[PATCH 0/3] sched: Fix remaining balance_push vs hotplug hole

[Peter Zijlstra]

Hi,

While the patches here:

  https://lkml.kernel.org/r/20210121101702.402798862@xxxxxxxxxxxxx

fixed the immediate hotplug regression, there was still a pending issue with
hotplug rollback (which basically never happens).

I had written these patches at the time, but never got around to actually
posting them. So here goes.