Re: [BUG] cgroup/workques/fork: deadlock when moving cgroups

[Michal Hocko]

On Wed 13-04-16 21:48:20, Michal Hocko wrote:
[...]
> I was thinking about something like flush_per_cpu_work() which would
> assert on group_threadgroup_rwsem held for write.

I have thought about this some more and I guess this is not limitted to
per cpu workers. Basically any flush_work with group_threadgroup_rwsem
held for write is dangerous, right?
-- 
Michal Hocko
SUSE Labs