[PATCHSET cgroup/for-3.8] cgroup_freezer: allow migration regardless of freezer state and update locking

[Tejun Heo]

Hello, Oleg.

On Sun, Oct 21, 2012 at 09:18:53PM +0200, Oleg Nesterov wrote:
> > I'm waiting for Oleg to poke some holes in the synchronization
> > department but if that doesn't happen you can pull from the above
> > branch.  I'll pull it into cgroup/for-3.8 too.
> 
> Just in case, I see nothing bad ;)
> 
> But let me repeat I never understood this code in details, and I
> already forget everything.

Heh, if you can't spot something wrong in the freezer state memory
barrier dancing, I'm happy. :)

Thanks a lot for taking a look.

--
tejun