Re: [PATCH] cgroup: missing rcu read lock around task_css_set

[Tejun Heo]

On Sat, Mar 01, 2014 at 10:00:11PM -0500, Sasha Levin wrote:
> rcu read lock should be held when calling and working with task_css_set.
> 
> This patch also fixes a related lockdep warning.

Hmmm... PF_EXITING should be visible at that point and cset can't
change anymore.  We prolly need to update lockdep annotation rather
than adding spurious rcu locking around it.  Against which branch is
it?  Can you please post the lockdep warning?

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/