Re: [PATCH 3/4] PM / OPP: take RCU lock in dev_pm_opp_get_opp_count

[Viresh Kumar]

On 18 December 2014 at 05:17, Paul E. McKenney
<paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> Yep, they can be nested.  Both rcu_read_lock() and rcu_read_unlock()
> are quite fast, as are their friends, so there is almost no performance
> penalty from nesting.  So the decision normally turns on maintainability
> and style.

Thanks again for your kind advice :)
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