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SubjectRe: [PATCH v2 0/4] Enable SMEP CPU Feature
On 05/17/2011 10:03 AM, Ingo Molnar wrote:
> * Fenghua Yu<fenghua.yu@intel.com> wrote:
>
> > From: Fenghua Yu<fenghua.yu@intel.com>
> >
> > Intel new CPU supports SMEP (Supervisor Mode Execution Protection). SMEP
> > prevents kernel from executing code in application. Updated Intel SDM describes
> > this CPU feature. The document will be published soon.
> >
> > Note: This patch set doesn't enable the SMEP feature in KVM. If it's needed,
> > another patch will be pushed for enabling the feature in KVM.
>
> We can do it separately from native kernel support, but i'm sure Avi would
> agree that SMEP support in KVM would be nice!

Definitely.

> (as long as it's configurable as
> well, there might be guest OSs that break if SMEP is enabled, right?)

As mentioned earlier, the simple thing is to expose smep and let the
guest enable it itself.

--
error compiling committee.c: too many arguments to function



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