Re: [PATCH] Add I/O hypercalls for i386 paravirt

[Chris Wright]

* James Courtier-Dutton (James@xxxxxxxxxxxxxxxxxxxx) wrote:
> Ok, so I need to get a new CPU like the Intel Core Duo that has VT
> features? I have an old Pentium 4 at the moment, without any VT features.

Depends on your goals.  You can certainly give a paravirt Xen guest[1]
physical hardware without any VT extentions.  But that guest will be
able to DMA anywhere in memory without VT-d, so if it's an untrusted
guest you'd be taking a huge risk.

thanks,
-chris

[1] Note: this is with the xenbits.xensource.com kernel, not with a
kernel you'll get from kernel.org ATM.
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