[Xen-users] Re: Virtualization + CPU w/crypto acceleration instructions

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Molle Bestefich wrote:
> In a virtualized environment running Xen or VMware, can the guest
> operating systems utilize hardware crypto acceleration such as the
> "PadLock" AES acceleration built into VIA CPUs?
>   

If they're unprivileged instructions, then they should just work.  If
its done via MSRs or some other ring0 mechanism, it might be more tricky.

    J

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