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Fix the update_needs_ipi() check in the hrtimer code that 

may result in incorrect skipping of hrtimer IPIs.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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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()
pull/1258/merge
Linus Torvalds 2026-01-18 10:56:32 -08:00
parent 837c8180e3 05dc4a9fc8
commit b671c1dad2
1 changed files with 1 additions and 1 deletions
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2
kernel/time/hrtimer.c
View File

@ -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;