Date: Wed, 12 Jul 2017 19:46:42 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
        Christoph Lameter <cl@linux.com>,
        "Li, Aubrey" <aubrey.li@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>, Aubrey Li <aubrey.li@intel.com>,
        tglx@linutronix.de, len.brown@intel.com, rjw@rjwysocki.net,
        tim.c.chen@linux.intel.com, arjan@linux.intel.com,
        yang.zhang.wz@gmail.com, x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods
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On Wed, Jul 12, 2017 at 08:56:51AM -0700, Paul E. McKenney wrote:
> Very good, I have queued the patch below.  I left out the removal of
> the export as I need to work out why the export was there.  If it turns
> out not to be needed, I will remove the related ones as well.

'git grep rcu_idle_enter' shows no callers other than
kernel/sched/idle.c. Which seems a clear indication its not needed.

You also have to ask yourself, do I want joe module author to ever call
this. To which I suspect the answer is: hell no ;-)