On 2025-03-28 17:08:38 [-0700], Luis Chamberlain wrote: … > > Are there some preemption configs under which cond_resched() won't > > trigger a kernel splat where expected so the only thing I can think of > > is perhaps some preempt configs don't implicate a sleep? If true, > > instead of adding might_sleep() to one piece of code (in this case > > foio_mc_copy()) I wonder if instead just adding it to cond_resched() may > > be useful. > > I think the answer to the above is "no". I would say so. You need CONFIG_DEBUG_ATOMIC_SLEEP for the might-sleep magic to work. And then the splat from might_sleep() isn't different than the one from cond_resched(). > > Luis Sebastian
