Re: [PATCH 1/3] cgroup: fix locking in cgroupstats_build()
On Fri, Feb 14, 2014 at 04:54:28PM +0800, Li Zefan wrote: > css_set_lock has been converted to css_set_rwsem, and rwsem can't > nested inside rcu_read_lock. > > Signed-off-by: Li Zefan <lizefan@huawei.com>