[PATCH v5 0/5] sched/fair: Fix attach and detach sched avgs for task group change and sched class change

Hi Peter, The attach/detach twice problem is worse than Vincent reported. The attach twice issue can happen not only as Vincent raised when task moves between groups, but also when switching to fair class. In addition, for newly forked task, the detach also has a problem. This patchset attempts

[PATCH v5 0/5] sched/fair: Fix attach and detach sched avgs for task group change and sched class change

Hi Peter, The attach/detach twice problem is worse than Vincent reported. The attach twice issue can happen not only as Vincent raised when task moves between groups, but also when switching to fair class. In addition, for newly forked task, the detach also has a problem. This patchset attempts