On Thu, Jan 28 2021 at 13:59, Marcelo Tosatti wrote: >> The whole pile wants to be reverted. It's simply broken in several ways. > > I was asking for your comments on interaction with CPU hotplug :-) Which I answered in an seperate mail :) > So housekeeping_cpumask has multiple meanings. In this case: ... > So as long as the meaning of the flags are respected, seems > alright. Yes. Stuff like the managed interrupts preference for housekeeping CPUs when a affinity mask spawns housekeeping and isolated is perfectly fine. It's well thought out and has no limitations. > Nitesh, is there anything preventing this from being fixed > in userspace ? (as Thomas suggested previously). Everything with is not managed can be steered by user space. Thanks, tglx