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Re: [Xen-devel] netfront pv driver building

To: Jan Beulich <jbeulich@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] netfront pv driver building
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Wed, 24 Jan 2007 14:32:17 +0000
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On 24/1/07 14:23, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Yes, I think this is dangerous, and I would rather want to see it reverted,
> or as a minimum, as you say, converted to ~PAGE_NX (although I dislike
> the lost bit of security here).
> Especially because, as I said, at present the symbol is needed only for
> dead code (so you don't really test whether the change would actually
> work the way you want it to), and if at some point it makes it into active
> code, we may end up with ugly issues.

Setting it to zero would make it very obvious if any usage became live, then
we could think harder about this at that time.

 -- Keir


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