linux-kernel - Re: [RFC] dynticks: dynticks_idle is only modified locally use this

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Message-ID: <alpine.DEB.2.11.1409081317050.29829@gentwo.org>
Date:	Mon, 8 Sep 2014 13:20:30 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
cc:	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] dynticks: dynticks_idle is only modified locally use
 this_cpu ops


On Thu, 4 Sep 2014, Paul E. McKenney wrote:

> The lglocks use should be of particular interest to you.  See above to
> find the others.

Well the other seem to be in drivers.

> Understood, but no hasty changes to that part of RCU.

At our age I think we have learned to be very deliberate and slow.

> rcu: Use DEFINE_PER_CPU_SHARED_ALIGNED for rcu_data

Reviewed-by: Christoph Lameter <cl@...ux.com>
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