On Tue, Aug 16, 2022 at 03:27:32PM -0400, Waiman Long wrote: > This will be some changes in behavior for arm64 systems with asymmetric > CPUs in some corner cases. For instance, if sched_setaffinity() > has never been called and there is a cpuset change before > relax_compatible_cpus_allowed_ptr() is called, its subsequent call will > follow what the cpuset allows but not what the previous cpu affinity > setting allows. That's arguably a correctness fix, no? That is, the save/restore should not have been allowed to revert to an earlier cpuset state.
