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Merge tag 'pm-6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

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Pull power management fix from Rafael Wysocki:
 "Fix the suspend-to-idle core code to guarantee that timers queued on
  CPUs other than the one that has first left the idle state, which
  should expire directly after resume, will be handled (Anna-Maria
  Behnsen)"

* tag 'pm-6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: s2idle: Make sure CPUs will wakeup directly on resume
This commit is contained in:
Linus Torvalds
2024-04-11 12:00:25 -07:00
parent 2ae9a8972c 3c89a068bf
commit 136eb5fd6a
1 changed files with 6 additions and 0 deletions
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6
kernel/power/suspend.c
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@@ -106,6 +106,12 @@ static void s2idle_enter(void)
swait_event_exclusive(s2idle_wait_head,
s2idle_state == S2IDLE_STATE_WAKE);
/*
* Kick all CPUs to ensure that they resume their timers and restore
* consistent system state.
*/
wake_up_all_idle_cpus();
cpus_read_unlock();
raw_spin_lock_irq(&s2idle_lock);