu: Rename ct_dynticks_cpu() into ct_rcu_watching_cpu() Valentin Schneider
2024-05-06 10:43   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 05/27] context_tracking, rcu: Rename ct_dynticks_cpu_acquire() into ct_rcu_watching_cpu_acquire() Valentin Schneider
2024-05-06 10:45   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 06/27] context_tracking, rcu: Rename struct context_tracking .dynticks_nesting into .nesting Valentin Schneider
2024-05-06 10:48   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 07/27] context_tracking, rcu: Rename ct_dynticks_nesting() into ct_nesting() Valentin Schneider
2024-05-06 11:01   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 08/27] context_tracking, rcu: Rename ct_dynticks_nesting_cpu() into ct_nesting_cpu() Valentin Schneider
2024-05-06 20:09   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 09/27] context_tracking, rcu: Rename struct context_tracking .dynticks_nmi_nesting into .nmi_nesting Valentin Schneider
2024-05-06 20:19   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 10/27] context_tracking, rcu: Rename ct_dynticks_nmi_nesting() into ct_nmi_nesting() Valentin Schneider
2024-05-06 20:50   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 11/27] context_tracking, rcu: Rename ct_dynticks_nmi_nesting_cpu() into ct_nmi_nesting_cpu() Valentin Schneider
2024-05-06 21:03   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 12/27] context_tracking, rcu: Rename DYNTICK_IRQ_NONIDLE into CT_NESTING_IRQ_NONIDLE Valentin Schneider
2024-05-06 21:06   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 13/27] context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*() Valentin Schneider
2024-05-06 21:15   ` Frederic Weisbecker
2024-05-08 14:39   ` Frederic Weisbecker
2024-05-13 18:39     ` Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 14/27] context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into rcu_watching_curr_cpu() Valentin Schneider
2024-05-06 22:00   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 15/27] rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_eqs_online() Valentin Schneider
2024-05-06 22:18   ` Frederic Weisbecker
2024-05-07  8:59     ` Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 16/27] rcu: Rename rcu_dynticks_snap() into rcu_watching_snap() Valentin Schneider
2024-05-07 13:11   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 17/27] rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_in_eqs() Valentin Schneider
2024-05-07 13:32   ` Frederic Weisbecker
2024-05-07 15:48     ` Valentin Schneider
2024-05-08 10:46       ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 18/27] rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_changed_since() Valentin Schneider
2024-05-07 13:48   ` Frederic Weisbecker
2024-05-07 17:14     ` Paul E. McKenney
2024-05-08 10:59       ` Frederic Weisbecker
2024-05-13 18:40         ` Valentin Schneider
2024-05-14 10:42           ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 19/27] rcu: Rename rcu_dynticks_zero_in_eqs() into rcu_watching_zero_in_eqs() Valentin Schneider
2024-05-08 12:43   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 20/27] rcu: Rename struct rcu_data .dynticks_snap into .watching_snap Valentin Schneider
2024-05-08 12:55   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 21/27] rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap Valentin Schneider
2024-05-08 13:06   ` Frederic Weisbecker
2024-04-30  9:17 ` Valentin Schneider [this message]
2024-05-08 13:21   ` [PATCH v2 22/27] rcu: Rename dyntick_save_progress_counter() into eqs_save_progress_counter() Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 23/27] rcu: Rename rcu_implicit_dynticks_qs() into rcu_implicit_eqs() Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 24/27] rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs() Valentin Schneider
2024-05-08 13:30   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 25/27] context_tracking, rcu: Rename stray ->dynticks comments Valentin Schneider
2024-05-08 13:39   ` Frederic Weisbecker
2024-04-30  9:17 ` [PATCH v2 26/27] rcu: Update stray documentation references to rcu_dynticks_eqs_{enter, exit}() Valentin Schneider
2024-05-08 14:55   ` Frederic Weisbecker
2024-05-13 18:40     ` Valentin Schneider
2024-04-30  9:17 ` [PATCH v2 27/27] context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching Valentin Schneider
2024-05-08 13:59   ` Frederic Weisbecker
2024-05-13 18:40     ` Valentin Schneider
2024-05-14 12:09       ` Frederic Weisbecker

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