Tejun Heo b6053d40e3 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>

2017-06-14 16:01:41 -04:00

7.6 KiB

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