[Bug 1392176] Re: mounts cgroups unconditionally which causes undesired effects with cpu hotplug

[Serge Hallyn]

Hope had been that the kernel's new support for cpuset.effective_cpus
would fix this.  Removing a cpu from a parent cgroup or offlining a cpu
would remove it from effective_cpus, but not from cpuset.cpus.
Apparently that's not the case (kernel 3.19.0-10-generic was used for
the test in comment #27)

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

** Changed in: cgmanager (Ubuntu)
       Status: Fix Released => Confirmed

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https://bugs.launchpad.net/bugs/1392176

Title:
  mounts cgroups unconditionally which causes undesired effects with cpu
  hotplug

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