Re: Question about DEC Alpha memory ordering

From: Will Deacon
Date: Mon Feb 13 2017 - 14:08:43 EST


On Mon, Feb 13, 2017 at 01:53:27PM -0500, bob smith wrote:
> On 2/13/17 1:39 PM, Paul E. McKenney wrote:
> > can real DEC Alpha hardware end up with both instances of "r1"
> > having the value 1?
>
> I thought this question reminded me of something, so I found this:
> > https://www.kernel.org/doc/Documentation/memory-barriers.txt
>
> and I pasted in the content - David Howells is one of the authors and
> maybe that is why the question sort of reminded me.
>
> Maybe someone has an update but this is what was said then.
>
> ============================
> LINUX KERNEL MEMORY BARRIERS
> ============================
>
> By: David Howells <dhowells@xxxxxxxxxx>
> Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
^^^^^^^^^^^^^^^^

There's only one Paul E. McKenney.

Will
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