On Tue, Mar 12, 2024 at 08:37:11AM +0000, Liuye wrote: > I know that you said schedule_work is not NMI save, which is the first > issue. Perhaps it can be fixed using irq_work_queue. But even if > irq_work_queue is used to implement it, there will still be a deadlock > problem because slave cpu1 still has not released the running queue > lock of master CPU0. This doesn't sound right to me. Why do you think CPU1 won't release the run queue lock? Daniel.
