On Wed, Jun 04, 2014 at 04:48:15PM +0800, Li Zefan wrote: > The default root is allocated and initialized at boot phase, so we > shouldn't destroy the default root when it's umounted, otherwise > it will lead to disaster. > > Just try mount and then umount the default root, and the kernel will > crash immediately. > > v2: > - No need to check for CSS_NO_REF in cgroup_get/put(). (Tejun) > - Better call cgroup_put() for the default root in kill_sb(). (Tejun) > - Add a comment. > > Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx> Applied to cgroup/for-3.16. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
