Re: [patch 00/18] SMP: Boot and CPU hotplug refactoring - Part 1

[Peter Zijlstra]

On Fri, 2012-04-20 at 08:42 -0700, Tejun Heo wrote:
> I'm still leaning towards restricting kthreadd and any PF_THREAD_BOUND
> threads in the root cgroup.  

I'd definitely agree with restricting those. 

> I'm not sure about !BOUND kthreads tho.
> It doesn't make sense for the most part but there are cases
> (e.g. crypto kthreads) which might make some sense.
> 
Agreed as well. There are a few nasty corner cases with unbound
workqueues vs allowing cgroups (as how to place new worker threads
correctly etc..). Sorting that is a 'fun' next problem.

Could we merge the kthreadd/PF_THREAD_BOUND restriction? You've got my
ACK and I'm fairly sure tglx will ACK it as well.

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