Messages in this thread | | | Date | Thu, 18 Dec 2014 07:41:14 +0530 | Subject | Re: [PATCH 3/4] PM / OPP: take RCU lock in dev_pm_opp_get_opp_count | From | Viresh Kumar <> |
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On 18 December 2014 at 05:17, Paul E. McKenney <paulmck@linux.vnet.ibm.com> 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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