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RE: [Xen-ia64-devel] Time for hybrid virtualization?

To: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Subject: RE: [Xen-ia64-devel] Time for hybrid virtualization?
From: tgingold@xxxxxxx
Date: Wed, 23 Jan 2008 09:45:00 +0100
Cc: Alex Williamson <alex.williamson@xxxxxx>, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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Quoting "Dong, Eddie" <eddie.dong@xxxxxxxxx>:

> Yes, we met this too yesterday, current Xen/IA64 doesn't check supported
> VA address bits # in architecture safe way, it just assume it is 61
> bits.


for a patch.  This one was not fully ok and VA size is statically defined.

> > main issue my patch addresses.  The other issue is VHPT long format.
> Can u repost it? We need to make Xen/IA64 following SDM.
> Yes, LVHPT is another major gap, good catch indeed!
> This is worth to solving, and it should not be a very big effort if we
> don't work guest page table. Luckily, today's Xen/IA64 is implementing
>  virtual TLB rather than shadow page table which makes it simple, right?

Xen vti allows a LVHPT but do as if it doesn't exist.


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