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Re: [Xen-devel] Memory barrier definitions in xenctrl.h for ia64?

To: "Daniel P. Berrange" <berrange@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Memory barrier definitions in xenctrl.h for ia64?
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Mon, 18 Sep 2006 20:12:00 +0100
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On 18/9/06 7:07 pm, "Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:

> The userspace tools blktap, xenfb & xconsoled are all using these macros in
> various places so if ia64 does indeed need memory barriers it looks like
> there is some nasty bug potential here

It definitely needs barriers. They should be grabbed from Linux definitions
in asm-ia64/system.h.

 -- Keir

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