Re: [PATCH v10 15/20] timers: Check if timers base is handled already

Frederic Weisbecker
2024-01-24T14:22:46Z

Le Mon, Jan 15, 2024 at 03:37:38PM +0100, Anna-Maria Behnsen a écrit :
> Due to the conversion of the NOHZ timer placement to a pull at expiry
> time model, the per CPU timer bases with non pinned timers are no
> longer handled only by the local CPU. In case a remote CPU already
> expires the non pinned timers base of the local CPU, nothing more
> needs to be done by the local CPU. A check at the begin of the expire
> timers routine is required, because timer base lock is dropped before
> executing the timer callback function.
>
> This is a preparatory work, but has no functional impact right now.
>
> Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>

Reviewed-by: Frederic Weisbecker <frederic@kernel.org>