On Mon, Apr 20 2026 at 23:03, Waiman Long wrote: > As HK_TYPE_TIMER cpumask is going to be changeable at run time, use
As the ... > RCU to protect access to the cpumask. > > The access of HK_TYPE_TIMER cpumask within hrtimers_cpu_dying() is > protected as interrupt is disabled and all the other CPUs are stopped interrupts are disabled > when this function is invoked as part of the CPU tear down process.
