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 v3 18/25] rcu: Rename rcu_dynticks_zero_in_eqs() into rcu_watching_zero_in_eqs()
Date: Wed, 24 Jul 2024 16:43:18 +0200 [thread overview]
Message-ID: <20240724144325.3307148-19-vschneid@redhat.com> (raw)
In-Reply-To: <20240724144325.3307148-1-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>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
---
kernel/rcu/rcu.h | 4 ++--
kernel/rcu/tasks.h | 2 +-
kernel/rcu/tree.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 38238e595a61a..5564402af4cbd 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -606,7 +606,7 @@ void srcutorture_get_gp_data(struct srcu_struct *sp, int *flags,
#endif
#ifdef CONFIG_TINY_RCU
-static inline bool rcu_dynticks_zero_in_eqs(int cpu, int *vp) { return false; }
+static inline bool rcu_watching_zero_in_eqs(int cpu, int *vp) { return false; }
static inline unsigned long rcu_get_gp_seq(void) { return 0; }
static inline unsigned long rcu_exp_batches_completed(void) { return 0; }
static inline unsigned long
@@ -619,7 +619,7 @@ static inline void rcu_fwd_progress_check(unsigned long j) { }
static inline void rcu_gp_slow_register(atomic_t *rgssp) { }
static inline void rcu_gp_slow_unregister(atomic_t *rgssp) { }
#else /* #ifdef CONFIG_TINY_RCU */
-bool rcu_dynticks_zero_in_eqs(int cpu, int *vp);
+bool rcu_watching_zero_in_eqs(int cpu, int *vp);
unsigned long rcu_get_gp_seq(void);
unsigned long rcu_exp_batches_completed(void);
unsigned long srcu_batches_completed(struct srcu_struct *sp);
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index ba3440a45b6dd..2484c1a8e051a 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -1613,7 +1613,7 @@ static int trc_inspect_reader(struct task_struct *t, void *bhp_in)
// However, we cannot safely change its state.
n_heavy_reader_attempts++;
// Check for "running" idle tasks on offline CPUs.
- if (!rcu_dynticks_zero_in_eqs(cpu, &t->trc_reader_nesting))
+ if (!rcu_watching_zero_in_eqs(cpu, &t->trc_reader_nesting))
return -EINVAL; // No quiescent state, do it the hard way.
n_heavy_reader_updates++;
nesting = 0;
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 3fd9f0fc4d558..d05bd65fbfdc2 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -333,7 +333,7 @@ static bool rcu_watching_snap_stopped_since(struct rcu_data *rdp, int snap)
* Return true if the referenced integer is zero while the specified
* CPU remains within a single extended quiescent state.
*/
-bool rcu_dynticks_zero_in_eqs(int cpu, int *vp)
+bool rcu_watching_zero_in_eqs(int cpu, int *vp)
{
int snap;
--
2.43.0
next prev parent reply other threads:[~2024-07-24 14:46 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-24 14:43 [PATCH v3 00/25] context_tracking, rcu: Spring cleaning of dynticks references Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 01/25] treewide: context_tracking: Rename CONTEXT_* into CT_STATE_* Valentin Schneider
2024-07-26 17:41 ` Thomas Gleixner
2024-07-24 14:43 ` [PATCH v3 02/25] context_tracking, rcu: Rename RCU_DYNTICKS_IDX into CT_RCU_WATCHING Valentin Schneider
2024-07-26 17:43 ` Thomas Gleixner
2024-07-24 14:43 ` [PATCH v3 03/25] context_tracking, rcu: Rename ct_dynticks() into ct_rcu_watching() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 04/25] context_tracking, rcu: Rename ct_dynticks_cpu() into ct_rcu_watching_cpu() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 05/25] context_tracking, rcu: Rename ct_dynticks_cpu_acquire() into ct_rcu_watching_cpu_acquire() Valentin Schneider
2024-07-24 20:20 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 06/25] context_tracking, rcu: Rename struct context_tracking .dynticks_nesting into .nesting Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 07/25] context_tracking, rcu: Rename ct_dynticks_nesting() into ct_nesting() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 08/25] context_tracking, rcu: Rename ct_dynticks_nesting_cpu() into ct_nesting_cpu() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 09/25] context_tracking, rcu: Rename struct context_tracking .dynticks_nmi_nesting into .nmi_nesting Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 10/25] context_tracking, rcu: Rename ct_dynticks_nmi_nesting() into ct_nmi_nesting() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 11/25] context_tracking, rcu: Rename ct_dynticks_nmi_nesting_cpu() into ct_nmi_nesting_cpu() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 12/25] context_tracking, rcu: Rename DYNTICK_IRQ_NONIDLE into CT_NESTING_IRQ_NONIDLE Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 13/25] context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*() Valentin Schneider
2024-07-25 14:32 ` RCU-Task[-Trace] VS EQS (was Re: [PATCH v3 13/25] context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*()) Frederic Weisbecker
2024-07-30 14:23 ` Paul E. McKenney
2024-07-30 22:17 ` Frederic Weisbecker
2024-07-30 22:39 ` Paul E. McKenney
2024-07-31 12:28 ` Frederic Weisbecker
2024-08-03 4:32 ` Paul E. McKenney
2024-08-05 9:01 ` Peter Zijlstra
2024-08-05 12:18 ` Frederic Weisbecker
2024-08-05 13:26 ` Frederic Weisbecker
2024-08-05 17:04 ` Paul E. McKenney
2024-07-31 16:07 ` [PATCH v3 13/25] context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*() Frederic Weisbecker
2024-08-14 12:06 ` Neeraj Upadhyay
2024-08-15 14:14 ` Frederic Weisbecker
2024-08-16 10:19 ` Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 14/25] context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into rcu_watching_curr_cpu() Valentin Schneider
2024-07-25 12:10 ` Frederic Weisbecker
2024-07-25 14:46 ` Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 15/25] rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online() Valentin Schneider
2024-07-25 12:12 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 16/25] rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_snap_in_eqs() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 17/25] rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_snap_stopped_since() Valentin Schneider
2024-07-25 12:18 ` Frederic Weisbecker
2024-07-24 14:43 ` Valentin Schneider [this message]
2024-07-24 14:43 ` [PATCH v3 19/25] rcu: Rename struct rcu_data .dynticks_snap into .watching_snap Valentin Schneider
2024-07-25 12:21 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 20/25] rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 21/25] rcu: Rename dyntick_save_progress_counter() into rcu_watching_snap_save() Valentin Schneider
2024-07-25 12:24 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 22/25] rcu: Rename rcu_implicit_dynticks_qs() into rcu_implicit_eqs() Valentin Schneider
2024-07-25 12:27 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 23/25] rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs() Valentin Schneider
2024-07-24 14:43 ` [PATCH v3 24/25] rcu: Update stray documentation references to rcu_dynticks_eqs_{enter, exit}() Valentin Schneider
2024-07-25 12:32 ` Frederic Weisbecker
2024-07-24 14:43 ` [PATCH v3 25/25] context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching Valentin Schneider
2024-07-25 12:39 ` Frederic Weisbecker
2024-07-25 14:47 ` Valentin Schneider
2024-07-25 15:22 ` [PATCH v3 00/25] context_tracking, rcu: Spring cleaning of dynticks references Neeraj Upadhyay
2024-07-25 16:07 ` Valentin Schneider
2024-07-25 16:44 ` Paul E. McKenney
2024-07-26 14:43 ` Valentin Schneider
2024-07-29 2:42 ` Neeraj Upadhyay
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