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Re: [Xen-devel] MTRR support - what's needed

from [Ian Pratt]

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To:	Rik van Riel <riel@xxxxxxxxxx>
Subject:	Re: [Xen-devel] MTRR support - what's needed
From:	Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date:	Tue, 26 Oct 2004 01:29:33 +0100
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
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> I noticed that MTRR support isn't there at all in Xen,
> and that the X server on my Xen test system needs it ;)
> 
> I'm wondering if there are fundamental reasons why MTRR
> support isn't enabled in Xen, and what I could do to
> make it happen.  Any special things that need to be
> kept in mind ?

Have you tried just compiling it in? If it uses the rd/wrmsr
macro it may just work (assuming the domain is privileged).

If it works, we can add it to the default xen0 config.

Thanks,
Ian


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