From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: memory barrier question
Date: Mon, 20 Sep 2010 13:40:55 -0700
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To: Michael Cree <mcree@orcon.net.nz>
Cc: Miklos Szeredi <miklos@szeredi.hu>, James.Bottomley@HansenPartnership.com, benh@kernel.crashing.org, dhowells@redhat.com, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org

On Tue, Sep 21, 2010 at 08:26:14AM +1200, Michael Cree wrote:
> On 21/09/10 06:25, Paul E. McKenney wrote:
> >But do we really care about Alpha anymore?  (I can see it now... The
> >Alpha portion of the kernel tree moves to staging...)
> 
> I do.
> 
> Sent from my Compaq Alpha XP1000 :-)

In that case, an smp_read_barrier_depends() or rcu_dereference() is
also required...

							Thanx, Paul