Messages in this thread | | | Date | Tue, 17 May 2011 09:05:27 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH v2 0/4] Enable SMEP CPU Feature |
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* H. Peter Anvin <hpa@zytor.com> wrote:
> On 05/16/2011 02:34 PM, Fenghua Yu wrote: > > > > 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. > > > > Hi Avi, > > Could you comment on if this needs to be a gating factor?
I think KVM would benefit from the native kernel playing guinea pig whether SMEP is really, truly 100% trouble-free to enable by default (for Linux) ;-)
Some programmable configurability seems necessary on the KVM side, as KVM has no control over how sane the guest kernel is.
Thanks,
Ingo
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