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| author | Tejun Heo <tj@kernel.org> | 2017-06-14 22:01:41 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-06-14 22:01:41 +0200 |
| commit | b6053d40e3387c916d56d319ba6bfdb2c42a67c7 (patch) | |
| tree | 5f45453c0f4675950f56ee4ef1fdb16057eb6552 /Documentation/cgroup-v2.txt | |
| parent | cgroup: refactor cgroup_masks_read() in the debug controller (diff) | |
| download | linux-b6053d40e3387c916d56d319ba6bfdb2c42a67c7.tar.xz linux-b6053d40e3387c916d56d319ba6bfdb2c42a67c7.zip | |
cgroup: fix lockdep warning in debug controller
The debug controller grabs cgroup_mutex from interface file show
functions which can deadlock and triggers lockdep warnings. Fix it by
using cgroup_kn_lock_live()/cgroup_kn_unlock() instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Diffstat (limited to 'Documentation/cgroup-v2.txt')
0 files changed, 0 insertions, 0 deletions