Linus,

please pull the latest timers/core branch from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-2025-07-27

up to:  bfa788dc2dda: clocksource: Use cpumask_next_wrap() in clocksource_watchdog()

Updates for the timer core:

 - Simplify the logic in the timer migration code

 - Simplify the clocksource code by utilizing the more modern cpumask+*()
   interfaces

Thanks,

	tglx

------------------>
Petr Tesarik (1):
      timers/migration: Clean up the loop in tmigr_quick_check()

Yury Norov [NVIDIA] (2):
      clocksource: Use cpumask_any_but() in clocksource_verify_choose_cpus()
      clocksource: Use cpumask_next_wrap() in clocksource_watchdog()


 kernel/time/clocksource.c     |  8 ++------
 kernel/time/timer_migration.c | 23 ++++++++++-------------
 2 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 6a8bc7da9062..e400fe150f9d 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -323,9 +323,7 @@ static void clocksource_verify_choose_cpus(void)
 		return;
 
 	/* Make sure to select at least one CPU other than the current CPU. */
-	cpu = cpumask_first(cpu_online_mask);
-	if (cpu == smp_processor_id())
-		cpu = cpumask_next(cpu, cpu_online_mask);
+	cpu = cpumask_any_but(cpu_online_mask, smp_processor_id());
 	if (WARN_ON_ONCE(cpu >= nr_cpu_ids))
 		return;
 	cpumask_set_cpu(cpu, &cpus_chosen);
@@ -589,9 +587,7 @@ static void clocksource_watchdog(struct timer_list *unused)
 	 * Cycle through CPUs to check if the CPUs stay synchronized
 	 * to each other.
 	 */
-	next_cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask);
-	if (next_cpu >= nr_cpu_ids)
-		next_cpu = cpumask_first(cpu_online_mask);
+	next_cpu = cpumask_next_wrap(raw_smp_processor_id(), cpu_online_mask);
 
 	/*
 	 * Arm timer if not already pending: could race with concurrent
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index 2f6330831f08..c0c54dc5314c 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -1405,23 +1405,20 @@ u64 tmigr_quick_check(u64 nextevt)
 		return KTIME_MAX;
 
 	do {
-		if (!tmigr_check_lonely(group)) {
+		if (!tmigr_check_lonely(group))
 			return KTIME_MAX;
-		} else {
-			/*
-			 * Since current CPU is active, events may not be sorted
-			 * from bottom to the top because the CPU's event is ignored
-			 * up to the top and its sibling's events not propagated upwards.
-			 * Thus keep track of the lowest observed expiry.
-			 */
-			nextevt = min_t(u64, nextevt, READ_ONCE(group->next_expiry));
-			if (!group->parent)
-				return nextevt;
-		}
+
+		/*
+		 * Since current CPU is active, events may not be sorted
+		 * from bottom to the top because the CPU's event is ignored
+		 * up to the top and its sibling's events not propagated upwards.
+		 * Thus keep track of the lowest observed expiry.
+		 */
+		nextevt = min_t(u64, nextevt, READ_ONCE(group->next_expiry));
 		group = group->parent;
 	} while (group);
 
-	return KTIME_MAX;
+	return nextevt;
 }
 
 /*

The pull request you sent on Mon, 28 Jul 2025 00:38:02 +0200 (CEST):

> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-2025-07-27

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/d614399b281abf3980cc9b340a5066e9f4020b5d

Thank you!

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