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SubjectRe: [PATCHSET cgroup/for-3.8] cpuset: decouple cpuset locking from cgroup core
Hey, Li.

On Wed, Dec 26, 2012 at 06:51:02PM +0800, Li Zefan wrote:
> I created a cpuset which has cpuset.cpus=1, and I forked a few cpu-hog tasks
> and moved them to this cpuset, and the final operations was offlining cpu1.
> It stucked.

This was caused by not rebuilding sched domains synchronously from cpu
offline path. I looks like scheduler got confused and put tasks on
the dead cpu. Should be okay in the updated patchset. Can you please
test / review that one?



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