Re: [kvm-devel] [PATCH 3/8] SVM: add module parameter to disable NestedPaging

Joerg Roedel
2008-01-26T07:26:13Z

On Fri, Jan 25, 2008 at 05:47:11PM -0800, Nakajima, Jun wrote:
> Joerg Roedel wrote:
> > To disable the use of the Nested Paging feature even if it is
> available in
> > hardware this patch adds a module parameter. Nested Paging can be
> disabled by
> > passing npt=off to the kvm_amd module.
>
> I think it's better to use a (common) parameter to qemu. That way you
> can control on/off for each VM.

Generally I see no problem with it. But at least for NPT I don't see a
reason why someone should want to disable it on a VM basis (as far as it
works stable). Avi, what do you think?

Joerg