Merge tag 'timers-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Ingo Molnar:
 "Fix the update_needs_ipi() check in the hrtimer code that may result
  in incorrect skipping of hrtimer IPIs"

* tag 'timers-urgent-2026-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  hrtimer: Fix softirq base check in update_needs_ipi()

Author: torvalds

kernel/time/hrtimer.c

@@ -913,7 +913,7 @@ static bool update_needs_ipi(struct hrtimer_cpu_base *cpu_base,
 			return true;
 
 		/* Extra check for softirq clock bases */
-		if (base->clockid < HRTIMER_BASE_MONOTONIC_SOFT)
+		if (base->index < HRTIMER_BASE_MONOTONIC_SOFT)
 			continue;
 		if (cpu_base->softirq_activated)
 			continue;