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author | Tejun Heo <tj@kernel.org> | 2014-02-08 10:37:01 -0500 |
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committer | Tejun Heo <tj@kernel.org> | 2014-02-08 10:37:01 -0500 |
commit | 3417ae1f5f59bbf36c3defbbf2a76c5ca498db2a (patch) | |
tree | d5b03fc5ec2b71b4fde60ca6337ad45e1fd0ab45 /drivers/acpi/osl.c | |
parent | 69e943b7d3c2dcca1087e03e556ac6cb0d4433b4 (diff) | |
download | op-kernel-dev-3417ae1f5f59bbf36c3defbbf2a76c5ca498db2a.zip op-kernel-dev-3417ae1f5f59bbf36c3defbbf2a76c5ca498db2a.tar.gz |
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>
Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'drivers/acpi/osl.c')
0 files changed, 0 insertions, 0 deletions