Re: [tip:sched/urgent] sched/cgroup: Fix/cleanup cgroup teardown/init

From: Peter Zijlstra
Date: Thu Apr 28 2016 - 17:36:24 EST


On Thu, Apr 28, 2016 at 11:51:37AM -0700, Greg Kroah-Hartman wrote:
> On Thu, Apr 28, 2016 at 08:40:32PM +0200, Peter Zijlstra wrote:
> >
> > Greg,
> >
> > It looks like the below patch missed 4.5 and I'm starting to get bug
> > reports that look very much like this issue, could we get this patch
> > lifted into 4.5-stable?
>
> Sure, also added to 4.4-stable as that is where the bug for this was
> fixed, according to the commit message.

I think this patch relies on the following two cgroup patches:

8bb5ef79bc0f ("cgroup: make sure a parent css isn't freed before its children")
aa226ff4a1ce ("cgroup: make sure a parent css isn't offlined before its children")

which are in 4.5, but I've not checked 4.4-stable