Re: [PATCH 09/15] tick: Move broadcast cancellation up to CPUHP_AP_TICK_DYING

From: Thomas Gleixner
Date: Thu Jan 25 2024 - 04:39:56 EST


On Wed, Jan 24 2024 at 18:04, Frederic Weisbecker wrote:
> The broadcast shutdown code is executed through a random explicit call
> within stop machine from the outgoing CPU.
>
> However The tick broadcast is a midware between the tick callback and

s/The/the/

> the clocksource, therefore it makes more sense to shut it down after the
> tick callback and before the clocksource drivers.
>
> Move it instead to the common tick shutdown CPU hotplug state where
> related operations can be ordered from highest to lowest level.
>
> Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>