Re: [PATCH] hrtimer: select housekeeping CPU during migration

[Frederic Weisbecker]

Le Sun, Feb 11, 2024 at 03:52:13PM +0200, Costa Shulyupin a écrit :
> because during CPU deactivation a timer can migrate
> to isolated CPU and break CPU isolation.
> 
> For reference see function get_nohz_timer_target,
> which selects CPU for new timers from housekeeping_cpumask(HK_TYPE_TIMER)
> 
> Inspired by Waiman Long <longman@xxxxxxxxxx>
> 
> Signed-off-by: Costa Shulyupin <costa.shul@xxxxxxxxxx>

Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>