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authorYury Norov [NVIDIA] <yury.norov@gmail.com>2025-06-14 11:50:30 -0400
committerThomas Gleixner <tglx@linutronix.de>2025-06-14 20:09:44 +0200
commitbfa788dc2ddaea7d7930f63a5c7c8f3668a3f2c5 (patch)
tree26d9a5fe973065a41358b403c91ad72a9d51aaeb
parent4fa7d61d5a02ad57a05c69365db293afddf678fc (diff)
clocksource: Use cpumask_next_wrap() in clocksource_watchdog()
cpumask_next_wrap() is more verbose and efficient comparing to cpumask_next() followed by cpumask_first(). Signed-off-by: Yury Norov [NVIDIA] <yury.norov@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: John Stultz <jstultz@google.com> Link: https://lore.kernel.org/all/20250614155031.340988-3-yury.norov@gmail.com
-rw-r--r--kernel/time/clocksource.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index a2f2e9f4d37b..e400fe150f9d 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -587,9 +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