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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 04/27] context_tracking, rcu: Rename ct_dynticks_cpu() into ct_rcu_watching_cpu()
Date: Tue, 30 Apr 2024 11:17:08 +0200	[thread overview]
Message-ID: <20240430091740.1826862-5-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, reflect that change in the related helpers.

Signed-off-by: Valentin Schneider <vschneid@redhat.com>
---
 include/linux/context_tracking_state.h | 2 +-
 kernel/rcu/tree.c                      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
index cb90d8c178104..ad5a06a42b4a0 100644
--- a/include/linux/context_tracking_state.h
+++ b/include/linux/context_tracking_state.h
@@ -61,7 +61,7 @@ static __always_inline int ct_rcu_watching(void)
 	return atomic_read(this_cpu_ptr(&context_tracking.state)) & CT_RCU_WATCHING_MASK;
 }
 
-static __always_inline int ct_dynticks_cpu(int cpu)
+static __always_inline int ct_rcu_watching_cpu(int cpu)
 {
 	struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
 
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index db64f092428dd..e4295d040cc9b 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -334,14 +334,14 @@ bool rcu_dynticks_zero_in_eqs(int cpu, int *vp)
 	int snap;
 
 	// If not quiescent, force back to earlier extended quiescent state.
-	snap = ct_dynticks_cpu(cpu) & ~CT_RCU_WATCHING;
+	snap = ct_rcu_watching_cpu(cpu) & ~CT_RCU_WATCHING;
 	smp_rmb(); // Order ->dynticks and *vp reads.
 	if (READ_ONCE(*vp))
 		return false;  // Non-zero, so report failure;
 	smp_rmb(); // Order *vp read and ->dynticks re-read.
 
 	// If still in the same extended quiescent state, we are good!
-	return snap == ct_dynticks_cpu(cpu);
+	return snap == ct_rcu_watching_cpu(cpu);
 }
 
 /*
-- 
2.43.0


  parent reply	other threads:[~2024-04-30  9:18 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 ` Valentin Schneider [this message]
2024-05-06 10:43   ` [PATCH v2 04/27] context_tracking, rcu: Rename ct_dynticks_cpu() into ct_rcu_watching_cpu() 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 ` [PATCH v2 22/27] rcu: Rename dyntick_save_progress_counter() into eqs_save_progress_counter() Valentin Schneider
2024-05-08 13:21   ` 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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