commit | b0c7721bbdeb9e882c4fb6454fc6ebba848d2e59 | [log] [tgz] |
---|---|---|
author | Tejun Heo <tj@kernel.org> | Mon Feb 03 14:28:19 2014 -0500 |
committer | Tejun Heo <tj@kernel.org> | Mon Feb 03 14:28:19 2014 -0500 |
tree | 006e4a21f74a16a479e53c1023b00157484c7d68 | |
parent | 86cb24f994a67fec0a665fa284666259d1d0834e [diff] |
cgroup: remove cgroup_root_mutex cgroup_root_mutex was added to avoid deadlock involving namespace_sem via cgroup_show_options(). It added a lot of overhead for the small purpose of it and, because it's nested under cgroup_mutex, it has very limited usefulness. The previous patch made cgroup_show_options() not use cgroup_root_mutex, so nobody needs it anymore. Remove it. Signed-off-by: Tejun Heo <tj@kernel.org>