Re: [PATCH 3/9] [RFC] Add a back-pointer from struct cg_cgroup_link to struct cgroup

[Paul Menage]

On Fri, Jul 3, 2009 at 12:07 AM, Li Zefan<lizf@xxxxxxxxxxxxxx> wrote:
>
>> +     write_lock_irq(&css_set_lock);
>
> can be read_lock(&css_set_lock);

I simplified the whole thing by removing the task_lock(current) and
expanding the RCU section to cover the point where we read
current->cgroups too.

Paul
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