Re: [PATCH 1/3] cpuset: clean up cpuset hierarchy traversal code

[Li Zefan]

Paul Jackson wrote:
> pj wrote:
>> Can you figure out if we are holding any system wide lock, such as
>> cgroup_mutex, at this point?
> 
> Nevermind ... this is in rebuild_sched_domains(), which must be
> called with cgroup_mutex held.  So we danged well better be holding
> a system wide lock.
> 

Yes, and even after Max's patch, the code playing with ->stack_list is
still protected by cgroup_mutex. :)

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