diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2024-10-01 10:42:09 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-10-29 11:43:19 +0100 |
| commit | 1550dde8a537b35dbf066c7f9cfe5f9b360bce0d (patch) | |
| tree | b4c2b18f660d1024e1afa06d5229257732815930 /kernel/time/alarmtimer.c | |
| parent | cd1e93aedab7f749760a33e9e094381973b1120e (diff) | |
posix-timers: Add proper state tracking
Right now the state tracking is done by two struct members:
- it_active:
A boolean which tracks armed/disarmed state
- it_signal_seq:
A sequence counter which is used to invalidate settings
and prevent rearming
Replace it_active with it_status and keep properly track about the states
in one place.
This allows to reuse it_signal_seq to track reprogramming, disarm and
delete operations in order to drop signals which are related to the state
previous of those operations.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20241001083835.670337048@linutronix.de
Diffstat (limited to 'kernel/time/alarmtimer.c')
| -rw-r--r-- | kernel/time/alarmtimer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 75f844385070..452d8aa2f6e0 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -585,7 +585,7 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, */ ptr->it_overrun += __alarm_forward_now(alarm, ptr->it_interval, true); ++ptr->it_signal_seq; - ptr->it_active = 1; + ptr->it_status = POSIX_TIMER_ARMED; result = ALARMTIMER_RESTART; } spin_unlock_irqrestore(&ptr->it_lock, flags); |