On Tuesday 24 Nov 2020 at 15:50:36 (+0000), Will Deacon wrote: > Reject explicit requests to change the affinity mask of a task via > set_cpus_allowed_ptr() if the requested mask is not a subset of the > mask returned by arch_task_cpu_possible_mask(). This ensures that the > 'cpus_mask' for a given task cannot contain CPUs which are incapable of > executing it, except in cases where the affinity is forced. I guess mentioning here (or as a comment) the 'funny' behaviour we get with cpusets wouldn't hurt. But this is a sensible patch nonetheless so: Reviewed-by: Quentin Perret <qperret@xxxxxxxxxx> Thanks, Quentin
