On Thu, Mar 26, 2020 at 03:44:48PM -0400, Joel Fernandes wrote: > It is not really that big a change. Please go over the patch, we are not > changing anything with how ->cpus_allowed works and interacts with the rest > of the system and the scheduler. We have just introduced a new mask to keep > track of which CPUs were requested without them being affected by hotplug. On > CPU onlining, we restore the state of ->cpus_allowed as not be affected by > hotplug. It's not the code. It's the behavior. I'm not flipping the behavior for the existing cgroup1 users underneath them at this point. As-is, it's a hard nack. If you really really really want it, put it behind a mount option. -- tejun
