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    SubjectRe: [RFC][PATCH] avoid cpu hot remove of cpus which have special RT tasks.

    > When cpu hot remove happens, tasks on the target cpu will be migrated even if
    > no available cpus in tsk->cpus_allowed. (See: move_task_off_dead_cpu().)
    > Usually, it looks ok (I think not good but may be ok.) But forced migration
    > should be avoided if there is RT task which is designed to run only on
    > specified cpu.

    That would break software suspend, sorry.

    64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

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