Messages in this thread | | | Date | Fri, 03 Sep 2010 09:55:39 -0700 (PDT) | Subject | Re: [PATCH v2] cls_cgroup: Fix rcu lockdep warning | From | David Miller <> |
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From: Li Zefan <lizf@cn.fujitsu.com> Date: Fri, 03 Sep 2010 09:42:43 +0800
> Dave reported an rcu lockdep warning on 2.6.35.4 kernel > > task->cgroups and task->cgroups->subsys[i] are protected by RCU. > So we avoid accessing invalid pointers here. This might happen, > for example, when you are deref-ing those pointers while someone > move @task from one cgroup to another. > > Reported-by: Dave Jones <davej@redhat.com> > Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Applied, thanks.
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