Re: [PATCH cgroup/for-3.11] cgroup: fix cgroupfs_root early destruction path

2013-06-26 Thread Li Zefan
On 2013/6/26 9:04, Tejun Heo wrote: > cgroupfs_root used to have ->actual_subsys_mask in addition to > ->subsys_mask. a8a648c4ac ("cgroup: remove > cgroup->actual_subsys_mask") removed it noting that the subsys_mask is > essentially temporary and doesn't belong in cgroupfs_root; however, > the pat

[PATCH cgroup/for-3.11] cgroup: fix cgroupfs_root early destruction path

2013-06-25 Thread Tejun Heo
cgroupfs_root used to have ->actual_subsys_mask in addition to ->subsys_mask. a8a648c4ac ("cgroup: remove cgroup->actual_subsys_mask") removed it noting that the subsys_mask is essentially temporary and doesn't belong in cgroupfs_root; however, the patch made it impossible to tell whether a cgroup