treewide, timers: Rename try_to_del_timer_sync() as timer_delete_sync_try()

Move this API to the canonical timer_*() namespace.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250507175338.672442-9-mingo@kernel.org

Author: Ingo Molnar

arch/x86/kernel/apic/vector.c

@@ -864,7 +864,7 @@ void lapic_offline(void)
 	__vector_cleanup(cl, false);
 
 	irq_matrix_offline(vector_matrix);
-	WARN_ON_ONCE(try_to_del_timer_sync(&cl->timer) < 0);
+	WARN_ON_ONCE(timer_delete_sync_try(&cl->timer) < 0);
 	WARN_ON_ONCE(!hlist_empty(&cl->head));
 
 	unlock_vector_lock();

drivers/char/random.c

@@ -1311,9 +1311,9 @@ static void __cold try_to_generate_entropy(void)
 	while (!crng_ready() && !signal_pending(current)) {
 		/*
 		 * Check !timer_pending() and then ensure that any previous callback has finished
-		 * executing by checking try_to_del_timer_sync(), before queueing the next one.
+		 * executing by checking timer_delete_sync_try(), before queueing the next one.
 		 */
-		if (!timer_pending(&stack->timer) && try_to_del_timer_sync(&stack->timer) >= 0) {
+		if (!timer_pending(&stack->timer) && timer_delete_sync_try(&stack->timer) >= 0) {
 			struct cpumask timer_cpus;
 			unsigned int num_cpus;
 

drivers/irqchip/irq-riscv-imsic-state.c

@@ -564,7 +564,7 @@ void imsic_state_offline(void)
 	struct imsic_local_priv *lpriv = this_cpu_ptr(imsic->lpriv);
 
 	raw_spin_lock_irqsave(&lpriv->lock, flags);
-	WARN_ON_ONCE(try_to_del_timer_sync(&lpriv->timer) < 0);
+	WARN_ON_ONCE(timer_delete_sync_try(&lpriv->timer) < 0);
 	raw_spin_unlock_irqrestore(&lpriv->lock, flags);
 #endif
 }

include/linux/timer.h

@@ -162,7 +162,7 @@ extern void add_timer(struct timer_list *timer);
 extern void add_timer_local(struct timer_list *timer);
 extern void add_timer_global(struct timer_list *timer);
 
-extern int try_to_del_timer_sync(struct timer_list *timer);
+extern int timer_delete_sync_try(struct timer_list *timer);
 extern int timer_delete_sync(struct timer_list *timer);
 extern int timer_delete(struct timer_list *timer);
 extern int timer_shutdown_sync(struct timer_list *timer);

kernel/time/timer.c

@@ -1511,7 +1511,7 @@ static int __try_to_del_timer_sync(struct timer_list *timer, bool shutdown)
 }
 
 /**
- * try_to_del_timer_sync - Try to deactivate a timer
+ * timer_delete_sync_try - Try to deactivate a timer
  * @timer:	Timer to deactivate
  *
  * This function tries to deactivate a timer. On success the timer is not
@@ -1526,11 +1526,11 @@ static int __try_to_del_timer_sync(struct timer_list *timer, bool shutdown)
  * * %1  - The timer was pending and deactivated
  * * %-1 - The timer callback function is running on a different CPU
  */
-int try_to_del_timer_sync(struct timer_list *timer)
+int timer_delete_sync_try(struct timer_list *timer)
 {
 	return __try_to_del_timer_sync(timer, false);
 }
-EXPORT_SYMBOL(try_to_del_timer_sync);
+EXPORT_SYMBOL(timer_delete_sync_try);
 
 #ifdef CONFIG_PREEMPT_RT
 static __init void timer_base_init_expiry_lock(struct timer_base *base)

net/bridge/br_multicast.c

@@ -2061,7 +2061,7 @@ static void br_multicast_enable(struct bridge_mcast_own_query *query)
 {
 	query->startup_sent = 0;
 
-	if (try_to_del_timer_sync(&query->timer) >= 0 ||
+	if (timer_delete_sync_try(&query->timer) >= 0 ||
 	    timer_delete(&query->timer))
 		mod_timer(&query->timer, jiffies);
 }
@@ -3480,15 +3480,15 @@ static void br_ip4_multicast_query(struct net_bridge_mcast *brmctx,
 	if (mp->host_joined &&
 	    (timer_pending(&mp->timer) ?
 	     time_after(mp->timer.expires, now + max_delay) :
-	     try_to_del_timer_sync(&mp->timer) >= 0))
+	     timer_delete_sync_try(&mp->timer) >= 0))
 		mod_timer(&mp->timer, now + max_delay);
 
 	for (pp = &mp->ports;
 	     (p = mlock_dereference(*pp, brmctx->br)) != NULL;
 	     pp = &p->next) {
 		if (timer_pending(&p->timer) ?
 		    time_after(p->timer.expires, now + max_delay) :
-		    try_to_del_timer_sync(&p->timer) >= 0 &&
+		    timer_delete_sync_try(&p->timer) >= 0 &&
 		    (brmctx->multicast_igmp_version == 2 ||
 		     p->filter_mode == MCAST_EXCLUDE))
 			mod_timer(&p->timer, now + max_delay);
@@ -3569,15 +3569,15 @@ static int br_ip6_multicast_query(struct net_bridge_mcast *brmctx,
 	if (mp->host_joined &&
 	    (timer_pending(&mp->timer) ?
 	     time_after(mp->timer.expires, now + max_delay) :
-	     try_to_del_timer_sync(&mp->timer) >= 0))
+	     timer_delete_sync_try(&mp->timer) >= 0))
 		mod_timer(&mp->timer, now + max_delay);
 
 	for (pp = &mp->ports;
 	     (p = mlock_dereference(*pp, brmctx->br)) != NULL;
 	     pp = &p->next) {
 		if (timer_pending(&p->timer) ?
 		    time_after(p->timer.expires, now + max_delay) :
-		    try_to_del_timer_sync(&p->timer) >= 0 &&
+		    timer_delete_sync_try(&p->timer) >= 0 &&
 		    (brmctx->multicast_mld_version == 1 ||
 		     p->filter_mode == MCAST_EXCLUDE))
 			mod_timer(&p->timer, now + max_delay);
@@ -3649,7 +3649,7 @@ br_multicast_leave_group(struct net_bridge_mcast *brmctx,
 			if (!hlist_unhashed(&p->mglist) &&
 			    (timer_pending(&p->timer) ?
 			     time_after(p->timer.expires, time) :
-			     try_to_del_timer_sync(&p->timer) >= 0)) {
+			     timer_delete_sync_try(&p->timer) >= 0)) {
 				mod_timer(&p->timer, time);
 			}
 
@@ -3665,7 +3665,7 @@ br_multicast_leave_group(struct net_bridge_mcast *brmctx,
 		if (mp->host_joined &&
 		    (timer_pending(&mp->timer) ?
 		     time_after(mp->timer.expires, time) :
-		     try_to_del_timer_sync(&mp->timer) >= 0)) {
+		     timer_delete_sync_try(&mp->timer) >= 0)) {
 			mod_timer(&mp->timer, time);
 		}
 
@@ -3681,7 +3681,7 @@ br_multicast_leave_group(struct net_bridge_mcast *brmctx,
 		if (!hlist_unhashed(&p->mglist) &&
 		    (timer_pending(&p->timer) ?
 		     time_after(p->timer.expires, time) :
-		     try_to_del_timer_sync(&p->timer) >= 0)) {
+		     timer_delete_sync_try(&p->timer) >= 0)) {
 			mod_timer(&p->timer, time);
 		}
 

sound/pci/ctxfi/cttimer.c

@@ -119,7 +119,7 @@ static void ct_systimer_stop(struct ct_timer_instance *ti)
 static void ct_systimer_prepare(struct ct_timer_instance *ti)
 {
 	ct_systimer_stop(ti);
-	try_to_del_timer_sync(&ti->timer);
+	timer_delete_sync_try(&ti->timer);
 }
 
 #define ct_systimer_free	ct_systimer_prepare