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Date: Wed, 11 Oct 2017 19:11:37 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>, Will Deacon <will.deacon@arm.com>,
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        linux-arch@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
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Subject: Re: [PATCH RFC tip/core/rcu 12/15] lib/assoc_array: Remove
 smp_read_barrier_depends()
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On Wed, Oct 11, 2017 at 10:06:31AM -0700, Paul E. McKenney wrote:

> This, you mean?
> 
> data = rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data));

Yep, that one. Although in my tree it now appears to look like:

        data = rcu_dereference_sched(*per_cpu_ptr(&cpufreq_update_util_data,
                                                  cpu_of(rq)));